CN114608740B - Oil pressure seat with pressure gauge protection function for oil field - Google Patents
Oil pressure seat with pressure gauge protection function for oil field Download PDFInfo
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- CN114608740B CN114608740B CN202210227600.6A CN202210227600A CN114608740B CN 114608740 B CN114608740 B CN 114608740B CN 202210227600 A CN202210227600 A CN 202210227600A CN 114608740 B CN114608740 B CN 114608740B
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 42
- 239000003208 petroleum Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 79
- 239000007788 liquid Substances 0.000 claims description 13
- 239000013013 elastic material Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 196
- 230000001788 irregular Effects 0.000 description 12
- 239000010779 crude oil Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0609—Pressure pulsation damping arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of oil field pipeline measurement, in particular to an oil pressure seat with a pressure gauge protection function for an oil field. The oil pressure meter is vibrated to damage electric elements in the oil pressure meter, and when the oil pressure meter is replaced, residual pressure and the like can be stored in the oil pressure seat. An oil pressure seat with a pressure gauge protection function for an oil field comprises a lower sleeve, an elastic sleeve, a pressure stabilizing component, a pressure reducing mechanism, a pressure releasing mechanism and the like; the lower sleeve is fixedly connected to the petroleum pipeline through a flange, an elastic sleeve is slidably arranged on the upper portion of the lower sleeve, a voltage stabilizing component and a voltage reducing mechanism are arranged in the lower sleeve, the voltage reducing mechanism is located on the upper portion of the lower sleeve, and the voltage reducing mechanism is located on the right portion of the lower sleeve. According to the invention, the protection of electrical elements in the oil pressure meter is realized through the elastic sleeve, when the oil pressure fluctuation occurs in the oil pipe, the pressure in the oil pressure seat is reduced while the oil pressure seat is plugged through the cooperation of the pressure stabilizing component and the pressure reducing mechanism, and the effect of eliminating the residual pressure in the oil pressure seat is realized through the pressure releasing mechanism.
Description
Technical Field
The invention relates to the field of oil field pipeline measurement, in particular to an oil pressure seat with a pressure gauge protection function for an oil field.
Background
Petroleum is widely used as fuel for airplanes, tanks, rockets and other spacecrafts as an important energy source, and is transported through a petroleum pipeline in the petroleum exploitation process, and an oil pressure gauge is required to be installed to detect the oil pressure in the petroleum pipeline in the petroleum transportation process and is fixed on the petroleum pipeline through an oil pressure seat.
The current oil pressure seat does not have shockproof function, in the pressure measuring process of the oil pressure gauge, because the oil pressure fluctuation occurs in the oil pipeline, the oil pipeline can be caused to vibrate, the oil pipeline can drive the oil pressure gauge to vibrate, an electrical element in the oil pressure gauge is a sensitive element, the vibration can influence the measurement of the oil pressure by the electrical element in the oil pressure gauge, thereby the measurement data of the oil pressure gauge is error, the current oil pressure seat does not have a pressure stabilizing function, the oil pressure fluctuation can enable the oil pressure in the oil pressure seat to rise rapidly, damage is caused to the oil pressure gauge, the measured oil pressure data of the oil pressure gauge is abnormal, the service life of the oil pressure gauge is reduced, and when the oil pressure gauge is replaced, residual pressure exists in the oil pressure seat, if the residual pressure cannot be eliminated, the oil pressure gauge is difficult to detach, and after the oil pressure gauge is installed, the oil pressure gauge and the oil pressure seat are not sealed any more, so that the sealing effect between the oil pressure gauge and the oil pressure seat is poor.
Aiming at the technical problems, we provide an oil pressure seat with a pressure gauge protection function for an oil field.
Disclosure of Invention
In order to overcome the defects that after oil pressure fluctuation occurs in a petroleum pipeline, an oil pressure meter vibrates to damage an electric element in the oil pressure meter, residual pressure exists in an oil pressure seat when the oil pressure meter is replaced, after the oil pressure meter is installed, the oil pressure meter and the oil pressure seat are not further sealed, the sealing effect is poor, and the oil pressure seat lacks a pressure stabilizing function, the invention has the following technical problems: an oil pressure seat with pressure gauge protection function for oil field is provided.
The technical implementation scheme of the invention is as follows: the oil pressure seat with pressure gauge protecting function for oil field includes lower sleeve, elastic sleeve, upper sleeve, support rod, connecting block, sleeve ring, oil pressure gauge, pressure stabilizing assembly, pressure reducing mechanism, pressure releasing mechanism and sealing assembly, the lower sleeve is fixed on the petroleum pipeline via flange, the lower sleeve has circular bench groove in its lower surface, through hole in the right side of the middle of the lower sleeve, the upper part of the lower sleeve has first cavity, the upper part of the lower sleeve has second cavity communicated with the first cavity, two vent holes in the upper surface of the lower sleeve and the second cavity, four third cavities communicated with the first cavity, four vent grooves in the right side of the lower sleeve, the four vent grooves communicated with the adjacent third cavities, the upper part of the lower sleeve is provided with an elastic sleeve, the lower end of the elastic sleeve is in sliding fit with the second cavity, the upper part of the elastic sleeve is fixedly connected with an upper sleeve, the upper part of the upper sleeve is provided with a hydraulic cavity, the support rods are uniformly arranged with four support rods along the circumferential direction of the lower sleeve, the lower ends of the four support rods are fixed on the ground, the upper parts of the four support rods are all in threaded arrangement, the connecting blocks are uniformly arranged with four connecting blocks along the circumferential direction of the upper sleeve, the four connecting blocks are respectively and rotationally connected with adjacent support rods, the four connecting blocks are respectively and fixedly connected with the upper parts of the adjacent support rods through nuts, the inner ends of the four connecting blocks are fixedly connected with a lantern ring, the lantern ring supports the upper sleeve, the upper surface of the upper sleeve is fixedly connected with an oil pressure gauge through a flange, a pressure stabilizing component is arranged in the lower sleeve, the pressure stabilizing component is fixedly connected with the upper part of the inner surface of the lower sleeve, the pressure stabilizing component is used for stabilizing the oil pressure change in an oil pressure seat after the oil pressure fluctuation occurs in an oil pipeline, the pressure reducing mechanism is arranged in the lower sleeve and fixedly connected with the upper portion of the inner surface of the lower sleeve, the pressure reducing mechanism is located below the pressure stabilizing component, the pressure reducing mechanism is used for reducing the pressure in the oil pressure seat after oil pressure fluctuation occurs in the petroleum pipeline, the pressure releasing mechanism is arranged on the right portion of the oil pressure seat and penetrates through the right portion of the lower sleeve, the pressure releasing mechanism is used for reducing residual pressure in the oil pressure seat when the oil pressure gauge is replaced, the sealing component is arranged on the upper portion of the upper sleeve, and the sealing component is used for sealing between the oil pressure gauge and the upper sleeve.
More preferably, the elastic sleeve is made of elastic corrosion-resistant rubber material, the upper part of the elastic sleeve is in a folded shape, the lower part of the elastic sleeve is in a corrugated shape, and the elastic sleeve is used for eliminating vibration of the petroleum pipeline to the upper sleeve and the oil pressure gauge.
More preferably, the voltage stabilizing assembly comprises a first fixed ring, a connecting plate, a second fixed ring and a deformed plate, wherein the first fixed ring is fixedly connected to the upper part of the inner surface of the lower sleeve, two connecting plates are symmetrically arranged left and right, the outer ends of the two connecting plates are fixedly connected with the inner sides of the lower parts of the first fixed ring respectively, the second fixed ring is fixedly connected with the inner ends of the two connecting plates, the thickness of the second fixed ring is the same as that of the first fixed ring, the deformed plate is fixedly connected to the upper surface of the second fixed ring, the deformed plate is made of elastic materials, a channel formed between the first fixed ring and the second fixed ring is an oil inlet channel, the lower width of the oil inlet channel is wide and the upper width of the oil inlet channel is narrow, and the outlet of the upper part of the oil inlet channel is aligned with the middle part of the deformed plate.
More preferably, the lower surface of the irregular plate is arranged in an upward concave manner, the upper surface of the irregular plate is arranged in an upward convex manner, and the thickness of the irregular plate from the middle part to the outside is gradually reduced.
More preferably, the depressurization mechanism comprises round tubes, communicating tubes, piston tubes, depressurization shells, oil through rings, limiting rings and bent rods, two round tubes are symmetrically arranged left and right, the outer side parts of the two round tubes are fixedly connected with the upper parts of the inner surfaces of the lower sleeves respectively, the inner side parts of the two round tubes are fixedly connected with the communicating tubes, sliding grooves are formed in the communicating tubes, the two round tubes penetrate through the lower sleeves to communicate the inner parts of the communicating tubes with the first cavities, the piston tubes are connected with the piston tubes in a sliding mode in the sliding grooves of the communicating tubes, the piston tubes are located the lower parts of the communicating tubes, the piston tubes are in sliding fit with the second fixing rings and the abnormal plates, the depressurization shells are fixedly connected with the oil through rings in the middle parts, a plurality of oil through holes are formed in the upper parts of the oil through rings, the limiting rings are fixedly connected with the middle parts of the inner surfaces of the lower sleeves, the limiting rings are in sliding fit with the oil through rings, the bent rods are uniformly arranged four in the circumferential directions of the elastic sleeves, the inner ends of the four bent rods are fixedly connected with the outer surfaces of the elastic sleeves respectively, and the lower parts of the four bent rods are in sliding fit with the adjacent third cavities respectively.
More preferably, the pressure reducing shell is a cavity, the lower surface of the pressure reducing shell is a downward bulge, the lower surface material of the pressure reducing shell is an elastic material, and the pressure reducing shell cavity is communicated with the communicating pipe through the piston pipe.
More preferably, the pressure release mechanism comprises a fixed block, a fixed column, sliding blocks, a first sleeve, a spring, a piston disc, a first rotating shaft, a second sleeve, a first gear, a second rotating shaft, a supporting block, a supporting plate, a third rotating shaft and a rotary table, wherein three fixed blocks are uniformly arranged in the circumference of the lower sleeve, the outer ends of the three fixed blocks are fixedly connected with the lower part of the inner surface of the lower sleeve respectively, three fixed columns are uniformly arranged in the circumference of the lower sleeve, the upper ends of the three fixed columns are fixedly connected with the middle part of the lower surface of the adjacent fixed block respectively, three sliding blocks are uniformly arranged in the circumference of the lower sleeve, the outer parts of the three sliding blocks are respectively in sliding fit with the lower part of the adjacent fixed column, the inner ends of the three sliding blocks are fixedly connected with a first sleeve, the inner surface of the first sleeve is in a threaded arrangement, the lower surface of the first sleeve is fixedly connected with the spring, the piston disc is fixedly connected with the lower end of the spring, the piston disc is in a round table shape, the piston disc is in extrusion fit with the circular table groove, the circular ring groove of the piston disc is in sliding fit with the first sleeve, the upper surface of the piston disc is provided with a circular ring groove, the spring is positioned in the circular ring groove of the piston disc, the lower end of the spring is fixedly connected with the lower surface of the circular ring groove of the piston disc, the first sleeve is rotationally connected with a first rotating shaft, the outer surface of the first rotating shaft is provided with threads matched with the inner threads of the first sleeve, the inner ends of three fixed blocks are fixedly connected with a second sleeve, the second sleeve is positioned above the first sleeve and rotationally connected with the upper part of the first rotating shaft, the upper end of the first rotating shaft is fixedly connected with a first gear, the right part of the lower sleeve is rotationally connected with a second rotating shaft, the second rotating shaft is positioned in a through hole, the left end of the second rotating shaft is fixedly connected with a second gear, the right side of the lower part of the upper sleeve is fixedly connected with a supporting block, the left part of the supporting block is provided with a cylindrical cavity, the right side of the upper sleeve is fixedly connected with a supporting plate, the right side of the right part of the supporting plate is provided with a threaded hole, the right part of the supporting block is rotationally connected with a third rotating shaft, the upper part of the outer surface of the third rotating shaft is provided with threads, the external threads of the third rotating shaft are in threaded fit with the threaded holes of the supporting plate, the upper part of the third rotating shaft is fixedly connected with a turntable, the right part of the second rotating shaft is connected with a connecting shaft through a universal joint, the lower part of the third rotating shaft is connected with a connecting shaft through a universal joint, and the second rotating shaft, the connecting shaft and the third rotating shaft form a universal shaft.
More preferably, the sealing assembly comprises a sealing sleeve, a liquid passing pipe, a sealing piston and a sealing ring, wherein the left part of the lower surface of the supporting plate is fixedly connected with the sealing sleeve, the liquid passing pipe is fixedly connected with the left side of the upper part of the sealing sleeve, the liquid passing pipe is used for communicating the inside of the sealing sleeve with a hydraulic cavity, the lower end of the sealing sleeve is fixedly connected with the sealing piston, a through hole with the same inner diameter as the sealing sleeve is formed in the middle of the sealing piston, the sealing piston is in sliding fit with a cylindrical cavity in the supporting block, the sealing ring is arranged above the hydraulic cavity, and the sealing ring is in sliding connection with the upper sleeve.
More preferably, the sealing ring is of a hollow structure and made of elastic materials, the lower part of the sealing ring is arranged in a way of protruding upwards and downwards, and the thickness of the upper part of the sealing ring is thinner than that of the lower part of the sealing ring.
Compared with the prior art, the invention has the following advantages: according to the invention, the oil pressure seat is divided into the lower sleeve and the upper sleeve, the lower sleeve is fixedly connected with the oil pipe, the upper sleeve is fixedly connected with the oil pressure gauge, so that the oil pressure gauge is not affected when the oil pipe vibrates, the lower sleeve and the upper sleeve are connected and sealed through the elastic sleeve, the vibration of the upper sleeve is relieved on the premise of ensuring that the pressure in the lower sleeve is transmitted to the pressure of the upper sleeve in real time, the service life of the oil pressure gauge is prolonged, the pressure in the oil pressure seat is reduced when the oil pressure fluctuation occurs in the oil pipe through the cooperation of the pressure stabilizing component and the pressure reducing mechanism, the oil pressure in the oil pressure seat is reduced when the oil pressure gauge is replaced through the pressure reducing mechanism, the effect of eliminating the residual pressure in the oil pressure seat is realized, and a sealing component is used for further sealing between the oil pressure gauge and the oil pressure seat after the installation of the oil pressure gauge is completed, so that a better sealing effect is realized.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a cross-sectional view of a three-dimensional structure of the present invention.
Fig. 3 is a schematic perspective view of the structure of the present invention a.
FIG. 4 is a cross-sectional view of a three-dimensional structure of a voltage stabilizing assembly according to the present invention.
Fig. 5 is a schematic perspective view of the structure of the present invention at B.
Fig. 6 is a perspective view of the pressure reducing mechanism of the present invention.
Fig. 7 is a partial cross-sectional view of a three-dimensional structure of a pressure relief mechanism of the present invention.
Fig. 8 is a partial cross-sectional view of a three-dimensional structure of a pressure relief mechanism of the present invention.
Fig. 9 is a schematic perspective view of the structure of the present invention at C.
The marks of the components in the drawings are as follows: 1. lower sleeve, 101, round platform groove, 102, through hole, 103, first cavity, 104, second cavity, 105, vent hole, 106, third cavity, 107, vent groove, 2, elastic sleeve, 3, upper sleeve, 310, hydraulic cavity, 4, support rod, 5, connecting block, 6, collar, 7, oil pressure gauge, 8, pressure stabilizing component, 801, first fixed ring, 802, connecting plate, 803, second fixed ring, 804, abnormal plate, 805, oil inlet channel, 9, depressurization mechanism, 901, round tube, 902, communicating tube, 903, piston tube, 904, depressurization shell, 905, oil-passing ring, 906, limiting rings, 907, bent rods, 10, pressure relief mechanisms, 1001, fixed blocks, 1002, fixed columns, 1003, sliding blocks, 1004, first sleeves, 1005, springs, 1006, piston discs, 1007, first rotating shafts, 1008, second sleeves, 1009, first gears, 1010, second rotating shafts, 1011, second gears, 1012, supporting blocks, 1013, supporting plates, 1014, third rotating shafts, 1015, turntables, 1016, connecting shafts, 11, sealing assemblies, 1101, sealing sleeves, 1102, liquid through pipes, 1103, sealing pistons, 1104 and sealing rings.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The oil pressure seat with pressure gauge protection function for oil field, as shown in figures 1,2, 4 and 9, comprises a lower sleeve 1, an elastic sleeve 2, an upper sleeve 3, a support rod 4, a connecting block 5, a lantern ring 6, an oil pressure gauge 7, a pressure stabilizing component 8, a pressure reducing mechanism 9, a pressure releasing mechanism 10 and a sealing component 11, wherein the lower sleeve 1 is fixedly connected on a petroleum pipeline through a flange, a circular table groove 101 is arranged at the lower part of the inner surface of the lower sleeve 1, a through hole 102 is arranged at the right side of the middle part of the lower sleeve 1, a first cavity 103 is arranged at the upper part of the lower sleeve 1, a second cavity 104 communicated with the first cavity 103 is arranged at the upper part of the lower sleeve 1, two vent holes 105 which are bilaterally symmetrical are arranged between the upper surface of the lower sleeve 1 and the second cavity 104, four third cavities 106 communicated with the first cavity 103 are uniformly arranged at the upper part of the lower sleeve 1 in the circumferential direction, four third cavities 106 are respectively positioned at the outer side of the first cavity 103, four ventilation grooves 107 are uniformly formed in the right side of the lower sleeve 1 in the circumferential direction, the four ventilation grooves 107 are respectively communicated with the adjacent third cavities 106, the upper part of the lower sleeve 1 is provided with an elastic sleeve 2, the lower end of the elastic sleeve 2 is in sliding fit with the second cavity 104, the elastic sleeve 2 is made of elastic corrosion-resistant rubber material, the upper part of the elastic sleeve 2 is in a folded shape, the lower part of the elastic sleeve 2 is in a corrugated tube shape, the elastic sleeve 2 is used for eliminating vibration of an oil pipeline on the upper sleeve 3 and the oil pressure gauge 7, the effect of protecting electric elements in the oil pressure gauge 7 is realized, the upper sleeve 3 is fixedly connected to the upper part of the elastic sleeve 2, the upper sleeve 3 is provided with a hydraulic cavity 310, the four support rods 4 are uniformly arranged in the circumferential direction of the lower sleeve 1, the lower ends of the four support rods 4 are fixed on the ground, the upper parts of the four support rods 4 are all in threaded arrangement, the connecting block 5 evenly is provided with four along last sleeve pipe 3 circumference, four connecting blocks 5 rotate with adjacent bracing piece 4 respectively and are connected, four connecting blocks 5 pass through the nut rigid coupling respectively in adjacent bracing piece 4 upper portion, the inner rigid coupling of four connecting blocks 5 has lantern ring 6, lantern ring 6 supports last sleeve pipe 3, the upper surface of last sleeve pipe 3 has oil pressure gauge 7 through the flange rigid coupling, be provided with steady voltage subassembly 8 in the lower sleeve pipe 1, steady voltage subassembly 8 and the upper portion rigid coupling of lower sleeve 1 internal surface, steady voltage subassembly 8 is used for the oil pressure fluctuation appearing in the petroleum pipeline after stabilizing the oil pressure change in the oil pressure seat, be provided with depressurization mechanism 9 in the lower sleeve pipe 1, depressurization mechanism 9 and the upper portion rigid coupling of lower sleeve 1 internal surface, depressurization mechanism 9 is located steady voltage subassembly 8 below, depressurization mechanism 9 is used for reducing the oil pressure seat internal pressure after the oil pressure fluctuation appears in the petroleum pipeline, the effect of protecting oil pressure gauge 7 has been realized, depressurization mechanism 10 sets up in the oil pressure seat right part, depressurization mechanism 10 runs through the lower sleeve pipe 1 right part, depressurization mechanism 10 is used for reducing the oil pressure in the oil pressure seat when changing oil pressure gauge 7, seal assembly 11 sets up on the upper sleeve pipe 3, seal assembly 11 is used for the oil pressure gauge 7 between the upper sleeve pipe 7 and the seal is better seal has been realized to the oil pressure between the oil pressure gauge 7.
Firstly, an operator fixes an oil pressure seat in a closed state, after the operator fixes four support rods 4 on the ground, a connecting block 5 is sleeved on the support rods 4, then a nut is tightened, an upper sleeve 3 is fixed, then the operator fixedly connects a lower sleeve 1 on a petroleum pipeline through a flange, the oil pressure seat is fixed, an oil pressure meter 7 is fixedly connected on the upper surface of the upper sleeve 3 through the flange, the oil pressure meter 7 is installed, then the oil pressure seat in the closed state is opened, after the oil pressure seat is opened, crude oil enters the oil pressure seat and passes through a pressure relief mechanism 10, a pressure reducing mechanism 9 and a pressure stabilizing assembly 8, gas in the oil pressure seat is compressed, at the moment, the lower part of the oil pressure seat is crude oil, the upper part of the oil pressure seat is compressed gas, when the petroleum pipeline is subjected to oil pressure fluctuation, the petroleum pipeline drives the lower sleeve 1 to vibrate, and the upper half part of the elastic sleeve 2 is arranged in a double-folded shape, when the lower sleeve 1 vibrates longitudinally, the upper half part of the lower sleeve 1 can prevent vibration from being transferred to the upper sleeve 3 through up-down folding, so that the oil pressure gauge 7 cannot vibrate, when the lower sleeve 1 vibrates transversely, the lower part of the lower sleeve 1 is corrugated, the corrugated pipe has better transverse deformation quantity when the corrugated pipe vibrates transversely, the upper sleeve 3 can be better prevented from being subjected to transverse vibration, the protection effect on the oil pressure gauge 7 is achieved, the pressure stabilizing component 8 is used for stabilizing the upper pressure of the oil pressure seat, after oil pressure fluctuation occurs in the petroleum pipeline, the pressure stabilizing component 8 enters a pressure stabilizing state, the pressure stabilizing component 8 seals the oil pressure seat, the pressure above the pressure stabilizing component 8 in the oil pressure seat cannot be influenced by the pressure below the pressure stabilizing component, meanwhile, the pressure reducing mechanism 9 enters a pressure reducing state, and the pressure reducing mechanism 9 enables the elastic sleeve 2 to move upwards, the stretching length of the elastic sleeve 2 between the lower sleeve 1 and the upper sleeve 3 is increased, the petroleum volume change between the elastic sleeve 2 is increased, the pressure in the oil pressure seat is reduced, meanwhile, the middle part of the corrugated pipe of the elastic sleeve 2 is pulled outwards by the pressure reducing mechanism 9, the volume in the elastic sleeve 2 is increased, the pressure in the oil pressure seat is reduced, after the petroleum pipeline oil pressure fluctuation disappears, the pressure stabilizing component 8 is released from the pressure stabilizing state, the pressure reducing mechanism 9 is released from the pressure reducing state, the oil pressure meter 7 continues to measure the oil pressure, when the oil pressure meter 7 needs to be replaced, an operator controls the pressure reducing mechanism 10 to close the oil pressure seat and then decompresses, meanwhile, the pressure reducing mechanism 10 drives the sealing component 11 in the sealing state to be released, after the decompression of the pressure reducing mechanism 10 is completed and the sealing component 11 is released, the operator changes the oil pressure meter 7, after the replacement of the oil pressure meter 7 is completed, the operator controls the pressure reducing mechanism 10 to open the oil pressure seat, meanwhile, the sealing component 11 enters the sealing state, and the oil pressure meter 7 continues to measure the oil pressure.
Example 2
On the basis of embodiment 1, as shown in fig. 2 and fig. 4-6, the voltage stabilizing component 8 comprises a first fixing ring 801, a connecting plate 802, a second fixing ring 803 and a special-shaped plate 804, wherein the first fixing ring 801 is fixedly connected to the upper portion of the inner surface of the lower sleeve 1, two connecting plates 802 are symmetrically arranged left and right, the outer ends of the two connecting plates 802 are respectively fixedly connected to the inner sides of the lower portions of the first fixing ring 801, the second fixing ring 803 is fixedly connected to the inner ends of the two connecting plates 802, the thickness of the second fixing ring 803 is the same as that of the first fixing ring 801, the upper surface of the second fixing ring 803 is fixedly connected with the special-shaped plate 804, the special-shaped plate 804 is made of elastic material, the lower surface of the special-shaped plate 804 is concavely arranged upwards, the upper surface of the special-shaped plate 804 is convexly arranged upwards, the thickness of the middle of the special-shaped plate 804 gradually becomes smaller from the middle, a channel formed between the first fixing ring 801 and the second fixing ring 803 is an oil inlet channel 805, the lower width of the oil inlet channel 805 is upper and the outlet of the special-shaped plate 804 is aligned with the middle of the special-shaped plate 804.
After oil pressure fluctuation occurs in a petroleum pipeline, the pressure below the pressure stabilizing component 8 is increased, the pressure stabilizing component 8 enters a pressure stabilizing state, so that impact force of the pressure stabilizing component on the irregular plate 804 is increased, the irregular plate 804 deforms, the edge of the pressure stabilizing component is upwards and then clings to the inner surface of the lower sleeve 1, after the irregular plate 804 deforms, the pressure below the irregular plate 804 in the lower sleeve 1 cannot be transmitted to the upper side of the irregular plate 804, the effect of blocking oil pressure transmission after oil pressure fluctuation occurs is achieved, meanwhile, because the lower surface of the irregular plate 804 is upwards concave, the upper surface is upwards convex, the upward concave part of the lower surface is aligned with the outlet of the oil inlet channel 805, the irregular plate 804 deforms faster after being impacted by crude oil, the thickness of the irregular plate 804 gradually becomes smaller from the middle to the outer, the edge of the irregular plate 804 is deformed more tightly attached to the inner surface of the lower sleeve 1 after being impacted by crude oil, the oil inlet channel 805 is downwards wide and upwards and narrowly arranged, so that when the oil passes through the oil inlet channel 805, impact force gathers together, better deformation effect is achieved, after the oil pressure fluctuation of the petroleum pipeline is eliminated, the oil pressure fluctuation meter 8 is detected, and then the oil pressure stabilizing component is continuously regulated 7.
As shown in fig. 2 and 6, the pressure reducing mechanism 9 includes a circular tube 901, a communicating tube 902, a piston tube 903, a pressure reducing housing 904, an oil ring 905, a limiting ring 906 and a bent rod 907, two circular tubes 901 are symmetrically arranged left and right, the outer sides of the two circular tubes 901 are respectively fixedly connected with the upper part of the inner surface of the lower sleeve 1, the communicating tube 902 is fixedly connected with the inner sides of the two circular tubes 901, a sliding groove is arranged in the communicating tube 902, the two circular tubes 901 penetrate through the lower sleeve 1 to communicate the inner part of the communicating tube 902 with the first cavity 103, the sliding groove of the communicating tube 902 is slidably connected with the piston tube 903, the piston tube 903 is positioned at the lower part of the communicating tube 902, the piston tube 903 is slidably matched with the second fixing ring 803 and the special-shaped plate 804, the lower end of the piston tube 903 is fixedly connected with the pressure reducing housing 904, the pressure reducing housing 904 is arranged in a cavity, the lower surface of the pressure reducing housing 904 is in a downward protruding manner, the lower surface of the pressure reducing housing 904 is made of an elastic material, the cavity of the communicating tube 902 is fixedly connected with the communicating tube 902 through the piston tube 903, the middle part of the pressure reducing housing 904 is fixedly connected with the oil ring 905, a plurality of oil holes are formed in the upper part of the communicating ring 905, the inner surface of the lower sleeve 1 is fixedly connected with the limiting ring, the inner surface of the limiting ring 903 is slidably matched with the inner ends of the fourth connecting rod 907, and the four elastic rods 907 are uniformly matched with the outer surfaces of the four elastic rods 907 are respectively, and are slidably matched with the lower sleeve 106 and respectively, and the lower outer surfaces of the four elastic rods 907 are slidably and respectively arranged.
After the oil pressure seat is installed, when oil enters the oil pressure seat and passes through the depressurization mechanism 9, oil enters the upper part of the oil pressure seat through the oil through holes on the oil through ring 905, the original gas of the oil pressure seat is reduced to the gas entering the oil pipeline because the oil through holes are small, finally the oil pressure seat forms an upper part into a gas environment, the lower part is a petroleum environment, after the oil pipeline has oil pressure fluctuation, the depressurization mechanism 9 enters a depressurization state, the depressurization shell 904 moves upwards after being impacted by crude oil, the depressurization shell 904 drives the piston tube 903 to move upwards, the gas in the communicating tube 902 is compressed, the gas pressure in the first cavity 103, the round tube 901, the piston tube 903 and the communicating tube 902 is increased, the gas pressure in the first cavity 103 is increased to drive four bent rods 907 to move outwards while the bent rods 907 drive the lower part of the outer surface of the elastic sleeve 2 to move outwards, the internal volume of the elastic sleeve 2 is increased, thereby the pressure in the oil pressure seat is reduced, the effect of protecting the oil pressure gauge 7 after the oil pressure fluctuation occurs in the oil pipeline is realized, meanwhile, the lower part of the outer surface of the elastic sleeve 2 deforms to drive the elastic sleeve 2 to move upwards, the upward movement of the elastic sleeve 2 increases the stretching length of the elastic sleeve 2 between the lower sleeve 1 and the upper sleeve 3, the volume change of the oil between the elastic sleeves 2 is increased, the pressure in the oil pressure seat is reduced, after the oil pressure fluctuation of the oil pipeline disappears, the pressure reducing mechanism 9 releases the pressure reducing state, the oil pressure gauge 7 continues to perform oil pressure measurement, the pressure stabilizing component 8 is matched with the pressure reducing mechanism 9, the pressure in the oil pressure seat is reduced while the oil pressure seat is blocked when the oil pressure fluctuation occurs in the oil pipeline, and the effect of protecting the oil pressure gauge is realized.
As shown in fig. 1,2 and 7-9, the pressure release mechanism 10 includes a fixed block 1001, a fixed column 1002, a sliding block 1003, a first sleeve 1004, a spring 1005, a piston disc 1006, a first rotating shaft 1007, a second sleeve 1008, a first gear 1009, a second gear 1011, a second rotating shaft 1010, a supporting block 1012, a supporting plate 1013, a third rotating shaft 1014 and a rotating disc 1015, three fixed blocks 1001 are uniformly arranged in the inner circumference of the lower sleeve 1, the outer ends of the three fixed blocks 1001 are fixedly connected with the lower part of the inner surface of the lower sleeve 1, three fixed columns 1002 are uniformly arranged in the inner circumference of the lower sleeve 1, the upper ends of the three fixed columns 1002 are fixedly connected with the middle part of the lower surface of the adjacent fixed block 1001, three sliding blocks 1003 are uniformly arranged in the inner circumference of the lower sleeve 1, the outer parts of the three sliding blocks 1003 are respectively in sliding fit with the lower parts of the adjacent fixed columns 1002, the inner ends of the three sliding blocks 1003 are fixedly connected with the first sleeve 1004, the inner surface of the first sleeve 1004 is in a threaded arrangement, a spring 1005 is fixedly connected to the lower surface of the first sleeve 1004, a piston disc 1006 is fixedly connected to the lower end of the spring 1005, the piston disc 1006 is in a round table shape, the piston disc 1006 is in extrusion fit with the round table groove 101, a circular groove of the piston disc 1006 is in sliding fit with the first sleeve 1004, a circular groove is arranged on the upper surface of the piston disc 1006, the spring 1005 is positioned in the circular groove of the piston disc 1006, the lower end of the spring 1005 is fixedly connected with the lower surface of the circular groove of the piston disc 1006, a first rotating shaft 1007 is rotationally connected to the inside of the first sleeve 1004, threads matched with the inner threads of the first sleeve 1004 are arranged on the outer surface of the first rotating shaft 1007, a second sleeve 1008 is fixedly connected to the inner ends of three fixing blocks 1001, the second sleeve 1008 is positioned above the first sleeve 1004, the second sleeve 1008 is rotationally connected to the upper part of the first rotating shaft 1007, a first gear 1009 is fixedly connected to the upper end of the first rotating shaft 1007, a second rotating shaft 1010 is rotationally connected to the right part of the lower sleeve 1, the second rotating shaft 1010 is located in the through hole 102, the second gear 1011 is fixedly connected to the left end of the second rotating shaft 1010, the supporting block 1012 is fixedly connected to the right side of the lower portion of the upper sleeve 3, a cylindrical cavity is formed in the left portion of the supporting block 1012, the supporting plate 1013 is fixedly connected to the right side of the upper portion of the upper sleeve 3, a threaded hole is formed in the right portion of the supporting plate 1013, the third rotating shaft 1014 is rotatably connected to the right portion of the supporting block 1012, threads are formed in the upper portion of the outer surface of the third rotating shaft 1014, the external threads of the third rotating shaft 1014 are in threaded fit with the threaded holes of the supporting plate 1013, the rotary table 1015 is fixedly connected to the upper portion of the third rotating shaft 1014, the connecting shaft 1016 is connected to the right portion of the second rotating shaft 1010 through a universal joint, the connecting shaft 1016 and the third rotating shaft 1014 form a universal shaft through the universal joint, and the pressure relief mechanism 10 is used for reducing residual pressure in an oil pressure seat when the oil pressure gauge 7 is replaced, and the effect of protecting safety of operators is achieved.
When the oil pressure gauge 7 needs to be replaced, an operator controls the pressure release mechanism 10 to release pressure after closing the oil pressure seat, the operator rotates the rotary table 1015 clockwise, the rotary table 1015 drives the third rotary shaft 1014 to rotate clockwise, the third rotary shaft 1014 drives the connecting shaft 1016 to rotate clockwise, the connecting shaft 1016 drives the second rotary shaft 1010 to rotate clockwise, the second rotary shaft 1010 drives the second gear 1011 to rotate clockwise, the second gear 1011 drives the first gear 1009 to rotate clockwise, the first gear 1009 drives the first rotary shaft 1007 to rotate clockwise, the first rotary shaft 1007 drives the first sleeve 1004 to move downwards, the first sleeve 1004 drives the sliding block 1003 and the spring 1005 to move downwards, the spring 1005 drives the piston disc 1006 to move downwards, the third rotary shaft 1014 drives the supporting plate 1013 to move upwards, the supporting plate 1013 drives the upper sleeve 3 to move upwards, the upper sleeve 3 stretches the elastic sleeve 2, when the piston disc 1006 is in extrusion fit with the round table groove 101, the oil pressure seat is closed, the piston disc 1006 cannot move downwards due to the limitation of the round table groove 101, the spring 1005 starts to compress, the elastic sleeve 2 continues to be stretched, the volume in the oil pressure seat is increased, the pressure is reduced, the pressure relief is completed, the operator replaces the oil pressure gauge 7, after the oil pressure gauge 7 is replaced, the operator controls the pressure relief mechanism 10 to open the oil pressure seat, the operator rotates the rotary table 1015 anticlockwise, the rotary table 1015 drives the third rotary shaft 1014 to rotate anticlockwise, the third rotary shaft 1014 drives the connecting shaft 1016 to rotate anticlockwise, the connecting shaft 1016 drives the second rotary shaft 1010 to rotate anticlockwise, the second rotary shaft 1010 drives the second gear 1011 to rotate anticlockwise, the second gear 1011 drives the first gear 1009 to rotate anticlockwise, the first rotary shaft 1007 drives the first sleeve 1004 to move upwards, the first sleeve 1004 drives the sliding block 1003 to move upwards, when the spring 1005 is gradually restored, after the spring 1005 is restored, the spring 1005 drives the piston disc 1006 to move upwards, the piston disc 1006 loses extrusion fit with the circular truncated cone groove 101, the oil pressure seat is opened, the third rotating shaft 1014 drives the supporting plate 1013 to move downwards in the process of opening the oil pressure seat, the supporting plate 1013 drives the upper sleeve 3 to move downwards, the upper sleeve 3 moves downwards to enable the elastic sleeve 2 to be compressed, and when the upper sleeve 3 is in fit limit with the sleeve ring 6, an operator stops rotating the rotary table 1015.
As shown in fig. 2 and 9, the seal assembly 11 includes a seal sleeve 1101, a liquid passing tube 1102, a seal piston 1103 and a seal ring 1104, wherein the seal sleeve 1101 is fixedly connected to the left portion of the lower surface of the support plate 1013, the liquid passing tube 1102 is fixedly connected to the left side of the upper portion of the seal sleeve 1101, the interior of the seal sleeve 1101 is communicated with the hydraulic cavity 310 by the liquid passing tube 1102, the seal piston 1103 is fixedly connected to the lower end of the seal sleeve 1101, a through hole 102 with the same size as the inner diameter of the seal sleeve 1101 is formed in the middle of the seal piston 1103, the seal piston 1103 is slidably matched with a cylindrical cavity in the support block 1012, the seal ring 1104 is slidably connected with the upper sleeve 3, the seal ring 1104 is of a hollow structure and made of an elastic material, the lower portion of the seal ring 1104 is arranged in an up-down protruding manner, and the thickness of the upper portion of the seal ring 1104 is thinner than the lower portion of the seal ring 1104.
When the oil pressure gauge 7 needs to be replaced, the sealing assembly 11 in a sealing state is unsealed, after the oil pressure gauge 7 is replaced, the supporting plate 1013 moves upwards to drive the upper sleeve 3 and the sealing sleeve 1101 to move upwards, the upper sleeve 3 and the sealing sleeve 1101 drive the liquid passing pipe 1102 to move upwards, the sealing sleeve 1101 drives the sealing piston 1103 to move upwards, the pressure in the cylindrical cavity of the supporting block 1012 is reduced by the upward movement of the sealing piston 1103, and simultaneously, the pressure in the sealing sleeve 1101, the liquid passing pipe 1102 and the hydraulic cavity 310 is reduced, the sealing ring 1104 in the compressed state is restored to the original state by the pressure reduction in the hydraulic cavity 310, the sealing assembly 11 is unsealed, after the oil pressure gauge 7 is replaced, the supporting plate 1013 moves downwards to drive the lower sleeve 1 and the sealing sleeve 1101 to move downwards, the lower sleeve 1 and the sealing sleeve 1101 drive the liquid passing pipe 1102 to move downwards, the sealing piston 1101 is driven by the sealing sleeve 1101 to move downwards, the pressure in the cylindrical cavity of the supporting block 1012 is increased, and simultaneously, the pressure in the sealing sleeve 1101 and the lower surface of the sealing ring 1104 is extruded upwards, and the lower surface of the sealing ring 1104 is made of an elastic material, and the sealing ring 1104 is extruded upwards, and after the sealing ring 1104 is compressed, the air in the cavity 1104 is compressed, and the air in the cavity is compressed, and the air in the sealing ring 1104 is compressed, and the upper part is compressed, and the lower part of the sealing ring 7 is more easily and compressed, and the sealing ring is more easily.
While the present disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. The scope of the disclosure should, therefore, not be limited to the above-described embodiments, but should be determined not only by the following claims, but also by the equivalents of the following claims.
Claims (5)
1. The utility model provides an oil pressure seat with manometer protect function for oil field, a serial communication port, including lower sleeve pipe (1), elastic sleeve pipe (2), go up sleeve pipe (3), bracing piece (4), connecting block (5), lantern ring (6), oil pressure gauge (7), steady voltage subassembly (8), depressurization mechanism (9), pressure release mechanism (10) and seal assembly (11), lower sleeve pipe (1) pass through flange rigid coupling on petroleum pipeline, circular table groove (101) have been seted up to lower sleeve pipe (1) internal surface lower part, through-hole (102) have been seted up on lower sleeve pipe (1) middle part right side, first cavity (103) have been seted up on lower sleeve pipe (1) upper portion, second cavity (104) with first cavity (103) intercommunication have been seted up on lower sleeve pipe (1) upper portion, second cavity (104) are located first cavity (103) top, two vent holes (105) of bilateral symmetry have been seted up between lower sleeve pipe (1) upper surface and second cavity (104), four third cavity (106) with first cavity (103) intercommunication are evenly seted up to lower sleeve pipe (1) upper portion circumference, four third cavity (103) are located respectively outside fourth cavity (106) evenly and are connected with fourth cavity (107) are evenly connected with vent groove (107) respectively, the upper part of the lower sleeve (1) is provided with an elastic sleeve (2), the lower end of the elastic sleeve (2) is in sliding fit with the second cavity (104), the upper part of the elastic sleeve (2) is fixedly connected with an upper sleeve (3), the upper part of the upper sleeve (3) is provided with a hydraulic cavity (310), the supporting rods (4) are uniformly arranged four along the circumferential direction of the lower sleeve (1), the lower ends of the four supporting rods (4) are fixed on the ground, the upper parts of the four supporting rods (4) are all in threaded arrangement, the connecting blocks (5) are uniformly arranged four along the circumferential direction of the upper sleeve (3), the four connecting blocks (5) are respectively and rotationally connected with the adjacent supporting rods (4), the four connecting blocks (5) are respectively fixedly connected with the upper parts of the adjacent supporting rods (4) through nuts, the inner ends of the four connecting blocks (5) are fixedly connected with lantern rings (6), the lantern rings (6) support the upper sleeve (3), the upper surface of the upper sleeve (3) is fixedly connected with an oil pressure gauge (7) through flanges, a pressure stabilizing component (8) is arranged in the lower sleeve (1), the pressure stabilizing component (8) is fixedly connected with the upper part of the inner surface of the lower sleeve (1) through flanges, the upper part of the petroleum pressure stabilizing component (8) is used for being fixedly connected with the inner surface of the lower sleeve (1), the lower sleeve (1) is fixedly connected with the inner surface of the oil pressure stabilizing mechanism (9) through the oil pressure stabilizing mechanism (9), the pressure reducing mechanism (9) is positioned below the pressure stabilizing component (8), the pressure reducing mechanism (9) is used for reducing the pressure in the oil pressure seat after oil pressure fluctuation occurs in the petroleum pipeline, the pressure reducing mechanism (10) is arranged at the right part of the oil pressure seat, the pressure reducing mechanism (10) penetrates through the right part of the lower sleeve (1), the pressure reducing mechanism (10) is used for reducing the residual pressure in the oil pressure seat when the oil pressure gauge (7) is replaced, the sealing component (11) is arranged at the upper part of the upper sleeve (3), and the sealing component (11) is used for sealing between the oil pressure gauge (7) and the upper sleeve (3);
The pressure stabilizing assembly (8) comprises a first fixed ring (801), a connecting plate (802), a second fixed ring (803) and a special-shaped plate (804), wherein the first fixed ring (801) is fixedly connected to the upper part of the inner surface of the lower sleeve (1), the two connecting plates (802) are symmetrically arranged left and right, the outer ends of the two connecting plates (802) are fixedly connected with the inner sides of the lower parts of the first fixed ring (801) respectively, the second fixed ring (803) is fixedly connected with the inner ends of the two connecting plates (802), the thickness of the second fixed ring (803) is the same as that of the first fixed ring (801), the upper surface of the second fixed ring (803) is fixedly connected with the special-shaped plate (804), the special-shaped plate (804) is made of elastic material, a channel formed between the first fixed ring (801) and the second fixed ring (803) is an oil inlet channel (805), the lower width of the oil inlet channel (805) is up and down, and the outlet on the upper side of the oil inlet channel (805) is aligned with the middle part of the special-shaped plate (804).
The pressure reducing mechanism (9) comprises round tubes (901), communicating tubes (902), piston tubes (903), a pressure reducing shell (904), oil passing rings (905), limiting rings (906) and bent rods (907), wherein two round tubes (901) are symmetrically arranged left and right, the outer side parts of the two round tubes (901) are fixedly connected with the upper parts of the inner surfaces of the lower sleeve (1) respectively, the inner side parts of the two round tubes (901) are fixedly connected with the communicating tubes (902), sliding grooves are formed in the communicating tubes (902), the two round tubes (901) penetrate through the lower sleeve (1) to communicate the inner parts of the communicating tubes (902) with the first cavity (103), the piston tubes (903) are connected with the piston tubes (903) in a sliding mode, the piston tubes (903) are in sliding fit with the second fixing rings (803) and the abnormal plates (804), the lower ends of the piston tubes (903) are fixedly connected with the pressure reducing shell (904), the middle parts of the pressure reducing shells (904) are fixedly connected with the oil passing rings (905), the upper parts of the oil passing rings (905) are fixedly connected with a plurality of oil passing holes, the middle parts of the inner surfaces of the lower sleeve (1) are fixedly connected with the limiting rings (905), the sliding rings (903) are in sliding mode, the sliding rings (903) are evenly matched with the four elastic rods (906) along the periphery of the limiting rings (907), the inner ends of the four bending rods (907) are respectively fixedly connected with the lower part of the outer surface of the elastic sleeve (2), and the lower parts of the four bending rods (907) are respectively in sliding fit with the adjacent third cavities (106);
The pressure release mechanism (10) comprises a fixed block (1001), a fixed column (1002), a sliding block (1003), a first sleeve (1004), a spring (1005), a piston disc (1006), a first rotating shaft (1007), a second sleeve (1008), a first gear (1009), a second gear (1011), a second rotating shaft (1010), a supporting block (1012), a supporting plate (1013), a third rotating shaft (1014) and a rotary table (1015), wherein three fixed blocks (1001) are uniformly arranged in the inner circumference of a lower sleeve (1), the outer ends of the three fixed blocks (1001) are fixedly connected with the lower part of the inner surface of the lower sleeve (1) respectively, Three fixing columns (1002) are uniformly arranged in the inner circumference of the lower sleeve (1), the upper ends of the three fixing columns (1002) are fixedly connected with the middle parts of the lower surfaces of the adjacent fixing blocks (1001) respectively, three sliding blocks (1003) are uniformly arranged in the circumference of the inner circumference of the lower sleeve (1), the outer parts of the three sliding blocks (1003) are respectively in sliding fit with the lower parts of the adjacent fixing columns (1002), the inner ends of the three sliding blocks (1003) are fixedly connected with a first sleeve (1004), the inner surfaces of the first sleeve (1004) are in threaded arrangement, the lower surfaces of the first sleeve (1004) are fixedly connected with springs (1005), the lower ends of the springs (1005) are fixedly connected with piston discs (1006), The piston disc (1006) is in a round table shape, the piston disc (1006) is in extrusion fit with the round table groove (101), a circular ring groove of the piston disc (1006) is in sliding fit with the first sleeve (1004), a circular ring groove is formed in the upper surface of the piston disc (1006), a spring (1005) is positioned in the circular ring groove of the piston disc (1006), the lower end of the spring (1005) is fixedly connected with the lower surface of the circular ring groove of the piston disc (1006), a first rotating shaft (1007) is rotationally connected in the first sleeve (1004), threads matched with the internal threads of the first sleeve (1004) are arranged on the outer surface of the first rotating shaft (1007), The inner ends of the three fixing blocks (1001) are fixedly connected with a second sleeve (1008), the second sleeve (1008) is positioned above the first sleeve (1004), the second sleeve (1008) is rotationally connected with the upper part of a first rotating shaft (1007), the upper end of the first rotating shaft (1007) is fixedly connected with a first gear (1009), the right part of a lower sleeve (1) is rotationally connected with a second rotating shaft (1010), the second rotating shaft (1010) is positioned in a through hole (102), the left end of the second rotating shaft (1010) is fixedly connected with a second gear (1011), the right side of the lower part of an upper sleeve (3) is fixedly connected with a supporting block (1012), the left part of the supporting block (1012) is provided with a cylindrical cavity, The right side of the upper part of the upper sleeve (3) is fixedly connected with a supporting plate (1013), the right part of the supporting plate (1013) is provided with a threaded hole, the right part of a supporting block (1012) is rotationally connected with a third rotating shaft (1014), the upper part of the outer surface of the third rotating shaft (1014) is provided with threads, the external threads of the third rotating shaft (1014) are matched with the threaded hole of the supporting plate (1013) in threads, the upper part of the third rotating shaft (1014) is fixedly connected with a rotary table (1015), the right part of the second rotating shaft (1010) is connected with a connecting shaft (1016) through a universal joint, the lower part of the third rotating shaft (1014) is connected with the connecting shaft (1016) through a universal joint, The second rotating shaft (1010), the connecting shaft (1016) and the third rotating shaft (1014) form a universal shaft;
Seal assembly (11) including sealing sleeve (1101), lead to liquid pipe (1102), sealing piston (1103) and sealing washer (1104), backup pad (1013) lower surface left part rigid coupling has sealing sleeve (1101), sealing sleeve (1101) upper portion left side rigid coupling has logical liquid pipe (1102), lead to liquid pipe (1102) with inside and hydraulic cavity (310) intercommunication of sealing sleeve (1101), sealing sleeve (1101) lower extreme rigid coupling has sealing piston (1103), through-hole (102) the same with sealing sleeve (1101) internal diameter size have been seted up at sealing piston (1103) middle part, sealing piston (1103) and the cylinder cavity sliding fit in supporting shoe (1012), hydraulic cavity (310) top is provided with sealing washer (1104), sealing washer (1104) and last sleeve (3) sliding connection.
2. The oil pressure seat with the pressure gauge protection function for the oil field is characterized in that the elastic sleeve (2) is made of elastic corrosion-resistant rubber materials, the upper portion of the elastic sleeve (2) is arranged in a folded shape, the lower portion of the elastic sleeve (2) is arranged in a corrugated shape, and the elastic sleeve (2) is used for eliminating vibration of a petroleum pipeline to the upper sleeve (3) and the oil pressure gauge (7).
3. An oil pressure seat with pressure gauge protection function for oil fields according to claim 1, characterized in that the lower surface of the shaped plate (804) is arranged to be concave upwards, the upper surface is arranged to be convex upwards, and the thickness of the shaped plate (804) is gradually reduced from the middle to the outside.
4. An oil pressure seat with a pressure gauge protection function for an oil field according to claim 1, wherein the pressure reducing housing (904) is a cavity, the lower surface of the pressure reducing housing (904) is a downward bulge, the lower surface material of the pressure reducing housing (904) is an elastic material, and the cavity of the pressure reducing housing (904) is communicated with the communicating pipe (902) through the piston pipe (903).
5. An oil pressure seat with a pressure gauge protection function for an oil field according to claim 1, wherein the sealing ring (1104) is of a hollow structure and made of elastic materials, the lower part of the sealing ring (1104) is arranged in a vertically protruding manner, and the upper part of the sealing ring (1104) is thinner than the lower part of the sealing ring (1104).
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| CN211904794U (en) * | 2019-07-30 | 2020-11-10 | 杨建伟 | Oil development sampling device |
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| CN113607326B (en) * | 2021-10-09 | 2021-12-07 | 南通市大安消防技术服务有限公司 | Digital pressure gauge |
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| CN110514346A (en) * | 2019-08-16 | 2019-11-29 | 李芳芳 | A kind of shock proof pressure transmitter sensing device of novel bradyseism |
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