CABLE CRANE Russian patent published in 2003 - IPC

FIELD: load lifting and transportation equipment. SUBSTANCE: proposed cable crane has support towers, carrying wire rope with ends fixed on both towers, lifting and pull wire ropes, lifting and pulling winches, load trolley with container, leading blocks of pull wire rope, and fasteners of free of lifting wire rope. Load trolley moves along carrying wire rope by means of pull wire rope and winch. Aerostat is connected to carrying wire rope by means of wire rope and suspension unit on which leading blocks of pull wire rope and fasteners of free end of lifting wire rope are installed. EFFECT: increased load capacity of cable crane over designed value without increasing tension of carrying wire rope by more than tolerable value. 2 cl, 3 dwg