CN210564523U - Coal cleaning device for fully mechanized coal mining face end mining machine - Google Patents
Coal cleaning device for fully mechanized coal mining face end mining machine Download PDFInfo
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- CN210564523U CN210564523U CN201921426880.3U CN201921426880U CN210564523U CN 210564523 U CN210564523 U CN 210564523U CN 201921426880 U CN201921426880 U CN 201921426880U CN 210564523 U CN210564523 U CN 210564523U
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Abstract
The utility model discloses a fully mechanized working face final mining mechanical coal cleaning device, which comprises a flexible gangue blocking net suspended and shielded on the side surface of a pile type bracket of a main withdrawing channel, and a coal cleaning device arranged between the pile type bracket shielded by the flexible gangue blocking net and a scraper conveyer; the coal cleaning device comprises crawler belts arranged on two sides of a rack along the conveying direction of the scraper conveyor, a crawler belt driving device is fixedly arranged on the rack, a water pump is fixedly connected to the front portion of the upper end of the rack, a coal collecting hopper facing the conveying direction of the scraper conveyor is fixedly arranged in the middle of the rack, and a coal shoveling claw facing the upper side of the scraper conveyor is rotatably connected to the rear portion of the rack. The utility model provides a clear coal intensity of labour of manual work that exists among the prior art high, it is efficient, the many problem of potential safety hazard uses clear coal device to replace the clear coal of manual work, does not receive the compact influence in borehole operation space, can improve work efficiency, and the security performance is good moreover.
Description
Technical Field
The utility model belongs to the technical field of coal mining device, a combine and adopt mechanical cleaning coal device at working face end is related to.
Background
The safe and quick end mining and withdrawing of the fully mechanized coal mining face is always the target pursued by coal mines. By continuously optimizing the final mining technology and process, the final mining time is shortened, advanced technical equipment is adopted to ensure safe and rapid withdrawal of a working face, the labor efficiency can be improved, the labor intensity is reduced, the mining area continuity rate is improved, and safe and efficient production is realized. The quality of the last mining is the premise and the foundation for realizing the safe and quick withdrawal of the working face.
At present, after the fully mechanized coal mining face is communicated at the end mining, coal blocks between a scraper conveyor and supporting supports in a withdrawing channel need to be cleaned up so as to carry out operations such as a face support pulling frame and a cantilever beam, then equipment can be withdrawn, coal cleaning is carried out manually at present, labor intensity is high, labor amount is large, and the coal cleaning is carried out by personnel from other teams. The field personnel are many miscellaneous, the space is compact, the on-the-spot potential safety hazard is many, the longer the clearance time the more people the more the safety risk is big, work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combine and adopt mechanical cleaning coal device at working face end has solved the artifical clear coal intensity of labour who exists among the prior art high, and is efficient, the many problems of potential safety hazard.
The utility model adopts the technical proposal that the coal cleaning device for the final mining machinery of the fully mechanized mining working face comprises a flexible gangue blocking net which is suspended and sheltered on the side surface of a stack type bracket of a main withdrawing channel, and a coal cleaning device is arranged between the stack type bracket sheltered by the flexible gangue blocking net and a scraper conveyer; the coal cleaning device comprises crawler belts arranged on two sides of a rack along the conveying direction of the scraper conveyor, a crawler belt driving device is fixedly arranged on the rack, a water pump is fixedly connected to the front portion of the upper end of the rack, a coal collecting hopper facing the conveying direction of the scraper conveyor is fixedly arranged in the middle of the rack, a coal shoveling claw is rotatably connected to the rear portion of the rack, and a motor drives the coal shoveling claw to shovel coal towards the upper side of the scraper conveyor.
The utility model discloses a characteristics still lie in:
the upper end of the flexible waste rock blocking net is suspended at the front end of the hydraulic support close to the stack type support of the main withdrawing channel, and the lower end of the flexible waste rock blocking net is fixed at the bottom end of the stack type support in a coal cleaning state; when the net is transported or the frame is moved, the lower end of the flexible waste rock blocking net is in a rolled net shape and is connected with the hook head of the steel wire rope, and the steel wire rope is wound around the fixed pulley fixed at the lower end of the top beam of the hydraulic support and is fixed on the winch.
The stubble pressing length of the joint of the flexible waste rock blocking net is not less than 300mm, the double-row three-flower binding is carried out by double-strand 14# iron wires every 200mm, and two binding channels are longitudinally arranged at the top and the middle of the flexible waste rock blocking net
A steel cord.
The water pump is an explosion-proof sand pump for mining.
And the side edge of the coal collecting hopper adjacent to the flexible gangue blocking net is provided with a wear-resistant wheel.
The rear part of the frame is provided with a coal shoveling claw fixing seat which is rotationally connected with the coal shoveling claw.
The coal shoveling claw fixing seat is U-shaped.
The coal shoveling claw fixing seat is rotationally connected with the coal shoveling claw through a rotating shaft.
The utility model has the advantages that: the utility model adopts the flexible gangue blocking net to block floating coals from rushing into the stack type support of the main withdrawing channel, reduces the coal cleaning workload, uses the coal cleaning device to replace manual coal cleaning, is not influenced by compact underground operation space, can improve the working efficiency and has good safety performance; the mine explosion-proof sand discharge pump is used for discharging accumulated water firstly and then cleaning float coal, so that sewage and dirt such as coal slime, coal sand and the like in the underground coal mine can be effectively discharged, the working efficiency is greatly improved, and conditions are created for safe and efficient final mining of a working face.
Drawings
FIG. 1 is a schematic structural view of a coal cleaning device for a fully mechanized coal mining face end mining machine according to the present invention;
FIG. 2 is a schematic structural view showing a state of a net transporting or frame moving of a device for cleaning coal at the end of a fully mechanized coal mining face according to the present invention;
FIG. 3 is a schematic structural view of a coal cleaning device of a fully mechanized coal mining face final coal cleaning machine of the present invention;
FIG. 4 is a schematic structural view of a coal shoveling claw fixing seat of the coal cleaning device of the fully mechanized working face end mining machine of the present invention.
In the drawing, 1, a stacking type support, 2, a hydraulic support, 3, a winch, 4, a steel wire rope, 5, a fixed pulley, 6, a flexible gangue blocking net, 7, a scraper conveyor, 8, a coal cleaning device, 81, a frame, 9, a mining explosion-proof sand discharge pump, 10, a crawler belt, 11, a coal collecting hopper, 12, a grinding wheel resistant, 13, a coal shoveling claw fixing seat, 14, a coal shoveling claw and 15, and a rotating shaft.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a combine and adopt mechanical coal cleaning device in working face end, as shown in fig. 1 and 3, a combine and adopt mechanical coal cleaning device in working face end, including hanging the flexible waste rock blocking net 6 that shelters from the side of main withdrawal channel stack type support 1, be provided with clear coal device 8 between the stack type support 1 sheltered from by flexible waste rock blocking net 6 and scraper conveyor 7; clear coal device 8 includes and installs the track 10 in frame 81 both sides along scraper conveyor 7 direction of delivery, and fixed mounting has track drive arrangement on the frame 81, and the anterior rigid coupling in frame 81 upper end has the water pump for it is ponding in the pit to pump before clear coal, and frame 81 middle part fixed mounting has towards scraper conveyor 7 direction of delivery open-ended coal collection fill 11, and frame 81 rear portion rotates connects coal shoveling claw 14, and motor drive coal shoveling claw (14) are towards the side direction coal shoveling on scraper conveyor (7). The track driving device is any device in the prior art which can be used for driving the track, such as a motor.
As shown in fig. 1 and 2, the upper end of the flexible waste rock blocking net 6 is suspended at the front end of the hydraulic support 2 which is adjacent to the stack type support 1 of the main withdrawing channel, and the lower end of the flexible waste rock blocking net 6 is fixed at the bottom end of the stack type support 1 in a coal cleaning state; when the net is transported or moved, the lower end of the flexible waste rock blocking net 6 is in a rolled net shape and is connected with the hook head of the steel wire rope 4, the steel wire rope 4 bypasses the fixed pulley 5 fixed at the lower end of the top beam of the hydraulic support 2 to be wound and fixed on the winch 3, the net is transported conveniently, the frame is moved, and the flexible waste rock blocking net 6 is suspended and blocked on the side surface of the stack type support 1 of the main withdrawing channel, so that float coal is prevented from entering the stack type support 1 of the main withdrawing channel, and the workload is reduced.
The stubble pressing length of the joint of the flexible waste rock blocking net 6 is not less than 300mm, the two strands of 14# iron wires are bound according to two rows of three flowers every 200mm, and two strands are longitudinally bound at the top and the middle of the flexible waste rock blocking net 6
A steel cord.
The water pump is mining explosion-proof sediment outflow pump 9, and dirty ability reinforce can pump drainage contain the sewage of solid particle and do not influence efficiency, and in the drainage process, if the water source breaks down, the pump can continue the operation, moves safe and reliable under the abominable operating mode in the pit, long service life.
The side edges of the coal collecting hopper 11 adjacent to the flexible waste rock blocking net 6 are provided with abrasion-resistant wheels 12, so that the friction force between the coal collecting hopper 11 and the flexible waste rock blocking net 6 is reduced, and the flexible waste rock blocking net 6 is prevented from being scratched by the edges of the coal collecting hopper 11 in the advancing process of the coal cleaning device 8.
The rear part of the frame 81 is provided with a coal shoveling claw fixing seat 13, and the coal shoveling claw fixing seat 13 is rotatably connected with a coal shoveling claw 14.
Coal shoveling claw fixing seat 13 is U-shaped.
The coal shoveling claw fixing seat 13 is rotatably connected with the coal shoveling claw 14 through a rotating shaft 15.
The utility model relates to a combine and adopt mechanical cleaning coal device of working face end, itThe working process is as follows: firstly, operating a winch 3 to loosen a steel wire rope 4, hanging and shielding a flexible waste rock blocking net 6 on the side surface of a pile-type support 1 of a main withdrawing channel, fixing the lower end of the flexible waste rock blocking net 6 at the bottom end of the pile-type support 1, binding stubbles at the joint of the flexible waste rock blocking net 6 by two strands of 14# iron wires according to two rows of three flowers every 200mm, and longitudinally binding two rows of the flexible waste rock blocking net 6 at the top and the middle part
The steel wire rope prevents the float coal from entering the stack type support 1 of the main withdrawing channel, and reduces the workload of coal cleaning; accumulated water is firstly drained through the mine explosion-proof sand discharge pump 9, and then float coal is cleaned, so that the working efficiency is greatly improved, and conditions are created for safe and efficient final mining of a working face; the crawler driving device drives the crawler 10 to enable the coal cleaning device 8 to move forwards, float coal is collected through the coal collecting hopper 11 in the advancing process, and the motor drives the coal shoveling claw (14) to rotate back and forth to shovel coal towards the side direction on the scraper conveyor (7).
The utility model relates to a combine and adopt mechanical cleaning coal device at working face end, its beneficial effect lies in: the flexible gangue blocking net is adopted to block floating coals from rushing into the stack type support of the main withdrawing channel, so that the coal cleaning workload is reduced; the mine explosion-proof sand discharge pump is used for discharging accumulated water firstly and then cleaning float coal, so that sewage and dirt such as coal slime, coal sand and the like in the underground coal mine can be effectively discharged, the working efficiency is greatly improved, the coal cleaning device is used for replacing manual coal cleaning, the influence of compact underground operation space is avoided, the working efficiency can be improved, and the safety performance is good.
Claims (8)
1. A coal cleaning device for a fully mechanized coal mining face end mining machine is characterized by comprising a flexible waste rock blocking net (6) which is hung and shielded on the side surface of a stack type support (1) of a main withdrawing channel, wherein a coal cleaning device (8) is arranged between the stack type support (1) and a scraper conveyer (7) which are shielded by the flexible waste rock blocking net (6); clear coal device (8) include and install track (10) in frame (81) both sides along scraper conveyor (7) direction of delivery, fixed mounting has track drive arrangement on frame (81), the anterior rigid coupling in frame (81) upper end has the water pump, frame (81) middle part fixed mounting has towards scraper conveyor (7) direction of delivery open-ended collection coal fill (11), frame (81) rear portion is rotated and is connected shovel coal claw (14), and motor drive shovel coal claw (14) are towards the side direction shovel coal on scraper conveyor (7).
2. The device for cleaning mechanical coal at the end of a fully mechanized working face according to claim 1, wherein the upper end of the flexible gangue net (6) is suspended at the front end of the hydraulic support (2) adjacent to the stack support (1) of the main withdrawing channel, and the lower end of the flexible gangue net (6) is fixed at the bottom end of the stack support (1) in a coal cleaning state; when the net is transported or moved, the lower end of the flexible gangue blocking net (6) is in a coiled net shape and is connected with the hook head of the steel wire rope (4), and the steel wire rope (4) is wound around a fixed pulley (5) fixed at the lower end of the top beam of the hydraulic support (2) and is fixed on the winch (3).
3. The device for cleaning coal from end mining machine of fully mechanized mining face of claim 2, characterized in that the length of the stubble pressing at the joint of the flexible gangue-blocking net (6) is not less than 300mm, and two psi 16mm steel wire ropes are longitudinally bound on the top and middle of the flexible gangue-blocking net (6) by double strand 14# iron wire binding according to double row three-flower every 200 mm.
4. The device for cleaning coal from a fully mechanized coal mining face end mining machine according to claim 1, wherein the water pump is a mining explosion-proof sand pump (9).
5. The device for cleaning coal from a fully mechanized coal mining face end mining machine according to claim 1, wherein a side edge of the coal hopper (11) adjacent to the flexible gangue blocking net (6) is provided with a grinding wheel (12).
6. The coal cleaning device for the fully mechanized coal mining face end mining machine according to claim 1, wherein a coal shoveling claw fixing seat (13) is arranged at the rear part of the frame (81), and the coal shoveling claw fixing seat (13) is rotatably connected with the coal shoveling claw (14).
7. The coal cleaning device for the fully mechanized coal mining face end mining machine according to claim 6, wherein the coal shoveling claw fixing seat (13) is U-shaped.
8. The coal cleaning device for the fully mechanized coal mining face end mining machine according to claim 7, wherein the coal shoveling claw fixing seat (13) is rotatably connected with the coal shoveling claw (14) through a rotating shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426880.3U CN210564523U (en) | 2019-08-30 | 2019-08-30 | Coal cleaning device for fully mechanized coal mining face end mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426880.3U CN210564523U (en) | 2019-08-30 | 2019-08-30 | Coal cleaning device for fully mechanized coal mining face end mining machine |
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| CN210564523U true CN210564523U (en) | 2020-05-19 |
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| CN201921426880.3U Active CN210564523U (en) | 2019-08-30 | 2019-08-30 | Coal cleaning device for fully mechanized coal mining face end mining machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454163A (en) * | 2019-08-30 | 2019-11-15 | 陕煤集团神木红柳林矿业有限公司 | A kind of quick end of fully-mechanized mining working, which is adopted, withdraws Ji Cheongju coal technique |
-
2019
- 2019-08-30 CN CN201921426880.3U patent/CN210564523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454163A (en) * | 2019-08-30 | 2019-11-15 | 陕煤集团神木红柳林矿业有限公司 | A kind of quick end of fully-mechanized mining working, which is adopted, withdraws Ji Cheongju coal technique |
| CN110454163B (en) * | 2019-08-30 | 2024-03-26 | 陕煤集团神木红柳林矿业有限公司 | Rapid non-mining withdrawing and coal cleaning process for fully mechanized coal mining face |
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