CN102748056A - Large-inclination blasting mining light top coal caving bracket set - Google Patents

Large-inclination blasting mining light top coal caving bracket set Download PDF

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Publication number
CN102748056A
CN102748056A CN2012102592071A CN201210259207A CN102748056A CN 102748056 A CN102748056 A CN 102748056A CN 2012102592071 A CN2012102592071 A CN 2012102592071A CN 201210259207 A CN201210259207 A CN 201210259207A CN 102748056 A CN102748056 A CN 102748056A
Authority
CN
China
Prior art keywords
base
coal
hydraulic support
oil cylinder
inclination
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.)
Pending
Application number
CN2012102592071A
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Chinese (zh)
Inventor
杨广兵
张志远
吴昊
秦香军
王振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG MINING MACHINERY GROUP CO Ltd
Original Assignee
SHANDONG MINING MACHINERY GROUP CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANDONG MINING MACHINERY GROUP CO Ltd filed Critical SHANDONG MINING MACHINERY GROUP CO Ltd
Priority to CN2012102592071A priority Critical patent/CN102748056A/en
Publication of CN102748056A publication Critical patent/CN102748056A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a large-inclination blasting mining light top coal caving bracket set which comprises three hydraulic brackets, wherein the hydraulic brackets are horizontally arranged at intervals and are same in structure; each of the hydraulic brackets comprises a base and a top beam; a holding plate is connected with the front end of the top beam; a supporting frame is arranged on the base; a connecting rod is arranged between the supporting frame and the top beam; a front coal sliding plate is connected with the front end of the hydraulic bracket which is located in middle while a rear coal sliding frame is connected with the rear end; a push-pull cylinder and a dragging cylinder are respectively connected with the bases of the hydraulic brackets on two sides; a piston rod of the push-pull cylinder is hinged with the front coal sliding plate; the piston rod of the dragging cylinder is hinged with the rear coal sliding frame; sleeves are arranged on the bases of the hydraulic brackets; supporting shafts are arranged in the sleeves; an anti-skidding cylinder is hinged between the supporting shafts on the bases of two adjacent hydraulic brackets; an anti-falling bracket which extends downward is arranged on the top beam; and an anti-falling cylinder is hinged between the anti-falling brackets of the two adjacent hydraulic brackets. The large-inclination blasting mining light top coal caving bracket set has the advantages that the stability of the brackets is high and the bracket set is suitable for the mining of a large-inclination ultra-thick coal working surface.

Description

A kind of high inclination-angle big gun is adopted the light caving coal prop group
Technical field
The present invention relates to a kind of high inclination-angle big gun and adopt the light caving coal prop group.
Background technology
China's high inclination-angle super high seam mainly is distributed in areas such as Xinjiang and Gansu, and conventional sublevel caving hydrau lic support can't satisfy the needs of high inclination-angle, under the state of 60 ° of high inclination-angles; Conventional machine is adopted coal breakage technology and can't be realized; And complex process, operating difficulties can't be realized the economy exploitation.The support apparatus that is suitable for the economy exploitation at present is a cantilever support, and not only production efficiency is low, and labor strength is high, the safety extreme difference, and high inclination-angle super high seam existence exploitation is difficult, production efficiency is low, labour intensity is high, the problem of poor stability.
Summary of the invention
The technical problem that the present invention will solve provides a kind of high inclination-angle big gun of high inclination-angle super high seam production practice that is applicable to and adopts the light caving coal prop group.
For solving the problems of the technologies described above; The high inclination-angle big gun that is provided is adopted the light caving coal prop group and is comprised that three are horizontally arranged at interval and hydraulic support that structure is identical; Hydraulic support comprises base and be connected the back timber on the base through bracket upright post, and the front end of back timber is connected with the face guard by the wall supporting hydraulic oil cylinder driving, and its design feature is: the postmedian of base also is arranged with bracing frame; Between bracing frame and the back timber connecting rod is housed; The front end of the hydraulic support in the middle of being positioned at slips coal frame, rear end and is connected with the back and slips the coal frame through being fixed in drawbar on its base through being fixed in before connection pole on its base is connected with, be connected with the push cylinder of stretching out the hydraulic support front end on the base of the hydraulic support of both sides respectively and stretch out the dilatory oil cylinder at hydraulic support rear portion, slips before the piston rod of push cylinder is hinged on the coal frame; The piston rod of dilatory oil cylinder is hinged on the back slide coal frame; The base of hydraulic support is provided with sleeve, and bolster is housed in the sleeve, is hinged with anti-skidding oil cylinder between the bolster on adjacent two hydraulic support foundations; The falling-proof bracket of stretching is housed down on the back timber, is hinged with anti-down oil cylinder between the falling-proof bracket of adjacent two hydraulic supports.
The anti-skidding oil cylinder of the side of stretching out laterally is housed respectively on the base of the hydraulic support of both sides.
Wherein on the base of the hydraulic support of a side anti-block apparatus is housed.
Said anti-block apparatus comprises the anti-blocking oil cylinder that is connected the base sidepiece, and the anti-blocking jumper bar that stretches out forward is housed on the piston rod of anti-blocking oil cylinder.
The postmedian of said back timber slidely connects side guard board, and the side guard board oil cylinder of driving side backplate slippage laterally also is housed on the back timber.
The front end of back timber is equipped with by the extensible canopy that promotes hydraulic oil cylinder driving, and said face guard is hinged on the bottom of extensible canopy, and the protective screening spool also is equipped with in the front portion of back timber, has installed around protective screening on the protective screening spool, and the free end of protective screening is connected on the preceding slide coal frame.
After adopting said structure; This groups of holders can be unworthy of scraper plate machine and coal-winning machine, has realized the complete supporting to top board, and three is one group of reach of taking a step mutually; The traction point that the preceding slide coal frame that the support front end is established is every group of hydraulic support; Solved the passing problem of hydraulic support when not disposing the scraper plate machine, the back slide coal frame that back-end support is established helps the natural downslide of rear portion coal; Support is provided with reliable anti-down oil cylinder and anti-skidding oil cylinder, can adapt to≤60 ° high inclination-angle production practice, can satisfy the needs of once passing the 800mm step pitch; Hydraulic support leans on the passing jack on the hydraulic support of both sides to carry out alternately reach of support; The back timber of hydraulic support is an overall structure, and the double connecting rod that is provided with on the hydraulic support rationally uses high-strength slab supporting back timber; Guarantee the stability of hydraulic support, alleviated weight support frame.The anti-block apparatus that is provided with can prevent effectively that the slide coal mouth between the adjacent stent group from blocking; Front end is provided with face guard, extensible canopy and protective screening, will slip breeching and hydraulic support inner space effectively to isolate, and damages hydraulic support when preventing explosion; Hydraulic support is provided with the bilateral activity side guard board, remains the full closeding state of top board, prevents the spoil working space that falls; Protective screening is set on the hydraulic support, prevents the spoil pedestrian space of falling.
In sum, the present invention has the advantage that support stability is strong, be applicable to high inclination-angle super high seam working face mining.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described:
Fig. 1 is a structural representation of the present invention;
Fig. 2 be among Fig. 1 A to sketch map;
Fig. 3 be among Fig. 1 B to sketch map;
Fig. 4 is installed in the sketch map on the back timber for side guard board.
The specific embodiment
As depicted in figs. 1 and 2; This high inclination-angle big gun is adopted the light caving coal prop group and is comprised that three are horizontally arranged at interval and hydraulic support that structure is identical; Hydraulic support comprises base 1 and is connected the back timber 11 on the base 1 through bracket upright post 12; Bracket upright post 12 on each base is symmetrical set four altogether; The front end of back timber 11 is connected with the face guard 13 by the wall supporting hydraulic oil cylinder driving, and the postmedian of base 1 also is arranged with bracing frame 14, between bracing frame 14 and the back timber 11 connecting rod 15 is housed; The front end of the hydraulic support in the middle of being positioned at slips coal frame 3, rear end and is connected with the back and slips coal frame 8 through being fixed in drawbar 7 on its base through being fixed in before connection pole 2 on its base is connected with; Be connected with the push cylinder 4 of stretching out the hydraulic support front end on the base 1 of the hydraulic support of both sides respectively and stretch out the dilatory oil cylinder 6 at hydraulic support rear portion, slip before the piston rod of push cylinder 4 is hinged on the coal frame 3, the piston rod of dilatory oil cylinder 6 is hinged on the back slide coal frame 8.When moving frame; Post (being that its back timber leaves top board) falls in middle hydraulic support; The hydraulic support back timber of both sides leans on top board, starts push cylinder 4, the hydraulic support that drives the centre when coal frame 3 moves forward of ordering about before, the slipping step pitch that moves forward; Middle hydraulic support setting prop (being that its back timber leans on top board); Post (being that its back timber leaves top board) falls in the hydraulic support of both sides, and the hydraulic support that under the effect of push cylinder 4, drives both sides moves, thereby realizes that this groups of holders moves a step pitch.
As shown in Figures 2 and 3, the front and rear of the base 1 of hydraulic support respectively is provided with two sleeves, and bolster is housed in the sleeve; Be hinged with anti-skidding oil cylinder 9 between the adjacent bolster on adjacent two hydraulic support foundations; The falling-proof bracket of stretching under two 5 is housed on the back timber 11 of each hydraulic support, is hinged with anti-down oil cylinder 10 between the adjacent falling-proof bracket 5 of adjacent two hydraulic supports, be connected as a single entity through the back timber 11 of anti-down oil cylinder 10 with three hydraulic supports; To be applicable to the high inclination-angle production practice; The anti-skidding oil cylinder 15 of the side of stretching out laterally is housed respectively on the base of the hydraulic support of both sides, the overhanging end of the anti-skidding oil cylinder 15 of side be connected with adjacent supports group of the present invention on, a plurality of groups of holders are connected as a single entity; Thereby effectively anti-skidding, to be applicable to mining steeply dipping coal seam.
As shown in Figure 2, wherein on the base 1 of the hydraulic support of a side anti-block apparatus is housed, this anti-block apparatus comprises the anti-blocking oil cylinder 16 that is connected base 1 sidepiece, and the anti-blocking jumper bar 17 that stretches out forward is housed on the piston rod of anti-blocking oil cylinder 16.Like Fig. 1 and shown in Figure 4, the postmedian of back timber 11 slidely connects two blocks of side guard boards 18 that stretch out to both sides respectively, and the side guard board oil cylinder 19 of driving side backplate 18 slippage laterally also is housed on the back timber.The front end of back timber 11 is equipped with by the extensible canopy 22 that promotes hydraulic oil cylinder driving; Above-mentioned face guard 13 is hinged on the bottom of extensible canopy; Protective screening spool 20 also is equipped with in the front portion of back timber 11, has installed around protective screening 21 on the protective screening spool 20, and the free end of protective screening 21 is connected on the preceding slide coal frame 3.

Claims (6)

1. a high inclination-angle big gun is adopted the light caving coal prop group; Comprise that three are horizontally arranged at interval and hydraulic support that structure is identical; Hydraulic support comprises base (1) and is connected the back timber (11) on the base through bracket upright post (12); The front end of back timber (11) is connected with the face guard (13) by the wall supporting hydraulic oil cylinder driving; It is characterized in that: the postmedian of base (1) also is arranged with bracing frame (14), between bracing frame (14) and the back timber (11) connecting rod (15) is housed, and the front end of the hydraulic support in the middle of being positioned at slips coal frame (3), rear end and is connected with the back and slips coal frame (8) through being fixed in drawbar (7) on its base through being fixed in before connection pole (2) on its base is connected with; Be connected with push cylinder (4) of stretching out the hydraulic support front end and the dilatory oil cylinder (6) that stretches out the hydraulic support rear portion on the base of the hydraulic support of both sides respectively; Slip before the piston rod of push cylinder (4) is hinged on the coal frame (3), the piston rod of dilatory oil cylinder (6) is hinged on the back slide coal frame (8), and the base of hydraulic support (1) is provided with sleeve; Bolster is housed in the sleeve; Be hinged with anti-skidding oil cylinder (9) between the bolster on adjacent two hydraulic support foundations, the falling-proof bracket of stretching (5) is housed down on the back timber (11), be hinged with anti-down oil cylinder (10) between the falling-proof bracket of adjacent two hydraulic supports (5).
2. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group, it is characterized in that: the anti-skidding oil cylinder of the side of stretching out laterally (15) is housed respectively on the base of the hydraulic support of both sides.
3. high inclination-angle big gun according to claim 1 and 2 is adopted the light caving coal prop group, it is characterized in that: wherein on the base of the hydraulic support of a side (1) anti-block apparatus is housed.
4. high inclination-angle big gun according to claim 3 is adopted the light caving coal prop group; It is characterized in that: said anti-block apparatus comprises the anti-blocking oil cylinder (16) that is connected base (1) sidepiece, and the anti-blocking jumper bar (17) that stretches out forward is housed on the piston rod of anti-blocking oil cylinder (16).
5. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group; It is characterized in that: the postmedian of said back timber (11) slidely connects side guard board (18), and the side guard board oil cylinder (19) of driving side backplate (18) slippage laterally also is housed on the back timber.
6. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group; It is characterized in that: the front end of back timber (11) is equipped with by the extensible canopy (22) that promotes hydraulic oil cylinder driving; Said face guard is hinged on the bottom of extensible canopy; Protective screening spool (20) also is equipped with in the front portion of back timber (11), has installed around protective screening (21) on the protective screening spool (20), and the free end of protective screening (21) is connected on the preceding slide coal frame (3).
CN2012102592071A 2012-07-25 2012-07-25 Large-inclination blasting mining light top coal caving bracket set Pending CN102748056A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943683A (en) * 2012-11-15 2013-02-27 山东矿机集团股份有限公司 Hydraulic support protection net device
CN104500119A (en) * 2014-12-11 2015-04-08 中煤北京煤矿机械有限责任公司 Large-dip-angle thin-coal-seam support anchor structure
CN106401623A (en) * 2016-11-09 2017-02-15 安徽理工大学 Full-closed coal mining device for soil-like coal working face and coal mining method of full-closed coal mining device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2693951Y (en) * 2004-02-04 2005-04-20 天地科技股份有限公司 High inclination-angle hydraulic support
CN2780992Y (en) * 2004-12-10 2006-05-17 兖州煤业股份有限公司 Electrichydraulic control caving coal hydraulic chock
CN201843629U (en) * 2010-11-07 2011-05-25 山东浩珂矿业工程有限公司 Fiber mesh device used for controlling top plate
CN202745907U (en) * 2012-07-25 2013-02-20 山东矿机集团股份有限公司 Large-dip-angle blasting light top coal caving support group

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2693951Y (en) * 2004-02-04 2005-04-20 天地科技股份有限公司 High inclination-angle hydraulic support
CN2780992Y (en) * 2004-12-10 2006-05-17 兖州煤业股份有限公司 Electrichydraulic control caving coal hydraulic chock
CN201843629U (en) * 2010-11-07 2011-05-25 山东浩珂矿业工程有限公司 Fiber mesh device used for controlling top plate
CN202745907U (en) * 2012-07-25 2013-02-20 山东矿机集团股份有限公司 Large-dip-angle blasting light top coal caving support group

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943683A (en) * 2012-11-15 2013-02-27 山东矿机集团股份有限公司 Hydraulic support protection net device
CN102943683B (en) * 2012-11-15 2015-04-08 山东矿机集团股份有限公司 Hydraulic support protection net device
CN104500119A (en) * 2014-12-11 2015-04-08 中煤北京煤矿机械有限责任公司 Large-dip-angle thin-coal-seam support anchor structure
CN106401623A (en) * 2016-11-09 2017-02-15 安徽理工大学 Full-closed coal mining device for soil-like coal working face and coal mining method of full-closed coal mining device
WO2018086327A1 (en) * 2016-11-09 2018-05-17 安徽理工大学 Full-closed coal mining device for soil-like coal working face and coal mining method thereof

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Application publication date: 20121024

C02 Deemed withdrawal of patent application after publication (patent law 2001)