Technical improvement and replacement equipment for post-market medium-voltage cable of wind generating set

A wind generating set aftermarket medium-voltage cable technical improvement and replacement device comprises an electric hoist, a platform, a mechanical lifting lug, a fixed pulley, a cable net bag, a rubber sleeve clamping block for medium-voltage cable technical improvement, a medium-voltage cable and an electric hoist steel wire rope, the electric hoist is fixed to the platform, and the mechanical lifting lug is installed above an original tower cable fixing point. The fixed pulley is hung on the mechanical lifting lug, the cable net bag is used for fastening the medium-voltage cable for technical improvement, and it is ensured that the medium-voltage cable does not slide down when the medium-voltage cable is lifted. The electric hoist adopts an electric and bottom-to-top medium-voltage cable method for market technical improvement, so that the working hours are saved, the working intensity is reduced, and the long-term use of the electric hoist is facilitated; the working efficiency of medium-voltage cab