Mining car arrester

The utility model provides a mining car arrester, which relates to the technical field of mining transportation equipment and comprises a fixing frame, a hinge seat, a rotating shaft and a stop lever, transmission mechanisms matched with the stop lever are symmetrically arranged on two sides in the fixing frame, a protection plate is arranged on the top of the fixing frame, a support frame is arranged on one side of the top of the fixing frame, and a plurality of supporting rods are arranged on the support frame. The supporting frame is provided with a fixing mechanism used for installing a protection plate. The protection plate is placed at the opening in the top of the fixing frame by bypassing the pressing block at the top of the supporting frame, then the protection plate is pushed to move towards the clamping block, one side of the protection plate and the inner wall of the clamping block are clamped together, and then the threaded sleeve is screwed to rotate forwards and backwards to drive the pressing