现代制造工程 ›› 2018, Vol. 453 ›› Issue (6): 1-5.doi: 10.16731/j.cnki.1671-3133.2018.06.001

• 实验研究 •    下一篇

新型双变频振动结构及其振动特性研究

化春键1,2, 陆云健1,2, 袁浩1,2   

  1. 1 江南大学机械工程学院,无锡 214122;
    2 江南大学江苏省食品先进制造装备技术重点实验室,无锡 214122
  • 收稿日期:2017-03-13 出版日期:2018-06-18 发布日期:2018-07-20
  • 通讯作者: 陆云健,通信作者。E-mail:277795559@qq.com;951344524@qq.com
  • 作者简介:化春键,副教授,博士,主要研究方向为变频金属棒料分离、机器视觉与传感器技术。
  • 基金资助:
    国家自然科学基金项目(61104213);中央高校基本科研业务费专项资金项目(JUSRP11008)

A new type of double-frequency conversion vibration structure and its vibration characteristics

Hua Chunjian1,2, Lu Yunjian1,2, Yuan Hao1,2   

  1. 1 School of Mechanical Engineering,Jiangnan University,Wuxi 214122,Jiangsu,China;
    2 Jiangsu Key Laboratory of Food Manufacturing Equipment Technology, Jiangnan University,Wuxi 214122,Jiangsu,China
  • Received:2017-03-13 Online:2018-06-18 Published:2018-07-20

摘要: 针对金属材料强度研究中的高、低频复合振动载荷加载问题,提出一种新型双变频振动结构。首先,建立了该结构的动力学模型,并给出了详细的运动学方程。其次,建立了双变频振动结构的三维模型,利用ANSYS有限元分析软件对其关键的齿轮箱部件进行了模态分析验证,并构建其控制系统。最后,对双变频振动结构的实验机构进行了振动特性实验研究。实验结果表明,该结构的高频与低频振动均可实现并可控,能够提供单频振幅以及双频叠加振幅,其振动特性实验数据与动力学模型的分析结果吻合,证明了动力学模型的正确性。

关键词: 关键词双变频振动, 动力学模型, 运动学方程, 振动特性

Abstract: A new type of double-frequency conversion vibration structure is proposed for the loading of high-low frequency vibration in the study of metal material strength.Firstly,the kinetic model of the structure is established,and a detailed kinematics equation is given.Secondly,the three-dimensional model of double-frequency conversion vibration structure is established.The key gearbox components are analyzed and validated by ANSYS software.Its control system is also constructed.Finally,the vibration characteristics of double-frequency conversion vibration structure are studied.The experimental results show that both of the high-frequency and low-frequency vibration can be controlled and it can also provide single-frequency amplitude and double-frequency superposition amplitude.The experimental data of vibration characteristics is in good agreement with the results of the dynamic model,which proves the correctness of the dynamical model.

Key words: double-frequency conversion vibration, kinetic model, kinematic equation, vibration characteristics

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