Novel structure for enabling anchor belt of inner tank of LNG full-capacity tank to penetrate through secondary bottom plate

The utility model discloses a novel structure for an anchor belt of an inner tank of an LNG (liquefied natural gas) full-capacity tank to penetrate through a secondary bottom plate, which relates to the technical field of LNG full-capacity tanks and comprises the inner tank, an inner tank bottom plate, the secondary bottom plate, an outer tank bottom plate and the anchor belt, and the inner tank bottom plate, the secondary bottom plate and the outer tank bottom plate are sequentially arranged at the bottom of the inner tank. Movable sleeves penetrating through the inner tank bottom plate, the secondary bottom plate and the outer tank bottom plate are uniformly arranged among the inner tank bottom plate, the secondary bottom plate and the outer tank bottom plate, a plurality of groups of elastic structures are arranged at the top ends in the movable sleeves, buffer columns are arranged at one ends of the elastic structures, and anchor belts penetrating through the interiors of the movable sleeves are arranged