Provided is a crane with a main boom and a back mast, of which at least one comprises an first mast upper part comprising at least one mast section and a first mast lower part comprising at least onemast section, and a first mast tilting. The first mast tilting member is arranged between the first mast upper part and the first mast lower part, and has a straight hoisting state wherein the first mast upper part and the first mast lower part are essentially in line with each other, and a tilted hoisting state wherein the first mast upper part is tilted with respect to the first mast lower part.
提供了一种起重机,具有主起重臂和后桅杆,它们中至少一个包括:包括至少一个桅杆区段的第一桅杆上部和包括至少一个桅杆区段的第一桅杆下部;以及第一桅杆倾斜构件。第一桅杆倾斜构件布置在第一桅杆上部与第一桅杆下部之间,并且具有其中第一桅杆上部和第一桅杆下部基本彼此成一直线的笔直提升状态以及其中第一桅杆上部相对于第一桅杆下部倾斜的倾斜提升状态。
CRANE COMPRISING FIRST MAST WITH TILTABLE FIRST MAST UPPER PART
包括具有可倾斜的第一桅杆上部的第一桅杆的起重机
2020-05-01
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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