[1]邱 明,廖振强,李佳圣,等.悬挂式惯性振动设备多场耦合瞬态过程分析[J].南京理工大学学报(自然科学版),2014,38(06):802.
 Qiu Ming,Liao Zhenqiang,Li Jiasheng,et al.Transient analysis of multi-field coupling on suspension inertial vibration machine[J].Journal of Nanjing University of Science and Technology,2014,38(06):802.
点击复制

悬挂式惯性振动设备多场耦合瞬态过程分析
分享到:

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
38卷
期数:
2014年06期
页码:
802
栏目:
出版日期:
2014-12-31

文章信息/Info

Title:
Transient analysis of multi-field coupling on suspension inertial vibration machine
作者:
邱 明廖振强李佳圣宋 杰
南京理工大学 机械工程学院,江苏 南京 210094
Author(s):
Qiu MingLiao ZhenqiangLi JiashengSong Jie
School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
悬挂 振动设备 多场耦合 瞬态 几何非线性 柔性吊杆 异步电机 非线性弹性理论
Keywords:
suspension vibration machines multi-field coupling transience geometric nonlinearity flexible suspenders asynchronous motors nonlinear elasticity theory
分类号:
TH113.1; TS211.3
摘要:
为了研究悬挂式振动设备启动瞬态共振的产生机理与抑制方法,提出了考虑几何非线性的轴向受力横向大变形柔性吊杆梁模型,并基于异步电机瞬态过程理论,对悬挂式振动设备启动多场耦合瞬态过程进行了数值模拟。采用非线性弹性理论和Euler-Bernoulli梁理论建立了非线性柔性吊杆梁力学模型并进行了数值求解,得到了柔性吊杆自由端横向变形非线性弹性特性曲线。考虑异步电动机瞬态过程,建立了振动设备刚、柔、电启动瞬态过程多场耦合模型。数值仿真结果揭示了振动设备瞬态共振的产生机理和偏心距自调激振方式瞬态共振的抑制机理。在相同条件下,电磁转矩振荡衰减时间在原激振方式下约为0.5 s,在自调式激振方式下低于0.2 s; 最大瞬态振幅在原激振方式下为133.89 mm,在自调式激振方式下为90.6 mm,瞬态共振得到了很好的抑制。
Abstract:
To study the generating and inhibiting mechanism of the starting transient resonance in suspension vibration machines,a beam mechanics model of flexible suspenders with large lateral deformation and axial force is proposed considering geometric nonlinearity.The multi-field coupling transient starting process of a suspension vibration machine is numerical simulated based on the transient starting theory of asynchronous motors.A nonlinear beam mechanics model of a flexible suspender is established using nonlinear elasticity theory and Euler-Bernoulli theory and numerically solved,and a nonlinear elasticity characteristic curve of lateral deformation on the free end of the flexible suspender is obtained.Considering the transient starting of asynchronous motors,a rigid,soft and electric multi-field coupling mathematical model during starting period is established.The simulation results reveal the generating mechanism of the starting transient resonance and the inhibiting mechanism of starting transient resonance of eccentricity self-adjustable inertial exciter.Under the same condition,the vibration attenuation time of electromagnetic torque of inertial exciter is about 0.5 s,and that of self-adjustable inertial exciter is below 0.2 s,the maximum instantaneous amplitude of inertial exciter is 133.89 mm,and that of self-adjustable inertial exciter is 90.6 mm.The transient resonance of self-adjustable inertial exciter is restrained well.

参考文献/References:

[1] Al-mogahwi H W H,Baker C G J.Performance evaluation of mills and separators in a commercial flour mill[J].Food and Bioproducts Processing,2005,83(1):25-35.
[2]闻邦椿,李以农,张义民,等.振动利用工程[M].北京:科学出版社,2005.
[3]Antipov V I,Palashova I V.Dynamics of a two-mass parametrically excited vibration machine[J].Journal of Machinery Manufacture and Reliability,2010,39(3):238-243.
[4]Hu Jiyun,Yin Xuegang,Yu Cuiping.Electromechanical coupling model and analysis of transient behavior for inertial reciprocation machines[J].Applied Mathematics and Mechanics,2005,26(11):1499-1505.
[5]Blekhman I I,Indeitsev D A,Fradkov A L.Slow motions in systems with inertial excitation of vibrations[J].Journal of Machinery Manufacture and Reliability,2008,37(1):21-27.
[6]熊万里,闻邦椿,段志善.自同步振动及振动同步传动的机电耦合机理[J].振动工程学报,2000,13(3):325-331. Xiong Wanli,Wen Bangchun,Duan Zhishan.Mechanism of electromechanical-coupling on self-synchronous vibration and vibratory synchronization transmission[J].Journal of Vibration Engineering,2000,13(3):325-331.
[7]邱明,廖振强,焦卫东,等.基于自调式惯性激振的高方平筛动力学建模及数值仿真[J].机械工程学报,2010,46(21):93-99. Qiu Ming,Liao Zhenqiang,Jiao Weidong,et al.Dynamic modeling and numerical simulation of square plansifter with self-adjustable inertial exciter[J].Journal of Mechanical Engineering,2010,46(21):93-99.
[8]邱明,廖振强,李桂红,等.采用自调式激振器的高方平筛停车阶段分析[J].南京理工大学学报,2010,34(5):586-591. Qiu Ming,Liao Zhenqiang,Li Guihong,et al.Analysis on stopping period of square plansifter with self-adjustable inertial exciter[J].Journal of Nanjing University of Science and Technology,2010,34(5):586-591.
[9]李世荣,孙云,刘平.关于Euler-Bernoulli梁几何非线性方程的讨论[J].力学与实践,2013,35(2):77-80. Li Shirong,Sun Yun,Liu Ping.Discussion of Euler-Bernoulli beam geometry nonlinear equations[J].Mechanics in Engineering,2013,35(2):77-80.
[10]Chen Li.An integral approach for large deflection cantilever beams[J].International Journal of Non-Linear Mechanics,2010,45(3):301-305.
[11]Mutyalarao M,Bharathi D,Rao B N.Large deflections of a cantilever beam under an inclined end load[J].Applied Mathematics and Computation,2010,217(7):3607-3613.
[12]Mutyalarao M,Bharathi D,Nageswara Rao B.On the uniqueness of large deflections of a uniform cantilever beam under a tip-concentrated rotational load[J].International Journal of Non-Linear Mechanics,2010,45(4):433-441.
[13]Tari H.On the parametric large deflection study of Euler-Bernoulli cantilever beams subjected to combined tip point loading[J].International Journal of Non-Linear Mechanics,2013,49:90-99.
[14]Chen Liqun,Yang Xiaodong.Nonlinear free transverse vibration of an axially moving beam:Comparison of two models[J].Journal of Sound and Vibration,2007,299(1-2):348-354.
[15]Yang X D,Chen L Q.Steady-state response of axially moving viscoelastic beam on a vibrating foundation[J].Acta Mechanica Solida Sinica,2006,19(4):365-373.
[16]Zhang Shanyuan,Liu Zhifang,Lu Guoyun.Nonlinear flexural waves in large-deflection beams[J].Acta Mechanica Solida Sinica,2009,22(4):287-294.
[17]李卓球,董文堂.非线性弹性理论基础[M].北京:科学出版社,2004.
[18]吴家龙.弹性力学[M].上海:同济大学出版社,1987.
[19]汤蕴璆,张奕黄,范瑜.交流电机动态分析[M].北京:机械工业出版社,2005.
[20]顾尧臣.粮食加工设备工作原理、设计与应用[M].武汉:湖北科学技术出版社,1998.

备注/Memo

备注/Memo:
收稿日期:2014-05-17 修回日期:2014-10-10
基金项目:国家自然科学基金(51376090; 51375241)
作者简介:邱明(1976-),男,博士,讲师,主要研究方向:机械系统仿真与优化,机械结构振动与控制,E-mail:njustqm@163.com; 通讯作者:廖振强(1950-),男,教授,主要研究方向:现代机械设计理论与方法,E-mail:zheqliao@njust.edu.cn。
引文格式:邱明,廖振强,李佳圣,等.悬挂式惯性振动设备多场耦合瞬态过程分析[J].南京理工大学学报,2014,38(6):802-810.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2014-12-31