CN103883337A - Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face - Google Patents
Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face Download PDFInfo
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- CN103883337A CN103883337A CN201410111491.7A CN201410111491A CN103883337A CN 103883337 A CN103883337 A CN 103883337A CN 201410111491 A CN201410111491 A CN 201410111491A CN 103883337 A CN103883337 A CN 103883337A
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- side arm
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- back timber
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Abstract
The invention discloses a fan-shaped section supporting hydraulic support of a fully-mechanized coal mining retracement working face. The fan-shaped section supporting hydraulic support comprises a front support and a back support, the front support comprises a front support base, a front support top beam and a front support supporting device, the back support comprises a back support base, a back support top beam and a back support supporting device, the front support base is in sliding connection with the back support base, the front support top beam is in sliding connection with the back support top beam, the front support top beam is fixed on the front support base through the front support supporting device, and the back support top beam is fixed on the back support base through the back support supporting device. A pushing jack is arranged between the front support base and the back support base, the hydraulic support further comprises a control device, and the control device is connected with a pushing jack of an adjacent hydraulic support through a hydraulic pipe. By means of the fan-shaped section supporting hydraulic support of the fully-mechanized coal mining retracement working face, the front support and the back support are arranged and circularly move forwards, and a top plate is supported by the front support top beam and the back support top beam in turns. Compared with the prior art, the production safety is improved, and the supporting cost is reduced.
Description
Technical field
The present invention relates to fully-mechanized mining working support technology, relate in particular to a kind of comprehensive adopting and withdraw 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.
Summary of the invention
The invention provides a kind of comprehensive adopting and 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, improve supporting intensity, ensure safety work.
The invention provides a kind of comprehensive adopting and withdraw work plane fan section hydraulic support, wherein, comprising: side arm and after-frame, 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 adopting provided by the invention 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 invention promotes fully-mechanized mining working and withdraws 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 embodiment of the present invention provides;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.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 embodiment of the present invention provides. the top view that Fig. 2 is Fig. 1.As depicted in figs. 1 and 2, the embodiment of the present invention 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 embodiment of the present invention 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 technical scheme of the present invention to be described, is not intended to limit; Although the present invention 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 various embodiments of the present invention technical scheme.
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 |
|---|---|---|---|
| CN201410111491.7A CN103883337A (en) | 2014-03-24 | 2014-03-24 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111491.7A CN103883337A (en) | 2014-03-24 | 2014-03-24 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
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| CN103883337A true CN103883337A (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410111491.7A Pending CN103883337A (en) | 2014-03-24 | 2014-03-24 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533497A (en) * | 2014-12-23 | 2015-04-22 | 中煤北京煤矿机械有限责任公司 | Upright hydraulic system with auxiliary liquid supply pipeline |
| CN107654250A (en) * | 2017-11-09 | 2018-02-02 | 神华集团有限责任公司 | Fully mechanized mining withdraws working face fan section and withdraws method |
| CN109882229A (en) * | 2019-04-15 | 2019-06-14 | 辽宁鑫丰矿业（集团）有限公司 | A kind of fully-mechanized mining working withdraws sector support devices and support system |
| CN111946378A (en) * | 2020-07-29 | 2020-11-17 | 煤炭科学研究总院 | Light electric bracket for coal mine |
| CN112593985A (en) * | 2020-11-11 | 2021-04-02 | 兖州煤业股份有限公司 | Support withdrawing device |
| CN113653523A (en) * | 2021-09-22 | 2021-11-16 | 中国煤炭科工集团太原研究院有限公司 | Triangular area wide temporary support device and method for quickly withdrawing hydraulic support |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104533497A (en) * | 2014-12-23 | 2015-04-22 | 中煤北京煤矿机械有限责任公司 | Upright hydraulic system with auxiliary liquid supply pipeline |
| CN107654250A (en) * | 2017-11-09 | 2018-02-02 | 神华集团有限责任公司 | Fully mechanized mining withdraws working face fan section and withdraws method |
| CN107654250B (en) * | 2017-11-09 | 2020-03-20 | 神华集团有限责任公司 | Fully mechanized mining withdrawing working face sector withdrawing method |
| CN109882229A (en) * | 2019-04-15 | 2019-06-14 | 辽宁鑫丰矿业（集团）有限公司 | A kind of fully-mechanized mining working withdraws sector support devices and support system |
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| CN111946378A (en) * | 2020-07-29 | 2020-11-17 | 煤炭科学研究总院 | Light electric bracket for coal mine |
| CN112593985A (en) * | 2020-11-11 | 2021-04-02 | 兖州煤业股份有限公司 | Support withdrawing device |
| CN113653523A (en) * | 2021-09-22 | 2021-11-16 | 中国煤炭科工集团太原研究院有限公司 | Triangular area wide temporary support device and method for quickly withdrawing hydraulic support |
| CN113653523B (en) * | 2021-09-22 | 2023-09-12 | 中国煤炭科工集团太原研究院有限公司 | Triangular-area wide temporary support device and support method for quickly withdrawing hydraulic support |
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Application publication date: 20140625 |
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