CN203783608U - Hydraulic support for supporting fan-shaped area of fully-mechanized mining withdrawing working face - Google Patents
Hydraulic support for supporting fan-shaped area of fully-mechanized mining withdrawing working face Download PDFInfo
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- CN203783608U CN203783608U CN201420136337.0U CN201420136337U CN203783608U CN 203783608 U CN203783608 U CN 203783608U CN 201420136337 U CN201420136337 U CN 201420136337U CN 203783608 U CN203783608 U CN 203783608U
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- side arm
- frame
- column
- hydraulic support
- base
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- 238000005065 mining Methods 0.000 title abstract description 10
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a hydraulic support for supporting a fan-shaped area of a fully-mechanized mining withdrawing working face. The hydraulic support comprises a front frame and a rear frame, wherein the front frame comprises a front frame base, a front frame top beam and a front frame support device; the rear frame comprises a rear frame base, a rear frame top beam and a rear frame support device; the front frame base is connected with the rear frame base in a sliding manner; the front frame top beam is connected with the rear frame top beam in a sliding manner; the front frame top beam is fixed on the front frame base through the front frame support device; the rear frame top beam is fixed on the rear frame base through the rear frame support device; a push jack is arranged between the front frame base and the rear frame base; the hydraulic support further comprises a control device connected with an push jack of an adjacent hydraulic support through a hydraulic pipeline. According to the hydraulic support for supporting the fan-shaped area of the fully-mechanized mining withdrawing working face, the front frame and the rear frame are arranged, and can move forward alternatively continuously, and the front frame top beam and the rear frame top beam are used for supporting a top plate alternately, so that compared with the prior art, the hydraulic support has the advantages that the production safety is improved, and the supporting cost is reduced.
Description
Technical field
The utility model relates to fully-mechanized mining working support technology, relates in particular to a kind of comprehensive adopting and withdraws work plane fan section hydraulic support.
Background technology
In coal mining, top board need to carry out supporting with hydraulic support.When fully-mechanized mining working withdraws hydraulic support, prior art is to adopt a shield support to safeguard the top board of fully-mechanized mining working return channel, adopt for combining the fan section that withdraws work plane return channel, coordinate π type roof beam structure canopy to safeguard top board with individual prop, this support pattern exists control top area large, sector belt roof pressure is large, large and the high shortcoming of security risk of roof control difficulty, very easily occurrence of large-area is crushed, leak top, push over the accidents such as frame canopy, especially soft at top board or base plate, the work plane that argillization is serious, it is serious that individual prop bores the end, supporting intensity is poor, artificial prop drawing difficulty, poor stability.
For roof cracking, absciss layer, tear serious comprehensive the adopting of net and withdraw work plane, adopt grillage to safeguard the fan section top board of return channel, shelf is taken out frame, takes out after frame and supports with grillage, loops back withdrawing fully-mechanized mining working face hydraulic support, and supporting grillage is not being reclaimed.Above-mentioned support pattern has effectively reduced the artificial supporting control of sector belt top area, improved the supporting intensity of top board, but grillage no longer reclaims, and withdraws cost high.
Utility model content
The utility model provides a kind of comprehensive adopting to withdraw work plane fan section hydraulic support, to solve the existing problem withdrawing in the support technology of work plane fan section of adopting of combining, improves supporting intensity, ensures safety work.
The utility model provides a kind of comprehensive adopting to withdraw work plane fan section hydraulic support, wherein, comprising: side arm and after-frame, and described side arm comprises side arm base, side arm back timber and front rack supporting device; Described after-frame comprises after-frame base, after-frame back timber and rear rack supporting device;
Described side arm base is connected with described after-frame base sliding;
Described side arm back timber and described after-frame back timber are slidably connected;
Described side arm back timber is fixed on described side arm base by described front rack supporting device;
Described after-frame back timber is fixed on described after-frame base by described rear rack supporting device;
Between described side arm base and described after-frame base, be provided with advancing jack, the base end of described advancing jack is fixed on described after-frame base, and the styletable alive of described advancing jack is fixed on described side arm base;
Described combine to adopt withdraw work plane fan section hydraulic support and also comprise control device, described control device is connected with the advancing jack of adjacent hydraulic support by fluid pressure line.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, wherein, and preferably: described front rack supporting device comprises the first column, the second column and side arm caving shield; The bottom of described the first column, the second column and side arm caving shield is all fixed on described side arm base, and the top of described the first column, the second column and side arm caving shield is all rotationally connected with described side arm back timber.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, and wherein, preferably: described the first column and described the second column form by telescopic sleeve, described side arm caving shield is fixedly connected with described side arm base by first connecting rod assembly.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, wherein, and preferably: the top of described the first column, the second column and side arm caving shield is all rotationally connected by cross contiguous block and described side arm back timber.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, wherein, and preferably: described rear rack supporting device comprises the 3rd column and after-frame caving shield; The bottom of described the 3rd column and after-frame caving shield is all fixed on described after-frame base, and the top of described the 3rd column and after-frame caving shield is all rotationally connected with described after-frame back timber.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, and wherein, preferably: described the 3rd column is made up of telescopic sleeve, described after-frame caving shield is fixedly connected with described after-frame base by second connecting rod assembly.
Comprehensive adopting as above withdraws work plane fan section hydraulic support, wherein, and preferably: the top of described the 3rd column and after-frame caving shield is all rotationally connected by cross contiguous block and described after-frame back timber.
Comprehensive the adopting that the utility model provides withdraws work plane fan section hydraulic support by side arm and after-frame are set, side arm and after-frame circulation are moved forward, its side arm back timber and after-frame back timber carry out supporting to top board in turn, compared with prior art, propose the safety that high comprehensive mining withdraws work plane fan section supporting producers, reduced the cost that withdraws face timbering.The utility model is created and is promoted fully-mechanized mining working and withdraw the fan section mechanization supporting major step that advances.Having filled up to combine and adopted the vacancy that withdraws the mechanization supporting of work plane fan section, is to combine to adopt to withdraw the epoch-making revolution of work plane fan section mechanical automation supporting.
Brief description of the drawings
Fig. 1 withdraws work plane fan section hydraulic support structural front view for comprehensive the adopting that the utility model embodiment provides;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is elaborated.Wherein identical component represent with identical Reference numeral.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric center.
Fig. 1 withdraws work plane fan section hydraulic support structural front view for comprehensive the adopting that the utility model embodiment provides. the top view that Fig. 2 is Fig. 1.As depicted in figs. 1 and 2, the utility model embodiment provides a kind of comprehensive adopting to withdraw work plane fan section hydraulic support, comprises side arm and after-frame, and side arm comprises side arm base 1, side arm back timber 2 and front rack supporting device; After-frame comprises after-frame base 3, after-frame back timber 4 and rear rack supporting device.
Wherein, described side arm base 1 is slidably connected with described after-frame base 3; Described side arm back timber 2 is slidably connected with described after-frame back timber 4; Described side arm back timber 2 is fixed on described side arm base 1 by described front rack supporting device; Described after-frame back timber 4 is fixed on described after-frame base 3 by described rear rack supporting device.
Can on after-frame base 3, track be set, side arm base 1 is along track slippage.Meanwhile, track 5 is also set on after-frame back timber 4, side arm back timber 2 is along track 5 slippages.
The present embodiment provides, and comprehensive adopting withdraws work plane fan section hydraulic support and also comprises advancing jack 6, and the base end of advancing jack 6 is fixed on after-frame base 3, and the styletable alive of advancing jack 6 is fixed on side arm base 1.When supporting, realize the alternately supporting of side arm back timber 2 and after-frame back timber 4 by advancing jack 6.
Combine to adopt and withdraw work plane fan section hydraulic support and also comprise control device, control device is connected with the advancing jack of adjacent hydraulic support by fluid pressure line.Control device is the adjacent rack control device of Manual pilot, support operation is by controlling the operating grip of Manual pilot reversal valve at adjacent frame, output hydraulic pressure control signal, drive the commutation of commutation main valve, the highly pressurised liquid of system is flowed out and is controlled the corresponding action of the corresponding hydraulic jack execution of adjacent frame hydraulic support by the spool of the main valve that commutates.The adjacent frame control of hydraulic support Manual pilot, has improved operating personnel's processing safety, ensures that operating personnel are subject to the injury bringing of falling of fan section spoil.
Front rack supporting device comprises the first column 7, the second column 8 and side arm caving shield 9; The bottom of the first column 7, the second column 8 and side arm caving shield 9 is all fixed on side arm base 1, and the top of the first column 7, the second column 8 and side arm caving shield 9 is all rotationally connected with side arm back timber 2.
Preferably, the first column 7 and the second column 8 form by telescopic sleeve, and side arm caving shield 9 is fixedly connected with side arm base 1 by first connecting rod assembly 10.Telescopic sleeve can make the first column 7 and the second column 8 on above-below direction, shrink and stretch out, to meet the supporting in turn of side arm back timber 2 and after-frame back timber 4.
Further, the top of the first column 7, the second column 8 and side arm caving shield 9 is all rotationally connected by cross contiguous block and side arm back timber 2.The effect of cross contiguous block is to make side arm back timber 2 different with second rising of column 8 or the height of reduction at the first column 7, can make side arm back timber 2 all rotate a certain angle on left and right directions and fore-and-aft direction.In the present embodiment, side arm back timber 2 can rotate up 20 ° of left and right at right and left, can face upward the 12 ° of left and right of bowing at fore-and-aft direction.The effect of side arm caving shield 9 is to be connected and fixed side arm back timber 2 to move with roof supporting by expection requirement.
On the basis of above-described embodiment, rear rack supporting device comprises the 3rd column 11 and after-frame caving shield 12; The bottom of the 3rd column 11 and after-frame caving shield 12 is all fixed on after-frame base 3, and the top of the 3rd column 11 and after-frame caving shield 12 is all rotationally connected with after-frame back timber 4.
Preferably, the 3rd column 11 is made up of telescopic sleeve, and after-frame caving shield 12 is fixedly connected with described after-frame base 3 by second connecting rod assembly 13.Telescopic sleeve can make the 3rd column 11 on above-below direction, shrink and stretch out, to meet the supporting in turn of side arm back timber 2 and after-frame back timber 4.
Further, the top of the 3rd column 11 and after-frame caving shield 12 is all rotationally connected by cross contiguous block and after-frame back timber 4.
The effect of cross contiguous block is that after-frame back timber 4 can be rotated a certain angle on left and right directions, to adapt to combine the situation that withdraws work plane fan section special roof of adopting.In the present embodiment, after-frame back timber 4 can rotate up 20 ° of left and right at right and left, can make after-frame back timber 4 face upward at fore-and-aft direction the 12 ° of left and right of bowing to the 3rd column 11 application of forces by balance jack is set.The effect of the effect of after-frame caving shield 12 and side arm caving shield 9 is similar, is mobile with roof supporting by expection requirement in order to be connected and fixed after-frame back timber 4.
Before side arm base 1 moves forward, land fast the first column 7 and the second column 8, make side arm back timber 2 depart from top board, now the complete roof supporting of after-frame back timber 4 and base plate.Now, after-frame, taking roof and floor as support force, is then handled fast advancing jack 6 and is stretched out, and promotes side arm base 1 and moves forward; After advancing jack 6 stretches out completely, rise the first column 7 and the second column 8, make side arm back timber 2 contact top board fast, after the complete support top base plate of side arm back timber 2, side arm is taking roof and floor as support force, and the after-frame back timber 4 that now lands fast, makes after-frame back timber 4 depart from top board.Then pack up fast advancing jack 6, when advancing jack 6 is received completely, rise the 3rd column 11 and make after-frame back timber 4 contact top board, make like this side arm back timber 2 and after-frame back timber 4 be supported for each other a circulation, to meet the maintenance requirement of sector belt special roof.
The utility model embodiment provides, and comprehensive adopting withdraws work plane fan section hydraulic support tool and has the following advantages:
1, realized combining and adopt and withdraw the mechanization supporting of work plane trigonum, for staff and equipment provide safety work space.
2, reduced wood and stamped and the consumption of sleeper, reduced the consumption of individual prop, saved and withdraw cost.
3, improved and withdrawn efficiency, reduced labour intensity, made work plane withdraw work and fulfil fully mechanized coal face ahead of schedule and withdraw demand.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (7)
1. comprehensive adopting withdraws a work plane fan section hydraulic support, it is characterized in that, comprising: side arm and after-frame, and described side arm comprises side arm base, side arm back timber and front rack supporting device; Described after-frame comprises after-frame base, after-frame back timber and rear rack supporting device;
Described side arm base is connected with described after-frame base sliding;
Described side arm back timber and described after-frame back timber are slidably connected;
Described side arm back timber is fixed on described side arm base by described front rack supporting device;
Described after-frame back timber is fixed on described after-frame base by described rear rack supporting device;
Between described side arm base and described after-frame base, be provided with advancing jack, the base end of described advancing jack is fixed on described after-frame base, and the styletable alive of described advancing jack is fixed on described side arm base;
Described combine to adopt withdraw work plane fan section hydraulic support and also comprise control device, described control device is connected with the advancing jack of adjacent hydraulic support by fluid pressure line.
2. comprehensive adopting according to claim 1 withdraws work plane fan section hydraulic support, it is characterized in that: described front rack supporting device comprises the first column, the second column and side arm caving shield; The bottom of described the first column, the second column and side arm caving shield is all fixed on described side arm base, and the top of described the first column, the second column and side arm caving shield is all rotationally connected with described side arm back timber.
3. comprehensive adopting according to claim 2 withdraws work plane fan section hydraulic support, it is characterized in that: described the first column and described the second column form by telescopic sleeve, described side arm caving shield is fixedly connected with described side arm base by first connecting rod assembly.
4. comprehensive adopting according to claim 2 withdraws work plane fan section hydraulic support, it is characterized in that: the top of described the first column, the second column and side arm caving shield is all rotationally connected by cross contiguous block and described side arm back timber.
5. comprehensive adopting according to claim 1 withdraws work plane fan section hydraulic support, it is characterized in that: described rear rack supporting device comprises the 3rd column and after-frame caving shield; The bottom of described the 3rd column and after-frame caving shield is all fixed on described after-frame base, and the top of described the 3rd column and after-frame caving shield is all rotationally connected with described after-frame back timber.
6. comprehensive adopting according to claim 5 withdraws work plane fan section hydraulic support, it is characterized in that: described the 3rd column is made up of telescopic sleeve, and described after-frame caving shield is fixedly connected with described after-frame base by second connecting rod assembly.
7. comprehensive adopting according to claim 5 withdraws work plane fan section hydraulic support, it is characterized in that: the top of described the 3rd column and after-frame caving shield is all rotationally connected by cross contiguous block and described after-frame back timber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136337.0U CN203783608U (en) | 2014-03-24 | 2014-03-24 | Hydraulic support for supporting fan-shaped area of fully-mechanized mining withdrawing working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136337.0U CN203783608U (en) | 2014-03-24 | 2014-03-24 | Hydraulic support for supporting fan-shaped area of fully-mechanized mining withdrawing working face |
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| Publication Number | Publication Date |
|---|---|
| CN203783608U true CN203783608U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136337.0U Expired - Lifetime CN203783608U (en) | 2014-03-24 | 2014-03-24 | Hydraulic support for supporting fan-shaped area of fully-mechanized mining withdrawing working face |
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| CN (1) | CN203783608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883337A (en) * | 2014-03-24 | 2014-06-25 | 神华集团有限责任公司 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
-
2014
- 2014-03-24 CN CN201420136337.0U patent/CN203783608U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883337A (en) * | 2014-03-24 | 2014-06-25 | 神华集团有限责任公司 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Zhongchang Inventor after: Zhang Yongqiang Inventor after: Wang Lin Inventor after: Ma Jun Inventor after: Qi Gang Inventor before: Ma Zhongchang Inventor before: Wang Lin Inventor before: Ma Jun Inventor before: Qi Gang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA ZHONGCHANG WANG LIN MA JUN QI GANG TO: MA ZHONGCHANG ZHANG YONGQIANG WANG LIN MA JUN QI GANG |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |