| 转子临界转速无极调节支承的设计与分析 |
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| 引用本文： | 张立华,张雷,陈巍巍,刘秋皊. 转子临界转速无极调节支承的设计与分析[J]. 上海理工大学学报, 2015, 37(1): 67-71,83 |
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| 作者姓名： | 张立华 张雷 陈巍巍 刘秋皊 |
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| 作者单位： | 上海理工大学 机械工程学院, 上海 200093;上海理工大学 机械工程学院, 上海 200093;上海理工大学 机械工程学院, 上海 200093;上海理工大学 管理学院, 上海 200093 |
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| 基金项目： | 上海市科学技术发展基金资助项目(1612128) |
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| 摘 要： | 转子系统支承刚度对转子系统的临界转速有很大影响,由此推出一种转子整体刚度可调节的新型转子支承系统.本系统设计了四轴联动机构、对称式弹性机构以及变刚度机构,可以对转子系统进行精确定位,增加转子系统的稳定性,延长转子系统的寿命,并且该支承可对转子支承的整体刚度进行调节,从而对转子系统的临界转速进行控制.在这种新型的支承方式下,运用传递矩阵法对支承机构转子系统的临界转速可调节性作了理论分析,并运用有限元法以及试验方法对其分析结果作了相应验证.结果证明该新型转子支承系统可有效地调节转子系统的临界转速.
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| 关 键 词： | 转子 支承刚度 临界转速 广义影响系数法 有限元法 |
| 收稿时间： | 2013-11-18 |
Design and Analysis of Rotor Supporting System for Critical Speeds Adjustment |
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| ZHANG Lihu,ZHANG Lei,CHEN Weiwei and LIU Qiuling. Design and Analysis of Rotor Supporting System for Critical Speeds Adjustment[J]. Journal of University of Shanghai For Science and Technology, 2015, 37(1): 67-71,83 |
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| Authors: | ZHANG Lihu ZHANG Lei CHEN Weiwei LIU Qiuling |
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| Affiliation: | School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;Business School, University of Shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | A new type of supporting structure in a rotor system was presented, where four-axis linkage mechanism, symmetry elastic mechanism and rigidity adjustment mechanism were applied in order to make the precise match, to increase the stability, to prolong the lifetime and to adjust the supporting rigidity of the rotor system.A theoretical analysis was carried out by using the transfer matrix method.The results of the analysis were verified with the help of finite element method and experimental method. The results show that the new type of rotor supporting mechanism can effectively adjust the critical speed of rotor system. |
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| Keywords: | rotor supporting rigidity critical speed generalized influence coefficient method finite element method |
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