Bridge construction falling-preventing device

The invention relates to a bridge construction falling-preventing device. The problems that an existing falling-preventing device is simplex in structure and insufficient in ensuring are effectively solved. According to the solution technical scheme, the bridge construction falling-preventing device comprises a main box; the upper end of the main box is connected with a lower plate, universal wheels are fixed to the lower end of the main box, safety nets are connected around the main box, and safety plates are mounted at the lower ends of the safety nets; the upper end of the lower plate is connected with an upper plate, and baffles are connected around the upper plate; a base is fixed to the middle of the upper plate, the base is internally connected with a bracket, the bracket is rotationally connected with a rotating rod, the rotating rod is connected with the inner wall of the base through a first spring, a safety rope is tied at the lower end of the rotating rod, and the end of the safety rope is connect