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Lift crane for use on offshore vessel and method of operation

A crane and boom technology, applied in cranes, mechanical equipment, ship accessories, etc., can solve problems such as unfavorable ship stability

Pending Publication Date: 2022-03-18
ITREC BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, large cranes can be detrimental to the stability of the ship during its transport

Method used

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  • Lift crane for use on offshore vessel and method of operation
  • Lift crane for use on offshore vessel and method of operation
  • Lift crane for use on offshore vessel and method of operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0146] The invention relates to an embodiment of a hoisting crane or a multi-configuration crane system that may be used, for example, on an offshore vessel. exist Figure 1a-Figure 4b In , an exemplary jack-up marine vessel 1 is shown to detail known features of lifting cranes and marine vessels. will refer to later Figure 5a-Figure 5e The details of the present invention will be described.

[0147] Figure 1a-Figure 4b The jack-up marine vessel 1 shown in includes a hull 2 ​​and a plurality of generally vertical leg openings 5a, 5b, 5c, 5d through the hull. Here, the hull is implemented as a boat. Alternatively, the hull is implemented as a barge or a platform or a semi-submersible or the like. The hull 2 ​​shown includes a deck 3 .

[0148] The leg openings 5a-5d are spaced around the hull. exist Figure 1a with Figure 1b In , two of such openings are visible, while the ship comprises four of such openings as can be seen in the top view of FIG. 2 . Generally, the...

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Abstract

The invention relates to a lift crane or a multi-configuration crane system for use on an offshore vessel, such a vessel and a method of operation. The hoist crane includes a boom having a proximal end portion, an intermediate portion, and a distal end portion. An extension mechanism is provided that is configured to allow the distal end portion to slide relative to the intermediate portion from a retracted configuration in which the intermediate portion is substantially disposed within the distal end portion to an extended configuration.

Description

technical field [0001] The invention relates to a hoisting crane and a multi-deployment crane system for use on an offshore ship, the ship and a method for operating such a hoisting crane, multi-deployment crane system and / or ship. [0002] In particular the invention relates to a lifting crane for handling one or more offshore wind turbine components of an offshore wind turbine, such as a nacelle and / or one or more components housed in and / or mounted on the nacelle , such as gearboxes, generators, hubs and / or blades, for example for installation and / or maintenance of offshore wind turbines. Background technique [0003] In the field of offshore wind turbines, there is a need for taller cranes to handle components "at the top of the nacelle", including for example the handling of the nacelle itself of the offshore wind turbine, and / or the handling of components housed in the nacelle and / or Or one or more components installed on the nacelle, such as the treatment of the gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/52B66C23/70B66C23/82
CPCB66C23/52B66C23/703B66C23/708B66C23/82F03D13/10B63B27/08B63B27/10B63B35/44B63B2035/446B66C23/185B66C2700/0321F05B2230/6102
Inventor J·鲁登伯格
Owner ITREC BV