Crack repairing and reinforcing device for road and bridge engineering

The utility model discloses a crack repairing and reinforcing device for road and bridge engineering, and particularly relates to the field of repairing and reinforcing devices, which comprises a stirring box with a cavity inside, and is characterized in that a vehicle body for supporting is fixedly mounted at the bottom end of the stirring box, a rotary handle is hinged to one side of the vehicle body, and the other side of the vehicle body is hinged to the stirring box. A worm is inserted in the center of the top end of the stirring box in a penetrating mode, a worm wheel is fixedly connected to the outer surface of a rod body located in the stirring box, the top end of the worm is sleeved with a transmission gear, and the bottom end of the transmission gear is attached to the top end of the stirring box; according to the technical key points, a side gear and a transmission gear are arranged, the side gear and a straight gear are meshed pairwise, the purpose of rotating a worm is achieved by moving a rotary