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Front and rear axle abrasive experimental device for bicycle

A wear-resistant testing machine and bicycle technology, which is applied in the direction of machine gear/transmission mechanism testing, etc., can solve the problems of concentricity deviation, twisting force of hub shaft center, damage of hub wear test, etc., to avoid test damage, easy to operate, The effect of low overall product cost

Inactive Publication Date: 2007-11-21
中华人民共和国昆山出入境检验检疫局
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AI Technical Summary

Problems solved by technology

The disadvantage of this is that the active and driven three-jaw chucks will always have concentricity deviations (due to manufacturing, adjustment during clamping, wear, etc.), which will cause twisting forces on the hub axis.
Causes abnormal damage in hub wear test

Method used

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  • Front and rear axle abrasive experimental device for bicycle
  • Front and rear axle abrasive experimental device for bicycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0019] Embodiment: A bicycle front and rear axle wear-resistant testing machine, mainly composed of a support platform 1, a driving device 2, a loading device 3 and a clamping device 4, and the driving device is mainly composed of a bearing seat, a supporting bearing 23, a sprocket 21 and a mounting sleeve 22 components, the outer surfaces of both ends of the installation sleeve are respectively fixed in the inner rings of the two support bearings, the outer rings of the two support bearings are respectively fixed in the bearing housings, the bearing housings are fixed on the support platform, and the sprockets are fixed on the installation sleeves , the clamping device is made up of the first fixed sleeve 41, the second fixed sleeve 42, the adjustment washer 43 and the locking device 44, the first and second fixed sleeves and the adjustment washer in the clamping device are movable in the installation sleeve, the first 1. One side of the two fixing sleeves is respectively slee...

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PUM

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Abstract

A wear-proof tester of front and back shafts on bicycle is prepared as setting external surface of two ends on erection cartridge in internal circle of two support bearings, fixing base of said bearing on support platform, fixing chain wheel on erection cartridge, setting the first and second fixing jacket and regulation washer actively in erection cartridge, arranging locking unit at another end of erection cartridge to press regulation washer and setting load unit on support platform under base of bearing.

Description

technical field [0001] The invention relates to a wear-resistant detector for front and rear wheel bearings of a bicycle. Background technique [0002] At present, there are mainly two types of hub wear testing machines in the market, J25A-00 represented by Tianjin Bicycle Research Institute and a certain type of testing machine represented by Taiwan Junyan Precision Machinery. The main design principles are as follows: [0003] 1. Tianjin Bicycle Research Institute J25A-00, the left and right axis of the hub is fixed, and the load is loaded on the hub tube through rolling bearings (four rolling bearings are pressed on the tube). The hub driving method is to use the rear hub to spin the flywheel and drive the sprocket The rotation drives the flywheel to rotate, so that the hub also rotates; the front hub connects the rotating shaft and the spoke holes of the faceplate through pins, and when the rotating shaft rotates, it drives the faceplate to rotate. The disadvantage of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02
Inventor 袁兴启张学锋陶泽成骆海青孙洪生钱烈辉宋芳
Owner 中华人民共和国昆山出入境检验检疫局
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