Cleaning device and mixer truck

According to the cleaning device and the mixer truck, a flushing connecting pipe, a sprayer connecting pipe and a sprayer are sequentially connected, one end of the flushing connecting pipe is communicated with a water outlet pipe, the end, away from the flushing connecting pipe, of the water outlet pipe is connected with a water tank, and the sprayer is located in a mixing drum; according to the concrete stirring device, the stirring barrel is filled with water or cleaned through the flushing connecting pipe, the spray head connecting pipe and the spray head connecting water outlet pipe, so that the humidity of concrete in the stirring barrel is guaranteed, the using effect of materials is improved, different positions of the stirring barrel can be cleaned after the materials are unloaded, the materials adhering to the stirring barrel are reduced, and the working efficiency is improved. The service life of the mixing drum can be prolonged, and the influence of adhered materials on the proportion of follow-up