DAS7型接触网检修作业车（多功能）是接触网检修、维护、抢修专业设备，具有160km/h的最高运行速度，可以快速到达作业现场。主要用于电气化铁路接触网进行维修和保养、故障处理，枢纽及较大站场接触网上部设备的维修作业，邻线的接触网抢修作业及电气化铁路接触网综合检测作业。
Model DAS7 OCS working car (multi-function) is a professional OCS maintenance and repair equipment. It has a maximum traveling speed of 160km/h and can quickly reach the operation site. It is mainly used for maintenance, repair and fault treatment of OCS of the electrified railway, maintenance operation of OCS upper equipment in the junction and large stations/yards, maintenance operation of OCS of the adjacent railway lines, and integrated OCS detection of the electrified railway.
该车设置接触网检测装置可将数据按线路、站区和杆号的顺序存储在计算机硬盘中，并能利用配套软件进行数据分析。车顶安装有摄像机，将检测受电弓与接触导线接触的工况视频画面传入检测系统显示器，以便于实时监视弓网工况。该车顶部安装有全液压双臂拨线装置，可将接触网线索支撑到各自所需的高度。升降旋转作业平台和高空作业斗能解决高空作业的难度，节约天窗时间。
The vehicle is provided with OCS detection unit which can store the data in the computer hard drive according to THE number of the lines, stations and posts and use the supporting software for data analysis. The vehicle top is equipped with cameras to send video contact conditions between pantograph and catenary to the detection system display, thus to facilitate real-time monitoring of the pantograph catenary conditions. The vehicle top is equipped with a full-hydraulic two-arm wire positioner that supports the overhead catenary to the desired height. Lifting and slewing operation platform and high-altitude operation bucket can solve the difficulty of high-altitude operation and thus save roof opening time.
