CN110374672A - A kind of goaf strength filling system and method - Google Patents
A kind of goaf strength filling system and method Download PDFInfo
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- CN110374672A CN110374672A CN201910484981.4A CN201910484981A CN110374672A CN 110374672 A CN110374672 A CN 110374672A CN 201910484981 A CN201910484981 A CN 201910484981A CN 110374672 A CN110374672 A CN 110374672A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 239000002699 waste material Substances 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 20
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 8
- 230000032258 transport Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
- E21F15/10—Hydraulic or pneumatic filling-up machines
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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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)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of goaf strength filling system disclosed by the invention and method are related to goaf backfill technical field of operation.The filling system includes strength filling body, the strength filling body includes strength filling pump, strength filling pipe and push hydraulic cylinder, for strength filling pump using pressure-air as power source, the spoil particle conveyed in material bin enters goaf via strength filling pipe;Strength filling pipe is in charge of head and the tail by more piece filling and is formed by connecting.A kind of goaf strength filling system disclosed by the invention and method, spoil to goaf is conveyed by strength filling body and carries out packing job, is had and is easily realized parallel operations, occupies lesser space, material transports the advantages that facilitating with various device configurations, meets drilling method goaf filling demand;The strength filling system can reduce labour, reduce labor intensity, and mechanization degree is high, greatly promote goaf filling operating efficiency, being more suitable for corner coal of coal mine, girdle and outdoor highwall coal etc. can not be into the goaf of people.
Description
Technical field
The present invention relates to goafs to backfill technical field of operation, and in particular to a kind of goaf strength filling system and side
Method can not be backfilled suitable for corner coal of coal mine, girdle and outdoor highwall coal etc. into the goaf of people.
Background technique
The coal seam that girdle refers to a thickness of 0.8-1.3m, China's girdle resource distribution is extensive, rich reserves.However,
The annual girdle yield in China is extremely low, and has downward trend year by year, this undoubtedly causes greatly to waste to coal resources, because
This, thin seam mining still needs to solve the problems, such as very much.
Currently, a kind of common thin seam mining method is drilling method.Drilling method carries out girdle using brill formula coalcutter
Exploitation, shows great advantage in thin seam mining.But thin seam mining is carried out using drilling method, it needs to adopt drilling
Dead zone carries out delay filling protection, and packing job how is carried out in narrow space, is that drilling method exploitation girdle is promoted
The another obstacle of application.
There are some problems in traditional placement method, as the low efficiency and continuity of overlying strata separation layer grouting be not strong, water sand is filled
Filling out that water consumption is bigger can polluted underground water body, lotion (Paste-like body) filling cost be excessively high, spoil self-slide filling easily occurs to fill not
Sufficiently, mechanization waste filling laborious safety difference etc. that occupies that underground space is more, spoil hand packing is taken a lot of work.And outdoor coal
Mine amount containing cash is higher, and seam mining height in corner is small, and filling operation face working space is limited, and general stowage unit, which is difficult to enter, to be adopted
Inside dead zone, cause packing job not comprehensive, there are security risks.
For this problem, the Chinese invention patent of Publication No. CN103133031A discloses a kind of mined out for underground
Area's pneumatic conveying stowage unit and method, by the way that spoil to be crushed in well upper ground surface by oppositely rolling roller crusher on well, so
Broken spoil is delivered to underground by rectilinear material dispenser afterwards, in underground by underground oppositely rolling roller crusher to cash
Stone fragment is crushed again, to reach the particle size for adapting to Pneumatic conveyer and needing, is finally filled again by pneumatic conveying
It sets and is delivered to underground goaf and is backfilled.
But in the patent, Pneumatic conveyer needs manpower to be laid with pipeline, extremely inconvenient, labor intensity of workers
Greatly, mechanization degree is low, and pack effectiveness is low, and is only limitted to be applied to downhole gangue filling, it is difficult to it is suitable for corner coal of coal mine,
Girdle and outdoor highwall coal etc. can not carry out packing job into the goaf of people.
Therefore, in view of problem above, it is necessary to a kind of safe and effective goaf filling equipment is proposed, to meet coal mine
Corner coal, girdle and outdoor highwall coal etc. can not backfill the demand of operation into the goaf of people.
Summary of the invention
In view of this, the system is using pressure-air as power the invention discloses a kind of goaf strength filling system
Source fills pump conveying spoil by strength and enters goaf, and spoil transfer efficiency is high, and Yi Shixian parallel operations occupy little space.
Strength filling pipe is in charge of head and the tail by more piece filling and is formed by connecting in the system simultaneously, and labour can be reduced in pipe-laying process
Power reduces labor intensity, and mechanization degree is high, can effectively promote goaf filling operating efficiency.
A kind of goaf strength filling system that purpose according to the present invention proposes, including waste bin, spoil crushing mechanism,
Waste conveyor structure and strength filling body, the strength filling body include that material bin, strength filling pump and strength are filled
Pipe is filled out, the strength filling pump conveys the spoil particle in material bin via strength filling pipe using pressure-air as power source
Into goaf;The strength filling pipe includes that more piece filling is in charge of, and adjacent two filling, which is in charge of, to join end to end, the strength filling
Pump discharge is provided with the connector to match with strength filling pipe, and strength filling pipe one end and strength filling pump are detachable solid
Fixed connection, the other end are placed in goaf.
The strength filling body further includes having successively to push into goaf or remove mined out for being in charge of multiple fillings
The push hydraulic cylinder in area, the push hydraulic cylinder are set to strength filling pump lower section, the output end setting of the push hydraulic cylinder
Have and is in charge of the connector to match with filling.
Preferably, the quick coupling at tube body both ends is in charge of including tube body and is divided into each filling, and adjacent two fill
It fills out between being in charge of and is fixed by quick coupling connection, clip.
Preferably, the strength filling pipe further includes a first section filling pipe, and the first section filling pipe is set to strength filling
Pipe gos deep into the end in goaf, and the first section filling pipe includes tube body, the quick coupling for being set to tube body one end and is set to
The push plate of the tube body other end is provided with the ventilation opening of delivery air discharge fill area in the push plate and is used to monitor and fills
Fill out the illumination camera hole in region.
Preferably, the push plate height is lower than goaf profile height 5-10cm, and the push plate width is disconnected less than goaf
Face width 5-10cm;The ventilation opening takes shape in the top edge of push plate, and the illumination camera hole is to be set to push plate left and right ends
Two groups of top, illumination camera hole includes infrared range-measurement system, monitoring camera and LED light described in every group.
Preferably, each filling is in charge of and the first tube body saved on filling pipe is double-deck pipe body, in the double-deck pipe body
It is provided with the reinforcing disk for reinforcing double-deck pipe body middle external tube and inner tube, the reinforcing disk is respectively arranged at filling and is in charge of bimetallic tube
The both ends of body and the first section one end of filling pipe double-deck pipe body far from push plate, each reinforcing disk lower section, which is provided with, to be used to support
The support wheel of strength filling pipe.
Preferably, the strength filling body further include be set to strength filling body side for hang send filling be in charge of and
Head section filling pipe crane, be set to strength filling body front be used to support and fix strength filling pipe mechanical holding claw and
It is set to below strength filling body for fixing four groups of supporting cylinders of strength filling body.
Preferably, the spoil crushing mechanism is crawler belt crusher, the waste conveyor structure include pan feeding belt feeder with
And screw conveyor;The pan feeding belt feeder connection waste bin and crawler belt crusher, feeding end are set to spoil bin discharge port external
Lower section, discharge end is set to the top of crawler belt crusher feeding mouth;The screw conveyor connection crawler belt crusher and pan feeding
Bucket, feeding end are set to below crawler belt discharge hole of crusher, and discharge end is set to above material bin;The crawler belt crusher goes out
It is additionally provided with material handling spiral below material mouth, the discharge end of the material handling spiral is set to screw conveyor feeding end
Top;Pan feeding vibrating screen is provided with below the waste bin.
The other a kind of disclosed method for carrying out the filling of goaf strength using above-mentioned strength filling system of the present invention, including
Following steps:
Step 1: crawler belt crusher is dragged outside strength filling body to goaf by car puller hook, two groups of front support liquid
Cylinder pressure and two groups of rear support hydraulic cylinders stretch out, and support ground to fix strength filling body.
Step 2: crane by head section filling pipe hang be sent into strength filling body in, head section filling pipe on quick coupling with push away
The quick coupling of liquor charging cylinder pressure output end is connected, and is fixed by clip, and push plate is directed at institute's bashing on head section filling pipe.
Step 3: to hydraulic oil supply cylinder is pushed, push hydraulic cylinder stretches out and first section filling pipe is pushed to enter goaf, to head
After section filling pipe enters goaf, hydraulic cylinder fuel cut-off is pushed.
Step 4: releasing clip is detached from the quick coupling pushed on hydraulic cylinder and first section filling pipe, while pushing hydraulic
Cylinder bounces back to original position.
Step 5: filling is in charge of by crane to be hung in strength filling body, fills the tail end being in charge of and push hydraulic cylinder is defeated
Outlet is connected by quick coupling, and filling, which is in charge of front end and a upper section and is filled, to be in charge of tail end and be connected by quick coupling, and front and back is equal
It is fixed by clip.
Step 6: to hydraulic oil supply cylinder is pushed, push hydraulic cylinder stretches out and filling is pushed to be in charge of into goaf, to be filled
It is in charge of after entering goaf, pushes hydraulic cylinder fuel cut-off, passes through infrared range-measurement system and the first section filling pipe of monitoring camera judgement
Position, repeat step 5, until push hydraulic cylinder is when bouncing back in situ, head section the distance between filling pipe and goaf bottom end
It is in charge of length for section filling.
Step 7: starting pan feeding vibrating screen, crawler belt crusher and waste conveyor structure, by spoil from waste bin pass through into
Material belt feeder is transported to the feeding inlet of crawler belt crusher, carries out spoil and is crushed, broken spoil is defeated via screw conveyor again
It send into the material bin of strength filling body.
Step 8: connection strength filling pump and strength filling pipe, the high pressure strength import to strength filling body are passed through height
Press air, open strength filling pump the spoil particle in material bin is in charge of by multiple groups filling be delivered to it is first save in filling pipe,
And finally it is fills up to goaf.
Step 9: continue strength packing job, while goaf filling is judged by infrared range-measurement system and monitoring camera
Situation when stayed goaf will be filled with, stops screw conveyor, spoil particle is stored temporarily in crawler belt crusher.
Step 10: it when head section filling pipe is sprayed without a large amount of spoil particles, closes the import of high pressure strength and suspends strength and fill
Pump is filled out, push hydraulic cylinder slowly forward extends out, to push multiple groups filling to be in charge of and first section filling pipe compacting fill area.
Step 11: after region compacting to be filled, push hydraulic cylinder bounces back to original position, releases and pushes what hydraulic cylinder was connect
The clip at both ends is in charge of in filling, is detached from the quick coupling at its both ends, is hung after the filling is in charge of using crane, push hydraulic cylinder
It stretches out and is in charge of and is connected with the filling of next section, and after being fixed with clip, the remaining filling of push hydraulic cylinder dragging is in charge of and first save is filled
It fills out pipe and exits goaf.
Step 12: after pushing hydraulic cylinder and bouncing back to original position, repeating step 11, until all fillings are in charge of and first section
Filling pipe exits goaf, completes packing job.
Step 13: the two groups of rear support hydraulic cylinders and two groups of front support hydraulic cylinders of strength filling body are retracted, and solve degasification
Power filling body stationary state repeats step 1, until completing the filling operation in all highwall coals goaf.
Compared with prior art, a kind of goaf strength filling system disclosed by the invention and the advantages of method, are:
After opencast a large amount of spoils are crushed by the present invention, goaf is fills up to using the conveying of strength filling system, is had
Have and easily realize parallel operations, occupies lesser space, material transports the advantages that facilitating with various device configurations.
The present invention, which can fill more piece, is in charge of quick connection, can reduce labour, reduce labor intensity, mechanization degree
Height can effectively promote goaf filling operating efficiency.
The present invention is suitable for corner coal of coal mine, girdle and outdoor highwall coal etc. can not be into the goaf of people.
The present invention can effectively take into account exploitation economic benefit and environmental benefit, enhance drilling method stoping safety, and prevention is adopted
The safety accidents such as collapse for dead zone, improves the rate of recovery of coal resources, reduces filling cost, is that one kind takes into account strip coal mining economy effect
The lasting exploit filling technique method of benefit and safety has stronger innovative and wide applicability.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description does simple introduction, it is clear that, the accompanying drawings in the following description is only this hair
Bright some embodiments, it will be clear to the skilled person that without creative efforts, may be used also
Other accompanying drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure chart of goaf strength filling system disclosed by the invention.
Fig. 2 is spoil crushing mechanism and strength filling body main view.
Fig. 3 is spoil crushing mechanism and strength filling body top view.
Fig. 4 is that structure chart is in charge of in filling.
Filling pipe main view is saved headed by Fig. 5.
Filling pipe left view is saved headed by Fig. 6.
Filling pipe top view is saved headed by Fig. 7.
Parts title representated by number or letter in figure are as follows:
1- waste bin;2- pan feeding vibrating screen;3- pan feeding belt feeder;4- crawler belt crusher;5- strength filling body;6- spiral
Conveyer;51- rear support hydraulic cylinder;52- strength filling pump;53- pushes hydraulic cylinder;54- strength filling pipe;55- material bin;
56- crane;57- machinery holding claw;58- front support hydraulic cylinder;59- head section filling pipe;541- clip;542- reinforces disk;543- branch
Support wheel;544- bimetallic tube;545- quick coupling;591- push plate;592- illuminates camera hole;593- ventilation opening.
Specific embodiment
A specific embodiment of the invention is described briefly with reference to the accompanying drawing.Obviously, described embodiment is only
It is a part of the embodiments of the present invention, rather than whole embodiments, based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the scope of protection of the invention.
Fig. 1-Fig. 7 shows preferred embodiments of the present invention, has carried out from different angles to its structure respectively detailed
It dissects.
A kind of goaf strength filling system as shown in Figs. 1-3, including the conveying of waste bin 1, spoil crushing mechanism, spoil
Mechanism and strength filling body 5.
Pan feeding vibrating screen 2 is provided with below waste bin 1.Spoil crushing mechanism be crawler belt crusher 4, specific structure,
Principle is the prior art, and this will not be repeated here.
Waste conveyor structure includes pan feeding belt feeder 3 and screw conveyor 6.Pan feeding belt feeder 3 is connected to waste bin 1 and carries out
Band crusher 4, feeding end are set to the lower section of 1 lower section pan feeding vibrating screen of waste bin, 2 discharge port, and it is broken that discharge end is set to crawler belt
The top of broken 4 feeding inlet of machine.Screw conveyor 6 is connected to crawler belt crusher 4 and material bin 55, and it is broken that feeding end is set to crawler belt
Below 4 discharge port of machine, discharge end is set to 55 top of material bin.Meanwhile material is additionally provided with below 4 discharge port of crawler belt crusher
Conveyor screw, the discharge end of the material handling spiral are set to the top of 6 feeding end of screw conveyor, via crawler belt crusher 4
Broken spoil is delivered to screw conveyor 6 by material handling spiral.And it is conveyed for convenience of equipment, screw conveyor 6 and crawler belt
Crusher 4 is detachably connected, and is placed on the vehicle frame platform of crawler belt crusher 4.Crawler belt crusher 4 has car puller hook, can drag gas
Power filling body 5 moves.
Strength filling body 5 includes material bin 55, strength filling pump 52 and strength filling pipe 54.Strength filling pump 52 with
For pressure-air as power source, the spoil particle conveyed in material bin 55 enters goaf via strength filling pipe 54.
Strength filling pipe 54 includes that more piece filling is in charge of, and adjacent two filling, which is in charge of, to join end to end, and is completely filled to be laid with
Fill out pipeline.Meanwhile strength filling body 5 further includes having successively to push into goaf or remove mined out for being in charge of multiple fillings
The push hydraulic cylinder 53 in area, filling, which is in charge of, sequentially enters or exits goaf under the action of pushing hydraulic cylinder 53, avoids artificial
It is laid with pipeline into goaf, reduces personnel's participation, and mechanization degree is higher.Specifically, strength filling pump 52 is set to
53 top of hydraulic cylinder is pushed, strength filling pump 52 can be pushed to move together.
The output end of push hydraulic cylinder 53, which is provided with, is in charge of the connector to match with filling;52 outlet of strength filling pump is set
It is equipped with the connector to match with strength filling pipe 54,52 companies of being detachably fixed of 54 one end of strength filling pipe and strength filling pump
It connects, the other end is placed in goaf.Specifically, push hydraulic cylinder 53 and strength filling 52 upper connectors of pump, are fast quick access
First 545, push hydraulic cylinder 53 is in charge of with filling to be connect by quick coupling 545, and clip 541 is fixed;Strength filling pump 52 and gas
Power filling pipe 54 is equally connected by quick coupling 545, and clip 541 is fixed.
Further, strength filling body 5 further include be set to 5 side of strength filling body for hang send filling be in charge of and
The crane 56 of head section filling pipe 59 is set to the machinery that 5 front of strength filling body was used to support and fixed strength filling pipe 54
It holding claw 57 and is set to below strength filling body 5 for fixing four groups of supporting cylinders of strength filling body 5.Four groups of branch
Support hydraulic cylinder includes that two groups of rear support hydraulic cylinders 51 for being located at 5 rear of strength filling body and two groups are located at strength filling body
The front support hydraulic cylinder 58 in 5 fronts.Strength filling body 5 is moved to outside goaf under the dragging of crawler belt crusher 4, each
The specific location of component part and connection relationship are herein with no restrictions.
As shown in figure 4, the quick coupling 545 at tube body both ends is in charge of including tube body and is divided into each fill, adjacent two
Filling is fixed between being in charge of by the connection of quick coupling 545, clip 541.
As illustrated in figs. 5-7, strength filling pipe 54 further includes a first section filling pipe 59, and head section filling pipe 59 is set to strength
Filling pipe 54 gos deep into the end in goaf, head section filling pipe 59 include tube body, the quick coupling 545 for being set to tube body one end and
Be set to the push plate 591 of the tube body other end, be provided in push plate 591 by delivery air discharge fill area ventilation opening 593 with
And the illumination camera hole 592 for monitoring fill area.Specifically, 591 height of push plate is lower than goaf profile height 5-
10cm, width are less than goaf section width 5-10cm.Ventilation opening 593 takes shape in the top edge of push plate 591, illuminates camera hole
592 be two groups be set to above 591 left and right ends of push plate, and every group of illumination camera hole 592 includes infrared range-measurement system, monitoring camera
Head and LED light.
Further, each filling is in charge of and the first tube body saved on filling pipe 59 is double-deck pipe body 544, double-deck pipe body
544 inner tube is used for pneumatic conveying spoil particle, and outer tube is for dragging and connecting.Specifically, being arranged in double-deck pipe body 544 useful
In the reinforcing disk 542 for reinforcing 544 middle external tube of double-deck pipe body and inner tube, reinforcing disk 542 is respectively arranged at filling and is in charge of double-deck pipe body
544 both ends and head save 59 one end of double-deck pipe body 544 far from push plate 591 of filling pipe, are provided with below each reinforcing disk 542
It is used to support the support wheel 543 of strength filling pipe 54.
The other a kind of disclosed method for carrying out the filling of goaf strength using above-mentioned strength filling system of the present invention, including
Following steps:
Step 1: crawler belt crusher 4 is dragged outside strength filling body 5 to goaf by car puller hook, two groups of front supports
Hydraulic cylinder 58 and two groups of rear support hydraulic cylinders 51 stretch out, and support ground to fix strength filling body 5.
Step 2: head section filling pipe 59 is hung and is sent into strength filling body 5 by crane 56, fast quick access on head section filling pipe 59
First 545 are connected with the quick coupling 545 of push 53 output end of hydraulic cylinder, and fixed by clip 541, and head section filling pipe 59 above pushes away
Plate 59 is directed at institute's bashing.
Step 3: to push 53 fuel feeding of hydraulic cylinder, push hydraulic cylinder 53 stretches out and to push first section filling pipe 59 to enter mined out
Area pushes 53 fuel cut-off of hydraulic cylinder after head section filling pipe 59 enters goaf.
Step 4: releasing clip 541 is detached from the quick coupling 545 pushed on hydraulic cylinder 53 and first section filling pipe 59, together
When push hydraulic cylinder 53 bounce back to original position.
Step 5: filling is in charge of by crane 56 to be hung in strength filling body 5, fills the tail end being in charge of and push hydraulic cylinder
53 output ends by quick coupling 545 be connected, filling be in charge of front end and a upper section filling be in charge of tail end pass through 545 phase of quick coupling
Even, front and back is fixed by clip 541.
Step 6: to push 53 fuel feeding of hydraulic cylinder, push hydraulic cylinder 53 stretches out and filling is pushed to be in charge of into goaf, to
Filling is in charge of into after goaf, and 53 fuel cut-off of hydraulic cylinder is pushed, and passes through infrared range-measurement system and the first section of monitoring camera judgement
The position of filling pipe 59 repeats step 5, until when push hydraulic cylinder 53 bounces back in situ, head section filling pipe 59 and goaf bottom
It is in charge of length for section filling in the distance between end.
Step 7: starting pan feeding vibrating screen 2, crawler belt crusher 4 and waste conveyor structure lead to spoil from waste bin 1
The feeding inlet that pan feeding belt feeder 3 is transported to crawler belt crusher 4 is crossed, spoil is carried out and is crushed, broken spoil is again via spiral transferring
Machine 6 is sent to be delivered in the material bin of strength filling body 5.
Step 8: connection strength filling pump 52 and strength filling pipe 54 are logical to the high pressure strength import of strength filling body 5
Enter pressure-air, the spoil particle in material bin 55 is in charge of to be delivered to head and save by unlatching strength filling pump 52 by multiple groups filling to be filled
It fills out in pipe 59, and is finally fills up to goaf.
Step 9: continue strength packing job, while goaf filling is judged by infrared range-measurement system and monitoring camera
Situation when stayed goaf will be filled with, stops screw conveyor 6, spoil particle is stored temporarily in crawler belt crusher.
Step 10: it when head section filling pipe 59 is sprayed without a large amount of spoil particles, closes the import of high pressure strength and suspends strength
Filling pump 52, push hydraulic cylinder 53 slowly forward extend out, and are compacted filling area with first section filling pipe 59 to push multiple groups filling to be in charge of
Domain.
Step 11: after region compacting to be filled, push hydraulic cylinder 53 bounces back to original position, releases and connects with push hydraulic cylinder 53
The clip 541 at both ends is in charge of in the filling connect, is detached from the quick coupling 545 at its both ends, hangs the filling using crane 56 and be in charge of
Afterwards, push hydraulic cylinder 53, which is stretched out, is in charge of and is connected with the filling of next section, and with clip 541 it is fixed after, push hydraulic cylinder 53, which drags, to be remained
Remaining filling is in charge of and first section filling pipe 59 exits goaf.
Step 12: after pushing hydraulic cylinder 53 and bouncing back to original position, repeating step 11, until all fillings are in charge of and head
Section filling pipe 59 exits goaf, completes packing job.
Step 13: the two groups of rear support hydraulic cylinders 51 and two groups of front support hydraulic cylinders 58 of strength filling body 5 are retracted, solution
Except 5 stationary state of strength filling body, step 1 is repeated, until completing the stower in all highwall coals goaf.
In conclusion a kind of goaf strength filling system disclosed by the invention and method, defeated by strength filling body
It send spoil to goaf to carry out packing job, has and easily realize parallel operations, occupy lesser space, material is transported to be set with various
The advantages that standby configuration facilitates, meets drilling method goaf filling demand.And in the strength filling system, strength filling pipe is by more piece
Filling is in charge of head and the tail and is formed by connecting, and facilitates the laying of pipeline, reduces labour, reduces labor intensity, greatly promote goaf and fill
Operating efficiency is filled out, there is stronger innovative and wide applicability.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized and use the present invention.
Various modifications to these embodiments mode will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit and scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (8)
1. a kind of goaf strength filling system, including waste bin (1), spoil crushing mechanism, waste conveyor structure and strength
Filling body (5), which is characterized in that the strength filling body (5) includes material bin (55), strength filling pump (52) and gas
Power filling pipe (54), spoil of the strength filling pump (52) using pressure-air as power source, in conveying material bin (55)
Grain enters goaf via strength filling pipe (54);The strength filling pipe (54) includes that more piece filling is in charge of, adjacent two filling
It is in charge of and joins end to end, strength filling pump (52) outlet is provided with the connector to match with strength filling pipe (54), described
Strength filling pipe (54) one end is detachably fixed with strength filling pump (52) and connect, and the other end is placed in goaf;
The strength filling body (5) further includes having successively to push for being in charge of multiple fillings into goaf or removal goaf
Push hydraulic cylinder (53), it is described push hydraulic cylinder (53) output end be provided with filling is in charge of the connector to match.
2. a kind of goaf strength filling system according to claim 1, which is characterized in that packet is in charge of in each filling
Include tube body and be divided into the quick coupling (545) at tube body both ends, it is adjacent two filling be in charge of between by quick coupling (545) even
It connects, clip (541) is fixed.
3. a kind of goaf strength filling system according to claim 1, which is characterized in that the strength filling pipe (54)
It further include first section filling pipe (59), first section filling pipe (59) is set to the end that strength filling pipe (54) gos deep into goaf
Portion, first section filling pipe (54) includes tube body, the quick coupling (545) for being set to tube body one end and to be set to tube body another
The push plate (591) at end, be provided on the push plate (591) for by the ventilation opening (593) of delivery air discharge fill area with
And the illumination camera hole (592) for monitoring fill area.
4. a kind of goaf strength filling system according to claim 3, which is characterized in that push plate (591) height
Lower than goaf profile height 5-10cm, push plate (591) width is less than goaf section width 5-10cm;The ventilation opening
(593) top edge of push plate (591) is taken shape in, the illumination camera hole (592) is to be set to above push plate (591) left and right ends
Two groups, described in every group illumination camera hole (592) include infrared range-measurement system, monitoring camera and LED light.
5. a kind of goaf strength filling system according to claim 2 or 3, which is characterized in that it is each filling be in charge of with
And the tube body on first section filling pipe (59) is double-deck pipe body (544), is provided on the double-deck pipe body (544) double for reinforcing
The reinforcing disk (542) of layer tube body (544) middle external tube and inner tube, the reinforcing disk (542) are respectively arranged at filling and are in charge of bimetallic tube
The both ends of body (544) and the first one end of section filling pipe (59) double-deck pipe body (544) far from push plate (591), each reinforcing
The support wheel (543) for being used to support strength filling pipe (54) is provided with below disk (542).
6. a kind of goaf strength filling system according to claim 1, which is characterized in that the strength filling body is also
Filling is sent to be in charge of and the crane (56) of first section filling pipe (59), setting for hanging including being set to strength filling body (5) side
The mechanical holding claw (57) of strength filling pipe (54) is used to support and fixed in strength filling body (5) front and be set to strength
For fixing four groups of supporting cylinders of strength filling body (5) below filling body (5).
7. a kind of goaf strength filling system according to claim 1, which is characterized in that the spoil crushing mechanism is
Crawler belt crusher (4), the waste conveyor structure include pan feeding belt feeder (3) and screw conveyor (6);The pan feeding belt
Machine (3) connection waste bin (1) and crawler belt crusher (4), feeding end are set to the lower section of waste bin (1) discharge port, discharge end
It is set to the top of crawler belt crusher (4) feeding inlet;Screw conveyor (6) connection crawler belt crusher (4) and material bin
(55), feeding end is set to below crawler belt crusher (4) discharge port, and discharge end is set to above material bin (55);The shoe
It is additionally provided with material handling spiral below band crusher (4) discharge port, the discharge end of the material handling spiral is set to spiral
The top of conveyer (6) feeding end;Pan feeding vibrating screen is provided with below the waste bin (1).
8. a kind of goaf strength placement method, uses strength filling system described in claim 1, which is characterized in that including with
Lower step:
Step 1: crawler belt crusher (4) is dragged outside strength filling body (5) to goaf by car puller hook, two groups of front supports
Hydraulic cylinder (58) and two groups of rear support hydraulic cylinders (51) are stretched out, and support ground to fix strength filling body;
Step 2: head section filling pipe (59) is hung and is sent into strength filling body (5) by crane (56), fast on head section filling pipe (59)
Quick coupling (545) is connected with the quick coupling (545) of push hydraulic cylinder (53) output end, and fixed by clip (541), head section
Push plate (591) is directed at institute's bashing on filling pipe (59);
Step 3: to push hydraulic cylinder (53) fuel feeding, push hydraulic cylinder (53), which stretches out and first section filling pipe (59) is pushed to enter, is adopted
Dead zone pushes hydraulic cylinder (53) fuel cut-off after head section filling pipe (59) enters goaf;
Step 4: it is de- to release the quick coupling (545) that clip (541) make to push on hydraulic cylinder (53) He Shoujie filling pipe (59)
From, while pushing hydraulic cylinder (53) and bouncing back to original position;
Step 5: filling is in charge of by crane (56) to be hung in strength filling body (5), and the tail end being in charge of and push hydraulic cylinder are filled
(53) output end is connected by quick coupling (545), and front end is in charge of in filling and the filling of a upper section is in charge of tail end and passes through quick coupling
(545) it is connected, front and back passes through clip (541) to fix;
Step 6: to push hydraulic cylinder (53) fuel feeding, push hydraulic cylinder (53) stretches out and filling is pushed to be in charge of into goaf, to
Filling is in charge of into after goaf, and hydraulic cylinder (53) fuel cut-off is pushed, and is judged by infrared range-measurement system and monitoring camera first
Save the position of filling pipe (59), repeat step 5, until push hydraulic cylinder (53) is when bouncing back in situ, head section filling pipe (59) with
The distance between goaf bottom end is that length is in charge of in section filling;
Step 7: starting pan feeding vibrating screen (2), crawler belt crusher (4) and waste conveyor structure, by spoil from waste bin (1)
Be transported to the feeding inlet of crawler belt crusher (4) by pan feeding belt feeder (3), it is broken to carry out spoil, broken spoil again via
Screw conveyor (6) is delivered in the material bin (55) of strength filling body (5);
Step 8: connection strength filling pump (52) and strength filling pipe (54), the high pressure strength import to strength filling body (5)
It is passed through pressure-air, the spoil particle in material bin (55) is in charge of by unlatching strength filling pump (52) by multiple groups filling to be delivered to
In head section filling pipe (59), and finally it is fills up to goaf;
Step 9: continuing strength packing job, while judging goaf filling situation by infrared range-measurement system and monitoring camera,
When stayed goaf will be filled with, stop screw conveyor (6), spoil particle is stored temporarily in crawler belt crusher (4);
Step 10: it when head section filling pipe (59) is sprayed without a large amount of spoil particles, closes the import of high pressure strength and suspends strength and fill
It fills out pump (52), push hydraulic cylinder (53) slowly forward extends out, and is filled with pushing multiple groups filling to be in charge of with first section filling pipe (59) compacting
Fill out region;
Step 11: after region compacting to be filled, push hydraulic cylinder (53) bounces back to original position, releases with push hydraulic cylinder (53) even
The clip (541) at both ends is in charge of in the filling connect, is detached from the quick coupling (545) at its both ends, hangs this using crane (56) and fill
It fills out after being in charge of, push hydraulic cylinder (53), which is stretched out, to be in charge of and is connected with the filling of next section, and after being fixed with clip (541), push is hydraulic
The remaining filling of cylinder (53) dragging is in charge of (54) He Shoujie filling pipe (59) and exits goaf;
Step 12: after pushing hydraulic cylinder (53) and bouncing back to original position, repeating step 11, until all fillings are in charge of and first section
Filling pipe (59) exits goaf, completes packing job;
Step 13: the two groups of rear support hydraulic cylinders (51) and two groups of front support hydraulic cylinders (58) of strength filling body (5) are retracted,
Strength filling body (5) stationary state is released, step 1 is repeated, until completing the filling operation in all highwall coals goaf.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111520185A (en) * | 2020-04-27 | 2020-08-11 | 中国矿业大学 | End slope mining goaf filling machine and filling method thereof |
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