Pneumatic disc brake caliper assembly

Abstract

The invention provides a pneumatic disc brake caliper assembly, and belongs to the technical field of vehicle accessories. By adoption of the pneumatic disc brake caliper assembly, the problems that an existing pneumatic disc brake caliper is poor in strength, inconvenient to machine and the like are solved. The pneumatic disc brake caliper assembly comprises a caliper body, a force-augmentation gap adjustment assembly and a support. The caliper body is of an integrated structure. A thrust support is provided with a cylindrical mounting base. A cover plate is provided with a guide groove, anda sliding bearing is arranged in the guide groove. A support reset spring is located in the mounting base and provides elastic force to make the thrust support tend to be away from the cover plate allthe time. The end, located outside a cavity, of the caliper body is provided with threaded holes which are bilaterally symmetrical. Supporting bases are connected into the two threaded holes. The inner ends of the two supporting bases protrude out of the inner wall of the cavity, and the inner end faces of the two supporting bases are located on the same plane. Positioning holes coaxial with thesupporting bases are formed in the inner ends of the supporting bases. A fixing rotary shaft is fixedly connected with positioning pins inserted into the corresponding positioning holes. The pneumaticdisc brake caliper assembly has the advantages of being good in strength, convenient to machine and position, and the like.

Description

technical field [0001] The invention belongs to the technical field of vehicle accessories, and relates to a brake accessory, in particular to an air pressure disc brake caliper assembly. Background technique [0002] Pneumatic disc brakes have large and stable braking force and good heat dissipation performance, and are widely used in cars and heavy vehicles. The existing pneumatic disc brake has the problems of high processing difficulty and unreasonable positioning of the gap compensation mechanism. [0003] In view of the above-mentioned problems, people design various air disc brakes, and some have applied for patents. For example, Chinese patent literature discloses an air disc brake [application number: 201110195747.3; application publication number: CN102242786A]. It includes an upper caliper body, a lower caliper body, a booster gap adjustment assembly, a brake bracket and a friction plate assembly inside the brake bracket. The booster gap adjustment assembly is em...

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Problems solved by technology

[0004] The above-mentioned pneumatic disc brake makes the booster gap adjustment assembly wrapped by the setting of the cage, which is convenient for assembly, but the caliper body is a split structure, and the upper caliper body and the lower caliper body are connected by bolts, so the overall rigidity and strength are not good. The service life is short. In order to install the booster gap adjustment assembly, ensure the guiding performance and ensure the reliability of the roller positioning, the internal processing precision of the upper clamp body is required to be high, and the processing is inconvenient. In addition, the gap compensation mechanism is a torsion spring and an adjustment sleeve. The accuracy of the gap mainly depends on the manufacturing precision of the torsion spring, which cannot effectively guarantee the service life

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