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Title:
DUAL-BEARING STRUCTURE FOR MOTOR HAVING DUAL-LUBRICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/072050
Kind Code:
A1
Abstract:
A dual-bearing structure for a motor having a dual-lubrication system. An inner bearing (7), a grease regulator (5) and an outer bearing (3) are sleeved on a rotation shaft (10); the grease regulator is located between the inner bearing and the outer bearing; an outer bearing chamber (4) is sleeved on the outer bearing; an inner bearing chamber (6) is sleeved on the inner bearing; the end parts of the inner bearing and the inner bearing chamber are provided with an inner bearing cover (8); an inner oil seal (9) is provided between the inner bearing cover and the rotation shaft; the end parts of the outer bearing and the outer bearing chamber are provided with an outer bearing cover (2); an outer oil seal (1) is provided between the outer bearing cover and the rotation shaft; the inner bearing chamber, the inner bearing cover, the inner oil seal and the inner bearing form an inner grease storage cavity; an inner grease injection channel (122) is provided inside the inner bearing chamber; the outer bearing chamber, the outer bearing cover, the outer oil seal and the outer bearing form an outer grease storage cavity; an outer grease injection channel (121) is provided inside the outer bearing chamber; the inner bearing chamber, the inner bearing and the grease regulator form an inner grease discharging cavity; the outer bearing chamber, the outer bearing and the grease regulator form an outer grease discharging cavity; grease discharging holes (13) are provided at the lateral bottom of the outer bearing chamber and are respectively in communication with the inner grease discharging cavity and the outer grease discharging cavity.

Inventors:
DENG, Fanglin (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
WANG, Jianliang (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
LONG, Yingrui (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
LI, Jinze (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
CHE, Sanhong (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
GONG, Tianming (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
TAN, Liang (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
CHEN, Guoqi (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
YU, Liang (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
YANG, Ye (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
QIU, Chaowu (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
Application Number:
CN2018/103859
Publication Date:
April 18, 2019
Filing Date:
September 03, 2018
Export Citation:
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Assignee:
JIANGSU CRRC ELECTRIC CO., LTD. (No. 111, Jinhai Road Economic Development Zone, Dafeng Distric, Yancheng Jiangsu 0, 224100, CN)
International Classes:
H02K5/173; F16N31/02
Foreign References:
CN107508410A2017-12-22
CN207321013U2018-05-04
CN202334098U2012-07-11
CN203554159U2014-04-16
CN101383536A2009-03-11
Attorney, Agent or Firm:
NEW SUZHOU PATENT AGENT CO., LTD. (FL.2, Building 11 No.200, Cuiting Roa, Suzhou Jiangsu 0, 215000, CN)
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