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1.绪言近年来随着工厂建设工程的大型化,为了缩短工期,提高安全性,趋向采用大组合件施工法。为此迫切希望研制大起重量、大工作半径和高扬程的大型爬升起重机。针对这个要求,最初只考虑将使用于高层建筑等的爬升起重机予以放大,后来得知由于大载荷使起重臂顶端产生挠度,其操作性能等方面将产生问题。本爬升起重机是完全解决了这些问题的新机型,由日本石川岛播磨公司
1. Introduction In recent years, with the enlargement of the factory construction project, in order to shorten the construction period and improve the safety, tend to adopt a large assembly construction method. For this reason, we are eager to develop large climbing cranes with large lifting capacity, large working radius and high lift. In response to this request, only consideration was given to enlarging a climbing crane used for high-rise buildings and the like, and later it was learned that there was a problem in handling performance due to deflection of the boom top due to large load. The climbing crane is completely solve these problems of the new model by Japan Ishikawajima Broadcasting Company