maintenance machinery

Comprehensive construction and illumination technology for major repair of busy trunk lines at night with heavy-duty maintenance machinery

繁忙干线大型养路机械夜间线路大修综合施工照明技术研究

The development of highway in our country is swift and violent, but, compare to the development in highway construction, the development in highway maintenance and maintenance machinery is seriously drop behind.

我国高速公路发展迅猛，但是，我国公路养护和养护机械发展严重滞后于公路建设的发展。

Ballast cleaning machine is an essential maintenance machinery of modern railway which performs track-laying, maintenance and the repair of the railway. Its working quality directly affects the quality of the railway and the safety of train travel.

道碴清筛机是现代铁路线路铺设、养护及检修必不可少的铁路养护机械，其工作质量的好坏直接对铁路线路的质量及车辆的运行安全产生影响。

As one of the large-scale maintenance machinery, the tamping machine is used to railway conservation. Automatic Guidance Computer system ( AGC) is the key technology on the tamping machine.

捣固车是主要大型养路机械之一，对其研制的关键技术是捣固车自动引导（AGC）系统。