Truck carriage convenient to unload

The truck carriage comprises a carriage body, two sets of hinges and two sets of closing plates fixed to the outer walls of the two sets of hinges in a welded mode respectively, a rotating shaft is installed on one set of closing plates, and the rotating shaft is in transmission connection with a connecting block through the rotating shaft. A limiting frame clamped and fixed to the connecting block is installed on the other set of closing plates, a shifting groove and an installing groove are formed in the top face and the bottom face of an inner cavity of the carriage body correspondingly, astepping motor, a lead screw and a sliding block are installed in the shifting groove, and an unloading plate is vertically arranged in the inner cavity of the carriage body; warm heat pipes symmetrically distributed on the two sides of the top face of the compartment body are fixedly welded to the compartment body. According to the truck carriage convenient to unload, the warm air pipes, the draught fans and the electric