含典型轴承故障的双盘转子——滚动轴承系统非线性动力学响应

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• 英文论文题名：Nonlinear dynamic response of double disk rotor-bearing system with typical bearing fault
• 论文作者：黄亚明 ; 曹树谦
• 英文论文作者：Huang Yaming ; Cao Shuqian ; Department of Mechanics ; Tianjin University ; Tianjin Key Laboratory of Nonlinear Dynamics and Control ; State Key Laboratory of Engines ; Tianjin University
• 年：2016
• 作者机构：天津大学力学系;天津市非线性动力学与控制重点实验室;天津大学内燃机燃烧学国家重点实验室;
• 论文关键词：双盘转子-轴承系统 ; 滚动轴承故障 ; 动力学特性 ; 数值积分
• 英文论文关键词：double disc rotor-bearing system ; rolling bearing fault ; dynamic characteristic ; numerical integration
• 会议召开时间：2016-08-12
• 会议录名称：第十六届全国模态分析与试验学术会议论文集
• 语种：中文
• 分类号：V231.96;V263.6
• 学会代码：ZGZH
• 会议名称：第十六届全国模态分析与试验学术会议
• 会议地点：中国天津
• 主办单位：中国振动工程学会模态分析与试验专业委员会
• 学会名称：中国振动工程学会
• 页数：17
• 文件大小：4489k
• 原文格式：D
• 会议级别：全国

摘要

针对滚动轴承支承下的双盘转子系统,考虑由于滚动轴承支承刚度变化而产生的VC(Varying compliance)振动,建立了双盘转子—轴承系统动力学模型。在此基础上,考虑滚动轴承外圈、内圈局域损伤的典型故障。运用数值积分方法,分别研究了系统右端轴承外圈、内圈局域损伤对系统动力学特性的影响。结果表明:轴承故障会对双盘转子系统的动力学特性产生较大的影响,转速越低的时候故障激发的频率成分越丰富;内外圈损伤的程度不同对转子系统振动响应的影响也有所变化。利用多体动力学仿真软件ADAMS对故障轴承开展仿真实验,结果对数值模拟的结果有较好的验证。
For a double disc rotor system supported by rolling bearings,a dynamic model fully considered the VC(Varying compliance) vibration result of the periodic change of rolling bearings' stiffness was established. And on this basis,set up the force models of the bearing with local damage on the outer ring and inner ring,respectively. Use the way of numerical integration to obtain the system responses,dynamic characteristics of the system with bearing fault on the outer ring and inner ring were analyzed. Studies show that bearing faults would have a great impact on dynamic characteristics of the double disc rotor-bearing system,the lower the rotor speed,the more frequency components caused by the fault of bearing. The effect of different damage degree on the rotor system vibration is also different. By using the multi-body dynamics simulation software ADAMS to carry out simulation experiments,the experimental results and numerical simulation results are basically identical.

引文

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