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.
本发明涉及一种在海上船上使用的升降起重机或多配置起重机系统、此船和操作的方法。所述升降起重机包括具有近端部分、中间部分和远端部分的吊杆。提供延伸机构,其配置成允许远端部分相对于中间部分从收缩配置滑动到延伸配置,其中在收缩配置中,中间部分基本上布置在远端部分内。
Lift crane for use on offshore vessel and method of operation
在海上船上使用的升降起重机和操作的方法
2022-03-18
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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