But rotation sealing ring lifting device

The utility model provides a but rotation sealing ring lifting device for in the hoist and mount process in the wind -powered electricity generation manufacturing field in the sealing ring course of working. The lifting device comprises suspender, rings, rotatable piece, fixed bolster, locking main part piece, the handle of screwing, sealing ring, spacing handle. Processing has location notch, locking with the spacing hand handle hole of threaded holes and on the locking main part piece, rotatable piece suit is on the member of locking main part piece, fixed bolster and the spot welding of locking main part piece are in the same place to the rotatable piece outside of fixed bolster suit on locking the main part piece, rings install in in the hole for hoist of rotatable piece, the suspender penetrates in the rings. The sealing ring external diameter department that the location groove opening position card that will lock the main part piece before lifting by crane goes into will hoist, two locking main part pi