Working bearing indexing means for wheel slot of turbine rotor

The utility model provides a processing, supporting and indexing device for a wheel groove of a steam turbine rotor, which comprises a supporting mechanism, an indexing device and a grating detecting device which are arranged on a bed body. The clamping mode of a steam turbine is the mode of a connection and two supports, the indexing device is connected with one end of the rotor through a shaft coupling, and front and back supports, an auxiliary support and the grating detecting device which can move along a guide track of a bed body are placed on the bed body. The front and the back supports are respectively supported at the shaft diameter at two ends of the rotor, the middle of the rotor is provided with the auxiliary support and the end of the rotor is provided with the grating detecting device. A special machine tool which is combined by the utility model and a numerical control floor type boring and milling machine or a special horizontal type numerical control milling machine is suitable for processing the steam turbine rotor, the diameter of which is below phi 1600 mm, the processing length of which is within 8000 mm, and the indexing accuracy of the wheel groove of which is +-5', the rotor for an electric machine, a blower rotor axial direction straight groove, an axial direction sloping groove and an axial direction circular arc groove. Use is convenient, a large quantity of funds of adding import equipment can be saved and product cost is reduced.