Water stop belt fixing device

The utility model relates to a waterstop fixing device. The waterstop fixing device comprises a positioning clamping plate, a U-shaped clamp, a nut and a screw. The U-shaped positioning clamping plates are symmetrically arranged on the two sides of the water stop belt, the steel plate stand columns are arranged on one sides of the positioning clamping plates, the steel pipe is clamped in the middles of the positioning clamping plates, the U-shaped clamps cover the steel pipe and are fixedly connected with the U-shaped positioning clamping plates through bolts, open holes are formed in the upper portions of the U-shaped clamps, and the two steel plate stand columns penetrate through the holes and are connected and fixed through nuts and screws. The two positioning clamping plates are connected into a whole through the fixing nuts and the screws. According to the utility model, the water-stop belt is prevented from deviating, turning or S-shaped twisting in the vibration process of the bottom plate lining concr