CN201284630Y - Drilling rod fastener, pliers damp buffering mechanism - Google Patents
Drilling rod fastener, pliers damp buffering mechanism Download PDFInfo
- Publication number
- CN201284630Y CN201284630Y CNU2008200596202U CN200820059620U CN201284630Y CN 201284630 Y CN201284630 Y CN 201284630Y CN U2008200596202 U CNU2008200596202 U CN U2008200596202U CN 200820059620 U CN200820059620 U CN 200820059620U CN 201284630 Y CN201284630 Y CN 201284630Y
- Authority
- CN
- China
- Prior art keywords
- heel
- buffer
- clip
- pincers
- heeling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims description 46
- 230000003139 buffering effect Effects 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 title abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 53
- 238000013016 damping Methods 0.000 claims abstract description 24
- 239000000872 buffer Substances 0.000 claims description 92
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 60
- 230000002457 bidirectional effect Effects 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000003129 oil well Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a damping cushioning device of a drill pipe retaining clip and clamp, consisting of a suspension-typed universal connecting frame and a damping mechanism; wherein, the suspension-typed universal connecting frame consists of a pitch axis, a pitch axis suspension bracket, a cross orthogonal shaft connecting column, a heeling shaft and a heeling shaft suspension bracket; the pitch shaft suspension bracket is hinged with the upper shaft hole of the cross orthogonal shaft connecting column by the pitch shaft; the heeling shaft suspension bracket is hinged with the lower shaft hole of the cross orthogonal shaft connecting column by the heeling shaft; the pitch shaft suspension bracket is fixed on the drainage arm of the movement and drainage equipment of a light drill pipe by bolts; the damping mechanism respectively consists of a pitch damping mechanism and a heeling damping mechanism; and the heeling damping mechanism consists of a heeling damping spring adjustable bracket, a heeling damping spring base and an adjustable screw, a heeling damping spring adjustable screw and a heeling spring. The utility model facilities the centralizing operation of the retaining clip and clamp in clamping the drill pipe at the well head or drill pipe box, thus effectively shortening the time for draining and moving operation of the drill pipe.
Description
Technical field
The utility model belongs to a kind of oil-well drilling equipment, particularly clip, pincers damping, the buffer gear of oil-well rig in movement, discharging drilling rod equipment.
Background technology
Current, the land oil-well rig relies on manpower handwork to finish in movement, the operation of discharging drilling rod substantially.Domestic Lwdp movement, the mechanical prerequisite drill rod grip device damping buffering of the discharging mechanism of not appearing at as yet so far.External existing complete drilling rod movement, exhaust system; be matched in marine rig mostly; designed clamping device or manipulator are mainly considered by heavy drilling tool; design all has big surplus for general drilling tool power reserve and component strength, is then seeming not enough aspect the damping of equipment, the buffer protection.Drilling rod movement, discharging for domestic land rig are mainly operated the thribble that is in plumbness in the rig round trip, therefore functional requirement is fairly simple, equipment is designed to compactness, light and handy under the prerequisite of structural strength satisfying, nimble, be fit to be installed on the light equipment on quadruple board platform or the derrick.When equipment was carried out light-weight design, safety, the stationarity of equipment operation also should have higher performance, satisfy higher requirement, and the design of clip, pincers damping, buffer gear just is being based on this purpose and background.
Summary of the invention
A kind of drilling rod clip of the utility model, pincers damping buffering device; technical problem to be solved is to overcome in the prior art clamping device or manipulator is mainly considered by heavy drilling tool; design all has big surplus for general drilling tool power reserve and component strength, is then seeming not enough aspect the damping of equipment, the buffer protection.The utility model design is a kind of be fit to the compact conformation supporting with the movement of current domestic land rig Lwdp, exhaust apparatus, easy to assembly, safeguard that oil drill rocker clip easy, with low cost holds damping, buffer gear, make clip, pincers and discharge between the arm common being rigidly connected and become and flexibly connect, the overload that reduction equipment may occur in operating process, be obstructed, the risk that situation caused such as mistake behaviour etc., the raising drilling tool is mentioned, the stationarity of moving process, reduction clip, clamp are got the requirement of centering, make the gripping operation more easy, shorten the operating time.
For achieving the above object, solution of the present utility model is:
A kind of drilling rod clip, pincers damping buffering device, it is characterized in that: described device is made up of universal link of suspension type and buffer gear; The universal link of suspension type is made up of pitch axis, pitch axis suspension holdfast, cross normal axis joint pin, heel axle, heel axis suspension support, and the pitch axis suspension holdfast is hinged by the upper shaft hole of pitch axis and cross normal axis joint pin; Heel axis suspension support is hinged by the lower shaft hole of heel axle and cross normal axis joint pin; The pitch axis suspension holdfast is by being bolted on Lwdp movement, the exhaust apparatus discharging arm; Heel axis suspension support is fixed on clip, pincers Π shape mounting bracket top by fastening bolt; Clip, pincers can turn round around pitch axis and heel axle by the universal link of suspension type, form discharging arm and clip, flexibility between the pincers, the bidimensional articulated structure: described buffer gear is made up of pitching buffer gear and heel buffer gear respectively, the pitching buffer gear is by clip, connecting bolt under the pincers support, the lower ear plate seat, spring gas-liquid bidirectional buffer, rocking bar, rocker shaft and auxiliary and bidirectional buffer connecting axle are formed, the lower ear plate seat is through clip, connecting bolt is fixed in clip under the pincers support, pincers Π shape mounting bracket bottom, and hinged with spring gas-liquid bidirectional buffer piston rod end; The other end otic placode of spring gas-liquid bidirectional buffer then is articulated in the middle part of auxiliary and bidirectional buffer connecting axle;
(1) described heel buffer gear is made up of heel buffer spring adjusting support, heel buffer casting and adjustable screw, heel buffer spring adjusting screw(rod) and heel spring; Heel buffer spring adjusting support in cross normal axis joint pin, is equipped with heel buffer spring adjusting screw(rod) through bolt on it, rotation heel buffer casting and adjustable screw are adjusted the initialization load of heel spring.Being connected between clip, pincers Π shape mounting bracket top and Lwdp movement, the exhaust apparatus discharging arm is designed to have flexible bidimensional articulated structure, make clip, clamp hold drilling rod after, can turn round around the hinge axis of two horizontal quadratures with respect to the discharging arm;
(2) clip, pincers Π shape mounting bracket bottom through the lower ear plate seat hinged a bidirectional buffer, make clip, pincers can distinguish longitudinally (piston rod) and horizontal (auxiliary and bidirectional buffer connecting axle) generation linear displacement under external force;
(3) between heel suspension holdfast and cross quadrature joint pin, two heel buffer springs have been installed, have been formed damping, buffer structure around the heel axle; Bidirectional buffer in clip, pincers Π shape mounting bracket lower hinge forms damping and buffer structure around pitch axis;
The utility model mainly solves:
(1) eliminates and is buffered in over proof torque load and the overload impact that occurs on discharging arm and clip, pincers two horizontal axis.
When Lwdp movement, exhaust apparatus and clip, when pincers are designed to be rigidly connected, reaching on 27.5 meters thribble bottom level directions has external force or drilling rod to be in heeling condition slightly, promptly can form a very big moment of torsion at clamp that is positioned at the thribble upper end and discharging arm, very easily cause member to damage, bring security risk.Therefore require discharging arm, clamp bearing around the decapacitation of horizontal direction diaxon outside the torque load that the drilling rod center of gravity causes with respect to suspension centre off-centre, also must consider the external force and the formed moment of torsion of drilling rod attitude that may occur on drilling rod, the respective members Intensity Design is bigger than normal more many than normal.This own wt to the Lwdp movement that requires on derrick top or quadruple board platform is installed, exhaust apparatus can not overweightly be a very big contradiction.
(2) have the chucking power of enough mentioning drilling rod for after making clip, clamp live drilling rod, clip, pincers should be eliminated the deviation that clip, pincers center line and drilling rod center exist automatically in clamping drilling rod process.
In holding the operation of drilling rod, clip, clamp be difficult to accomplish aim at clip, pincers center and the drilling rod center that is arranged in well head or pipe slacking block consistent fully, the deviation that exists will directly influence clip, clamp live drilling rod after slips do surperficial degree of agreement with drilling rod, that is have influence on the chucking power that can decision reliably promote.
(3) reduce drilling rod and impacts, wave, increase the stationarity of movement, the movement of shortening drilling rod, gripping operating time in the startup of moving, cause because of drilling rod inertia in the turning course.Compared with prior art, the utlity model has following technique effect:
The utility model makes clip, pincers and discharges between the arm common being rigidly connected and becomes and flexibly connect, the overload that reduction equipment may occur in operating process, be obstructed, the risk that situation caused such as mistake behaviour etc., the raising drilling tool is mentioned, the stationarity of moving process, reduction clip, clamp are got the requirement of centering, make the gripping operation more easy, shorten the operating time.
Description of drawings
Accompanying drawing 1 is a general structure principle front view of the present utility model.
Accompanying drawing 2 is general structure principle lateral views of the present utility model.
Label declaration in the accompanying drawing
2. pitch axis 13. lower ear plate seats
3. pitch axis suspension holdfast 14. spring gas-liquid bidirectional buffers
4. cross normal axis joint pin 15. discharges arms
5. the heel buffer spring is regulated support 16. discharging arm and snubber fastening bolts
6. heel buffer casting and adjustable screw 17. rocker shafts
Heel buffer spring adjusting screw(rod) 18. snubbers and clip, pincers fastening bolt
8. heel axle 19. clips, pincers Π shape mounting bracket
9. heel buffer spring 20. rocking bars
10. heel axis suspension support 21. discharges the arm auxiliarys
11. clip, pincers 22. auxiliarys and bidirectional buffer connecting axle
The specific embodiment
Be further described below in conjunction with accompanying drawing 1 and accompanying drawing 2 pairs of the utility model structures, principle and functions.
A kind of drilling rod clip, pincers damping buffering device, its architectural feature is: described device is made up of universal link of suspension type and buffer gear; The universal link of suspension type is made up of pitch axis 2, pitch axis suspension holdfast 3, cross normal axis joint pin 4, heel axle 8, heel axis suspension support 10, and pitch axis suspension holdfast 3 is hinged with the upper shaft hole of cross normal axis joint pin 4 by pitch axis 2; Heel axis suspension support 3 is hinged with the lower shaft hole of cross normal axis joint pin 4 by heel axle 8; Pitch axis suspension holdfast 3 is fixed on Lwdp movement, the exhaust apparatus discharging arm 15 by bolt 16; Heel axis suspension support 10 is fixed on clip, pincers Π shape mounting bracket 19 tops by fastening bolt 18; Clip, pincers 11 can turn round around pitch axis 2 and heel axle 8 by the universal link of suspension type, form discharging arm 15 with clip, clamp flexibility, bidimensional articulated structure between 11.
Buffer gear wherein is made up of pitching buffer gear and heel buffer gear respectively, the pitching buffer gear is made up of connecting bolt 12, lower ear plate seat 13, spring gas-liquid bidirectional buffer 14, rocking bar 20, rocker shaft 17 and auxiliary and bidirectional buffer connecting axle 22 under clip, the pincers support, lower ear plate seat 13 connecting bolt 12 under clip, pincers support is fixed in clip, pincers Π shape mounting bracket 19 bottoms, and hinged with spring gas-liquid bidirectional buffer 14 piston rod ends; The other end otic placode of spring gas-liquid bidirectional buffer 14 then is articulated in the middle part of auxiliary and bidirectional buffer connecting axle 22.
The heel buffer gear is regulated support 5, heel buffer casting and adjustable screw 6, heel buffer spring adjusting screw(rod) 7, heel spring 9 by the heel buffer spring and is formed; Heel buffer spring adjusting support 5 in cross normal axis joint pin 4, is equipped with heel buffer spring adjusting screw(rod) 7 through bolt on it, the initialization load of rotation heel buffer casting and 6 pairs of heel springs 9 of adjustable screw is adjusted.
The utility model is made up of universal link of suspension type and buffer gear; The universal link of suspension type is realized the flexible bidimensional articulated structure between clip, pincers 11 and the discharging arm 15; Buffer gear is then realized damping, the pooling feature to heel axle 8 and pitch axis 2.
The universal link of suspension type is made up of pitch axis 2, pitch axis suspension holdfast 3, cross normal axis joint pin 4, heel axle 8, heel axis suspension support 10.Pitch axis suspension holdfast 3 is hinged with the upper shaft hole of cross normal axis joint pin 4 by pitch axis 2; Heel axis suspension support 3 is hinged with the lower shaft hole of cross normal axis joint pin 4 by heel axle 8; Pitch axis suspension holdfast 3 is fixed on Lwdp movement, the exhaust apparatus discharging arm 15 by bolt 16; Heel axis suspension support 10 is fixed on clip, pincers Π shape mounting bracket 19 tops by fastening bolt 18; Clip, pincers 11 can turn round around pitch axis 2 and heel axle 8 by the universal link of suspension type, form discharging arm 15 with clip, clamp flexibility, bidimensional articulated structure between 11.
After flexible, bidimensional articulated structure makes clip, pincers 11 clamping drilling rods 1, can be around mutually orthogonal pitch axis 2 and 8 revolutions of heel axle, that is allow drilling rod 1 to swing at vertical and horizontal by the utility model.After drilling rod 1 was raised, the drilling rod center of gravity can be automatically and central lines under action of gravity, avoids producing because of deviation of gravity center producing the additional torque that acts on clip, pincers 11 and the discharging arm 15; Even drilling rod is not raised the rig floor face that leaves, no matter which kind of attitude drilling rod is in, and moment of torsion can not occur on the hinged support 2 and 8 of clip, pincers 11 ends.Bidimensional articulated structure of the present utility model connects, and has eliminated because external force that may occur on the drilling rod and drilling rod attitude out of plumb formed moment of torsion on clamp 11 and discharging arm 15.
Buffer gear is by being made up of pitching buffer gear and heel buffer gear respectively.The pitching buffer gear is made up of connecting bolt 12, lower ear plate seat 13, spring gas-liquid bidirectional buffer 14, rocking bar 20, rocker shaft 17 and auxiliary and bidirectional buffer connecting axle 22 under clip, the pincers support.Lower ear plate seat 13 connecting bolt 12 under clip, pincers support is fixed in clip, pincers Π shape mounting bracket 19 bottoms, and hinged in spring gas-liquid bidirectional buffer 14 piston rod ends; The other end otic placode of spring gas-liquid bidirectional buffer 14 then is articulated in the middle part of auxiliary and bidirectional buffer connecting axle 22.After clip, pincers 11 vertically are subjected to shock loading, be subjected to displacement in 14 piston rod moments of support lower spring gas-liquid bidirectional buffer of auxiliary 21 and connecting axle 22, absorb energy storage and slow down impact.Rocking bar 20 is formed parallel linkage with discharging arm 15, clip, pincers 11, the universal link of suspension type of the present utility model, to keep the vertical of clip, pincers 11.
The heel buffer gear is made up of heel buffer spring adjusting support 5, heel buffer spring adjustable screw 6, heel buffer casting 7, heel spring 9; The heel buffer spring regulate support 5 through bolt in cross normal axis joint pin 4, heel buffer spring adjusting screw(rod) 7 is installed on it, can adjust the initialization load of heel spring 9 by rotation adjustable screw 6, make heel axis suspension support 10 placed in the middle with respect to cross normal axis joint pin 4.When clip, pincers 11 after laterally being subjected to shock loading, heel axis suspension support 10 turns round around heel axle 8 together in company with clip, pincers 11, being in 5 one lateral extents of heel axis suspension support 10 and heel buffer spring adjusting support reduces, this side heel buffer spring 9 absorbs energy storage in the process of being compressed, heel axis suspension support 10 is carried out damping, buffering; When the external impact load reduced or disappears, buffer spring 9 discharged stored energy, impelled heel axis suspension support 10 to restore to the original state.
Equally, above-mentioned buffer gear also can be clamped the moment of inertia that the thribble translation or the revolution of a plumbness start, produced when stopping to clip, pincers 11 simultaneously and cushion, and reduces thribble waving in movement, makes movement more steady.
As mentioned above,, make between them that to form two orthogonal dimensions hinged, had two and turned round degree of freedom because clip, pincers 11 are taked the universal link of suspension type of the present utility model with 15 on arm of discharging; And at clip, pincers Π shape mounting bracket 19 bottoms through the hinged bidirectional buffer 14 of lower ear plate seat 13, make clip, pincers 11 can distinguish longitudinally piston rod and laterally auxiliary and bidirectional buffer connecting axle generation linear displacement under external force.Make clip, pincers 11 like this after clamping drilling rod 1, rely on clamping force that four degree of freedom of clip, 11 two axles of pincers are finely tuned, eliminate the angular displacement and the position deviation that may exist after clip, pincers 11 centerings, clip, pincers 11 can be agreed with the center of drilling rod 1, made things convenient for clip, pincers 11 to operate, can effectively shorten discharging, the movement operating time of drilling rod the centering of well head or pipe slacking block gripping drilling rod.
Claims (1)
1. a drilling rod clip, pincers damping buffering device, it is characterized in that: described device is made up of universal link of suspension type and buffer gear;
The universal link of suspension type is made up of pitch axis (2), pitch axis suspension holdfast (3), cross normal axis joint pin (4), heel axle (8), heel axis suspension support (10), and pitch axis suspension holdfast (3) is hinged with the upper shaft hole of cross normal axis joint pin (4) by pitch axis (2); Heel axis suspension support (3) is hinged with the lower shaft hole of cross normal axis joint pin (4) by heel axle (8); Pitch axis suspension holdfast (3) is fixed on Lwdp movement, the exhaust apparatus discharging arm (15) by bolt (16); Heel axis suspension support (10) is fixed on clip pincers ∏ shape mounting bracket (19) top by fastening bolt (18); Clip pincers (11) can turn round around pitch axis (2) and heel axle (8) by the universal link of suspension type, form flexibility, bidimensional articulated structure between discharging arm (15) and the clip pincers (11); Described buffer gear is made up of pitching buffer gear and heel buffer gear respectively, the pitching buffer gear is made up of connecting bolt (12), lower ear plate seat (13), spring (gas-liquid) bidirectional buffer (14), rocking bar (20), rocker shaft (17) and auxiliary and bidirectional buffer connecting axle (22) under the clip pincers support, lower ear plate seat (13) connecting bolt (12) under clip pincers support is fixed in clip pincers ∏ shape mounting bracket (19) bottom, and hinged with spring (gas-liquid) bidirectional buffer (14) piston rod end; The other end otic placode of spring (gas-liquid) bidirectional buffer (14) then is articulated in the middle part of auxiliary and bidirectional buffer connecting axle (22);
Described heel buffer gear is regulated support (5), heel buffer casting and adjustable screw (6), heel buffer spring adjusting screw(rod) (7), heel spring (9) by the heel buffer spring and is formed; The heel buffer spring regulate support (5) through bolt in cross normal axis joint pin (4), heel buffer spring adjusting screw(rod) (7) is installed on it, and rotation heel buffer casting and adjustable screw (6) are adjusted the initialization load of heel spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200596202U CN201284630Y (en) | 2008-06-12 | 2008-06-12 | Drilling rod fastener, pliers damp buffering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200596202U CN201284630Y (en) | 2008-06-12 | 2008-06-12 | Drilling rod fastener, pliers damp buffering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284630Y true CN201284630Y (en) | 2009-08-05 |
Family
ID=40949615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200596202U Expired - Fee Related CN201284630Y (en) | 2008-06-12 | 2008-06-12 | Drilling rod fastener, pliers damp buffering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284630Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206499A (en) * | 2019-04-28 | 2019-09-06 | 中煤科工集团西安研究院有限公司 | One kind changing lever apparatus flexible retainer and drilling rod automatic centering system and method |
-
2008
- 2008-06-12 CN CNU2008200596202U patent/CN201284630Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206499A (en) * | 2019-04-28 | 2019-09-06 | 中煤科工集团西安研究院有限公司 | One kind changing lever apparatus flexible retainer and drilling rod automatic centering system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Sun Xin Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20120612 |