CN202745742U - Three-jaw Chuck Type Wellhead Elevator - Google Patents
Three-jaw Chuck Type Wellhead Elevator Download PDFInfo
- Publication number
- CN202745742U CN202745742U CN 201220300237 CN201220300237U CN202745742U CN 202745742 U CN202745742 U CN 202745742U CN 201220300237 CN201220300237 CN 201220300237 CN 201220300237 U CN201220300237 U CN 201220300237U CN 202745742 U CN202745742 U CN 202745742U
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- chuck body
- slide block
- bevel gear
- block
- toothed disc
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 9
- 210000003746 feather Anatomy 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
A three-jaw chuck type wellhead elevator is applied to oil well maintenance and oil pipe tripping. Is characterized in that: the inner bottom surface of the chuck body is provided with a bearing, and a gear disc is fixed through the bearing. Three sliding mechanisms are arranged on the chuck body, and the three sliding mechanisms form a radial shape and are uniformly distributed on the chuck body; the sliding mechanism consists of a sliding block and a movable jaw, and the plane thread on the bottom surface of the sliding block is meshed with the plane thread on the upper surface of the gear disc; the movable clamping jaw is vertically fixed on the upper surface of the sliding block; a fixed jaw is arranged on the arc surface at one side of the opposite center of the movable jaw; the small bevel gear is fixed on the side wall of the chuck body through a bearing seat and is meshed with the large bevel gear of the gear disc; the small bevel gear is connected with a hydraulic motor. The hydraulic motor can drive the small bevel gear to rotate, the large bevel gear rotates along with the small bevel gear, and the plane threads on the front face of the gear disc enable the three movable clamping jaws to simultaneously approach or withdraw from the center, so that the purposes of clamping and loosening the oil pipe are achieved.
Description
Technical field
The utility model relates to the oil well technical field, and particularly a kind of well head special tool of oil field well lower oil tube operation is a kind of scroll chuck formula wellhead lifting-clamping.
Background technology
At present, oilfield downhole operation team adopts two elevator operating types to carry out lower oil tube, and this operating type needs operating personnel repeatedly to switch elevator, and workload is heavy.And, in case that the operating personnel of well head cooperates with the workover rig operating personnel is bad, the single-ring accident very easily occurs to hang, can cause the pipe column falling well when serious, even have influence on personal safety.
The utility model content
The purpose of this utility model is: a kind of scroll chuck formula wellhead lifting-clamping is provided.The blowout preventer of this elevator and well head is bolted, and is easy to operate, quick, can reduce workman's labour intensity, the quantity that reduces the well head operating personnel, the operation of the single elevator lower oil tube of realization.
The technical solution adopted in the utility model is: scroll chuck formula wellhead lifting-clamping, main chuck body, toothed disc, slide block, movable jaw, block teeth groove, pincers tooth, wiper block, bevel pinion, bevel gear wheel and hydraulic motor form, it is characterized in that: chuck body is circular shell, there is screw the chuck body baseplane, can be connected by bolt with the blowout preventer of well head; Slideway is arranged in chuck body, be fixed with toothed disc by the slideway in the chuck body; Bevel gear wheel is arranged below the toothed disc, and the upper surface of toothed disc has flat thread.At chuck body three slide mechanisms are arranged, three skate machines consist of radial being evenly distributed on the chuck body; Slide mechanism is comprised of slide block and movable jaw, and slide block is cuboid, and there is flat thread the bottom surface of slide block, and the flat thread of the flat thread of slide block bottom surface and toothed disc upper surface is intermeshing; There is feather key the both sides of slide block, and the feather key of slide block both sides is embedded in the slideway of chuck body upper surface, and slide block can slide; Movable jaw is vertically fixed on the upper surface of slide block; One side surface at the relative center of three movable jaws is arc surface, is processed with the block teeth groove at the arc surface of the relative center of movable jaw one side, in the block teeth groove by sunk screw fixing pincers tooth respectively; The symmetrical wiper block that circular arc is arranged respectively in the two sides of movable jaw; Wiper block plays the effect of righting oil pipe.Sidewall at chuck body has circular hole, and the axle of bevel pinion passes the circular hole on the chuck body sidewall and is fixed on the chuck body sidewall by bearing support, the engagement of the bevel gear wheel of bevel pinion and toothed disc; At the output shaft of the outer end of small coning gear shaft connecting fluid pressure motor, hydraulic motor is fixed on the sidewall of chuck body.
Circular arc wiper block on described three movable jaws is distributed on the differing heights, can the righting oil pipe when the wellhead column deflection.
Movable jaw rely on upper surface, arc-shaped surface and three positions of fixing pincers tooth to oil pipe support, clamping, locking.
The beneficial effects of the utility model: the utility model scroll chuck formula wellhead lifting-clamping, can realize the operation of single elevator lower oil tube.When three claws are done radial center and are moved, rely on its upper surface, cambered surface and three positions of pincers tooth to tubing string support, lock, fixing.Do not need operating personnel repeatedly to switch elevator, decrease labour intensity, realized the operation of single elevator lower oil tube.Reduce well head operating personnel's quantity, can improve the safety of construction.Can realize the rountrip of different size pipe, roofbolt by changing the pincers tooth.
Description of drawings
Fig. 1 is the schematic diagram of the utility model scroll chuck formula wellhead lifting-clamping clamping oil pipe 12.
Fig. 2 is the transfer principle figure of scroll chuck formula wellhead lifting-clamping.
Among the figure, the 1-chuck body, the 2-toothed disc, the 3-slide block, the 4-movable jaw, 5-block teeth groove, 6-clamps tooth, 7-wiper block, 8-bevel pinion, 9-bevel gear wheel, 10-flat thread, 11-hydraulic motor, 12-oil pipe.
The specific embodiment
Embodiment 1: take a scroll chuck formula wellhead lifting-clamping clamping oil pipe as example, the utility model is described in further detail.
Consult Fig. 1.The utility model scroll chuck formula wellhead lifting-clamping, main chuck body 1, toothed disc 2, slide block 3, movable jaw 4, block teeth groove 5, pincers tooth 6, wiper block 7, bevel pinion 8, bevel gear wheel 9 and hydraulic motor 11 form.Chuck body 1 is circular shell, and there is screw chuck body 1 baseplane, can be connected by bolt with the blowout preventer of well head.In chuck body 1, slideway is arranged, be fixed with toothed disc 2 by the slideway in the chuck body 1; Toothed disc 2 can be in chuck body 1 interior rotation.Consult Fig. 2.There is bevel gear wheel 9 the following outer of toothed disc 2, and the upper surface of toothed disc 2 has flat thread 10.Consult Fig. 1.At chuck body 1 three slide mechanisms are arranged, three skate machines consist of radial being evenly distributed on the chuck body 1.Consult Fig. 2.Slide mechanism is comprised of slide block 3 and movable jaw 4, and slide block 3 is cuboid, and there is flat thread the bottom surface of slide block 3, and the flat thread 10 of the flat thread of slide block 3 bottom surfaces and toothed disc 2 upper surfaces is intermeshing.Consult Fig. 1.There is feather key the both sides of slide block 3, and the feather key of slide block 3 both sides is embedded in the slideway of chuck body 1 upper surface, and slide block 3 can slide.Consult Fig. 2.Movable jaw 4 is vertically fixed on the upper surface of slide block 3; One side surface at the relative center of three movable jaws 4 is arc surface, is processed with block teeth groove 5 at the arc surface of movable jaw 4 relative centers one side, in block teeth groove 5 by sunk screw fixing pincers tooth 6 respectively.The symmetrical wiper block 7 that circular arc is arranged respectively in the two sides of movable jaw 4.Consult Fig. 1.Sidewall at chuck body 1 has circular hole, and the axle of bevel pinion 8 passes the circular hole on chuck body 1 sidewall and is fixed on chuck body 1 sidewall by bearing support, bevel gear wheel 9 engagements of bevel pinion 8 and toothed disc 2.At the output shaft of the outer end of bevel pinion 8 axles connecting fluid pressure motor 11, hydraulic motor 11 is fixed on the sidewall of chuck body 1.
Circular arc wiper block 7 on three movable jaws 4 is distributed on the differing heights.
The utility model is installed on the upper flange plate of Wellhead packer, fixes with bolt, does not need operating personnel repeatedly to switch elevator, can realize the operation of single elevator lower oil tube.Can drive bevel pinion 8 by hydraulic motor 11 rotates, bevel pinion 8 is intermeshing with the bevel gear wheel 9 of toothed disc 2 bottom surfaces, bevel gear wheel 9 is along with bevel pinion 8 rotates together, the flat thread 10 in toothed disc 2 fronts just make three slide blocks 3 drive movable jaws 4 simultaneously to the center near or withdraw from, thereby the purpose that reaches clamping, unclamps oil pipe.
Claims (2)
1. scroll chuck formula wellhead lifting-clamping, main chuck body (1), toothed disc (2), slide block (3), movable jaw (4), block teeth groove (5), pincers tooth (6), wiper block (7), bevel pinion (8), bevel gear wheel (9) and hydraulic motor (11) form, it is characterized in that: chuck body (1) is circular shell, and there is screw chuck body (1) baseplane; In chuck body (1), slideway is arranged, be fixed with toothed disc (2) by the slideway in the chuck body (1); Bevel gear wheel (9) is arranged below the toothed disc (2), and the upper surface of toothed disc (2) has flat thread (10); At chuck body (1) three slide mechanisms are arranged, three skate machines consist of radial being evenly distributed on the chuck body (1); Slide mechanism is comprised of slide block (3) and movable jaw (4), slide block (3) is cuboid, there is flat thread the bottom surface of slide block (3), and the flat thread (10) of the flat thread of slide block (3) bottom surface and toothed disc (2) upper surface is intermeshing; There is feather key the both sides of slide block (3), and the feather key of slide block (3) both sides is embedded in the slideway of chuck body (1) upper surface; Movable jaw (4) is vertically fixed on the upper surface of slide block (3); One side surface at the relative center of three movable jaws (4) is arc surface, arc surface in the relative center of movable jaw (4) one side is processed with block teeth groove (5), fixes respectively pincers tooth (6) by sunk screw in block teeth groove (5); The symmetrical wiper block (7) that circular arc is arranged respectively in the two sides of movable jaw (4); Sidewall at chuck body (1) has circular hole, the axle of bevel pinion (8) passes the circular hole on chuck body (1) sidewall and is fixed on chuck body (1) sidewall by bearing support, bevel gear wheel (9) engagement of bevel pinion (8) and toothed disc (2); At the output shaft of the outer end connecting fluid pressure motor (11) of bevel pinion (8) axle, hydraulic motor (11) is fixed on the sidewall of chuck body (1).
2. a kind of scroll chuck formula wellhead lifting-clamping according to claim 1, it is characterized in that: the circular arc wiper block (7) on described three movable jaws (4) is distributed on the differing heights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300237 CN202745742U (en) | 2012-06-21 | 2012-06-21 | Three-jaw Chuck Type Wellhead Elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300237 CN202745742U (en) | 2012-06-21 | 2012-06-21 | Three-jaw Chuck Type Wellhead Elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745742U true CN202745742U (en) | 2013-02-20 |
Family
ID=47705159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300237 Expired - Fee Related CN202745742U (en) | 2012-06-21 | 2012-06-21 | Three-jaw Chuck Type Wellhead Elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745742U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618850A (en) * | 2013-12-10 | 2014-03-05 | 大连交通大学 | Device for acquiring information of polarimetric image |
| CN104190641A (en) * | 2014-09-18 | 2014-12-10 | 杨木超 | Cleaning machine for various types of bearings |
| CN107796695A (en) * | 2017-10-17 | 2018-03-13 | 首都医科大学附属北京世纪坛医院 | For biomaterial tensile test fixture and grip method |
| CN107843166A (en) * | 2017-10-23 | 2018-03-27 | 山东国晶新材料有限公司 | A kind of brake disc bounce, DTV detecting tools and application process |
| CN108860706A (en) * | 2018-03-27 | 2018-11-23 | 安徽芜湖新华印务有限责任公司 | A kind of folder collating unit |
| CN109538152A (en) * | 2019-01-30 | 2019-03-29 | 卞洪丽 | Multi-functional oil recovery tree packing box set group device |
| CN109605046A (en) * | 2018-12-28 | 2019-04-12 | 江西吉米立机械科技有限公司 | A kind of numerical control mill vehicle combined machine |
| CN111456668A (en) * | 2020-04-01 | 2020-07-28 | 刘超 | Semi-sealing blowout preventer for oil well fracturing |
| CN112240163A (en) * | 2019-12-18 | 2021-01-19 | 戴桂珍 | Digging drill deviation correcting control method for building construction |
| CN112302547A (en) * | 2020-12-28 | 2021-02-02 | 中国石油大学胜利学院 | Automatic elevator of sucker rod capable of realizing automatic alignment function and use method |
| CN113975083A (en) * | 2021-10-22 | 2022-01-28 | 洛阳轴承研究所有限公司 | Hand holding and stretching trainer and upper limb rehabilitation exoskeleton |
-
2012
- 2012-06-21 CN CN 201220300237 patent/CN202745742U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618850B (en) * | 2013-12-10 | 2016-10-05 | 大连交通大学 | A kind of polarization image information acquisition device |
| CN103618850A (en) * | 2013-12-10 | 2014-03-05 | 大连交通大学 | Device for acquiring information of polarimetric image |
| CN104190641A (en) * | 2014-09-18 | 2014-12-10 | 杨木超 | Cleaning machine for various types of bearings |
| CN107796695B (en) * | 2017-10-17 | 2019-08-30 | 首都医科大学附属北京世纪坛医院 | For biomaterial tensile test fixture and grip method |
| CN107796695A (en) * | 2017-10-17 | 2018-03-13 | 首都医科大学附属北京世纪坛医院 | For biomaterial tensile test fixture and grip method |
| CN107843166A (en) * | 2017-10-23 | 2018-03-27 | 山东国晶新材料有限公司 | A kind of brake disc bounce, DTV detecting tools and application process |
| CN108860706A (en) * | 2018-03-27 | 2018-11-23 | 安徽芜湖新华印务有限责任公司 | A kind of folder collating unit |
| CN109605046A (en) * | 2018-12-28 | 2019-04-12 | 江西吉米立机械科技有限公司 | A kind of numerical control mill vehicle combined machine |
| CN109538152A (en) * | 2019-01-30 | 2019-03-29 | 卞洪丽 | Multi-functional oil recovery tree packing box set group device |
| CN112240163A (en) * | 2019-12-18 | 2021-01-19 | 戴桂珍 | Digging drill deviation correcting control method for building construction |
| CN111456668A (en) * | 2020-04-01 | 2020-07-28 | 刘超 | Semi-sealing blowout preventer for oil well fracturing |
| CN112302547A (en) * | 2020-12-28 | 2021-02-02 | 中国石油大学胜利学院 | Automatic elevator of sucker rod capable of realizing automatic alignment function and use method |
| CN113975083A (en) * | 2021-10-22 | 2022-01-28 | 洛阳轴承研究所有限公司 | Hand holding and stretching trainer and upper limb rehabilitation exoskeleton |
| CN113975083B (en) * | 2021-10-22 | 2024-05-24 | 洛阳轴承研究所有限公司 | Hand holding trainer and upper limb rehabilitation type exoskeleton |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20210621 |