High-altitude steel structure circulating construction operation platform

The utility model discloses a high-altitude steel structure circulation construction operation platform which comprises a platform bottom plate capable of being arranged on a steel structure in a sleeved mode, the platform bottom plate is formed by splicing two C-shaped bottom plates, two horizontal supports are arranged at the bottom of each C-shaped bottom plate, inclined struts are arranged between the horizontal supports and the steel structure, and the inclined struts are arranged on the platform bottom plate. The outer edge of each C-shaped bottom plate is provided with a C-shaped guardrail, the top of each C-shaped guardrail is provided with a connecting guide chain, a dismounting guide chain is connected between the two connecting guide chains, and the tops of the two C-shaped guardrails are hinged. The C-shaped guardrail is reasonable in structural design and convenient to mount and dismount, the two C-shaped bottom plates are spliced together to form the platform bottom plate capable of being arrang