Suspension bridge cable system dismantling support and using method thereof

The invention discloses a suspension bridge cable system dismantling support and a using method thereof.The dismantling support comprises a support body, connecting pieces arranged on the two sides of the support body in the extending direction of a main cable and a plurality of hanging basket steel wire ropes connected to the support body, and the lower ends of the connecting pieces are detachably fixed to the main cable; the lower ends of the hanging basket steel wire ropes are detachably and fixedly connected to the beam body, the hanging basket steel wire ropes hoist the hanging basket construction platform to a to-be-dismantled part firstly, then the hanging basket construction platform is fixed to the beam body and tightened, and the dismantling support is fixed through the two connecting pieces and the tightened hanging basket steel wire ropes so as to achieve stable supporting. The device can be accurately positioned at a to-be-demolished part in the demolition process of the suspension bridge cable s