CN218141532U - Colliery is combined and is adopted working face train fixing device - Google Patents
Colliery is combined and is adopted working face train fixing device Download PDFInfo
- Publication number
- CN218141532U CN218141532U CN202221300110.6U CN202221300110U CN218141532U CN 218141532 U CN218141532 U CN 218141532U CN 202221300110 U CN202221300110 U CN 202221300110U CN 218141532 U CN218141532 U CN 218141532U
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- wheel
- fixing device
- bottom beam
- wheel shaft
- groove
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- 239000003245 coal Substances 0.000 claims abstract description 27
- 238000005065 mining Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 gangue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model relates to a coal mine fully mechanized coal mining face train fixing device, which comprises a vehicle body; the bottom of the vehicle body is provided with a vehicle frame; axles are arranged on two sides of the frame; the axletree on be provided with wheel body, its characterized in that: the bottom of the frame is also provided with a bottom beam; the bottom beam is provided with a driving part; wheel shafts are connected inside two sides of the bottom beam in a sliding manner; the end part of the wheel shaft is provided with an auxiliary wheel; the wheel body is connected with the surface of the track in a rolling way; a groove is formed in the inner side of the track; the wheel surface of the auxiliary wheel is connected in the groove in a rolling manner; the axle having a friction end; the friction end is contacted with or separated from the side wall of the groove; the wheel shaft is connected with the driving part through a transmission mechanism. When braking is needed, the oil cylinder drives the wedge-shaped block to descend, the wedge-shaped block pushes the wheel shaft to two sides, and the wheel shaft overcomes the pressure of the return spring, so that the friction end of the wheel shaft is in contact with the side wall of the groove, sliding friction is realized, and friction resistance is improved; the vehicle body braking is realized.
Description
Technical Field
The utility model belongs to a train fixing device, concretely relates to colliery is combined and is adopted working face train fixing device belongs to coal mine transportation equipment technical field.
Background
The fixed mine car is a main transportation device for transporting coal and gangue on the ground of a coal mine and in an underground tunnel. The short-distance transportation equipment is also a short-distance transportation device for materials such as elm sandy soil, stones and the like in other non-metallic ores and bridge construction, railway engineering, transportation and tunneling and other building transportation projects. The fixed mine car has the characteristics of simple structure, firmness, durability, resistance system, small production number, high bearing capacity, convenient maintenance and the like, and is mainly used for transporting coal, gangue, materials and the like on and under a coal mine well. It can also be used for transporting materials in other mines or underground engineering. It is generally composed of a wagon box, a frame, a wheel axle, a buffer and a connector. Because the mine car can run on the track at a high speed, in order to prevent the mine car from derailing, the prior art generally adopts a main wheel and an auxiliary wheel which are distributed up and down to fix the mine car on the track; and general mine car also can be equipped with braking structure, but current braking structure usually only installs the brake lining additional on the main wheel, carries out the braking to the main wheel, and this kind of mode braking effect is relatively poor and to the main wheel loss great, still needs parts such as independent external brake lining, and the structure is relatively fragile, and the cost is higher. Therefore, it is necessary to design a structure capable of braking by reasonably utilizing the sub-wheel structure.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an overcome the defect among the prior art and provide a colliery is combined and is adopted working face train fixing device, simple structure is reasonable, combines the automobile body to fix and brake, reduction in production cost shortens braking distance.
A fixing device for a coal mine fully-mechanized coal mining face train comprises a train body; the bottom of the vehicle body is provided with a vehicle frame; axles are arranged on two sides of the frame; the axletree on be provided with wheel body, its characterized in that: the bottom of the frame is also provided with a bottom beam; the bottom beam is provided with a driving part; wheel shafts are connected inside two sides of the bottom beam in a sliding manner; the end part of the wheel shaft is provided with an auxiliary wheel; the wheel body is connected with the surface of the track in a rolling way; a groove is formed in the inner side of the track; the wheel surface of the auxiliary wheel is connected in the groove in a rolling manner; the axle having a friction end; the friction end is contacted with or separated from the side wall of the groove; the wheel shaft is connected with the driving part through a transmission mechanism.
Preferably, the driving part is an oil cylinder arranged on the bottom beam; a through hole is formed in the bottom beam; the through holes are opened at two ends of the bottom beam; the wheel shaft is connected in the through hole in a sliding mode.
Preferably, the auxiliary wheel is rotationally connected to the wheel shaft; the friction end protrudes out of the outer end face of the auxiliary wheel; the inner side wall of the through hole is provided with a strip hole.
Preferably, the wheel shafts are symmetrically arranged on two sides of the through hole.
Preferably, the surface of the wheel shaft is provided with a limiting bulge; the limiting bulge is arranged in the strip hole in a sliding manner; and a return spring is arranged between the limiting bulge and the side wall of the strip hole.
Preferably, the transmission mechanism comprises a wedge block; the wedge-shaped block is fixedly arranged at the bottom end of the piston of the oil cylinder; the upper part of the bottom beam is provided with an opening relative to the wedge-shaped block.
Preferably, the wedge block is contacted with or separated from the ends of the two wheel shafts; the total length of the two axles is less than the length of the bottom beam.
Preferably, the return spring is compressed toward one side of the rail.
The utility model discloses possess following beneficial effect: the bottom beam is arranged at the bottom of the frame, and wheel shafts are arranged in the two sides of the bottom beam in a sliding manner; when the brake is not needed, the wheel axle can contract inwards under the action of the return spring, so that the friction end of the wheel axle is separated from the side wall of the groove, and the normal sliding of the vehicle body cannot be influenced; when braking is needed, the oil cylinder drives the wedge block to descend, the wedge block pushes the wheel shaft to two sides, and the wheel shaft overcomes the pressure of the return spring, so that the friction end of the wheel shaft is in contact with the side wall of the groove, sliding friction is realized, and friction resistance is improved; the vehicle body braking is realized. Through the utility model discloses, can prevent through auxiliary wheel and main round that the automobile body derails, the braking is realized to the accessible shaft again, and the structure is simple more reasonable, greatly reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a vehicle body.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is an enlarged schematic view of part a.
In the figure, 1 is a vehicle body, 2 is a vehicle frame, 3 is a wheel body, 4 is a bottom beam, 5 is a driving part, 6 is a wheel shaft, 6.1 is a friction end, 6.2 is a limiting protrusion, 7 is an auxiliary wheel, 8 is a track, 8.1 is a groove, 9 is a strip hole, 10 is a return spring, and 11 is a wedge-shaped block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 belong to the protection scope of the present invention.
Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.
Referring to fig. 1-3, a coal mine fully mechanized coal mining face train fixing device comprises a vehicle body 1; the bottom of the vehicle body 1 is provided with a vehicle frame 2; axles are arranged on two sides of the frame 2; the axletree on be provided with wheel body 3, its characterized in that: the bottom of the frame 1 is also provided with a bottom beam 4; the bottom beam 4 is provided with a driving part 5; the wheel shafts 6 are connected with the inner parts of the two sides of the bottom beam 4 in a sliding manner; the end part of the wheel shaft 6 is provided with an auxiliary wheel 7; the wheel body 3 is connected with the surface of the track 8 in a rolling way; a groove 8.1 is formed in the inner side of the track; the wheel surface of the auxiliary wheel 7 is connected in the groove 8.1 in a rolling manner; the axle 6 has a friction end 6.1; the friction end 6.1 is contacted with or separated from the side wall of the groove; the wheel shaft 6 is connected with the driving part 5 through a transmission mechanism.
Further, the driving part 5 is an oil cylinder arranged on the bottom beam 4; a through hole is formed in the bottom beam 4; the through holes are opened at two ends of the bottom beam 4; the wheel shaft 6 is connected in the through hole in a sliding mode.
In this embodiment, the horizontal position of the wheel shaft 6 is controlled to control whether the friction end of the wheel shaft contacts the side wall of the groove 8.1, and if braking is required, the wheel shaft is controlled to move outwards, so that the friction end contacts the side wall of the groove 8.1, and braking is realized.
Furthermore, the auxiliary wheel 7 is rotatably connected to the wheel shaft 6; the friction end 6.1 protrudes out of the outer end face of the auxiliary wheel 7; the inner side wall of the through hole is provided with a strip hole 9.
Furthermore, the wheel shafts 6 are symmetrically arranged on two sides of the through hole.
Furthermore, a limiting bulge 6.2 is arranged on the surface of the wheel shaft 6; the limiting bulge 6.2 is arranged in the strip hole 9 in a sliding manner; and a return spring 10 is arranged between the limiting bulge 6.2 and the side wall of the strip hole 9.
Furthermore, the transmission mechanism comprises a wedge block 11; the wedge block 11 is fixedly arranged at the bottom end of the piston of the oil cylinder; the upper part of the bottom beam is provided with an opening relative to the wedge-shaped block 11.
Further, the wedge-shaped block is contacted with or separated from the ends of the two wheel shafts; the total length of the two axles is less than the length of the bottom beam.
Further, the return spring is compressed toward one side of the rail.
The working principle is as follows: when the oil cylinder does not work and the wedge-shaped block does not move downwards, the two wheel shafts 6 are relatively closed inwards under the action of the return spring 10, so that the friction ends of the wheel shafts are separated from the side wall of the groove 8.1, and the vehicle body can normally run; after the oil cylinder works, the wheel shafts 6 can be pushed towards two sides along with the gradual descending of the wedge-shaped block, so that the two wheel shafts overcome the elastic force of the return spring to move outwards, and finally, the friction ends of the wheel shafts are in contact with the side wall of the groove, and the groove belongs to a part of the guide rail, so that the braking of the vehicle body relative to the guide rail can be realized.
Meanwhile, the auxiliary wheel on the wheel shaft can slide in the groove no matter what state the auxiliary wheel is in, and the auxiliary wheel and the wheel body can limit the vehicle body on the guide rail to prevent the vehicle body from derailing.
Finally, it is noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. A coal mine fully mechanized coal mining face train fixing device comprises a vehicle body; the bottom of the vehicle body is provided with a vehicle frame; axles are arranged on two sides of the frame; the axletree on be provided with wheel body, its characterized in that: the bottom of the frame is also provided with a bottom beam; the bottom beam is provided with a driving part; the wheel shafts are connected inside two sides of the bottom beam in a sliding manner; the end part of the wheel shaft is provided with an auxiliary wheel; the wheel body is connected with the surface of the track in a rolling way; a groove is formed in the inner side of the track; the wheel surface of the auxiliary wheel is connected in the groove in a rolling manner; the axle having a friction end; the friction end is contacted with or separated from the side wall of the groove; the wheel shaft is connected with the driving part through a transmission mechanism.
2. The coal mine fully mechanized coal mining face train fixing device of claim 1, wherein: the driving part is an oil cylinder arranged on the bottom beam; a through hole is formed in the bottom beam; the through holes are opened at two ends of the bottom beam; the wheel shaft is connected in the through hole in a sliding mode.
3. The coal mine fully mechanized coal mining face train fixing device of claim 2, wherein: the auxiliary wheel is rotationally connected to the wheel shaft; the friction end protrudes out of the outer end face of the auxiliary wheel; the inner side wall of the through hole is provided with a strip hole.
4. The coal mine fully mechanized coal mining face train fixing device of claim 3, wherein: the wheel shafts are symmetrically arranged on two sides of the through hole.
5. The coal mine fully mechanized coal mining face train fixing device of claim 4, wherein: the surface of the wheel shaft is provided with a limiting bulge; the limiting bulge is arranged in the strip hole in a sliding manner; and a return spring is arranged between the limiting bulge and the side wall of the strip hole.
6. The coal mine fully mechanized coal mining face train fixing device according to claim 5, wherein: the transmission mechanism comprises a wedge-shaped block; the wedge-shaped block is fixedly arranged at the bottom end of the piston of the oil cylinder; the upper part of the bottom beam is provided with an opening relative to the wedge-shaped block.
7. The coal mine fully mechanized coal mining face train fixing device of claim 6, wherein: the wedge-shaped block is contacted with or separated from the ends of the two wheel shafts; the total length of the two axles is less than the length of the bottom beam.
8. The coal mine fully mechanized coal mining face train fixing device of claim 5, wherein: the return spring compresses towards one side of the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300110.6U CN218141532U (en) | 2022-05-27 | 2022-05-27 | Colliery is combined and is adopted working face train fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300110.6U CN218141532U (en) | 2022-05-27 | 2022-05-27 | Colliery is combined and is adopted working face train fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218141532U true CN218141532U (en) | 2022-12-27 |
Family
ID=84574866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221300110.6U Expired - Fee Related CN218141532U (en) | 2022-05-27 | 2022-05-27 | Colliery is combined and is adopted working face train fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218141532U (en) |
-
2022
- 2022-05-27 CN CN202221300110.6U patent/CN218141532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221227 |