Device for momentary support of the upper internal parts on a vessel of a pressurised water reactor

摘要

The invention relates to a support device (20) comprising at least two sets (21), each comprising a frame (22) formed by a central element (23) for centring and positioning on the flange of the reactor vessel, and two lateral arms (25) extending either side of the central element (23), the free end (25a) of each lateral arm (25) comprising a wedge (30) for centring on the inner edge of the vessel (1) and for supporting the upper inner parts above the fixing position on the lower inner parts.