Sand unloading gate plate of sand transport truck

The utility model relates to the technical field of sand unloading flashboards, in particular to a sand unloading flashboard of a sand carrier, which comprises a sand unloading flashboard body, a sand unloading port is arranged in the middle of the sand unloading flashboard body, and a sand outlet slope is arranged below the sand unloading port. The limiting piles are fixedly installed on the two sides of the sand discharging opening, sealing plates are movably installed on the inner sides of the limiting piles, and abutting attaching pieces are installed at the connecting positions of the sealing plates and the limiting piles; and the conveying threaded sleeves are fixedly connected to the two sides of the sealing plate, threaded rods are installed in the conveying threaded sleeves, and servo motors are connected to the lower portions of the threaded rods. Compared with an existing device, the sand unloading gate plate of the sand carrier can drive the threaded rod to rotate through the servo motor, and the