SHAFT SKIP CARGO HOIST Russian patent published in 2015 - IPC B66B17/08 B66B15/00 B66B11/08 

FIELD: transport.

SUBSTANCE: shaft skip cargo hoist contains two skips and counterweight located in shaft and two skips and counterweight kinematically connected with traction steel wire rope with multiturn friction pulley. Skips are fixed on ends of traction rope. One of skips in initial position is located in lower part of shaft in the area of loading, and the other skip is located in upper area of shaft in the area of unloading. The traction rope is kinematically connected with the second multiturn friction pulley. Herewith, the traction rope section located between friction pulleys rounds two stacked reversible blocks located above friction pulleys and between them - fixed upper block and hanged to it on traction rope lower reversible block with counterweight attached to lower block by means of counterweight hanging to bearings of its spindle.

EFFECT: increase in hoist efficiency.

2 dwg