高精度标准轮对内距尺

Design of high precision standard wheelset inner distance ruler

根据轨道交通检测需求设计研发了高准确度标准轮对内距尺用于标准轮对的内侧距检测,该尺具有测量准确度高、操作方便、易携带、数据可存储、测量范围宽等优点。介绍了高准确度标准轮对内距尺的结构和测量原理,并进行了不确定度评定,结果显示该高准确度测量装置对标准轮对内侧距的测量准确可行,适用性十分广泛。

According to the requirement of rail transit detection, a high accuracy standard wheelset inner distance ruler is designed and applied to detect the medial distance of the standard wheelset. The ruler has the advantages of high precision, convenient operation, portability, data storage and wide measuring range. This paper introduces the structure and measuring principle of the high precision standard wheelset inner distance ruler, and has carried on the uncertainty evaluation. The result shows that the high precision measuring device is accurate and feasible for measuring the medial distance of the standard wheelset, and has wide applicability.