Cable crane system

The utility model provides a cable crane system which comprises two towers, a plurality of bearing cables, a first gravity anchorage, a rock anchor foundation and a second gravity anchorage, two ends of each bearing cable are respectively a fixed end and an adjusting end, and the fixed ends of the bearing cables are fixed on the second gravity anchorage; the adjusting end of the bearing cable is fixed on a rock anchor foundation through an adjusting mechanism, and a round steel embedded part is embedded in the rock anchor foundation; the adjusting mechanism comprises an adjusting rope, a rope adjusting winch, a clamping ring, a movable pulley and a plurality of fixed pulleys connected to the round steel embedded part. One bearing cable corresponds to the multiple adjusting ropes, one end of one adjusting rope is fixed to the wheel frame, and the other end of the adjusting rope sequentially winds around the fixed pulley and the movable pulley and then is pulled by the cable adjusting winch; according to the ut