Energy-saving and environmental protection is an important issue for the sustainable development of the countries all over the world. The crane's energy-saving design and study plays a significant role in facilitating the development of the green low-carbon economy. The crane's lightweight is not only the current development trend in crane industry, but also the specific measure of energy-saving and environmental protection strategy. This paper mainly introduces some key technologies such as the crane's lightweight technology, energy-saving and environmental protection, and total life cycle a-nalysis, and discusses the development trend of the crane's lightweight technology and energy-saving and environmental protection, providing the reference to the design and use of energy-saving and environmental protection.%节能环保是世界各国可持续发展的一个重要议题,开展起重机的节能设计和研究对促进绿色低碳经济的发展具有重要意义.起重装备轻量化是当前起重行业的发展趋势,也是节能环保战略的具体实施.文中重点介绍起重机的轻量化设计技术、节能环保和全生命周期分析等关键技术,讨论了起重机轻量化技术与节能环保的发展趋势,为起重机的节能环保设计和使用提供了参考.
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