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检测仪采用接触式位移传感器,用比较法来检测磨耗钢轨和标准钢轨表面之间的位移差,以此来判定钢轨头部的磨耗程度。阐述了系统的检测原理、硬件结构、基准定位方法和系统误差分析。
The detector uses a contact displacement sensor to detect the difference in wear between the worn rail and the standard rail surface using a comparative method to determine the degree of rail head wear. The principle of the system detection, hardware structure, reference positioning method and system error analysis are expounded.