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    • 4. 发明申请
    • 多吊点起重机起升钢丝绳空间防干涉布置
    • WO2009003332A1
    • 2009-01-08
    • PCT/CN2007/003426
    • 2007-12-03
    • 大连华锐股份有限公司李维越顾民银长海
    • 李维越顾民银长海
    • B66C13/00
    • B66C13/00
    • A wire rope space anti-interference arrangement for a crane with multiple hoisting points is disclosed. The hoister comprises a main girder (10), a movable pulley block (3), a fixed pulley block (5) and a hoister (1). Leading pulleys (2) are provided in the upper space of the upper cover board of the main girder (10). Hoister steadiers (7) with different height are provided at two ends of the cover board. Corresponding to the height of the hoister steadiers (7), the leading pulleys (2) are mounted at different height. Connecting lines are located between the vertical center lines of the hoister winding drums provided at two ends of the main girder (10) and the center lines of the respectively corresponding leading pulleys (2) of the hoister winding drums. A same small fleet anger (a) is formed between the connecting lines and the center line of the main girder (10), corresponding to the fleet anger between the hoister (1) at the same end and the main girder (10). The two fleet angers between the hoisters (1) at two ends and the main girder (10) are opposite. The anti-interference arrangement is simple, its manufacture, installation and maintain is handy, its operation is of highperformance, safe and reliable. The arrangement is applied to the crane for hoisting the superheavy article such as drilling platform and so on.