Set machinery in the ship deck. This compact crane structure, the ship has more deck area available, less impact on the bridge upstairs sight. Deck cranes bearing easy operation, mobile crane bearing high working efficiency, and flexibility, before the job is no tedious preparatory work widely.
Deck cranes commonly used fixed rotating cranes, mobile cranes and gantry cranes rotation. Transmission power transmission and electricity - two hydraulic drive.
Fixed rotating crane
This crane most widely used, can be used alone or self aligning bearing in pairs in the starboard job. Weight is generally 3 to 5 tons. In the multi-purpose boat, requires a single crane can lift a 20 ft container, twin-lift can lift 40 feet container (30 tons), its starting weight of up to 25 to 30 tons.
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