轮胎式液压挖掘机因其具有机动灵活,施工效率高,可自行快速转场,配置多种作业机具,适应性强等优势,非常适合在城市和空间狭小的施工场地作业。在欧美等发达国家一直备受青睐,近年来随着我国城市化建设进程的不断加快,旧城改造和新城开发的不断增多,轮胎式液 Tire hydraulic excavator is very suitable for operation in the city and small space construction site due to its advantages of maneuverability, high construction efficiency, rapid transition by itself, configuration of various work tools and strong adaptability. In Europe and the United States and other developed countries have been highly favored in recent years with the continuous acceleration of the process of urbanization in our country, the transformation of the old city and the development of the Metro continues to increase, tire-type liquid