Basement aluminum mold supporting structure

The utility model relates to the technical field of building formwork construction, in particular to a basement aluminum formwork supporting structure which comprises a steel outer pipe, an aluminum alloy inner pipe, an adjusting sleeve and a transverse rod assembly. A mounting hole is formed in the steel outer pipe along the axis, and a strip-shaped hole is formed in the side wall of the steel outer pipe along a generatrix; the aluminum alloy inner pipe is coaxially inserted and matched with the mounting hole, a lock hole is formed in the side wall of the aluminum alloy inner pipe, and an aluminum mold supporting part is arranged at the top of the aluminum alloy inner pipe; the adjusting sleeve is in threaded fit with the steel outer pipe and provided with a pin shaft which penetrates through the strip-shaped hole and then is connected with the lock hole in a locked mode. The cross rod assembly is connected with the lock hole in a locked mode. The basement aluminum formwork supporting structure is light in w