CN211550338U - Wedge type brake for large vehicle - Google Patents
Wedge type brake for large vehicle Download PDFInfo
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- CN211550338U CN211550338U CN201921709704.0U CN201921709704U CN211550338U CN 211550338 U CN211550338 U CN 211550338U CN 201921709704 U CN201921709704 U CN 201921709704U CN 211550338 U CN211550338 U CN 211550338U
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Abstract
The wedge brake for large vehicles comprises a wedge opening mechanism 1, a bracket mechanism 2, a pneumatic device 3 and the like, wherein the wedge opening mechanism 1 is connected with the bracket mechanism 2 through a bearing 202, the pneumatic device 3 is connected with the bracket mechanism 2 through a bolt, pressure is generated through a vehicle-mounted pneumatic chamber during working and is transmitted to the pneumatic device 3 through a force transmission device, a wedge block moves downwards due to the action of the pressure inside the device, the pushing balls are separated towards two sides respectively, the ball pushing sleeve 303 finally opens the brake shoe 201 and the brake shoe 202, and the friction lining 203 and the friction lining on the brake shoe are pressed on a brake drum to generate brake torque, so that the speed of the vehicle is reduced to a required value, and the wedge brake for large vehicles, which is reasonable in design, compact in structure and attractive in appearance, is provided.
Description
The technical field is as follows:
the utility model discloses wedge brake for large-scale car specifically indicates to slow down or brake at the car in-process of traveling, belongs to car braking technical field.
Background art:
with the rapid development of Chinese economic construction, the development of traffic and the improvement of road conditions, the demand of people on automobiles is continuously increased. The automobile plays an extremely important role in daily travel, goods transportation and other aspects of people, the automobile industry develops rapidly since the 21 st century, various types suitable for various automobiles and parts are formed, the automobile brake system is used as an important structure forming an automobile assembly, and the brake system plays an important role in ensuring safe driving of the automobile.
The traditional brake is divided into two types of disc brakes and drum brakes, the disc brakes are small in size and good in braking effect, but the heavy-duty vehicles are insufficient in braking efficiency, expensive and high in cost, and the basin brakes are only suitable for small cars. The conventional drum brake has a large contact area between a rotating structure and a fixed structure, so that the braking performance is high and smooth, but the conventional drum brake has obvious disadvantages of poor heat dissipation performance and severe material loss.
The wedge type brake for large vehicles has the advantages of simple structure, large generated braking force, high braking efficiency and stable braking, and when the clearance between the brake shoe and the brake drum is increased due to the friction of materials, the clearance can be automatically adjusted by the brake, and the interior of the brake is easy to cool after being heated due to the friction. Wedge brakes also have certain advantages in price over disc brakes and drum brakes, and are urgently needed in the industry for large-sized automotive wedge brakes.
The utility model has the following contents:
in order to solve the difficulties, the wedge type brake for the large-scale vehicle comprises a wedge type opening mechanism 1, a bracket mechanism 2 and a pneumatic device 3, wherein the wedge type opening mechanism 1 is connected with the bracket mechanism 2 through a bearing I202, and the pneumatic device 3 is connected with the bracket mechanism 2 through a bolt.
The wedge-type spreading mechanism 1 comprises a brake shoe I101, a brake shoe II102, a friction lining I103, a friction lining II104, a reset tension spring 105 and the like, wherein the brake shoe I101 and the brake shoe II102 are connected with the friction lining I103 and the friction lining II104 through riveting, and the reset tension spring 105 is connected with the brake shoe I101 and the brake shoe II102 through bolt rods so as to play a role in resetting the brake shoe I101 and the brake shoe II102 after the braking of a large-scale vehicle is finished.
The bracket mechanism 2 is composed of a bracket 201, a bearing I202, a bearing II203, a limit plate 204, a dust cover 205 and the like, wherein the bracket 201 is connected with the bearing I202 and the bearing II203 in a penetrating manner, the limit plate 204 is used for limiting and fixing, the limit plate 204 is connected with the bracket 201 through bolts, and the dust cover 205 is connected and fixed with the bracket through bolts.
The pneumatic device 3 comprises a pneumatic shell 301, a spring 302, a sleeve 303, a limiting sheet 304, a limiting rod 305 and the like, wherein the limiting rod 305 is connected with the central internal thread of the shell 301 through an external thread, the limiting sheet 304 is connected with the limiting rod 305 through a cross-insertion type, air pressure is released by an air chamber during braking, the limiting sheet 304 is pushed to move downwards to enable air to enter the shell to form a braking condition, the limiting sheet is pushed to move upwards to the terminal of the limiting rod 304 through the self elasticity of the spring 302 when equipment braking is completed, the blocking spring 302 is connected with the limiting rod 305 through the cross-insertion type, and the sleeve 303 is connected with the shell 301 through the cross-insertion type.
Description of the drawings:
FIG. 1 is a schematic structural view of a wedge brake for a large vehicle;
fig. 2 is a schematic structural view of the wedge opening mechanism 1 in fig. 1;
FIG. 3 is a schematic structural view of the carriage mechanism 2 of FIG. 1;
FIG. 4 is a schematic view of the pneumatic device 3 of FIG. 1;
the specific implementation mode is as follows:
1. referring to fig. 1, 2, 3 and 4, the wedge brake for a large vehicle according to the present embodiment includes a wedge opening mechanism 1, a bracket mechanism 2 and a pneumatic device 3, wherein the wedge opening mechanism 1 is connected to the bracket mechanism 2 through a bearing I202, and the pneumatic device 3 is connected to the bracket mechanism 2 through a bolt.
2. Referring to fig. 2, the wedge-type spreading mechanism 1 is composed of a brake shoe I101, a brake shoe II102, a friction lining I103, a friction lining II104, a return tension spring 105 and the like, wherein the brake shoe I101 and the brake shoe II102 are connected with the friction lining I103 and the friction lining II104 through riveting, and the return tension spring 105 is connected with the brake shoe I101 and the brake shoe II102 through bolt rods, so that the brake shoe I101 and the brake shoe II102 return after the braking of the large-scale vehicle is finished.
3. Referring to fig. 3, the bracket mechanism 2 is composed of a bracket 201, a bearing I202, a bearing II203, a limiting plate 204, a dust cover 205, and the like, wherein the bracket 201 is connected with the bearing I202 and the bearing II203 through a cross-insertion type, the limiting plate 204 is used for limiting and fixing, the limiting plate 204 is connected with the bracket 201 through a bolt, and the dust cover 205 is connected with the bracket through a bolt and fixed.
4. Referring to fig. 4, the pneumatic device 3 is composed of a pneumatic housing 301, a spring 302, a sleeve 303, a limiting plate 304, a limiting rod 305 and the like, wherein the limiting rod 305 is connected with the central internal thread of the housing 301 through an external thread, the limiting plate 304 is connected with the limiting rod 305 through a penetrating type, air pressure is released by an air chamber during braking, the limiting plate 304 is pushed to move downwards to enable air to enter the housing to form a braking condition, the limiting plate is pushed to move upwards to the terminal of the limiting rod 304 through the self elasticity of the spring 302 to block the air when equipment braking is completed, the blocking spring 302 is connected with the limiting rod 305 through the penetrating type, and the sleeve 303 is connected with the housing 301 through the penetrating type to guarantee the high efficiency and the flexibility of the equipment during.
Claims (4)
1. The wedge type brake for the large-scale vehicle is characterized by comprising a wedge type opening mechanism (1), a bracket mechanism (2) and a pneumatic device (3), wherein the wedge type opening mechanism (1) is connected with the bracket mechanism (2) through a bearing I (202), and the pneumatic device (3) is connected with the bracket mechanism (2) through a bolt.
2. The wedge brake for large vehicles according to claim 1, wherein the wedge spreading mechanism (1) comprises a brake shoe I (101), a brake shoe II (102), a friction lining I (103), a friction lining II (104), a return tension spring (105), and the like, wherein the brake shoe I (101) and the brake shoe II (102) are riveted with the friction lining I (103) and the friction lining II (104), and the return tension spring (105) is connected with the brake shoe I (101) and the brake shoe II (102) through a bolt bar so as to return the brake shoe I (101) and the brake shoe II (102) after braking of the large vehicle.
3. The wedge brake for the large vehicle according to claim 1, wherein the bracket mechanism (2) is composed of a bracket (201), a bearing I (202), a bearing II (203), a limiting plate (204), a dust cover (205), and the like, wherein the bracket (201) is connected with the bearing I (202) and the bearing II (203) through a penetration type, the limiting plate (204) is used for limiting and fixing, the limiting plate (204) is connected with the bracket (201) through a bolt, and the dust cover (205) is connected with the bracket through a bolt.
4. The wedge brake for large vehicles according to claim 1, wherein the pneumatic device (3) is composed of a pneumatic housing (301), a spring (302), a sleeve (303), a limiting plate (304), a limiting rod (305), and the like, wherein the limiting rod (305) is connected with the central internal thread of the shell (301) through an external thread, the limiting sheet (304) is connected with the limiting rod (305) through a cross-insertion type, when braking, the air chamber releases air pressure, the limiting sheet (304) is pushed to move downwards to enable the air to enter the shell to form a braking condition, when the equipment braking is completed, the spring (302) pushes the limiting sheet to move upwards to the terminal of the limiting rod (304) to block gas, the blocking spring (302) is connected with the limiting rod (305) in a penetrating mode, and the sleeve (303) is connected with the shell (301) in a penetrating mode to guarantee the high efficiency and flexibility of the equipment during braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709704.0U CN211550338U (en) | 2019-10-14 | 2019-10-14 | Wedge type brake for large vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709704.0U CN211550338U (en) | 2019-10-14 | 2019-10-14 | Wedge type brake for large vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550338U true CN211550338U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921709704.0U Active CN211550338U (en) | 2019-10-14 | 2019-10-14 | Wedge type brake for large vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN211550338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396468A (en) * | 2019-10-14 | 2020-07-10 | 长春工业大学 | Wedge type brake for large vehicle |
| CN113931944A (en) * | 2021-11-02 | 2022-01-14 | 安徽安凯汽车股份有限公司 | Device for preventing forced start of vehicle for hydrogen fuel vehicle |
-
2019
- 2019-10-14 CN CN201921709704.0U patent/CN211550338U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396468A (en) * | 2019-10-14 | 2020-07-10 | 长春工业大学 | Wedge type brake for large vehicle |
| CN113931944A (en) * | 2021-11-02 | 2022-01-14 | 安徽安凯汽车股份有限公司 | Device for preventing forced start of vehicle for hydrogen fuel vehicle |
| CN113931944B (en) * | 2021-11-02 | 2024-07-19 | 安徽安凯汽车股份有限公司 | Device for preventing forced starting of vehicle for hydrogen fuel vehicle |
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