X-shaped sleeper replacing device

The utility model provides an X-shaped sleeper replacing device, and belongs to the technical field of railway construction equipment. The replacing device comprises a ballast digging mechanism and a grabbing mechanism. The ballast digging mechanism comprises a connecting plate, a main shovel plate and two auxiliary shovel plates. The main shovel plate comprises two shovel point plates, the two shovel point plates are arranged at a first included angle and connected with the connecting plate, the two auxiliary shovel plates are connected with the connecting plate and symmetrically arranged on the two sides of the main shovel plate, and the auxiliary shovel plates and the main shovel plate are arranged at intervals. The grabbing mechanism comprises a rotating shaft rod, a driving support and two clamping jaws. One end of the rotating shaft rod is used for being connected with a driving instrument, the rotating shaft rod is arranged in the vertical direction, the other end of the rotating shaft rod is connected