BISPHERICAL CYCLOIDAL ROLLER NUTATION DRIVE DEVICE

WIPO Patent Application WO/2021/184423

A1

Disclosed is a bispherical cycloidal roller nutation drive device, comprising an input shaft, wherein a roller bearing, a first crown gear and a second crown gear are sleeved on the input shaft; the roller bearing comprises an outer ring and an inner ring; a retaining rack is connected between the outer ring and the inner ring, and a roller is connected to the retaining rack; the inner ring is connected to the first crown gear, and the outer ring is connected to the second crown gear; the input shaft is also connected to a nutation plate by means of a first bearing, and the axis of the nutation plate and the axis of the input shaft are inclined; the nutation plate is located between the first crown gear and the second crown gear, and the nutation plate is peripherally provided with a driving roller; the first crown gear and the second crown gear are used to be engaged with the driving roller at the same time; the first crown gear is connected to one end of the input shaft by means of a second bearing, and the second crown gear is connected to the other end of the input shaft by means of a third bearing. The present invention may effectively enable the device to be light weight and miniaturized, thereby increasing the service life, reliability and usage flexibility of the drive device.

LI XUAN (CN)
SUN LINING (CN)

PCT/CN2020/082643

September 23, 2021

April 01, 2020

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UNIV SOOCHOW (CN)

F16H1/32

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CN105840742A	2016-08-10
CN209990878U	2020-01-24
CN201180773Y	2009-01-14
CN203098755U	2013-07-31
SU1474362A1	1989-04-23

CENTRAL SOUTH WELL INTELLECTUAL PROPERTY OFFICE (CN)

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