不同载荷工况下缩比高温超导悬浮架的振动实验研究  

Study on Vibration Experiment of the HTS Scale Levitation Frame under Different Load Conditions

作　　者：张可馨 蒋希赟 朱金波[1] 王秋林[1] 郭倩 ZHANG Kexin;JIANG Xiyun;ZHU Jinbo;WANG Qiulin;GUO Qian(Chengdu Aeronautic Polytechnic,Chengdu 610100,China)

机构地区：[1]成都航空职业技术学院,成都610100

出　　处：《成都航空职业技术学院学报》2024年第1期60-62,66,共4页Journal of Chengdu Aeronautic Polytechnic

摘　　要：通过建立缩比高温超导悬浮架实物模型,针对乘客频繁上下车导致载重变化实际现象,模拟车辆空载、满载和超载的三种工况,实验研究不同工况下悬浮架固有频率的变化规律和振动响应特性。实验结果表明,高温超导悬浮架的横垂向固有频率均随载重增加而减小,但数值变化较小,可有效避免了因载重变化导致横垂向固有频率改变引发共振;相比空载,高温超导悬浮架满载时的动态性能更优,因此具有良好的空重载荷性能。Based on the condition of load variation due to frequent passengers boarding and alighting,a high-temperature superconducting(HTS)scale levitation frame is used for experiments.By simulating three conditions of no-load,full-load,and overload,the variation of natural frequency and vibration characteristics of the levitation frame under different load conditions were studied experimentally.The results show that the transverse and vertical natural frequencies of the HTS levitation frame decrease with the increase of load,but the value variation is small,which effectively avoids the resonance caused by the change of the natural frequencies because of the load variation.Compared with no-load,the HTS levitation frame has better dynamic performance at full-load,so it has good performance under empty-weight load.

关 键 词：高温超导 缩比悬浮架 不同载荷工况 振动特性 

分 类 号：U237[交通运输工程—道路与铁道工程]