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直升飞机不仅在军事和交通运输事业中有着众所周知的用途,而且在建筑安装工程中的应用也日渐增多。尤其在环境特殊、条件复杂的情况下,用直升飞机进行建筑安装作业,可以取得显著的效果。现就苏联和欧美一些国家在这方面的应用情况简介如下。一、初次尝试 1959年苏联修筑西姆弗洛拉依至阿鲁什达无轨电车线时,需要安设122个金属塔架。塔架高14~15米、总重1.2~1.3吨。但这项工程要经过满布密林的陡峭山坡。当时曾提出两种塔架运输安装方案:用雪橇式拖拉机或缆索和采用绞车及滑轮组。但这两种方案都要花费很多的时间和劳动。
Helicopters not only have well-known uses in military and transportation undertakings, but also are increasingly used in construction and installation projects. Especially in the case of a special environment and complex conditions, helicopters are used for construction and installation work, and remarkable results can be achieved. The brief introduction of the Soviet Union and some European and American countries in this regard is as follows. First, the initial attempt In 1959 when the Soviet Union built Ximu Flora to Arusha trolleybus line, it needed to install 122 metal towers. The tower is 14 to 15 meters high with a total weight of 1.2 to 1.3 tons. However, this project will go through a steep hillside full of jungle. At that time, two types of tower transportation and installation schemes were proposed: using sled-type tractors or cables and using winches and pulley blocks. But these two kinds of programs must spend a lot of time and labor.