Mechanical grating slag receiving device

The utility model discloses a mechanical grating slag receiving device which comprises a water collecting hopper, the lower portion of the water collecting hopper is installed on the ground through supporting legs, the water collecting hopper is located below a slag discharging opening of stepped grating equipment, a water filtering hole plate is arranged in the water collecting hopper, the water filtering hole plate is installed in the water collecting hopper in an inclined mode, and the water collecting hopper is divided into an upper layer and a lower layer through the water filtering hole plate. A slag scraping plate is arranged on the water filtering pore plate, a waterproof motor is arranged on the lower portion of the water filtering pore plate, a machine shell of the waterproof motor is connected with the lower portion of the water filtering pore plate, a rotating shaft of the waterproof motor is connected with one end of the slag scraping plate, and the lower end face of the slag scraping plate abuts