Safety protection device for long-distance undercrossing riverway dragging pipe construction

The utility model belongs to the technical field of dragging pipe construction, and particularly relates to a safety protection device for long-distance undercrossing riverway dragging pipe construction, which comprises a support plate, a mounting component connected with a fixed footing is mounted at the bottom end of the support plate, and a first arc-shaped ring is mounted on the top surface of the support plate. The safety protection device comprises a supporting plate, the two ends of the top surface of the supporting plate are connected with supporting rods respectively, the top ends of the supporting rods are in threaded connection with adjusting rods, and a closing plate is installed at the top ends of the adjusting rods. And meanwhile, the distance between the first arc-shaped ring and the second arc-shaped ring can be adjusted according to the size of the dragging pipe, use of the dragging pipes of different sizes is met, then impact on the safety protection device when the dragging pipes are placed