Steam turbine rotor balance block adding device

The utility model provides a steam turbine rotor balance block adding device, which is characterized by comprising a main rod, a movable auxiliary positioning sleeve, an l-shaped head, a hexagon and a connecting screw, wherein the hexagon is fixedly connected with the main rod, the l-shaped head and the connecting screw are respectively and fixedly arranged at the two ends of the main rod, the movable auxiliary positioning sleeve sheaths the main rod, the main rod has a certain fit clearance so that the movable auxiliary sleeve can slide on the main rod, the adding device is used for adding a balance block, the regulating speed can be accelerated, the work efficiency is improved, the processing is simple and convenient, and the outsourcing is not needed. In the overhaul and installation process, the fast installation can be realized without position limitation, in addition, the precision is ensured, and the overhaul time of electric enterprises is reduced.