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QTZ40型自升塔式起重机是重庆建筑工程学院建筑机械研究室设计的一种新型自升塔式起重机。该机适合多层和高层建筑施工,见图1。样机经工业性考核,附着高度达100m,深受用户好评,于1988年4月在重庆通过市级鉴定。该机设计合理,与国内同机型相比,具有吊臂长、附着高度高、能耗低、调速性能好、工作安全可靠、装拆方便等优点。
The QTZ40 self-elevating tower crane is a new self-elevating tower crane designed by the Construction Machinery Research Institute of Chongqing University of Civil Engineering and Architecture. This machine is suitable for multi-storey and high-rise construction, see Figure 1. The prototype was evaluated by industry and its height of attachment was 100m. It was well received by users and passed the municipal appraisal in Chongqing in April 1988. The design of this machine is reasonable. Compared with the same model in China, it has the advantages of long arm length, high attachment height, low energy consumption, good speed control performance, safe and reliable work, and easy assembly and disassembly.