Riveting floating type brake pad

Abstract

The invention discloses a riveting floating type brake pad. The brake pad comprises a supporting plate and a plurality of friction blocks, wherein the supporting plate and each friction block are connected through rivets, and floating gaps are formed between the supporting plate and the friction blocks; the friction blocks comprise back plates and friction bodies, and friction block connecting holes composed of friction block large-diameter holes and friction block small-diameter holes are formed in the centers of the friction blocks; supporting plate connecting holes formed by supporting plate small-diameter holes and supporting plate large-diameter holes and annular elastic grooves which are concentric with the supporting plate connecting holes are formed in the positions, correspondingto the friction blocks, on the supporting plate; and elastic elements are arranged in the annular elastic grooves, the friction blocks are hexagonal, the supporting plate is formed by splicing a leftplate and a right plate, the left plate and the right plate are spliced in a broken line along the edges of the friction blocks, and the tail parts of the rivets are hollow, and are positioned in thelarge-diameter holes of the supporting plate in a flanging shape. According to the brake pad, the friction blocks can be effectively prevented from being eccentrically worn, and the structural stability and safety of the brake pad are improved.

Description

technical field [0001] The invention relates to a riveted floating brake pad. Background technique [0002] At present, the brake pads used on high-speed trains are mostly riveted by flat-head rivets, that is, the flat-head rivets connect the friction block and the support plate, and deform under a certain pressure so that the friction block is tightly riveted on the support plate. This kind of brake pad structure is widely used due to its easy operation, but the brake pad of this structure often has obvious eccentric wear phenomenon in the actual use process, which is manifested as uneven wear in the vertical direction of the brake pad, and usually the friction block at the bottom wears the most Fastest, the uppermost friction block wears the slowest, which is caused by the uneven force on the brake pads during use, the service life of the brake pads is determined by the friction block that wears the fastest, and the occurrence of eccentric wear causes the friction material...

AI Technical Summary

Problems solved by technology

The elastic floating brake pads in the above-mentioned patent application documents use flat-head rivets. The flat-head rivets require relatively high riveting pressure, and the friction block is easily riveted to death during the riveting process. If the riveting pressure is not enough, the overall deformation of the rivet is not enough, and the The quality of the riveting cannot be guaranteed

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