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直线振荡电机的柔性板弹簧性能参数分析
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国家自然科学基金项目(51705390);陕西省教育厅重点实验室基金项目(19JS007);陕西省教育厅科研计划项目(20JK0681;20JC016)


Performance Parameter Analysis of Flexible Plate Spring of Linear Oscillating Motor
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    摘要:

    为提高柔性板弹簧在直线振荡电机运行中的工作效率及其可靠性,设计一种偏心量渐开线柔性板弹簧,并对该板弹簧的径、轴向刚度,疲劳强度,固有频率进行研究。结合腰鼓型变刚度螺旋弹簧的刚度分析模型,建立板弹簧的刚度分析模型,推导出板弹簧的刚度在一定范围内近似为常数;采用有限元软件对不同偏心量、厚度、渐开线终止角和相位差的板弹簧刚度进行分析并得到板弹簧的优化方案;对优化方案的板弹簧的刚度、疲劳强度和固有频率进行分析并进行相关实验验证。结果表明:板弹簧的刚度仿真结果和实验数据基本一致,刚度在一定范围内近似为常数;板弹簧的刚度受厚度影响最大,受偏心量影响最小,结构优化后的刚度得到有效提高;整个板弹簧设计过程符合板弹簧性能设计要求,可较好地表征板弹簧性能特性。

    Abstract:

    In order to improve the working efficiency and reliability of the flexible plate spring in the operation of linear oscillation motor,an eccentric involute flexible plate spring was designed,and its radial stiffness and axial stiffness,fatigue strength and natural frequency were studied.Combined with the stiffness analysis model of variable stiffness coil spring with waist drum type,the stiffness analysis model of the leaf spring was established,and its stiffness was approximately constant in a certain range.The finite element software was used to analyze the stiffness of the leaf spring with different eccentricity,thickness,end angle of involute and phase difference,and the optimization scheme of the leaf spring was obtained.The stiffness,fatigue strength and natural frequency of the optimized scheme were analyzed and verified by relevant tests.The results show that:compared with the experimental data,the stiffness of the leaf spring is approximately constant in a certain range;the stiffness of the leaf spring is affected by the thickness most and the eccentricity is the least;the stiffness of the optimized structure can be effectively improved.The whole design process of the leaf spring meets the requirements of the performance design of the leaf spring,which can better characterize the performance characteristics of the leaf spring.

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管露菁,刘波,王亚娟,张君安.直线振荡电机的柔性板弹簧性能参数分析[J].机床与液压,2022,50(2):8-12.
GUAN Lujing, LIU Bo, WANG Yajuan, ZHANG Jun an. Performance Parameter Analysis of Flexible Plate Spring of Linear Oscillating Motor[J]. Machine Tool & Hydraulics,2022,50(2):8-12

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  • 在线发布日期: 2022-05-13
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