CN204140110U - Automatic paving, networking temporary support device for drivage - Google Patents

Automatic paving, networking temporary support device for drivage Download PDF

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Publication number
CN204140110U
CN204140110U CN201420535761.2U CN201420535761U CN204140110U CN 204140110 U CN204140110 U CN 204140110U CN 201420535761 U CN201420535761 U CN 201420535761U CN 204140110 U CN204140110 U CN 204140110U
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China
Prior art keywords
support
needle
pin
nail
drivage
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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.)
Withdrawn - After Issue
Application number
CN201420535761.2U
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Chinese (zh)
Inventor
郭文孝
李刚
闫殿华
宋涛
赵建武
周凯
张银星
康富军
王本林
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Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
Original Assignee
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
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Application filed by Taiyuan Institute of China Coal Technology and Engineering Group, Shanxi Tiandi Coal Mining Machinery Co Ltd filed Critical Taiyuan Institute of China Coal Technology and Engineering Group
Priority to CN201420535761.2U priority Critical patent/CN204140110U/en
Application granted granted Critical
Publication of CN204140110U publication Critical patent/CN204140110U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field that underground coal mine combines pick face temporary shoring bracket; be specifically related to a kind of paving automatically, networking temporary support device for drivage; solve the existing top board that often can cause and fall cash casualty accident, high-performance development machine efficiency cannot be given full play to.It comprises fore-stock group and after-poppet group, forward and backward scaffold component does not comprise two supports in left and right, the beam front end of fore-stock group has lays Mao Wang mechanism and automatic coupling net arrangement automatically, left and right base and the left and right back timber of forward and backward support group connect respectively by push cylinder, cross rail top and and its this pack support group be connected beam bottom between have difference in height, the position bottom cross rail top another pack support group beam corresponding arranges liftable carrying roller.The utility model supporting and lapping can synchronously be carried out, and reduce the labour intensity of workman greatly, improve drivage efficiency, can realize the immediate support of work plane, for the safety of operating personnel provides powerful guarantee.

Description

Automatic paving, networking temporary support device for drivage
Technical field
The utility model belongs to the technical field that underground coal mine combines pick face temporary shoring bracket, is specifically related to a kind of paving automatically, networking temporary support device for drivage.
Background technology
The foreset that most domestic underground coal mine driving face generally uses has: one is the temporary lining of hanging ring tube-through type forestope; Two is vehicle-mounted temporary support device for development machines; Three is adopt many row's hydraulic props to add high strength H shaped steel shack beam method of support etc.Although these modes alleviate driving face to a certain extent and to meet head on the pressure of supporting, improve the supporting situation of work plane, but it is little also to there is supporting power in actual use procedure, back is supported repeatedly, labor strength is large, there is larger hidden danger to equipment and operator in safety.
Lapping mainly steps down in hand rest anchor net holder on staircase by workman and and lay.This mode labor strength is large, and the low and safety of efficiency not easily ensures.
Summary of the invention
The problems referred to above that the utility model exists to solve existing underground coal mine driving face foreset; cause in underworkings tunneling process; because top board after tunnelling can not obtain effective supporting in time; top board often can be caused to fall cash casualty accident; high-performance development machine efficiency cannot be given full play to, provide a kind of paving automatically, networking temporary support device for drivage.
The utility model adopts following technical scheme to realize:
Automatic paving, networking temporary support device for drivage, comprise fore-stock group and after-poppet group, before, after-poppet group comprises two supports in left and right respectively, described support comprises base, back timber and the adjustable for height connector between base and back timber, two back timbers about it are connected as one by former and later two crossbeams by every pack support, the crossbeam of fore-stock group is furnished with connected two beams I, the crossbeam of after-poppet group is furnished with connected two beams II, the beam front end of fore-stock group has lays Mao Wang mechanism and automatic coupling net arrangement automatically, before, left and right base and the left and right back timber of after-poppet group connect respectively by push cylinder, cross rail top and and its this pack support group be connected beam bottom between have difference in height, position bottom cross rail top another pack support group beam corresponding arranges liftable carrying roller.
The position that described cross rail top is corresponding with bottom this pack support group beam is provided with boss, and have bossing bottom beam and offer groove, boss groove is fixedly connected with; Bottom beam, the position of another pack support group crossbeam corresponding is provided with hoist cylinder, hoist cylinder is fixed on crossbeam, hoist cylinder top is provided with can the roller installing rack of support roller, has bossing and have the groove that can hold roller and roll bottom the beam of corresponding roller.
Described automatic laying Mao Wang mechanism comprises the hinged rigid mount in fore-stock group beam front end, rigid mount jack is connected with between rigid mount and beam, be provided with for hanging anchor net bottom the rigid mount of rigid mount front end, and front and back, interlock respectively up and down and respective independently rod iron, rod iron setting direction is perpendicular to support direction of advance, rod iron is rotationally connected with beam, the adjacent end portion of adjacent rod iron has overlay segment, beam front end arranges the roller bearing that can relative to beam rotate parallel with rod iron, the both sides of corresponding anchor network operation position, beam front end arrange limiting plate, anchor net one end is fixed on rod iron and is wound on rod iron, the other end pile warp roller bearing of anchor net covers on back timber.
Described automatic coupling net arrangement is installed on rigid mount bottom, comprise nail needle device, spring, guide peg, feeding needle piece, to push pin oil cylinder, needle pushing plate, connect pin, nail pin winding mechanism, nail needle device is box-structure, the cylinder body of oil cylinder of pushing pin is fixed within nail needle device, push pin oil cylinder piston rod front end connect needle pushing plate, the nail needle device that needle pushing plate front end is corresponding has and connects pin outlet, within nail needle device, push pin oil cylinder vertical direction on spring is installed, one end of spring is fixed on inside nail needle device, the other end connects feeding needle piece, feeding needle piece front is hold the needle tray connecting pin, nail pin winding mechanism is arranged at outside nail needle device, connect pin exit, nail pin winding mechanism comprises motor and is wound around block, the output shaft of motor is installed and is wound around block, be wound around slotted hole structure block having corresponding nail pin two foot, push pin oil cylinder cylinder interior before, rear end is all provided with sensor.Connecting pin is to be joined together by the nail pin of single U-shaped by glue to combine, and arrange slide rail inside the nail needle device of needle pushing plate bottom, needle pushing plate slides along slide rail.
Connector between described base and back timber comprises the quadric chain of mid-stent and the upright post jack of both sides, described quadric chain comprises two parallel boss on base, two boss tops are inclined-plane, the lower end of the hinged front rod of inclined-plane upper and lower end difference, back link, one end of the hinged caving shield of top, upper end difference of front rod, back link, the other end of caving shield is articulated with back timber, is connected to back timber bottom upright post jack by pinned connection in base, top.
The utility model straddles on development machine, roller bearing is crossed by the laying anchor Netcom hanging on mutual overlap joint on rod iron below automatic device for layering to be sent on suspension device back timber, when development machine tunnels forward, suspension device need be followed development machine and be moved forward, and carries out immediate support and automatically lay anchor net to top board.During suspension device reach, first four root posts of after-poppet group are stretched, make the back timber of after-poppet group, the complete roof supporting of beam, left and right four root post of fore-stock group falls again, until the back timber of fore-stock group, beam and automatically device for layering depart from top board and fall on the crossbeam of outrigger group, four hoist cylinders simultaneously on fore-stock group crossbeam stretch out, in the groove of the beam of posterior bracket group, it is made to connect top by the roller supporting of end, make fore-stock group move forward one by the push-and-pull simultaneously of the push cylinder between front and back support group back timber and base and pass stroke, along with the reach of suspension device, anchor net will be layed on set cap automatically around roller bearing, stretch four root posts of side arm group, the back timber of fore-stock group, beam are by anchor net and top plate contact and roof supporting, left and right four root post of after-poppet group falls again, fall on the crossbeam of fore-stock group until the back timber of after-poppet group, beam depart from top board, four hoist cylinders simultaneously on after-poppet group crossbeam stretch out, and make it connect top by the roller supporting of end in the groove of the beam of fore-stock group.Make after-poppet group move forward one by the push-and-pull of passing oil cylinder and pass stroke; Once circulation until support-moving put in place after by front and back two pack support group all supports.Exited by development machine, staff can beat anchor pole below suspension device.
The utility model has following beneficial effect: can create reliably for driving face safety and high efficiency, supporting condition flexibly, to the mechanical mining technique improving development end, improve driving speed and production efficiency significant.The support pattern traditional with the foreset generally used now and workman step down in the enterprising pedestrian's work of staircase and lay compared with reel wire, automatic lapping is adopted to tunnel advance timbering operation of taking a step, supporting and lapping can synchronously be carried out, reduce the labour intensity of workman greatly, improve drivage efficiency, the immediate support of work plane can be realized, for the safety of operating personnel provides powerful guarantee.
The utility model can realize tunneling boring initiatively roof supporting and supporting and lapping synchronization job, avoids the potential safety hazard of operating personnel's operation under sky top, is conducive to the Safety Control of Roof of colliery headwork, for comprehensive pick face creates safe working environment; Improve working in driving face of coal mine mechanization supporting work degree, greatly improve driving speed and operating efficiency, reduce the labour intensity of excavation cost and operating personnel, alleviate digging and to continue nervous passive situation,
1, carrying out structure design targetedly, compact conformation, flexible operation for adapting to different tunnels condition, can greatly improve driving speed and operating efficiency.
2, freestanding hydraulic system is high to the drop-down on-the-spot compliance of support of moving of coal mine.
3, arrange before and after two pack support groups, passing oil cylinder between back timber and the push-and-pull simultaneously of the passing oil cylinder between base make front and back support group move forward, and have a pack support group support all the time, form step type structure in walking process, reduce the support repeatedly to top board, improve space safety.
4, every pack support adopts quadric chain, ensure that support vertical and horizontal stability, bears and transmits outer carrying, keep the integral rigidity of support.
5, in support walking process, roller bearing can be crossed by the laying anchor Netcom hanging on mutual overlap joint on rod iron below automatic device for layering and send on set cap, realize the automatic laying of anchor net.
The crossbeam of 6, front and back support group is all furnished with hoist cylinder, the termination of hoist cylinder is provided with roller, while falling fore-stock group, hoist cylinder on fore-stock group crossbeam stretches out the beam supporting after-poppet group, by push cylinder, fore-stock is moved forward, the rolls forward in the groove of after-poppet group beam of the roller on fore-stock group hoist cylinder.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model,
Fig. 2 is top view of the present utility model,
Fig. 3 is lateral view of the present utility model,
Fig. 4 is the partial enlarged drawing of Fig. 3,
Fig. 5 is the partial enlarged drawing of Fig. 1,
Fig. 6 is connection anchor net structural scheme of mechanism,
Fig. 7 is for connecting anchor net mechanism side view.
In figure: 1-base, 2-front rod, 3-back link, 4-caving shield, 5-back timber, 6-upright post jack, 7-push cylinder, 8-hoist cylinder, 9-roller installing rack, 10-roller, 11-rigid mount, 12-rigid mount jack, 13-rod iron, 14-anchor net, 15-roller bearing, 16-automatic coupling net arrangement, 17-crossbeam, 18-beam I, 19-beam II, 20-fore-stock group, 21-after-poppet group;
16.1-follows closely needle device, 16.2-spring, 16.3-guide peg, 16.4-feeding needle piece, and 16.5-pushes pin oil cylinder, 16.6-needle pushing plate, and 16.7-connects pin, 16.8-anchor net, and 16.9-follows closely pin winding mechanism, and 16.10-is wound around block.
Detailed description of the invention
By reference to the accompanying drawings detailed description of the invention of the present utility model is described further.
Automatic paving, networking temporary support device for drivage are primarily of compositions such as front and back support group, crossbeam, beam, carrying roller, push cylinder, rigid mount, roller bearing, rod iron, rigid mount jack, hoist cylinder, roller, roller installing rack, automatic coupling net arrangement, hydraulic systems.Two back timbers are connected as one by two crossbeams by two, left and right support and form by two pack support groups respectively, the crossbeam of every pack support are furnished with beam and carrying roller.Beam is mainly used in roof supporting, and carrying roller is mainly used in support reach process and provides rolling friction to beam.The beam front end of fore-stock group is provided with rigid mount, roller bearing, rod iron, automatic coupling net arrangement etc., is mainly used in realizing automatic laying, connecting anchor net.Before and after the back timber of two pack support groups, base is furnished with push cylinder, the reach of main implement device respectively.Beam bottom is all provided with the groove of the roller walking of installing on hoist cylinder top, so that support is when moving forward, roller supporting beam is rolled in its groove groove, reduces friction.Automatic laying Mao Wang mechanism comprises rigid mount, roller bearing, rod iron etc., is installed on the beam front end of fore-stock group, in the process of support reach, can realize the automatic laying of anchor net.Automatic coupling net arrangement is installed on rigid mount bottom, can realize when automatically laying anchor net the automatic connection mutually overlapping anchor net.The utility model and development machine are reasonably supporting, tunneling boring supporting can be realized in time and automatically lay anchor net, avoid operating personnel in the operation of territory, empty top zone, improve mechanization supporting work degree, reduce operating personnel's labour intensity, improve drivage efficiency, for the safety of operating personnel provides powerful guarantee.Further illustrate as follows:
Automatic paving, networking temporary support device for drivage, comprise fore-stock group 20 and after-poppet group 21, before, after-poppet group comprises two supports in left and right respectively, described support comprises base 1, back timber 5 and the adjustable for height connector between base 1 and back timber 5, two back timbers 5 about it are connected as one by former and later two crossbeams 17 by every pack support, the crossbeam of fore-stock group is furnished with connected two beams I 18, the crossbeam of after-poppet group is furnished with connected two beams II 19, the beam front end of fore-stock group 1 has lays Mao Wang mechanism and automatic coupling net arrangement automatically, before, left and right base and the left and right back timber of after-poppet group connect respectively by push cylinder 8, cross rail top and and its this pack support group be connected beam bottom between have difference in height, position bottom cross rail top another pack support group beam corresponding arranges liftable carrying roller 18.
The position that described cross rail top is corresponding with bottom this pack support group beam is provided with boss, and have bossing bottom beam and offer groove, boss groove is fixedly connected with; Bottom beam, the position of another pack support group crossbeam corresponding is provided with hoist cylinder, hoist cylinder is fixed on crossbeam, hoist cylinder top is provided with can the roller installing rack of support roller, has bossing and have the groove that can hold roller and roll bottom the beam of corresponding roller.
Described automatic laying Mao Wang mechanism comprises the hinged rigid mount 11 in fore-stock group 20 beam front end, rigid mount jack 12 is connected with between rigid mount 11 and beam, be provided with for hanging anchor net bottom the rigid mount of rigid mount front end, and front and back, interlock respectively up and down and respective independently rod iron 13, rod iron 13 setting direction is perpendicular to support direction of advance, rod iron 13 is rotationally connected with beam, the adjacent end portion of adjacent rod iron has overlay segment, beam front end arranges the roller bearing 15 that can relative to beam rotate parallel with rod iron, the both sides of corresponding anchor network operation position, beam front end arrange limiting plate, anchor net 14 one end is fixed on rod iron 13 and is wound on rod iron, the other end pile warp roller bearing 15 of anchor net covers on back timber.
Described automatic coupling net arrangement is installed on rigid mount bottom, comprise nail needle device 16.1, spring 16.2, guide peg 16.3, feeding needle piece 16.4, to push pin oil cylinder 16.5, needle pushing plate 16.6, connect pin 16.7, nail pin winding mechanism 16.9, nail needle device 16.1 is box-structure, the cylinder body of oil cylinder 16.5 of pushing pin is fixed within nail needle device 16.1, push pin oil cylinder 16.5 piston rod front end connect needle pushing plate 16.6, the nail needle device 16.1 that needle pushing plate 16.6 front end is corresponding has and connects pin outlet, within nail needle device 16.1, push pin oil cylinder 16.5 vertical direction on spring 16.2 is installed, one end of spring 16.2 is fixed on inside nail needle device 16.1, the other end connects feeding needle piece 16.4, feeding needle piece 16.4 front is hold the needle tray connecting pin 16.7, nail pin winding mechanism 16.9 is arranged at outside nail needle device 16.1, connect pin exit, nail pin winding mechanism 16.9 comprises motor and is wound around block 16.10, the output shaft of motor is installed and is wound around block 16.10, be wound around slotted hole structure block 16.10 having corresponding nail pin two foot, push pin oil cylinder 16.5 cylinder interior before, rear end is all provided with sensor.Connecting pin 16.7 is to be joined together by the nail pin of single U-shaped by glue to combine, and arrange slide rail inside the nail needle device 16.1 of needle pushing plate 16.6 bottom, needle pushing plate slides along slide rail.
Connector between described base and back timber comprises the quadric chain of mid-stent and the upright post jack 6 of both sides, described quadric chain comprises two parallel boss on base, two boss tops are inclined-plane, the lower end of the hinged front rod 2 of inclined-plane upper and lower end difference, back link 3, one end of the hinged caving shield 4 of top, upper end difference of front rod 2, back link 3, the other end of caving shield 4 is articulated with back timber 5, is connected to back timber 5 bottom upright post jack 6 by pinned connection in base 1, top.
The utility model each assembly effect is as follows:
1, automatic paving, networking temporary support device for drivage, solve driving face in coal mine support issues, achieve automatic lapping, accelerate the safe and efficient propelling of work plane;
2, hinged casing posture longeron and beam mechanism, realizes the uninterrupted continuous supporting to top board, reduces the support repeatedly to back, maintains the integrality of top board;
3, crossbeam arranges hoist cylinder, make a pack support group in decline simultaneously, the hoist cylinder on its crossbeam stretches out the beam supporting another pack support group, and reaching tunnel has temporary lining all the time;
4, the beam bottom of every pack support group is provided with groove, as the track of hoist cylinder end rollers, support beam in reach process is rolled reach on roller, the mutual friction of reduction phase;
5, rack beam is furnished with sensor, to ensure that the hoist cylinder of a pack support while declining on its crossbeam stretches out corresponding stroke;
6, arrange before and after support group, avoid support group mutually to interfere in the process of walking, ensure the stability of walking;
7, the upper and lower interlaced arrangement of the rod iron of linked network, can make anchor net realize overlap joint automatically;
8, by rigid mount jack by rigid mount to lower swing certain angle, reduce the height of rod iron, workman can support replace anchor net and without the need to by staircase;
9, support quadric chain, ensure that support vertical and horizontal stability, keeps the integral rigidity of support, improves the effective support to tunnel;
10, realize that driving----non-support---foreset---lay anchor net---the linking transition of permanent supporting, achieves driving and supporting and to work continuously mode;
11, freestanding hydraulic system, improve the on-the-spot compliance of driving face, hydraulic system control is convenient and safe.

Claims (7)

1. one kind spreads automatically, networking temporary support device for drivage, it is characterized in that comprising fore-stock group (20) and after-poppet group (21), before, after-poppet group comprises two supports in left and right respectively, described support comprises base (1), back timber (5) and the adjustable for height connector between base (1) and back timber (5), two back timbers (5) about it are connected as one by former and later two crossbeams (17) by every pack support, the crossbeam of fore-stock group is furnished with connected two beams I (18), the crossbeam of after-poppet group is furnished with connected two beams II (19), the beam front end of fore-stock group (1) has lays Mao Wang mechanism and automatic coupling net arrangement automatically, before, the left and right base of after-poppet group and left and right back timber connect respectively by push cylinder (8), cross rail top and and its this pack support group be connected beam bottom between have difference in height, position bottom cross rail top another pack support group beam corresponding arranges liftable carrying roller (18).
2. automatic paving according to claim 1, networking temporary support device for drivage, it is characterized in that the position that described cross rail top is corresponding with bottom this pack support group beam is provided with boss, have bossing bottom beam and offer groove, boss groove is fixedly connected with; Bottom beam, the position of another pack support group crossbeam corresponding is provided with hoist cylinder, hoist cylinder is fixed on crossbeam, hoist cylinder top is provided with can the roller installing rack of support roller, has bossing and have the groove that can hold roller and roll bottom the beam of corresponding roller.
3. automatic paving according to claim 1 and 2, networking temporary support device for drivage, it is characterized in that described automatic laying Mao Wang mechanism comprises the hinged rigid mount (11) in fore-stock group (20) beam front end, rigid mount jack (12) is connected with between rigid mount (11) and beam, be provided with for hanging anchor net bottom the rigid mount of rigid mount front end, and front and back, interlock respectively up and down and respective independently rod iron (13), rod iron (13) setting direction is perpendicular to support direction of advance, rod iron (13) is rotationally connected with beam, the adjacent end portion of adjacent rod iron has overlay segment, beam front end arranges the roller bearing (15) that can relative to beam rotate parallel with rod iron, the both sides of corresponding anchor network operation position, beam front end arrange limiting plate, anchor net (14) one end is fixed on rod iron (13) and is wound on rod iron, the other end pile warp roller bearing (15) of anchor net covers on back timber.
4. automatic paving according to claim 3, networking temporary support device for drivage, it is characterized in that described automatic coupling net arrangement is installed on rigid mount bottom, comprise nail needle device (16.1), spring (16.2), guide peg (16.3), feeding needle piece (16.4), to push pin oil cylinder (16.5), needle pushing plate (16.6), connect pin (16.7), nail pin winding mechanism (16.9), nail needle device (16.1) is box-structure, the cylinder body of oil cylinder (16.5) of pushing pin is fixed within nail needle device (16.1), push pin oil cylinder (16.5) piston rod front end connect needle pushing plate (16.6), the nail needle device (16.1) that needle pushing plate (16.6) front end is corresponding has and connects pin outlet, within nail needle device (16.1), push pin oil cylinder (16.5) vertical direction on spring (16.2) is installed, nail needle device (16.1) inner side is fixed in one end of spring (16.2), the other end connects feeding needle piece (16.4), feeding needle piece (16.4) front is hold the needle tray connecting pin (16.7), nail pin winding mechanism (16.9) is arranged at outside nail needle device (16.1), connect pin exit, nail pin winding mechanism (16.9) comprises motor and is wound around block (16.10), the output shaft of motor is installed and is wound around block (16.10), be wound around slotted hole structure block (16.10) having corresponding nail pin two foot.
5. automatic paving according to claim 4, networking temporary support device for drivage, the cylinder interior front and back ends of the oil cylinder (16.5) that it is characterized in that pushing pin all is provided with sensor.
6. automatic paving according to claim 5, networking temporary support device for drivage, it is characterized in that connecting pin (16.7) is combined for being joined together by the nail pin of single U-shaped by glue, nail needle device (16.1) inner side of needle pushing plate (16.6) bottom arranges slide rail, and needle pushing plate slides along slide rail.
7. automatic paving according to claim 6, networking temporary support device for drivage, it is characterized in that the connector between described base and back timber comprises the quadric chain of mid-stent and the upright post jack (6) of both sides, described quadric chain comprises two parallel boss on base, two boss tops are inclined-plane, on inclined-plane, lower end is hinged front rod (2) respectively, the lower end of back link (3), front rod (2), the one end at the top, the upper end hinged caving shield of difference (4) of back link (3), the other end of caving shield (4) is articulated with back timber (5), upright post jack (6) bottom by pinned connection in base (1), top is connected to back timber (5).
CN201420535761.2U 2014-09-18 2014-09-18 Automatic paving, networking temporary support device for drivage Withdrawn - After Issue CN204140110U (en)

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Application Number Priority Date Filing Date Title
CN201420535761.2U CN204140110U (en) 2014-09-18 2014-09-18 Automatic paving, networking temporary support device for drivage

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279000A (en) * 2014-09-18 2015-01-14 中国煤炭科工集团太原研究院有限公司 Automatic bolt mesh laying and connection excavation temporary support device
CN104695995A (en) * 2015-03-13 2015-06-10 中煤北京煤矿机械有限责任公司 Novel air return way advance support
CN105386771A (en) * 2015-12-17 2016-03-09 辽宁天安科技有限公司 Shield type digging and anchoring machine
RU2760269C1 (en) * 2020-12-04 2021-11-23 Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр угля и углехимии Сибирского отделения Российской академии наук" (ФИЦ УУХ СО РАН) Method for preparatory mining and mechanised support for implementation thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279000A (en) * 2014-09-18 2015-01-14 中国煤炭科工集团太原研究院有限公司 Automatic bolt mesh laying and connection excavation temporary support device
CN104695995A (en) * 2015-03-13 2015-06-10 中煤北京煤矿机械有限责任公司 Novel air return way advance support
CN105386771A (en) * 2015-12-17 2016-03-09 辽宁天安科技有限公司 Shield type digging and anchoring machine
RU2760269C1 (en) * 2020-12-04 2021-11-23 Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр угля и углехимии Сибирского отделения Российской академии наук" (ФИЦ УУХ СО РАН) Method for preparatory mining and mechanised support for implementation thereof

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Granted publication date: 20150204

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