MONORAIL OVERHEAD-TRACK HOIST Russian patent published in 1994 - IPC

FIELD: hoisting mechanisms. SUBSTANCE: overhead-track hoist has a truck mounted on a monorail on which a different-arm beam is fixed. This beam has, for example, two channels. Two winches are fastened to the beam. Drums of each winch are made with two-start grooves, that is, two rope sections are wound on each drum. Rollers are mounted on the ends of the beam. Two carriages are mounted inside the beam, one carriage on each side of the beam. Shackles, rollers and rolls are mounted in the carriages. Each rope from one drum is passed over its own roller of the carriage, is fastened on a cargo-gripping device or passes through a block roller and is fastened on the carriage shackle. EFFECT: improved structure. 2 cl, 3 dwg