Harbor and shipyard crane
max. 900 Mt, max. 275 000 kNm | HLMC
Huisman-Itrec
Our Heavy Lift Mast Crane (HLMC) is a compact powerful crane with high lifting capacities and state of the art technology. It is designed for heavy lift vessels used for oversea transport of large and heavy equipment. Most of the HLMC's are installed in a tandem configuration, one on each side or both at the same side of the vessel. Their capacity, range and structure are well-fitted for this specialised use.
The crane consists of a steel mast with a small rectangular footprint welded to the vessel. Around the mast the slew platform and mast head can rotate on slew bearings. The slew platform supports the boom, which is typically short compared to Offshore Mast Cranes. A boom hoist tackle supports the top of the boom from the mast head and controls the radius of the different hoists. Since the load moment is carried by the mast, the lower slew bearing is no longer a critical construction item. Slewing of the slew platform and boom is achieved by pinion drives which are mounted to the fixed mast and drive the lower slew bearing. The mast head follows the slew motion of the boom.
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