Seat type polishing machine for bridge deck pavement

The utility model relates to the technical field of polishing machines, in particular to a seat type polishing machine for bridge deck pavement, which comprises a seat type polishing machine body, an automatic dust collection assembly and an automatic dust falling assembly are arranged on the outer side of the polishing bottom surface of the seat type polishing machine body, and a sedimentation water tank is arranged on the seat type polishing machine body. The suction end of the automatic dust suction assembly faces a concrete surface to be polished, the dust discharging end of the automatic dust suction assembly is communicated into the sedimentation water tank, the suction end of the automatic dust falling assembly is communicated with the sedimentation water tank, and the dust falling end of the automatic dust falling assembly faces the concrete surface to be polished. The polishing device has the dual dust falling effect on the concrete surface subjected to polishing operation, the problem of dust flying