CN113356184B - Civil engineering building composite pile - Google Patents
Civil engineering building composite pile Download PDFInfo
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- CN113356184B CN113356184B CN202110848708.2A CN202110848708A CN113356184B CN 113356184 B CN113356184 B CN 113356184B CN 202110848708 A CN202110848708 A CN 202110848708A CN 113356184 B CN113356184 B CN 113356184B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/14—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against frost heaves in soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention belongs to the field of composite piles, and particularly relates to a civil engineering building composite pile which comprises an inserting pile and a supporting pile, wherein the inserting pile is hollow, the supporting pile is arranged in the inserting pile in a sliding mode, a buffer plate is fixedly connected in the inserting pile, a plurality of buffer springs are fixedly connected between the buffer plate and the supporting pile, a partition plate is connected in the inserting pile in a sliding mode, water is injected into the lower side of the partition plate, a plurality of extension springs are fixedly connected between the buffer plate and the partition plate, a rheostat is fixedly connected to the lower end of the buffer plate, a metal guide rod is fixedly connected to the rheostat, a sliding sheet is connected to the metal guide rod in a sliding mode and is in contact connection with the rheostat, and an adjusting mechanism matched with the sliding sheet is arranged on the partition plate. The invention can automatically regulate and control the resistance between the combined pile and the soil according to the change of the air temperature, and avoid the influence of the pulling-up of the combined pile on the stability of the whole structure.
Description
Technical Field
The invention belongs to the field of composite piles, and particularly relates to a civil engineering building composite pile.
Background
The civil engineering composite pile is an important component for operation of a building construction site, and the engineering pile can be divided into four types of friction pile, end bearing friction pile and friction end bearing pile according to the relative proportion of side friction resistance and end resistance provided by soil.
The combined pile is generally inserted into the ground, but in autumn and winter, because the temperature is reduced, the moisture in the soil is easy to freeze, the water volume after freezing is increased, the soil combined with the water phase is expanded under the action of frozen water, namely the phenomenon of frost heaving of a soil layer is about to occur, the phenomenon is particularly obvious in a high latitude area, when the frost heaving phenomenon occurs to the soil, the binding force between the frozen soil and the combined pile is greater than the self weight of the combined pile, the combined pile is pulled up at the moment, and then the stability of the combined pile support is influenced.
To this end, we propose a civil engineering construction composite pile to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a civil engineering building combined pile.
In order to achieve the purpose, the invention adopts the following technical scheme: a civil engineering building composite pile comprises an inserting pile and a supporting pile, and is characterized in that the inserting pile is of a hollow design, the supporting pile is arranged in the inserting pile in a sliding mode, a buffer plate is fixedly connected in the inserting pile, a plurality of buffer springs are fixedly connected between the buffer plate and the supporting pile, a partition plate is connected in the inserting pile in a sliding mode, water is filled into the lower side of the partition plate, a plurality of extension springs are fixedly connected between the buffer plate and the partition plate, a rheostat is fixedly connected to the lower end of the buffer plate, a metal guide rod is fixedly connected to the rheostat, a slip sheet is connected to the metal guide rod in a sliding mode and in contact connection with the rheostat, an adjusting mechanism matched with the slip sheet is arranged on the partition plate and comprises a lead screw, a thread block, a gear and a tooth rod, the lead screw is rotatably arranged in the inserting pile, and the thread block is in threaded connection with the lead screw, the end, far away from the lead screw, of the threaded block is fixedly connected with the sliding piece, the gear is fixedly sleeved on the lead screw, the toothed rod is fixedly arranged at the upper end of the partition plate and is meshed with the gear, the inserting pile is fixedly sleeved with a plurality of self-locking boxes from top to bottom, a self-locking mechanism is arranged in each self-locking box and is electrically connected with the rheostat, each self-locking mechanism comprises an inserting rod, a permanent magnet and a telescopic spring, an opening sliding cavity in sliding fit with the inserting rod is formed in the side wall of each self-locking box, the inserting rods are multiple, the inserting rods are annularly distributed on the self-locking boxes, the permanent magnets are fixedly arranged on the inserting rods, annular electromagnets matched with the permanent magnets are fixedly sleeved on the inserting pile, the annular electromagnets are fixedly connected with the permanent magnets through the telescopic springs, the annular electromagnets are connected with the rheostat in series, and an electricity storage box is sleeved on the supporting pile, and an electric power storage mechanism is arranged in the electric power storage box, the electric power storage mechanism is electrically connected with the rheostat, and a self-telescopic mechanism matched with the electric power storage mechanism is arranged in the electric power storage box.
In the civil engineering building composite pile, the electric power storage mechanism is composed of a plurality of solar power storage columns and an electric power storage plate, opening chutes in sliding fit with the solar power storage columns are formed in the electric power storage box, the electric power storage plate is arranged in the electric power storage box in a sliding mode, the supporting piles penetrate through the electric power storage plate, and the solar power storage columns are fixedly and electrically connected with the electric power storage plate.
In foretell civil engineering building composite pile, from telescopic machanism include electromagnetic plate, permanent magnetism board, photo resistor and electromagnetic relay the electromagnetic plate inlays to be located in the electricity storage box, and the permanent magnetism board inlays the lower extreme of locating the electricity storage plate, electromagnetic plate and permanent magnetism board are all run through by the support stake, and a plurality of reset spring of fixedly connected with between electromagnetic plate and the permanent magnetism board, photo resistor and electromagnetic relay are all fixed to be set up in one side of electricity storage box, and establish ties between photo resistor, electromagnetic relay and the electromagnetic plate.
In the civil engineering building composite pile, grooves are formed in the inner walls of the two sides of the opening sliding groove, a closing plate is connected to the grooves in a sliding mode, a plurality of compression springs are fixedly connected between the closing plate and the grooves, and the opening sliding groove can be closed by the two closing plates.
In the civil engineering building composite pile, the upper end of the solar energy storage column is in a conical design, and one side of the closed plate close to the solar energy storage column is in an arc design.
In the civil engineering building combined pile, the screw rod and the thread block are both made of insulating materials.
Compared with the prior art, the invention has the beneficial effects that:
when the temperature in autumn and winter is reduced, water in the inserted piles can be frozen along with the reduction of the temperature, so that the air pressure in the space below the partition plate is increased, the partition plate can automatically slide upwards, the screw rod can rotate under the transmission of the rack bar and the gear, the thread block can drive the sliding sheet to slide on the rheostat at the moment, the length of a resistance wire in a circuit connected with the rheostat can be reduced, the current introduced by the annular electromagnet is enhanced, the magnetism of the annular electromagnet is enhanced, the inserted rods can be inserted into soil under the magnetic action of the electromagnet, the resistance between the inserted piles and the soil is increased, the upward pulling of the inserted piles is prevented as far as possible, when the temperature is further reduced, the magnetism of the annular electromagnet is further enhanced, the inserting force of the inserted rods and the soil is increased, the inserted piles can be automatically regulated and controlled along with the change of the temperature, the resistance between the inserted piles and the soil is prevented from being pulled out, through the electric power storage mechanism who sets up, can provide the electric energy for the ring magnet, external power supply's loaded down with trivial details has been avoided, the electric power cost can be saved simultaneously, through the self telescopic machanism that sets up, make each solar energy electric power storage post, can pack up when night automatically, reduce the time that external dust corrodes solar energy electric power storage post, through the cooperation of the closure plate that sets up and compression spring, can make the closure plate cooperate the flexible automatic closure or the opening spout that open of solar energy electric power storage post, improve the protectiveness of solar energy electric power storage post.
In conclusion, through the arrangement of the device, the combined pile can automatically regulate and control the resistance between the combined pile and the soil according to the change of the air temperature, and the situation that the combined pile is pulled up to influence the stability of the whole structure is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a civil engineering construction composite pile provided by the invention;
FIG. 2 is a schematic structural view showing the mutual matching of the pile inserting and supporting piles of the civil engineering construction composite pile provided by the invention;
FIG. 3 is a schematic view of the internal structure of a pile inserting of the civil engineering construction composite pile provided by the invention;
FIG. 4 is a schematic view of the internal structure of the self-locking box of the civil engineering construction composite pile provided by the invention;
FIG. 5 is a schematic view of the internal structure of the storage battery box of the civil engineering construction composite pile provided by the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 5.
In the figure: the device comprises 1 pile inserting, 2 supporting piles, 3 buffer plates, 4 buffer springs, 5 partition plates, 6 extension springs, 7 rheostat, 8 metal guide rods, 9 sliding pieces, 10 adjusting mechanisms, 101 lead screws, 102 thread blocks, 103 gears, 104 toothed bars, 11 self-locking boxes, 12 self-locking mechanisms, 121 insertion rods, 122 permanent magnet blocks, 123 extension springs, 13 power storage boxes, 14 power storage mechanisms, 141 solar power storage columns, 142 power storage plates, 15 self-extension mechanisms, 151 electromagnetic plates, 152 permanent magnet plates, 153 photoresistors, 154 electromagnetic relays, 16-opening sliding cavities, 17-opening sliding grooves, 18 return springs, 19 grooves, 20 closing plates, 21 compression springs and 22 annular electromagnets.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-6, a civil engineering building composite pile, including stake 1 and support stake 2, stake 1 is the cavity design, and supports stake 2 and slide and set up in stake 1, fixedly connected with buffer board 3 in stake 1, and fixedly connected with a plurality of buffer spring 4 between buffer board 3 and the support stake 2, buffer board 3 and buffer spring 4 can give support stake 2 buffer protection.
The inserting pile 1 is connected with a partition plate 5 in a sliding manner, water is injected into the lower side of the partition plate 5, a plurality of extension springs 6 are fixedly connected between a buffer plate 3 and the partition plate 5, a rheostat 7 is fixedly connected to the lower end of the buffer plate 3, a metal guide rod 8 is fixedly connected to the rheostat 7, a slip sheet 9 is slidably connected to the metal guide rod 8, the slip sheet 9 is in contact connection with the rheostat 7, an adjusting mechanism 10 matched with the slip sheet 9 is arranged on the partition plate 5, the adjusting mechanism 10 comprises a lead screw 101, a threaded block 102, a gear 103 and a toothed rod 104, the lead screw 101 is rotatably arranged in the inserting pile 1, the threaded block 102 is in threaded connection with the lead screw 101, one end, away from the lead screw 101, of the threaded block 102 is fixedly connected with the slip sheet 9, the gear 103 is fixedly sleeved on the lead screw 101, the toothed rod 104 is fixedly arranged at the upper end of the partition plate 5, the toothed rod 104 is meshed with the gear 103, and the toothed rod 104 is matched with the gear 103, the force can be transmitted to the screw rod 101 by matching with the sliding of the partition plate 5, so that the screw rod 101 rotates, and the sliding of the sliding piece 9 can be regulated and controlled by matching the screw rod 101 with the thread block 102, so that the resistance value of the rheostat 7 connected into a circuit can be changed.
The screw rod 101 and the thread block 102 are both made of insulating materials so as to prevent the screw rod 101 and the thread block 102 from influencing the electric conduction of the slip sheet 9, the inserting pile 1 is fixedly sleeved with a plurality of self-locking boxes 11 from top to bottom, a self-locking mechanism 12 is arranged in each self-locking box 11, each self-locking mechanism 12 comprises an inserting rod 121, a permanent magnet 122 and a telescopic spring 123, an opening sliding cavity 16 in sliding fit with the inserting rod 121 is formed in the side wall of each self-locking box 11, the number of the inserting rods 121 is multiple, the inserting rods 121 are annularly distributed on the self-locking boxes 11, the permanent magnets 122 are fixedly arranged on the inserting rods 121, an annular electromagnet 22 matched with the permanent magnets 122 is fixedly sleeved on the inserting pile 1, the annular electromagnet 22 is fixedly connected with the permanent magnets 122 through the telescopic springs 123, the annular electromagnet 22 is connected with the permanent magnets 122 in series, and the rheostat 7 are arranged, and the permanent magnets 122 and the telescopic springs 123 are arranged so as to be matched with the magnetic strength change of the annular electromagnet 22, and the pile inserting machine can automatically stretch and retract, and further can automatically regulate and control the inserting force of the inserted pile 1 and soil.
The self-locking mechanism 12 is electrically connected with the rheostat 7, the electricity storage box 13 is sleeved on the support pile 2, the electricity storage mechanism 14 is arranged in the electricity storage box 13, the electricity storage mechanism 14 is composed of a plurality of solar electricity storage columns 141 and an electricity storage plate 142, the electricity storage box 13 is provided with an opening chute 17 in sliding fit with the solar electricity storage columns 141, the electricity storage plate 142 is arranged in the electricity storage box 13 in a sliding mode, the support pile 2 penetrates through the electricity storage plate 142, each solar electricity storage column 141 is fixedly and electrically connected with the electricity storage plate 142, through each solar electricity storage column 141, solar energy can be converted into electric energy to be stored in the electricity storage plate 142, the electric energy is provided for the annular electromagnet 22, complexity of an external power supply is avoided, and meanwhile, the electric power use cost is saved.
The electric power storage mechanism 14 is electrically connected with the rheostat 7, a self-retracting mechanism 15 matched with the electric power storage mechanism 14 is arranged in the electric power storage box 13, the self-retracting mechanism 15 comprises an electromagnetic plate 151, a permanent magnetic plate 152, a photosensitive resistor 153 and an electromagnetic relay 154, the electromagnetic plate 151 is embedded in the electric power storage box 13, the permanent magnetic plate 152 is embedded at the lower end of the electric power storage plate 142, the electromagnetic plate 151 and the permanent magnetic plate 152 are penetrated through by a supporting pile 2, a plurality of reset springs 18 are fixedly connected between the electromagnetic plate 151 and the permanent magnetic plate 152, the photosensitive resistor 153 and the electromagnetic relay 154 are fixedly arranged on one side of the electric power storage box 13, the photosensitive resistor 153, the electromagnetic relay 154 and the electromagnetic plate 151 are connected in series, the photosensitive resistor 153 and the electromagnetic plate 151 supply power through the electric power storage mechanism 14, the electromagnetic relay 154 can be automatically switched on and off according to the change of day and night illumination through the arranged photosensitive resistor 153, and further the electromagnetic relay 154 can automatically switch off and degauss the electromagnetic plate 151 at night, the energy of each return spring 18 can be released, and each solar electric storage column 141 is received in the electric storage box 13 for protection.
The operating principle of the present invention will now be described as follows:
when the outside air temperature is reduced to affect the soil inserted into the pile 1, the water inside the pile 1 freezes as the air temperature becomes lower, so that the air pressure in the space below the partition board 5 is increased, the partition board 5 drives the rack bar 104 to automatically slide upwards, the rack bar 104 drives the screw rod 101 to rotate under the transmission of the gear 103, the screw rod 101 drives the slip sheet 9 to slide through the thread block 102 in the rotating process, so as to change the position of the contact point of the slip sheet 9 and the rheostat 7, so that the length of the resistance wire of the rheostat 7 connected into the circuit is reduced, at the moment, the current led into the annular electromagnet 22 is increased, so that the magnetism of the annular electromagnet 22 is increased, at the moment, the repulsive force given to the permanent magnet block 122 by the annular electromagnet 22 overcomes the pulling force of the telescopic spring 123, so that each inserted rod 121 slides out of the open slide cavity 16 under the repulsive force of the annular electromagnet 22 to be inserted into the soil, the resistance between the inserted pile 1 and the soil is increased, and the phenomenon of frost heaving caused by the soil is avoided, so that the inserted pile 1 is pulled up.
When the air temperature further reduces, the amount of ice that appears in the water in the space of baffle 5 downside can increase, and then make the atmospheric pressure in the space of baffle 5 downside further increase, and in the same way, under the transmission of ratch 104 and gear 103, lead screw 101 can drive gleitbretter 9 again through screw thread block 102 and slide, further reduce the length of resistance wire in the rheostat 7 access circuit, further strengthen annular electromagnet 22's magnetism, and then make annular electromagnet 22 give the repulsion reinforcing of inserted bar 121, make inserted bar 121 further slide and peg graft with soil, and then further strengthen the insertion dynamics between spud 1 and soil, further improve the resistance between spud 1 and soil 1, make spud 1 can keep the stable state along with the change of air temperature all the time.
The device converts solar energy into electric energy through each solar energy storage column 141 and stores the electric energy in the storage battery 142 to provide electric energy for the annular electromagnet 22, so as to avoid the complexity of an external power supply, and save the use cost of electric power, at night, along with the weakening of external illumination, the resistance value of the photoresistor 153 will be increased, and further the current introduced by the electromagnetic relay 154 reaches the minimum value, and further the electromagnetic relay 154 is automatically switched off, so that the electromagnetic plate 151 is automatically powered off and demagnetized, the electromagnetic plate 151 does not repel the permanent magnetic plate 152, at this time, under the tensile force of each reset spring 18, the storage battery 142 will drive each solar energy storage column 141 to slide downwards to enter the storage box 13, so that each solar energy storage column 141 can be folded at night, the time of the solar energy storage column 141 contacting with external dust is reduced, and simultaneously, along with the folding of the solar energy storage column 141, the solar energy storage column 141 does not extrude the closing plate 20 any more, so that the compression spring 21 releases energy, and then every two closing plates 20 are butted with each other to close the opening sliding groove 17, and the protection strength of the solar electric power storage column 141 is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The civil engineering building combined pile comprises an inserting pile (1) and a supporting pile (2), and is characterized in that the inserting pile (1) is of a hollow design, the supporting pile (2) is arranged in the inserting pile (1) in a sliding manner, a buffer plate (3) is fixedly connected in the inserting pile (1), a plurality of buffer springs (4) are fixedly connected between the buffer plate (3) and the supporting pile (2), a partition plate (5) is connected in the inserting pile (1) in a sliding manner, water is injected into the lower side of the partition plate (5), a plurality of extension springs (6) are fixedly connected between the buffer plate (3) and the partition plate (5), a rheostat (7) is fixedly connected at the lower end of the buffer plate (3), a metal guide rod (8) is fixedly connected on the rheostat (7), a slip sheet (9) is connected on the metal guide rod (8), and the slip sheet (9) is in contact connection with the rheostat (7), be provided with on baffle (5) and gleitbretter (9) matched with adjustment mechanism (10), adjustment mechanism (10) include lead screw (101), screw block (102), gear (103) and ratch (104), lead screw (101) rotate to set up in stake (1), and screw block (102) and lead screw (101) threaded connection, screw block (102) keep away from one end and gleitbretter (9) fixed connection of lead screw (101), gear (103) are fixed to be cup jointed on lead screw (101), ratch (104) are fixed to be set up in the upper end of baffle (5), and ratch (104) and gear (103) mesh mutually, stake (1) top-down is fixed to be cup jointed a plurality of from locking box (11), and is provided with self-locking mechanism (12) in self-locking box (11), self-locking mechanism (12) and rheostat (7) electric connection, self-locking mechanism (12) include inserted bar (121), A permanent magnet (122) and a telescopic spring (123), an opening sliding cavity (16) which is in sliding fit with the inserted bar (121) is arranged on the side wall of the self-locking box (11), and the number of the inserted bars (121) is multiple, the inserted bars (121) are distributed on the self-locking box (11) in a ring shape, the permanent magnet blocks (122) are fixedly arranged on the inserted bar (121), the inserted pile (1) is fixedly sleeved with an annular electromagnet (22) matched with the permanent magnet blocks (122), and the annular electromagnet (22) is fixedly connected with the permanent magnet block (122) through a plurality of extension springs (123), the annular electromagnet (22) is connected with the rheostat (7) in series, the support pile (2) is sleeved with the electricity storage box (13), an electric storage mechanism (14) is arranged in the electric storage box (13), the electric storage mechanism (14) is electrically connected with the rheostat (7), and a self-expansion mechanism (15) matched with the power storage mechanism (14) is arranged in the power storage box (13).
2. The civil engineering and building combined pile as claimed in claim 1, wherein the electricity storage mechanism (14) comprises a plurality of solar electricity storage columns (141) and an electricity storage plate (142), the electricity storage box (13) is provided with an opening chute (17) in sliding fit with the solar electricity storage columns (141), the electricity storage plate (142) is arranged in the electricity storage box (13) in a sliding manner, the support pile (2) penetrates through the electricity storage plate (142), and each solar electricity storage column (141) is fixedly and electrically connected with the electricity storage plate (142).
3. The civil engineering and building combined pile as claimed in claim 2, wherein the self-telescoping mechanism (15) comprises an electromagnetic plate (151), a permanent magnetic plate (152), a photoresistor (153) and an electromagnetic relay (154), the electromagnetic plate (151) is embedded in the electricity storage box (13), the permanent magnetic plate (152) is embedded at the lower end of the electricity storage plate (142), the electromagnetic plate (151) and the permanent magnetic plate (152) are both penetrated through by the support pile (2), a plurality of reset springs (18) are fixedly connected between the electromagnetic plate (151) and the permanent magnetic plate (152), the photoresistor (153) and the electromagnetic relay (154) are both fixedly arranged at one side of the electricity storage box (13), and the photoresistor (153), the electromagnetic relay (154) and the electromagnetic plate (151) are connected in series.
4. A civil engineering and construction composite pile according to claim 2, characterized in that the inner walls of the two sides of the open runner (17) are provided with grooves (19), and a closing plate (20) is slidably connected in the groove (19), a plurality of compression springs (21) are fixedly connected between the closing plate (20) and the groove (19), and the two closing plates (20) can close the open runner (17).
5. A civil engineering and construction composite pile according to claim 4, characterised in that the upper end of the solar energy storage column (141) is of conical design and the side of the closure plate (20) close to the solar energy storage column (141) is of circular arc design.
6. A civil engineering construction composite pile according to claim 1, characterised in that the lead screw (101) and the threaded block (102) are both made of insulating material.
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| CN202110848708.2A CN113356184B (en) | 2021-07-26 | 2021-07-26 | Civil engineering building composite pile |
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| CN202110848708.2A CN113356184B (en) | 2021-07-26 | 2021-07-26 | Civil engineering building composite pile |
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| CN113356184B true CN113356184B (en) | 2022-08-09 |
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| CN116290986B (en) * | 2023-03-08 | 2023-10-31 | 江苏银河钢杆有限公司 | 220kV and below polygonal steel pipe pole for power transmission |
| CN115949283B (en) * | 2023-03-13 | 2023-05-16 | 国网吉林省电力有限公司辽源供电公司 | Electric pole fixing device with anti-freezing and anti-pulling functions in severe cold region |
| CN116607553B (en) * | 2023-06-27 | 2023-09-26 | 中国科学院西北生态环境资源研究院 | Rod type pile foundation capable of preventing pile body from being pulled out and working method |
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