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Title:
LOCKING MECHANISM FOR VARIABLE GAUGE WHEEL SETS
Document Type and Number:
WIPO Patent Application WO/2019/196346
Kind Code:
A1
Abstract:
A locking mechanism for variable gauge wheel sets, the locking mechanism comprising an outer sleeve (1) and a locking pin (2). The opposite two sides outside the outer sleeve (1) are each provided with a boss (11) axially extended along the outer sleeve (1); a plurality of grooves (12) are disposed at intervals along the length direction of the bosses (11); the locking pin (2) is used to be inserted into the groove (12), and can be switched among the plurality of grooves (12) under an external force to vary the gauge.

Inventors:
ZHANG, Zhenxian (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
WANG, Xu (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
QIAO, Qingfeng (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
PENG, Guoping (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
LI, Zhongwen (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
Application Number:
CN2018/106984
Publication Date:
October 17, 2019
Filing Date:
September 21, 2018
Export Citation:
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Assignee:
CRRC QINGDAO SIFANG CO., LTD. (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 1, 266111, CN)
International Classes:
B61F7/00
Foreign References:
CN108407840A2018-08-17
CN108515979A2018-09-11
CN107757652A2018-03-06
CN107650937A2018-02-02
JP2016164035A2016-09-08
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (18th Floor, Tower B CEC Plaza,No. 3 Dan Ling Street, Haidian District, Beijing 0, 100080, CN)
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