动车组制动夹钳悬吊刚度对频率响应特性的影响
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摘要
基于模态分析与振型叠加,建立某型动车组制动夹钳单元频率响应分析模型,并通过正弦扫频试验验证该模型的合理性。该模型有效反映出悬吊刚度对制动夹钳低频振动特性存在的重要影响,并通过一系列算例分析,分别研究各向悬吊刚度对制动夹钳频率响应特性的影响规律。研究成果可为车体和车下设备耦合振动研究提供进一步的理论依据。
Built on modal analysis and the superposition of vibration modes, the paper sets up the unit frequency respond model for the analysis of the braking clamps applied on a particular EMU type, the validity of which is verified in the sine sweeping test. The results show that the model built reflects the significance of the suspension stiffness of the braking clamps to the characteristics of its frequency response. Afterwards, the paper strives to identify the influential pattern that suspension stiffness at different directions may generate to frequency response via a series of example calculation. The study provides theoretical references to the research on the coupled vibrations of carbody and of devices installed below the vehicle.
Built on modal analysis and the superposition of vibration modes, the paper sets up the unit frequency respond model for the analysis of the braking clamps applied on a particular EMU type, the validity of which is verified in the sine sweeping test. The results show that the model built reflects the significance of the suspension stiffness of the braking clamps to the characteristics of its frequency response. Afterwards, the paper strives to identify the influential pattern that suspension stiffness at different directions may generate to frequency response via a series of example calculation. The study provides theoretical references to the research on the coupled vibrations of carbody and of devices installed below the vehicle.
引文
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[2]郭涛,高峰,张晓军,等.我国高速铁路轮轨关系相关技术探讨[J].中国铁路,2018(1):20-29.
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[4]贺小龙,张立民,鲁连涛,等.多级多悬挂设备对高速列车垂向振动的影响研究[J].振动与冲击,2017,36(22):245-251.
[5]罗光兵.高速列车车体及车下设备耦合振动研究[D].成都:西南交通大学,2014.
[6]徐凯,李芾,李东宇,等.动车组车轮踏面磨耗对动力学性能的影响[J].中国铁路,2016(9):40-44,48.
[7]于金朋,张卫华,张立民,等.高速动车组车下悬挂设备隔振设计研究[J].铁道学报,2017,39(1):33-40.
[8]SUN W,GONG D,ZHOU J,et al.Influences of suspended equipment under car body on high-speed train ride quality[J].Procedia Engineering,2011,16(1):812-817.
[9]石怀龙,罗仁,邬平波,等.基于动力吸振原理的动车组车下设备悬挂参数设计[J].机械工程学报,2014,50(14):155-161.
[10]吴会超,邬平波,吴娜,等.车下设备悬挂参数与车体结构之间匹配关系研究[J].振动与冲击,2013,32(3):124-128.
[11]夏张辉,宫岛,周劲松,等.车下设备偏心对高速动车组运行平稳性的影响机理研究[J].机械工程学报,2017,53(6):131-137.
[12]罗光兵,曾京,吴会超.车下设备悬吊刚度对车体弹性振动的影响[J].机械设计,2015,32(4):30-34.
[13]罗光兵,曾京,王海军.高速客车车下设备最优悬吊刚度研究[J].机械科学与技术,2015,34(7):1 089-1 093.
[2]郭涛,高峰,张晓军,等.我国高速铁路轮轨关系相关技术探讨[J].中国铁路,2018(1):20-29.
[3]韩晓辉,李业明,赵春光,等.高速动车组制动夹钳单元运行振动分析[J].铁道机车车辆,2011,31(5):117-120.
[4]贺小龙,张立民,鲁连涛,等.多级多悬挂设备对高速列车垂向振动的影响研究[J].振动与冲击,2017,36(22):245-251.
[5]罗光兵.高速列车车体及车下设备耦合振动研究[D].成都:西南交通大学,2014.
[6]徐凯,李芾,李东宇,等.动车组车轮踏面磨耗对动力学性能的影响[J].中国铁路,2016(9):40-44,48.
[7]于金朋,张卫华,张立民,等.高速动车组车下悬挂设备隔振设计研究[J].铁道学报,2017,39(1):33-40.
[8]SUN W,GONG D,ZHOU J,et al.Influences of suspended equipment under car body on high-speed train ride quality[J].Procedia Engineering,2011,16(1):812-817.
[9]石怀龙,罗仁,邬平波,等.基于动力吸振原理的动车组车下设备悬挂参数设计[J].机械工程学报,2014,50(14):155-161.
[10]吴会超,邬平波,吴娜,等.车下设备悬挂参数与车体结构之间匹配关系研究[J].振动与冲击,2013,32(3):124-128.
[11]夏张辉,宫岛,周劲松,等.车下设备偏心对高速动车组运行平稳性的影响机理研究[J].机械工程学报,2017,53(6):131-137.
[12]罗光兵,曾京,吴会超.车下设备悬吊刚度对车体弹性振动的影响[J].机械设计,2015,32(4):30-34.
[13]罗光兵,曾京,王海军.高速客车车下设备最优悬吊刚度研究[J].机械科学与技术,2015,34(7):1 089-1 093.