FIELD: load hoisting mechanisms. SUBSTANCE: device has pulley block body 11 with several branches 25, 26, 27 and 28 and several sheaves 12 and 13 over which hoisting cable 4 passes. Sheaves and cable form pulley block. Device has also hanger 15 installed for rotation about vertical axle 14 and furnished with hook 9 and electric motorizing device 16 for setting hanger 15 into rotation. Sheave 13 over which pulley block cable passes, sets into rotation electric generator 35 which charges storage batteries intended to supply motorizing device 16 with power. Hook and load turning device is designed for tower cranes and other cable hoisting mechanisms. EFFECT: enlarged operating capabilities. 8 cl, 5 dwg
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