Opening and closing device of hydraulic engineering sluice

The invention discloses an opening and closing device of a water conservancy project sluice, and belongs to the technical field of water conservancy project devices. An opening-closing mechanism for driving the gate to open and close is arranged on a mounting frame of the opening-closing device and comprises an opening-closing machine body, a first motor is arranged at one end of a first rotating shaft of the opening-closing machine body, and a first hand wheel is arranged at the other end of the first rotating shaft; protection mechanisms are arranged at the top and the bottom of the hoist body, and the protection mechanisms are connected with the opening and closing mechanism through transmission mechanisms; the clamping groove comprises a horizontal groove in the middle and inclined grooves with the two ends inclined upwards, and the horizontal groove is connected with the guide groove through the inclined grooves. An impurity preventing mechanism is arranged in the clamping groove, a sweeping mechanism fo