CN208416451U - Novel hydropower vibration excitor - Google Patents
Novel hydropower vibration excitor Download PDFInfo
- Publication number
- CN208416451U CN208416451U CN201821054630.7U CN201821054630U CN208416451U CN 208416451 U CN208416451 U CN 208416451U CN 201821054630 U CN201821054630 U CN 201821054630U CN 208416451 U CN208416451 U CN 208416451U
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- Prior art keywords
- main shaft
- casing
- outside
- setting
- fixedly installed
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- 238000009434 installation Methods 0.000 claims description 2
- 230000006837 decompression Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to downhole tool technical fields, it is a kind of novel hydropower vibration excitor, it includes main shaft, upper casing, setting of casing, inner sleeve, piston and lower contact, main shaft upper outside is equipped with limited ring groove, together with main shaft is connected by key with upper casing, upper sleeve upper end is equipped with the upper land being located in limited ring groove, upper land upper end is against limited ring groove upper end, it is fixedly installed togather on the outside of upper lower end with setting of casing upper end inside, setting of casing lower end is fixedly installed togather with lower contact, outside is fixedly installed with the limiting device below upper casing in the middle part of main shaft, main shaft lower outside is equipped with outer groove.The utility model reasonable and compact in structure, it is easy to use, transmitting torque is connected by spline；Energy is stored by pressurization compression disc spring；It is released energy by decompression disc spring reset, has the characteristics that efficient, reliable and antifriction.
Description
Technical field
The utility model relates to downhole tool technical fields, are a kind of novel hydropower vibration excitors.
Background technique
As the long displacement horizontal well in oil drilling is increasing, frictional resistance is big, pressurization is difficult, tool-face is difficult to control etc.
Problem is outstanding day by day, drastically influences horizontal well drilling speed.Hydroscillator is a kind of New well drilling vibrating drag reduction tool,
Horizontal Well Drilling need to cooperate vibration excitor to realize the axial vibration of drill string into pressure oscillation is provided in the process, will be between drilling tool and the borehole wall
Stiction be converted into kinetic force of friction, reduce the frictional resistance between drilling tool and the borehole wall, bit pressure be effectively provided, reduce shaft bottom thing
Therefore.Since long displacement horizontal well drag and torque is big, drags serious problem of pressing, existing vibration excitor can not effectively realize that antifriction is dropped
Resistance.
Summary of the invention
The utility model provides a kind of novel hydropower vibration excitor, overcomes the defects of the prior art, can be effective
It solves long displacement horizontal well drag and torque greatly and drags pressure serious problems.
The technical solution of the utility model is realized by following measures: a kind of novel hydropower vibration excitor, including master
Axis, upper casing, setting of casing, inner sleeve, piston and lower contact, main shaft upper outside are equipped with limited ring groove, and main shaft and upper casing are logical
Cross key connection together, upper sleeve upper end is equipped with the upper land being located in limited ring groove, and upper land upper end is against limited ring groove
Upper end, upper lower end outside and setting of casing upper end inside are fixedly installed togather, and setting of casing lower end and lower contact are fixedly mounted
Together；Outside is fixedly installed with the limiting device below upper casing in the middle part of main shaft, and main shaft lower outside is equipped with outer groove,
The main shaft lower outside of position is set with the inner sleeve that upper end is against on lower end face between corresponding setting of casing and main shaft, interior
The interior land being located in outer groove is equipped on the inside of lower end, the main shaft lower outside set of position between corresponding setting of casing and main shaft
It is against the spring on interior land lower end surface equipped with upper end, the main shaft lower outside of position is set between corresponding setting of casing and main shaft
Piston below spring, corresponding piston lower position main shaft lower end outside are fixedly installed with adjustment device.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned limiting device can be split snap ring, and split snap ring includes two opening opposite semicircle rings, split snap ring inside
Equipped with the keyway to match with main shaft, outside is fixedly installed with split snap ring in the middle part of main shaft.
Above-mentioned adjustment device can be adjusting nut, and adjusting nut and main shaft lower end, which are connected through a screw thread, is fixedly mounted on one
It rises.
Above-mentioned spring can be disc spring.
Above-mentioned upper land can be equipped at least one O-ring seals between limited ring groove；It is equipped between piston and setting of casing
At least one O-ring seals.
Together with above-mentioned main shaft can be keyed with upper casing by spline；On the outside of upper lower end and on the inside of setting of casing upper end
It is connected through a screw thread and is fixedly installed togather；Fixed installation is connected through a screw thread on the outside of setting of casing lower end inside and lower contact upper end
Together；Main shaft lower outside, which is connected through a screw thread, is fixedly installed with piston.
The utility model reasonable and compact in structure, it is easy to use, transmitting torque is connected by spline；Dish is compressed by pressurization
Spring stores energy；It is released energy by decompression disc spring reset, has the characteristics that efficient, reliable and antifriction.
Detailed description of the invention
Attached drawing 1 is the main view half section schematic of the best embodiment of the utility model.
Attached drawing 2 is partial enlargement structural representation of the attached drawing 1 at A.
Coding in attached drawing is respectively as follows: 1 for main shaft, and 2 be upper casing, and 3 be setting of casing, and 4 be inner sleeve, and 5 be piston, and 6 are
Lower contact, 7 be limited ring groove, and 8 be upper land, and 9 be outer groove, and 10 be interior land, and 11 be split snap ring, and 12 be adjusting nut,
13 be disc spring, and 14 be O-ring seals, and 15 be spline.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,2, which includes main shaft 1, upper casing 2, setting of casing 3, inner sleeve 4, piston 5
With lower contact 6,1 upper outside of main shaft is equipped with limited ring groove 7, together with main shaft 1 is connected by key with upper casing 2, on upper casing 2
End is equipped with the upper land 8 being located in limited ring groove 7, and upper 8 upper end of land is against 7 upper end of limited ring groove, upper 2 lower end outside of casing
It is fixedly installed togather with 3 upper end of setting of casing inside, 3 lower end of setting of casing is fixedly installed togather with lower contact 6；1 middle part of main shaft
Outside is fixedly installed with the limiting device positioned at upper 2 lower section of casing, and 1 lower outside of main shaft is equipped with outer groove 9, corresponding setting of casing 3
1 lower outside of main shaft of position is set with the inner sleeve 4 that upper end is against on upper 2 lower end surface of casing, inner sleeve 4 between main shaft 1
Lower end inside is equipped with the interior land 10 being located in outer groove 9,1 lower outside of main shaft of position between corresponding setting of casing 3 and main shaft 1
It is set with the spring that upper end is against on interior 10 lower end surface of land, between corresponding setting of casing 3 and main shaft 1 outside 1 lower part of main shaft of position
Side is set with the piston 5 below spring, and corresponding 5 lower position main shaft of piston, 1 lower end outside is fixedly installed with adjustment device.
In use, the utility model upper end is linked together with drill string, the utility model lower end and hydroscillator is connected
It is connected together, when construction operation, water conservancy oscillator generates pressure oscillation, acts on main shaft 1 and adjustment device end face and piston 5
On, push piston 5 and main shaft 1 to move upwards when pressure rise, to drive drill string to move up, due to 4 upper end of inner sleeve
It is against on 2 lower end surface of casing, so spring stores energy after being compressed, when limit assembly upper end arrives to upper 2 lower end surface of casing
When, the stopping of main shaft 1 moves up；When pressure decreases, spring, which releases energy, pushes piston 5 and main shaft 1 to move downward, until extensive
Multiple initial position, i.e., upper 8 upper end of land are against 7 upper end of limited ring groove.The axial direction that drill string can be realized by adjusting pressure is past
Multiple movement.The utility model reasonable and compact in structure, easy to use, the mode being connected by key can transmit torque；By adding
Compressed spring is pressed to store energy；It is released energy by being depressured spring reset, has the characteristics that efficient, reliable and antifriction.
Above-mentioned novel hydropower vibration excitor can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, limiting device is split snap ring 11, and split snap ring 11 includes two opening opposite semicircle rings,
The keyway to match with main shaft 1 is equipped on the inside of split snap ring 11,1 middle part outside of main shaft is fixedly installed with split snap ring 11.Make
With in the process, when being carried out to the utility model, upper casing 2 need to be up packed into from 1 lower part of main shaft, so using split snap ring
11, split snap ring 11 can be installed again after upper casing 2 is packed into main shaft 1 and it is limited, split snap ring 11 ties up reality by iron wire
The clearance fit of split snap ring 11 and main shaft 1 is realized in the fixation of existing two semicircle interannulars.
As shown in attached drawing 1,2, adjustment device is adjusting nut 12, and adjusting nut 12 is connected through a screw thread with 1 lower end of main shaft
It is fixedly installed togather.In use, by mounting and adjusting nut 12 be conveniently adjusted piston 5 position and spring it is pre-
Clamp force.
As shown in attached drawing 1,2, spring is disc spring 13.In use process, disc spring 13 has good buffering damping capaicty, by
It is acted in skin friction resistance, the effect for absorbing impact and dissipation energy is more significant.
As shown in attached drawing 1,2, at least one O-ring seals 14 is equipped between upper land 8 and limited ring groove 7；Piston 5 is under
At least one O-ring seals 14 is equipped between casing 3.In use process, O-ring seals 14 are installed in different location, guarantee this
Leakproofness between the practical each component in inside.
As shown in attached drawing 1,2, main shaft 1 is together with upper casing 2 is by the key connection of spline 15；Upper 2 lower end outside of casing with
It is connected through a screw thread and is fixedly installed togather on the inside of 3 upper end of setting of casing；It is logical on the outside of 3 lower end inside of setting of casing and 6 upper end of lower contact
Threaded connection is crossed to be fixedly installed togather；1 lower outside of main shaft, which is connected through a screw thread, is fixedly installed with piston 5.In use process,
Have the characteristics that transmitting torque effect is good, contacting surface product is big and bearing capacity is high using 15 connecting key connection type of spline；Using spiral shell
Line connection is fixedly connected with mode, is easily installed and dismantles.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (10)
1. a kind of novel hydropower vibration excitor, it is characterised in that including main shaft, upper casing, setting of casing, inner sleeve, piston and under connect
Head, main shaft upper outside is equipped with limited ring groove, and together with main shaft is connected by key with upper casing, upper sleeve upper end, which is equipped with, is located at limit
Upper land in the annular groove of position, upper land upper end are against limited ring groove upper end, upper lower end outside and setting of casing upper end inside
It is fixedly installed togather, setting of casing lower end is fixedly installed togather with lower contact；Outside is fixedly installed with positioned at upper in the middle part of main shaft
Limiting device below casing, main shaft lower outside are equipped with outer groove, the main shaft lower part of position between corresponding setting of casing and main shaft
Outer sheath is against the inner sleeve on lower end face equipped with upper end, and inner sleeve lower end inside is equipped with the inner ring being located in outer groove
Platform, the main shaft lower outside of position is set with the spring that upper end is against on interior land lower end surface between corresponding setting of casing and main shaft,
The main shaft lower outside of position is set with the piston below spring, orientation under corresponding piston between corresponding setting of casing and main shaft
It sets main shaft lower end outside and is fixedly installed with adjustment device.
2. novel hydropower vibration excitor according to claim 1, it is characterised in that limiting device can be split snap ring, split card
Ring includes two opening opposite semicircle rings, and the keyway to match with main shaft is equipped on the inside of split snap ring, and outside is fixed in the middle part of main shaft
Split snap ring is installed.
3. novel hydropower vibration excitor according to claim 1 or 2, it is characterised in that adjustment device is adjusting nut, adjustment
Nut is connected through a screw thread with main shaft lower end and is fixedly installed togather.
4. novel hydropower vibration excitor according to claim 1 or 2, it is characterised in that spring is disc spring.
5. novel hydropower vibration excitor according to claim 3, it is characterised in that spring is disc spring.
6. novel hydropower vibration excitor described according to claim 1 or 2 or 5, it is characterised in that between upper land and limited ring groove
Equipped at least one O-ring seals；At least one O-ring seals is equipped between piston and setting of casing.
7. novel hydropower vibration excitor according to claim 3, it is characterised in that be equipped with extremely between upper land and limited ring groove
Few O-ring seals；At least one O-ring seals is equipped between piston and setting of casing.
8. novel hydropower vibration excitor according to claim 4, it is characterised in that be equipped with extremely between upper land and limited ring groove
Few O-ring seals；At least one O-ring seals is equipped between piston and setting of casing.
9. novel hydropower vibration excitor described according to claim 1 or 2 or 5 or 7 or 8, it is characterised in that main shaft and upper casing are logical
Cross spline key connection together；It is connected through a screw thread and is fixedly installed togather with setting of casing upper end inside on the outside of upper lower end；
It is connected through a screw thread and is fixedly installed togather on the outside of setting of casing lower end inside and lower contact upper end；Main shaft lower outside passes through screw thread
It is connected and fixed and piston is installed.
10. novel hydropower vibration excitor according to claim 6, it is characterised in that main shaft and upper casing are keyed by spline
Together；It is connected through a screw thread and is fixedly installed togather with setting of casing upper end inside on the outside of upper lower end；In setting of casing lower end
It is connected through a screw thread and is fixedly installed togather on the outside of side and lower contact upper end；Main shaft lower outside is connected through a screw thread fixed installation
There is piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054630.7U CN208416451U (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibration excitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054630.7U CN208416451U (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibration excitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416451U true CN208416451U (en) | 2019-01-22 |
Family
ID=65124390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821054630.7U Withdrawn - After Issue CN208416451U (en) | 2018-07-04 | 2018-07-04 | Novel hydropower vibration excitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208416451U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678673A (en) * | 2018-07-04 | 2018-10-19 | 中国石油集团西部钻探工程有限公司 | Novel hydropower vibrator |
| CN113294104A (en) * | 2021-06-04 | 2021-08-24 | 广州海洋地质调查局 | Hydrate pulse jet oscillation tool |
-
2018
- 2018-07-04 CN CN201821054630.7U patent/CN208416451U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678673A (en) * | 2018-07-04 | 2018-10-19 | 中国石油集团西部钻探工程有限公司 | Novel hydropower vibrator |
| CN108678673B (en) * | 2018-07-04 | 2024-09-10 | 中国石油天然气集团有限公司 | Novel hydraulic vibration exciter |
| CN113294104A (en) * | 2021-06-04 | 2021-08-24 | 广州海洋地质调查局 | Hydrate pulse jet oscillation tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201104 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 directional well company 98, Youyi Road, Karamay District, Karamay, the Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20240910 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20240910 |