FIELD: lifting equipment.
SUBSTANCE: vertical elevator drive incorporates traction appliance (11) passed through deflecting device and connected with counterweight (G) and cab (K). Proposed drive incorporates drive motors (1.1, 1.2; 2.1, 2.2; 3.1, 3.2; 4.1, 4.2) furnished with drive wheels. In operation, said drive wheels roll, with friction closure, on over working parts (5) of rails running in vertical direction (Z). Drive motors (1.1, 1.2; 2.1, 2.2; 3.1, 3.2; 4.1, 4.2) with drive wheels are arranged to turn about appropriate rail. They are designed to exploit actuator for creating friction closure of drive wheels (1.1a, 1.2a; 2.1a, 2.2a; 3.1a, 3.2a; 4.1a, 4.2a) with appropriate part (5) of rails. There is an interlocking device to lock drive wheels in position set by actuator.
EFFECT: safe friction interlocking of wheels and rails.
12 cl, 6 dwg
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Authors
Dates
2010-01-27—Published
2008-06-20—Filed