起重安装机械是实现建筑施工机械化的一种主要机械。本文拟通过回顾三十年来建筑起重机械的发展经历,试作出一些分析,并就如何加快建筑起重机行业发展步伐,以期提高施工速度,提出一些浮浅看法。一、五个发展阶段三十年来,我国建筑起重视行业经历了一个从无到有,从小到大,从低级到高级的发展过程,取得了可喜成就。纵观其成长历 Lifting installation machinery is one of the main machinery for mechanization of building construction. This article intends to review some of the development experience of construction cranes in the past 30 years, try to make some analysis, and put forward some superficial views on how to speed up the development of the construction crane industry in order to increase the construction speed. In the first and fifth development stages of the past 30 years, China’s construction industry has experienced a development process from scratch, from small to large, from low to high, and has made gratifying achievements. Looking at its growth calendar