SPEED REDUCER, HYDRAULIC DRIVE SYSTEM, AND DUAL-POWER DRIVE SYSTEM

WIPO Patent Application WO/2017/101035

A1

A speed reducer, a hydraulic drive system, and a dual-power drive system. The speed reducer (7) comprises a first shaft (73), a second shaft (74), and a clutch means, wherein the clutch means comprises a pneumatic control unit (1) and a transmission unit (2); the transmission unit (2) is connected to the first shaft (73); the pneumatic control unit (1) provides air pressure to drive the transmission unit (2) to carry out a reciprocating motion, so that the first shaft (73) and the second shaft (74) can be connected and disconnected. When the first shaft (73) and the second shaft (74) are connected, the speed reducer (7) can amplify drive torque provided by a hydraulic motor (6) and transmit the amplified drive torque to an axle (9); by amplifying the drive torque, power of the hydraulic drive system can be equal to that of a mechanical drive system, and the drive performance of the hydraulic drive system is improved. When the first shaft (73) and the second shaft (74) are disconnected, power transmission between the hydraulic motor (6) and the axle (9) can be disconnected, and the hydraulic drive system is utilized selectively.

SHAN ZENGHAI (CN)
SUN JIANHUA (CN)
DING HONGGANG (CN)
LI LI (CN)
ZHU LEI (CN)

PCT/CN2015/097533

June 22, 2017

December 16, 2015

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XUZHOU HEAVY MACHINERY CO LTD (CN)

F16D25/06

CN105501056A	2016-04-20
CN202790205U	2013-03-13
CN102416867A	2012-04-18
CN201973131U	2011-09-14
CN202431777U	2012-09-12
CN202431777U	2012-09-12
CN201712473U	2011-01-19
CN201712473U	2011-01-19
US6079539A	2000-06-27

CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)

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