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Core Definition: A dedicated lifting equipment designed exclusively for offshore ship-to-ship and ship-to-shore lightering operations. Typically installed on the deck of lightering vessels / floating cranes, it is used for the transfer of bulk cargo, general cargo and containers between large ocean-going vessels and barges / terminals, without relying on fixed ports.

1. Core Features

• Strong adaptability to severe sea conditions: Low center of gravity and anti-swing design, enabling stable operation under wave height of 2–3 meters and wind scale 6.
• High mobility: Movable with the vessel, operable in global sea areas, solving the problems of insufficient deep-water ports and efficient transshipment in shallow waters.
• Heavy-duty & high efficiency: Standard lifting capacity of 50–200 tons, fast hoisting speed (up to 140 m/min), supporting both grab and hook modes.
• Anti-corrosion & explosion-proof: Full marine-grade corrosion and salt-spray protection; some heavy-duty models equipped with explosion-proof systems.

2. Typical Structure

• Base: Marine high-strength steel, rigidly connected to the hull.
• Boom: Truss / box-type telescopic boom, with an operating range of 20–50 meters.
• Drive: Full-frequency conversion electric drive / hydraulic drive, 360° rotation.
• Control system: Intelligent frequency conversion, anti-swing, and remote operation.

3. Main Applications

• Offshore bulk cargo lightering (coal, bauxite, iron ore)
• Loading and unloading in terminal-free / shallow water areas
• Material supply for offshore platforms
• Emergency salvage and rescue