Split type booster set turning gear

The utility model discloses a split type booster unit turning gear which comprises a top pressure plate, a through hole concentric with a gland of a split type booster unit turning box is formed in the middle of the top pressure plate, and three clamping and embedding grooves are formed in the plate face of a fixed pressure plate. The top pressure plate is coaxially fixed on a gland of a jigger box of the split type booster unit; a hole is formed in the middle of the locking disc, the diameter of the hole is larger than that of a nut of a turning screw of the split type booster unit, a protruding edge is arranged on the turning screw, and the diameter of the protruding edge is larger than that of the hole; the three clamping and embedding parts are arranged on the outer circumferential surface of the locking disc and are in one-to-one correspondence with the clamping and embedding grooves; and the clamping and embedding part enters the clamping and embedding groove along with the coaxial movement of the locki