FIELD: mechanical engineering; lifting equipment.
SUBSTANCE: proposed lift contains cabin and counterweight suspended from system of lifting ropes of round cross section passed over or several rope sheaves provided with rope grooves, one of which being rope guide pulley driven by winch. At least one rope sheave is provided with coating adhesively connected with sheave and provided with rope grooves, thickness of coating in bottom zone of groove is less than half of thickness of rope passing in said groove, and hardness is less than 100, A. Shore hardness number, but not greater than 60, A. shore hardness number, and thickness of coating of rope guide pulley dies not exceed 2 mm.
EFFECT: improved wear resistance and increased service life of rope guide pulley and lift as a whole.
8 cl, 7 dwg
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|---|---|---|---|
| LIFT, ROPE-DRIVING PULLEY THEREOF AND COVERING FOR ROPE-DRIVING PULLEY GROOVES | 2001 |
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