Dumper with canopy cloth cover

The invention discloses a dumper with a canopy cloth cover and relates to the technical field of manufacturing of dumpers. The dumper with the canopy cloth cover comprises a dumper compartment, canopy rods used for supporting a canopy cloth and guide rails. The canopy rods are connected with a motor in a transmission manner through a transmission device. The transmission device comprises a loop-locked chain, a driving chain wheel and multiple limiting chain wheels, wherein a wheel shaft of the driving chain wheel is connected with an output shaft of the motor. The guide rails are square pipes. The bottoms of the guide rails are provided with sliding grooves. A protective pipe is arranged below the guide rails in the length direction. Upper rings of the chain penetrate the guide rails, and lower rings penetrate the protective pipe. The lower end of the last canopy rod located close to the tail of the dumper compartment is connected with a supporting frame. One end of the supporting frame is bent and then inser