Heavy-duty shuttle with roller conveyor

The utility model discloses a heavy-duty shuttle with a roller conveyor. The heavy-duty shuttle comprises a frame, the roller conveyor, a driving motor, an electric control cabinet, a cab and wheels, wherein the driving motor is mounted in the middle of the frame. The wheels of the shuttle include driving wheel trains and auxiliary wheel trains, wherein the driving wheel trains provide travelling power for the shuttle, and the auxiliary wheel trains are used for supporting the frame. Profile steel is welded to form the frame mainly comprising four transverse beams and four longitudinal beams which are fixed in a '#'-shaped manner, the driving wheel trains are arranged at the front ends of the longitudinal beams, the auxiliary wheel trains are arranged at the rear ends of the longitudinal beams, and installation bases of the roller conveyor are arranged on two sides of the transverse beams. The frame of the heavy-duty shuttle with the roller conveyor is simple in structure, small in size, uniform in stress dis