Dust falling device for municipal construction

The invention relates to the technical field of dust falling for construction, in particular to a dust falling device for municipal construction. The device comprises a vehicle body, a water tank anda dust removal box; a bracket is fixedly connected to the right side of the top end of the vehicle body, and first rotating grooves are formed in the front side and the rear side of the top end of thebracket; the interiors of the first rotating grooves are rotatingly connected with first rotating blocks; the bottom ends of the first rotating blocks are fixedly connected with a circular shaft extending to the lower portion of the support, a rotating plate is arranged at the ends, extending to the upper portion of the support, of the first rotating blocks, a second rotating groove is formed inthe bottom end of the rotating plate and is in rotating fit with the first rotating block, and two supporting plates are fixedly connected to the top end of the rotating plate; and a sprayer is rotationally connected between th