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Device for testing fatigue life of flexible bearing

A technology for flexible bearings and fatigue life, which is applied in the direction of mechanical bearing testing, etc., can solve the problems of no fatigue life, etc., and achieve the effect of improving fatigue life and improving design

Active Publication Date: 2015-04-22
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The working state of the flexible bearing is equipped with a cam, and its inner and outer rings are equidistant curves of the cam contour. At present, there is no good fatigue life test method for the flexible bearing in the working state.

Method used

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  • Device for testing fatigue life of flexible bearing
  • Device for testing fatigue life of flexible bearing
  • Device for testing fatigue life of flexible bearing

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] Such as figure 2 , 3 As shown, the test device is mainly composed of a computer 17, a flaw detection sensor 13, a speed sensor 14, a driver 43, a transmission wheel 8, a transmission wheel 9, a transmission belt 12, a cam 1, a flexible bearing 2a, a tensioning wheel 4, and a tensioning wheel 5 , tensioning pulley 6, tensioning pulley 7, load adjustment device 24, load adjustment device 25, frame 42 and other components. The cam 1 is fixed on the frame 42, the flexible bearing 2a deforms after being inserted into the cam 1, and the flexible bearing inner ring 2 and the flexible bearing outer ring 3 are deformed into an equidistant curve of the profile of the cam 1. The tension wheel adjusting device 18 adjusts the position of the slider 26 through the screw pair 30 , and the tension wheel 4 is connected with the slider 26 through the connecting shaft 34 . The tension wheel adjusting device 19 adjusts the position of the slider 27 through the screw pair 31 , and the te...

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Abstract

The invention provides a device for testing the fatigue life of the outer ring of a flexible bearing. The device comprises a driver (43), driving wheels (8 and 9), driving belts (12 and 47), a cam (1), a flexible bearing (2a), tensioning wheels (4, 5, 6 and 7), a defect detection sensor (13), a turns-counting sensor (14), a computer (17), a rack (42), load regulation devices (24 and 25), and tensioning wheel regulation devices (18, 19, 20 and 21). The device is capable of testing the fatigue life of a flexible bearing under the circumstance of simulating the working condition of the flexible bearing.

Description

technical field [0001] The invention belongs to the technical field of bearing fatigue detection, and in particular relates to a fatigue life testing device of a flexible bearing, which is used for testing the fatigue life of a deformed flexible bearing under no-load or different load conditions. Background technique [0002] Harmonic transmission is a form of transmission that appeared in the 1950s. The principle innovation of using the controllable elastic deformation of elastic elements to transmit motion and power makes it different from other transmission forms. The harmonic transmission reducer is mainly composed of a wave generator, a flexible spline, and a rigid spline. Cam wave generator with flexible bearing is the main wave generator structure used in harmonic drive. [0003] Due to the many unique advantages of harmonic drives, in recent decades, harmonic drives have been widely used in robotics, CNC machine tools, food packaging machinery, printing machinery, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/04
Inventor 辛洪兵张文彪张帆刘龙李艳侯艺菡
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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