Steam turbine shaft of thermal power factory holds case annular blinker subassembly

The utility model discloses a steam turbine shaft of thermal power factory holds case annular blinker subassembly, including three blinkers, packing ring, screw bolt and nut, the blinker in the middleof open and to have the hole of emboliaing steam turbine shaft, the upper and lower range level of three blinkers place, the blinker on open the mounting hole that there is a plurality of evenly distributed, be equipped with the packing ring between two adjacent blinkers, the packing ring is corresponding with the mounting hole, the bolt inserts in the mounting hole of blinker and tighten the bolts, makes three blinker fixed connection. The utility model has the advantages of simple structure, convenient operation, blinker subassembly make the bearing seal leak steam and produce the throttleeffect step by step, make the constantly loss and lose pressure of the steam momentum that spills, avoid or try one's best few bearing seal leaking in steam gets into the bearing box, and also the microparticle in effectual is