Wall cleaning vehicle

The utility model relates to a wall cleaning vehicle. An automobile chassis is provided with a water tank, a detergent tank, an engine and a hydraulic pump linked with the engine, he top of the water tank is provided with a cleaning brush supporting frame, an auxiliary box is arranged between a transmission shaft of the automobile chassis and a speed reducer, and the tail end of the automobile chassis is provided with a cleaning mechanism. In the utility model, the auxiliary box is additionally arranged between the transmission shaft of the automobile chassis and the speed reducer, so as to reduce rotation speed of the cleaning brush and improve the cleaning efficiency; and the cleaning mechanism is arranged at the tail end of the automobile chassis, a rotating motor is adopted to drive a rotating support to rotate, a swinging hydraulic oil cylinder is adopted to drive the rotating support to move left and right, and the cleaning mechanism can move left and right and rotate at the tail end of the automobile chassis to clean any position on a tunnel wall, so as to reduce the height of the cleaning vehicle. The wall cleaning vehicle has the advantages of reasonable design, high cleaning efficiency, good cleaning effect and the like, and can be used for cleaning highway tunnels, railway tunnels and underground passages.