Dynamics Modeling and Coupling Characteristic Analysis of Tracked Vehicle Gearbox

Zheng Zhang; Guangbin Feng; Huagang Sun

doi:10.16578/j.issn.1004.2539.2019.09.024

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Dynamics Modeling and Coupling Characteristic Analysis of Tracked Vehicle Gearbox

Test·Analysis | 更新时间：2022-09-24

- Dynamics Modeling and Coupling Characteristic Analysis of Tracked Vehicle Gearbox
- Journal of Mechanical Transmission Vol. 43, Issue 9, Pages: 137-143(2019)
- 作者机构：
  
  1.32124部队，江苏南京 475000
  2.32181部队，河北石家庄 050003
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2019.09.024
  CLC：
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张政,冯广斌,孙华刚.履带车辆变速箱动力学建模及耦合特性分析[J].机械传动,2019,43(09):137-143.

Zhang Zheng,Feng Guangbin,Sun Huagang.Dynamics Modeling and Coupling Characteristic Analysis of Tracked Vehicle Gearbox[J].Journal of Mechanical Transmission,2019,43(09):137-143.
张政,冯广斌,孙华刚.履带车辆变速箱动力学建模及耦合特性分析[J].机械传动,2019,43(09):137-143. DOI： 10.16578/j.issn.1004.2539.2019.09.024.

Zhang Zheng,Feng Guangbin,Sun Huagang.Dynamics Modeling and Coupling Characteristic Analysis of Tracked Vehicle Gearbox[J].Journal of Mechanical Transmission,2019,43(09):137-143. DOI： 10.16578/j.issn.1004.2539.2019.09.024.

摘要

变速箱是履带车辆核心部件之一，为了能够准确描述变速箱运行过程中内部的耦合特性，在建立变速箱多刚体模型的基础上，将其中箱体、传动轴及轴承柔性化，建立了变速箱刚柔耦合动力学仿真模型。以某实际工况为例，对比分析了刚性模式和刚柔耦合模式下齿轮副动态啮合力的变化规律，得到了各传动轴的载荷特性及箱体表面加速度的时频域曲线，并利用台架实验对变速箱刚柔耦合模型的准确性进行了验证。仿真过程及结果为后续履带车辆变速箱状态监测与故障诊断的研究提供了模型和理论依据。

Abstract

The gearbox is one of the core components of the tracked vehicle. In order to accurately describe the internal coupling characteristics during the operation of the gearbox, based on the establishment of the multi-rigid model of the gearbox, the box, the drive shaft and the bearing are flexibly，the gearbox rigid-flexible coupling dynamics simulation model is established. Taking a practical working condition as an example, the variation law of the dynamic meshing force of the gear pair in rigid mode and rigid-flexible coupling mode is compared and analyzed, and the time-frequency domain curves of the load characteristics of each drive shaft and the surface acceleration of the box are obtained. By using the bench test, the accuracy of the gearbox rigid-flexible coupling model is verified. The simulation process and results provide a model and theoretical basis for the study of gearbox condition monitoring and fault diagnosis for subsequent tracked vehicles.

关键词

履带车辆变速箱刚柔耦合动力学特性

Keywords

Tracked vehicleGearboxRigid-flexible couplingDynamics characteristic

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