Road bridge dotting device for bridge construction

The utility model discloses a road bridge dotting device for bridge construction in the technical field of bridge construction, which comprises a moving box, a lifting vertical rod is inserted in the middle of the bottom in the moving box in a sliding manner, the top end of the lifting vertical rod is connected with a rubber head, a knocking assembly is arranged above the rubber head, and the knocking assembly is connected with the moving box. The outer surface of the upper end of the lifting vertical rod is sleeved with a transverse plate, two sets of rebound assemblies are arranged on the transverse plate, the bottom end of the lifting vertical rod slidably penetrates through the moving box and is connected with a dotting head, a sliding through groove matched with the lifting vertical rod is formed in the moving box, and a sweeping assembly is arranged on the moving box. Universal wheels with locking valves are installed at the four corners of the bottom of the moving box, the right end of the moving box i