Anti-falling and anti-fracture dotting device for road and bridge construction

The utility model discloses an anti-drop fracture dotting device for road and bridge construction, which comprises a main body, one side surface of the main body is hinged with a movable door, one side of the surface of the main body, which is opposite to the movable door, is rotatably connected with a rotating rod, and the section of the rotating rod is of an L-shaped structure. A fixing block B corresponding to the end of the rotating rod is fixed to the surface of the movable door, a fixing hole is formed in the fixing block B in a penetrating mode, one end of the rotating rod penetrates into the fixing hole, a fixing block A is fixed to the position, opposite to the middle of the rotating rod, of the surface of the body, and a through groove is formed in the top face of the fixing block A in a penetrating mode. Through the designed structures such as a rotating rod, a fixing block A, a fixing block B, a fixing hole and a through groove, a worker can quickly open and close the movable door, operation is qu