CN203993042U - Down-hole bearing pin remover - Google Patents
Down-hole bearing pin remover Download PDFInfo
- Publication number
- CN203993042U CN203993042U CN201420501942.3U CN201420501942U CN203993042U CN 203993042 U CN203993042 U CN 203993042U CN 201420501942 U CN201420501942 U CN 201420501942U CN 203993042 U CN203993042 U CN 203993042U
- Authority
- CN
- China
- Prior art keywords
- piston boit
- bolt cap
- tightening latch
- shaft sleeve
- catching groove
- 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
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
A kind of down-hole bearing pin remover, comprise hydraulic cylinder and piston boit, hydraulic cylinder is with inlet and liquid return hole, and hydraulic cylinder is connected with piston boit is flexible, the hydraulic cylinder end of piston boit place side is fixedly connected with connecting cylinder, connecting cylinder front side is provided with de-shaft sleeve, and de-shaft sleeve rear end is fixedly connected with catching groove, and catching groove and de-shaft sleeve are structure as a whole, the cross section of catching groove is " U " type, backward, connecting cylinder front end snaps onto in catching groove catching groove opening, and piston boit is positioned at connecting cylinder and de-shaft sleeve; The front portion of piston boit offers bolt cap and wears mouth, bolt cap is worn mouthful outside towards piston boit, the piston boit front end that bolt cap is worn epistome offers tightening latch and wears mouth, and tightening latch is worn and mouthful offered towards outside and the front side of piston boit simultaneously, and tightening latch is worn and mouthful worn mouth with bolt cap and communicate, piston boit front end is provided with de-axle bolt, de-axle bolt comprises bolt cap, and bolt cap front end is fixedly connected with tightening latch, and tightening latch and bolt cap are structure as a whole, bolt cap is positioned at bolt cap and wears mouth, and tightening latch is positioned at tightening latch and wears mouth.
Description
Technical field
The utility model relates to a kind of mining instrument, relates in particular to a kind of down-hole bearing pin remover.
Background technology
In coal mining enterprise, some colliery is subject to the restriction of auxiliary shaft hoisting ability and underworkings transport capacity, the large-scale apparatus cannot whole Transporting down-hole using, according to the actual conditions in colliery, this class apparatus must be disintegrated, but the dismounting of the hinging pin shaft of a lot of each members of machine is only confined to use percussion hammer to operate, and wastes time and energy, be not easy to remove, affect operating efficiency.
Utility model content
The utility model, for deficiency, provides a kind of safe ready, time saving and energy saving down-hole bearing pin remover.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of down-hole bearing pin remover, comprise hydraulic cylinder and piston boit, hydraulic cylinder is with inlet and liquid return hole, hydraulic cylinder is connected with piston boit is flexible, it is characterized in that, the hydraulic cylinder end of piston boit place side is fixedly connected with connecting cylinder, connecting cylinder front side is provided with de-shaft sleeve, de-shaft sleeve rear end is fixedly connected with catching groove, catching groove and de-shaft sleeve are structure as a whole, and the cross section of catching groove is " U " type, and catching groove opening backward, connecting cylinder front end snaps onto in catching groove, and piston boit is positioned at connecting cylinder and de-shaft sleeve; The front portion of piston boit offers bolt cap and wears mouth, bolt cap is worn mouthful outside towards piston boit, the piston boit front end that bolt cap is worn epistome offers tightening latch and wears mouth, and tightening latch is worn and mouthful offered towards outside and the front side of piston boit simultaneously, and tightening latch is worn and mouthful worn mouth with bolt cap and communicate, piston boit front end is provided with de-axle bolt, de-axle bolt comprises bolt cap, and bolt cap front end is fixedly connected with tightening latch, and tightening latch and bolt cap are structure as a whole, bolt cap is positioned at bolt cap and wears mouth, and tightening latch is positioned at tightening latch and wears mouth.
According to described down-hole bearing pin remover, it is characterized in that, the front end face of described piston boit has been threaded and has added fixing bolt, and the front end that adds fixing bolt is worn mouth through described bolt cap.
According to described down-hole bearing pin remover, it is characterized in that, this down-hole comprises the assembly of de-shaft sleeve and described catching groove described in more piece with bearing pin remover, the front end of the de-shaft sleeve of deutomerite snaps onto in the catching groove of the de-shaft sleeve of prosthomere.
According to described down-hole bearing pin remover, it is characterized in that, described hydraulic cylinder outside is fixedly connected with jug.
Use the utility model work to be operated by two people, the hand-held handle of one people, another people carries out feed flow to the inlet of hydraulic cylinder, produce flexible by the control piston post to inlet and liquid return hole, after piston boit stretches out, de-axle bolt is connected by screw thread with the bearing pin of the pre-dismounting in down-hole, connect fastening after, to the reverse feed flow of liquid return hole, make piston boit drive connecting bolt to shrink together, make de-shaft sleeve and the tight combination of down-hole machine by contraction, then operating personnel decontrol handle, away from this instrument, carry out remote feed flow operation, liquid return hole is carried out to disposable feed flow, piston boit is shunk fast, it is equal in length that the length that bearing pin is drawn out of and piston boit bounce back.If the length of bearing pin is oversize, piston boit retraction once can not take out bearing pin, also need the inlet of hydraulic cylinder again to carry out feed flow, piston boit is stretched out again, then between sleeve and down-hole machine, install again de-shaft sleeve, shrink piston boit to liquid return hole feed flow more subsequently, make sleeve, de-shaft sleeve and the tight combination of down-hole machine, continue again the operation identical with last time, operating personnel decontrol handle, away from this instrument, carry out remote feed flow operation, liquid return hole is carried out to disposable feed flow, piston boit is shunk fast.
Repeat above-mentioned steps, until hydraulic support bearing pin is extracted out completely.
The utility model utilizes limited space, down-hole, can complete fast and efficiently the dismounting work of machine bearing pin, and both safe readies are time saving and energy saving again.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of de-shaft sleeve in Fig. 1;
Fig. 3 be in Fig. 1 piston boit look up structural representation.
In accompanying drawing:
1, inlet; 2, liquid return hole; 3, hydraulic cylinder; 4, handle; 5, connecting cylinder; 6, catching groove; 7, de-shaft sleeve; 8, piston boit; 9, bolt cap is worn mouth; 10, add fixing bolt; 11, tightening latch is worn mouth; 12, tightening latch; 13, bolt cap.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of down-hole bearing pin remover, comprise hydraulic cylinder 3 and piston boit 8, hydraulic cylinder 3 is with inlet 1 and liquid return hole 2, hydraulic cylinder 3 is connected with piston boit 8 is flexible, hydraulic cylinder 3 ends of piston boit 8 place sides are fixedly connected with connecting cylinder 5, connecting cylinder 5 front sides are provided with de-shaft sleeve 7, de-shaft sleeve 7 rear ends are fixedly connected with catching groove 6, catching groove 6 is structure as a whole with de-shaft sleeve 7, the cross section of catching groove 6 is " U " type, catching groove 6 openings backward, connecting cylinder 5 front ends snap onto in catching groove 6, piston boit 8 is positioned at connecting cylinder 5 and de-shaft sleeve 7, the front portion of piston boit 8 offers bolt cap and wears mouth 9, bolt cap is worn mouthful 9 outsides towards piston boit 8, piston boit 8 front ends that bolt cap is worn mouthful 9 front portions offer tightening latch and wear mouthfuls 11, tightening latch is worn mouthful 11 whiles and is offered towards outside and the front side of piston boit 8, and tightening latch is worn mouthfuls 11 and is worn mouth 9 with bolt cap and communicate, piston boit 8 front ends are provided with de-axle bolt, de-axle bolt comprises bolt cap 13, bolt cap 13 front ends are fixedly connected with tightening latch 12, tightening latch 12 is structure as a whole with bolt cap 13, bolt cap 13 is positioned at bolt cap and wears mouth 9, and tightening latch 12 is positioned at tightening latch and wears mouth 11.
In the present embodiment, the front end face of described piston boit 8 has been threaded and has added fixing bolt 10, and the front end that adds fixing bolt 10 is worn mouth 9 through described bolt cap.This down-hole comprises the assembly of de-shaft sleeve 7 and described catching groove 6 described in more piece with bearing pin remover, the front end of the de-shaft sleeve 7 of deutomerite snaps onto in the catching groove 6 of the de-shaft sleeve 7 of prosthomere.Described hydraulic cylinder 3 outsides are fixedly connected with jug 4.
Through test, former manual demolition hydraulic support bearing pin approximately needs 4 hours, and using approximately only need to be less than 3 hour after the utility model, when hydraulic support of average every dismounting can be economized on 1 hour, make the entirety of fully mechanized coal face remove speed about 5-7 days in advance, result of use is good.
In sum, the utlity model has following advantage:
1, equipment volume is little, light, convenient operation, and space adaptability is strong;
2, the pulling force producing is large, even, can complete safely, efficiently the object of striking bearing pin;
3, save manually, greatly reduce worker's physical labor intensity.
Claims (4)
1. a down-hole bearing pin remover, comprise hydraulic cylinder (3) and piston boit (8), hydraulic cylinder (3) is with inlet (1) and liquid return hole (2), hydraulic cylinder (3) is connected with piston boit (8) is flexible, it is characterized in that, hydraulic cylinder (3) end of piston boit (8) place side is fixedly connected with connecting cylinder (5), connecting cylinder (5) front side is provided with de-shaft sleeve (7), de-shaft sleeve (7) rear end is fixedly connected with catching groove (6), catching groove (6) is structure as a whole with de-shaft sleeve (7), the cross section of catching groove (6) is " U " type, catching groove (6) opening backward, connecting cylinder (5) front end snaps onto in catching groove (6), piston boit (8) is positioned at connecting cylinder (5) and de-shaft sleeve (7), the front portion of piston boit (8) offers bolt cap and wears mouthful (9), bolt cap is worn mouthful (9) outside towards piston boit (8), bolt cap is worn mouthful (9) anterior piston boit (8) front end and is offered tightening latch and wear mouthful (11), tightening latch is worn mouthful (11) and is offered towards outside and the front side of piston boit (8) simultaneously, and tightening latch is worn mouthful (11) and is worn mouth (9) with bolt cap and communicate, piston boit (8) front end is provided with de-axle bolt, de-axle bolt comprises bolt cap (13), bolt cap (13) front end is fixedly connected with tightening latch (12), tightening latch (12) is structure as a whole with bolt cap (13), bolt cap (13) is positioned at bolt cap and wears mouthful (9), tightening latch (12) is positioned at tightening latch and wears mouthful (11).
2. down-hole according to claim 1 bearing pin remover, is characterized in that, the front end face of described piston boit (8) has been threaded and has added fixing bolt (10), and the front end that adds fixing bolt (10) is worn mouthful (9) through described bolt cap.
3. down-hole according to claim 2 bearing pin remover, it is characterized in that, this down-hole comprises the assembly of de-shaft sleeve (7) and described catching groove (6) described in more piece with bearing pin remover, the front end that deutomerite takes off shaft sleeve (7) snaps onto in the catching groove (6) that prosthomere takes off shaft sleeve (7).
4. down-hole according to claim 3 bearing pin remover, is characterized in that, described hydraulic cylinder (3) outside is fixedly connected with jug (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501942.3U CN203993042U (en) | 2014-09-02 | 2014-09-02 | Down-hole bearing pin remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501942.3U CN203993042U (en) | 2014-09-02 | 2014-09-02 | Down-hole bearing pin remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993042U true CN203993042U (en) | 2014-12-10 |
Family
ID=52033105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501942.3U Expired - Fee Related CN203993042U (en) | 2014-09-02 | 2014-09-02 | Down-hole bearing pin remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993042U (en) |
-
2014
- 2014-09-02 CN CN201420501942.3U patent/CN203993042U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141210 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |