Superimposed slab galling and sweeping device

The utility model provides a galling and sweeping device for a laminated slab. The galling and sweeping device comprises two stand columns arranged oppositely and a frame rotationally connected between the two stand columns. A bending piece is fixedly assembled on the first side of the frame, and a lead screw assembly in threaded connection with the bending piece is assembled on the stand column close to the first side of the frame. A sweeping assembly and a galling device are arranged on the frame in parallel; the sweeping assembly and the galling device are arranged in the length direction of the frame, and the sweeping assembly is located at the front end of the galling device. The sweeping assembly is rotationally connected with the frame through a length-adjustable hook; the napping device is provided with a plurality of napping brush sets rotationally connected to the frame. According to the description, through combination of surface sweeping and galling, concrete surface bubble breaking work is firstl