FIELD: transport.
SUBSTANCE: proposed system comprises hydraulic circuit of auxiliary winch, hydraulic circuit of the main pull winch with controlled reversible fluid pump, proportional controller, built-in boost pump, three-position hydraulic pressure control valve, hydraulic motor with flushing and safety valves. Flow rate controller, oil cooler and head valve are fitted between said circuits. Hydraulic circuit of auxiliary winch incorporates an extra hydraulic circuit of lifting winch or extra hydraulic circuit of bulldozer shovel.
EFFECT: higher reliability, enhanced performances.
3 dwg
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Authors
Dates
2015-06-20—Published
2014-02-11—Filed