钢轨断面轮廓测量仪量值溯源技术研究  

Research on Technology of Traceability of the Value of Quantity of Measuring Instrument for Rail Profile Contour

作　　者：郭一诗 路计哲 GUO Yishi;LU Jizhe

机构地区：[1]中国铁道科学研究院集团有限公司标准计量研究所,北京100081

出　　处：《铁道技术监督》2023年第5期27-32,共6页Railway Quality Control

摘　　要：介绍钢轨轮廓测量技术现状。根据铁路线路维修中对钢轨断面轮廓的测量需求,分析钢轨断面轮廓测量仪的主要功能和计量性能需求。针对轮廓测量技术原理,提出满足现场测量结果准确度的量值溯源方案和测量注意事项,为相关人员深入了解钢轨断面轮廓测量仪原理,掌握校准方法,保障测量结果的准确可靠提供帮助。The paper introduces the current status of rail profile measurement technology,analyzes the main functions and metrological performance requirements of the rail profile measuring instrument according to the measurement needs for rail profile in railway line maintenance.Based on the principle of profile measurement technology,a measurement traceability scheme and measurement precautions that meet the accuracy of on-site measurement results are proposed,providing assistance for relevant personnel to deeply understand the principle of rail profile measurement instruments,master calibration methods,and ensure the accuracy and reliability of measurement results.

关 键 词：钢轨断面轮廓测量仪 量值溯源 定位基准 坐标系 测量位置 校准 测量不确定度 

分 类 号：U213.4[交通运输工程—道路与铁道工程] TB921[一般工业技术—计量学]