Construction clamp at groove of waterproof roll parapet wall

The utility model relates to the technical field of waterproof construction, in particular to a waterproof roll parapet wall groove construction clamp which comprises a fixed clamping plate and a movable clamping plate, a horizontal plate is perpendicularly arranged on one side of the fixed clamping plate, a plurality of vertical rods are arranged on the horizontal plate and located on the opposite side of the fixed clamping plate, and the movable clamping plate is arranged on the side, away from the horizontal plate, of the fixed clamping plate. A threaded rod is arranged between the fixed clamping plate and the movable clamping plate, one end of the threaded rod is fixedly connected to the fixed clamping plate, and the other end of the threaded rod penetrates through the movable clamping plate and is movably connected with a nut. The fixed clamping plate is fixed to the inner wall of the groove of the parapet wall, then the laid waterproof coiled material is pressed and fixed through the movable clamping pl