机械工程学报 >

2017 , Vol. 53 >Issue 7: 1 - 12

DOI: https://doi.org/10.3901/JME.2016.07.001

机构学及机器人

颗粒阻尼器配置对齿轮传动系统动特性影响*

  • 肖望强 ,
  • 黄玉祥 ,
  • 李威 ,
  • 林宏 ,
  • 陈智伟
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  • 1. 厦门大学航空航天学院 厦门 361005;
    2. 北京科技大学机械工程学院 北京 100083;
    3. 北京宇航系统工程研究所 北京 100076

肖望强(通信作者)，男，1981年出生，博士，副教授。主要研究方向为机械动力学、新型机械传动。

E-mail：xiao_xwq@126.com

网络出版日期: 2016-04-05

基金资助

国家重点基础研究发展计划(973计划,2013CB035501)和国家自然科学基金(51275284, 51323005)资助项目

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Influence of Particle Damper Configurations on the Dynamic Characteristic for Gear Transmission System

  • XIAO Wangqiang ,
  • HUANG Yuxiang ,
  • LI Wei ,
  • LIN Hong ,
  • CHEN Zhiwei
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  • 1. School of Aerospace Engineering， Xiamen University， Xiamen 361005;
    2. School of Mechanical Engineering， University of Science and Technology Beijing， Beijing 100083;
    3. Beijing Institute of Astronautical Systems Engineering， Beijing 100076

Online published: 2016-04-05

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摘要

齿轮传动正朝着高速、重载和高精度方向发展，对其动态性能要求越来越高。颗粒阻尼通过颗粒间、颗粒与阻尼器壁间的非弹性碰撞和摩擦作用耗能，具有减振效果显著、耐高温、各向同性、对原结构改动小等优点。利用有限元法对齿轮进行了有预应力的模态分析，通过齿轮系统动力学分析，研究单双齿啮合激励对齿轮传动的影响;同时建立齿轮传动离心场中颗粒系统耗能模型，将离散元法计算颗粒系统耗能和试验测试对比，分析阻尼器配置对齿轮传动系统动特性的影响。结果显示，阻尼器配置方案是影响齿轮传动系统动特性的一个重要因素，在阻尼孔中填充一定数量的颗粒，当阻尼器总体积相同且齿轮结构静刚度相差不大时，阻尼器个数越多颗粒系统能耗越大;当阻尼孔直径相同时，阻尼孔个数越多颗粒系统总能耗越小;当阻尼孔个数相同时，阻尼孔直径越大颗粒系统能耗越小。通过试验和仿真对比验证了模型的正确性，为颗粒阻尼在离心场中的应用提供重要的理论依据。

关键词： 颗粒阻尼器; 齿轮传动; 离心场; 离散元方法; 动特性

本文引用格式

肖望强 , 黄玉祥 , 李威 , 林宏 , 陈智伟 . 颗粒阻尼器配置对齿轮传动系统动特性影响*[J]. 机械工程学报, 2017 , 53(7) : 1 -12 . DOI: 10.3901/JME.2016.07.001

Abstract

The gear transmission is advancing towards high speed,heavy load and high precision. The requirements for the dynamic performance of gear system are urgently proposed. The particle damping dissipates mechanical system energy through inelastic collisions and friction between particles. It is an effective and simple measure for vibration reduction. It has many advantages,such as isotropy,high temperature resistance and less modification to the original structure. This paper has conducted the prestressed modal analysis of gear system by the finite element method. Based on the dynamics analysis of gear system,the effect of single tooth and double teeth meshing incentive on gear transmission has been analyzed. The energy dissipation model of particle damping for gear transmission in centrifugal field has been established. By contrasting theoretical analysis and the test,the effect of damper configuration on dynamic characteristic of gear transmission system is analyzed. The results show that damper configuration is an important factor of the dynamic characteristic for gear transmission system. Filling a certain number of particles,when the gears static stiffness are similar and the total dampers volume are equal,the more damping hole,the greater the total energy loss. When the damping holes diameter are the same,the more number of damping hole,the smaller the total energy loss. When the damping hole number is the same,the bigger the diameter,the less the total energy loss. Experimental results are consistency with the theoretical analysis. These results can provide guidelines for the application of particle damping in centrifugal field.

Key words： particle damper; gear transmission; centrifugal field; discrete element method; dynamic characteristic

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