Cable winding and unwinding device for road and bridge construction

The utility model discloses a cable take-up and pay-off device for road and bridge construction, which belongs to the technical field of road and bridge construction and comprises a bottom frame, supporting plates are arranged at two ends of one side of the top of the bottom frame, and rotating shafts are rotatably connected to the tops of the adjacent ends of the two supporting plates. Supporting frames are arranged at the adjacent ends of the two sets of supporting plates, multiple sets of sleeves are evenly arranged at the two ends of each supporting plate, and multiple sets of notches are evenly formed in the end faces, close to the sleeves, of the supporting plates. The outward dragging end of the cable is located on the end faces of the first guide roller and the second guide roller, when the cable is dragged to a certain degree and needs to be cut, the length of the output end of a second electric push rod is increased, and a second pressing roller is driven to move towards the second guide roller; the