CN219910859U - Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face - Google Patents
Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face Download PDFInfo
- Publication number
- CN219910859U CN219910859U CN202321112325.XU CN202321112325U CN219910859U CN 219910859 U CN219910859 U CN 219910859U CN 202321112325 U CN202321112325 U CN 202321112325U CN 219910859 U CN219910859 U CN 219910859U
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- gangue
- coal face
- rolling
- baffle
- dip
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- 239000003245 coal Substances 0.000 title claims abstract description 89
- 238000005096 rolling process Methods 0.000 title claims abstract description 45
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a pneumatic anti-rolling gangue device of big inclination coal face tangential hole, includes two fixed connection cylinders on the coal face tangential hole inner wall, and two the axis of cylinder is perpendicular with the coal face, two be equipped with between the cylinder and be used for blockking the blocking mechanism of rolling gangue, block the mechanism including respectively with both sides cylinder detachable connection's baffle, two the baffle links to each other, just the baffle is perpendicular with the coal face. The large-dip angle coal face cut-hole pneumatic rolling gangue preventing device can prevent coal gangue with larger impact force and has longer service life.
Description
Technical Field
The utility model relates to the technical field of coal mining, in particular to a large-dip-angle coal face cutting pneumatic anti-rolling gangue device.
Background
The exploitation difficulty of high inclination coal seam is bigger to easily produce the potential safety hazard, for example roll gangue and big piece coal gangue roll out from the coal face, not only can lead to the fact the damage to the facility of putting in the tunnel, can bring certain danger to staff and mechanical operation person around moreover, therefore the level requirement is higher to the safety control of coal face.
At present, the existing anti-rolling gangue device can prevent gangue and a small amount of rolling gangue from rolling along a coal face, but when the impact force of the rolling gangue is large, the existing anti-rolling gangue device can be damaged.
Disclosure of Invention
The utility model aims to solve the problem that rolling gangue with large impact force cannot be blocked in the prior art, and provides a large-dip angle coal face cutting pneumatic rolling gangue preventing device.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the cylinder comprises a piston rod, the piston rod is connected with an air cavity in a sliding mode, a cylinder body is sleeved outside the air cavity, the air cavity is communicated with a high-pressure air valve, and the other end of the high-pressure air valve is communicated with a sealing bolt.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: and a rotating mechanism is arranged above the air cylinder and is detachably connected with the baffle through a connecting plate.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the rotary mechanism comprises a positioning rod fixedly connected with the air cylinder and a rotary drum rotationally connected with the air cylinder, the positioning rod is coaxial with the rotary drum, a torsion spring is sleeved outside the positioning rod, one end of the torsion spring is fixedly connected with the connecting plate, the other end of the torsion spring is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with the air cylinder.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the two baffles are connected through soft connection.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the blocking mechanism comprises a gangue blocking net, one end of the gangue blocking net is fixedly connected with the bottom surface of the baffle, the other end of the gangue blocking net is fixedly connected with the top surface of the coal face, and the gangue blocking net is perpendicular to the coal face.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the blocking mechanism comprises a plurality of lifting upright posts, one ends of all the lifting upright posts are in sliding connection with the top surface of the coal face, the other ends of all the lifting upright posts are fixedly connected with the bottom surface of the baffle plate, and all the lifting upright posts are perpendicular to the coal face.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: the lifting upright post is made of rubber.
As the pneumatic rolling gangue preventing device for the large-dip-angle coal face cutting hole, the utility model is further optimized: an elastic net layer formed by up-down staggered weaving of a plurality of spiral springs is arranged on one side of the baffle plate, which is contacted with the rolling gangue.
The beneficial effects are that: the large-dip angle coal face cut-hole pneumatic rolling gangue prevention device is provided with the two baffles connected through the soft connection, and the baffles are movable, so that after the coal gangue impacts on the baffles, the baffles can better absorb the impact force of the coal gangue, and the kinetic energy of the coal gangue is reduced; the height of the baffle can be adjusted, so that the device can be suitable for roadways with various heights; the bottom surface of the baffle is connected with a gangue blocking net or a lifting upright post, so that coal gangue in all directions and with all particle sizes can be blocked; the side that baffle and rolling gangue contacted is equipped with the elastic net layer, and the elastic net layer not only can absorb the impact force of gangue, can reduce noise moreover, prolongs the life of baffle. In conclusion, the anti-rolling gangue device can block coal gangue with larger impact force, and has longer service life.
Drawings
FIG. 1 is a schematic diagram of a large-dip angle coal face cut-hole pneumatic anti-rolling gangue device (gangue blocking net) according to the utility model;
FIG. 2 is a schematic structural view of a large-dip angle coal face cut-hole pneumatic rolling gangue preventing device (elastic upright post) of the utility model;
FIG. 3 is a schematic diagram of the structure of a cylinder in a large-dip angle coal face cut-hole pneumatic rolling gangue prevention device;
FIG. 4 is a schematic structural view of a rotating mechanism in a large-dip angle coal face cut-hole pneumatic rolling gangue prevention device;
FIG. 5 is a top view of a rotary mechanism in a high-dip coal face cut-to-eye pneumatic anti-rolling gangue device of the present utility model;
description of the drawings: 1. the coal face comprises a coal face body, 2, a rotating mechanism, 201, a positioning rod, 202, a torsion spring, 203, a rotary drum, 204, a fixed rod, 3, an air cylinder, 301, a piston rod, 302, a high-pressure air valve, 303, a sealing bolt, 304, a cylinder body, 305, an air cavity, 4, a baffle, 5, flexible connection, 6, a gangue blocking net, 7, a lifting upright post, 8 and a connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the pneumatic anti-rolling gangue device for the cutting hole of the large-dip coal face comprises two cylinders 3 fixedly connected to the inner wall of the cutting hole of the coal face 1, the axes of the two cylinders 3 are perpendicular to the coal face 1, a blocking mechanism for blocking rolling gangue is arranged between the two cylinders 3 and comprises baffle plates 4 detachably connected with the cylinders 3 on two sides, the two baffle plates 4 are connected, the baffle plates 4 are perpendicular to the coal face 1, after the coal gangue falls onto the baffle plates 4, the baffle plates 4 can absorb part of impact force of the coal gangue, so that kinetic energy of the coal gangue is reduced, destructive power of the coal gangue is weakened, and a good protection effect is achieved on the coal face 1 and workers.
As shown in fig. 3, the air cylinder 3 comprises a piston rod 301, the piston rod 301 is slidably connected with an air cavity 305, a cylinder body 304 is sleeved outside the air cavity 305, the air cavity 305 is communicated with a high-pressure air valve 302, the other end of the high-pressure air valve 302 is communicated with a sealing bolt 303, the piston rod 301 can vertically move up and down in the air cavity 305, and the height of the baffle 4 is adjusted by adjusting the height of the piston rod 301, so that the air cylinder can be suitable for roadways with various heights.
The rotary mechanism 2 is arranged above the air cylinder 3, and the rotary mechanism 2 is detachably connected with the baffle 4 through the connecting plate 8, so that time and labor are saved when the baffle 4 needs to be replaced.
As shown in fig. 4 and 5, the rotating mechanism 2 comprises a positioning rod 201 fixedly connected with the air cylinder 3 and a rotary drum 203 rotationally connected with the air cylinder 3, the positioning rod 201 is coaxial with the rotary drum 203, the positioning rod 201 is kept motionless, when coal gangue impacts the baffle 4, the baffle 4 moves, and then the rotary drum 203 is driven to rotate, and the impact force of the coal gangue born by the baffle 4 when being movably arranged is weakened, so that the baffle 4 is not easy to damage, the service life of the baffle 4 is prolonged, and the protection effect is longer.
In order to enable the baffle 4 to move, the baffle can automatically reset, a torsion spring 202 is sleeved outside the positioning rod 201, one end of the torsion spring 202 is fixedly connected with the connecting plate 8, the other end of the torsion spring 202 is fixedly connected with a fixing rod 204, the fixing rod 204 is fixedly connected with the air cylinder 3, when coal gangue impacts the baffle 4, the baffle 4 moves, one ends of the connecting plate 8 and the torsion spring 202 are driven to rotate, and after the coal gangue leaves the baffle 4, the torsion spring 202 resets, so that the connecting plate 8 and the baffle 4 are driven to reset.
The two baffles 4 are connected through the flexible connection 5, when the gangue hits the baffles 4, the two baffles 4 receive the impact force of the gangue, when the impact force is overlarge, the two baffles 4 move, the middle flexible connection 5 can also ensure the two baffles 4 to be connected with each other, and therefore the baffles 4 can block the gangue with larger impact force.
When the distance between the baffle 4 and the coal face 1 is far, coal gangue can directly fly through the gap between the baffle 4 and the coal face 1, so that the blocking mechanism comprises a gangue blocking net 6, one end of the gangue blocking net 6 is fixedly connected with the bottom surface of the baffle 4, the other end of the gangue blocking net is fixedly connected with the top surface of the coal face 1, the gangue blocking net 6 is perpendicular to the coal face 1, the coal gangue with various angles and various particle sizes can be blocked, and no noise is generated when the coal gangue impacts the gangue blocking net 6.
When the gangue hits the baffle 4, the baffle 4 can be damaged due to larger impact force, and huge noise can occur, so that an elastic net layer formed by vertically interweaving a plurality of spiral springs is arranged on one side of the baffle 4, which is in contact with the gangue, and the elastic net layer can not only absorb the impact force of the gangue, but also reduce the noise.
The use method of the large-dip angle coal face cutting pneumatic anti-rolling gangue device is as follows.
Firstly, according to the vertical distance between the coal face 1 and a roadway, the height of a rotating mechanism 2 is adjusted through an air cylinder 3; next, the baffle 4 is connected with the connecting plate 8; then, the two baffles 4 are connected by a flexible connection 5; finally, one end of the gangue blocking net 6 is fixedly connected with the top surface of the coal face 1, and the other end of the gangue blocking net is connected with the bottom surface of the baffle 4.
Example two
As shown in fig. 2, the main structure of the second embodiment is the same as that of the first embodiment, and the difference is that the blocking mechanism includes a plurality of lifting columns 7, one ends of all lifting columns 7 are fixedly connected with the bottom surface of the baffle plate 4, the other ends are slidably connected with the top surface of the coal face 1, all lifting columns 7 are perpendicular to the coal face 1, the height of the lifting columns 7 can be adjusted according to the heights of the baffle plate 4 and the coal face 1, coal gangue is prevented from flying through the gap between the baffle plate 4 and the coal face 1 directly, and coal gangue with various angles and various particle sizes can be blocked.
The lifting upright post 7 is made of rubber, and when coal gangue impacts the lifting upright post 7, the lifting upright post 7 of the rubber can absorb larger impact force and has no noise.
The use method of the large-dip angle coal face cutting pneumatic anti-rolling gangue device is as follows.
Firstly, according to the vertical distance between the coal face 1 and a roadway, the height of a rotating mechanism 2 is adjusted through an air cylinder 3; next, the baffle 4 is connected with the connecting plate 8; then, the two baffles 4 are connected by a flexible connection 5; finally, the height of the lifting upright post 7 is adjusted, so that the lifting upright post 7 is fixedly connected with the bottom surface of the baffle plate 4.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a pneumatic anti-rolling gangue device of big inclination coal face tangential, its characterized in that: including two fixed connection cylinder (3) on coal face (1) cutting inner wall, and two the axis of cylinder (3) is perpendicular with coal face (1), two be equipped with between cylinder (3) and be used for blockking the blocking mechanism of rolling gangue, block the mechanism including can dismantle baffle (4) of being connected with both sides cylinder (3) respectively, two baffle (4) link to each other, just baffle (4) are perpendicular with coal face (1).
2. The high-dip coal face cut-hole pneumatic rolling gangue preventing device as claimed in claim 1, wherein: the cylinder (3) comprises a piston rod (301), the piston rod (301) is connected with an air cavity (305) in a sliding mode, a cylinder body (304) is sleeved outside the air cavity (305), the air cavity (305) is communicated with a high-pressure air valve (302), and the other end of the high-pressure air valve (302) is communicated with a sealing bolt (303).
3. The high-dip coal face cutting pneumatic rolling gangue preventing device as claimed in claim 2, wherein: and a rotating mechanism (2) is arranged above the air cylinder (3), and the rotating mechanism (2) is detachably connected with the baffle plate (4) through a connecting plate (8).
4. A high tilt angle coal face cut pneumatic anti-rolling gangue device as claimed in claim 3 wherein: the rotary mechanism (2) comprises a positioning rod (201) fixedly connected with the air cylinder (3) and a rotary drum (203) rotatably connected with the air cylinder (3), the positioning rod (201) is coaxial with the rotary drum (203), a torsion spring (202) is sleeved outside the positioning rod (201), one end of the torsion spring (202) is fixedly connected with the connecting plate (8), the other end of the torsion spring (202) is fixedly connected with a fixing rod (204), and the fixing rod (204) is fixedly connected with the air cylinder (3).
5. The high-dip coal face cut-hole pneumatic rolling gangue preventing device as claimed in claim 1, wherein: the two baffles (4) are connected through a flexible connection (5).
6. The high-dip coal face cut-hole pneumatic rolling gangue preventing device as claimed in claim 1, wherein: the blocking mechanism comprises a gangue blocking net (6), one end of the gangue blocking net (6) is fixedly connected with the bottom surface of the baffle plate (4), the other end of the gangue blocking net is fixedly connected with the top surface of the coal face (1), and the gangue blocking net (6) is perpendicular to the coal face (1).
7. The high-dip coal face cut-hole pneumatic rolling gangue preventing device as claimed in claim 1, wherein: the blocking mechanism comprises a plurality of lifting upright posts (7), one ends of all the lifting upright posts (7) are in sliding connection with the top surface of the coal face (1), the other ends of all the lifting upright posts are fixedly connected with the bottom surface of the baffle plate (4), and all the lifting upright posts (7) are perpendicular to the coal face (1).
8. The high-dip coal face cutting pneumatic rolling gangue device as claimed in claim 7, wherein: the lifting upright post (7) is made of rubber.
9. The high-dip coal face cut-hole pneumatic rolling gangue preventing device as claimed in claim 1, wherein: and an elastic net layer formed by up-and-down staggered braiding of a plurality of spiral springs is arranged on one side of the baffle (4) contacted with the rolling gangue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112325.XU CN219910859U (en) | 2023-05-10 | 2023-05-10 | Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112325.XU CN219910859U (en) | 2023-05-10 | 2023-05-10 | Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910859U true CN219910859U (en) | 2023-10-27 |
Family
ID=88433083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321112325.XU Active CN219910859U (en) | 2023-05-10 | 2023-05-10 | Pneumatic anti-rolling gangue device for cutting hole of large-dip-angle coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910859U (en) |
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2023
- 2023-05-10 CN CN202321112325.XU patent/CN219910859U/en active Active
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