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Title:
MEDIUM-SPEED HIGH-TORQUE RADIAL PISTON HYDRAULIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2017/181907
Kind Code:
A1
Abstract:
A medium-speed high-torque radial piston hydraulic motor, comprising a housing (1), a crankshaft (2), a roller column (3), a bearing sleeve (4), a cylinder cover (5), a telescopic sleeve (6) radially distributed along the bearing sleeve (4), the upper and lower ends thereof respectively abutting an outer spherical face (501) of the cylinder cover (5) and an outer spherical face (402) of the bearing sleeve (4), a retention ring (7) for fully attaching the lower end of the telescopic sleeve (6) to the outer spherical face (402) of the bearing sleeve (4), a suspension rod (8) for fully attaching the upper end of the telescopic sleeve (6) to the outer spherical face (501) of the cylinder cover (5), and a transmission shaft (10), the two ends thereof being connected to the crankshaft (2) and an oil distribution mechanism (9), the roller column (3) being sleeved inside an inner hole (401) of the bearing sleeve (4), and the crank shaft (2) comprising an eccentric shaft section (201). The present radial piston hydraulic motor has the advantages of significantly improving rotation speed and a compact structure.

Inventors:
YE, Chunnong (No.1-03 Zhanye Rd, Honggang Ind DistDaliang, Shunde Distric, Foshan Guangdong 0, 528300, CN)
Application Number:
CN2017/080515
Publication Date:
October 26, 2017
Filing Date:
April 14, 2017
Export Citation:
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Assignee:
INTRA-ITALIA HYDRAULICS (FOSHAN SHUNDE) CO., LTD (No.1-03 Zhanye Rd, Honggang Ind DistDaliang, Shunde Distric, Foshan Guangdong 0, 528300, CN)
International Classes:
F03C1/22; F03C1/28; F03C1/32; F03C1/38
Foreign References:
CN105756850A2016-07-13
CN205618296U2016-10-05
US5967018A1999-10-19
CN101421510A2009-04-29
CN104329217A2015-02-04
CN201461719U2010-05-12
CN201198814Y2009-02-25
US7267042B22007-09-11
Attorney, Agent or Firm:
SCIHEAD PATENT AGENT CO., LTD (LIU Mengbin, 1508 Room Huihua Commercial & Trade Building,No,80 Xianliezhong Road, Yuexi, Guangzhou Guangdong 0, 510070, CN)
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