Tank body safety supporting device for replacement of bottom plate of large storage tank

The utility model discloses a tank body safety supporting device for replacing a bottom plate of a large storage tank, which comprises an annular packing ring, a jack, a first upright post, a second upright post, a base plate, a stress plate and a rib plate, the annular packing ring is horizontally fixed on a tank body in a surrounding manner, the rib plate is vertically fixed on the outer side of the annular packing ring, and the stress plate is horizontally fixed on the lower planes of the annular packing ring and the rib plate. The first stand column and the second stand column are vertically arranged below the stress plate side by side, the jacks are arranged between the stress plate and the first stand column, and the base plate is arranged between the stress plate and the second stand column. And the stability of the suspended storage tank is ensured, the construction cost is low, and the safety is high when workers operate. 本实用新型公开了一种大型储罐更换底板时罐身安全支撑装置，包括环涨圈、千斤顶、立柱一、立柱二、垫板、受力板、筋板，所述环涨圈水平环绕固定在罐身上，筋板竖直固定在