Train traction arm with locking device

• Main Authors: QUAN KEHUA, XIAO JING, LIANG XUEQIAN
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: PERFORMING OPERATIONS; RAILWAYS; SHIFTING OR SHUNTING OF RAIL VEHICLES; TRANSPORTING

The utility model discloses a train traction arm with a locking device. The train traction arm comprises a fixed arm body, the telescopic arm body is arranged in the fixed arm body in a sleeving manner; the fixed seat is arranged on the fixed arm body; the rear end of the stop block is coupled to the fixed seat through a rotating shaft; one end of the rotating handle is connected with the rotating shaft, and the other end of the rotating handle is hinged with a locking oil cylinder; a notch is formed in the fixed arm body and used for allowing the front end of the stop block to enter the notch of the fixed arm body, and movement limiting of the telescopic arm body in the fixed arm body is achieved in the mode that the stop block moves downwards into the fixed arm body. The utility model aims to form mechanical limit for the telescopic traction arm, increase the structural strength of the whole traction arm and bear the push-pull force of the traction hook for traction of a train. 本实用新型公开了一种带锁止装置的火车牵车臂，包括固定臂体；