Waterstop firm mounting device for wall joint position

The utility model discloses a waterstop firm installation device for a wall joint position, which comprises a straightening component and a plurality of fixing components, one end of the straightening component is fixedly arranged at the end part of a waterstop, the other end of the straightening component is fixedly arranged on an underground diaphragm wall, and two ends of the straightening component are contracted inwards and are used for straightening the waterstop; the plurality of fixing parts are uniformly and fixedly arranged at the top of the water-stop belt at intervals along the horizontal direction and are used for fixing the water-stop belt on a wall template; the fixing component is of an inverted-U-shaped structure, one side of the fixing component clamps the water stop belt, and the bottom of the other side of the fixing component is fixed to the top end of a wall formwork. According to the utility model, the waterstop can be firmly fixed, the stability of the waterstop is improved, the instal