利用激光位移传感器在线测量列车车轮几何参数的方法

An Online Measurement Method of Train Wheel Geometric Parameters by Laser Displacement Sensor

提出一种利用激光位移传感器和电涡流位移传感器测量车轮主要几何参数的方法。分析了激光位移传感器测量轮缘直径的原理,计算得到踏面直径、轮缘高、轮缘厚度、轮辋宽等几何参数。根据提出的测量方法,设计了一套车轮几何参数在线动态测量系统。该测量系统整体结构简单,成本较低,易于实现。试验结果验证了测量系统的可行性,实现了列车车轮的在线动态测量。

A method of measuring the main geometric parameters of wheel by laser displacement sensor and eddy current displacement sensor was proposed.The principle of measuring flange diameter by laser displacement sensor is analyzed,and the geometric parameters such as tread diameter,flange height,flange thickness and rim width are calculated.According to the proposed measurement method,an online dynamic measurement system for wheel geometric parameters is designed.The measurement system has simple overall structure,low cost and easy realization.The test results verify the feasibility of the measurement system and realize the on-line dynamic measurement of train wheels.