Riveting floating type brake pad

A brake pad, floating technology, applied in the direction of friction linings, mechanical equipment, etc., can solve the problems of high riveting pressure, inability to guarantee the quality of riveting, and overall deformation of the rivet, so as to improve the service life and increase the effective wear amount , the effect of large fitting surface

Pending Publication Date: 2019-06-21
CRRC QISHUYAN INSTITUTE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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  • Riveting floating type brake pad
  • Riveting floating type brake pad
  • Riveting floating type brake pad

Examples

Experimental program
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Effect test

Embodiment 1

[0020] See Figure 1 to Figure 5 , this embodiment includes a support plate 1 and several friction blocks 2 on the support plate 1 . The friction blocks 2 are hexagonal, and there is a chip removal gap E between the friction blocks 2 . The support plate 1 is composed of a left plate 1-1 and a right plate 1-2. The left plate 1-1 and the right plate 1-2 are spliced ​​asymmetrically along the fold line G along the edge of the friction block, and can be used in a limited area. The maximum number of friction blocks on the support plate is used to increase the area and volume of the friction material. The friction block 2 includes a back plate 2-2 and a friction body 2-1, the friction body 2-1 is a powder metallurgy material, the bottom of the friction body 2-1 has a joint boss 2-1-1, and the corresponding The part has a pit 2-a-4, and the joint boss 2-1-1 of the friction body 2-1 is embedded in the pit 2-a-4 of the back plate 2-2. During the sintering and pressing process, the fr...

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PUM

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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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D69/04
Inventor 朱松王常川刘晓军潘勤涛方祖欣潘祺睿谢鑫林翟财周金文伟
Owner CRRC QISHUYAN INSTITUTE CO LTD
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