Major diameter tube sheet class forging forges uses revolving platform

Major diameter tube sheet class forging forges uses revolving platform, including the support, all be columniform hanging wall and gyration body, the central point of gyration body puts and is equipped with the centre bore, the lower terminal surface of hanging wall be equipped with the convex shoulder and with the pivot connected of centre bore cooperation, the terminal surface diameter that is located the hanging wall of convex shoulder top is greater than the terminal surface diameter of rotary body, support parcel on the partial outer peripheral face of gyration body, the support inboard be with the unanimous arcwall face of gyration body outer peripheral face shape, the inner edge of support upper end is the arcs of recesses face consistent with the convex shoulder shape, and is the clearance fit of interval unanimity between the lateral surface of the lower terminal surface of the up end of support and hanging wall, convex shoulder. The utility model discloses need not to squint the center in the spinni