CN209780954U - Coal face end triangular space filling device - Google Patents

Coal face end triangular space filling device Download PDF

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Publication number
CN209780954U
CN209780954U CN201920278613.XU CN201920278613U CN209780954U CN 209780954 U CN209780954 U CN 209780954U CN 201920278613 U CN201920278613 U CN 201920278613U CN 209780954 U CN209780954 U CN 209780954U
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China
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gangue
waste rock
spiral
face end
hydraulic support
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CN201920278613.XU
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Chinese (zh)
Inventor
宫守才
郑忠友
朱磊
昝东峰
刘治成
吴玉意
古文哲
宋立平
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China Coal Energy Research Institute Co Ltd
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China Coal Energy Research Institute Co Ltd
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Abstract

The utility model discloses a coal face end triangular space fills device, the device include from moving formula waste rock transfer car, spiral power device, waste rock auger pipe, single track hoist and mount and put, face end hydraulic support and rear portion pass the baffle. During filling, solid wastes such as coal gangue or coal ash are transported to a gangue scraper conveying mechanism of a self-moving gangue transfer car through auxiliary transportation equipment and transferred to a feed inlet of a gangue spiral conveying pipe, the gangue spiral conveying pipe is hung on a top plate of a stoping roadway and a hydraulic support at the end of a working face through a monorail crane, the solid wastes such as the gangue or the coal ash are conveyed to the stoping roadway behind the hydraulic support at the end of the working face under the action of a spiral power device, and the solid wastes are stacked and tamped under the action of a rear pushing baffle plate to form a gangue filling body. The utility model overcomes the defects of the existing filling equipment or technology exist, so that the waste filling work is safer, more efficient and more economical.

Description

Coal face end triangular space filling device
Technical Field
The utility model belongs to the coal mine filling mining technique and equipment field, concretely relates to coal face end trigone fills device.
Background
The underground coal mine can generate tunneling waste rocks due to roadway engineering during construction and production, the sources of the tunneling waste rocks are different, the yield is not fixed, the tunneling waste rocks are lifted to the ground in the traditional treatment mode and stacked to form a waste rock mountain, the treatment mode not only can generate huge cost due to waste rock lifting and transportation, but also can pollute the ground environment. Coal gangue underground filling becomes a development direction of the comprehensive utilization of the gangue in modern mines.
At present, the underground filling mode of the gangue mainly comprises two modes of comprehensive mechanized solid filling and roadway type gangue throwing filling. The comprehensive mechanized solid filling is that waste rocks after ground crushing are conveyed to a porous bottom-dump scraper conveyor behind a filling hydraulic support by a belt conveyor, and finally, filling and tamping are carried out by a tamping mechanism behind the filling hydraulic support. The filling method has the problems that the filling working face is a newly-added working face, a set of coal mining equipment is required to be prepared besides the filling equipment, and the initial investment is large; secondly, solid wastes such as waste rock, coal ash and the like are exposed in the air, so that dust is easily raised, and the air environment in the roadway is polluted; and when the filling working face is used for downward mining, the filling effect is poor, and the requirement of solid filling coal mining on the integrity of the top plate is high.
The tunnel type waste rock throwing and filling means that a continuous mining machine or a heading machine is used for digging out a filling tunnel (coal tunnel), and waste rock is filled in the filling tunnel by using equipment such as a waste rock filling conveyor, a high-speed power waste rock throwing machine and the like after the filling tunnel is dug out.
In a stoping roadway behind a hydraulic support at the end of a coal face, a triangular area with the length of 15-20 m can be formed due to the O-X fracture form of a goaf top plate and the anchor rod (cable) supporting function of the stoping roadway, the top plate of the triangular area is suspended and difficult to collapse, a large space is formed, the traditional treatment mode is that hydraulic fracturing or blasting technology is adopted for forced caving, and great potential safety hazards exist. If the tunneling waste rock is filled into the area, the waste rock can be treated, the top plate of the triangular area can be well controlled, however, the middle of the end hydraulic support of the traditional working face is provided with a four-bar structure, the rear part of the end hydraulic support of the traditional working face is provided with a shield beam, and the filling equipment cannot enter the triangular area and cannot perform filling work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal face end trigonum fills device for overcome the above-mentioned not enough that current filling equipment or technique exist, make waste filling work safer, high-efficient, economy.
the utility model discloses a following technical scheme realizes:
a filling device for a triangular area at the end of a coal face comprises a self-moving gangue transfer car, a spiral power device, a gangue spiral conveying pipe, a single-rail hoisting device, a hydraulic support at the end of the face and a rear pushing baffle plate; wherein the content of the first and second substances,
During the use, working face end hydraulic support and rear portion pass baffle all set up at the coal face, waste rock spiral delivery pipe hangs on the roof and the working face end hydraulic support in stoping tunnel through single track hoist device, the inside helical blade that is provided with of waste rock spiral delivery pipe, one end is provided with the spiral power device who is used for driving helical blade, the top is provided with waste rock spiral delivery pipe feed inlet, the other end is waste rock spiral delivery pipe discharge gate, from moving type waste rock transfer car is used for transferring the waste rock to the waste rock spiral delivery pipe in through waste rock spiral delivery pipe feed inlet.
The utility model has the further improvement that the self-moving type gangue transfer vehicle comprises a gangue scraper conveying mechanism, a walking mechanism, a swing mechanism and a gangue bin hopper; the waste rock material bin hopper is arranged on the traveling mechanism and is adjusted to steer through the swing mechanism, and the waste rock material bin hopper is used for storing waste rocks and transferring the waste rocks to the feed inlet of the waste rock spiral conveying pipe through the waste rock scraper conveying mechanism.
The utility model discloses further improvement lies in, and waste rock spiral delivery pipe is established ties by the articulated steel pipe of multisection and is constituteed, and each transmission position all adopts the connected mode that floats, and suspension bearing adopts cross universal shaft ware connection structure.
The utility model discloses further improvement lies in, gangue spiral delivery pipe can the bending connection, and the contained angle between gangue spiral delivery pipe and the roof in stoping tunnel is 0 ~ 30.
The utility model discloses further improvement lies in, working face end hydraulic support is split type structure, and waste rock auger delivery pipe hangs on its support back timber.
The utility model discloses a further improvement lies in, working face end hydraulic support is provided with working face end hydraulic support back tail boom, and its position of hanging waste rock spiral delivery pipe can swing, and the swing distance is not more than the whole width of working face end hydraulic support.
The utility model discloses further improvement lies in, and the motion stroke of rear portion lapse baffle can reach the landing point of waste rock for guarantee that the waste rock is piled up closely knit.
The utility model discloses following profitable technological effect has:
The utility model provides a pair of coal face end triangle district filling device, the device include from moving formula waste rock transfer car, spiral power device, waste rock auger pipe, single track hoist and mount are put, face end hydraulic support and rear portion pass the baffle. The device loops through from moving formula waste rock transfer car and waste rock auger delivery pipe and fills in the pit with solid waste such as gangue or fly ash, and equipment is few, the investment is little, does not have the requirement to working face roof condition, and make full use of abandonment tunnel carries out waste disposal, can also prevent because of the raise dust that other transportation mode arouses, pollutes the air circumstance in whole stoping tunnel.
Furthermore, each transmission part in the gangue spiral conveying pipe adopts a floating connection mode, the suspension bearing is of a universal joint structure, the spiral blade, the suspension bearing and the tail part form an integral rotary floating body, the integral rotary floating body can freely rotate and avoid along with conveying resistance in a certain range, material blocking and blockage are avoided, the process is smooth, the filling work is efficient, and the parallel operation of mining and filling can be realized.
To sum up, the utility model provides a pair of coal face end triangle district filling device, fill the during operation, with solid waste such as gangue or fly ash through the auxiliary transportation equipment transportation to from moving formula gangue transfer car loading mechanism on, with its transfer to in the gangue spiral delivery pipe feed inlet, gangue spiral delivery pipe hangs by the single track and hangs on stoping tunnel roof and face end hydraulic support, carry the stoping tunnel at face end hydraulic support rear with solid waste such as gangue or fly ash under spiral power device's effect in, pile up it under the effect of rear portion lapse plate washer, tamp, form the gangue filling body. When the coal face is pushed forwards, the filling device at the end of the coal face moves forwards along with the filling device under the action of the moving part and the guide rail.
Drawings
FIG. 1 is a schematic structural diagram of filling of a coal face end triangular area.
Fig. 2 is a schematic view of the self-moving gangue transfer car, wherein fig. 2(a) is a front view, fig. 2(b) is a top view, and fig. 2 (c) is a side view.
Fig. 3 is a schematic view of the gangue spiral conveying pipe.
Fig. 4 is a schematic view of a face end hydraulic mount.
Fig. 5 is a schematic diagram of arrangement of filling roadways in a triangular area at the end of a coal face.
Description of reference numerals:
1. A self-moving gangue transfer vehicle; 2. a screw power device; 3. a spiral waste rock conveying pipe; 4. a monorail crane device; 5. a working face end hydraulic support; 6. a feeding hole of a gangue spiral conveying pipe; 7. a gangue scraper conveying mechanism; 8. a traveling mechanism; 9. A swing mechanism; 10. a waste rock material hopper; 11. hinging a steel pipe; 12. a cross axle and universal shaft connector connecting structure; 13. the end of the working face is connected with a rear tail beam of the hydraulic support; 14. a rear pushing baffle plate; 15. stoping the roadway; 16. a coal face; 17. gangue filling bodies, 18 and spiral blades.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 5, the utility model provides a pair of coal face end triangle district fills device, include from moving formula waste rock transfer car 1, spiral power device 2, waste rock spiral delivery pipe 3, single track hoist and mount and put 4, face end hydraulic support 5, rear portion lapse baffle 14. During the use, working face end hydraulic support 5 and rear portion pass through baffle 14 and all set up at coal face 16, waste rock spiral delivery pipe 3 hangs on the roof of stoping tunnel 15 and working face end hydraulic support 5 through single track hoist device 4, waste rock spiral delivery pipe 3 inside is provided with helical blade 18, one end is provided with the spiral power device 2 that is used for driving helical blade 18, the top is provided with waste rock spiral delivery pipe feed inlet 6, the other end is waste rock spiral delivery pipe discharge gate, from moving waste rock transfer car 1 is used for transferring the waste rock to waste rock spiral delivery pipe 3 in through waste rock spiral delivery pipe feed inlet 6.
the self-moving type gangue transfer car 1 comprises a gangue scraper conveying mechanism 7, a walking mechanism 8, a slewing mechanism 9 and a gangue bin hopper 10; the waste rock material bin 10 is arranged on the walking mechanism 8, the rotation direction is adjusted through the swing mechanism 9, the waste rock material bin 10 is used for storing waste rocks, and the waste rocks are transferred to the feed inlet 6 of the waste rock spiral conveying pipe through the waste rock scraper conveying mechanism 7.
The gangue spiral conveying pipe 3 is formed by connecting a plurality of sections of hinged steel pipes 11 in series, each transmission part adopts a floating connection mode, and a suspension bearing adopts a cross axle universal shaft connector connection structure 12.
The gangue spiral conveying pipe 3 can be connected in a bending mode, and the included angle between the gangue spiral conveying pipe 3 and the top plate of the stoping roadway 15 is 0-30 degrees.
the working face end hydraulic support 5 is of a split structure, and the gangue spiral conveying pipe 3 is hung on a support top beam of the gangue spiral conveying pipe.
The working face end hydraulic support 5 is provided with a working face end hydraulic support rear tail beam 13, the part of the waste rock spiral conveying pipe 3 hung on the tail beam can swing, and the swing distance is not greater than the whole width of the working face end hydraulic support 5.
The movement stroke of the rear pushing baffle 14 can reach the landing point of the gangue, and the gangue is guaranteed to be stacked compactly.
When the filling device for the coal face end triangular area provided by the utility model is used, solid wastes such as coal gangue or coal ash are transported to the gangue scraper conveying mechanism 7 of the self-moving gangue transfer vehicle through the auxiliary transportation equipment and transferred into the gangue spiral conveying pipe feeding port 6 during filling work; under the action of a spiral power device 2, solid wastes such as gangue or fly ash are conveyed into a mining roadway behind a working face end hydraulic support 5, and are stacked and tamped through a gangue spiral conveying pipe 3 under the action of a rear pushing baffle plate 14 to form a gangue filling body 17; when the coal face 16 is pushed forward, the filling device at the end of the coal face in the triangular area moves forward along with the coal face until the whole stoping roadway 15 is filled.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can implement the present invention without departing from the principles of the present invention. Several improvements or touch-ups may also be made, which should also be considered as the scope of protection of the present invention.

Claims (7)

1. A coal face end triangular area filling device is characterized by comprising a self-moving gangue transfer car (1), a spiral power device (2), a gangue spiral conveying pipe (3), a single rail hoisting device (4), a face end hydraulic support (5) and a rear pushing baffle (14); wherein the content of the first and second substances,
During the use, working face end hydraulic support (5) and rear portion pass through baffle (14) and all set up in coal face (16), waste rock spiral delivery pipe (3) are hung on roof and working face end hydraulic support (5) of back production tunnel (15) through single track hoist device (4), waste rock spiral delivery pipe (3) inside is provided with helical blade (18), one end is provided with spiral power device (2) that are used for driving helical blade (18), the top is provided with waste rock spiral delivery pipe feed inlet (6), the other end is waste rock spiral delivery pipe discharge gate, from moving waste rock transfer car (1) are used for transferring the waste rock to waste rock spiral delivery pipe (3) in through waste rock spiral delivery pipe feed inlet (6).
2. The coal face end triangular space filling device according to claim 1, wherein the self-moving gangue transfer vehicle (1) comprises a gangue scraper conveying mechanism (7), a walking mechanism (8), a slewing mechanism (9) and a gangue bin hopper (10); the waste rock material bin (10) is arranged on the walking mechanism (8) and is adjusted to turn through the swing mechanism (9), and the waste rock material bin (10) is used for storing waste rocks and transferring the waste rocks to a feed inlet (6) of a waste rock spiral conveying pipe through the waste rock scraper conveying mechanism (7).
3. The filling device for the coal face end triangular area according to claim 1, characterized in that the gangue spiral conveying pipe (3) is composed of a plurality of sections of hinged steel pipes (11) which are connected in series, each transmission part adopts a floating connection mode, and the suspension bearing adopts a cross universal shaft connector connection structure (12).
4. a coal face end delta filling device according to claim 3, characterized in that the gangue spiral conveying pipe (3) can be connected in a bending way, and the included angle between the gangue spiral conveying pipe (3) and the top plate of the mining roadway (15) is 0-30 degrees.
5. The filling device for the coal face end triangular area according to claim 1, characterized in that the hydraulic support (5) for the face end is of a split structure, and the gangue spiral conveying pipe (3) is hung on a support top beam thereof.
6. The filling device for the coal face end triangular space according to claim 1, characterized in that the hydraulic support for the working face end (5) is provided with a rear tail beam (13) of the hydraulic support for the working face end, the part of the rear tail beam for hanging the spiral gangue conveying pipe (3) can swing, and the swing distance is not more than the whole width of the hydraulic support for the working face end (5).
7. The filling device for the coal face end delta according to claim 1, characterized in that the movement stroke of the rear pushing baffle (14) can reach the landing point of gangue, so as to ensure that the gangue is densely piled.
CN201920278613.XU 2019-03-04 2019-03-04 Coal face end triangular space filling device Active CN209780954U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920278613.XU CN209780954U (en) 2019-03-04 2019-03-04 Coal face end triangular space filling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920278613.XU CN209780954U (en) 2019-03-04 2019-03-04 Coal face end triangular space filling device

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111075489A (en) * 2020-02-19 2020-04-28 太原理工大学 Attitude description method for floating connection mechanism of hydraulic support and scraper conveyor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111075489A (en) * 2020-02-19 2020-04-28 太原理工大学 Attitude description method for floating connection mechanism of hydraulic support and scraper conveyor

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