Drainage box culvert plugging device without being fixed underwater

The utility model discloses a drainage box culvert plugging device without underwater fixation, the plugging device comprises four guide frames and a middle plugging plate, the four guide frames are installed and fixed on the side wall of a box culvert, a gap is reserved between the four guide frames, a single guide frame adopts a frame type structure welded by angle steel, and the position close to the outer side of the box culvert is of an inverted U-shaped structure. The guide frames can be nested on the side wall of the box culvert, bolt holes are reserved in the angle steel at the tops of the guide frames, bolt holes are also reserved in the angle steel of the inverted-U-shaped structure on the outer sides of the guide frames and used for installing expansion bolts, and the plugging plate is placed in a gap formed by the four guide frames, is limited and fixed by means of the angle steel on the inner sides of the guide frames and is used for resisting the impact effect of water flow. The box culvert plug