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根据上海市科委、市建工局下达的任务,由建设部北京建筑机械综合研究所设计,上海建工机械厂试制的QT100塔式起重机于1989年11月在上海由市科委主持市级鉴定。该机主要参数符合国家标准及部标准;产品设计先进、结构合理、操作灵活、装拆方便、起升速度范围大(从3.5～120m/min共12档),各档速度具有超载自动保护功能。该机研制成功,填补了国内塔式起重机
According to the tasks assigned by the Shanghai Science and Technology Commission and the Municipal Construction Industry Bureau, the QT100 tower crane designed by the Beijing Construction Machinery Research Institute of the Ministry of Construction and the Shanghai Jiangong Machinery Plant was presided over by the Shanghai Municipal Science and Technology Commission in November 1989. Identification. The main parameters of the aircraft are in line with national standards and departmental standards; advanced product design, reasonable structure, flexible operation, easy assembly and disassembly, large lifting speed range (12 files from 3.5 to 120m/min), and automatic overload protection for each speed. . The successful development of the aircraft, to fill the domestic tower crane