CN221277729U - Deceleration limiting device based on coal mining machine - Google Patents
Deceleration limiting device based on coal mining machine Download PDFInfo
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- CN221277729U CN221277729U CN202323520917.8U CN202323520917U CN221277729U CN 221277729 U CN221277729 U CN 221277729U CN 202323520917 U CN202323520917 U CN 202323520917U CN 221277729 U CN221277729 U CN 221277729U
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- coal mining
- mining machine
- coal
- scraper conveyor
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- 239000003245 coal Substances 0.000 title claims abstract description 50
- 238000005065 mining Methods 0.000 title claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a deceleration limiting device based on a coal mining machine, which belongs to the field of coal mining and comprises a coal mining machine main body and a scraper conveyor, wherein machine heads are arranged at two ends of the coal mining machine main body, racks are arranged at two ends of the bottom of the coal mining machine main body, the coal mining machine main body is positioned above the scraper conveyor, a flitch is arranged at two sides of the top of the flitch, a pressing plate is arranged at the upper end face of the pressing plate, a vertical plate is arranged at the head of the pressing plate, a pair of pushing rods are arranged in the vertical plate, the pushing rods are movably connected with the vertical plate, a buffer plate is arranged at the head of the pushing rod, and the buffer plate is positioned at the front of the racks.
Description
Technical Field
The utility model relates to the field of coal mining, in particular to a deceleration limiting device based on a coal mining machine.
Background
The coal mining machine is a coal mining machine which breaks down coal from a coal body by a working mechanism on a long-wall coal mining working face and is arranged in a working face conveyor (coal charging), the coal mining machine is one of important equipment for realizing the mechanization and modernization of coal mine production, the manual labor can be lightened, the safety is improved, the purposes of high yield, high efficiency and low consumption are achieved, the existing coal mining machine walks and shifts on a scraper conveyor, due to certain inertia in the movement process, the coal mining machine possibly exceeds a limit position due to inertia when the coal mining machine is stopped in a decelerating process, so that faults are caused, the normal operation of the coal mining machine is influenced, and inconvenience is caused.
Disclosure of utility model
The utility model mainly aims to provide a deceleration limiting device based on a coal mining machine, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a speed reduction stop device based on coal-winning machine, includes coal-winning machine main part and scraper conveyor, the coal-winning machine main part both ends are provided with the aircraft nose, coal-winning machine main part bottom both ends position all is provided with the frame, the coal-winning machine main part is located scraper conveyor top, scraper conveyor top both sides position all is provided with the flitch, the flitch top is provided with the clamp plate, clamp plate up end head position is provided with the riser, be provided with a pair of propelling rod in the riser, be swing joint between propelling rod and the riser, propelling rod head is provided with the buffer board, the buffer board is located frame place ahead position.
Preferably, the flitch and the pressing plate are fixed through welding, the flitch and the pressing plate are fixed through a screw rod and a scraper conveyor, and an anti-slip pad is arranged on the end face of one side of the buffer plate, which is close to the frame.
Preferably, the vertical plate and the pressing plate are integrated into a whole, a pair of through holes are formed between the front end face and the rear end face of the vertical plate, the pushing rod is movably installed in the through holes, a limiting sliding groove is formed in the upper end face of the pressing plate, a moving plate is movably arranged in the limiting sliding groove, and the tail of the pushing rod penetrates through the vertical plate and is fixedly connected with the moving plate.
Preferably, a ring piece is movably arranged in the middle of the outer ring of the pushing rod, a gasket is arranged at one end, close to the buffer plate, of the outer ring of the pushing rod, a spring is arranged between the ring piece and the gasket, and the ring piece is positioned at the outer side of the vertical plate.
Preferably, a rear plate is arranged at the tail part of the upper end surface of the pressing plate, the rear plate is fixed with the pressing plate through welding, and a reinforcing plate is arranged behind the rear plate.
Preferably, clamping plates are arranged at two sides of the front end surface of the rear plate, the clamping plates are fixed with the rear plate through welding, a rubber base plate is arranged between the clamping plates, the rear end surface of the rubber base plate is connected with the rear plate, and the width of the movable plate is equal to the distance between the two clamping plates.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the flitch and the pressing plate are arranged at the two sides above the scraper conveyor corresponding to the coal mining machine, the vertical plate and the pushing rod are further arranged, the pushing rod is used for providing a buffering effect for the buffer plate, so that the moved coal mining machine is effectively decelerated, faults caused by dislocation of the coal mining machine due to traction inertia are avoided, the rear plate and the clamping plate are arranged at the tail part above the pressing plate, the rubber backing plate is arranged between the clamping plates, the rubber backing plate is used for providing a secondary buffering effect for the moving plate, and the buffering and decelerating effect is enhanced, so that the coal mining machine can be stably stopped, and the situation that the limit position is exceeded is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of a flitch of the present utility model;
FIG. 3 is a schematic diagram of a mobile plate according to the present utility model;
FIG. 4 is a schematic view of a rubber mat according to the present utility model.
In the figure: 1. a coal cutter main body; 2. a scraper conveyor; 3. a machine head; 4. a frame; 5. pasting a board; 6. a pressing plate; 7. a vertical plate; 8. a propulsion rod; 9. a buffer plate; 10. an anti-slip pad; 11. a rear plate; 12. a rubber backing plate; 13. a moving plate; 14. limiting sliding grooves; 15. a reinforcing plate; 16. a through hole; 17. a ring piece; 18. a spring; 19. a gasket; 20. and (3) clamping plates.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a deceleration limiting device based on a coal mining machine comprises a coal mining machine main body 1 and a scraper conveyor 2, wherein machine heads 3 are arranged at two ends of the coal mining machine main body 1, a frame 4 is arranged at two ends of the bottom of the coal mining machine main body 1, the coal mining machine main body 1 is positioned above the scraper conveyor 2, a flitch 5 is arranged at two sides of the upper side of the scraper conveyor 2, a pressing plate 6 is arranged at the top of the flitch 5, a vertical plate 7 is arranged at the head part of the upper end face of the pressing plate 6, a pair of pushing rods 8 are arranged in the vertical plate 7, movable connection is arranged between the pushing rods 8 and the vertical plate 7, a buffer plate 9 is arranged at the head part of the pushing rods 8, and the buffer plate 9 is positioned at the front position of the frame 4.
In this embodiment, in order to ensure that the buffer plate 9 can stably move back and forth after being subjected to pressure, so as to provide stable buffer force, the flitch 5 and the pressing plate 6 are fixed by welding, the flitch 5 and the pressing plate 6 are fixed with the scraper conveyor 2 by a screw rod, an anti-slip pad 10 is arranged on one side end surface of the buffer plate 9, which is close to the frame 4, a member integrally formed by the vertical plate 7 and the pressing plate 6 is arranged between the front end surface and the rear end surface of the vertical plate 7, the push rod 8 is movably arranged in the through hole 16, the upper end surface of the pressing plate 6 is provided with a limiting chute 14, a movable plate 13 is movably arranged in the limiting chute 14, and the tail part of the push rod 8 passes through the vertical plate 7 and is fixedly connected with the movable plate 13;
In this embodiment, in order to enable the buffer plate 9 to provide a good rebound buffer force, thereby reducing the inertia force of the coal mining machine, and enabling the coal mining machine to quickly decelerate to reach a stable state, a ring piece 17 is movably arranged at the middle position of the outer ring of the push rod 8, a gasket 19 is arranged at one end of the outer ring of the push rod 8, which is close to the buffer plate 9, a spring 18 is arranged between the ring piece 17 and the gasket 19, and the ring piece 17 is positioned at the outer side of the vertical plate 7;
In the embodiment, in order to enhance the stability of the rear plate 11, the rear plate 11 is arranged at the tail part of the upper end surface of the pressing plate 6, the rear plate 11 is fixed with the pressing plate 6 through welding, and a reinforcing plate 15 is arranged behind the rear plate 11;
In this embodiment, in order to further provide a buffering effect, the spring 18 is prevented from being insufficient due to overlarge inertia force of the coal mining machine, clamping plates 20 are arranged at two sides of the front end face of the rear plate 11, the clamping plates 20 are fixed with the rear plate 11 through welding, a rubber backing plate 12 is arranged between the clamping plates 20, the rear end face of the rubber backing plate 12 is connected with the rear plate 11, the width of the movable plate 13 is equal to the distance between the two clamping plates 20, the rear plate 11 and the clamping plates 20 are arranged at the tail position above the pressing plate 6, the rubber backing plate 12 is arranged between the clamping plates 20, a secondary buffering effect is provided for the movable plate 13 by using the rubber backing plate 12, and a buffering and decelerating effect is enhanced, so that the coal mining machine can be stably stopped and the limit position is prevented from being exceeded.
It should be noted that, in practical use, the utility model is a deceleration limiting device based on a coal mining machine, according to a preset position design, a plurality of structural members such as a flitch 5, a pressing plate 6, a buffer plate 9 and the like are additionally arranged on a scraper conveyor 2, a coal mining machine main body 1 moves above the scraper conveyor 2, after the coal mining machine main body 1 quickly reaches the preset position, gradually decelerates and simultaneously gradually moves towards the buffer plate 9 under the action of inertia, a frame 4 at the bottom of the coal mining machine main body 1 contacts with an anti-slip pad 10, pushes the buffer plate 9 at the rear to move, the buffer plate 9 drives a pushing rod 8 to move, the pushing rod 8 slides along a through hole 16, meanwhile, a ring piece 17 is blocked by the vertical plate 7, so that relative movement is generated between the ring piece 17 and the pushing rod 8, and a connected spring 18 is extruded, the spring 18 is compressed after being pressed, so that stable elastic force is provided for buffering, the frame 4 starts to decelerate and acts on the coal mining machine main body 1, the coal mining machine main body 1 is enabled to decelerate more stably, further, when the inertia force is large, the spring 18 is compressed to a larger degree, the pushing rod 8 drives the moving plate 13 to move simultaneously until the moving plate 13 contacts with the rubber cushion plate 12 between the clamping plates 20, then the moving plate 13 continues to move and presses the rubber cushion plate 12, the rubber cushion plate 12 generates certain compression deformation, so that stronger buffering performance is provided, the coal mining machine main body 1 can decelerate and stop stably and effectively, faults caused by exceeding a limiting position are avoided, the coal mining machine main body 1 can move stably to a preset range, and stable operation of coal mining operation is guaranteed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a speed reduction stop device based on coal-winning machine, includes coal-winning machine main part (1) and scraper conveyor (2), coal-winning machine main part (1) both ends are provided with aircraft nose (3), coal-winning machine main part (1) bottom both ends position all is provided with frame (4), coal-winning machine main part (1) are located scraper conveyor (2) top, its characterized in that: the scraper conveyor is characterized in that flitch (5) are arranged at two sides above the scraper conveyor (2), a pressing plate (6) is arranged at the top of the flitch (5), a vertical plate (7) is arranged at the head part of the upper end face of the pressing plate (6), a pair of pushing rods (8) are arranged in the vertical plate (7), the pushing rods (8) are movably connected with the vertical plate (7), a buffer plate (9) is arranged at the head part of the pushing rods (8), and the buffer plate (9) is arranged at the front position of the frame (4).
2. The deceleration limiting apparatus based on a coal mining machine of claim 1, wherein: the anti-slip device is characterized in that the flitch (5) and the pressing plate (6) are fixed through welding, the flitch (5) and the pressing plate (6) are fixed with the scraper conveyor (2) through screws, and an anti-slip pad (10) is arranged on the end face, close to the frame (4), of the buffer plate (9).
3. The deceleration limiting apparatus based on a coal mining machine of claim 1, wherein: the utility model discloses a vertical plate (7) with clamp plate (6) are component as an organic whole, be provided with a pair of through-hole (16) between terminal surface around riser (7), propulsion pole (8) movable mounting is in through-hole (16), clamp plate (6) up end is provided with spacing spout (14), spacing spout (14) internal activity is provided with movable plate (13), propulsion pole (8) afterbody passes riser (7) and with movable plate (13) fixed connection.
4. A deceleration limiting arrangement based on a shearer of claim 3, wherein: the middle part of the outer ring of the pushing rod (8) is movably provided with a ring piece (17), one end, close to the buffer plate (9), of the outer ring of the pushing rod (8) is provided with a gasket (19), a spring (18) is arranged between the ring piece (17) and the gasket (19), and the ring piece (17) is located at the outer side of the vertical plate (7).
5. The deceleration limiting apparatus based on coal mining machine of claim 4, wherein: the rear plate (11) is arranged at the tail part of the upper end face of the pressing plate (6), the rear plate (11) is fixed with the pressing plate (6) through welding, and a reinforcing plate (15) is arranged behind the rear plate (11).
6. The deceleration limiting apparatus based on coal mining machine of claim 5, wherein: the novel movable plate is characterized in that clamping plates (20) are arranged at two sides of the front end face of the rear plate (11), the clamping plates (20) are fixed with the rear plate (11) through welding, a rubber base plate (12) is arranged between the clamping plates (20), the rear end face of the rubber base plate (12) is connected with the rear plate (11), and the width of the movable plate (13) is equal to the distance between the two clamping plates (20).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221277729U true CN221277729U (en) | 2024-07-05 |
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| GR01 | Patent grant |