900 T box girder elevating type steam-cured shed

The utility model discloses a 900 T box girder elevating type steam-cured shed. The steam-cured shed comprises a shed frame, upright posts and a tarpaulin covering the shed frame, wherein the upright posts are divided into two rows and are distributed at the two ends of the shed frame; the bottom parts of the upright posts are connected into a whole through bottom connecting rods; the shed frame adopts a steel truss structure formed by splicing a plurality of segmentations; six intersecting points at the middle part of each steel truss segmentation are downwards connected with six claw-shaped supports; each claw-shaped support is formed by welding a main steel tube connected with the intersecting points of the shed frame and four branch steel tubes; the lower ends of the branch steel tubes are connected with the main steel tube; the upper ends of the branch steel tubes are welded with shed frame rods around the intersecting joints; at least two vertically arrayed adjustable openings are formed at the lower pa