噪声与振动控制2017，Vol.37Issue(2)：28-32,66,6.DOI:10.3969/j.issn.1006-1355.2017.02.006
基于掘进机履带架焊接变形的履带动力学特性分析
Analysis of Dynamic Characteristics of Tracks Based on Welding Deformation of Roadheader Crawler Frames
高永新 1樊昊1
作者信息
- 1. 辽宁工程技术大学 机械工程学院,辽宁 阜新 123000
- 折叠
摘要
Abstract
The influence of welding deformation of the roadheader crawler frame on the travel dynamics of tracks is studied. The welding process of the crawler frame is simulated by means of the Ansys finite element software and the deformation of crawler frame is obtained. On this basis, the multi-DOF dynamic model of the track is established by Lumped Mass Method. According to Bekker theory, the contact force between the track and the ground is regarded as external load. The influence of the different deformations of the crawler frame on the tensile force and vibration of the track is analyzed numerically. The simulation results show that the welding deformation of the track frame can make the track plate to have a swing angle change, which has a great influence on the travel dynamics of the track. Large deformation of the track frame can lead to a large tensile force. When the swing angle reaches 0.7 °, the drive-induced tensile force of the creepers of the track is within 44 kN-45.6 kN, which induces violent vibration.关键词
振动与波/掘进机/履带/多自由度动力学模型/焊接变形Key words
vibration and wave/roadheader/track/multi-DOF dynamic model/welding deformation分类
机械制造引用本文复制引用
高永新,樊昊..基于掘进机履带架焊接变形的履带动力学特性分析[J].噪声与振动控制,2017,37(2):28-32,66,6.
