Sand washer for water conservancy equipment production

The utility model relates to the technical field of water conservancy equipment, and discloses a sand washing machine for water conservancy equipment production, which comprises a sand washing box body, a support frame is fixedly mounted on the lower surface of the sand washing box body, a vibration screening device is fixedly mounted in the middle of the sand washing box body, opposite crushing rollers are fixedly mounted at the top of the inner wall of the sand washing box body, and the opposite crushing rollers are fixedly mounted at the bottom of the sand washing box body. An opposite rotating gear is fixedly mounted on the right side face of the opposite crushing roller, and a driving motor connected with the right side face of the sand washing box body is fixedly mounted on the right side face of the opposite rotating gear. According to the sand washing machine for water conservancy equipment production, a rotating motor drives a rotating half gear to be engaged with a rotating gear to drive an arc-shap