Research on Vibration Damage of Urban Rail Vehicles

Yang YU; Binglin LIU; Guicai MA; Lei CHEN; Yunbin XIAO; Kaikai GUAN

doi:10.13890/j.issn.1000-128x.2019.04.026

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Research on Vibration Damage of Urban Rail Vehicles

更新时间：2021-12-13

- Research on Vibration Damage of Urban Rail Vehicles
- Electric Drive for Locomotives Issue 4, Pages: 120-125(2019)
- 作者机构：
  
  1.青岛地铁集团有限公司　运营分公司，山东　青岛　266000
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.04.026
  CLC：
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Yang YU, Binglin LIU, Guicai MA, et al. Research on Vibration Damage of Urban Rail Vehicles. [J]. Electric Drive for Locomotives (4):120-125(2019)
DOI：

Yang YU, Binglin LIU, Guicai MA, et al. Research on Vibration Damage of Urban Rail Vehicles. [J]. Electric Drive for Locomotives (4):120-125(2019) DOI： 10.13890/j.issn.1000-128x.2019.04.026.

摘要

针对地铁车辆部件损伤事故多发现状，尤其是停放制动管路断裂问题，进行了振动损伤的分析。结合其高周疲劳工作特性，采用轮对通过焊接接头时的轮轨振动试验研究的方法，分析停放制动管路断裂原因；通过模态分析、轮轨力测试、轮轨振动测试及停放制动管动应力测试等方法，分析线路钢轨焊接接头的数量及不平顺度产生的轮轨力，推导出钢轨焊接接头与轮轨振动间的关系，进而得出焊接接头不平顺导致车辆部件振动损伤。同时，研究分析轨道维保策略对车辆振动损伤的影响，提出合理化建议和应对策略。

Abstract

In view of the current situation of multiple damage accidents of metro vehicle parts, especially the fault of parking braking pipe line, the vibration damage analysis was carried out. Based on the characteristics of high cycle fatigue, the causes of fault of parking brake pipe line were analyzed by the vibration test method of the rail and wheelset when the wheel pair passed through the rail welded joint. By means of modal analysis, wheel-rail force test, wheel-rail vibration test, and parking brake tube dynamic stress test, the number of welded joints and the wheel-rail force generated by uneven smoothness of rails were analyzed, and the relationship between welded joints and wheel-rail vibration was deduced. Then the vibration damage of the vehicle parts caused by the unsmooth welding joint was obtained. At the same time, the influence of orbital maintenance strategy on vehicle vibration damage was studied and some reasonable suggestions and countermeasures were put forward.

关键词

城市轨道车辆停放制动管路失效振动损伤轨道不平顺

Keywords

urban rail vehicleparking brake pipe linefailurevibration damagetrack irregularity

references

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