CN105909295A - Rapid withdrawing support and equipment system for roadway-free coal-pillar-free self-retaining roadway mining method - Google Patents
Rapid withdrawing support and equipment system for roadway-free coal-pillar-free self-retaining roadway mining method Download PDFInfo
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- CN105909295A CN105909295A CN201610425964.XA CN201610425964A CN105909295A CN 105909295 A CN105909295 A CN 105909295A CN 201610425964 A CN201610425964 A CN 201610425964A CN 105909295 A CN105909295 A CN 105909295A
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- 238000005065 mining Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title abstract description 5
- 239000003245 coal Substances 0.000 claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims description 41
- 238000012407 engineering method Methods 0.000 claims description 32
- 238000010276 construction Methods 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 230000007704 transition Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 12
- 238000000605 extraction Methods 0.000 description 7
- 239000010878 waste rock Substances 0.000 description 5
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- 230000032258 transport Effects 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 2
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- 239000004744 fabric Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
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- 238000009412 basement excavation Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/60—Devices for withdrawing props or chocks
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/049—Connecting devices between the head or foot of a prop and the cap or base of the roof support
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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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)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention provides a quick withdrawing support and an equipment system for a roadway-free and coal-pillar-free self-retaining roadway mining method, which are used in the roadway-free and coal-pillar-free self-retaining roadway mining method. The quick retracting supports are supported on the coal mining channel, the quick retracting supports are spliced at the side faces, and a gap is reserved between every two adjacent quick retracting supports; the quick withdrawing support comprises a base, a top beam, a pillar and a rear baffle; the base is arranged at the lower side; the top beam supports the top rock mass at the top, and the support column is telescopically supported between the base and the top beam; the rear baffle plate comprises two hinged inclined plates; flexible sealing belts are arranged on the side surfaces of the top beam and the rear baffle, and after the two quick retraction supports are butted, the butted flexible sealing belts block a gap between the two supports; and a plurality of anchor cable drill holes are formed in the rear part of the top beam, and anchor cable drill holes are constructed towards the top plate through anchor cable drill hole reserved holes. The purpose of quickly forming a retraction channel is achieved, the safety of equipment and personnel on the working face is effectively protected, and the quick retraction of the working face is achieved.
Description
Technical field
The present invention relates to coal mine work area corollary equipment, particularly relate to a kind of reserve lane without tunnel for one's own use without coal column and open
Adopt Quick-return support and the change system of engineering method, for carrying without the enforcement of coal pillar mining engineering method without tunnelling
Supply to ensure.
Background technology
Owing to force piece back timber and caving shield side guard plate are ferrous materials, if force piece is indirect
Touch too closely, produce bigger friction when trying to stop people from fighting each other, produce and sting frame phenomenon, bracket side backplate is worn and torn
Relatively big, therefore, there is between the hydraulic support of conventional operation face certain gap, top board spoil and dust
Dropping in work surface easily by the gap between support, especially try to stop people from fighting each other period, back timber gap is indirect
Increasing, top board spoil and dust pour in work surface, cause work surface dust to strengthen, affect work
Face operating personnel's is healthy.
When working face extraction is to when stopping adopting line, and support stops reach, need to tunnel out and remove frame passage to carry out work
Withdraw as face.Big owing to removing frame passage section, tunnel out that to remove frame passage institute elapsed time long, and easily
Roof fall accident occurring, causes casualties, labor strength is big.
Therefore, a kind of dust-proof, Quick-return support need to be designed, make to be formed between frame enclosed construction, reduce
Dust pouring in work surface between support；Back production can quickly be formed after terminating and remove frame passage, it is to avoid because of pick
Enter to remove the casualties during the plenty of time and driving that frame passage consumed, make the labor intensity of workman
Reduce.
It is only used for strengthening the reason of the background to the present invention in information above-mentioned disclosed in described background section
Solving, therefore it can include not constituting the information to prior art known to persons of ordinary skill in the art.
Summary of the invention
Introducing the concept of a series of reduced form in Summary, this will be in detailed description of the invention
Part further describes.Present invention part is not meant to attempt to limit required guarantor
The key feature of the technical scheme protected and essential features, more do not mean that attempt to determine claimed
The protection domain of technical scheme.
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it is provided that one is without tunnel without coal column certainly
Stay the Quick-return support of lane exploitation engineering method, to solve to leak cash between support, cause big the asking of work surface dust
Topic,
Another object of the present invention is to provide a kind of and reserve quickly returning of lane exploitation engineering method without tunnel for one's own use without coal column
Removing supporters and change system, to overcome driving to remove frame passage elapsed time length, easily cause casualties and labor
The problem that fatigue resistance is big.
Additional aspect and the advantage of the present invention will be set forth in part in the description, and partly will
It is apparent from from describe, or can the acquistion by the practice of the present invention.
According to an aspect of the present invention, it is provided that a kind of without tunnel without coal column reserve for one's own use lane exploitation engineering method quick
Withdrawing support, described Quick-return support uses to be reserved for one's own use in lane exploitation engineering method without coal column without tunnel；One
Carrying out coal mining activity in coal mining passage, described coal mining passage posterior region is mined out distressed zone, with multiple institutes
State Quick-return support and be supported on described coal mining passage, splice with side between each described Quick-return support,
A gap is left between adjacent two described Quick-return supports；Described Quick-return support include base,
Back timber, pillar and backboard；Described base is in downside；Described back timber is in top braces top rock mass, institute
State pillar to be telescopically supported between described base and back timber；Described backboard include two hinged oblique
Plate；Described back timber and backboard are mounted on flexible sealing band, described quick time of adjacent two in side
After removing supporters splices with side, the described flexible sealing band of docking blocks two adjacent described Quick-returns
Gap between support；Described back timber rear portion offers the boring of multiple anchor cable, is holed to top board by anchor cable
Construction anchor cable boring.
According to an embodiment of the present invention, described flexible sealing band is zigzag structure, uses flexible resistance to
Mill material.
According to an embodiment of the present invention, described back timber rear portion offers the boring of multiple joint-cutting, by institute
State joint-cutting to hole to the intensive boring of top board construction.
According to an embodiment of the present invention, the boring of described joint-cutting and anchor cable boring are outside equipped with dust cover,
Described dust cover selectivity covers outside the boring of described joint-cutting and anchor cable are holed.
According to an embodiment of the present invention, described Quick-return support front portion connects traction fluid cylinder pressure,
Described traction fluid cylinder pressure connects anterior fixing equipment, described in described traction fluid cylinder pressure tethered sliding forward
Quick-return support.
According to an embodiment of the present invention, working face extraction, to when stopping adopting line certain distance, stops reach
Support, transports net by top net transport pulley to top board, when top net spreads out length more than coal seam height at top board
About during 0.5m, stop fortune net；Open cover plate, holed to top board construction anchor cable by anchor cable boring preformed hole,
After anchor cable drilling construction, constant-resistance anchor cable is installed, then, is executed to top board by joint-cutting boring preformed hole
The intensive boring of work, after intensive drilling construction, closes cover plate；Work surface continues to push ahead, rear
Top board is caving along intensive boring, and wire netting is become vertical direction from horizontal direction under the pressure of spoil.
According to an embodiment of the present invention, often advance the distance of an anchor cable array pitch, re-use row's anchor
Rope, until back production is to stopping adopting line, force piece retreats, and front channel uses as return channel.
As shown from the above technical solution, the equipment system reserving exploitation engineering method in lane without tunnel without coal column for one's own use of the present invention
System advantage and have the active effect that
Retouch rope or anchor pole by retouching cable drilling hole to top board construction constant-resistance with anchor cable rig, can be used for formation and stop adopting
After equipment Quick-return passage.Bore can put forming pressure to the intensive boring of top board construction by joint-cutting
Top, first sheds the roof pressure inside return channel, it is to avoid return channel in use collapses.
Quickly form return channel purpose, effectively protect the safety of working face equipment and personnel, it is achieved that work
The Quick-return in face.
It is mounted on flexible sealing band at back timber and two lateral surface of backboard, with this, quickly returns at two
After removing supporters docking, the flexible sealing band of docking can effectively block gap therebetween.Thus reach anti-
Dirt and the effect of anti-bite frame.
As shown from the above technical solution, the equipment system reserving exploitation engineering method in lane without tunnel without coal column for one's own use of the present invention
System advantage and have the active effect that carry out general work face exploitation time, the sidepiece of a work surface on it
Stay lane as crossheading on it, the coal mining passage of production face as vent passages, self stay lane as lower crossheading,
Still form complete ventilating system.In this process, all the time without to any operative face at mining operations
The upper crossheading of front individually excavation and lower crossheading, it is only necessary to recovery process carries out staying lane, therefore improve work and imitate
Rate, reduces resource consumption.
Accompanying drawing explanation
By being considered in conjunction with the accompanying following the following detailed description of the embodiment of the present invention, the present invention's is each
Plant target, feature and advantage will become apparent from.Accompanying drawing is only the exemplary diagram of the present invention,
It is not necessarily drawn to scale.In the accompanying drawings, same reference represents same or similar all the time
Parts.Wherein:
Fig. 1 is the floor map of 121 engineering method coal mining activity modes in prior art；
Fig. 2 is the floor map reserving exploitation engineering method in lane without tunnel without coal column for one's own use of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention without tunnel without coal column reserve for one's own use lane exploitation engineering method change system whole
Body arranges plan structure schematic diagram；
Fig. 4 be the embodiment of the present invention without tunnel without coal column reserve for one's own use lane exploitation engineering method change system whole
Body arranges stravismus structural representation；
Fig. 5 is coal mining passage and the schematic diagram of Liu Xiang district rack arrangement in the embodiment of the present invention；
Fig. 6 is that in the embodiment of the present invention, Quick-return chassis plane arranges schematic diagram；
Fig. 7 is that in the embodiment of the present invention, Quick-return support shifting frame withdraws schematic diagram；
Fig. 8 is Quick-return support perspective view in the embodiment of the present invention；
Fig. 9 is Quick-return support plan structure schematic diagram in the embodiment of the present invention；
Figure 10 is Quick-return bracket side TV structure schematic diagram in the embodiment of the present invention.
Description of reference numerals:
2, exploiting field；20, head adopts face；21, upper crossheading；22, lower crossheading；25, return air is gone down the hill passage；
26, track is gone down the hill passage；27, coal mining passage；28, belt is gone down the hill passage；29, mined out distressed zone；3、
Transition bracket；4, face end support；5, super after-poppet；51, toplap after-poppet is cut；52, after gear cash is super
Support；6, Quick-return support；61, base；62, back timber；622, joint-cutting boring；623, dust-proof
Cover plate；63, pillar；64, backboard；65, flexible sealing band；66, cable rig is retouched；661, drilling rod；
68, device for layering；7, coal-winning machine system；71, coal-winning machine；72, scrapper conveyor.
10, work surface；11, upper crossheading；12, lower crossheading；13, production face；14, belt is gone down the hill
Passage；15, return air is gone down the hill passage；16, track is gone down the hill passage.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can
Implement in a variety of forms, and be not understood as limited to embodiment set forth herein；On the contrary, it is provided that this
A little embodiments make the present invention will fully and completely, and the design of example embodiment are passed on all sidedly
To those skilled in the art.Reference identical in figure represents same or similar structure, thus will
Omit their detailed description.
The present embodiments relate to reserve lane exploitation engineering method without tunnel for one's own use without coal column be the exploitation of a kind of New Coal Mine
Method, is characterized in, from the point of view of single work surface, not be used in before working face mining excavate upper crossheading and under
Crossheading, also without reserved coal pillar in recovery process, and can ensure the ventilation in whole exploiting field.This explanation
Exploiting field (district) alleged by refers to: in stage or mining level, across pitch is divided into and has independent production system
Exploitation block section.Flat seam exploiting field is also known as panel (panel)；Inclined longwall divides exploiting field that band exploits again
Claim zone (strip district).Make to launch explanation with the structure of a specific embodiment below.
Fig. 2 be the embodiment of the present invention without tunnelling without the floor map of coal pillar mining engineering method；Figure
3 be the embodiment of the present invention without tunnel without coal column reserve for one's own use lane exploitation engineering method change system integral arrangement bow
TV structure schematic diagram；Fig. 4 is the dress reserving exploitation engineering method in lane without tunnel without coal column for one's own use of the embodiment of the present invention
Standby system integral arrangement looks side ways structural representation；Fig. 5 is coal mining passage and Liu Xiang in the embodiment of the present invention
The schematic diagram of district's rack arrangement.
The present embodiments relate to reserves exploitation engineering method in lane without tunnel for one's own use without coal column, in one embodiment
As in figure 2 it is shown, include at least one exploiting field 2, it is provided directly with return air in the side in exploiting field 2 and goes down the hill logical
Road 25 and track are gone down the hill passage 26, are provided with and communicated with belt at exploiting field well head to opposite side and go down the hill passage 28.
Return air passage 25, track passage 26 passage 28 of going down the hill with belt of going down the hill of going down the hill all connects well head, Er Qiepi
Band passage 28 of going down the hill connects return air behind whole exploiting field 2 and goes down the hill passage 25, forms the entirety in exploiting field 2
Ventilating system.The exploiting field mentioned in description refers to, in stage or mining level, across pitch is divided into and has
The exploitation block section of independent production system.In this embodiment, exploiting field 2 can be divided into multiple according to job requirements
Work surface.For example, adopting on face 20 at head, go down the hill a section of passage 28 of belt adopts face as this head
The upper crossheading 21 of 20 is aerated and produces coal.
A kind of being applicable to of the exemplary offer of the embodiment of the present invention reserves joining of lane exploitation engineering method without tunnel for one's own use without coal column
Set change system, to reach exploiting field without tunnelling without the purpose of coal pillar mining.
The change system reserving exploitation engineering method in lane without tunnel without coal column for one's own use of the embodiment of the present invention, work surface is supporting
Change system overall layout chart can be chosen as shown in Figure 3, Figure 4, and equipment here arranges that orientation is
The mirror image orientation of Fig. 2, illustrates that the enforcement of this change system is not rely on concrete position relation.
Can select to carry out reserving lane mining operations without tunnel for one's own use without coal column in exploiting field with this change system, described
Change system can specifically include that transition bracket 3, face end support 4, super after-poppet 5, withdraw support 6,
Joint-cutting device and coal-winning machine system 7.Coal-winning machine system carries out coal mining activity in coal mining passage 27, mines
Machine is mined along upper crossheading 21 bearing of trend and is advanced in (direction shown in filled arrows in figure), and coal mining passage
The 27 upper crossheadings 21 of outer end connection, the lower crossheading 22 of the inner connection of coal mining passage 27.Here the crossheading 22 is descended to be
Exploitation is constantly stayed lane operation formed, go up crossheading 21 among these and lower crossheading 22 is basically parallel to coal-winning machine
System 7 direction of extraction, on rear side of coal mining passage 27 and between lower crossheading 22 (also referred to as Liu Xiang district) outside
Region can be mined out distressed zone 29, is the coal-winning machine system rear side goaf of constantly running generation.
Coal-winning machine system described in this specification 7 direction of extraction refers to overall direction of advance, as real in Fig. 3
Direction shown in heart arrow, in coal-winning machine system 7 coal-winning machine in coal mining passage 27 to the left or to the right along antetheca
Exploitation, to realize the propelling of forward direction.Upper crossheading 21 and lower crossheading 22 are basically parallel to coal-winning machine
System 7 direction of extraction, the most substantially parallel be explain clearly adopt in the unavoidable deviation existed；It addition, the most also
Need to be adjusted according to the special case in coal seam with geology, but be substantially at parastate.Therefore
Crossheading is all constantly to be stayed lane to be formed by mining operations.
Wherein, and shown in reference Fig. 5, transition bracket 3, face end support 4, super after-poppet 5 prop up with withdrawing
Frame 6 the most telescopically supports rock mass and top rock mass bottom exploiting field.The embodiment of these supports may select
For being respectively provided with top board and base plate, and can be by hinged supporting leg and/or hydraulic cylinder type supporting leg between top board and base plate
Support actively.
According to an embodiment of the present invention, transition bracket 3 can be located at coal mining passage 27, mined out distressed zone 29
And between lower crossheading 22.Concrete example, transition bracket 3 length direction may be selected to be and is approximately normal to adopt
Coal channel 27, transition bracket 3 rear portion can be located in mined out distressed zone 29, and transition bracket 3 front portion can position
In coal mining passage 27, lower crossheading 22 (Liu Xiang district) edge is close in side, so before transition bracket 3
Leaving a blank in portion, in order to reserves coal-winning machine and operate the space passed through.Transition bracket 3 is arranged in this, and one is
Coal mining passage 27 and lower crossheading 22 can be supported simultaneously；Two is to reduce wind resistance area so that do not have barricade
Kind equipment affects the overall ventilation in tunnel；Three is enough spaces can be had to reserve coal-winning machine pass through space,
Thus without affecting coal mining activity；Four are easy for utilizing transition bracket 3 to lay to mined out distressed zone at top
29 protection networks extending certain distance, in order to after mined out distressed zone 29 collapses, protection network can protect
Portion of side at lower crossheading 22.Transition bracket 3 is on the premise of meeting conditions above, optional in agent structure
Selecting coal mining supporting structure commonly used in the art, such as hydraulic column cribbing, hinged lower limb is tied with hydraulic column
The forms such as the support closed, concrete rack form is not limiting as.
According to an embodiment of the present invention, may select and at least will be installed on transition bracket 3 by all seam devices,
Joint-cutting device can be utilized along the boundary line of lower crossheading 22 (Liu Xiang district) and mined out distressed zone 29 to top
Portion's rock mass carries out longitudinal joint-cutting operation, in order to form lower crossheading 22 (Liu Xiang district).It is advantageous in that, can profit
Carrying joint-cutting device with transition bracket 3, wherein, joint-cutting device can include multiple joint-cutting rig, available
Joint-cutting rig forms multiple boring along a determining deviation in top rock mass, may utilize explosion or distending dress afterwards
Put and multiple borings are split up as linear-seam.Here select on transition bracket 3 install joint-cutting device, and
Operation slot is left, in order to carry out joint-cutting operation from bottom to top on transition bracket 3 back timber.
According to an embodiment of the present invention, face end support 4 is positioned at coal mining passage 27 and Liu Xiang area overlapping district,
Face end support 4 can include two or three supports side by side, and face end support 4 is namely positioned at coal mining passage
The inner termination of 27 and the inner termination of lower crossheading 22.Lower crossheading 22 is cut pressure release Hou Liu lane, top for goaf and is formed,
So, after coal adopted by coal-winning machine, need interior side and top to lower crossheading 22 as early as possible to reinforce, termination
Support 4 rear portion is positioned at lower crossheading 22, and front portion is positioned at and the overlay region of coal mining passage 27, and side can
To help in being close to lower crossheading 22, naturally it is also possible to reserve a determining deviation, so leaving a blank in face end support 4 front portion,
So that reserving coal-winning machine to operate the space passed through.Face end support 4 is arranged in this, and one is can be simultaneously
Support coal mining passage 27 and lower crossheading 22；Two is enough spaces can be had to reserve coal-winning machine pass through space,
Thus without affecting coal mining activity；Three are easy for utilizing face end support 4 to arrange anchor pole or anchor cable rig, with
It is easy to the interior side to lower crossheading 22 and top utilizes anchor cable and/or anchor pole to reinforce.Lay anti-at top
Protecting wire net, protection network can be fixed by anchor pole or anchor cable, to prevent kataclastics stone from dropping, is also convenient for simultaneously
Operation is reinforced in follow-up whitewashing.Face end support 4, can in agent structure on the premise of meeting conditions above
Select coal mining supporting structure commonly used in the art, such as hydraulic column cribbing, hinged lower limb and hydraulic column
In conjunction with the form such as support, concrete rack form is not limiting as.
According to an embodiment of the present invention, owing to installing multiple anchor cable rig on face end support 4, termination is propped up
Operation hole and/or operation slot can be left on frame 4 back timber.So that beating anchor hole from bottom to top and installing anchor cable
Or anchor hole.Multiple anchor cable rigs also have lateral anchor hole rig, in order to inwardly help and carry out punching peace
Dress anchor cable or the operation of anchor pole.
According to an embodiment of the present invention, as shown in Figure 3, Figure 4, super after-poppet 5 is many groups, and often
Group is at least two, and super after-poppet 5 is positioned at Liu Xiang district, many group super after-poppet 5 direct stationary lane districts cloth successively
Put.Super after-poppet 5 can move frame with the continuous stepping of coal-winning machine system 7 and advance, and completes the gear in Liu Xiang district simultaneously
Cash, wall supporting, support etc. act on.Optional above two groups or three groups for cutting toplap after-poppet 51, may select
Two groups or three groups next surpass after-poppet 52 for gear cash, cut toplap after-poppet 51 and can install joint-cutting rig, with
Joint-cutting device in transition bracket coordinates, and ensures that total system has enough roof*.cross breaker prop with this, can guarantee that
Top board is caving smoothly along joint-cutting face.Goaf top plate under the common effect of mine pressure and roof*.cross breaker prop,
Substantially completely it is caving stable.Also can be provided with multiple between lower crossheading 22 Liu Xiang district and mined out distressed zone 29
Waste rock board, multiple waste rock boards are laid in outside Liu Xiang district and help；Multiple preformed hole is offered, profit on waste rock board
To mined out distressed zone 29, anchor pole or anchor cable are installed with preformed hole.Super after-poppet 5 is provided with lateral support and stretches
Bar, lateral support expansion link supports waste rock board.Gear cash surpasses after-poppet 52 can be logical equipped with jumbolter
Cross waste rock board anchor pole preformed hole to lane, goaf side construction grouted anchor bar.
The super after-poppet system of the embodiment of the present invention, it is achieved that work surface rear is cut top, gear cash, played slip casting
The function such as anchor pole, slip casting, can be beneficial to being caving smoothly of goaf top plate, and be improved further by slip casting
The intensity of lane, goaf side and stability, can obtain good one-tenth lane effect.
Multiple support 6 that withdraws can be used to be arranged side by side, to support coal mining passage 27, withdraw support 6 also
May be selected to be ordinary stent, it is only necessary to reserve in front end coal-winning machine system 7 by space, and withdraw
Can also select on support 6 anchor hole rig, device for layering and joint-cutting device are installed, in order to make mining
Carry out the installation of anchor pole or anchor cable before the terminal of industry after certain distance lapping, carry out finally by joint-cutting operation
Caving operation.
According to an embodiment, coal-face can use Special dustproof erosion control Quick-return support 6, top
Portion and rear side protective plate strengthen, and form closed plate, use flexible rub resistance material to seal between frame,
Back timber is designed with joint-cutting boring and anchor cable boring preformed hole.
Separately also can have a device for layering, device for layering can include multiple net volume and axle group, and these net volumes can
It is located at transition bracket 3, face end support 4 or first group of front end surpassing after-poppet 5 or rear end.Prop up in transition
Being laid along top rock mass bottom surface by protection network before frame 3, protection network is arranged in transition bracket 3, termination
Between support 4 and super after-poppet 5 end face and top rock mass bottom surface.
Coal-winning machine system 7 includes coal-winning machine 71 and scrapper conveyor 72, and scrapper conveyor 72 is positioned at coal mining passage 27
Bottom, coal-winning machine is slidably mounted on scrapper conveyor 72, also should configure the roller-way that produces coal in upper crossheading 21
73, in order to coordinate with scrapper conveyor 72, the coal of extraction is transported.
According to embodiments of the invention, with reference to shown in Fig. 2 to Fig. 5, in operation, with coal-winning machine system 7
Exploiting forward, coal mining passage 27 is pushed ahead, transition bracket 3, face end support 4, super after-poppet 5 with
Withdraw support 6 with coal mining passage 27 to reach frame；Utilize joint-cutting device along Liu Xiang district and mined out distressed zone
On the boundary line of 29, top rock mass is carried out longitudinal joint-cutting operation；Top rock mass collapses and forms mined out distressed zone
29.Mined out distressed zone 29 may utilize the broken swollen property of rock, finally achieves stable of this areal geology structure
Support.
In recovery process, utilize and constantly top board is carried out joint-cutting operation, make mined out distressed zone 29 constantly collapse
Fall into and form the stable mined out distressed zone 29 supported, utilize super after-poppet 5 and the anchor pole preset or anchor cable simultaneously,
On the position in subsequent work face 20, carry out staying lane, form lower crossheading 22.This embodiment
Liu Xiang district, due to outside by joint-cutting to top plate pressure relief, top, Liu Xiang district top board essence is constitutionally stable
Cantilever beam structure.It addition, have coal mining passage 27 in production face 23.In the present embodiment, upper crossheading 21,
Coal mining passage 27, lower crossheading 22 and raw hide band passage 28 of going down the hill is sequentially communicated, namely ventilating system
Passage connects all the time.
Quick-return stent embodiment
Fig. 6 is that in the embodiment of the present invention, Quick-return chassis plane arranges schematic diagram；Fig. 7 is the present invention
In embodiment, Quick-return support moves frame and withdraws schematic diagram；Fig. 8 is Quick-return in the embodiment of the present invention
Support perspective view；Fig. 9 is Quick-return support plan structure signal in the embodiment of the present invention
Figure；Figure 10 is Quick-return bracket side TV structure schematic diagram in the embodiment of the present invention.
As it can be seen, the embodiment of the present invention provides a kind of reserves the quick of lane exploitation engineering method without tunnel for one's own use without coal column
Withdraw support, Quick-return support 6 use without tunnel without in coal pillar mining operation engineering method, multiple quickly
Withdraw support 6 to be close to and be supported in coal mining passage 27, splice with side between each Quick-return support 6,
The Quick-return support 6 of inner side is seamless spliced with transition bracket 3 dust-free area side plate, to prevent mined out unloading
The dust of nip 29 enters in mining operations district and vent passages.
According to an embodiment, as it can be seen, Quick-return support 6 mainly include base 61, back timber 62,
Pillar 63 and backboard 64.Base 61 is supported in bottom rock beam in downside, and base 61 can be by steel
Beam and the platy structure of Plate Welding, increase bottom support area, reduce stress and concentrate.Back timber 62
In top braces top rock mass, back timber 32 can be by the platy structure of girder steel with Plate Welding.?
Post 63 is telescopically supported between base 61 and back timber 62, in order to be supported at ordinary times base 61 with
Between back timber 62, preventing operation area from collapsing, when needing to move frame, pillar 63 can be retracted, in order to moves frame
Operation.Backboard 64 includes two hinged swash plates, and top can be the caving shield knot hinged with back timber 62
Structure, bottom then needs to be also configured as the platy structure hinged with base 61, inside two swash plates to seal
Can also have tilt prop or multiple hound inside another, it is also possible to there is angle locking and support merit
Can, because this type of hinged lower limb structure has various selectable technical scheme in this area, the most superfluous at this
State.
In above-described embodiment, between adjacent two Quick-return supports 6, still leave a gap unavoidably, optional
Select and be mounted on flexible sealing band 65 at back timber 62 and 64 two lateral surface of backboard, with this, at two
After Quick-return support 6 docking, the flexible sealing band 65 of docking can effectively block gap therebetween.
Thus reach the effect of dust-proof and anti-bite frame.
According to an embodiment, flexible sealing band 65 is optional is set to zigzag structure, can use rubber
Make Deng flexible wear-resistant material.And, can arrange and arrange two-layer or two-layer above flexible sealing band 65 simultaneously,
Sawtooth interlaced arrangement between each layer.So, preferable dust seal effect can be reached.
According to an embodiment, back timber 62 rear portion also can offer multiple joint-cutting boring 621 and multiple anchor cable
Boring 622, joint-cutting boring 621 relative anchor cable boring 622 is closer to the rear end of Quick-return support 6.
Can be to the intensive boring of top board construction by joint-cutting boring 621.Can be to top board construction by retouching cable drilling hole 622
Anchor hole, in order to install constant-resistance anchor cable or anchor pole.And joint-cutting boring 621 and retouch that cable drilling hole 622 is outer also may be used
To select to be provided with dust cover 623, dust cover 623 selectivity covers retouches rope in joint-cutting boring 621
Outside boring 622, to prevent from holing from top joint-cutting entering dust at 621.Here dust cover 623 is
Can be accommodated in back timber 62 by pull.With the drilling rod 661 of anchor cable rig 66 by retouching cable drilling hole 622 to top
Plate construction constant-resistance retouches rope or anchor pole, can be used for forming the equipment Quick-return passage stopped after adopting.Pass through joint-cutting
Boring 621 can be to the intensive boring of top board construction, to form overhead caving, by the top board inside return channel
Pressure first sheds, it is to avoid return channel in use collapses.
As shown in Figures 6 to 9, the Quick-return support 6 that the embodiment of the present invention provides be a kind of dust-proof,
The working surface hydraulic support of Quick-return, to solve to leak cash between support, cause work surface dust big, driving
Remove frame passage elapsed time length, easily cause casualties and the problem such as labor intensity is big.Quick-return support
The job step of 6 is as follows:
1) Quick-return support 6 back timber and caving shield protective plate larger, edge uses flexible wear material
Material, zigzag structure, undaform contacts, it is therefore prevented that stings frame, and defines enclosed construction (support cloth
Put figure as shown in Figure 6), effectively prevent try to stop people from fighting each other period spoil and dust pouring in work surface, reduce
The dust of work surface, effectively protects the personal safety of staff；
2) when working face extraction is to when stopping adopting line certain distance, stop reach Quick-return support 6, pass through
The top net transport pulley of device for layering 68 transports net to top board, when top net spreads out length more than coal seam height at top board
When spending about 0.5m, stop fortune net；Open protective cover plate 623, by anchor cable boring 622 to top board construction
Anchor cable is holed, and after anchor cable drilling construction, installs constant-resistance anchor cable 601, then, is holed by joint-cutting
621 to the intensive boring of top board construction, after intensive drilling construction, closes protective cover plate 623；Work surface
Continuing to push ahead, the top board in exploiting field, rear can be caving along intensive boring, and top metal net 602 is at spoil
Pressure under become vertical direction from horizontal direction, and owing to wire netting length is slightly larger than head-room, gold
Belong to net 602 and serve gear cash effect (as shown in Figure 7)；Often advance the distance of an anchor cable array pitch, then
Using row's constant-resistance anchor cable 601, until back production is to stopping adopting line, force piece retreats, and front channel is made
Use for return channel；Return channel top top board can form cantilever beam structure, and by organizing constant-resistance anchor cable more
Carry out supporting to fix, there is extraordinary stability.
In above-described embodiment, constant resistance and large deformation anchor cable selected by constant-resistance anchor cable 601, even if pressing under top board, this
Plant constant resistance and large deformation anchor cable to remain to persistently provide constant-resistance solid power, it is ensured that will not undergoing mutation property collapse.Above-mentioned
Quick-return support 6 is a kind of to be applicable to that work surface is dust-proof, the hydraulic support of protecting against shock, it is achieved that reduce
Work surface dust, quickly forms return channel purpose, effectively protects the safety of working face equipment and personnel,
Achieve the Quick-return of work surface.
In described above, give a large amount of concrete details to provide to the present invention the most thoroughly
Understand.It will be apparent, however, to one skilled in the art that the present invention can be without one
Or multiple these details and be carried out.In other example, in order to avoid obscuring with the present invention,
Technical characteristics more well known in the art are not described.
When the element of the present invention or the preferred embodiment of the present invention is described, word " ", " one ", " being somebody's turn to do " with
And " described " is intended to refer to there is one or more element.Term " includes ", " comprising " and " having "
Etc. be intended to opening and refer to also can exist other element in addition to listed element.
Claims (8)
1. reserve a Quick-return support for lane exploitation engineering method, described Quick-return support for one's own use without coal column without tunnel
Use and reserving for one's own use in lane exploitation engineering method without coal column without tunnel；Coal mining activity is carried out in a coal mining passage, described
Coal mining passage posterior region is mined out distressed zone, is supported on described coal mining with multiple described Quick-return supports and leads to
Road, splices with side between each described Quick-return support, stays between adjacent two described Quick-return supports
There is a gap；It is characterized in that,
Described Quick-return support includes base, back timber, pillar and backboard；Described base is in downside；Institute
State back timber to be telescopically supported between described base and back timber at top braces top rock mass, described pillar；
Described backboard includes two hinged swash plates；
Described back timber and backboard are mounted on flexible sealing band, two adjacent described Quick-returns in side
After support splices with side, the described flexible sealing band of docking blocks two adjacent described Quick-return supports
Between gap；Described back timber rear portion offers the boring of multiple anchor cable, is holed to top board construction anchor by anchor cable
Cable drilling hole.
2. reserve the Quick-return support of lane exploitation engineering method as claimed in claim 1 for one's own use without coal column without tunnel, its
Being characterised by, described flexible sealing band is zigzag structure, and described flexible sealing band is flexible wear-resistant material.
3. reserve the Quick-return support of lane exploitation engineering method as claimed in claim 1 for one's own use without coal column without tunnel, its
Being characterised by, described back timber rear portion offers the boring of multiple joint-cutting, and the described joint-cutting the most described anchor cable of boring bores
, closer to the rear end of described Quick-return support, can be holed to the intensive brill of top board construction by described joint-cutting in hole
Hole.
4. reserve the Quick-return support of lane exploitation engineering method as claimed in claim 3 for one's own use without coal column without tunnel, its
Being characterised by, the boring of described joint-cutting and anchor cable boring are outside equipped with dust cover, described dust cover selectivity
Cover outside the boring of described joint-cutting and anchor cable are holed.
5. quick the returning reserving exploitation engineering method in lane without tunnel without coal column for one's own use as described in any one of Claims 1-4
Removing supporters, it is characterised in that described Quick-return support front portion connects traction fluid cylinder pressure, described traction fluid
Cylinder pressure connects anterior fixing equipment, props up with Quick-return described in described traction fluid cylinder pressure tethered sliding forward
Frame.
6. quick the returning reserving exploitation engineering method in lane without tunnel without coal column for one's own use as described in any one of Claims 1-4
Removing supporters, it is characterised in that when exploitation to distance stops adopting line certain distance, by being arranged at described quick time
The device for layering at removing supporters top carries out lapping, until top net spreads out length more than coal seam height at top board；Logical
Cross anchor cable boring to hole to top board construction anchor cable, and constant-resistance anchor cable is installed, and holed to top by described joint-cutting
The plate intensive boring of construction；After work surface continues to push ahead certain distance, rear top board is caving along intensive boring,
Wire netting is become vertical direction from horizontal direction under the pressure of spoil and protects.
7. quick the returning reserving exploitation engineering method in lane without tunnel without coal column for one's own use as described in any one of Claims 1-4
Removing supporters, it is characterised in that described Quick-return support before stopping adopting, often advance an anchor cable array pitch away from
From, will pass through the boring of described anchor cable and one row's constant-resistance anchor cable is installed, until back production adopts line to stopping, utilize plurality of rows of
The return channel of a support and equipment propped up by described constant-resistance anchor cable.
8. reserve a change system for lane exploitation engineering method for one's own use without coal column without tunnel, including such as claim 1 to 7
The Quick-return support reserving exploitation engineering method in lane without tunnel without coal column for one's own use described in any one.
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| CN201510642211 | 2015-09-30 | ||
| CN201510642211X | 2015-09-30 |
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| CN201610429847.0A Active CN106437804B (en) | 2015-09-30 | 2016-06-16 | Overhaul support and equipment system of roadway-free and coal-pillar-free self-retained roadway mining method |
| CN201610425964.XA Active CN105909295B (en) | 2015-09-30 | 2016-06-16 | Rapid withdrawing support and equipment system for roadway-free coal-pillar-free self-retaining roadway mining method |
| CN201610425976.2A Active CN105971648B (en) | 2015-09-30 | 2016-06-16 | End support and equipment system of roadway-free and coal-pillar-free self-retained roadway mining method |
| CN201610430334.1A Active CN106168138B (en) | 2015-09-30 | 2016-06-16 | Transition support and equipment system of roadway-free and coal-pillar-free self-retained roadway mining method |
| CN201610429175.3A Active CN106593501B (en) | 2015-09-30 | 2016-06-16 | Dustproof anti-impact support and equipment system for roadway-free coal-pillar-free self-retaining roadway mining method |
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| CN201610430334.1A Active CN106168138B (en) | 2015-09-30 | 2016-06-16 | Transition support and equipment system of roadway-free and coal-pillar-free self-retained roadway mining method |
| CN201610429175.3A Active CN106593501B (en) | 2015-09-30 | 2016-06-16 | Dustproof anti-impact support and equipment system for roadway-free coal-pillar-free self-retaining roadway mining method |
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| CN106869933A (en) * | 2017-03-21 | 2017-06-20 | 太原理工大学 | A kind of block fills and stops adopting the method for coal pillar width with reference to reduction super high seam |
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| CN107725052A (en) * | 2017-10-31 | 2018-02-23 | 中国中煤能源集团有限公司 | One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support |
| CN107725052B (en) * | 2017-10-31 | 2019-03-22 | 中国中煤能源集团有限公司 | One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support |
| CN109838265A (en) * | 2019-03-18 | 2019-06-04 | 中国矿业大学 | The device of top plate pallet is protected when a kind of gob side entry retaining face end support migrates |
| CN109838265B (en) * | 2019-03-18 | 2024-04-02 | 中国矿业大学 | Device for protecting roof tray during migration of gob-side entry retaining end bracket |
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| CN110374654A (en) * | 2019-07-31 | 2019-10-25 | 神华神东煤炭集团有限责任公司 | A kind of hydraulic support device and the processing method with hydraulic support device processing coal mine roof fall |
| CN111535807A (en) * | 2020-05-11 | 2020-08-14 | 北京中矿创新联盟能源环境科学研究院 | Hook machine and coal mining system |
| CN111535807B (en) * | 2020-05-11 | 2021-01-15 | 北京中矿创新联盟能源环境科学研究院 | Coal mining system |
| CN111622756A (en) * | 2020-07-29 | 2020-09-04 | 北京中矿创新联盟能源环境科学研究院 | Digging device |
| CN112127947A (en) * | 2020-09-25 | 2020-12-25 | 中国矿业大学 | Coal mine fully mechanized mining working face end topping pressure relief equipment and topping pressure relief method |
| CN114294058A (en) * | 2021-12-30 | 2022-04-08 | 河南理工大学 | Waste rock pocket device for roof cutting and roadway retaining and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105971648B (en) | 2018-07-06 |
| CN106437804B (en) | 2018-04-17 |
| CN106168138A (en) | 2016-11-30 |
| CN105909295B (en) | 2017-12-19 |
| CN106593501B (en) | 2018-07-03 |
| CN105971648A (en) | 2016-09-28 |
| CN106168138B (en) | 2018-07-06 |
| CN106437804A (en) | 2017-02-22 |
| CN106593501A (en) | 2017-04-26 |
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Inventor after: Wu Qunying Inventor after: He Manchao Inventor after: Yang Xiaojie Inventor after: Zhang Xiaoyun Inventor after: Yang Jun Inventor before: He Manchao Inventor before: Yang Xiaojie Inventor before: Zhang Xiaoyun Inventor before: Yang Jun |