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由广西建筑机械厂和重庆建筑工程学院共同研制成功的QT80A塔式起重机于1992年12月22日通过了建设部组织的技术鉴定。该塔机为上回转、水平臂、小车变幅、液压自升式,最大起重量6t,最大工作幅度50m处相应起重量1.4t,吊钩有效高度行走式和固定式时为48.5m,附着式和内爬式为105m,起升速度25、50、100m/min,回
The QT80A tower crane jointly developed by the Guangxi Construction Machinery Plant and the Chongqing Construction Engineering College passed the technical appraisal organized by the Ministry of Construction on December 22, 1992. The tower crane is for upper swing, horizontal arm, trolley luffing, hydraulic jacking, and the maximum lifting capacity is 6t. The maximum working range is 50m and the corresponding lifting capacity is 1.4t. The effective height of the hanger is 48.5m for walking type and fixed type. Type and inner climbing type 105m, lifting speed 25, 50, 100m/min, back