CN220302585U - Disc type mining truck braking device - Google Patents
Disc type mining truck braking device Download PDFInfo
- Publication number
- CN220302585U CN220302585U CN202322104753.4U CN202322104753U CN220302585U CN 220302585 U CN220302585 U CN 220302585U CN 202322104753 U CN202322104753 U CN 202322104753U CN 220302585 U CN220302585 U CN 220302585U
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- China
- Prior art keywords
- shell
- shaft head
- hub shaft
- seat body
- spring seat
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- 238000005065 mining Methods 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
A disc type mining truck braking device comprises a hub shaft head, a transmission shaft of vehicle equipment is fixedly connected with the hub shaft head, a shell body is further arranged in the center of the shell body, the left part of the hub shaft head stretches into the hole and is rotationally connected with the hole, a spring seat body is arranged in an inner cavity of the shell body, and a pressure oil cavity is formed by surrounding the spring seat body, the left part of the hub shaft head and the inner wall of the shell body; the pressure oil cavity is internally provided with a plurality of moving plates and static plates which are arranged at intervals, the moving plates are sleeved on the left part of the hub shaft head and are in sliding fit with the hub shaft head, and the static plates are in sliding fit with the shell; a spring for pushing the spring seat body rightwards to keep the moving plate in contact with the static plate is also arranged in the shell; and the shell is provided with an oiling pore canal communicated with the pressure oil cavity. The utility model adopts disc brake, and can effectively conduct braking force through a gear structure, and meanwhile, the utility model is in a braking state by default, thereby greatly improving the safety of operation of vehicle equipment.
Description
Technical Field
The utility model relates to mechanical equipment for mining vehicles, in particular to a disc type mining truck braking device.
Background
In the present mine mining operation, due to the high complexity of the working environment and the high working strength, the stable and reliable operation of the vehicle equipment is put at the first place, the occurrence of faults is difficult to avoid in the operation process of the vehicle equipment, and when faults occur, the running vehicle equipment can be stopped in time, so that the further expansion of the faults can be avoided.
At present, the used mine vehicle equipment generally adopts a drum brake device, however, under the environment of an underground mine, the temperature is higher and the air circulation is not smooth, so that the problem of the reduction of the braking effect caused by the fact that the traditional drum brake device cannot timely dissipate heat can occur, and serious hidden danger can be generated on the production safety.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a disc type mining truck braking device so as to improve the braking reliability of mining vehicle equipment and avoid various safety accidents caused by insufficient braking capability.
In order to solve the problems, the utility model adopts the following technical scheme:
the disc type mining truck braking device comprises a hub shaft head, a transmission shaft of vehicle equipment is fixedly connected with the hub shaft head, and is characterized by further comprising a shell, wherein a circular hole is formed in the center of the shell, and the left part of the hub shaft head extends into the hole and is rotationally connected with the hole; a spring seat body is arranged in the inner cavity of the shell, and a pressure oil cavity is formed by surrounding the spring seat body, the left part of the hub axle head and the inner wall of the shell; the pressure oil cavity is internally provided with a plurality of moving plates and static plates which are arranged at intervals, the moving plates are sleeved on the left part of the hub shaft head and are in sliding fit with the hub shaft head, and the static plates are in sliding fit with the shell; a spring for pushing the spring seat body rightwards to keep the moving plate in contact with the static plate is also arranged in the shell; the shell is provided with a pressure oil cavity which is communicated with the pressure oil cavity.
Preferably, the shell is formed by fixedly connecting a front shell, a middle shell and a gland, wherein the front shell, the middle shell and the gland are fixed on vehicle equipment.
Preferably, a disc mining truck arresting gear, its characterized in that: and inner teeth matched with the outer teeth on the outer circular surface of the static plate are arranged on the inner side wall of the front shell.
Preferably, a disc mining truck arresting gear, its characterized in that: a second sealing ring is arranged at the rotary joint of the front shell and the hub spindle head; a second sealing ring is arranged between the spring seat body and the left part of the hub axle head; and a first sealing ring is arranged between the inner wall of the middle shell and the spring seat body.
Preferably, a disc mining truck arresting gear, its characterized in that: the gland is provided with an oil pressure detection hole connected with the oil injection pore canal.
Preferably, a disc mining truck arresting gear, its characterized in that: one end of the spring is contacted with the gland, and the other end of the spring is contacted with the spring seat body.
Preferably, the inner teeth matched with the outer teeth on the left part of the hub spindle head are arranged at the center hole of the moving plate.
The utility model has the positive effects that:
the device is provided with a plurality of static plates and moving plates, so that the contact area of a friction surface is greatly increased, and further, an effective braking effect can be provided. And the static plate and the moving plate are positioned in the brake fluid, so that waste heat generated during braking is dissipated, and the reliability of the braking capacity of the device is further improved.
The second device is braked by the elastic force of the spring, and can be automatically in a braking state under the condition of no starting or failure of the hydraulic device, so that the safety of the vehicle equipment in the use process is ensured.
Third, quiet piece passes through gear structure and anterior shell fixed connection, can evenly conduct the braking force, avoids local atress inequality to cause brake equipment and vehicle equipment to appear breaking off the problem, has improved the reliability of braking ability, and gear connection's simple structure, the maintenance of being convenient for, occupation space is little.
Drawings
Fig. 1 is a schematic side sectional structure of the present utility model.
Fig. 2 is a schematic elevational view of the present utility model.
In the figure: 1. the hydraulic oil pressure testing device comprises a front shell, a middle shell, a gland, a fixing bolt, a spring, a first sealing ring, a spring seat body, a second sealing ring, a moving plate, a static plate, an end gasket, a hub shaft head and an oil pressure testing hole.
Description of the embodiments
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1 and 2, the embodiment of the present utility model includes a housing having a circular hole formed at the center thereof, and a left portion of a hub axle head 12 extending into and rotatably coupled to the hole; a spring seat body 7 is arranged in the inner cavity of the shell, the shell is formed by fixedly connecting a front shell 1, a middle shell 2 and a gland 3 which are fixed on vehicle equipment through a fixing bolt 4, and a second sealing ring 8 is arranged at the rotary joint of the front shell 1 and a hub shaft head 12; a second sealing ring 8 is arranged between the spring seat body 7 and the left part of the hub spindle head 12; a sealing ring I6 is arranged between the inner wall of the middle shell 2 and the spring seat body 7, the left part of the hub axle head 12 and the inner wall of the front shell 1 form a sealed pressure oil cavity together, and an oiling pore canal leading from the inside to the outside of the shell is also arranged on the shell; the inside of the shell is provided with a moving plate 9 and a static plate 10; the inside spring 5 and the spring holder body 7 of still being provided with of casing, the spring holder body 7 can be in the inside horizontal slip of casing, and one end can contact with the casing interior bottom surface, and the other end can contact with moving plate 9.
Further, the front shell 1 is fixedly connected with vehicle equipment, and an end gasket 11 is arranged on the inner bottom surface of the front shell 1; an inner gear ring is arranged on the inner side wall of the front shell 1; the edge of the static piece 10 is provided with an outer gear ring which is connected with the gear ring gear on the inner side wall of the front shell 1, and the static piece 10 can horizontally slide on the inner side wall of the front shell 1; the sealing ring II 8 for rotary sealing is arranged at the contact part of the front shell 1 and the hub spindle head 12, and the design aims at: the end pad 11 can provide greater friction, enhance braking effect and prevent abrasion of the inner bottom surface of the front case 1; the gear connection can enable the front housing 1 to be uniformly stressed, so that the problem that the device breaks and falls off from equipment due to uneven stress is avoided.
Further, a through hole is formed in the center of the hub axle head 12, and a transmission shaft of vehicle equipment penetrates through the through hole and is fixedly connected with the hub axle head 12; the outer side face of one end of the hub shaft head 12 is provided with an outer gear ring, the center of the moving plate 9 is provided with an inner gear ring which is connected with the outer gear ring of the outer side face of the hub shaft head 12 in a gear mode, and the moving plate 9 can horizontally slide on the outer side wall of the hub shaft head 12.
Further, one end of the spring 5 is contacted with the inner bottom surface of the gland 3, and the other end is contacted with the inner bottom surface of the spring seat body 7; the outer side surface of the spring seat body 7 is in sliding contact with the front middle shell 2, and a protrusion for limiting is arranged on the outer side surface of the spring seat body 7; the inner side surface of the middle shell 2 is in sliding contact with the outer side surface of the spring seat body 7, and a bulge for limiting is arranged on the inner side surface of the middle shell 2; the sealing ring I6 is also installed to middle part shell 2 medial surface, the purpose of design like this is, preceding shell body, wheel hub spindle nose 12 and spring holder body 7 have formed confined space jointly, there is brake fluid in the space, promote spring holder body 7 through hydraulic drive and remove compression spring 5, play the effect of releasing the braking, make brake fluid release backward flow through the electromagnetic directional valve during the braking, spring 5 promotes spring holder body 7 opposite direction and removes, spring holder body 7 and moving sheet 9 contact, play the effect of braking, the protruding on the lateral wall of spring holder body 7 and the protruding on the inside wall of middle part shell 2 for prevent spring holder body 7 to continue to remove after contacting, play spacing purpose.
Further, the gland 3 is provided with a hydraulic detection hole 13 communicating with the oil injection hole, and the hydraulic detection device is mounted on the hydraulic detection hole 13 to monitor the pressure of the brake fluid.
The following is an example of the procedure used in the embodiments of the present utility model.
After the device is arranged on equipment, the spring 5 pushes the spring seat body 7 to contact the moving plate 9 by elasticity, and the moving plate 9 is displaced to contact the static plate 10 to generate friction braking force, so the device is in a braking state in a default state.
After the device brake switch is operated, brake fluid enters the device from the oiling pore canal, the pressure in the device is increased, the spring seat body 7 is pushed to move horizontally, the spring 5 is enabled to generate compression deformation, the spring seat body 7 does not generate pressure on the moving plate 9, the moving plate 9 rotates along with the device transmission shaft through the hub shaft head 12, the moving plate 9 is separated from the static plate 10, braking force is eliminated, and the device can run normally.
When the oil pressure in the device is insufficient due to leakage of brake fluid in the device or other reasons, the spring 5 is restored, the spring seat body 7 is pushed to be contacted with the moving plate 9 again, braking force is generated again, and running of the device is stopped.
The static plate and the moving plate are both in the brake fluid in a braking state or a normal running state, so that waste heat generated during braking is dissipated, and the reliability of the braking capacity of the device is improved.
Claims (7)
1. The disc type mining truck braking device comprises a hub shaft head (12), and a transmission shaft of vehicle equipment is fixedly connected with the hub shaft head (12), and is characterized by further comprising a shell, wherein a circular hole is formed in the center of the shell, and the left part of the hub shaft head (12) extends into the hole and is rotationally connected with the hole; a spring seat body (7) is arranged in the inner cavity of the shell, and a pressure oil cavity is formed by the spring seat body (7), the left part of the hub axle head (12) and the inner wall of the shell in a surrounding mode; a plurality of moving plates (9) and static plates (10) which are arranged at intervals are arranged in the pressure oil cavity, the moving plates (9) are sleeved on the left part of the hub shaft head (12) and are in sliding fit with the hub shaft head (12), and the static plates (10) are in sliding fit with the shell; a spring (5) for pushing the spring seat body (7) rightward so as to keep the moving plate (9) in contact with the static plate (10) is also arranged in the shell; and the shell is provided with an oiling pore canal communicated with the pressure oil cavity.
2. The disc mining truck braking device of claim 1, wherein: the shell is formed by fixedly connecting a front shell (1), a middle shell (2) and a gland (3) which are fixed on vehicle equipment.
3. A disc mining truck braking device as defined in claim 2, wherein: the inner side wall of the front shell (1) is provided with inner teeth matched with the outer teeth on the outer circular surface of the static plate (10).
4. A disc mining truck braking device as defined in claim 2, wherein: a second sealing ring (8) is arranged at the rotary joint of the front shell (1) and the hub shaft head (12) and between the spring seat body (7) and the left part of the hub shaft head (12); a first sealing ring (6) is arranged between the inner wall of the middle shell (2) and the spring seat body (7).
5. A disc mining truck braking device as defined in claim 2, wherein: an oil pressure detection hole (13) connected with the oil filling hole is formed in the gland (3).
6. A disc mining truck braking device as defined in claim 2, wherein: one end of the spring (5) is contacted with the gland (3), and the other end is contacted with the spring seat body (7).
7. The disc mining truck braking device of claim 1, wherein: an inner tooth matched with the outer tooth on the left part of the hub spindle head (12) is arranged at the center hole of the moving plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104753.4U CN220302585U (en) | 2023-08-07 | 2023-08-07 | Disc type mining truck braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104753.4U CN220302585U (en) | 2023-08-07 | 2023-08-07 | Disc type mining truck braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302585U true CN220302585U (en) | 2024-01-05 |
Family
ID=89352752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322104753.4U Active CN220302585U (en) | 2023-08-07 | 2023-08-07 | Disc type mining truck braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302585U (en) |
-
2023
- 2023-08-07 CN CN202322104753.4U patent/CN220302585U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |