Freight port cable lifting device

A freight port cable lifting device comprises a rotating base installed on one side of a ship crane, a telescopic rod is installed on the rotating base, and a cable conveyor is installed on the telescopic rod. The rotating seat comprises a base which is welded and fixed on a ship deck; shaft hole is formed in base, rotating shaft arranged in shaft hole, the telescopic rod comprises a plurality ofpull rods which are sequentially sleeved; one end of the telescopic rod is connected to the hinged support through a shaft, a towing bracket is installed at the other end of the telescopic rod, a plurality of guide roller sets are installed on the pull rod, a plurality of second inserting holes are formed in the pull rod, after the telescopic rod is lengthened, a plurality of second inserting rodsare inserted into the second inserting holes, and stretching and retracting of the pull rod are limited by the second inserting rods. A lifting lug is mounted on the pull rod; and a crane hook is hooked on the lifting lug. Th