CN208342730U - A kind of thin-walled sliding sleeve disassembling fixture - Google Patents
A kind of thin-walled sliding sleeve disassembling fixture Download PDFInfo
- Publication number
- CN208342730U CN208342730U CN201820900530.5U CN201820900530U CN208342730U CN 208342730 U CN208342730 U CN 208342730U CN 201820900530 U CN201820900530 U CN 201820900530U CN 208342730 U CN208342730 U CN 208342730U
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- drawbench
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Abstract
The utility model provides a kind of thin-walled sliding sleeve disassembling fixture, including drawbench nut and drawbench lead screw, drawbench lead screw is connect with drawbench nut thread, drawbench lead screw one end is equipped with claw, drawbench lead screw is threadedly coupled with claw, bracket and hydraulic system are equipped between drawbench nut and claw, bracket and hydraulic system are sleeved on drawbench lead screw, bracket is close to claw, hydraulic system is close to drawbench nut, by the boosting and decompression that control hydraulic system, the disassembly of thin-walled sliding sleeve may be implemented, it is not only small in size, it is light-weight, and movement is steady, it avoids causing the deformation of thin-walled sliding sleeve and the scuffing of hole wall in disassembly process, easy-to-operate.
Description
Technical field
The utility model relates to oilfield equipment field of hand, and in particular to a kind of thin-walled sliding sleeve disassembling fixture.
Background technique
In oilfield equipment, on the power end structure of the products such as some plunger pumps, some thin-walled sliding sleeves are usually will be installed
Or copper sheathing, to support piston or crosshead does linear reciprocating motion wherein.Such as a kind of crosshead sliding sleeve of plunger pump,
Because sliding sleeve is than relatively thin, unilateral wall thickness only has 4~5mm, and the hole being coupled with it belongs to interference fit, can be with when assembly
It is compressed by cold charge and hydraulic tool, when replacement, common drawbench can not be dismantled effectively, and strength disassembly is likely to make
At pulling for hole wall, this carrys out very big difficulty to the belt removal of thin-walled sliding sleeve, and urgent need wants one kind that can guarantee that hole wall is not scratched
The tooling of sliding sleeve can be effectively taken out again.
Utility model content
The purpose of this utility model is to provide a kind of thin-walled sliding sleeve disassembly work to overcome the problems, such as that the disassembly of thin-walled sliding sleeve is difficult
Dress, it is ensured that hole wall is not scratched and can effectively take out the tooling of sliding sleeve.
The purpose of this utility model is reached by following technical measures: a kind of thin-walled sliding sleeve disassembling fixture, including is drawn
Pull out device nut and drawbench lead screw, it is characterised in that: the drawbench lead screw is connect with drawbench nut thread, drawbench lead screw
One end is equipped with claw, and drawbench lead screw is threadedly coupled with claw, and bracket and hydraulic system are equipped between drawbench nut and claw,
Bracket and hydraulic system are sleeved on drawbench lead screw, and bracket is close to claw, and hydraulic system is close to drawbench nut.
Further, the claw is double-body bike, is equipped with step in claw bottom cylindrical week, step surface can be with thin-walled sliding sleeve end
Face contact, claw are equipped with internal screw thread far from the inner peripheral surface of step one end.Claw is made into double-body bike, not only can be convenient claw
It is packed into thin-walled sliding sleeve inner cavity, it can also be ensured that the outer circumference surface of claw is bonded with thin-walled sliding sleeve, increases intensity, protects thin-walled sliding sleeve
It does not deform in disassembly process, step surface and thin-walled sliding sleeve lower end face contact provide impetus for disassembly thin-walled sliding sleeve.
Further, the hydraulic system includes hydraulic base, and hydraulic base is set with hydraulic cylinder, hydraulic cylinder excircle set
Equipped with hydraulic gland, hydraulic cylinder upper surface is equipped with hydraulic pressure cap and SOC.HD. cap screw, and hydraulic pressure cap passes through SOC.HD. cap screw and liquid
Cylinder pressure connection, hydraulic base are equipped with hydraulic oil inlet.By controlling the boosting and decompression of hydraulic system, thin-walled sliding sleeve may be implemented
Disassembly, use hydraulic system as power original part, it is not only small in size, light-weight, but also move steady, avoid in disassembly process
In cause the deformation of thin-walled sliding sleeve and the scuffing of hole wall.
Further, the drawbench nut inner peripheral surface is equipped with internal screw thread, and drawbench nut excircle, which is equipped with, facilitates behaviour
Make the handle of drawbench nut tightening and release.The design of handle not only facilitates the make-up and release of operation drawing nut, upper
It is also more labor-saving in tight and release process.
Further, the number of the handle is multiple, and handle is circularly and evenly distributed in drawbench nut excircle.
Further, the number of the handle is 3.
Further, the drawbench lead screw outer circumference surface is equipped with external screw thread, and drawbench lead screw is separate to be connect with claw
One end circumferencial direction is equipped with the interstitial hole that can be inserted into screwdriver or pole class tool.The design of interstitial hole can be inserted into screwdriver or circle
Stick class tool facilitates rotation drawbench lead screw.
Compared with prior art, the utility model has the beneficial effects that claw is made into double-body bike, not only can be convenient card
Pawl is packed into thin-walled sliding sleeve inner cavity, it can also be ensured that the outer circumference surface of claw is bonded with thin-walled sliding sleeve, increases intensity, and protection thin-walled is sliding
It covers and does not deform in disassembly process, step surface and thin-walled sliding sleeve lower end face contact provide impetus for disassembly thin-walled sliding sleeve.
By control hydraulic system boosting and decompression, the disassembly of thin-walled sliding sleeve may be implemented, use hydraulic system as
Power original part, it is not only small in size, light-weight, but also move it is steady, avoid the deformation that thin-walled sliding sleeve is caused in disassembly process and
The scuffing of hole wall, easy-to-operate.
The design of drawbench nut handle not only facilitates the make-up and release of operation drawing nut, in make-up and release process
In it is also more labor-saving.
The design of drawbench lead screw interstitial hole can be inserted into screwdriver or pole class tool, facilitate rotation drawbench lead screw.
It elaborates with reference to the accompanying drawings and detailed description to the utility model.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the claw structure schematic diagram of the utility model.
Fig. 3 is the drawbench nut structure diagram of the utility model.
Fig. 4 is the drawbench screw structure schematic diagram of the utility model.
Fig. 5 is the disassembly process schematic diagram of the utility model.
Fig. 6 is the disassembly process diagrammatic cross-section of the utility model.
Fig. 7 is the hydraulic system diagrammatic cross-section of the utility model.
Wherein: 1- claw, 2- bracket, 3- hydraulic system, 4- drawbench nut, 5- drawbench lead screw, 6- thin-walled sliding sleeve, 7-
Lubricating oil inlet, 8- hydraulic base, the hydraulic gland of 9-, the hydraulic pressure cap of 10-, 11- hydraulic cylinder, 12- SOC.HD. cap screw, 13- step.
Specific embodiment
Embodiment, as shown in Fig. 1 to 7, a kind of thin-walled sliding sleeve disassembling fixture, including drawbench nut 4 and drawbench lead screw
5, drawbench lead screw 5 is threadedly coupled with drawbench nut 4, and 5 one end of drawbench lead screw is equipped with claw 1, drawbench lead screw 5 and claw
1 is threadedly coupled, and bracket 2 and hydraulic system 3 is equipped between drawbench nut 4 and claw 1, bracket 2 and hydraulic system 3 are sleeved on drawing
It pulls out on device lead screw 5, bracket 2 is close to claw 1, and for hydraulic system 3 close to drawbench nut 4, claw 1 is double-body bike, outside 1 bottom of claw
Circumference is equipped with step 13, and step surface can be contacted with 6 end face of thin-walled sliding sleeve, and claw 1 is equipped with far from the inner peripheral surface of 13 one end of step
Internal screw thread, hydraulic system 3 include hydraulic base 8, and hydraulic base 8 is set with hydraulic cylinder 11, and 11 excircle of hydraulic cylinder is set with liquid
Gland 9 is pressed, 11 upper surface of hydraulic cylinder is equipped with hydraulic pressure cap 10 and SOC.HD. cap screw 12, and hydraulic pressure cap 10 passes through SOC.HD. cap screw 12
It is connect with hydraulic cylinder 11, hydraulic base 8 is equipped with hydraulic oil inlet 7, and 4 inner peripheral surface of drawbench nut is equipped with internal screw thread, drawbench
4 excircle of nut is equipped with the handle for facilitating operation drawbench nut tightening and release, and the number of handle is 3, and handle is in drawing
4 excircle of device nut is circularly and evenly distributed, and 5 outer circumference surface of drawbench lead screw is equipped with external screw thread, and drawbench lead screw 5 is separate with card
One end circumferencial direction that pawl 1 connects is equipped with the interstitial hole that can be inserted into screwdriver or pole class tool.
The course of work: the claw 1 with step 13 is merged inside 6 inner cavity of thin-walled sliding sleeve for being put into and being disposed vertically, respectively
Bracket 2 and hydraulic system 3 are placed in order and needed above the thin-walled sliding sleeve 6 dismantled, guarantees bracket 2, hydraulic system 3 and thin
The central axis coaxial of 6 three of wall sliding sleeve vertically screws in drawbench lead screw 5 in claw 1 from 6 upper end interstitial hole of hydraulic system
Between threaded hole in, the claw 1 merged in the process is drawn device lead screw 5 and struts, and 13 lower part of step is stuck under thin-walled sliding sleeve 6
In the gap of end face, 13 above section of step is bonded with 6 inner wall of thin-walled sliding sleeve, guarantees that drawbench lead screw 5 at least screws in threaded hole
Drawbench nut 4 is screwed in from 5 upper end of drawbench lead screw, is tightened to 6 end face of hydraulic system always by half length, and operation is external
Hydraulic oil is pressed by hand oil pump by the hydraulic oil inlet 7 on hydraulic base 8, and hydraulic oil enters after hydraulic cylinder 11, acts on
11 bottom of hydraulic cylinder pushes hydraulic cylinder 11 to move upwards downward vertically in leading for hydraulic base 8, and bracket 2 and hydraulic system 3 are anti-
6 upper surface of thin-walled sliding sleeve is fixed under the action of active force, so as to drive the drawbench tightened in 3 upper surface of hydraulic system
Nut 4 moves upwards, and drawbench nut 4 can drive drawbench lead screw 5, claw 1 to move upwards by screw thread, and claw 1 is with thin
Wall sliding sleeve 6 moves upwards, and until moving to hydraulic 10 end face of pressure cap, the boosting and decompression of hydraulic system 3 can be realized thin
The disassembly of wall sliding sleeve 6, the stroke that 11 single of hydraulic cylinder moves upwards is up to 15mm, if the length of thin-walled sliding sleeve 6 is more than hydraulic cylinder
11 lifting altitude when can not disposably pull out, can realize thin-walled sliding sleeve 6 by operation 3 secondary booster of hydraulic system and decompression
Drawing again, until being completely pulled out.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the foregoing is merely the realities of the utility model
Example is applied, the scope of patent protection of the utility model is not intended to limit, it is all to utilize the utility model specification and accompanying drawing content
Made equivalent structure or equivalent flow shift, is applied directly or indirectly in other relevant technical fields, and similarly includes
Within the scope of patent protection of the utility model.
Claims (7)
1. a kind of thin-walled sliding sleeve disassembling fixture, including drawbench nut and drawbench lead screw, it is characterised in that: the drawbench silk
Thick stick is connect with drawbench nut thread, and drawbench lead screw one end is equipped with claw, and drawbench lead screw is threadedly coupled with claw, drawbench
Bracket and hydraulic system are equipped between nut and claw, bracket and hydraulic system are sleeved on drawbench lead screw, and bracket is close to card
Pawl, hydraulic system is close to drawbench nut.
2. a kind of thin-walled sliding sleeve disassembling fixture according to claim 1, it is characterised in that: the claw is double-body bike, card
Pawl bottom cylindrical week is equipped with step, and step surface can be contacted with thin-walled sliding sleeve end face, and claw is set far from the inner peripheral surface of step one end
There is internal screw thread.
3. a kind of thin-walled sliding sleeve disassembling fixture according to claim 1, it is characterised in that: the hydraulic system includes hydraulic
Pedestal, hydraulic base are set with hydraulic cylinder, and hydraulic cylinder excircle is set with hydraulic gland, and hydraulic cylinder upper surface is equipped with hydraulic pressure cap
And SOC.HD. cap screw, hydraulic pressure cap are connect by SOC.HD. cap screw with hydraulic cylinder, hydraulic base is equipped with hydraulic oil inlet.
4. a kind of thin-walled sliding sleeve disassembling fixture according to claim 1, it is characterised in that: the drawbench nut inner periphery
Face is equipped with internal screw thread, and drawbench nut excircle is equipped with the handle for facilitating operation drawbench nut tightening and release.
5. a kind of thin-walled sliding sleeve disassembling fixture according to claim 4, it is characterised in that: the number of the handle is more
A, handle is circularly and evenly distributed in drawbench nut excircle.
6. a kind of thin-walled sliding sleeve disassembling fixture according to claim 5, it is characterised in that: the number of the handle is 3.
7. a kind of thin-walled sliding sleeve disassembling fixture according to claim 1, it is characterised in that: the drawbench lead screw excircle
Face is equipped with external screw thread, and the separate one end circumferencial direction connecting with claw of drawbench lead screw, which is equipped with, can be inserted into screwdriver or pole class work
The interstitial hole of tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900530.5U CN208342730U (en) | 2018-06-12 | 2018-06-12 | A kind of thin-walled sliding sleeve disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900530.5U CN208342730U (en) | 2018-06-12 | 2018-06-12 | A kind of thin-walled sliding sleeve disassembling fixture |
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| Publication Number | Publication Date |
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| CN208342730U true CN208342730U (en) | 2019-01-08 |
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|---|---|---|---|
| CN201820900530.5U Active CN208342730U (en) | 2018-06-12 | 2018-06-12 | A kind of thin-walled sliding sleeve disassembling fixture |
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