解析铁道行业标准《机车车辆强度设计及试验鉴定规范转向架第1部分:转向架构架》

Interpretation of Railway Industry Standard Strength Design and Test Accreditation Specification for Rolling Stock—Bogie—Part 1:Bogie Frame

介绍TB/T 3549.1—2019《机车车辆强度设计及试验鉴定规范转向架第1部分:转向架构架》的修订背景、修订原则及主要内容,重点阐述应变花测点疲劳强度评估方法、三轴转向架横向载荷的定义等关键内容的修订情况,并提出实施建议。

This article introduces revising background and principle and main contents of TB/T 3549.1—2019 Strength design and test accreditation specification for rolling stock—Bogie—Part 1:Bogie frame.It explains the revi⁃sion status and implementation suggestions of key content such as the fatigue strength evaluation method of the strain rosette measuring point and the definition of the lateral load of 3-axle bogies.