Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling

Hong Yun; Wang Dan; Nong Su; Zhu Rupeng; Chen Weifang

doi:10.16578/j.issn.1004.2539.2024.04.016

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Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling

Test·Analysis | 更新时间：2024-04-19

- Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling
- Journal of Mechanical Transmission Vol. 48, Issue 4, Pages: 116-125(2024)
- 作者机构：
  
  南京航空航天大学机电学院，江苏南京 210016
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.04.016
  CLC：
- Published：15 April 2024，
  
  Received：14 December 2022，
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洪运,王旦,农苏等.束腰型膜片联轴器刚度阻尼仿真与试验分析[J].机械传动,2024,48(04):116-125.

Hong Yun,Wang Dan,Nong Su,et al.Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling[J].Journal of Mechanical Transmission,2024,48(04):116-125.
洪运,王旦,农苏等.束腰型膜片联轴器刚度阻尼仿真与试验分析[J].机械传动,2024,48(04):116-125. DOI： 10.16578/j.issn.1004.2539.2024.04.016.

Hong Yun,Wang Dan,Nong Su,et al.Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling[J].Journal of Mechanical Transmission,2024,48(04):116-125. DOI： 10.16578/j.issn.1004.2539.2024.04.016.

摘要

膜片联轴器的刚度、阻尼特性是分析含膜片联轴器传动系统振动特性的基础。基于Ansys有限元仿真软件，考虑接触非线性及大变形效应，仿真分析了膜片联轴器扭转、轴向、角向和径向静刚度特性以及扭转和轴向动力学特性；分析了膜片螺栓孔分布圆直径、螺栓孔径、膜片最小宽度和膜片厚度等膜片结构参数对静刚度的影响；进行静态、动态扭转和轴向拉伸试验，验证了仿真结果的正确性。结果表明，膜片螺栓孔分布圆直径与膜片厚度对膜片各向刚度影响较大，可通过类椭圆函数建立膜片联轴器动力学模型，求解获得膜片振动1周期内非线性刚度及等效阻尼系数变化。

Abstract

The stiffness and damping characteristics of the diaphragm coupling are the basis for analyzing the vibration characteristics of the shafting system with the diaphragm coupling. Based on Ansys finite element simulation software

considering contact nonlinearity and large deformation effects

this study simulates and analyzes the torsional

axial

angular and radial static stiffness characteristics and torsional and axial dynamic characteristics of the diaphragm coupling

and analyzes the influence of the diaphragm structure parameters such as the diameter of the bolt hole distribution circle

the diameter of the bolt hole

the minimum width of the diaphragm and the thickness of the diaphragm on the static stiffness. Finally

static

dynamic torsion and axial tension tests are carried out to verify the correctness of the simulation results. The results show that the diameter of the bolt hole distribution circle and the thickness of the diaphragm have a greater influence on the anisotropic stiffness of the diaphragm. The dynamic model of the diaphragm coupling can be better established through the quasi elliptic function. The nonlinear stiffness and the equivalent damping coefficient changes in a period of the diaphragm vibration can be obtained.

关键词

膜片联轴器有限元刚度阻尼

Keywords

Diaphragm couplingFinite elementStiffnessDamping

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