CN215861426U - Double-disc brake for truck - Google Patents
Double-disc brake for truck Download PDFInfo
- Publication number
- CN215861426U CN215861426U CN202122282727.1U CN202122282727U CN215861426U CN 215861426 U CN215861426 U CN 215861426U CN 202122282727 U CN202122282727 U CN 202122282727U CN 215861426 U CN215861426 U CN 215861426U
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- piston
- brake
- disc
- piston assembly
- double
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- 239000003921 oil Substances 0.000 claims description 35
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a double-disc brake of a truck, which comprises a brake caliper, wherein the brake caliper comprises a first piston assembly and a second piston assembly, a first piston cavity is arranged in the first piston assembly, a first piston is arranged in the first piston cavity, an oil body is arranged in the first piston cavity, one end of the first piston penetrates out of a shell of the first piston assembly and is fixedly connected with a first reset rubber hose, the first piston cavity in the first piston assembly is communicated with an oil pump through a first oil inlet, and the first reset rubber hose is fixedly connected with a brake beam. The heat dissipation is accelerated, and the braking efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a double-disc brake for a truck.
Background
The improvement of the engine power enables the running speed of modern commercial automobiles to be improved to a speed level close to that of a medium-class car, but when the automobiles need braking in an emergency, the automobiles are in a disadvantageous position, and compared with other automobiles, the automobiles are difficult to brake due to the fact that the mass of the automobiles is larger, so that the problem that the braking efficiency of an original braking system is challenged and is an important factor for ensuring the driving safety is brought forward;
nowadays, disc brakes are widely applied to family cars, but the disc brakes are easy to generate insufficient braking force for trucks to cause traffic accidents, the disc brakes are fast in heat dissipation, light in weight and simple in structure, and the disc brakes are easier to dissipate heat in a shorter time than drum brakes to reduce the braking thermal failure. However, the disc brake has its own drawbacks, in that the friction plate has a small area and a relatively small friction working surface, and therefore requires a high brake fluid pressure, and it is necessary to use the disc brake in a vehicle using an assist device. For trucks, the braking force of the disc brake is not enough, so the double-disc structure can effectively overcome the defects, improve the braking efficiency of the truck, reduce the occurrence of traffic accidents and have certain significance on the driving safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the traditional technology and provides a double-disc brake for a truck.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a freight train double disc brake, includes braking pincers, braking pincers include first piston assembly and second piston assembly, first piston chamber has been seted up in the first piston assembly, be provided with first piston in the first piston chamber, the oil body is equipped with in the first piston chamber, first piston one end is worn out first piston assembly shell and first rubber hose fixed connection that resets, in the first piston assembly first piston chamber is through first oil inlet and oil pump intercommunication, first rubber hose and the brake beam fixed connection that resets.
Preferably, the inner wall of one end of the brake beam is inlaid with a first friction plate, the middle part of the brake beam is provided with a second friction plate, the second friction plate comprises two friction plates which are arranged oppositely, a hydraulic oil duct is arranged in the second friction plate, the second friction plate is communicated with the oil pump through a third oil inlet, and when oil is fed, the two friction plates are enabled to protrude outwards through the hydraulic action so as to play a braking role.
Preferably, a second piston cavity is formed in the second piston assembly, a second piston is arranged in the second piston cavity, an oil body is arranged in the second piston cavity, the second piston cavity is communicated with the oil pump through a second oil inlet, one end of the second piston penetrates out of the shell of the second piston assembly and is fixedly connected with a second reset rubber hose, the reset rubber hose is an elastic rubber hose with a deformation effect and can be compressed and extended when pressure is applied, the piston can be compressed under the action of pressure when being applied by hydraulic pressure, and when a driver loosens a brake pedal, the piston can be quickly restored to an original state through the elastic action of the piston, so that the sensitivity is improved.
Preferably, one end of the second piston, which is far away from the second return rubber hose, penetrates out of the second piston assembly outer shell to be connected with the third friction plate.
Preferably, a friction disc with be provided with the brake disc No. one between the friction disc No. two, No. two friction discs with be provided with the brake disc No. two before No. three friction discs, a brake disc with the ventilation hole has been seted up on the brake disc surface No. two, and the ventilation hole of two brake discs combines through the connecting piece, connecting piece threaded connection in the ventilation hole, form a heat dissipation channel, a brake disc with No. two brake discs respectively with wheel flange and axle portion fixed connection.
Compared with the prior art, the utility model has the following advantages:
the double-disc brake provided by the utility model has the advantages of large braking torque, low working temperature, good response characteristic, quick heat dissipation, light weight, simple structure, convenience in adjustment, good high-temperature resistance particularly under high load, stable braking effect and resistance to mud water invasion, a vehicle can be stopped in a short time when driving in winter and under severe road conditions, the brake disc is provided with the vent holes to form a heat dissipation channel, so that the inner brake disc can be ventilated and dissipated, the heat dissipation is accelerated, and the braking efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a double-disc brake of a truck according to the present invention;
FIG. 2 is an internal schematic view of a piston assembly of the present invention;
FIG. 3 is a schematic structural view of a connector according to the present invention;
fig. 4 is a schematic structural diagram of a brake disc i according to the present invention.
In the figure: 1. a brake caliper; 11. a first piston assembly; 111. a first piston chamber; 112. a first piston; 113. a first oil inlet; 12. a second piston assembly; 121. a second piston chamber; 122. a second piston; 123. a second oil inlet; 13. a first reset rubber hose; 14. a second reset rubber hose; 2. a brake beam; 3. a first friction plate; 4. a second friction plate; 41. a hydraulic oil passage; 42. a third oil inlet; 5. a third friction plate; 6. a brake disc I; 7. a second brake disc; 8. a vent hole; 81. a connecting member; 9. a wheel flange; 91. a bridge part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
With reference to fig. 1, the double disc brake comprises a caliper 1, the caliper 1 comprising a first piston assembly 11 and a second piston assembly 12;
referring to fig. 2, a first piston cavity 111 is formed in the first piston assembly 11, a first piston 112 is arranged in the first piston cavity 111, an oil body is filled in the first piston cavity 111, one end of the first piston 112 penetrates through a shell of the first piston assembly 11 and is fixedly connected with the first reset rubber hose 13, and the first piston cavity 111 in the first piston assembly 11 is communicated with the oil pump through a first oil inlet 113;
referring to fig. 1, a first reset rubber hose 13 is fixedly connected with a brake beam 2, a first friction plate 3 is inlaid on the inner wall of one end of the brake beam 2, a second friction plate 4 is arranged in the middle of the brake beam 2, the second friction plate 4 comprises two opposite friction plates, a hydraulic oil duct 41 is arranged in the second friction plate 4, and the second friction plate is communicated with an oil pump through a third oil inlet 42; when oil is fed, the two friction plates are protruded outwards under the hydraulic action, so that the braking effect is achieved;
referring to fig. 2, a second piston cavity 121 is formed in the second piston assembly 12, a second piston 122 is arranged in the second piston cavity 121, an oil body is filled in the second piston cavity 121, the second piston cavity 121 is communicated with an oil pump through a second oil inlet 123, one end of the second piston 122 penetrates through the shell of the second piston assembly 12 and is fixedly connected with a second reset rubber hose 14, the reset rubber hose is an elastic rubber hose with a deformation effect and can be compressed and extended when being subjected to pressure, the piston can be compressed when being subjected to hydraulic pressure, and when a driver releases a brake pedal, the piston can be quickly restored to an original state through the elastic action of the piston, so that the sensitivity is improved;
referring to fig. 1 and 2, one end of the second piston 122, which is far away from the second return rubber hose 14, penetrates through the outer shell of the second piston assembly 12 to be connected with a first friction plate 5, a first brake disc 6 is arranged between the first friction plate 3 and the second friction plate 4, and a second brake disc 7 is arranged in front of the second friction plate 4 and the third friction plate 5;
referring to fig. 1, 3 and 4, the surfaces of a first brake disc 6 and a second brake disc 7 are provided with vent holes 8, the vent holes 8 of the two brake discs are combined through a connecting piece 81, the connecting piece 81 is in threaded connection with the vent holes 8 to form a heat dissipation channel, and the first brake disc 6 and the second brake disc 7 are respectively and fixedly connected with a wheel flange 9 and an axle part 91;
this double disc brake is when using:
when a driver steps on a brake pedal, the first oil inlet 113, the second oil inlet 123 and the third oil inlet 42 are used for conveying oil, the first piston 112 and the second piston 122 are subjected to hydraulic action, the first piston 112 and the second piston 122 drive the first reset rubber hose 13 and the second reset rubber hose 14 to be compressed, the first reset rubber hose 13 is compressed to drive the brake beam 2 to translate, the first friction plate 3 is in contact with the first brake disc 6, the second piston 122 pushes the third friction plate 5 to be in contact with the second brake disc 7, meanwhile, the third oil inlet 42 conveys oil into the hydraulic oil duct 41, two sides of the second friction plate 4 extend outwards to be in contact with the first brake disc 6 and the second brake disc 7 for friction braking, meanwhile, the first brake disc 6 and the second brake disc 7 are provided with vent holes 8, correspondingly, the connecting piece 81 is combined with the vent holes 8 on the two brake discs to connect the two brake discs, and a heat dissipation channel is formed between the corresponding ventilation holes 8, so that the inner side brake disc can be subjected to ventilation and heat dissipation, the heat dissipation is accelerated, and the braking efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A double-disc brake of a truck comprises a brake caliper (1) and is characterized in that the brake caliper (1) comprises a first piston assembly (11) and a second piston assembly (12), a first piston cavity (111) is formed in the first piston assembly (11), a first piston (112) is arranged in the first piston cavity (111), an oil body is arranged in the first piston cavity (111), one end of the first piston (112) penetrates out of a shell of the first piston assembly (11) and is fixedly connected with a first reset rubber hose (13), the first piston cavity (111) in the first piston assembly (11) is communicated with an oil pump through a first oil inlet (113), the first reset rubber hose (13) is fixedly connected with a brake beam (2), a first friction plate (3) is inlaid in the inner wall of one end of the brake beam (2), and a second friction plate (4) is arranged in the middle of the brake beam (2), a second piston cavity (121) is formed in the second piston assembly (12), a second piston (122) is arranged in the second piston cavity (121), an oil body is arranged in the second piston cavity (121), the second piston cavity (121) is communicated with an oil pump through a second oil inlet (123), and one end of the second piston (122) penetrates through a shell of the second piston assembly (12) and is fixedly connected with a second reset rubber hose (14).
2. A double-disc brake for trucks according to claim 1, characterized in that said second friction plate (4) comprises two opposite friction plates, and a hydraulic oil duct (41) is disposed therein and is communicated with the oil pump through a third oil inlet (42).
3. A double-disc brake for trucks according to claim 1, characterized in that the end of the second piston (122) far from the second return rubber hose (14) passes through the outer shell of the second piston assembly (12) and is connected with the third friction plate (5).
4. A double disc brake for trucks according to claim 3, characterized in that a first brake disc (6) is arranged between said first friction disc (3) and said second friction disc (4), and a second brake disc (7) is arranged before said second friction disc (4) and said third friction disc (5).
5. A double-disc brake for a truck as claimed in claim 4, characterized in that the surfaces of the first brake disc (6) and the second brake disc (7) are provided with vent holes (8), the vent holes (8) of the two brake discs are combined through a connecting piece (81), the connecting piece (81) is screwed in the vent holes (8), and the first brake disc (6) and the second brake disc (7) are respectively fixedly connected with a wheel flange (9) and an axle part (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282727.1U CN215861426U (en) | 2021-09-22 | 2021-09-22 | Double-disc brake for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282727.1U CN215861426U (en) | 2021-09-22 | 2021-09-22 | Double-disc brake for truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861426U true CN215861426U (en) | 2022-02-18 |
Family
ID=80255324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122282727.1U Expired - Fee Related CN215861426U (en) | 2021-09-22 | 2021-09-22 | Double-disc brake for truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861426U (en) |
-
2021
- 2021-09-22 CN CN202122282727.1U patent/CN215861426U/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: 20220218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |