Dump truck with self-cleaning truck hopper

The invention belongs to the field of dump trucks, and relates to a dump truck with a self-cleaning truck hopper, which comprises a truck body, wheels are rotatably arranged at the left end and the right end of the front lower side and the rear lower side of the lower part of the truck body respectively, supporting seats are fixedly arranged on the front side and the rear side of the upper side of the truck body respectively, and a lifting device is arranged on the upper side of the truck body and used for lifting the truck hopper. The lifting device comprises first fixing plates which are fixedly arranged in front and back of the left side of the upper side of the vehicle body. The hydraulic devices are arranged at the front end and the middle of the vehicle body respectively, so that the vehicle head can be pushed up more easily in a more labor-saving mode, local stress of the vehicle hopper is reduced, meanwhile, residual goods in the vehicle hopper can be effectively cleaned through the cleaning device, t