长螺旋打桩机三环减速器内齿环板动态特性分析
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摘要
为研究长螺旋打桩机三环减速器内齿环板的动态特性,利用Ansys workbench软件建立了该减速器的三相内齿环板的有限元模型,对模型进行了模态分析,得到了固有频率和振型,分析了弯曲、扭转及耦合振动特性。结果表明:内齿环板表现出很强的模态密集行为,前1～10阶主要以弯曲振动为主,第11～20阶大多表现出明显的耦合振动特性,主要振幅变形量集中在第2相内齿环板,最大变形量4.608 6 mm,频率为1 830.8 Hz,为长螺旋打桩机专用的三环减速器的结构改进及动态结构优化设计提供一些依据。
The paper aims to study the dynamic characteristics of the inner ring plate of the three-ring reducer for a long ring screw pile driver.The finite element model of the three-phase inner ring gear plate of this reducer was established by using Ansys workbench.The modal analysis of the model was performed,with its intrinsic frequency and vibration mode obtained.And its characteristics such as bending,torsion and coupled vibration were analyzed.The results show that the inner ring plate exhibits a strong mode-intensive behavior.The first 10 orders are dominated by bending vibrations,and the 11~(th) to 20~(th) orders mostly show obvious coupling vibration characteristics.The main amplitude deformation is concentrated in the 2~(nd) phase inner ring gear plate with the maximum deformation of 4.608 6 mm and frequency of 1 830.8 Hz.The result provides a basis for the structural improvement and dynamic structure optimization of the special three-ring reducer for long spiral pile drivers.
The paper aims to study the dynamic characteristics of the inner ring plate of the three-ring reducer for a long ring screw pile driver.The finite element model of the three-phase inner ring gear plate of this reducer was established by using Ansys workbench.The modal analysis of the model was performed,with its intrinsic frequency and vibration mode obtained.And its characteristics such as bending,torsion and coupled vibration were analyzed.The results show that the inner ring plate exhibits a strong mode-intensive behavior.The first 10 orders are dominated by bending vibrations,and the 11~(th) to 20~(th) orders mostly show obvious coupling vibration characteristics.The main amplitude deformation is concentrated in the 2~(nd) phase inner ring gear plate with the maximum deformation of 4.608 6 mm and frequency of 1 830.8 Hz.The result provides a basis for the structural improvement and dynamic structure optimization of the special three-ring reducer for long spiral pile drivers.
引文
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[12] 李媛,许焕宾,孙艳萍,等.三环减速器齿环部件的动特性分析[J].机械传动,2013,37(9):93. LI Yuan,XU Huanbin,SUN Yanping,et al.Analysis of Dynamic Characteristics of the Ring Plates Component of a Three-ring Gear Reducer[J].Journal of Mechanical Transmission,2013,37(9):93. (in Chinese)
[2] 朱才朝,秦大同,刘清友,等.三环减速器的运动副间隙对动力学的影响[J].农业机械学报,2000,31(1):82. ZHU Caichao,QIN Datong,LIU Qingyou,et al.Effect of Clearance Between Turning Pairs on Dynamic Characteristics in a Three-ring Reducer[J].Transactions of the Chinese Society for Agricultural Machinery,2000,31(1):82.(in Chinese)
[3] 辛绍杰,李华敏,梁永生.油膜浮动均载的两级三环减速器的研究[J].中国机械工程,2002,13(9):787. XIN Shaojie,LI Huamin,LIANG Yongsheng.Study of a Two-stage Three-ring Gear Reducer of Equilibrating Load by Oil-film Floating[J].China Mechanical Engineering,2002,13(9):787.(in Chinese)
[4] 辛绍杰,李华敏,李瑰贤,等.用于抽油机的新型两级三环减速器的振动分析[J].中国机械工程,2001,12(S1):182. XIN Shaojie,LI Huamin,LI Guixian,et al.Vibration Analysis on a New Type of Two-stage Three-ring Gear Reducer for Pumping Units[J].China Mechanical Engineering,2001,12(S1):182.(in Chinese)
[5] 张雪雁,孟宪举,蔡玉强.三环传动系统振动特性研究[J].机械设计与制造,2008(9):82. ZHANG Xueyan,MENG Xianju,CAI Yuqiang.Vibration Characteristics of a Three-ring Gear Reducer[J].Machinery Design & Manufacture,2008(9):82.(in Chinese)
[6] 张雪雁,蔡玉强,孟宪举.基于ANSYS的三环减速器有限元分析[J].煤矿机械,2008,29(4):81. ZHANG Xueyan,CAI Yuqiang,MENG Xianju.Finite Element Analysis of a Three -ring Gear Reducer[J].Coal Mine Machinery,2008,29(4):81.(in Chinese)
[7] 温芳,庞毅,陈继照,等.三环减速器热弹耦合动力学特性研究[J].机械传动,2015,39(8):22. WEN Fang,PANG Yi,CHEN Jizhao,et al.Study of the Dynamics Characteristic of a Three-ring Gear Reducer with Thermo-elastic Coupling[J].Journal of Mechanical Transmission,2015,39(8):22. (in Chinese)
[8] 温芳,余波,杨植,等.基于ANSYS热分析的三环减速器行星轴承刚度计算[J].装备制造技术,2016 (3):35. WEN Fang,YU Bo,YANG Zhi,et al.The Stiffness of the Planetary Bearing of a Three Ring Gear Reducer Based on ANAYS Thermal Analysis[J].Equipment Manufacturing Technology,2016(3):35. (in Chinese)
[9] 许冯平,夏有山.基于Pro/E和ADAMS的三环减速器的仿真分析及方法[J].现代制造工程,2014(7):61. XU Fengping,XIA Youshan.Simulation Analysis and Methods of a Three-ring Reducer Based on Pro/E and ADAMS[J].Modern Manufacturing Engineering,2014(7):61.(in Chinese)
[10] 张俊,张策,宋轶民.支撑轴偏心套自由回转的三环减速器弹性动力学分析[J].机械传动,2007,31(4):1. ZHANG Jun,ZHANG Ce,SONG Yimin.Elasto-dynamics Analysis for a Three -ring-plate Gear Reducer with Freely Rotating Eccentric Sleeves on Supporting Shaft[J].Journal of Mechanical Transmission,2007,31(4):1.(in Chinese)
[11] 刘建琴,张策,宋轶民,等.三环减速器的弹性静力分析[J].机械设计,2006,23(2):53. LIU Jianqin,ZHANG Ce,SONG Yimin,et al.Elastic Static Force Analysis of a Three-ring Reducer[J].Journal of Machine Design,2006,23(2):53. (in Chinese)
[12] 李媛,许焕宾,孙艳萍,等.三环减速器齿环部件的动特性分析[J].机械传动,2013,37(9):93. LI Yuan,XU Huanbin,SUN Yanping,et al.Analysis of Dynamic Characteristics of the Ring Plates Component of a Three-ring Gear Reducer[J].Journal of Mechanical Transmission,2013,37(9):93. (in Chinese)