Sand discharging structure of hydroelectric power station

The desilting structure comprises a reservoir area desilting opening, a sand scraping mechanism, a fixing frame body and a sand scraping plate, the fixing frame body is arranged above the reservoir area desilting opening, the sand scraping mechanism is arranged at the bottom end of the interior of the fixing frame body, a roller is arranged in the center of the sand scraping mechanism, and the sand scraping plate is arranged at the bottom end of the interior of the fixing frame body. And the two ends of the roller are rotationally connected with the inner wall of the fixing frame body through rotating shafts, stirring pieces are fixed to the rotating shafts, and sand scraping plates are evenly distributed on the outer side of the roller. By installing the reservoir area sand discharging opening, the sand scraping mechanism, the rotating shaft, the stirring piece, the roller, the fixing disc and the sand scraping plate, during water discharging, the impact effect of water flow drives the stirring piece to rota