Patent ID: 6081573
Filing Date: 2000-06-27
Classification: B66C

Abstract:
A reactor internal equipment hoisting apparatus which is hung down from an upper side of a reactor pressure vessel to hoist a reactor internal equipment installed in the reactor pressure vessel, comprising:a supporting unit hung down from the upper side of the reactor pressure vessel by an overhead travailing crane installed on a reactor building;an elevating unit arranged below the supporting unit;a coupling/fixing unit provided to the elevating unit to be releasably coupled with a hoisting lug of the reactor internal equipment;a power hoist using a rope or a chain and provided to the supporting unit so that the rope or the chain can hang down the elevating unit from the supporting unit so as to move the elevating unit vertically;wherein the supporting unit comprises a supporting frame which is formed by coupling a pair of hoisting beams to intersect with each other;the elevating unit comprises an elevating frame which is formed by coupling a pair of elevating beams to intersect with each other; anda coupling/fixing unit is provided to respective end portions of the elevating beams.