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EXTENDABLE LATTICE TYPE CRANE BOOM, AND METHOD FOR OPERATING A CRANE INCLUDING AN EXTENDABLE BOOM.
EXTENDABLE LATTICE TYPE CRANE BOOM, AND METHOD FOR OPERATING A CRANE INCLUDING AN EXTENDABLE BOOM.
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机译:可扩展的晶格式起重机臂,以及用于操作包括可伸展臂的起重机的方法。
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摘要
Extendable lattice type crane boom (2) for a crane (1), the boom comprising a lattice type base boom section (2a) and at least one lattice type telescopic boom section (2b), wherein the at least one telescopic boom section is adjustable with respect to the base boom section between a retracted position, in which the telescopic boom section is substantially inside of the base boom section, and an extended position, in which the telescopic boom section is at least partly outside of the base boom section, wherein a distal end of the base boom section to which a first guiding system (21) is mounted, the guiding system being configured to guide a movement of the telescopic boom section along the base boom section; wherein a proximal end of the telescopic boom section comprises a second guiding system (30) configured to guide a movement of the telescopic boom section along the base boom section.
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