Cleaning device for sanitation truck

A sanitation truck cleaning device comprises a first cleaning frame, a second cleaning frame, a first water conveying pipe, a second water conveying pipe, a water tank and a swing mechanism, the first cleaning frame and the second cleaning frame are used for being arranged on the two sides of a sanitation truck respectively, a plurality of stand columns are arranged on the first cleaning frame and the second cleaning frame respectively, and each cleaning frame is provided with a plurality of swing mechanisms. The multiple stand columns are sequentially arranged in the extending direction of the first cleaning frame or the second cleaning frame, each stand column is internally provided with one second water conveying pipe, each second water conveying pipe is provided with a spray head, the first water conveying pipe is connected with the corresponding second water conveying pipe, the first water conveying pipe is connected with the water tank, and the second water conveying pipe is connected with the water tan