Subway rail material transfer trolley self-locking mechanism

• Main Authors: ZHONG WEIMING, QIU QIANGQIANG, YANG SHUAI, MA QIANG, XU PEIJIANG
• Format: Patent
• Language: Chinese; English
• Published: 04.10.2022
• Subjects: ARRANGEMENTS OR DISPOSITIONS OF BRAKES OR OTHER RETARDINGAPPARATUS IN RAIL VEHICLES; BODY DETAILS OR KINDS OF RAILWAY VEHICLES; BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAILVEHICLES; PERFORMING OPERATIONS; RAILWAYS; TRANSPORTING

The utility model relates to a subway track material transfer trolley self-locking mechanism which comprises a push handle and a base, the push handle is installed on the base, at least one set of symmetrically-arranged wheels are installed on the base, the lower end of the push handle is hinged to a connecting rod, a plurality of movable rods are hinged to the connecting rod, and pull rods are hinged to the lower ends of the movable rods. The pull rod is hinged to a brake shoe used for braking the wheels, the middle of the movable rod is rotationally connected with the side wall of the base, a plurality of inserting grooves are formed in the upper surface of the base, and the push handle is connected with the inserting grooves in an inserted mode through a fixing component. The requirement for carrying subway construction materials is met, smooth proceeding of subway construction is guaranteed, meanwhile, the problem that constructors are injured due to the fact that the trolley is braked emergently in the e