CN105545335B - Support shield type staggeredly slides temporary shoring bracket and its method for protecting support - Google Patents

Support shield type staggeredly slides temporary shoring bracket and its method for protecting support Download PDF

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Publication number
CN105545335B
CN105545335B CN201610128064.9A CN201610128064A CN105545335B CN 105545335 B CN105545335 B CN 105545335B CN 201610128064 A CN201610128064 A CN 201610128064A CN 105545335 B CN105545335 B CN 105545335B
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China
Prior art keywords
frame
group
side arm
interior
top plate
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CN201610128064.9A
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CN105545335A (en
Inventor
马长青
蒋金泉
刘登彪
秦广鹏
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK 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
    • E21D23/0017Pile type supports
    • E21D23/0021Pile type supports comprising two walking elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK 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
    • E21D23/0086Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0095Temporary supports at the driving front
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK 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 OR ROCK 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
    • E21D23/16Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/18Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
    • E21D23/20Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention discloses a kind of support shield type staggeredly to slide temporary shoring bracket and its method for protecting support, described falsework, including two construction identical four-column type support bodys and hydraulic system;Two four-column type support bodys are front and rear to be arranged, push cylinder is provided between front frame body and the bottom girder of back frame body, one is formed and pulls in front and others push behind formula Combined shelf body;At least two pairs of jack are additionally provided with crossbeam, are not provided with tail trimmer to jack often, every tail trimmer can be lifted individually, and local top plate is realized and supported.In digging laneway temporary support, one group is outer group, one group is Inner groups, Inner groups are smaller than outer group on width, Inner groups can enter in outer group and be passed through from outer group, make outer group and Inner group transposition, it is each independent mobile, reach move in actual applications flexibly, the purpose that can be supported on when the top plate out-of-flatness of explosion or when top plate is not complete plane on big portion's top plate.

Description

Support shield type staggeredly slides temporary shoring bracket and its method for protecting support
Technical field
The present invention relates to roadway head gib technology.
Background technology
At present, used by the driving face of underground gib form have " post of attaching the names of pre-determined candidates " supporting, front canopy support and The forms such as temporary shoring bracket.It is to use temporary shoring bracket with the immediate technology of the present invention.Chinese patent 201310022580.X disclosing a kind of driving face self-moving temporary support hydraulic support and support method thereof, it includes one The after-frame and hydraulic system of the side arm of individual four-column type, four-column type;Side arm and after-frame be all by two longitudinal directions back timber, two What the bottom girder of longitudinal direction and four retractility columns formed, more crossbeams are provided with above two rnnning bars and form roof supporting Upper frame, four-column type side arm and after-frame nest together, and form a drawing and pulling type Combined shelf body;Side arm is made with after by hydraulic system Frame can lift the mutual pull of and can, realize that hydraulic support moves forward with working face.The deficiency of the technology is, 1, due to four posts Formula side arm and after-frame nest together, and are easily deformed in actual applications, cause pull dumb, move forward it is difficult, 2, by In upper frame be an integrated member, can only integral elevating, when the top plate out-of-flatness of explosion or top plate is not complete plane When, it can only be supported on several points of lowest part, cause big portion's top plate hanging.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, proposes that a kind of support shield type staggeredly slides gib branch Frame.
The present invention proposes the gib method in roadway head using the support simultaneously.
A kind of support shield type staggeredly slides temporary shoring bracket, including two construction identical four-column type support bodys and hydraulic pressure System;Four-column type support body be by the back timber of two longitudinal directions, more crossbeams, two longitudinal directions bottom girder and four telescopic post groups Into three-dimensional support body, it is characterised in that:
Two four-column type support bodys are front and rear to be arranged, is referred to as front frame body and back frame body, the bottom girder of front frame body and back frame body it Between be provided with push cylinder, form one and pull in front and others push behind formula Combined shelf body;Two four-column type support bodys are made to rise by hydraulic system The mutual push-and-pull of and can is dropped, realizes that Combined shelf body moves forward with the advance of the face;
At least two pairs of jack are additionally provided with described crossbeam, each pair jack is provided with tail trimmer, and every tail trimmer can Individually lifting, local top plate is realized and supported.
It is using gib method of the support to roadway head:
The first step, arrangement initial position
Two groups of falseworks are arranged in digging laneway working face, one of which is outer group, and one group is Inner groups, and Inner groups are in width On certain size smaller than outer group, Inner groups can enter in outer group and pass through from outer group, make outer group and Inner group transposition, outer group Before, interior group rear, arranged against work on hand face, their side arm and after-frame is all in contraction state, all tail trimmers supports Top plate, under gib, before blow out, discharge refuse, normally tunneled, followed by permanent support;
Second step, interior group to reach frame
Above blow out discharge refuse complete a drilling depth, below permanent support also after the completion of, should be immediately by interior group to reach frame, branch Prop up the empty top after blowing out;
First shifting frame process:
1st, top plate is left into contracting under interior group of side arm tail trimmer, then interior group of side arm drop frame, drop frame height are organized outside Below beam height;
2nd, interior group of push cylinder is stretched out after drop frame, promotes side arm reach to enter in outer group of after-frame;
3 then interior group of side arm rise frame, and adjusting jack makes tail trimmer be supported on top plate;
4th, frame drops in interior group of after-frame, drops interior group after frame of push cylinder retraction, pulls after-frame to move forward, close side arm, now, First is completed to reach frame process;
Second shifting frame process:
1st, interior group of after-frame is risen into frame, and adjusting jack makes tail trimmer be supported on top plate, by interior group of side arm hyphen Top plate is left in contracting under beam, then interior group of side arm drop frame, below the beam height that drop frame height is organized outside;
2nd, the push cylinder of group is stretched out in operation, promotes side arm reach to enter in outer group of side arm;
3 then interior group of side arm rise frame, and adjust jack and make;
4th, interior group of after-frame drop frame, interior group after frame of push cylinder retraction is dropped, pulls after-frame reach to make interior group close to side arm With outer group of coincidence;Now, second is completed to reach frame process;
3rd shifting frame process:
1st, top plate is left into contracting under interior group of side arm tail trimmer, after-frame tail trimmer is supported on top plate;
2nd, the push cylinder of group is stretched out in operation, promotes side arm to be advanced to before outer group of side arm, and the work after blowing out Make face, then interior group of side arm rises frame, and adjust jack make tail trimmer be supported on explosion after empty top on, interior group of after-frame with outer group Side arm overlaps;Now, the 3rd is completed to reach frame process;Under gib, blown out, discharge refuse, carried out normal again Driving;
4th shifting frame process:
After driving completes a drilling depth, the empty top after blowing out again should be supported immediately by interior group to reach frame;
Interior group identical with the 3rd shifting frame process to reach frame process, the work for making interior group of side arm be moved to after blowing out again Face, then interior group of side arm rises frame, and adjusting jack makes tail trimmer be supported on top plate;Interior group of push cylinder contracting is operated again Return, pull interior group after-frame to be advanced to before outer group of side arm, and adjusting jack makes tail trimmer be supported on top plate, so that interior group At preceding, outer group rear;
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move during frame outrigger from Pass through the initial position until returning to the first step outside internal frame;
4th step, so circulation, until whole piece tunnelling finishes.
Good effect of the present invention is, 1, due to interior group it is not mutually nested with outer group, it is each independent mobile, in actual applications Do not allow it is yielding, it is mobile flexible, 2, because upper frame is provided with telescopic more piece short beam, can individually lift, when the top plate of explosion During out-of-flatness or when top plate is not complete plane, it can be supported on most of top plate.
Brief description of the drawings
Fig. 1 is the front view that support shield type staggeredly slides falsework;
Fig. 2 is Fig. 1 top view;
Fig. 3 is Fig. 1 right view;
Fig. 4 is interior group and outer group of initial position layout drawing;
Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 are interior group of shifting frame procedure charts;
Figure 10 be after interior group of shifting frame interior group at preceding, outer group in rear layout drawing.
Marginal data, 1- bottom girders;2- columns;3- back timbers;4- jack;5- tail trimmers;6- push cylinder;7- crossbeams.
Embodiment
Technical scheme is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, support shield type of the invention staggeredly slides temporary shoring bracket, including two constructions Identical four-column type support body and hydraulic system;Four-column type support body is 7, two back timber 3 by two longitudinal directions, more crossbeams longitudinal directions The three-dimensional support body that bottom girder 1 and four telescopic posts 2 form;Wherein:
Two four-column type support bodys are front and rear to be arranged, is referred to as front frame body and back frame body, the bottom girder 1 of front frame body and back frame body it Between be provided with push cylinder 6, form one and pull in front and others push behind formula Combined shelf body;Two four-column type support bodys are made to rise by hydraulic system The mutual push-and-pull of and can is dropped, realizes that Combined shelf body moves forward with the advance of the face;
At least two pairs of jack 4 are additionally provided with described crossbeam 7, each pair jack 4 is provided with tail trimmer 5, every hyphen Beam 5 can be lifted individually, and local top plate is realized and supported.
It is using gib method of the support in roadway head:
The first step, arrangement initial position
Two groups of falseworks are arranged in digging laneway working face, one of which is outer group, and one group is Inner groups, and Inner groups are in width On certain size smaller than outer group, Inner groups can enter in outer group and pass through from outer group, make outer group and Inner group transposition, during arrangement Outer group at preceding, interior group rear, arranged against work on hand face, their side arm and after-frame is all in contraction state, all hyphens The roof supporting of beam 5, under gib, before blow out, discharge refuse, normally tunneled, followed by permanent support;Such as Fig. 4 institutes Show;
Second step, interior group to reach frame
Above blow out discharge refuse complete a drilling depth, below permanent support also after the completion of, should be immediately by interior group to reach frame, branch Prop up the empty top after blowing out;
First shifting frame process:
1st, top plate is left into interior group of 5 times contractings of side arm tail trimmer, then interior group of side arm drop frame, drop frame height are organized outside Below the height of crossbeam 7 (as shown in Figure 5);
2nd, interior group of push cylinder 6 is stretched out after drop frame, promotes side arm reach into (as shown in Figure 6) in outer group of after-frame;
3 then interior group of side arm rise frame, and adjusting jack 4 makes tail trimmer 5 be supported on top plate (as shown in Figure 7);
4th, interior group of after-frame drop frame, interior group of push cylinder 6 is retracted after dropping frame, pulls after-frame reach, close to side arm, is such as schemed Shown in 8);Now, first is completed to reach frame process;
Second shifting frame process:
1st, interior group of after-frame is risen into frame, and adjusting jack 4 makes tail trimmer 5 be supported on top plate, interior group of side arm is short Top plate is left in 5 times contractings of crossbeam, then interior group of side arm drop frame, below the height of crossbeam 7 that drop frame height is organized outside;
2nd, the push cylinder 6 of group is stretched out in operation, promotes side arm reach to enter in outer group of side arm;
3 then interior group of side arm rise frame, and adjusting jack 4 makes tail trimmer 5 be supported on top plate;
4th, interior group of after-frame drop frame, interior group of push cylinder 6 is retracted after dropping frame, pulls after-frame reach close to side arm, make in Group and outer group of coincidence;Now, second is completed to reach frame process;
3rd shifting frame process:
1st, top plate is left into interior group of 5 times contractings of side arm tail trimmer, after-frame tail trimmer 5 is supported on top plate;
2nd, the push cylinder 6 of group is stretched out in operation, promotes side arm to be advanced to before outer group of side arm, and the work after blowing out Make face, then interior group of side arm rises frame, and adjust jack 4 make tail trimmer 5 be supported on explosion after empty top on, interior group of after-frame with it is outer Group side arm overlaps;Now, the 3rd is completed to reach frame process;Under gib, blown out, discharge refuse, carried out just again Often driving;(as shown in Figure 9);
4th shifting frame process:
After driving completes a drilling depth, the empty top after blowing out again should be supported immediately by interior group to reach frame;Interior group to Reach frame process with the 3rd moves frame process identical, the working face for making interior group of side arm be moved to after blowing out again, then before interior group Frame rises frame, and adjusting jack 4 makes tail trimmer 5 be supported on top plate;Operate interior group of push cylinder 6 again to retract, group in pulling After-frame is advanced to before outer group of side arm, and adjusting jack 4 makes tail trimmer 5 be supported on top plate;So that interior group at preceding, outer group Rear (as shown in Figure 10);
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move frame process outrigger from interior Pass through, the initial position until returning to the first step, (as shown in Figure 4) outside frame;
4th step, so circulation, until whole piece tunnelling finishes.

Claims (1)

1. a kind of staggeredly slide method of the temporary shoring bracket to roadway head gib using support shield type, its It is characterised by:Described support shield type staggeredly slides temporary shoring bracket structure:Including two construction identical four-column types Support body and hydraulic system;Four-column type support body is stretched by the back timber of two longitudinal directions, more crossbeams, the bottom girder of two longitudinal directions and four The three-dimensional support body of contracting formula column composition, two four-column type support bodys are front and rear to be arranged, is referred to as front frame body and back frame body, front frame body and Push cylinder is provided between the bottom girder of back frame body, one is formed and pulls in front and others push behind formula Combined shelf body;Make two four by hydraulic system Pillar support body can lift the mutual push-and-pull of and can, realize that Combined shelf body moves forward with the advance of the face;On described crossbeam also Provided with least two pairs of jack, each pair jack is provided with tail trimmer, and every tail trimmer can be lifted individually, and local top plate is realized Support;
The method of gib is:
The first step, arrangement initial position
Two groups of falseworks are arranged in digging laneway working face, one of which is outer group, and one group is Inner groups, and Inner groups compare on width Outer group of small certain size, Inner groups can enter in outer group and pass through from outer group, make outer group and Inner group transposition, outer group it is preceding, Interior group rear, arranges, their side arm and after-frame is all in contraction state, all tail trimmer branch supports against work on hand face Plate, under gib, before blow out, discharge refuse, normally tunneled, followed by permanent support;
Second step, interior group to reach frame
Above blow out discharge refuse complete a drilling depth, below permanent support also after the completion of, should be supported immediately by interior group to reach frame Empty top after blowing out;
First shifting frame process:
1st, top plate is left into contracting under interior group of side arm tail trimmer, then interior group of side arm drop frame, the crossbeam that drop frame height is organized outside Below height;
2nd, interior group of push cylinder is stretched out after drop frame, promotes side arm reach to enter in outer group of after-frame;
3 then interior group of side arm rise frame, and adjusting jack makes tail trimmer be supported on top plate;
4th, interior group of after-frame drop frame, interior group after frame of push cylinder retraction is dropped, pulls after-frame reach, close to side arm, now, is completed First to reach frame process;
Second shifting frame process:
1st, interior group of after-frame is risen into frame, and adjusting jack makes tail trimmer be supported on top plate, by under interior group of side arm tail trimmer Top plate is left in contracting, then interior group of side arm drop frame, below the beam height that drop frame height is organized outside;
2nd, the push cylinder of group is stretched out in operation, promotes side arm reach to enter in outer group of side arm;
3 then interior group of side arm rise frame, and adjusting jack makes tail trimmer be supported on top plate;
4th, interior group of after-frame drop frame, drop interior group after frame of push cylinder and retract, pull after-frame reach close to side arm, make interior group and outer Group overlaps;Now, second is completed to reach frame process;
3rd shifting frame process:
1st, top plate is left into contracting under interior group of side arm tail trimmer, after-frame tail trimmer is supported on top plate;
2nd, the push cylinder of group is stretched out in operation, promotes side arm to be advanced to before outer group of side arm, and the working face after blowing out, Then interior group of side arm rises frame, and adjusts on the sky top that jack makes tail trimmer be supported on after explosion, interior group of after-frame and outer group of side arm Overlap;Now, the 3rd is completed to reach frame process;Under gib, blown out, discharge refuse, normally tunneled again;
4th shifting frame process:
After driving completes a drilling depth, the empty top after blowing out again should be supported immediately by interior group to reach frame;
Interior group is identical with the 3rd shifting frame process to reach frame process, the working face for making interior group of side arm be moved to after blowing out again, Then interior group of side arm rises frame, and adjusting jack makes tail trimmer be supported on top plate;Interior group of push cylinder is operated again to retract, and is drawn Group after-frame is advanced to before outer group of side arm in dynamic, and adjusting jack makes tail trimmer be supported on top plate so that interior group it is preceding, Outer group rear;
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move during frame outrigger from internal frame Outside passes through the initial position until returning to the first step;
4th step, so circulation, until whole piece tunnelling finishes.
CN201610128064.9A 2016-03-07 2016-03-07 Support shield type staggeredly slides temporary shoring bracket and its method for protecting support Active CN105545335B (en)

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* Cited by examiner, † Cited by third party
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CN112302695B (en) * 2020-10-22 2022-10-14 中电建南方建设投资有限公司 Temporary supporting method for mine excavation
CN113882889B (en) * 2021-11-01 2024-02-27 安徽理工大学 Head-tail interactive sliding type anchor support integrated equipment and control method
CN114233358B (en) * 2021-12-29 2024-04-12 安阳永安贺驼煤矿有限公司 Bag-type filling support device for top of stope

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Publication number Priority date Publication date Assignee Title
US5368369A (en) * 1993-03-23 1994-11-29 Council Of Scientific & Industrial Research Equipment useful for winning ores particularly coal in longwall mining
CN202628150U (en) * 2012-05-31 2012-12-26 山西东华机械有限公司 Self-moving type follow-up end bracket
CN102913268A (en) * 2012-11-16 2013-02-06 山东矿机集团股份有限公司 Mobile support bracket of tunneling machine
CN202946177U (en) * 2012-10-25 2013-05-22 高宇 Improved hydraulic support used for coal mines
CN103306696A (en) * 2012-03-15 2013-09-18 陕西火石咀煤矿有限责任公司 Self-moving roadway advance support bracket
CN203531940U (en) * 2013-07-25 2014-04-09 河南焦煤能源有限公司九里山矿 Stepping type advanced supporting and hydraulic support
CN203756208U (en) * 2014-03-25 2014-08-06 山东科技大学 Top beam telescopic driving working face temporary timbering support

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368369A (en) * 1993-03-23 1994-11-29 Council Of Scientific & Industrial Research Equipment useful for winning ores particularly coal in longwall mining
CN103306696A (en) * 2012-03-15 2013-09-18 陕西火石咀煤矿有限责任公司 Self-moving roadway advance support bracket
CN202628150U (en) * 2012-05-31 2012-12-26 山西东华机械有限公司 Self-moving type follow-up end bracket
CN202946177U (en) * 2012-10-25 2013-05-22 高宇 Improved hydraulic support used for coal mines
CN102913268A (en) * 2012-11-16 2013-02-06 山东矿机集团股份有限公司 Mobile support bracket of tunneling machine
CN203531940U (en) * 2013-07-25 2014-04-09 河南焦煤能源有限公司九里山矿 Stepping type advanced supporting and hydraulic support
CN203756208U (en) * 2014-03-25 2014-08-06 山东科技大学 Top beam telescopic driving working face temporary timbering support

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