CN109681139B - Hydraulic power-assisted screwing-on and screwing-off device - Google Patents
Hydraulic power-assisted screwing-on and screwing-off device Download PDFInfo
- Publication number
- CN109681139B CN109681139B CN201910001127.8A CN201910001127A CN109681139B CN 109681139 B CN109681139 B CN 109681139B CN 201910001127 A CN201910001127 A CN 201910001127A CN 109681139 B CN109681139 B CN 109681139B
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- speed reducer
- flange plate
- driving
- driving end
- upper unloading
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 44
- 230000000670 limiting effect Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the field of disassembly and assembly of rotary blowout preventer rotary assemblies, in particular to a hydraulic power-assisted screwing-on and unscrewing device which at least comprises a driving part, a flange plate, a limiting part and an upper unloading part, wherein the flange plate is detachably connected outside a driving end of the driving part, the limiting part is perpendicular to the flange plate and is detachably connected to the flange plate, one end of the upper unloading part is connected with the driving end of the driving part, the upper unloading part is positioned in the limiting part, and the other end of the upper unloading part extends out of the limiting part. According to the invention, the hydraulic motor is used as power, the two-stage vertical pin wheel speed reducer is used as a force increasing mechanism, and the hexagonal transmission shaft and the mechanical wrench with the hexagonal hole are matched, so that the mechanical and automatic operation of mounting and dismounting the rotating assembly is realized, the working efficiency is greatly improved, and the working risk is reduced.
Description
Technical Field
The invention relates to the field of disassembly and assembly of rotary assemblies of rotary blowout preventers, in particular to a hydraulic power-assisted screwing-on and screwing-off device.
Background
At present, the maintenance of the rotating assembly mainly depends on manpower, and a manual special spanner is adopted for disassembly and installation. The newly processed rotating assembly is generally finished by using a manual installation method when a user is on or off, 2-3 persons are required to fix the newly processed rotating assembly on a manual special spanner by using a stress application rod of 1-1.5 meters, and the working efficiency is low; when the old rotating assembly is disassembled, 4-6 people are generally required to fix the old rotating assembly on the manual special spanner by using a stress application rod of more than 3 meters, the old rotating assembly can be just fashionably assembled when encountering tighter threads, and the rotating assembly can not be maintained when being disassembled.
To address this problem, there is a need for an apparatus that can be disassembled from the rotating blowout preventer rotating assembly. .
Disclosure of Invention
The invention provides a hydraulic power-assisted shackle lifting device, which takes a hydraulic motor as power to assist in disassembling a rotating assembly to replace manual disassembly of the rotating assembly, so that the working efficiency can be improved, and the problem of difficult disassembly is solved.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
the utility model provides a hydraulic pressure helping hand is gone up and is unloaded knot device, includes drive division, ring flange, spacing portion and is gone up and unload the portion at least, the ring flange can dismantle the drive end of connecting outside drive division, spacing portion perpendicular to ring flange can dismantle the connection on the ring flange, it is connected with drive division drive end to go up to unload portion one end, go up to unload the position and be located in the spacing portion, and go up to unload the portion other end and extend spacing portion.
The driving part consists of a hydraulic motor and a speed reducer, the speed reducer is arranged at the driving end of the hydraulic motor, the driving end of the hydraulic motor is connected with the power input end of the speed reducer, the driving end of the speed reducer is connected with the upper unloading part, the flange plate is detachably connected to one side of the driving end of the speed reducer, the upper unloading part is arranged between the flange plates, the limiting part is detachably connected to the flange plate, and the upper unloading part is arranged between the limiting parts.
The speed reducer is a two-stage vertical pin wheel speed reducer.
The limiting part consists of a fixed cylinder, an anti-rotation pin for the shaft and an anti-rotation pin for the outer cylinder, the bottom end of the fixed cylinder is detachably connected with the flange, the anti-rotation pin is inserted on the flange, the outer circumferential surface of the fixed cylinder is inserted with the anti-rotation pin for the outer cylinder, the fixed cylinder coincides with the axis of the driving end of the speed reducer, and the upper unloading part is positioned at the axis of the fixed cylinder.
Two pairs of plugboards are equidistantly arranged at the bottom end of the fixed cylinder, slots are correspondingly arranged on the flange plate, and the plugboards are inserted into the slots.
The anti-rotation pins for the shaft are at least two, and are distributed on the flange plate at equal intervals by taking the driving end of the speed reducer as the circle center.
The anti-rotation pins for the outer cylinders are distributed on the outer wall surface of the fixed cylinder at equal intervals by taking the driving end of the speed reducer as the center of a circle, and the axes of the anti-rotation pins for each two outer cylinders are coincident.
The upper unloading part consists of a hexagonal transmission shaft and a wrench for a machine, one end of the hexagonal transmission shaft is provided with a nested hole, the hexagonal transmission shaft is connected with the driving end of the speed reducer through the nested hole, a pin key is arranged between the hexagonal transmission shaft and the driving end of the speed reducer, and the other end of the hexagonal transmission shaft extends out of the wrench for the machine of the limit part.
The machine spanner is provided with a shackle screw.
The beneficial effects of the invention are as follows: the hydraulic motor is used as a power source, the two-stage vertical pin wheel speed reducer is used as a force increasing mechanism, and the hydraulic motor is matched with the hexagonal transmission shaft and the mechanical wrench with the hexagonal hole, so that the mechanical and automatic operation of mounting and dismounting the rotating assembly is realized, the working efficiency is greatly improved, and the working risk is reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the connection threads of a dump shaft on a rotary assembly of the present invention.
FIG. 3 is a schematic view of the connection threads of the outer cylinder of the rotary assembly of the present invention.
FIG. 4 is an enlarged view of a portion of a schematic of the connection threads of the outer barrel of the swivel assembly of the present invention.
Fig. 5 is a clearance fit view of the hexagonal drive shaft and machine wrench of the present invention.
Fig. 6 is a schematic view of a card board at the bottom of the holding cylinder of the present invention.
FIG. 7 is a schematic diagram of a slot of a flange of the present invention.
In the figure: 1-a flange plate; 2-a hydraulic motor; 3-a speed reducer; 4-fixing the cylinder; 5-a rotation-preventing pin for the shaft; 6-the outer cylinder is with the anti-rotation pin; 7-inserting plates; 8-slots; 9-hexagonal transmission shafts; 10-wrench for machine; 11-a wrench connecting pin; 12-rotating assembly.
Detailed Description
Example 1:
referring to fig. 1 to 3, which are schematic structural views of embodiment 1 of the present invention, a hydraulic booster shackle device is characterized in that: the automatic discharging device at least comprises a driving part, a flange plate 1, a limiting part and an upper discharging part, wherein the flange plate 1 is detachably connected outside the driving end of the driving part, the limiting part is perpendicular to the flange plate 1 and detachably connected to the flange plate 1, one end of the upper discharging part is connected with the driving end of the driving part, the upper discharging part is arranged in the limiting part, and the other end of the upper discharging part extends out of the limiting part.
When in actual use, the method comprises the following steps: firstly, the rotating assembly 12 is arranged on the flange plate 1, the rotating assembly is internally connected with the upper unloading part, the outside of the rotating assembly 12 is limited through the limiting part, then the upper unloading part is driven to rotate through the driving end of the driving part, the upper unloading part rotates to drive the inside of the rotating assembly 12 to rotate, and meanwhile, the outside of the rotating assembly 12 is limited to rotate through the limiting part, so that a screwing piece of the rotating assembly 12 is unscrewed.
Example 2:
on the basis of embodiment 1, referring to fig. 1 to 3, this embodiment is different in that: the driving part consists of a hydraulic motor 2 and a speed reducer 3, the driving end of the hydraulic motor 2 is provided with the speed reducer 3, the driving end of the hydraulic motor 2 is connected with the power input end of the speed reducer 3, the driving end of the speed reducer 3 is connected with an upper unloading part, the flange plate 1 is detachably connected to one side of the driving end of the speed reducer 3, the upper unloading part is positioned between the flange plates 1, the limiting part is detachably connected to the flange plate 1, and the upper unloading part is positioned between the limiting parts.
The speed reducer 3 is a two-stage vertical pin wheel speed reducer
When in actual use, the method comprises the following steps: the hydraulic motor 2 is started, the driving end of the hydraulic motor 2 transmits power to the power input end of the speed reducer 3, the speed reducer 3 is enabled to operate, then the upper unloading part is driven to rotate through the driving end of the speed reducer 3, meanwhile, the flange plate 1 is connected with the limiting part and the shell of the speed reducer 3, the limiting part cannot follow and dazzle, then the rotating assembly 12 is limited to rotate outside through the limiting part, and then screwing parts in the rotating assembly 12 are detached through the upper unloading part.
The driving part adopts a hydraulic motor as power output, so that stronger power can be provided.
The two-stage vertical pin wheel speed reducer is a force increasing mechanism, and the structure is simplified on the premise of meeting the force increasing requirement.
Example 3:
on the basis of embodiment 1, referring to fig. 1 to 3, the limit part is composed of a fixed cylinder 4, an anti-rotation pin 5 for a shaft and an anti-rotation pin 6 for an outer cylinder, the bottom end of the fixed cylinder 4 is detachably connected with a flange plate 1, the anti-rotation pin 5 for the shaft is inserted on the flange plate 1, the anti-rotation pin 6 for the outer cylinder is inserted on the outer circumferential surface of the fixed cylinder 4, the fixed cylinder 4 coincides with the axis of the driving end of the speed reducer 3, and the loading part is positioned at the axis of the fixed cylinder 4.
When in actual use, the method comprises the following steps: the rotating assembly 12 is seated on the flange plate 1,
when the upper discharge part drives the rotation assembly 12 to rotate,
the shaft hole seat at the bottom of the rotating assembly 12 is sleeved on the shaft anti-rotation pin 5, so that the torque of the upper shackle can be counteracted when the threads connected with the rotating shaft are dismounted through the shaft anti-rotation pin 5, and meanwhile, the outer cylinder anti-rotation pin 6 is dismounted when the threads connected with the shaft are dismounted.
Since the outer cylinder anti-rotation pin 6 is inserted from the outer wall surface of the fixed cylinder 4 and is inserted into the outer cylinder of the rotating assembly 12, when the connecting screw thread of the outer cylinder of the rotating assembly 12 is removed from the upper part, the outer cylinder of the rotating assembly 12 and the fixed cylinder 4 can be fixed by the outer cylinder anti-rotation pin 6, and the torque of the upper part is counteracted.
Example 4:
on the basis of embodiment 3, referring to fig. 2, 3, 6 and 7, two pairs of inserting plates 7 are equidistantly arranged at the bottom end of the fixed cylinder 4, slots 8 are correspondingly arranged on the flange plate 1, and the inserting plates 7 are inserted into the slots.
The anti-rotation pins 5 for the shaft are at least two, and the anti-rotation pins 5 for the shaft are equidistantly distributed on the flange plate 1 by taking the driving end of the speed reducer 3 as the circle center.
The anti-rotation pins 6 for the outer cylinders are at least two, the anti-rotation pins 6 for the outer cylinders are distributed on the outer wall surface of the fixed cylinder 4 at equal intervals by taking the driving end of the speed reducer 3 as the circle center, and the axes of the anti-rotation pins 6 for each two outer cylinders are coincident.
When in actual use, the method comprises the following steps: the fixed cylinder 4 is inserted in the slot 8 through the insertion plate 7, so that the fixed cylinder 4 is connected to the flange plate 1, and the fixed cylinder 4 and the flange plate 1 are in quick-insertion connection structure, simple and reliable, and convenient to detach and install.
The anti-rotation pin 5 for the shaft is used for better and more stable limiting effect when the rotation assembly 12 is used for disassembling the screw thread connected with the shaft.
When the anti-rotation pin 6 for the outer cylinder is used for rotating the assembly 12 to discharge the connecting threads of the outer cylinder, two or more limiting effects are better and more stable, and the stress of the anti-rotation pin 6 for the outer cylinder is uniform and more stable through the superposition of the axes of the anti-rotation pin 6 for the outer cylinder.
Example 5:
on the basis of embodiment 1, referring to fig. 1 to 5, the upper unloading part is composed of a hexagonal transmission shaft 9 and a wrench 10 for a machine, one end of the hexagonal transmission shaft 9 is provided with a nested hole, the hexagonal transmission shaft 9 is connected with the driving end of the speed reducer 3 through the nested hole, a pin key is arranged between the hexagonal transmission shaft and the driving end of the speed reducer 3, and the other end of the hexagonal transmission shaft 9 extends out of the wrench 10 for the machine for a limiting part.
The wrench 10 is provided with a wrench connecting pin 11.
When in actual use, the method comprises the following steps: the rotary assembly 12 is sleeved outside the hexagonal transmission shaft 9, one end of the rotary assembly 12 is in contact with the flange plate 1, the machine wrench 10 is sleeved on the hexagonal transmission shaft 9 and connected with the other end of the rotary assembly 12 through the wrench connecting pin 11, and when the drive end of the drive part drives the hexagonal transmission shaft 9 to rotate, threads connected with the rotary assembly 12 are dismounted at the moment.
When the screw thread connected with the outer cylinder of the rotating assembly 12 is dismounted, the machine wrench 10 is turned over and sleeved on the hexagonal transmission shaft 9, then the clamping block of the machine wrench 10 is clamped with the rotating assembly 12, then the hexagonal transmission shaft 9 is driven to rotate through the driving end of the driving part, and the hexagonal transmission shaft 9 rotates to drive the machine wrench 10 to rotate, so that the dismounting can be completed.
The hexagonal transmission shaft 9 transmits the shackle torque by utilizing a hexagonal structure, runs stably and can compensate the change of axial distance in the shackle process.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present invention, which is within the scope of the present invention.
Claims (5)
1. The utility model provides a hydraulic pressure helping hand device of breaking out on, its characterized in that: the automatic lifting device at least comprises a driving part, a flange plate (1), a limiting part and an upper unloading part, wherein the flange plate (1) is detachably connected outside the driving end of the driving part, the limiting part is perpendicular to the flange plate (1) and is detachably connected to the flange plate (1), one end of the upper unloading part is connected with the driving end of the driving part, the upper unloading part is positioned in the limiting part, and the other end of the upper unloading part extends out of the limiting part;
the driving part consists of a hydraulic motor (2) and a speed reducer (3), the driving end of the hydraulic motor (2) is provided with the speed reducer (3), the driving end of the hydraulic motor (2) is connected with the power input end of the speed reducer (3), the driving end of the speed reducer (3) is connected with an upper unloading part, the flange plate (1) is detachably connected to one side of the driving end of the speed reducer (3), the upper unloading part is arranged between the flange plates (1), the limiting part is detachably connected to the flange plate (1), and the upper unloading part is arranged between the limiting parts;
the limiting part consists of a fixed cylinder (4), an anti-rotation pin (5) for a shaft and an anti-rotation pin (6) for an outer cylinder, wherein the bottom end of the fixed cylinder (4) is detachably connected with a flange plate (1), the anti-rotation pin (5) for the shaft is inserted on the flange plate (1), the anti-rotation pin (6) for the outer cylinder is inserted on the outer circumferential surface of the fixed cylinder (4), the axis of the fixed cylinder (4) coincides with the axis of the driving end of the speed reducer (3), and the upper unloading part is positioned at the axis of the fixed cylinder (4);
the upper unloading part consists of a hexagonal transmission shaft (9) and a wrench (10) for a machine, one end of the hexagonal transmission shaft (9) is provided with a nested hole, the hexagonal transmission shaft (9) is connected with the driving end of the speed reducer (3) through the nested hole, a pin key is arranged between the hexagonal transmission shaft and the driving end of the speed reducer (3), and the other end of the hexagonal transmission shaft (9) extends out of the wrench (10) for a limit part sleeving machine;
the wrench (10) for the machine is provided with a wrench connecting pin (11).
2. A hydraulic booster pull-up and pull-down device according to claim 1, characterized in that: the speed reducer (3) is a two-stage vertical pin wheel speed reducer.
3. A hydraulic booster pull-up and pull-down device according to claim 1, characterized in that: two pairs of inserting plates (7) are equidistantly arranged at the bottom end of the fixed cylinder (4), slots (8) are correspondingly formed in the flange plate (1), and the inserting plates (7) are inserted into the slots.
4. A hydraulic booster pull-up and pull-down device according to claim 1, characterized in that: the anti-rotation pins (5) for the shaft are at least two, and the anti-rotation pins (5) for the shaft are equidistantly distributed on the flange plate (1) by taking the driving end of the speed reducer (3) as the circle center.
5. A hydraulic booster pull-up and pull-down device according to claim 1, characterized in that: the anti-rotation pins (6) for the outer cylinders are at least two, the anti-rotation pins (6) for the outer cylinders are distributed on the outer wall surface of the fixed cylinder (4) at equal intervals by taking the driving end of the speed reducer (3) as the center of a circle, and the axes of every two anti-rotation pins (6) for the outer cylinders are coincident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001127.8A CN109681139B (en) | 2019-01-02 | 2019-01-02 | Hydraulic power-assisted screwing-on and screwing-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001127.8A CN109681139B (en) | 2019-01-02 | 2019-01-02 | Hydraulic power-assisted screwing-on and screwing-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681139A CN109681139A (en) | 2019-04-26 |
| CN109681139B true CN109681139B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001127.8A Active CN109681139B (en) | 2019-01-02 | 2019-01-02 | Hydraulic power-assisted screwing-on and screwing-off device |
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| Country | Link |
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| CN (1) | CN109681139B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544421U (en) * | 1991-11-26 | 1993-06-15 | 西日本プラント工業株式会社 | Large nut removal device |
| CN104191224A (en) * | 2014-09-11 | 2014-12-10 | 郑州贝龙液压技术有限公司 | Movable detaching vehicle special for flange of large mill |
| CN206287094U (en) * | 2016-12-14 | 2017-06-30 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of rotating blowout preventer removes and installs special spanner |
| CN107965285A (en) * | 2017-11-27 | 2018-04-27 | 中国石油集团渤海钻探工程有限公司 | A kind of train is driven continuous booster-type electric hydaulic bridge plug setting tool |
| CN209523722U (en) * | 2019-01-02 | 2019-10-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Shackle device in a kind of fluid pressure type power-assisted |
-
2019
- 2019-01-02 CN CN201910001127.8A patent/CN109681139B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544421U (en) * | 1991-11-26 | 1993-06-15 | 西日本プラント工業株式会社 | Large nut removal device |
| CN104191224A (en) * | 2014-09-11 | 2014-12-10 | 郑州贝龙液压技术有限公司 | Movable detaching vehicle special for flange of large mill |
| CN206287094U (en) * | 2016-12-14 | 2017-06-30 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of rotating blowout preventer removes and installs special spanner |
| CN107965285A (en) * | 2017-11-27 | 2018-04-27 | 中国石油集团渤海钻探工程有限公司 | A kind of train is driven continuous booster-type electric hydaulic bridge plug setting tool |
| CN209523722U (en) * | 2019-01-02 | 2019-10-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Shackle device in a kind of fluid pressure type power-assisted |
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| Publication number | Publication date |
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| CN109681139A (en) | 2019-04-26 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201203 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 710018 Shaanxi city of Xi'an province Weiyang District four road Fengcheng Changqing Technology Building Applicant before: CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED ENGINEERING TECHNOLOGY Research Institute |
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