CN218439360U - End slope coal mining machine suitable for mining inclined coal seam - Google Patents
End slope coal mining machine suitable for mining inclined coal seam Download PDFInfo
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- CN218439360U CN218439360U CN202222623335.1U CN202222623335U CN218439360U CN 218439360 U CN218439360 U CN 218439360U CN 202222623335 U CN202222623335 U CN 202222623335U CN 218439360 U CN218439360 U CN 218439360U
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Abstract
The utility model discloses an end slope coal mining machine suitable for mining inclined coal seams, which comprises a coal mining machine main body, a plurality of sections of transportation units, a cutting unit and a discharging unit, wherein the bottom of the coal mining machine main body is provided with the transportation unit, the front end of the transportation unit is provided with the cutting unit, and the tail part of the transportation unit is provided with the discharging unit; the transportation unit comprises a metal shell, a transportation belt and a telescopic roller device; the conveying belt is arranged on the outer portion in the middle of the metal shell, the telescopic roller devices are arranged inside the left end and the right end of the metal shell respectively, and each telescopic roller device comprises a fixed gear, a rack, a hinging device and a roller. The utility model discloses a scalable gyro wheel device of transportation unit both sides realizes the end group coal-winning machine and mines the inclined coal seam after, and the sliding friction that produces the side wall under the contact when withdrawing equipment changes rolling friction into, greatly reduced the withdrawal degree of difficulty, improved equipment service life, have extensive application to end group coal-winning machine exploitation inclined coal seam withdrawal process.
Description
Technical Field
The utility model relates to an end group coal-winning machine suitable for exploit inclined coal seam belongs to mining machinery technical field.
Background
open-pit mining is an important coal mining technology, and an end-slope coal mining technology is widely developed in recent years, so that the technology can effectively improve the recovery rate of coal. When the end wall coal mining machine is used, if inclined coal beds in end walls are arranged according to a horizontal mining cave, greater resource waste or gangue mixing condition can be caused in the mining process, if the mining cave is arranged obliquely, in the withdrawing process after the equipment is mined, due to the existence of gravity factors, the equipment can contact the coal wall on the lower side to generate greater sliding friction, the withdrawing difficulty is increased, and the service life of the equipment is shortened.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides an end group coal-winning machine suitable for exploit inclined coal seam, after having exploited inclined coal seam, equipment withdrawal is convenient, extension equipment service life.
In order to achieve the above object, the utility model provides a following technical scheme: an end slope coal mining machine suitable for mining inclined coal seams comprises a coal mining machine main body, a plurality of sections of transportation units, a cutting unit and a discharging unit, wherein the bottom of the coal mining machine main body is provided with the plurality of sections of transportation units, the front ends of the transportation units of the foremost section are sequentially connected in series, the cutting unit is arranged at the front end of the transportation unit of the foremost section, and the tail part of the transportation unit of the rearmost section is provided with the discharging unit; the conveying unit comprises a metal shell, a conveying belt and a telescopic roller device;
a conveying belt is arranged on the outer part of the middle of the metal shell, and telescopic roller wheel devices are respectively arranged inside the left end and the right end of the metal shell and comprise fixed gears, racks, hinging devices and rollers;
the fixed gear is fixedly arranged in the metal shell, the rack is arranged in the metal shell in a sliding mode and meshed with the fixed gear, and the idler wheel is arranged at the outer end of the rack through the hinging device.
Furthermore, two limit switches are arranged in the metal shell at intervals, a metal block is arranged at the bottom of the inner end of the rack, and the metal block is located between the two limit switches.
Furthermore, telescopic roller devices are respectively arranged at the left end and the right end of the front part of the transportation unit.
Furthermore, telescopic roller devices are respectively arranged at the left end and the right end of the rear part of the transportation unit.
Compared with the prior art, the utility model discloses a scalable roller device of transportation unit both sides realizes behind the end group coal-winning machine exploitation inclined coal seam, and the sliding friction that contacts the production of downside coal wall when withdrawing equipment changes rolling friction into, greatly reduced the withdrawal degree of difficulty, improved equipment life, have extensive application to end group coal-winning machine exploitation inclined coal seam withdrawal process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the retractable roller device of the present invention;
fig. 3 is a schematic view of the transportation unit withdrawal of the present invention;
in the figure: 1. a shearer body; 2. a transport unit; 3. a cutting unit; 4. a discharging unit; 5. inclining the coal seam; 6. a coal seam roof; 7. a coal seam floor; 8. fixing a gear; 9. a hinge device; 10. a roller; 11. a rack; 12. a limit switch; 13. a metal housing; 14. a conveyor belt; 15. a metal block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a technical scheme: the coal mining machine comprises a coal mining machine main body 1, a plurality of sections of transportation units 2, a cutting unit 3 and a discharging unit 4, wherein the plurality of sections of transportation units 2 are sequentially connected in series at the front and rear ends of the coal mining machine main body 1, the cutting unit 3 is arranged at the front end of the transportation unit 2 at the forefront section, the discharging unit 4 is arranged at the tail part of the transportation unit 2 at the rearmost section, the cutting unit 3 is responsible for excavating an inclined coal seam 5, the transportation unit 2 is responsible for transporting coal out of a mining cave, and the discharging unit 4 is responsible for discharging the coal; the transport unit 2 comprises a metal housing 13, a transport belt 14 and a telescopic roller arrangement.
As shown in fig. 2, a conveying belt 14 is arranged on the outer part of the middle of the metal shell 13, and telescopic roller devices are respectively arranged inside the left end and the right end of the metal shell 13 and comprise a fixed gear 8, a rack 11, a hinge device 9 and a roller 10; the fixed gear 8 is fixedly arranged in the metal shell 13, the fixed gear 8 is driven by a motor to work, the rack 11 is arranged in the metal shell 13 in a sliding mode and meshed with the fixed gear 8, the rack 11 is driven to do telescopic reciprocating motion along a straight line through the forward and reverse rotation of the fixed gear 8, the idler wheels 10 are arranged at the outer ends of the rack 11 through the hinging devices 9 and form the same horizontal line, and when the rack 11 is completely retracted, the idler wheels 10 are completely positioned in the metal shell 13; for the stability of withdrawing, the telescopic roller devices are respectively arranged at the left and right ends of the front part and the left and right ends of the rear part of each section of the transportation unit 2.
In order to improve the automation degree of the whole device, two limit switches 12 are arranged in the metal shell 13 at intervals, the limit switches 12 are electrically connected with a motor, a metal block 15 is arranged at the bottom of the inner end of the rack 11, and the metal block 15 is positioned between the two limit switches 12; the metal block 15 is used for enabling the rack 11 to contact the limit switch 12 in the moving process, after the metal block 15 contacts the limit switch 12, the power supply is cut off, the motor stops working, the fixed gear 8 stops rotating, and the roller 10 reaches a specified position; the limit switches 12 are disposed at the most distal and most proximal ends of the path of movement of the metal block 15.
As shown in fig. 1, inclined coal seam 5 is located between coal seam roof 6 and the coal seam bottom plate 7, the utility model discloses place on the coal seam bottom plate 7 of slope, exploit to inclined coal seam 5 inside through cutting unit 3, gyro wheel 10 is inside metal casing 13 completely this moment, treat the back that finishes of exploiting, the equipment withdrawal in-process, drive fixed gear 8 by motor work and rotate and then drive rack 11 and be overhanging motion, it is outside to move gyro wheel 10 to metal casing 13, gyro wheel 10 contact inclined coal seam 5, withdraw in-process gyro wheel 10 at the equipment and be rolling friction with inclined coal seam 5 lateral wall, the chamber of taking out of until withdrawing from completely, greatly reduced the withdrawal degree of difficulty, improved equipment service life.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (4)
1. An end-slope coal mining machine suitable for mining inclined coal seams comprises a coal mining machine main body (1), a plurality of sections of transportation units (2), a cutting unit (3) and a discharging unit (4), wherein the bottom of the coal mining machine main body (1) is provided with the plurality of sections of transportation units (2) which are sequentially connected in series at the front end and the rear end, the front end of the transportation unit (2) at the forefront section is provided with the cutting unit (3), and the tail part of the transportation unit (2) at the rearmost section is provided with the discharging unit (4); characterized in that the transport unit (2) comprises a metal housing (13), a transport belt (14) and a retractable roller device;
a conveying belt (14) is arranged on the outer part of the middle of the metal shell (13), telescopic roller wheel devices are respectively arranged inside the left end and the right end of the metal shell (13), and each telescopic roller wheel device comprises a fixed gear (8), a rack (11), a hinging device (9) and a roller wheel (10);
the fixed gear (8) is fixedly arranged in the metal shell (13), the rack (11) is arranged in the metal shell (13) in a sliding mode and meshed with the fixed gear (8), and the roller (10) is arranged at the outer end of the rack (11) through the hinging device (9).
2. The endwall shearer for mining an inclined coal seam according to claim 1, wherein: two limit switches (12) are arranged in the metal shell (13) at intervals, a metal block (15) is arranged at the bottom of the inner end of the rack (11), and the metal block (15) is located between the two limit switches (12).
3. The endwall shearer for mining inclined coal seams as claimed in claim 2, wherein: the left end and the right end of the front part of the transportation unit (2) are respectively provided with a telescopic roller device.
4. The endwall shearer for mining inclined coal seams as claimed in claim 3, wherein: and the left end and the right end of the rear part of the transportation unit (2) are respectively provided with a telescopic roller device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623335.1U CN218439360U (en) | 2022-10-02 | 2022-10-02 | End slope coal mining machine suitable for mining inclined coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623335.1U CN218439360U (en) | 2022-10-02 | 2022-10-02 | End slope coal mining machine suitable for mining inclined coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218439360U true CN218439360U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222623335.1U Active CN218439360U (en) | 2022-10-02 | 2022-10-02 | End slope coal mining machine suitable for mining inclined coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218439360U (en) |
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2022
- 2022-10-02 CN CN202222623335.1U patent/CN218439360U/en active Active
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