Acoustic vibration characteristic of crack gear structure and simulation

SHAO Ren-ping; XU Zhi-feng; CAO Jing-ming

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Acoustic vibration characteristic of crack gear structure and simulation

更新时间：2026-07-07

- Acoustic vibration characteristic of crack gear structure and simulation
- Vol. 25, Issue 6, (2010)
- 作者机构：
  
  西北工业大学机电学院,西安,710072
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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SHAO Ren-ping, XU Zhi-feng, CAO Jing-ming. Acoustic vibration characteristic of crack gear structure and simulation[J]. 2010, 25(6).
DOI：

SHAO Ren-ping, XU Zhi-feng, CAO Jing-ming. Acoustic vibration characteristic of crack gear structure and simulation[J]. 2010, 25(6). DOI：

摘要

将齿轮结构按照圆盘来等效处理

建立了故障齿轮的动力学分析模型与声学模型

分别分析了径向裂纹和弧向裂纹情况下齿轮体的振动辐射声压与声场指向特性

研究了裂纹对齿轮结构辐射声场特性的影响.综合利用ANSYS及MATLAB软件模拟计算得到裂纹齿轮结构在r=0.5 m球面上的声压指向分布及轴向声压分布

探讨了不同的裂纹类型和不同的裂纹大小对齿轮结构振动声特性的影响程度

通过对模拟研究结果的分析比较与评价来说明裂纹的位置、形状以及裂纹大小对齿轮结构声场特性的影响大小和影响规律

为采用声学方法来诊断齿轮故障奠定了基础.

Abstract

The gear structure was handled equivalent to circinal plate

then the dynamics analysis model and acoustical model of fault gear were established

the sound pressure and the distribution characteristic of sound field of gear elastomer with radial direction crack and arc direction crack were analyzed;and the influence of crack on the radiation characteristic of the sound field of gear structure was studied.With the help of ANSYS and MATLAB software

the distribution of sound pressure in the r=0.5m sphere surface and axial sound pressure of cracked gear structure was obtained

and the influences of various crack types and crack sizes on acoustic characteristic of gear vibration were investigated.Based on analysis

comparison and evaluation of the simulation results

it shows the influence extent and rule of the crack location

crack shape and size in relation to acoustic vibration characteristic of gear structure.These lay a good foundation for gear fault diagnosis using acoustic method.

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