FIELD: transport.
SUBSTANCE: invention relates to drive of lifting platforms driven by rack mechanisms moving along guide supports. Proposed drive comprises engine, reduction gear and centrifugal brake. Besides said drive comprises wheel with overrunning clutch. Note here that centrifugal brake is engaged directly with reduction gear high-speed shaft while engine drives of running parts of the wheel with said overrunning clutch depending upon sense of rotation.
EFFECT: higher safety in operation.
23 cl, 7 dwg
Title | Year | Author | Number |
---|---|---|---|
HOISTING MECHANISM | 2010 |
|
RU2446090C1 |
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WINCH | 2009 |
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ELEVATING APPLIANCE | 2004 |
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METHOD AND CONFIGURATION FOR SUPPLY OF DRIVING AND/OR NON-DRIVING ENERGY IN HELICOPTER STRUCTURE BY AUXILIARY POWER ENGINE | 2013 |
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RU2639838C2 |
OVERRUNNING CLUTCH | 0 |
|
SU1208362A1 |
LIFT DRIVE | 0 |
|
SU632633A1 |
SHIP LIFTER | 2012 |
|
RU2497743C1 |
Authors
Dates
2013-05-10—Published
2008-05-06—Filed