Movable sealing cover of plate-and-frame sludge dewatering machine

The utility model discloses a movable sealing cover of a plate-and-frame sludge dewatering machine, belongs to the field of sealing covers of plate-and-frame sludge dewatering machines, and solves the problems that the existing sealing cover is poor in sealing effect and inconvenient to move. The device comprises a pressing plate, a buckle plate and two bottom plates, the two bottom plates are fixed to the ground on the two sides of a dehydrator body, the buckle plate is fixed to the bottom of the pressing plate, the bottom of the pressing plate on the two sides of the buckle plate is provided with two hydraulic cylinders, the bottom of each hydraulic cylinder is provided with a pulley, each bottom plate is provided with a sliding rail, and the sliding rails are arranged on the two sides of the buckle plate. The pulleys are mounted in the sliding rails in a sliding manner; a clamping ring surrounding the outer wall of the dehydrator body is arranged above the bottom plate, a clamping groove matched with the b