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QTZ120塔机是一种新型水平臂小车变幅自升式塔机。该机是城乡建设环境保护部下达的重大新产品研制项目,由长沙建筑机械研究所设计,哈尔滨工程机械厂和江麓机械厂试制。首批两台样机在江麓机械厂完成试制,经性能试验、结构应力试验、工业考核和解体检查,证明样机性能及质量达到设计要求,符合国家现行标准。
The QTZ120 tower crane is a new type of horizontal-arm trolley luffing jack-up tower crane. The aircraft is a major new product development project issued by the Ministry of Urban and Rural Construction and Environmental Protection. It was designed by the Changsha Construction Machinery Research Institute, Harbin Engineering Machinery Factory and Jiangyan Machinery Factory. The first batch of two prototypes completed trial production at Jiangyan Machinery Factory. Through performance tests, structural stress tests, industrial assessments and dismantling inspections, it was demonstrated that the performance and quality of the prototypes met the design requirements and met the current national standards.