FIELD: shipbuilding.
SUBSTANCE: invention relates to boat lifting cranes. Boat lifting crane for lowering and lifting of double-hull floating facilities comprises truss, cargo suspension units with automatic grip, tracking winch with guide rope, cargo winch, tracking winch of cargo rope, damper and descent-lift control system. Trailing winch of cargo rope is equipped with electrohydraulic drive, and in the control system there is a doubling supply chain of the follow-up winch of the load cable with an actuation button on the control panel and normally closed contact of the relay, installed in power supply circuit of guide rope follower electric motor.
EFFECT: higher reliability of boat lifting crane operation.
1 cl, 1 dwg
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