Cleaning device for guardrail

The cleaning device comprises a pair of anti-splashing shells which are arranged in a bilateral symmetry mode, the opposite faces of the anti-splashing shells are arranged in an open mode, the front side edge, the rear side edge and the bottom side edge of each anti-splashing shell are provided with flexible folded edges in an extending mode respectively, a plurality of cleaning brushes and spraying pipes are arranged in the anti-splashing shells respectively, and the outer portions of the anti-splashing shells are provided with water return channels in a communicated mode. The cleaning brush is vertically and pivotally arranged, the upper end and the lower end of the cleaning brush are connected with the splash-proof shell through buffering assemblies respectively, each buffering assembly comprises a connecting rod with the two ends hinged to the splash-proof shell and the cleaning brush respectively and a damping buffer with the two ends hinged to the connecting rod and the splash-proof shell respectively,