CN203730021U - Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device - Google Patents
Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device Download PDFInfo
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- CN203730021U CN203730021U CN201320724724.1U CN201320724724U CN203730021U CN 203730021 U CN203730021 U CN 203730021U CN 201320724724 U CN201320724724 U CN 201320724724U CN 203730021 U CN203730021 U CN 203730021U
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- jack
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- prevention device
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- 239000003245 coal Substances 0.000 title claims abstract description 16
- 230000002265 prevention Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a top coal caving hydraulic support group with a transverse-pulling and diagonal-pulling tilting prevention device. The problem that the existing common top coal caving support topples over easily in a moving process is solved. The top coal caving hydraulic support group comprises a first support, a second support, a third support, a fourth support and a fifth support which are arranged side by side, wherein a first chain ring clamp (24) is fixedly arranged on a top beam of the second support (28); a second chain ring clamp (22) is fixedly arranged on a top beam of the third support (29); one end of a transverse-pulling jack (23) is connected with the first chain ring clamp (24); the other end of the transverse-pulling jack is connected with the second chain ring clamp; one end of a round ring chain (25) is fixedly connected with the top beam of the second support (28); the other end of the round ring chain is connected with one end of a diagonal-pulling jack (26); and the other end of the diagonal-pulling jack (26) is fixedly connected with a support base of the fifth support (31). The top coal caving hydraulic support group is simple in structure and convenient to mount.
Description
Technical field
The utility model relates to a kind of horizontal drawing and the caving roof coal hydraulic support group of oblique pull tilting prevention device that have.
Background technology
The stability of hydraulic support is that a key issue of adopting is combined in coal seam, inclination angle, because normal direction and the tangential component of gravity increase and change with inclination angle, make tangential component increase and normal component of force reduces. therefore, the suffered service load of face timbering system diminishes, and cause and outer year of support system unstability increase, hydraulic support easily occurs in frame process altering or local downslide under entirety moving, thus cause support fall frame, squeeze and between frame, frame, sting frame and support entirety glides.
Summary of the invention
This technology provides a kind of horizontal caving roof coal hydraulic support that skews tilting prevention device that has, solve common sublevel caving hydrau lic support moving in frame process, particularly in the larger operating mode that waits inclement condition in work plane inclination angle, hydraulic support easily occurs in frame process altering or local downslide under entirety moving, thus cause support fall frame, squeeze and between frame, frame, sting the technical problem that frame and support entirety glide.
This technological transformation overcomes the above problems by following scheme:
A kind of have a horizontal caving roof coal hydraulic support group that skews tilting prevention device, comprise the first support (27) being arranged side by side, the second support (28), the 3rd support (29), the 4th support (30) and the 5th support (31), on the back timber of the second support (28), be fixedly installed the first chain link card (24), on the back timber of the 3rd support (29), be fixedly installed the second chain link card (22), horizontal one end of jack (23) and the first chain link card (24) of drawing links together, the horizontal other end of jack (23) and the second chain link card (22) of drawing links together, the back timber of one end of round-link chain (25) and the second support (28) is fixed together, the other end of round-link chain (25) is connected with one end of oblique pull jack (26), the other end of oblique pull jack (26) is fixedly connected on the bracket base of the 5th support (31).
The inclination angle (32) of caving roof coal hydraulic support group place work plane is 15 degree.
Horizontal drawing prevents being on the contrary connected with anti-down jack by hinged seat at adjacent set cap front end; Oblique pull is anti-down to be made up of anti-down jack and round-link chain, and one end of oblique pull tilting prevention device is connected with the back timber that needs anti-down support, and the oblique pull tilting prevention device other end is connected with the bracket base front end bottom of top.Hydraulic support is carried out to anti-down adjusting moving the slide force with jack in frame process.
The utility model is simple in structure, easy for installation, for sublevel caving hydrau lic support fall frame, squeeze frame, entirety glide technical problem a kind of effective solution is provided.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of sublevel caving hydrau lic support of the present invention.
Detailed description of the invention
A kind of have a horizontal caving roof coal hydraulic support group that skews tilting prevention device, comprise the first support (27) being arranged side by side, the second support (28), the 3rd support (29), the 4th support (30) and the 5th support (31), on the back timber of the second support (28), be fixedly installed the first chain link card (24), on the back timber of the 3rd support (29), be fixedly installed the second chain link card (22), horizontal one end of jack (23) and the first chain link card (24) of drawing links together, the horizontal other end of jack (23) and the second chain link card (22) of drawing links together, the back timber of one end of round-link chain (25) and the second support (28) is fixed together, the other end of round-link chain (25) is connected with one end of oblique pull jack (26), the other end of oblique pull jack (26) is fixedly connected on the bracket base of the 5th support (31).
The inclination angle (32) of caving roof coal hydraulic support group place work plane is 15 degree.
There is horizontal drawing and the sublevel caving hydrau lic support of oblique pull tilting prevention device, comprise: be used for preventing that the outrigger 1 of work plane wall caving from connecting with extensible canopy 4 by hinge, little quadric chain by compositions such as quarter butt 2, stocks 3 is realized wall supporting, and back timber 7 is hinged by hinge 8 and front-axle beam 5, common top support plate.Back timber 7 is connected by hinge 13 and caving shield 14, front rod 11 and back link 12 are connected by the caving shield 14 of hinge 18,19 and top respectively, base 17 by hinge 20,21 and below is connected, and forms the quadric chain of hydraulic supporting being erected to stabilization.Front column 9 and rear column 10 upper ends connect with back timber 7, and lower end connects with base 17, in order to realize lifting and the support of hydraulic support.Tail boom 15 is connected by hinge and caving shield 14, and plate 16 is installed in tail boom 15 cavitys, realizes expanding-contracting action by plate jack.
When No. 2 supports are moving in frame process, one end back timber 7 connects with the horizontal jack 23 that draws by chain link card 24, the other end connects with No. 3 set caps 7 by horizontal jack 23, the chain link card 22 of drawing, by the horizontal pulling force that draws jack 23, shift position to hydraulic support is controlled, and plays anti-down effect; Round-link chain 25 tops connect with No. 2 back timbers 7 simultaneously, below connects with oblique pull jack 26 front ends, and oblique pull jack 26 rear ends connect with No. 5 bracket bases 17, by the pulling force of oblique pull jack 26, shift position to hydraulic support is controlled, and plays anti-down effect.In the time that the inclination angle of work plane a is larger, can carry out locking to jack by Access Control valve, to the support in motion is increased to constant anti-down pulling force; Use round-link chain 25 to do to be flexible coupling, parts are not fragile, poor good with the compliance of falling the amount of moving to support height.
Claims (2)
1. one kind has the horizontal caving roof coal hydraulic support group that skews tilting prevention device, comprise the first support (27) being arranged side by side, the second support (28), the 3rd support (29), the 4th support (30) and the 5th support (31), it is characterized in that, on the back timber of the second support (28), be fixedly installed the first chain link card (24), on the back timber of the 3rd support (29), be fixedly installed the second chain link card (22), horizontal one end of jack (23) and the first chain link card (24) of drawing links together, the horizontal other end of jack (23) and the second chain link card (22) of drawing links together, the back timber of one end of round-link chain (25) and the second support (28) is fixed together, the other end of round-link chain (25) is connected with one end of oblique pull jack (26), the other end of oblique pull jack (26) is fixedly connected on the bracket base of the 5th support (31).
2. a kind of horizontal caving roof coal hydraulic support group that skews tilting prevention device that has according to claim 1, is characterized in that, the inclination angle (32) of caving roof coal hydraulic support group place work plane is 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724724.1U CN203730021U (en) | 2013-11-18 | 2013-11-18 | Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724724.1U CN203730021U (en) | 2013-11-18 | 2013-11-18 | Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730021U true CN203730021U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320724724.1U Expired - Lifetime CN203730021U (en) | 2013-11-18 | 2013-11-18 | Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730021U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840236A (en) * | 2016-03-31 | 2016-08-10 | 济宁矿业集团有限公司 | Method using pilot tunnel to process tilting and dumping hydraulic support |
| CN109779666A (en) * | 2019-02-14 | 2019-05-21 | 重庆工程职业技术学院 | A kind of overturning-preventing safety type hydraulic support |
| CN110529115A (en) * | 2019-09-12 | 2019-12-03 | 大同煤矿集团有限责任公司 | A kind of coal-mining method for coping with roof cracking and riding |
| CN110578539A (en) * | 2019-09-03 | 2019-12-17 | 曲建光 | control method for fully mechanized caving mining stability of large-dip-angle working face |
-
2013
- 2013-11-18 CN CN201320724724.1U patent/CN203730021U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840236A (en) * | 2016-03-31 | 2016-08-10 | 济宁矿业集团有限公司 | Method using pilot tunnel to process tilting and dumping hydraulic support |
| CN109779666A (en) * | 2019-02-14 | 2019-05-21 | 重庆工程职业技术学院 | A kind of overturning-preventing safety type hydraulic support |
| CN110578539A (en) * | 2019-09-03 | 2019-12-17 | 曲建光 | control method for fully mechanized caving mining stability of large-dip-angle working face |
| CN110529115A (en) * | 2019-09-12 | 2019-12-03 | 大同煤矿集团有限责任公司 | A kind of coal-mining method for coping with roof cracking and riding |
| CN110529115B (en) * | 2019-09-12 | 2021-07-13 | 晋能控股煤业集团有限公司 | Coal mining method for coping with roof crushing and support inclination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |