CN103216252B - Roadway advanced supporting supports capable of assisting machinery to move - Google Patents
Roadway advanced supporting supports capable of assisting machinery to move Download PDFInfo
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- CN103216252B CN103216252B CN201310162248.3A CN201310162248A CN103216252B CN 103216252 B CN103216252 B CN 103216252B CN 201310162248 A CN201310162248 A CN 201310162248A CN 103216252 B CN103216252 B CN 103216252B
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Abstract
The invention provides roadway advanced supporting supports capable of assisting machinery to move. The roadway advanced supporting supports capable of assisting the machinery to move solve the problems that repeated supporting, complex operation and low working efficiency in the prior art for a floppy coal top roadway and a long-distance advanced supporting roadway. The roadway advanced supporting supports capable of assisting the machinery to move comprise advanced supporting supports which are composed of top beams, bases, and hydraulic upright columns which are connected between the top beams and the bases in a hinge joint mode and an auxiliary moving mechanism. The roadway advanced supporting supports capable of assisting the machinery to move are characterized in that the lower portions of the two hydraulic upright columns which are connected on one base in a hinge joint mode are fixed together through a fastening support, the lateral end of each top beam is connected with a top protective plate in a hinge joint mode through a telescope hydraulic cylinder, the two advanced supporting supports are a set in parallel in a transverse mode, a plurality of sets of advanced supporting supports are longitudinally continuously arranged along a roadway, and therefore supporting to a top plate is formed; and moving support mechanical arms are arranged between a set of two advanced supporting supports to be moved, are matched with a transport cart, and move each advanced supporting support along the roadway in a longitudinal sequence. The roadway advanced supporting supports capable of assisting the machinery to move are reasonable in structure and design, stable in supporting, convenient to operate, safe to use, and capable of reducing the effect of advanced supporting operation to working face coal mining production.
Description
Technical field
The present invention relates to a kind of advanced stand device for the operation of fully-mechanized mining working tunnel safety, particularly a kind of for while normal working face mining operation, in roadway workface, carry out the lame advanced supporting rack of the advanced section supporting in tunnel the Aided Machine movement that can move forward with the propelling of working face mining.Belong to mining machinery manufacture and application.
Background technology
The supporting in fully-mechanized mining working tunnel mainly adopts U-shaped steel, i iron metallic support, the mode of anchor pole, anchor net and other combined supportings, along with the continuous propelling of coal-face, the reach of the advanced section pressure in tunnel, therefore need to export advanced section at work plane and carry out strengthening supporting.In the stope of coal mines operation of modern fully-mechanized mining, the situation that the advanced pressure of ubiquity is larger, if can not effective support, not only affects work plane coal mining efficiency, and may cause larger potential safety hazard; According to the regulation of the corresponding code of country, within the scope of ahead work face 20 meters, strengthening supporting must be carried out.Lame advanced supporting is exactly to prevent ahead work face bearing pressure and the along inclined direction superposition of bearing pressure and the deformation of the surrounding rock in tunnel caused, movement, destruction, the support pattern used.
Many collieries widely used coal-face lame advanced supporting mode, mostly be the support pattern of hydraulic prop complexed metal articulated roof beam or long girder steel, the limitation of this kind of support pattern is: supporting intensity is low, easily cause crushing of work plane emergency exit place, cause the secondary of country rock to loosen, destroy the globality of rock stratum, tunnel; Install and remove post slow, be difficult to the significantly speed that realizes and promote, constrain the fltting speed of work plane; Support efficiency is low, complex procedures, and manual steps is more, and operating personnel's labour intensity is large, and to the work plane of roof cracking, prop drawing is all very difficult with recovery girder steel, adds many potential safety hazards.
At present, the limitation of lame advanced supporting existence is carried out for hydraulic prop complexed metal articulated roof beam, and by a large amount of practices and the exchange of technology with mining area, have and use forepoling hydraulic support to carry out the supporting of the advanced section in tunnel in roadway workface, report to replace the patent of traditional support pattern, as: publication number is " a kind of coal mine down-hole splited articulated look ahead supporting support " of CN101182780A, notification number is " Straddle type leading support for coal mine comprehensive coal mining haulage drift " of CN2828315Y, notification number is " Combined forepoling rack for comprehensive mining return " of CN2833112Y, notification number is " the coal mine work area crossheading forepoling hydraulic support " of CN200952403Y, and notification number is the patents such as " the lame advanced supporting rack group of inclined roof panels " of CN201190570Y.Also have the present inventor once for prior art Problems existing, the notification number of earlier application is " lame advanced supporting rack " of CN200985799Y, notification number is the patents such as " tunnel ahead support stent " of CN201386567Y.The forepoling hydraulic support of these patent notes above-mentioned, be mostly manually operate hydraulic control valve group carry out support take a step move frame, realize the mechanization of coal-face lame advanced supporting, complete the innovation of coal-face advance support form.But, the moving manner of the advance support rack of frame hydraulic cylinder push-and-pull movement is moved due to this dependence, for softer tunnel, coal top, particularly for carrying out the tunnel growing distance advance support, the track of walking is difficult to ensure, so easily there is the phenomenon such as support tilt and holding.All need frame, reach to be fallen in each group of advance support rack successively, rises frame one time because moving frame at every turn, therefore existence supports repeatedly to top board, advancing velocity is slow, complex operation, operating efficiency is low waits deficiency, and therefore, the moving manner of existing advance support rack lacks applicability.
Summary of the invention
The object of this invention is to provide a kind of lame advanced supporting rack of Aided Machine movement, solve prior art for softer tunnel, coal top, the long distance tunnel of advance support exist top board is supported repeatedly, the problem such as advancing velocity is slow, complex operation, operating efficiency are low, its reasonable in design, supporting is stablized, easy to operate, use safety, on-the-spot actual use needs can be adapted to, reduce the impact that advance support operation is produced work plane coal mining, be conducive to the further lifting of coal-face per unit area yield.
The technical solution adopted in the present invention is: the lame advanced supporting rack of this Aided Machine movement comprises by back timber, base and is hinged on the advance support rack and auxiliary moving mechanism that the hydraulic vertical prop between back timber and base forms, its technical essential is: two hydraulic vertical prop bottoms on described base are fixed together by fastening frame, back timber side utilizes telescopic hydraulic cylinder to be hinged with and protects top board, two frame advance support racks are laterally listed as one group, many groups advance support rack is longitudinal continuous arrangement along tunnel respectively, forms the support supporting to top board; Auxiliary moving mechanism comprises and moves frame mechanical arm and transport vehicle, move frame mechanical arm arrangements between the two frame advance support racks of a group to be moved, and with under the driving moving the transport vehicle that frame mechanical arm matches, longitudinally, sequentially move every frame advance support rack along tunnel.
The described frame mechanical arm that moves comprises the fixed pedestal of bottom, transmission mechanism, rotating driving device, rotation seat and the lifting fairlead, lifting hydraulic cylinder, lifting guide pillar, cantilever guide peg, boom cylinder, cantilever telescopic, support seat and the support hydraulic vertical prop that are arranged on rotation seat; And drive rotation seat central rotation around the shaft by rotating driving device and transmission mechanism.
Described transmission mechanism is made up of intermeshing large and small gear, gear wheel is assembled in the bottom of rotation seat, pinion is assembled on the output shaft of rotating driving device, and bottom and the fixed pedestal of rotating driving device fit together, and rotation seat is connected with fixed pedestal by rotating shaft; By rotating driving device drive transmission device, thus drive whole rotation seat central rotation around the shaft.
The application of the lame advanced supporting rack of above-mentioned Aided Machine movement, its technical essential is: auxiliary moving mechanism moved frame mechanical arm arrangements between the two frame advance support racks of a group to be moved, and with under the driving moving the transport vehicle that frame mechanical arm matches, longitudinally, sequentially moved to front portion, tunnel away from stope end by every frame advance support rack along tunnel, concrete operation step is as follows:
Step one, driving transport vehicle to drive to move frame mechanical arm to move to stope one end, rear portion, tunnel need move forward between the two frame advance support racks of a group, rise and move the support hydraulic vertical prop of frame mechanical arm, make the support seat being hinged on top contact with back to be formed and support; Stretching out the boom cylinder moving frame mechanical arm drives cantilever telescopic to stretch out, the hydraulic vertical prop of the frame advance support rack moved forward by the need of cantilever telescopic side is regained, while this back timber is declined, what drive telescopic hydraulic cylinder to regain to be hinged on back timber end protects top board, and stretch out the anterior adjacent advance support frame of frame therewith immediately protect top board, the top board temporarily exposed because falling frame with supporting; When back timber drop to contact with the cantilever telescopic moving frame mechanical arm time, stop declining, now stretch out the lifting hydraulic cylinder moving frame mechanical arm, drive lifting guide pillar to rise together with cantilever guide peg, cantilever telescopic, the advance support rack falling frame is lifted; Boom cylinder is driven to regain cantilever telescopic, advance support rack is made to move to above rotation seat, driving lifting hydraulic cylinder to regain lifting guide pillar again drives the advance support rack on cantilever telescopic to fall on rotation seat, regain support hydraulic vertical prop, the support seat being hinged on top is separated with back;
Step 2, drives transport vehicle to drive and moves frame mechanical arm together with the advance support rack be recovered on rotation seat, after moving into place, starts to place advance support rack to front portion, tunnel away from stope end; First rise and move the support hydraulic vertical prop of frame mechanical arm, make the support seat being hinged on top contact with back to be formed and support, then stretch out lifting hydraulic cylinder, advance support rack, together with cantilever telescopic, lifts and leaves rotation seat by driving lifting guide pillar; Boom cylinder is driven to stretch out cantilever telescopic, advance support rack is reached above supporting position, now regaining lifting hydraulic cylinder makes the advance support rack on cantilever telescopic drop on roadway floor, and the hydraulic vertical prop of the advance support rack moved into place is risen, make this back timber rise and contact with back, formed and effectively support; Drive boom cylinder to regain cantilever telescopic, regain support hydraulic vertical prop simultaneously, the support seat being hinged on top is separated with back; Rotating driving device and transmission mechanism is driven to make the rotation seat central rotation 180 degree around the shaft moving frame mechanical arm, for the mobile other frame advance support rack be arranged in juxtaposition is prepared;
Step 3, drive transport vehicle drive to move frame mechanical arm to move to rear portion, tunnel, repeat the operation of step one, step 2, move to anterior corresponding position, tunnel by with the other frame that advance support rack moved before is arranged in juxtaposition, complete the reach advanced with working face mining of one group of advance support rack;
According to above-mentioned steps cycling, auxiliary moving mechanism can be utilized, constantly each group of advance support rack being arranged in rear portion, tunnel is moved to front portion, tunnel by frame, with the propelling of the normal mining operations of work plane in tunnel, realize the continuous supporting of the advanced section in tunnel.
The advantage that the present invention has and good effect are: move the mode that frame mechanical arm coordinates with transport vehicle form auxiliary moving mechanism because the present invention adopts, to by back timber, base and be hinged on the advance support rack that transverse direction that the hydraulic vertical prop between back timber and base forms is arranged in juxtaposition and move frame, so its reasonable in design, supporting is stablized, simple to operation, safe and reliable, avoid the support repeatedly to top board.In addition, because each advance support rack eliminates traditional quadric chain, change into using and base arranges fastening frame coordinate hydraulic vertical prop and back timber, base to form the mode of lifting structure, the small volume of the advance support rack making this design unique, lighter in weight, length is shorter, on-the-spot actual use needs can be adapted to, be convenient to realize by moving the moving manner that frame mechanical arm coordinates with transport vehicle, reduce the impact that advance support operation is produced work plane coal mining, meet the equipment mounting, commissioning and maintenance condition of fully-mechanized mining working.While guaranteeing safe pedestrian space required under the tunnel condition that down-hole is narrow, realize the mechanization advance support that top board is supported continuously according to different geological conditions and cross-section shape of roadway, be conducive to safe, the highly efficient and productive production of coal-face.Therefore, the invention solves prior art for softer tunnel, coal top, the long distance tunnel of advance support exist top board is supported repeatedly, the problem such as advancing velocity is slow, complex operation, operating efficiency are low.
Accompanying drawing explanation
Fig. 1 is a kind of concrete structure schematic diagram of the present invention;
Fig. 2 is the top view moving the parts such as frame mechanical arm, fastening frame and base in Fig. 1;
Fig. 3 is the sectional view of Fig. 1 along A-A line;
Fig. 4 is the top view moving frame mechanical arm in Fig. 3;
Fig. 5 is the sectional view of Fig. 4 along B-B line.
In figure, sequence number illustrates: 1 back timber, 2 hydraulic vertical props, 3 protect top board, 4 telescopic hydraulic cylinders, 5 move frame mechanical arm, 6 fastening frames, 7 bases, 8 transport vehicles, 9 rotation seats, 10 are elevated fairlead, 11 lifting guide pillars, 12 support seats, 13 cantilever telescopics, 14 cantilever guide pegs, 15 fixed pedestals, 16 rotating driving devices, 17 transmission mechanisms, 18 lifting hydraulic cylinders, 19 support hydraulic vertical props, 20 boom cylinders.
Detailed description of the invention
Concrete structure of the present invention is described in detail according to Fig. 1 ~ 5.The lame advanced supporting rack of this Aided Machine movement comprises the part such as advance support rack and auxiliary moving mechanism be made up of back timber 1, base 7, hydraulic vertical prop 2.The bottom being wherein hinged on two hydraulic vertical props 2 on base 7 is fixed together by fastening frame 6; Back timber 1 side being hinged on hydraulic vertical prop 2 top utilizes telescopic hydraulic cylinder 4 to be hinged with and protects top board 3, form a frame advance support rack.Two frame advance support racks are laterally listed as one group, and many group advance support racks are longitudinal continuous arrangement along tunnel respectively, forms the support supporting to top board.
Auxiliary moving mechanism is by moving frame mechanical arm 5 and transport vehicle 8 is formed.Moving frame mechanical arm 5 is transversely arranged between the two frame advance support racks of a group to be moved, with under the driving moving the transport vehicle 8 that frame mechanical arm 5 matches, longitudinally, sequentially move every frame advance support rack along tunnel and move away from stope end to front portion, tunnel.
Move frame mechanical arm 5 mainly to comprise: the fixed pedestal 15 of bottom, transmission mechanism 17, rotating driving device 16, rotation seat 9 and be arranged on the parts such as lifting fairlead 10, lifting hydraulic cylinder 18, lifting guide pillar 11, cantilever guide peg 14, boom cylinder 20, cantilever telescopic 13, support seat 12 and support hydraulic vertical prop 19 on rotation seat 9.Transmission mechanism 17 is made up of intermeshing large and small gear, and gear wheel is assembled in the bottom of rotation seat 9, and pinion is assembled on the output shaft of rotating driving device 16.Bottom and the fixed pedestal 15 of rotating driving device 16 fit together.Rotation seat 9 is connected with fixed pedestal 15 by rotating shaft; By rotating driving device 16 drive transmission device 17, thus drive whole rotation seat 9 central rotation around the shaft.Be fixed on rotation seat 9 bottom lifting fairlead 10, insert in lifting fairlead 10 bottom the lifting guide pillar 11 that inside is provided with lifting hydraulic cylinder 18, lifting guide pillar 11 top is vertical with cantilever guide peg 14 to be fixed.The lower end of lifting hydraulic cylinder 18 is hinged on the bottom of lifting fairlead 10, the upper end thereof of lifting hydraulic cylinder 18 is at the inwall of lifting guide pillar 11, and drive lifting guide pillar 11 to move back and forth along lifting fairlead 10 inner chamber by lifting hydraulic cylinder 18, realize the lifting moving frame mechanical arm 5.Cantilever telescopic 13 is sleeved on the outside of cantilever guide peg 14, and one end of boom cylinder 20 is hinged on fixing cantilever guide peg 14 root vertical with lifting guide pillar 11, and it is anterior that the other end is hinged on cantilever telescopic 13.Boom cylinder 20 drives cantilever telescopic 13 to move back and forth along the length direction of cantilever guide peg 14, realizes moving stretching out and regaining of the cantilever telescopic 13 of frame mechanical arm 5.Be fixed on bottom support hydraulic vertical prop 19 on rotation seat 9, the top being hinged with support seat 12 is fixed on the sidewall of lifting fairlead 10.
During the lame advanced supporting rack operation of this Aided Machine movement, the frame mechanical arm 5 that moves of auxiliary moving mechanism is arranged between the two frame advance support racks of a group to be moved, and with under the driving moving the transport vehicle 8 that frame mechanical arm 5 matches, longitudinally, sequentially every frame advance support rack is moved to front portion, tunnel away from stope end along tunnel.Acquiescence original state is: hydraulic vertical prop 2 rises, and supports advance support rack, forms the supporting to back by the back timber 1 on hydraulic vertical prop 2 top.On one group of advance support rack of work plane end, telescopic hydraulic cylinder 4 is the state of stretching out, and the top board 3 that protects being hinged on back timber 1 end reaches supporting position; And the telescopic hydraulic cylinder 4 on all the other group advance support rack back timbers is all in retracted state, the top board 3 that protects being hinged on back timber 1 end is regained.Move the lifting hydraulic cylinder 18 on frame mechanical arm 5, support hydraulic vertical prop 19, boom cylinder 20 be all in retracted state.
When advance support rack carries out moving frame to front portion, tunnel away from stope end, concrete operation step is as follows:
Step one, drive transport vehicle 8 to drive to move frame mechanical arm 5 to move to rear portion, tunnel to close on stope one end and need move forward between the two frame advance support racks of a group, the support hydraulic vertical prop 19 moving frame mechanical arm 5 rises, make the support seat 12 of its upper articulation contact with back to be formed and support, guarantee whole stability of moving in frame mechanical arm course of action.Stretch out the boom cylinder 20 moving frame mechanical arm 5, drive cantilever telescopic 13 to stretch out.The hydraulic vertical prop 2 of the frame advance support rack moved forward by the need of cantilever telescopic 13 side is regained, while the back timber 1 of this advance support rack is declined, drive this telescopic hydraulic cylinder 4 regain back timber 1 end hinged protect top board 3, and stretch out the anterior adjacent support frame of advance support rack therewith immediately protect top board 3, the top board temporarily exposed because falling frame with supporting.When back timber 1 drops to the position contacted with the cantilever telescopic 13 moving frame mechanical arm 5, stop declining, now stretch out the lifting hydraulic cylinder 18 moving frame mechanical arm 5, thus drive lifting guide pillar 11 to rise together with cantilever guide peg 14, cantilever telescopic 13, the advance support rack falling frame is risen.Drive boom cylinder 20, regain cantilever telescopic 13, advance support rack is moved to rotation seat 9 direction, when advance support rack moves to after above rotation seat 9, drive lifting hydraulic cylinder 18 again, regain lifting guide pillar 11 and drive the advance support rack on cantilever telescopic 13 to fall on rotation seat 9.Regain support hydraulic vertical prop 19, the support seat 12 of its upper articulation is separated with back.
Step 2, drives transport vehicle 8 to drive and moves frame mechanical arm 5 together with the advance support rack be recovered on its rotation seat 9, moves to front portion, tunnel away from stope end.When moving to front portion, tunnel and needing the appropriate location in supporting region, first rise the support hydraulic vertical prop 19 moving frame mechanical arm 5, the support seat 12 of its upper articulation is made to contact with back to be formed and support, stretch out lifting hydraulic cylinder 18 again, drive lifting guide pillar 11 together with cantilever telescopic 13, advance support rack is lifted, leaves rotation seat 9.Drive boom cylinder 20, stretch out cantilever telescopic 13, advance support rack is reached above supporting position, now regain lifting hydraulic cylinder 18, the advance support rack on cantilever telescopic 13 is made to drop on roadway floor, then the hydraulic vertical prop 2 of the advance support rack moved into place is risen, make the back timber 1 of this advance support rack rise and contact with back, formed and effectively support.Drive boom cylinder 20, regain cantilever telescopic 13, regain support hydraulic vertical prop 19 simultaneously, the support seat 12 of its upper articulation is separated with back.Drive rotating driving device 16 and transmission mechanism 17, make rotation seat 9 central rotation 180 degree around the shaft moving frame mechanical arm 5, for the mobile other frame advance support rack be arranged in juxtaposition is prepared.
Step 3, drive transport vehicle 8 drive to move frame mechanical arm 5 to move to rear portion, tunnel, repeat the operation of above-mentioned steps one, step 2, move to anterior corresponding position, tunnel by with the other frame advance support rack that advance support rack moved before is arranged in juxtaposition, complete the reach advanced with working face mining of one group of advance support rack.
Along with the exploitation of work plane advances, according to above-mentioned steps cycling, auxiliary moving mechanism can be utilized, constantly each group of advance support rack being arranged in rear portion, tunnel is moved to front portion, tunnel, in normal mining operations tunnel, realize the continuous effective supporting to the advanced section in tunnel.
Claims (4)
1. the lame advanced supporting rack of an Aided Machine movement, comprise by back timber, base and be hinged on the advance support rack and auxiliary moving mechanism that the hydraulic vertical prop between back timber and base forms, it is characterized in that: two hydraulic vertical prop bottoms on described base are fixed together by fastening frame, back timber side utilizes telescopic hydraulic cylinder to be hinged with and protects top board, two frame advance support racks are laterally listed as one group, many groups advance support rack is longitudinal continuous arrangement along tunnel respectively, forms the support supporting to top board; Auxiliary moving mechanism comprises and moves frame mechanical arm and transport vehicle, move frame mechanical arm arrangements between the two frame advance support racks of a group to be moved, and with under the driving moving the transport vehicle that frame mechanical arm matches, longitudinally, sequentially move every frame advance support rack along tunnel.
2. the lame advanced supporting rack of Aided Machine movement according to claim 1, is characterized in that: described in move frame mechanical arm and comprise the fixed pedestal of bottom, transmission mechanism, rotating driving device, rotation seat and the lifting fairlead, lifting hydraulic cylinder, lifting guide pillar, cantilever guide peg, boom cylinder, cantilever telescopic, support seat and the support hydraulic vertical prop that are arranged on rotation seat; And drive rotation seat central rotation around the shaft by rotating driving device and transmission mechanism.
3. the lame advanced supporting rack of Aided Machine movement according to claim 2, it is characterized in that: described transmission mechanism is made up of intermeshing large and small gear, gear wheel is assembled in the bottom of rotation seat, pinion is assembled on the output shaft of rotating driving device, bottom and the fixed pedestal of rotating driving device fit together, and rotation seat is connected with fixed pedestal by rotating shaft; By rotating driving device drive transmission device, thus drive whole rotation seat central rotation around the shaft.
4. the application of the lame advanced supporting rack of the Aided Machine movement described in a claim 1 or 2, it is characterized in that: auxiliary moving mechanism moved frame mechanical arm arrangements between the two frame advance support racks of a group to be moved, and with under the driving moving the transport vehicle that frame mechanical arm matches, longitudinally, sequentially moved to front portion, tunnel away from stope end by every frame advance support rack along tunnel, concrete operation step is as follows:
Step one, driving transport vehicle to drive to move frame mechanical arm to move to stope one end, rear portion, tunnel need move forward between the two frame advance support racks of a group, rise and move the support hydraulic vertical prop of frame mechanical arm, make the support seat being hinged on top contact with back to be formed and support; Stretching out the boom cylinder moving frame mechanical arm drives cantilever telescopic to stretch out, the hydraulic vertical prop of the frame advance support rack moved forward by the need of cantilever telescopic side is regained, while this back timber is declined, what drive telescopic hydraulic cylinder to regain to be hinged on back timber end protects top board, and stretch out the anterior adjacent advance support frame of frame therewith immediately protect top board, the top board temporarily exposed because falling frame with supporting; When back timber drop to contact with the cantilever telescopic moving frame mechanical arm time, stop declining, now stretch out the lifting hydraulic cylinder moving frame mechanical arm, drive lifting guide pillar to rise together with cantilever guide peg, cantilever telescopic, the advance support rack falling frame is lifted; Boom cylinder is driven to regain cantilever telescopic, advance support rack is made to move to above rotation seat, driving lifting hydraulic cylinder to regain lifting guide pillar again drives the advance support rack on cantilever telescopic to fall on rotation seat, regain support hydraulic vertical prop, the support seat being hinged on top is separated with back;
Step 2, drives transport vehicle to drive and moves frame mechanical arm together with the advance support rack be recovered on rotation seat, after moving into place, starts to place advance support rack to front portion, tunnel away from stope end; First rise and move the support hydraulic vertical prop of frame mechanical arm, make the support seat being hinged on top contact with back to be formed and support, then stretch out lifting hydraulic cylinder, advance support rack, together with cantilever telescopic, lifts and leaves rotation seat by driving lifting guide pillar; Boom cylinder is driven to stretch out cantilever telescopic, advance support rack is reached above supporting position, now regaining lifting hydraulic cylinder makes the advance support rack on cantilever telescopic drop on roadway floor, and the hydraulic vertical prop of the advance support rack moved into place is risen, make this back timber rise and contact with back, formed and effectively support; Drive boom cylinder to regain cantilever telescopic, regain support hydraulic vertical prop simultaneously, the support seat being hinged on top is separated with back; Rotating driving device and transmission mechanism is driven to make the rotation seat central rotation 180 degree around the shaft moving frame mechanical arm, for the mobile other frame advance support rack be arranged in juxtaposition is prepared;
Step 3, drive transport vehicle drive to move frame mechanical arm to move to rear portion, tunnel, repeat the operation of step one, step 2, move to anterior corresponding position, tunnel by with the other frame that advance support rack moved before is arranged in juxtaposition, complete the reach advanced with working face mining of one group of advance support rack;
According to above-mentioned steps cycling, auxiliary moving mechanism can be utilized, constantly each group of advance support rack being arranged in rear portion, tunnel is moved to front portion, tunnel by frame, with the propelling of the normal mining operations of work plane in tunnel, realize the continuous supporting of the advanced section in tunnel.
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| CN201310162248.3A CN103216252B (en) | 2013-05-06 | 2013-05-06 | Roadway advanced supporting supports capable of assisting machinery to move |
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| CN201310162248.3A CN103216252B (en) | 2013-05-06 | 2013-05-06 | Roadway advanced supporting supports capable of assisting machinery to move |
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| CN103216252B true CN103216252B (en) | 2015-01-21 |
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| CN103452574B (en) * | 2013-09-12 | 2015-05-06 | 沈阳天安矿山机械股份有限公司 | Auxiliary bracket moving device of circular self-moving advance support |
| CN106761824B (en) * | 2016-12-19 | 2019-01-01 | 中铁建大桥工程局集团第二工程有限公司 | For the subway station rail trolley that road pours against the wind |
| CN107143363B (en) * | 2017-07-17 | 2023-03-28 | 平顶山平煤机煤矿机械装备有限公司 | Transversely-arranged air duct advanced support group for stable support |
| CN107524466B (en) * | 2017-09-30 | 2024-03-29 | 辽宁鑫丰矿业（集团）有限公司 | Advanced support system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2132833Y (en) * | 1992-07-03 | 1993-05-12 | 中国矿业大学 | Advancing special tunnel support for stope face |
| CN2188654Y (en) * | 1994-01-31 | 1995-02-01 | 杨金生 | Combined alternating bracing hydraulic support |
| RU2136887C1 (en) * | 1997-06-20 | 1999-09-10 | Институт горного дела Севера СО РАН | Powered complex for mining kimberlite |
| RU2224111C1 (en) * | 2002-06-13 | 2004-02-20 | Открытое акционерное общество по добыче угля "Воркутауголь" | Frontal cleaning outfit |
| CN101493014A (en) * | 2008-01-21 | 2009-07-29 | 刘凤仲 | Coal mine self-moving sectional shelf-unit |
| CN203223239U (en) * | 2013-05-06 | 2013-10-02 | 辽宁天安矿山科技有限公司 | Roadway advance timbering support used for assisting machine to move |
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Address after: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Applicant after: Liaoning Tian'an Technology Co., Ltd. Address before: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Applicant before: Liaoning Tian'an Mining Technology Co., Ltd. |
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Effective date of registration: 20201116 Address after: No.15 Binhe Road, Shenfu New District, Shenyang, Liaoning Province 110000 Patentee after: SHENYANG TIAN AN TECHNOLOGY Co.,Ltd. Address before: 113122 Binhe Road, Fushun Economic Development Zone, Liaoning 15, China Patentee before: LIAONING TIANAN TECHNOLOGY Co.,Ltd. |
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