CN203031224U - Special underground removal tool for hinge pins of hydraulic supports of coal mines - Google Patents
Special underground removal tool for hinge pins of hydraulic supports of coal mines Download PDFInfo
- Publication number
- CN203031224U CN203031224U CN 201220727624 CN201220727624U CN203031224U CN 203031224 U CN203031224 U CN 203031224U CN 201220727624 CN201220727624 CN 201220727624 CN 201220727624 U CN201220727624 U CN 201220727624U CN 203031224 U CN203031224 U CN 203031224U
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- Prior art keywords
- hydraulic cylinder
- bearing pin
- contiguous block
- support bearing
- specific purpose
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Disclosed is a special underground removal tool for hinge pins of hydraulic supports of coal mines. The special underground removal tool is time-saving, labor-saving, safe and convenient, and comprises a hydraulic cylinder. The hydraulic cylinder is provided with a liquid inlet and a liquid return port, and a hydraulic cylinder plunger is connected into the hydraulic cylinder. The special underground removal tool is characterized in that a sleeve is fixedly connected to the front end of the hydraulic cylinder, the hydraulic cylinder plunger is positioned in the sleeve, a connecting block is connected to the front end of the hydraulic cylinder plunger, a bolt via hole is arranged on the connecting block, a connecting bolt is arranged in the bolt via hole and comprises a head and a screw, and the inner diameter of the bolt via hole is larger than the outer diameter of the screw of the connecting bolt and is smaller than the outer diameter of the head of the connecting bolt. The connecting block is of a 'U'-shaped structure and comprises a middle connecting plate and two side plates on two sides of the connecting block, through holes are arranged on the side plates, a pin via hole is arranged at the front end of the hydraulic cylinder plunger, the connecting block is connected with the hydraulic cylinder plunger by a pin, the pin penetrates through the pin via hole and the through holes on the connecting block, and the front end of the hydraulic cylinder plunger is positioned between the two side plates of the connecting block.
Description
Technical field
The utility model relates to a kind of mining instrument, relates in particular to and removes hydraulic support bearing pin specific purpose tool under a kind of coal mine.
Background technology
Some colliery is subjected to the restriction of auxiliary shaft hoisting power and underworkings rail transport ability, the caving roof coal hydraulic support that can't the whole Transporting fully mechanized coal face uses, the caving roof coal hydraulic support weight that has reaches 27.6 tons, the minimum profile size: length * wide * height=7.8m * 1.5m * 2.3m.Actual conditions according to the colliery, go into the well on the hydraulic support and must disintegrate, but the hinging pin shaft of each structural member is removed inconvenient, particularly working face extraction finishes the support that recession removes, bearing pin is removed and only is confined to use percussion hammer to operate, waste time and energy, the integral body that influences working face is removed progress.
Summary of the invention
The purpose of this utility model provides a kind of time saving and energy saving, removes hydraulic support bearing pin specific purpose tool under the coal mine of safe ready.
For achieving the above object, the technical solution adopted in the utility model is:
Remove hydraulic support bearing pin specific purpose tool under a kind of coal mine, comprise hydraulic cylinder, hydraulic cylinder has inlet and liquid return hole, be connected with hydraulic cylinder post alive in the hydraulic cylinder, it is characterized in that: the hydraulic cylinder front end is fixedly connected with sleeve, hydraulic cylinder post alive is positioned at sleeve, hydraulic cylinder post front end alive is connected with contiguous block, have on the contiguous block and wear keyhole, wear and be provided with connecting bolt in the keyhole, connecting bolt comprises head and screw rod, wears the internal diameter of keyhole greater than the external diameter of connecting bolt screw portion, less than connecting bolt head external diameter partly.
According to removing hydraulic support bearing pin specific purpose tool under the described coal mine, it is characterized in that: described contiguous block is " U " font structure, connecting plate in the middle of contiguous block comprises and the side plate on both sides, have through hole on the side plate, described hydraulic cylinder post front end alive has pinned hole, contiguous block and the hydraulic cylinder post of living is connected by pin, passes in the through hole of pin on pinned hole and the contiguous block, and the hydraulic cylinder post front end of living is positioned in the middle of two side plates of contiguous block.
According to removing hydraulic support bearing pin specific purpose tool under the described coal mine, it is characterized in that: described sleeve lateral wall has the attended operation mouth.
According to removing hydraulic support bearing pin specific purpose tool under the described coal mine, it is characterized in that: described hydraulic cylinder back and side are fixedly connected with handgrip.
According to removing hydraulic support bearing pin specific purpose tool under the described coal mine, it is characterized in that: remove hydraulic support bearing pin specific purpose tool under described this coal mine and also comprise lengthened plate, lengthened plate is arc.
According to removing hydraulic support bearing pin specific purpose tool under the described coal mine, it is characterized in that: described hydraulic cylinder and described sleeve are fixedly linked by set bolt.
The utility model utilizes the limited space of underground hydraulic support frame dismounting chamber, can finish the dismounting work of hydraulic support bearing pin fast and efficiently, and both safety was saved artificial, saving muscle power again.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation after the sleeve among Fig. 1 is broken away;
Fig. 3 is the structural representation after Fig. 2 removes sleeve and contiguous block;
Fig. 4 is the structural representation of the utility model middle sleeve;
Fig. 5 is the structural representation of contiguous block in the utility model;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural representation of lengthened plate in the utility model.
In the accompanying drawing:
1, handgrip; 2, hydraulic cylinder; 3, inlet; 4, liquid return hole; 5, hydraulic cylinder post alive; 6, set bolt; 7, sleeve; 8, attended operation mouth; 9, contiguous block; 10, pin; 11, connecting bolt; 12, lengthened plate; 13, wear keyhole; 14, pinned hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Remove hydraulic support bearing pin specific purpose tool under a kind of coal mine, extremely shown in Figure 7 as Fig. 1, comprise hydraulic cylinder 2, hydraulic cylinder 2 has inlet 3 and liquid return hole 4, be connected with hydraulic cylinder post 5 alive in the hydraulic cylinder 2, hydraulic cylinder 2 front ends are fixedly connected with sleeve 7, hydraulic cylinder post 5 alive is positioned at sleeve 7, hydraulic cylinder post 5 front ends alive are connected with contiguous block 9, have on the contiguous block 9 and wear keyhole 13, wear and be provided with connecting bolt 11 in the keyhole 13, connecting bolt 11 comprises head and screw rod, wears the internal diameter of keyhole 13 greater than the external diameter of connecting bolt 11 screw portions, external diameter less than connecting bolt 11 heads part.
In the present embodiment, contiguous block 9 is " U " font structure, connecting plate in the middle of contiguous block 9 comprises and the side plate on both sides, have through hole on the side plate, hydraulic cylinder post 5 front ends alive have pinned hole 14, contiguous block 9 and the hydraulic cylinder post 5 of living is connected by pin 10, passes in the through hole of pin 10 on pinned hole 14 and the contiguous block 9, and hydraulic cylinder post 5 front ends of living are positioned in the middle of two side plates of contiguous block 9.Sleeve 7 sidewalls have attended operation mouth 8.Hydraulic cylinder 2 back and side are fixedly connected with handgrip 1.
Remove hydraulic support bearing pin specific purpose tool under this coal mine and also comprise lengthened plate 12, lengthened plate 12 is arc.Hydraulic cylinder 2 is fixedly linked by set bolt 6 with sleeve 7.
Embodiment recited above is described preferred embodiment of the present utility model; be not that design of the present utility model and scope are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Use the utility model work to need to be operated by two people, one people hands handgrip, another people carries out feed flow to the inlet of hydraulic cylinder, hydraulic cylinder produces flexible by the control to inlet and liquid return hole, after hydraulic cylinder post alive stretches out, connecting bolt is connected by screw thread with the hydraulic support bearing pin of the pre-dismounting in down-hole, connect fastening after, to the reverse feed flow of liquid return hole, hydraulic cylinder be dynamically connected piece and the connecting bolt of cornice of living shunk together, by contraction sleeve is combined with the hydraulic support backplate tight, and personnel decontrol handgrip then, away from this specific purpose tool, carry out remote feed flow operation, liquid return hole is carried out disposable feed flow, hydraulic cylinder post alive is shunk fast, the equal in length of the length that the hydraulic support bearing pin is drawn out of and hydraulic cylinder post retraction alive.
If the length of hydraulic support bearing pin is oversize, hydraulic cylinder post retraction alive once can not take out bearing pin, also need the inlet of hydraulic cylinder is carried out feed flow again, hydraulic cylinder post alive is stretched out again, between sleeve and hydraulic support backplate, install lengthened plate then, shrink hydraulic cylinder post alive to the liquid return hole feed flow subsequently, make sleeve, lengthened plate is combined tight with the hydraulic support backplate, then continue again and identical operations last time, personnel decontrol handgrip, away from this specific purpose tool, carry out remote feed flow operation, liquid return hole is carried out disposable feed flow, hydraulic cylinder post alive is shunk fast.
Repeat above-mentioned steps, until the hydraulic support bearing pin is extracted out fully.
The utility model is removed in the work at the support of certain colliery high seam 3 times 7104,7106 fully mechanized coal faces and is all used, safe, fast, efficient, former artificial striking bearing pin approximately needs 4 hours, approximately only need be less than 3 hours behind use the utility model, when support of average every dismounting can be economized on 1 hour, make the integral body 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, and is light, is convenient to operation, and space adaptability is strong;
2, the pulling force of Chan Shenging is big, even, can finish the purpose of striking bearing pin safely, efficiently;
3, save manually, reduce worker's physical labor intensity greatly.
Claims (6)
1. remove hydraulic support bearing pin specific purpose tool under a coal mine, comprise hydraulic cylinder (2), hydraulic cylinder (2) has inlet (3) and liquid return hole (4), be connected with hydraulic cylinder post (5) alive in the hydraulic cylinder (2), it is characterized in that: hydraulic cylinder (2) front end is fixedly connected with sleeve (7), hydraulic cylinder post alive (5) is positioned at sleeve (7), hydraulic cylinder post (5) front end alive is connected with contiguous block (9), have on the contiguous block (9) and wear keyhole (13), wear and be provided with connecting bolt (11) in the keyhole (13), connecting bolt (11) comprises head and screw rod, wears the internal diameter of keyhole (13) greater than the external diameter of connecting bolt (11) screw portion, external diameter less than connecting bolt (11) head part.
2. remove hydraulic support bearing pin specific purpose tool under the coal mine according to claim 1, it is characterized in that: described contiguous block (9) is " U " font structure, connecting plate in the middle of contiguous block (9) comprises and the side plate on both sides, have through hole on the side plate, described hydraulic cylinder post (5) front end alive has pinned hole (14), contiguous block (9) is connected by pin (10) with hydraulic cylinder post alive (5), pass in the through hole of pin (10) on pinned hole (14) and the contiguous block (9), hydraulic cylinder post (5) front end of living is positioned in the middle of two side plates of contiguous block (9).
3. remove hydraulic support bearing pin specific purpose tool under the coal mine according to claim 2, it is characterized in that: described sleeve (7) sidewall has attended operation mouth (8).
4. remove hydraulic support bearing pin specific purpose tool under the coal mine according to claim 3, it is characterized in that: described hydraulic cylinder (2) back and side are fixedly connected with handgrip (1).
5. remove hydraulic support bearing pin specific purpose tool under the coal mine according to claim 4, it is characterized in that: remove hydraulic support bearing pin specific purpose tool under described this coal mine and also comprise lengthened plate (12), lengthened plate (12) is arc.
6. according to removing hydraulic support bearing pin specific purpose tool under each described coal mine in the claim 1 to 5, it is characterized in that: described hydraulic cylinder (2) is fixedly linked by set bolt (6) with described sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727624 CN203031224U (en) | 2012-12-26 | 2012-12-26 | Special underground removal tool for hinge pins of hydraulic supports of coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727624 CN203031224U (en) | 2012-12-26 | 2012-12-26 | Special underground removal tool for hinge pins of hydraulic supports of coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203031224U true CN203031224U (en) | 2013-07-03 |
Family
ID=48683367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220727624 Expired - Fee Related CN203031224U (en) | 2012-12-26 | 2012-12-26 | Special underground removal tool for hinge pins of hydraulic supports of coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203031224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990329A (en) * | 2012-12-26 | 2013-03-27 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Tool special for demounting hydraulic support pin shaft under coal mines |
-
2012
- 2012-12-26 CN CN 201220727624 patent/CN203031224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990329A (en) * | 2012-12-26 | 2013-03-27 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Tool special for demounting hydraulic support pin shaft under coal mines |
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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: 20130703 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |