CN212738045U - Auxiliary brake device - Google Patents
Auxiliary brake device Download PDFInfo
- Publication number
- CN212738045U CN212738045U CN202021540840.4U CN202021540840U CN212738045U CN 212738045 U CN212738045 U CN 212738045U CN 202021540840 U CN202021540840 U CN 202021540840U CN 212738045 U CN212738045 U CN 212738045U
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- CN
- China
- Prior art keywords
- piston
- cylinder
- axle
- auxiliary brake
- brake apparatus
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- Expired - Fee Related
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Abstract
The utility model discloses an auxiliary brake device. The method comprises the following steps: the first cylinder and the second cylinder are oppositely arranged on two sides of the axle and are used for pushing the first piston and the second piston to move; the first piston and the second piston are at least partially arranged in the first cylinder and the second cylinder respectively, and the front ends of the first piston and the second piston are provided with jacking parts respectively; the brake pad is arranged at the jacking part and is used for being pressed against the axle under the driving of the first piston and the second piston to generate friction force so as to decelerate the vehicle; the first cylinder and the second cylinder are multiple and are uniformly distributed along the axle. The utility model has the advantages that: a plurality of first cylinders and second cylinders are arranged on two sides of the axle, and can generate braking force on the axle to assist braking.
Description
Technical Field
The utility model relates to the field of automobiles, in particular to auxiliary brake device.
Background
The pneumatic brake device is a brake device for heavy vehicles, is the most common type of dynamic braking system, and can obtain larger braking driving force, and the coupling device of the braking driving system between the main vehicle and the towed trailer as well as between the vehicle and the train has simple structure and convenient coupling and disconnection, so the pneumatic brake device is widely applied to trucks, off-road vehicles and passenger vehicles with the total mass of more than 8t, particularly more than 15 t.
In the existing brake device, a piston is driven by a cylinder, so that a brake pad is pressed against a wheel hub of a vehicle to generate friction force for braking. However, for large vehicles, once the brake device fails, irreparable loss is caused, so that an auxiliary brake device becomes a key for solving the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an auxiliary brake device, it is equipped with first cylinder and second cylinder in axletree both sides, can auxiliary brake.
In order to achieve the above object, the utility model adopts the following technical scheme, include:
an auxiliary brake apparatus, comprising:
the first cylinder and the second cylinder are oppositely arranged on two sides of the axle and are used for pushing the first piston and the second piston to move; the first piston and the second piston are at least partially arranged in the first cylinder and the second cylinder respectively, and the front ends of the first piston and the second piston are provided with jacking parts respectively; and
the brake pad is arranged at the jacking part and is used for being pressed against the axle under the driving of the first piston and the second piston to generate friction force so as to decelerate the vehicle;
the first cylinder and the second cylinder are multiple and are uniformly distributed along the axle.
As a preference, further comprising:
the limiting baffle is arranged at the tail ends of the first piston and the second piston;
the reset element is arranged in the first cylinder and the second cylinder and sleeved on the piston rods of the first piston and the second piston, the front end of the reset element is abutted against the cylinder walls of the first cylinder and the second cylinder, and the tail end of the reset element is abutted against the limiting baffle plate and used for resetting the first piston and the second piston.
Preferably, the pressing part is arc-shaped and matched with the periphery of the axle.
As a preference, further comprising:
the main pipeline is arranged above the axle in parallel and is respectively communicated with the first cylinder and the second cylinder through air receiving pipes;
and the auxiliary brake master cylinder is communicated with the master pipeline and is used for providing air pressure to perform auxiliary braking.
Preferably, the first cylinder and the second cylinder are respectively fixed on the frame through mounting plates.
Preferably, the jacking portion is 1/3 arc-shaped.
The beneficial effects of utility model are that: a plurality of first cylinders and second cylinders are arranged on two sides of the axle, and can generate braking force on the axle to assist braking.
Drawings
Fig. 1 is a perspective view I of an auxiliary brake apparatus of the present invention.
Fig. 2 is a perspective view II of the auxiliary brake apparatus of the present invention.
Fig. 3 is a sectional view of the auxiliary brake apparatus of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-3, an implementation form of the present invention, in order to achieve the above object, adopts the following technical solution, including:
the first cylinder 110 and the second cylinder 120 are oppositely arranged on two sides of the axle 2 and are used for pushing the first piston 111 and the second piston 121 to move; the first piston 111 and the second piston 121 are at least partially disposed in the first cylinder 110 and the second cylinder 120, respectively, and a pressing portion 111a and a pressing portion 121a are disposed at the front ends of the first piston 111 and the second piston 121, respectively. As a preference, further comprising: the limit baffle 111b and the limit baffle 121b are respectively arranged at the tail ends of the first piston 111 and the second piston 121; the reset element 140 is disposed in the first cylinder 110 and the second cylinder 120, and is sleeved on the piston rod 111c and the piston rod 121c of the first piston 111 and the second piston 121, the front end of the reset element abuts against the cylinder wall of the first cylinder 110 and the second cylinder 120, and the tail end of the reset element abuts against the limit baffle 111b and the limit baffle 121b, so as to reset the first piston 111 and the second piston 121. The brake pad 130 is arranged at the jacking portion 111a and the jacking portion 121a, and is used for being pressed against the axle 2 under the driving of the first piston 111 and the second piston 121 to generate friction force, so that the vehicle is decelerated; the number of the first cylinders 110 and the number of the second cylinders 120 are plural, and the first cylinders and the second cylinders are arranged uniformly along the axle 2.
In the using process, when the braking force of the main braking device is insufficient or fails, the auxiliary brake master cylinder is used for conveying air pressure to the first air cylinder 110 and the second air cylinder 120, under the action of compressed air, the first piston 111 and the second piston 121 move towards the outside of the cylinder body, the jacking portion 111a and the jacking portion 121a are enabled to jack the axle 2, the brake pad 130 is in friction with the axle 2, and the main shaft is braked.
In another embodiment, the method further comprises: the limit baffle 111b and the limit baffle 121b are arranged at the tail ends of the first piston 111 and the second piston 121; the reset element 140 is disposed in the first cylinder 110 and the second cylinder 120, and is sleeved on the piston rod 111c and the piston rod 121c of the first piston 111 and the second piston 121, the front end of the reset element abuts against the cylinder wall of the first cylinder 110 and the second cylinder 120, and the tail end of the reset element abuts against the limit baffle 111b and the limit baffle 121b, so as to reset the first piston 111 and the second piston 121.
In another embodiment, the pressing portions 111a and 121a are curved to match the outer circumference of the axle 2.
In another embodiment, the method further comprises:
the main pipeline 150 is arranged above the axle 2 in parallel and is respectively communicated with the first cylinder 110 and the second cylinder 120 through an air receiving pipe 151; and the auxiliary brake master cylinder is communicated with the master pipeline and is used for providing air pressure to carry out auxiliary braking.
In another embodiment, the first cylinder 110 and the second cylinder 120 are each secured to the frame by a mounting plate 160.
In another embodiment, the pressing portion 111a and the pressing portion 121a are shaped like 1/3 arcs.
To sum up, the utility model relates to an auxiliary brake device 1 is equipped with a plurality of first cylinders 110 and second cylinder 120 in 2 both sides of axletree, can produce braking force, auxiliary brake to axletree 2.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. An auxiliary brake apparatus, comprising:
the first cylinder and the second cylinder are oppositely arranged on two sides of the axle and are used for pushing the first piston and the second piston to move;
the first piston and the second piston are at least partially arranged in the first cylinder and the second cylinder respectively, and the front ends of the first piston and the second piston are provided with jacking parts respectively; and
the brake pad is arranged at the jacking part and is used for being pressed against the axle under the driving of the first piston and the second piston to generate friction force so as to decelerate the vehicle;
the first cylinder and the second cylinder are multiple and are uniformly distributed along the axle.
2. The auxiliary brake apparatus as claimed in claim 1, further comprising:
the limiting baffle is arranged at the tail ends of the first piston and the second piston;
the reset element is arranged in the first cylinder and the second cylinder and sleeved on the piston rods of the first piston and the second piston, the front end of the reset element is abutted against the cylinder walls of the first cylinder and the second cylinder, and the tail end of the reset element is abutted against the limiting baffle plate and used for resetting the first piston and the second piston.
3. The auxiliary brake apparatus according to claim 1 or 2, wherein: the top pressing part is arc-shaped and matched with the periphery of the axle.
4. The auxiliary brake apparatus according to claim 1 or 2, further comprising:
the main pipeline is arranged above the axle in parallel and is respectively communicated with the first cylinder and the second cylinder through air receiving pipes;
and the auxiliary brake master cylinder is communicated with the master pipeline and is used for providing air pressure to perform auxiliary braking.
5. The auxiliary brake apparatus according to claim 1 or 2, wherein: the first cylinder and the second cylinder are fixed on the frame through mounting plates respectively.
6. The auxiliary brake apparatus as claimed in claim 3, wherein: the jacking portion is 1/3 arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540840.4U CN212738045U (en) | 2020-07-30 | 2020-07-30 | Auxiliary brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540840.4U CN212738045U (en) | 2020-07-30 | 2020-07-30 | Auxiliary brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212738045U true CN212738045U (en) | 2021-03-19 |
Family
ID=75024666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021540840.4U Expired - Fee Related CN212738045U (en) | 2020-07-30 | 2020-07-30 | Auxiliary brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212738045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
-
2020
- 2020-07-30 CN CN202021540840.4U patent/CN212738045U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898634A (en) * | 2021-09-16 | 2022-01-07 | 无锡能手工控科技有限公司 | High-precision repeated-positioning mechanical brake type rodless cylinder and operation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 Termination date: 20210730 |