CN216269194U - Wet-type multi-disc failure safety type work brake device of trackless rubber-tyred vehicle - Google Patents
Wet-type multi-disc failure safety type work brake device of trackless rubber-tyred vehicle Download PDFInfo
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- CN216269194U CN216269194U CN202122886422.1U CN202122886422U CN216269194U CN 216269194 U CN216269194 U CN 216269194U CN 202122886422 U CN202122886422 U CN 202122886422U CN 216269194 U CN216269194 U CN 216269194U
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Abstract
The utility model discloses a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle, which relates to the technical field of mining mechanical equipment.
Description
Technical Field
The utility model relates to the technical field of mining mechanical equipment, in particular to a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle.
Background
The trackless rubber-tyred vehicle comprises a container and a vehicle head, can realize direct transportation without transshipment from the ground to a working surface of a mining area or from a wellhead to the working surface of the mining area after once loading, and has high transportation speed and large transportation capacity, thereby greatly saving auxiliary transportation personnel and improving the transportation efficiency.
The working brake of the mining trackless rubber-tyred vehicle generally adopts a wet brake, the wet brake widely used by the trackless rubber-tyred vehicle at present is a wet multi-disc hydraulic brake, and has strong dependence on the reliability and stability of a hydraulic system, once a hydraulic source, a hydraulic pipeline, a hydraulic valve group or a hydraulic energy storage device has fault leakage, the vehicle can have brake failure or brake inflexibility, and after the brake is used for a long time, the friction between a brake shell and a brake piston can also cause the leakage of hydraulic oil, and the piston is often vibrated and abraded by the action of external force, so that the brake effect can also be influenced, therefore, the trackless rubber-tyred vehicle wet multi-disc failure safety working brake device is required to be provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model discloses a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a trackless rubber-tyred car wet-type polydisc safe type work arresting gear that fails, includes:
the outer surface of the rotating shaft is sleeved with a shaft sleeve, the rotating shaft is rotatably connected with the shaft sleeve, a hub is fixedly arranged at the tail end of the rotating shaft, and an outer connecting shaft is movably arranged at one end, close to the hub, of the shaft sleeve;
the installation shell, the axle sleeve is kept away from the fixed installation shell that is provided with in the wheel hub one end outside, the inboard activity of installation shell is provided with the piston, the mounting groove has been seted up in the installation shell, the activity is provided with spacing post in the mounting groove, spacing post surface cover is equipped with the spring, spacing post front end and piston fixed connection, the piston outside is provided with the tight pulley, form the pressurizing clearance between tight pulley and the piston, the tight pulley is kept away from the fixed cover that is provided with of installation shell one end, form the installation cavity between tight pulley and the fixed cover, be provided with static friction piece and dynamic friction piece in the installation cavity.
Preferably, the hub is fixedly connected with the external connecting shaft through a fixing screw, and the inner side of the external connecting shaft is movably connected with the shaft sleeve through a bearing.
Preferably, a sealing groove is formed in the inner side, close to the piston, of the fixed wheel, a sealing assembly is arranged in the sealing groove and comprises a ball, a movable supporting plate and an arc-shaped elastic sheet, and a sealing ring is arranged on one side of the ball.
Preferably, the upper end of the ball is in movable contact with the outer surface of the piston, the movable support plate is movably arranged at the lower end of the ball, the arc-shaped elastic sheet is arranged on the lower end surface of the movable support plate, and the lower end of the arc-shaped elastic sheet is fixedly connected with the bottom surface of the sealing groove.
Preferably, one end, far away from the installation shell, of the piston is fixedly provided with a pressing plate, the pressing plate is movably arranged inside the installation cavity, the stationary wheel is provided with an oil inlet, and one side, far away from the oil inlet, of the stationary wheel is provided with an oil outlet.
Preferably, a pressurizing opening is formed in one side of the oil inlet on the stationary wheel and communicated with the pressurizing gap, and an O-shaped ring is arranged at the joint of the outer connecting shaft and the inner side of the piston.
The utility model discloses a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle, which has the following beneficial effects:
1. this trackless rubber-tyred car wet-type polydisc safe type work arresting gear that loses efficacy, when piston activity in-process, rotate through the ball, effectively reduce frictional force, simultaneously, rotate through the ball, effectively provide lubricating oil for the piston, further reduce the frictional force between sealing washer and the piston, effectively guarantee the leakproofness between quiet wheel and the piston.
2. This trackless rubber-tyred car wet-type polydisc safe type work arresting gear that became invalid receives the exogenic action as the piston, through ball inside extrusion fly leaf and arc shell fragment, and then the shrink, effective buffering effort avoids damaging.
Drawings
FIG. 1 is a cross-sectional view of a front view of the body of the present invention;
FIG. 2 is a cross-sectional view of the piston and stator junction of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2 at B in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at C according to the present invention.
In the figure: 1. a rotating shaft; 2. a shaft sleeve; 3. mounting a shell; 301. mounting grooves; 302. a limiting column; 303. A spring; 4. a stationary wheel; 401. an oil inlet; 402. an oil outlet; 403. a pressurizing port; 404. a sealing groove; 5. a piston; 501. a pressing plate; 6. a seal assembly; 601. a ball bearing; 602. a movable support plate; 603. an arc-shaped elastic sheet; 604. a seal ring; 7. a charging gap; 8. a mounting cavity; 9. a static friction plate; 10. a dynamic friction plate; 11. an O-shaped ring; 12. an outer connecting shaft; 13. a hub; 14. and a bearing.
Detailed Description
The embodiment of the utility model discloses a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle, which comprises a rotating shaft 1, wherein a shaft sleeve 2 is sleeved on the outer surface of the rotating shaft 1, the rotating shaft 1 is rotatably connected with the shaft sleeve 2, a hub 13 is fixedly arranged at the tail end of the rotating shaft 1, and an external connecting shaft 12 is movably arranged at one end, close to the hub 13, of the shaft sleeve 2;
the device is still including installation shell 3 simultaneously, axle sleeve 2 is kept away from the fixed installation shell 3 that is provided with in 13 one end outsides of wheel hub, the inboard activity of installation shell 3 is provided with piston 5, mounting groove 301 has been seted up in the installation shell 3, the activity is provided with spacing post 302 in the mounting groove 301, spacing post 302 surface cover is equipped with spring 303, spacing post 302 front end and piston 5 fixed connection, the piston 5 outside is provided with quiet wheel 4, form between quiet wheel 4 and the piston 5 and pressurize clearance 7, quiet wheel 4 is kept away from the fixed cover that is provided with of installation shell 3 one end, form installation cavity 8 between quiet wheel 4 and the fixed cover, be provided with quiet friction disc 9 and dynamic friction disc 10 in the installation cavity 8.
According to the attached drawing 1, the hub 13 is fixedly connected with the external connecting shaft 12 through a fixing screw, the inner side of the external connecting shaft 12 is movably connected with the shaft sleeve 2 through the bearing 14, the stability between the hub 13 and the external connecting shaft 12 is effectively guaranteed, the movable connection between the external connecting shaft 12 and the shaft sleeve 2 is effectively guaranteed through the bearing 14, and the relative stability between the external connecting shaft 12 and the shaft sleeve 2 is effectively guaranteed.
According to the attached drawings 2 and 4, a sealing groove 404 is formed on the inner side of the stationary wheel 4 close to the piston 5, a sealing assembly 6 is arranged in the sealing groove 404, the sealing assembly 6 comprises a ball 601, a movable supporting plate 602 and an arc-shaped elastic sheet 603, a sealing ring 604 is arranged on one side of the ball 601, the upper end of the ball 601 is movably contacted with the outer surface of the piston 5, the movable supporting plate 602 is movably arranged at the lower end of the ball 601, the arc-shaped elastic sheet 603 is arranged on the lower end surface of the movable supporting plate 602, the lower end of the arc-shaped elastic sheet 603 is fixedly connected with the bottom surface of the sealing groove 404, when the piston 5 moves, the friction force is effectively reduced by the rotation of the ball 601, meanwhile, lubricating oil is effectively provided for the piston 5 by the rotation of the ball 601, the friction force between the sealing ring 604 and the piston 5 is further reduced, the sealing performance between the stationary wheel 4 and the piston 5 is effectively ensured, when the piston 5 is acted by external force, the ball 601 inwardly presses the movable supporting plate 602 and the arc-shaped elastic sheet 603, and then shrink, effective buffering effort avoids damaging.
According to the drawing 1 show, piston 5 keeps away from that 3 one end of installation shell is fixed to be provided with and presses pressure board 501, presses pressure board 501 activity to set up inside installation cavity 8, has seted up oil inlet 401 on quiet wheel 4, deviates from oil inlet 401 one side on quiet wheel 4 and has seted up oil-out 402, through being provided with oil inlet 401 and oil-out 402, the business turn over of effective control hydraulic oil.
According to the attached drawings 1 and 5, a pressurizing opening 403 is formed in one side of an oil inlet 401 on the stationary wheel 4, the pressurizing opening 403 is communicated with a pressurizing gap 7, an O-shaped ring 11 is arranged at the joint of the outer connecting shaft 12 and the inner side of the piston 5, and the O-shaped ring 11 is arranged, so that the sealing performance between the outer connecting shaft 12 and the piston 5 is effectively guaranteed, and the leakage of hydraulic oil is avoided.
The working principle is as follows: the utility model discloses a wet-type multi-disc failure safety type work brake device of a trackless rubber-tyred vehicle, when the trackless rubber-tyred vehicle is in a walking state, high-pressure oil is filled into a pressurizing gap 7 through a pressurizing port 403, a piston 5 and a limiting column 302 are effectively driven to move leftwards, a spring 303 is effectively compressed, when the trackless rubber-tyred vehicle is braked, the high-pressure oil in the pressurizing gap 7 is discharged, the spring 303 effectively drives the piston 5 to move rightwards, and a pressing plate 501 effectively extrudes a static friction plate 9 to form braking;
meanwhile, in the process of the movement of the piston 5, the ball 601 rotates, friction force is effectively reduced, meanwhile, the ball 601 rotates, lubricating oil is effectively provided for the piston 5, the friction force between the sealing ring 604 and the piston 5 is further reduced, the sealing performance between the static wheel 4 and the piston 5 is effectively guaranteed, when the piston 5 is acted by external force, the movable supporting plate 602 and the arc-shaped elastic sheet 603 are inwards extruded through the ball 601, and then the piston contracts, effectively buffers acting force, and avoids damage.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a trackless rubber-tyred car wet-type polydisc safe type work arresting gear that fails which characterized in that includes:
the rotating shaft comprises a rotating shaft (1), wherein a shaft sleeve (2) is sleeved on the outer surface of the rotating shaft (1), the rotating shaft (1) is rotatably connected with the shaft sleeve (2), a hub (13) is fixedly arranged at the tail end of the rotating shaft (1), and an external connecting shaft (12) is movably arranged at one end, close to the hub (13), of the shaft sleeve (2);
a mounting shell (3), the mounting shell (3) is fixedly arranged on the outer side of one end of the shaft sleeve (2) far away from the wheel hub (13), a piston (5) is movably arranged on the inner side of the mounting shell (3), a mounting groove (301) is arranged in the mounting shell (3), a limiting column (302) is movably arranged in the mounting groove (301), a spring (303) is sleeved on the outer surface of the limiting column (302), the front end of the limit column (302) is fixedly connected with a piston (5), a static wheel (4) is arranged on the outer side of the piston (5), a pressurizing gap (7) is formed between the static wheel (4) and the piston (5), a fixed cover is fixedly arranged at one end of the static wheel (4) far away from the installation shell (3), an installation cavity (8) is formed between the static wheel (4) and the fixed cover, and a static friction plate (9) and a dynamic friction plate (10) are arranged in the installation cavity (8).
2. The wet-type multi-disc failure safety type work brake device of the trackless rubber-tyred vehicle of claim 1, characterized in that: the hub (13) is fixedly connected with the external connecting shaft (12) through a fixing screw, and the inner side of the external connecting shaft (12) is movably connected with the shaft sleeve (2) through a bearing (14).
3. The wet-type multi-disc failure safety type work brake device of the trackless rubber-tyred vehicle of claim 1, characterized in that: the inner side of the fixed wheel (4) close to the piston (5) is provided with a sealing groove (404), a sealing assembly (6) is arranged in the sealing groove (404), the sealing assembly (6) comprises a ball (601), a movable supporting plate (602) and an arc-shaped elastic sheet (603), and a sealing ring (604) is arranged on one side of the ball (601).
4. The wet-type multi-disc failure safety type work brake device of the trackless rubber-tyred vehicle of claim 3, characterized in that: ball (601) upper end and piston (5) surface movable contact, activity backup pad (602) activity sets up in ball (601) lower extreme, arc shell fragment (603) set up in activity backup pad (602) lower extreme surface, arc shell fragment (603) lower extreme and seal groove (404) bottom surface fixed connection.
5. The wet-type multi-disc failure safety type work brake device of the trackless rubber-tyred vehicle of claim 1, characterized in that: piston (5) are kept away from installation shell (3) one end and are fixedly provided with and press pressure board (501), press pressure board (501) activity to set up inside installation cavity (8), oil inlet (401) have been seted up on quiet wheel (4), oil-out (402) have been seted up to the side of deviating from oil inlet (401) on quiet wheel (4).
6. The wet-type multi-disc failure safety type work brake device of the trackless rubber-tyred vehicle of claim 5, characterized in that: one side of the oil inlet (401) on the static wheel (4) is provided with a pressurizing opening (403), the pressurizing opening (403) is communicated with the pressurizing gap (7), and an O-shaped ring (11) is arranged at the joint of the outer connecting shaft (12) and the inner side of the piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886422.1U CN216269194U (en) | 2021-11-19 | 2021-11-19 | Wet-type multi-disc failure safety type work brake device of trackless rubber-tyred vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886422.1U CN216269194U (en) | 2021-11-19 | 2021-11-19 | Wet-type multi-disc failure safety type work brake device of trackless rubber-tyred vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216269194U true CN216269194U (en) | 2022-04-12 |
Family
ID=81036161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122886422.1U Active CN216269194U (en) | 2021-11-19 | 2021-11-19 | Wet-type multi-disc failure safety type work brake device of trackless rubber-tyred vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216269194U (en) |
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2021
- 2021-11-19 CN CN202122886422.1U patent/CN216269194U/en active Active
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