Platform for butt joint of modularized cold boxes

The platform comprises a lower section cold box module and a plurality of overhanging supports, a plurality of clamping groove block assemblies are evenly welded to the periphery of the outer wall of the upper portion of the lower section cold box module, each clamping groove block assembly comprises an upper clamping groove block and a lower clamping groove block, and the upper clamping groove block and the lower clamping groove block are oppositely arranged up and down. The overhanging support comprises a cross beam, a supporting rod, an upper inserting block and a lower inserting block, the upper inserting block inserted into the upper clamping groove block is arranged on the lower portion of one end of the cross beam, the supporting rod is obliquely arranged on the lower portion of the other end of the cross beam, the lower inserting block inserted into the lower clamping groove block is installed at the lower end of the supporting rod, and a vertical rod is vertically installed on the outer side of the u