利勃海尔LR 11350和LR 1750履带式起重机串联工作
利勃海尔LR 11350和LR 1750履带式起重机串联工作

预拼装桥拱

LR 1750在串联提升机前6个月开始在施工现场提供服务。这台750吨重的起重机直接在河上架设桥梁下部,并在岸边组装90米长的桥拱。为此,Weldex工人将大块的钢结构分段运输到市中心的施工现场。

苏格兰起重机公司Weldex派遣其最强大的履带式起重机到现场,使用串联式起重机安装桥拱。在短短的四天时间里,装配团队安装了利勃海尔LR 11350,主桅杆72米,吊杆42米。

由于所需半径为51米,该起重机涉及LR11350的大量负载应用。357吨的总负载是唯一可能的,这是由于延长导向架可选提供的起重机。这将井架压载托盘的半径从25米增加到30米。这种被称为SLDB2的配置使起重机能够处理半径约为50米的近50吨的额外负载情况。

为了把这座巨大的桥拱吊到河上,履带式起重机必须分阶段将其移到岸边30米左右。操纵是同步进行的,并在若干情况下中断,以便为起重机提供更多的压载。LTR 1100伸缩式履带起重机可堆放LR 11350的井架道碴,最多可堆放600吨。

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LR11350和LR1750帮助建造桥梁

为了连接曼彻斯特的“皮卡迪利”和“维多利亚”两个火车站,两台利勃海尔履带式起重机用串联起重机将一座重570吨的钢结构提升到位。

  • 串联提升机的附加履带式起重机
    他们出发了——在捡起货物后,两台起重机开始向伊尔韦尔河岸靠近一步。

    串联提升机的附加履带式起重机

    他们出发了——在捡起货物后,两台起重机开始向伊尔韦尔河岸靠近一步。

  • LR 11350更大的道碴半径使其能够提升桥梁
    Bird's eye view – the derrick ballast on the LR 11350 is 30 metres from the turntable in this configuration.

    LR 11350更大的道碴半径使其能够提升桥梁

    Bird's eye view – the derrick ballast on the LR 11350 is 30 metres from the turntable in this configuration.