The steam turbine generator rotor extraction device is a special equipment used when the generator rotor needs to be drawn out for maintenance during the generator overhaul process and when the generator rotor is to be reinserted after maintenance. This equipment solves the primitive method of manually pulling the generator rotor out and reinserting it with a chain block.

When extracting or inserting the rotor, it is controlled by an electrical button, which can safely draw the generator rotor out and insert it into the designated position. The equipment is equipped with a clutch design. After the clutch is engaged or disengaged, the wire rope (with a traction force of 23 t) can be quickly reeled in or out by using the handwheel.

The principle of the generator rotor extraction device is as follows: Connect the special flange for generator rotor extraction to the excitation end of the generator rotor, assemble the balance pulley set, connect it with the main engine using a steel wire rope, and then extract the rotor.

The principle of the generator rotor insertion device is to insert the rotor into the stator of the generator by using the reaction force method. Fix the special fixed pulley set of the extraction and insertion device on the screw holes of the end face of the generator stator. Through the matching extension shaft and small cross beam, use the reaction force to push the rotor into the bore of the stator. The generator rotor extraction and insertion device is designed with two output speeds, and the two speeds can be used alternately during operation.