Drainage gate for water conservancy project

The utility model discloses a water discharging gate for a water conservancy project. Door slot frame body, a mounting frame is fixedly mounted on the surface of the door slot frame body; a limiting plate is fixedly installed in the middle of the frame wall of the door groove frame body, contact pads are bonded to the two side faces and the bottom face of the frame wall of the door groove frame body, an inner threaded pipe is installed at the top of the door groove frame body in a penetrating mode, a threaded shaft is in threaded connection with the interior of the inner threaded pipe, and a gear motor is fixedly installed at the top end of the threaded shaft. A sliding frame plate is inserted into the supporting sleeve frame; the handle or the connecting rod is pulled up or pressed down;the sliding frame plate can slide in the supporting sleeve frame; therefore, the sliding frame plate pushes the cutting and scraping knife to scrape the front face of the door groove frame body, sundries clamped on the door g