Sand screening equipment for water conservancy project

The utility model relates to the technical field of sand screening devices, and discloses sand screening equipment for water conservancy projects, which comprises two supporting plates, open grooves are formed in the plate walls of the two supporting plates, a screening frame is mounted between the open grooves on the two sides, a vibrating mechanism is mounted on the plate wall of the supporting plate on the left side, and the vibrating mechanism is mounted on the plate wall of the supporting plate on the right side. A vibrating part of the vibrating mechanism corresponds to the side edge of the bottom of the screen frame in position, limiting grooves are formed in the front groove wall and the rear groove wall of the open groove located in the left side in a penetrating mode, limiting rods combined with the limiting grooves are installed on the front side face and the rear side face of the screen frame correspondingly, and a blocking piece attached to the side face of the bottom is installed in the screen f