基于激光扫描的接触网几何参数检测方法研究

Catenary Geometry Parameter Detection Method Based on Laser Scanning

针对当前电气化铁路接触网几何参数日常检测的需求,提出了一种基于激光扫描的接触网几何参数检测方法,即结合激光扫描仪、光电编码器和工控机等硬件设备进行编程处理以实现相关几何参数的非接触式采集、采样点定位和数据处理以获得接触网的各个几何参数,经试验该方法能有效的提高接触网几何参数检测精度,测量精度达到±3mm,具有实际意义。

In view of the current electrified railway catenary geometry parameters daily testing requirements, this paper proposes a catenary geometry parameter detection method based on laser scanning, the combination of hardware, such as laser scanner and industrial con trol, photoelectric encoder, programming processing to achieve the relevant geometric parameters of the non--contact sampling, sampling point positioning and data processing for catenary of various geometric parameters, through the experiment the method can effectively im prove the catenary geometry parameters detection precision, measurement accuracy is ±3 mm, has practical significance.