Large-sized steel pipe cold-bending forming device

The utility model patent relates to a forming device, in particular to a large-sized steel pipe cold-bending forming device. The large-sized steel pipe cold-bending forming device comprises a platform, wherein the platform is provided with one group of lower die mechanism and two groups of upper die mechanisms; and the one group of lower die mechanism is arranged between the two groups of upper die mechanisms. The large-sized steel pipe cold-bending forming device is reasonable in structure, reliable in stress and convenient to operate; and the operation efficiency as well as the operation safety is improved.