CN107165664A - A kind of slope thick seam tunnels superelevation stope drift active workings Qie Dingliu lanes method along top - Google Patents

A kind of slope thick seam tunnels superelevation stope drift active workings Qie Dingliu lanes method along top Download PDF

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Publication number
CN107165664A
CN107165664A CN201710559245.1A CN201710559245A CN107165664A CN 107165664 A CN107165664 A CN 107165664A CN 201710559245 A CN201710559245 A CN 201710559245A CN 107165664 A CN107165664 A CN 107165664A
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tunnel
coal
anchor
shaped steel
hydraulic prop
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CN201710559245.1A
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CN107165664B (en
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王猛
常佳文
张盛
肖同强
神文龙
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YANGZHOU ZHONGKUANG BUILDING NEW MATERIAL TECHNOLOGY Co.,Ltd.
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Henan University of Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0013Frame type supports
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0472Supports specially adapted for people walking or transporting material
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06Special mine caps or special tops of pit-props for permitting step-by-step movement

Abstract

A kind of method the present invention relates to slope thick seam along top driving superelevation stope drift active workings Qie Dingliu lanes, using joint driving and control technology stage by stage, specific method is:Stope drift active workings are tunneled, using combined support with bolt-net-cable;Before working face extraction, top anchor cable is cut to stope drift active workings construction in front of working face and top drilling is cut, planted agent is carried out afterwards and expands brush section, polishing roadside support, simultaneously in high side pendant net, " hydraulic prop+articulated roof beam+U-shaped steel canopy+grillage " strengthening supporting is imposed to tunnel;During working face extraction, anchor is moved back to high side, termination Triangle Coal, the lapping after frame is reclaimed, and connects high side mesh sheet, Qie Dingliu lanes is formed and realizes multiplexing.The present invention is simple and easy to apply, can effectively solve supporting construction it is anti-push over, coal side wall caving the problems such as, realize tunnel multiplexing and support material reclaimed, add termination triangle coal recovery, production cost is reduced, with good economic and social benefit.

Description

A kind of slope thick seam tunnels superelevation stope drift active workings Qie Dingliu lanes method along top
Technical field
The present invention relates to coal mining and tunnelling and support technology, particularly a kind of slope thick seam is super along top driving The method in high stope drift active workings Qie Dingliu lanes.
Background technology
Gob side entry retaining with raising coal recovery rate, reduces tunnel as a kind of arrangement of non chain pillar entryprotection Drivage ratio, alleviate working face digging continue anxiety the advantages of, be widely used in coal production.But, it is thick for high methane Coal seam gob side entry retaining, for convenience of working face extraction, stope drift active workings easily cause gas at upper corner to accumulate frequently with along bottom tunneling method The problems such as gathering, crush, serious challenge is brought to mine safety production.If using along top tunneling method, occurred again The problem of face end Triangle Coal largely loses, adds the loss amount of coal resources.
Based on above-mentioned analysis, the measures such as lane height, adjustment termination coal cutting angle are stayed to have along top driving stope drift active workings, increase Effect solves the above problems, therefore, the present invention is from produced on-site reality, solves superelevation roadway support, coal side wall caving and emits Fall the problems such as spoil is into tunnel, to provide practicable approach along top driving superelevation stope drift active workings gob side entry retaining.
The content of the invention
For above-mentioned situation, to overcome the defect of prior art, tunneled the invention provides a kind of slope thick seam along top Superelevation stope drift active workings Qie Dingliu lanes method, using " anchor rete cord+hydraulic prop+articulated roof beam+U-shaped steel canopy+grillage " sublevel Duan Lianhe is tunneled and control technology, efficiently solve supporting construction it is anti-push over, coal side wall caving, caved gangue enter tunnel etc. and asked Topic, realizes the recycling of the support materials such as hydraulic prop, articulated roof beam and U-shaped steel, adds face end three Angle coal yield.
The technical scheme that the present invention is solved is to comprise the following steps:
(1)During working face extraction tunnelling, tunnel is tunneled along top, drift section(It is wide × high)For 4700mm × 3500mm, Profile height is height at center line in roadway, using combined support with bolt-net-cable;
(2)Before working face extraction, top drilling is cut to stope drift active workings construction in front of working face, makes back can with face roof Smoothly to disconnect, it is ensured that the complete of back pushes up drilling depth for 15m with stably, cutting, and after construction terminates, top board construction is cut Anchor cable is pushed up, Anchor reinforced support is carried out to the real coal body side in tunnel, then planted agent expands brush section and polishing anchor pole, and tunnel is broken after expansion Face(It is wide × high)For 4700mm × 5500mm, expand tunnel after brush section and become superelevation tunnel, reduce the Triangle Coal of termination, effectively Improve the rate of extraction of working face;
(3)Anchor reinforced support is carried out to the real coal body side in garden-fresh tunnel, then top anchor cable is cut in tunnel high side side top plate Upper linked network, the height of first linked network is concordant with tunnel high side, mesh sheet is covered tunnel high side;
(4)" hydraulic prop+articulated roof beam+U-shaped steel canopy+grillage " strengthening supporting is taken tunnel;
(5)During working face extraction, anchor is moved back to high side, the Triangle Coal of termination is reclaimed, according to coal-winning machine performance, increases as much as possible The coal cutting angle of termination, to improve termination triangle coal yield, after the completion of coal cutting, moves frame and lays metal at support rear Net, mesh sheet is connected with high side mesh sheet, prevents caved gangue from entering tunnel, is formed Qie Dingliu lanes and is realized multiplexing.
The present invention is simple and easy to apply, can effectively solve anti-push over of supporting construction and wait roadway support relevant issues, realize that cutting top stays Lane and multiplexing, and the support material such as recoverable hydraulic prop, articulated roof beam and U-shaped steel, increase face end three Angle coal yield, farthest reduces cost, obtains good economic and social benefit.
Brief description of the drawings
Fig. 1 is schematic diagram when stope drift active workings of the present invention tunnel completion;
Fig. 2 is the schematic diagram that stope drift active workings of the present invention take advanced planted agent to expand after brush section;
Fig. 3 is the schematic diagram in working face extraction Hou Qiedingliu lanes of the present invention.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with accompanying drawing and concrete condition.
As shown in Fig. 1-3, the present invention is realized in specific implementation by following steps:
(1)During working face extraction tunnelling, tunnel is tunneled along top plate 1, tunnel bottom level, and two help vertical, and top is along rock Inclination layer is tilted, and removes false roof, drift section(It is wide × high)For 4700mm × 3500mm, profile height is high at center line in roadway Degree, using combined support with bolt-net-cable 4;
(2)Before working face extraction, to stope drift active workings in front of working face, top drilling 6 is cut in the side roof part edge of high side 2 in tunnel, construction, Back is smoothly disconnected with face roof, it is ensured that back it is complete with stably, cut top drilling 6 depth be 15m, after construction terminates, cuts top anchor cable 14 for two, real coal body helps 2 appropriate positions in tunnel in top plate 1 close to 2 side complement of tunnel high side Put, tilt upward piece reinforcement anchor cable 5 of complement, each anchor cable of complement must ensure to be anchored on old top, and then planted agent's expansion brush is disconnected Face and polishing anchor pole, drift section after expansion(It is wide × high)For 4700mm × 5500mm, expand tunnel after brush section and become superelevation lane Road, reduces the Triangle Coal of termination, effectively increases the rate of extraction of working face, and according to live reality, the distance constructed in advance can To be selected between 10m-40m;
(3)Anchor reinforced support is carried out to the real coal body side 3 in garden-fresh tunnel, real coal body helps 3 bottom appropriate locations in tunnel, inclines Piece reinforcement anchor cable 5 of complement, first to hang then in the close plating net 11 on the anchor cable 14 of top of cutting of the side roof part of tunnel high side 2 obliquely The height of net is concordant with tunnel high side 2, wire netting 11 is covered tunnel high side 2;
(4)Tunnel is carried out " strengthening supporting of hydraulic prop 7+ articulated roof beam 9+U type steel shed 8+ grillages 12 ", method is, Away from hydraulic prop 7 is set at the real coal body side 500mm in tunnel, interval suitable distance sets a hydraulic prop 7 again, The top of hydraulic prop 7 sets up U-shaped steel cap, and in tunnel, the side of high side 2 sets up U-shaped steel canopy leg, and with U-shaped steel cap card cable 10 link into an integrated entity, and form U-shaped steel canopy 8, the horizontal thrust that control caved gangue 13 is produced, the U-shaped height of steel canopy 8 is 4500mm, The wire netting 11 of the pendant of tunnel high side 2 is placed in outside U-shaped steel canopy 8, and the hydraulic prop 7 set up after movement is to away from the real coal body in tunnel Help at 1000mm, and increase articulated roof beam 9 on hydraulic prop 7, increase the supporting area of hydraulic prop 7, formed The supporting construction of hydraulic prop 7+ articulated roof beam 9+U type steel sheds 8, the U-shaped top of steel canopy 8 is not connect top position and carried on the back using grillage 12 It is real, roof deformation space is reduced, " the reinforcement branch of hydraulic prop 7+ articulated roof beam 9+U type steel shed 8+ grillages 12 " is ultimately formed Shield;
(5)During working face extraction, anchor is moved back to tunnel high side 2, the Triangle Coal of termination is reclaimed, according to the performance of coal-winning machine, to use up Possibly increase the coal cutting angle of termination, to improve termination triangle coal yield, after the completion of coal cutting, move frame and at support rear Wire netting 11 is laid, mesh sheet is connected with high side mesh sheet, prevents caved gangue 13 from entering tunnel, Qie Dingliu lanes is formed and realizes multiple With.
The present invention is simple and easy to apply, can effectively solve anti-push over of supporting construction and wait roadway support relevant issues, realize that cutting top stays Lane and multiplexing, and the support material such as recoverable hydraulic prop, articulated roof beam and U-shaped steel, increase face end three Angle coal yield, farthest reduces cost, obtains good economic and social benefit.

Claims (2)

1. a kind of slope thick seam tunnels superelevation stope drift active workings Qie Dingliu lanes method along top, it is characterised in that comprise the following steps:
1)During working face extraction tunnelling, tunnel is tunneled along top, drift section(It is wide × high)For 4700mm × 3500mm, break Face is highly height at center line in roadway, using combined support with bolt-net-cable;
2)Before working face extraction, top drilling is cut to stope drift active workings construction in front of working face, it is 15m, construction knot to cut top drilling depth Shu Hou, top anchor cable is cut to top board construction, carries out Anchor reinforced support to the real coal body side in tunnel, then planted agent expands brush section and polishing Drift section after anchor pole, expansion(It is wide × high)For 4700mm × 5500mm;
3)Anchor reinforced support is carried out to the real coal body side in garden-fresh tunnel, then cutting on the anchor cable of top in tunnel high side side top plate Linked network, the height of first linked network is concordant with tunnel high side, mesh sheet is covered tunnel high side;
4)" hydraulic prop+articulated roof beam+U-shaped steel canopy+grillage " strengthening supporting is taken tunnel;
5)During working face extraction, anchor is moved back to high side, the Triangle Coal of termination is reclaimed, according to coal-winning machine performance, increases as much as possible The coal cutting angle of termination, after the completion of coal cutting, moves frame and in the lapping of support rear, mesh sheet is connected with high side mesh sheet, top is cut in formation Stay lane and realize multiplexing.
2. a kind of slope thick seam according to claim 1 is along top driving superelevation stope drift active workings Qie Dingliu lanes method, it is special Levy and be, specifically realized by following steps:
1)During working face extraction tunnelling, tunnel is along top plate(1)Driving, tunnel bottom level, two help vertical, and top is along rock Inclination layer is tilted, and removes false roof, drift section(It is wide × high)For 4700mm × 3500mm, profile height is high at center line in roadway Degree, using combined support with bolt-net-cable(4);
2)Before working face extraction, to stope drift active workings in front of working face, in tunnel high side(2)Top drilling is cut in side roof part edge, construction (6), cut top drilling(6)Depth is 15m, after construction terminates, in top plate(1)Close to tunnel high side(2)Side complement two cuts top anchor Rope(14), in the real coal body side in tunnel(2)Appropriate location, tilts upward piece reinforcement anchor cable of complement(5), each anchor cable palpus of complement Ensure to be anchored on old top, then planted agent expands brush section and polishing anchor pole, drift section after expansion(It is wide × high)For 4700mm × 5500mm, according to live reality, the distance constructed in advance may be selected between 10m-40m;
3)To the real coal body side in garden-fresh tunnel(3)Anchor reinforced support is carried out, in the real coal body side in tunnel(3)The appropriate position in bottom Put, diagonally downward piece reinforcement anchor cable of complement(5), then in tunnel high side(2)Side roof part cuts top anchor cable(14)Upper close plating Net(11), height and the tunnel high side of first linked network(2)Concordantly, wire netting is made(11)Cover tunnel high side(2);
4)" hydraulic prop is carried out to tunnel(7)+ articulated roof beam(9)+ U-shaped steel canopy(8)+ grillage(12)" strengthening supporting, side Method is, away from the real coal body side in tunnel(3)Hydraulic prop is set at 500mm(7), it is spaced suitable distance and one monomer is set again Hydraulic prop(7), in hydraulic prop(7)Top sets up U-shaped steel cap, in tunnel high side(2)Side sets up U-shaped steel canopy leg, And with U-shaped steel cap card cable(10)Link into an integrated entity, form U-shaped steel canopy(8), U-shaped steel canopy(8)Highly it is 4500mm, tunnel High side(2)The wire netting of pendant(11)It is placed in U-shaped steel canopy(8)Outside, the hydraulic prop set up after movement(7)To away from tunnel reality Coal body is helped(3)At 1000mm, and in hydraulic prop(7)Upper increase articulated roof beam(9), form hydraulic prop(7)+ hinge Connect back timber(9)+ U-shaped steel canopy(8)Supporting construction, U-shaped steel canopy(8)Top does not connect top position and uses grillage(12)The back of the body is real, most end form Into " hydraulic prop(7)+ articulated roof beam(9)+ U-shaped steel canopy(8)+ grillage(12)" strengthening supporting;
5)During working face extraction, to tunnel high side(2)Anchor is moved back, the Triangle Coal of termination is reclaimed, according to the performance of coal-winning machine, to use up Possibly increase the coal cutting angle of termination, after the completion of coal cutting, move frame and lay wire netting at support rear(11), by mesh sheet and height Mesh sheet connection is helped, Qie Dingliu lanes is formed and realizes multiplexing.
CN201710559245.1A 2017-07-11 2017-07-11 A kind of slope thick seam edge top driving lane superelevation stope drift active workings Qie Dingliu method Active CN107165664B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630700A (en) * 2017-10-25 2018-01-26 山西晋煤集团技术研究院有限责任公司 A kind of superelevation tunnel " first choose and dig afterwards " is into lane method
CN108049896A (en) * 2017-12-19 2018-05-18 河南力行科创矿山技术开发有限公司 A kind of fully mechanized coal face gob-side entry retaining method
CN108150170A (en) * 2017-12-27 2018-06-12 中国矿业大学(北京) The Support Method with sinking along bottom back is administered along top Floor Heave in Roadway
CN108643907A (en) * 2018-05-11 2018-10-12 山东科技大学 One kind being crushed direct top edge sky caving into lane without pillar mining method
CN108661640A (en) * 2018-03-12 2018-10-16 张庆振 Half-edge coal seam longwall top coal caving technique based on the U-shaped horizontal ventilation in artificial tunnel
CN108798723A (en) * 2018-06-29 2018-11-13 河南理工大学 A kind of superelevation stope drift active workings method for protecting support of the coal containing jacking applied to high seam
CN108868833A (en) * 2018-06-29 2018-11-23 河南理工大学 A method of it carries out cutting gob side entry retaining in the relieving roadway of top in U-shaped steel supported laneway

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280684A (en) * 2008-05-12 2008-10-08 淮南矿业(集团)有限责任公司 Goaf surrounding rock around gob-side supporting method under three soft geological condition
CN104405392A (en) * 2014-10-16 2015-03-11 河南理工大学 Three-soft thick coal seam roadway top-support bottom-retaining anchor-net cable active supporting fully-mechanized caving mining method
CN104594926A (en) * 2014-11-27 2015-05-06 太原理工大学 Rapid composite roof roadway support method for high-stress water guiding karst cave group
CN104929666A (en) * 2015-04-30 2015-09-23 中国矿业大学 Top breaking gob-side entry retaining method for tender roofs
CN105134212A (en) * 2015-08-10 2015-12-09 河南理工大学 Method for ensuring fully-mechanized top coal caving recovery rate of three-soft thick coal seam roadway tunneling along top
CN205349380U (en) * 2016-02-03 2016-06-29 山西古县老母坡煤业有限公司 Prevent whole crest truncation support of gob entry pucking
CN206000543U (en) * 2016-08-26 2017-03-08 百色百矿集团有限公司 A kind of supporting construction protecting lane for gob side entry retaining

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280684A (en) * 2008-05-12 2008-10-08 淮南矿业(集团)有限责任公司 Goaf surrounding rock around gob-side supporting method under three soft geological condition
CN104405392A (en) * 2014-10-16 2015-03-11 河南理工大学 Three-soft thick coal seam roadway top-support bottom-retaining anchor-net cable active supporting fully-mechanized caving mining method
CN104594926A (en) * 2014-11-27 2015-05-06 太原理工大学 Rapid composite roof roadway support method for high-stress water guiding karst cave group
CN104929666A (en) * 2015-04-30 2015-09-23 中国矿业大学 Top breaking gob-side entry retaining method for tender roofs
CN105134212A (en) * 2015-08-10 2015-12-09 河南理工大学 Method for ensuring fully-mechanized top coal caving recovery rate of three-soft thick coal seam roadway tunneling along top
CN205349380U (en) * 2016-02-03 2016-06-29 山西古县老母坡煤业有限公司 Prevent whole crest truncation support of gob entry pucking
CN206000543U (en) * 2016-08-26 2017-03-08 百色百矿集团有限公司 A kind of supporting construction protecting lane for gob side entry retaining

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630700A (en) * 2017-10-25 2018-01-26 山西晋煤集团技术研究院有限责任公司 A kind of superelevation tunnel " first choose and dig afterwards " is into lane method
CN107630700B (en) * 2017-10-25 2019-07-30 山西晋煤集团技术研究院有限责任公司 A kind of superelevation tunnel " first choose and dig afterwards " is at lane method
CN108049896A (en) * 2017-12-19 2018-05-18 河南力行科创矿山技术开发有限公司 A kind of fully mechanized coal face gob-side entry retaining method
CN108150170A (en) * 2017-12-27 2018-06-12 中国矿业大学(北京) The Support Method with sinking along bottom back is administered along top Floor Heave in Roadway
CN108661640A (en) * 2018-03-12 2018-10-16 张庆振 Half-edge coal seam longwall top coal caving technique based on the U-shaped horizontal ventilation in artificial tunnel
CN108661640B (en) * 2018-03-12 2019-05-24 张庆振 Half-edge coal seam longwall top coal caving technique based on artificial tunnel U-shaped horizontal ventilation
CN108643907A (en) * 2018-05-11 2018-10-12 山东科技大学 One kind being crushed direct top edge sky caving into lane without pillar mining method
CN108643907B (en) * 2018-05-11 2020-02-25 山东科技大学 Non-pillar mining method for broken direct roof caving roadway
CN108798723A (en) * 2018-06-29 2018-11-13 河南理工大学 A kind of superelevation stope drift active workings method for protecting support of the coal containing jacking applied to high seam
CN108868833A (en) * 2018-06-29 2018-11-23 河南理工大学 A method of it carries out cutting gob side entry retaining in the relieving roadway of top in U-shaped steel supported laneway

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