Cast-in-place large-area reinforced concrete hollow special-shaped cylinder mold

The utility model discloses a cast-in-place large-area reinforced concrete hollow special-shaped cylinder die which comprises a shell-shaped die and a reinforcing steel bar supporting structure used for supporting the shell-shaped die. The shell-shaped mold is formed by splicing two arc-shaped side mold plates to form a hollow-out space, an inclined supporting part is arranged on one side of the upper end of each side mold plate, a connecting part is arranged on the other side of the upper end of each side mold plate, a lifting lug hole is formed in the middle of each side mold plate, and thelower portions of the side mold plates are spliced to form a cylindrical concrete pouring space. An internal supporting rod is formed between the side templates through steel pipes or square timbers;the steel bar supporting structure is arranged on the outer side of the inclined supporting part of the side formwork, the steel bar supporting structure comprises a supporting vertical rod parallel to the column body and a su