中国机械工程2018，Vol.29Issue(9)：1039-1044,6.DOI:10.3969/j.issn.1004-132X.2018.09.005
装载机驱动桥疲劳试验扭矩加载谱编制方法研究
Study on Compiling Method of Torque Load Spectrum of Fatigue Tests for Loader Driving Axles
摘要
Abstract
To simulate the loader driving axle fatigue tests more realistic loader actual operation situations,a torque load spectrum compiling method of fatigue tests for loader driving axles was researched.In the compiling processes of the torque load spectrums,the loading method of former transmission shaft forword and reverse was proposed according to the actual torque characteristics of the loader driving axles. Subsequently the levels of load spectrum,the load threshold and the rotational speed of fatigue tests were determined. The results show that the equivalent effects of the theoretical treatment by the loading method of former transmission shaft forword and reverse are consistent with the actual operations of the loader,which may reduce fatigue test difficulties largely. The selection method of rotational speeds for the former transmission shafts in the fatigue tests may get the fatigue tests more realistic to simulate the actual operation of the loader. Loading an intensified fatigue test load spectrum of 11.4 h is equivalent to the actual operation of the loader for 609.2 h,which means that the fatigue test processes of driving axles are accelerated greatly.关键词
装载机驱动桥/前传动轴/疲劳试验/加载谱Key words
loader driving axle/former transmission shaft/fatigue test/load spectrum分类
机械制造引用本文复制引用
梁佳,宋绪丁,黄柱安,郁录平,吕彭民..装载机驱动桥疲劳试验扭矩加载谱编制方法研究[J].中国机械工程,2018,29(9):1039-1044,6.基金项目
国家科技支撑计划资助项目(2015BAF07B02) （2015BAF07B02）
中央高校基本科研业务费专项资金资助项目(310825161005) （310825161005）
