Wedge wheel type brake assembly
A brake and wheel-type technology, which is applied in the direction of drum brakes, brake types, brake components, etc., can solve the problems of reduced service life of brakes, high fuel consumption of automobiles, and heavy weight of brakes, so as to achieve weight reduction and low energy loss , good braking effect
Active Publication Date: 2016-12-07
CHONGQING ZHONGDI MACHINERY MFG CO LTD
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AI Technical Summary
Problems solved by technology
[0005] 1. The reliability is not high: when braking or emergency braking under heavy load or long downhill conditions, the braking is often delayed, the braking distance is long, or the brake is not returned completely after braking, causing dragging of the brake, which poses a major safety hazard
[0006] 2. The weight of the brake is heavy, resulting in high fuel consumption of the car
[0007] 3. When the brake is braking, the friction plate and the brake drum rub against each other to achieve braking, which generates a lot of heat, which greatly reduces the service life of the brake
[0008] 4. After a long period of use, the wear of the cam is serious, resulting in poor braking effect
Method used
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Embodiment Construction
[0032] The present invention will be described in further detail below by means of specific embodiments:
[0033] The reference numerals in the drawings of the specification include: brake shoe 10, friction plate 20, expander 30, return elastic member 40, auxiliary elastic member 401, guide block 50, wedge groove 501, wedge rod 60, roller 601, pneumatic mechanism 70. Brake drum 80, support pin shaft 90, shaft hole 91, heat dissipation fan 92, reinforcement rib a, heat dissipation port b, first heat dissipation hole c, second heat dissipation hole d.
[0034] Embodiment Wedge type wheel brake assembly is basically as attached figure 1 Shown:
[0035] The wedge wheel brake assembly includes a brake base plate, a brake shoe 10, a friction plate 20, a brake drum 80, a wedge rod 60, and a pneumatic mechanism 70 for driving the wedge rod 60. The pneumatic mechanism 70 is a cylinder, and the cylinder The piston rod and the wedge rod 60 are fixed together, and the wedge rod 60 is pu...
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The invention belongs to the field of automobile brakes, and particularly discloses a wedge wheel type brake assembly which comprises a brake bottom plate, a brake shoe, a friction plate and a brake drum. The friction plate is fixed to the inner surface of the brake shoe, and the brake shoe and the brake drum are matched. The brake shoe comprises two left brake shoe bodies and two right brake shoe bodies. One ends of the two left brake shoe bodies are hinged to the brake bottom plate through backing pin shafts; one ends of the two right brake shoe bodies are hinged to the brake bottom plate through backing pin shafts; and reset elastic parts are arranged on the left brake shoe body and the right shoe body adjacent to each other. Guide blocks are arranged on the left brake shoe bodies and the right shoe bodies, and an expander is connected between the adjacent guide blocks. Wedge-shaped grooves are formed in the guide blocks. The wedge wheel type brake assembly further comprises a wedge-shaped rod and a pneumatic mechanism used for driving the wedge-shaped rod, and the wedge-shaped rod is matched with the wedge-shaped groove. Compared with a traditional brake, in the scheme, only the pneumatic mechanism works, the braking effect is better, and the braking reliability is high.
Description
technical field [0001] The invention belongs to the field of automobile brakes. Background technique [0002] As an important part of a car, brakes are related to vehicle performance and driving safety. Cars are generally divided into two types: disc brakes and drum brakes. For drum brakes, car braking mainly relies on the driver stepping on the brake pedal to transmit the pressure of the brake fluid to the cylinder, spread the brake shoes, and the brake shoes will rub against the brake drum to generate braking force. . When the driver releases the brake pedal, the pressure in the brake cylinder disappears and the brake shoe returns to its position. [0003] The invention patent with the patent application number CN201220293359.9 discloses a light-duty stamping and welding shoe drum brake, which includes an air chamber bracket with an air chamber, a brake bottom plate, and a two-stroke welding shoe. One end is rotatably connected with the brake base plate through the sup...
Claims
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IPC IPC(8): F16D49/18F16D65/14F16D65/80F16D121/02F16D121/14
CPCF16D49/18F16D65/14F16D65/80F16D2121/02F16D2121/14
Inventor 康中帝谢明志王茂华
Owner CHONGQING ZHONGDI MACHINERY MFG CO LTD