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    • 4. 发明申请
    • HEAVY LIFTING APPARATUS AND METHOD
    • 重型提升装置和方法
    • WO2013113377A1
    • 2013-08-08
    • PCT/EP2012/051635
    • 2012-02-01
    • VSL INTERNATIONAL AGLAURENS, Jean MarieRUSSELL, GuyALTHAUS, WalterMEYER, Max Ernst
    • LAURENS, Jean MarieRUSSELL, GuyALTHAUS, WalterMEYER, Max Ernst
    • B66C23/20
    • B66C23/207F03D13/10F05B2230/61Y02E10/72Y02P70/523
    • A crane apparatus and method are described for lifting a heavy load such as a wind-turbine generator unit 46 on to a wind-turbine tower 1. The crane is designed to climb up cables 3 attached to the top of the tower, carrying with it the cables 45 and lifting gear 31 which will be required for the main lifting operation. The crane comprises a pair of jib-frames 20 with boom arms 26, 27 which can be retracted during lifting and then deployed to a pivotable, loadbearing position once the crane is mounted at the top of the tower 1. Hydraulic strand jacks 31 and heavy-duty strands 45 are preferably used for the heavy lifting. In a preparation step, a load-bearing bracket assembly 13, 14, to which the jib-frames 20 will be secured, is hoisted up and fitted to the top of the tower 1. Once the lifting operations are complete, the crane assembly and the bracket assembly 13, 14 are lowered from the tower 1 and removed from site.
    • 描述了用于将诸如风力涡轮发电机单元46的重负载提升到风力涡轮机塔架1上的起重机设备和方法。起重机被设计成爬上附接到塔顶部的电缆3,承载着它 主升降操作所需的电缆45和起重装置31。 起重机包括一对起重臂架20,其具有悬臂臂26,27,其在升降过程中可以缩回,然后一旦起重机安装在塔架1的顶部,就将其展开到可枢转的承载位置。液压线缆插座31和重的 绞线45优选用于重型起重。 在准备步骤中,吊架20将被固定到其上的承重支架组件13,14被提升并装配到塔架1的顶部。一旦提升操作完成,起重机组件和 支架组件13,14从塔架1下降并从现场移除。