Novel fire protection sandbox

The utility model provides a novel fire protection sandbox, including supporting the chassis, the longitudinal support board, horizontal backup pad, the transmission lead screw and the sand storage box body, the both ends of supporting the chassis are provided with the longitudinal support board respectively, the upper end of two longitudinal support boards is provided with horizontal backup pad, support the both ends above the chassis, the inboard that also is the longitudinal support board is provided with the bearing frame respectively, the bearing frame that the both ends of horizontal backup pad correspond below it is provided with the through -hole respectively, be provided with the transmission lead screw in the bearing frame, be provided with the nut on the transmission lead screw, the one end that every transmission lead screw passed horizontal backup pad through -hole is connected with servo motor, the fixedly connected with sand storage box body between the nut on two transmission lead screws, open