Anti-corrosion and fireproof combined system for main cable of suspension bridge

The utility model provides an anti-corrosion and fireproof combined system for a main cable of a suspension bridge, and belongs to the technical field of bridge fire resistance and corrosion resistance. Comprising a main cable, a plurality of cable clamps are arranged on the main cable, and the cable clamps are arranged at intervals in the length direction of the main cable; the external sealing part of the main cable is divided into a wire winding area and a non-wire winding area (the cable clamp position). The wire wrapping area protection structure is composed of a Z-shaped wrapping wire, a wrapping belt, a fireproof layer and a sealing outer layer from inside to outside, and the fire-resistant protection layer is formed by combining a high-temperature-resistant aerogel felt blanket and a fireproof thermal insulation adhesive tape; a clamping groove of a main cable outer wrapping layer is formed in the end of the cable clamp, and the outer wrapping layer at the end of the cable clamp is adjusted, so that t