Positioning tool for integrated hub and lock ring and machining and segmenting technology of positioning tool

The invention relates to a positioning tool for an integrated hub and a locking ring and a machining and segmenting process of the positioning tool. The device comprises a hydraulic three-jaw hydraulic chuck and a base plane adjusting disc, the three-jaw hydraulic chuck comprises a three-jaw pull arm and an embedded pressing jaw connected to the three-jaw pull arm, a radial locking bolt and an axial locking bolt are connected between the three-jaw pull arm and the embedded pressing jaw, the base plane adjusting disc is connected with a base cushion block, a receding structure is arranged at the outer end of the base cushion block, and the base plane adjusting disc is connected with the base cushion block. The inner rim of the hub is fixed to the upper end face of the base cushion block through an embedded pressing claw, the base face adjusting disc is connected with a base thread core rod, the thread core rod is in threaded connection with a center shaft, the center shaft is axially connected with a center po