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依据《起重机械制造监督检验规则》(以下简称《规则》),笔者单位组织并实施了世界最大的2万t多吊点固定桥式起重机的监检工作。该起重机是由大连重工起重有限公司,为山东省烟台市来福士海洋工程有限公司设计、制造。起重机最大起升重量为20000t,跨度120m,主梁为双箱型钢结构,1#主梁起升高度为83m,2#主梁起升高度为113m,起重机的工作级别为A3。为了满足不同设备的吊点位置的不同,起重机1#主梁设置有横移机构,横移距离为7m。起重机可实现单动、联动、横移等多种功能,在操作技术上采用了先进的电脑控制系统。
According to “Rules for Supervision and Inspection of Lifting Machinery Manufacturing” (hereinafter referred to as the “Rules”), the author organizes and implements the inspection of the world’s largest 20,000t multi-lift fixed-bridge crane. The crane is a heavy lifting Co., Ltd. Dalian, Shandong Yantai Raffles Ocean Engineering Co., Ltd. design, manufacture. Crane maximum lifting weight of 20000t, span of 120m, the main girder is a double box steel structure, 1 # main girder lifting height of 83m, 2 # girder lifting height of 113m, the working level of the crane A3. In order to meet the different lifting point position of different equipment, cranes 1 # girder set with a translating mechanism, the traverse distance of 7m. Crane can achieve a single action, linkage, horizontal movement and other functions, the use of advanced technology in the computer control system.