Title:
TELESCOPIC COUPLER LOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/061503
Kind Code:
A1
Abstract:
The application provides a telescopic coupler locking device, comprising: a housing, which can be connected to one end of a telescopic coupler; a traction rod: which can be connected to the other end of the telescopic coupler, and at least one locking slot is formed on a side wall; a telescopic assembly: a fixed end is connected inside the housing, and a telescopic end is connected to a traction rod; a locking ring: which is sleeved on the inner side of an open end of the housing; at least one locking block assembly: which is installed on the locking ring and can move in a telescopic manner in the radial direction of the housing. The number of the locking slot corresponds to the number of the locking block assembly. When the traction rod retracts into the housing, the locking block assembly can be inserted into the locking slot to limit the extending motion of the traction rod.
Inventors:
WANG GUANGCHAO (CN)
LIU HUI (CN)
WANG XIAOPENG (CN)
LIU HUI (CN)
WANG XIAOPENG (CN)
Application Number:
PCT/CN2022/125547
Publication Date:
April 20, 2023
Filing Date:
October 17, 2022
Export Citation:
Assignee:
CRRC BRAKING SYSTEM CO LTD (CN)
International Classes:
B61G7/12
Domestic Patent References:
| WO2019101218A1 | 2019-05-31 |
Foreign References:
| CN114802336A | 2022-07-29 | |||
| CN102424057A | 2012-04-25 | |||
| CN106218662A | 2016-12-14 | |||
| DE1131721B | 1962-06-20 |
Attorney, Agent or Firm:
QINGDAO LAWSCI INTELLECTUAL PROPERTY CO., LTD. (CN)
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