MEASURING DEVICE FOR MEASURING FRICTION COEFFICIENT UNDER CONDITION OF PERIODIC DEFORMATION OF MATERIAL

WIPO Patent Application WO/2021/227376

A1

A measuring device for measuring a friction coefficient under the condition of the periodic deformation of a material, which is used to measure a harmonic reducer, wherein the device consists of a torque sensor (1), a sleeve (2), an upper sample (3), a lower sample (4), a flexible clamp (5), an air bearing (6), a clamp body (7), a tension pressure sensor (8), a support rod (9) and a support table (10). A working module of a friction and wear tester is used to connect the torque sensor (1), and then connect the sleeve (2) and fix the upper sample (3). A rotating module of the friction and wear tester is used to connect the flexible clamp (5), and then fix the lower sample (4). The tension pressure sensor (8) may accurately measure the radial force between the upper sample (3) and the lower sample (4). The torque sensor (1) may measure a load torque value of the upper sample (3) and the lower sample (4) during testing. According to a relationship curve of the load torque value between the upper sample (3) and the lower sample (4) changing along with a radial load value, a friction coefficient between a quasi-flexible bearing and a flexspline is obtained.

ZHANG CAIXIA (CN)
XU CAIXIA (CN)
LIU ZHIFENG (CN)
ZHAO YONGSHENG (CN)
YANG CONGBIN (CN)
LI XIANG (CN)

PCT/CN2020/123792

November 18, 2021

October 27, 2020

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UNIV BEIJING TECHNOLOGY (CN)

G01N19/02

CN210221494U	2020-03-31
CN110927055A	2020-03-27
CN104655511A	2015-05-27
CN102539264A	2012-07-04
CN102944512A	2013-02-27
CN206387678U	2017-08-08
RU2455631C1	2012-07-10

BEIJING SIHAI TIANDA INTELLECTUAL PROPERTY AGENCY LTD. (CN)

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