工矿自动化2017，Vol.43Issue(10)：89-93,5.DOI:10.13272/j.issn.1671-251x.2017.10.018
在役液压支架部件剩余寿命估算
Residual life estimation of components of hydraulic support in service
摘要
Abstract
In view of problem that existing hydraulic support life estimation method rarely consider continuous performance decline of hydraulic support in use process and leads to great error,a residual life estimation method of components of hydraulic support in service was proposed.Components S-N curve was obtained by correcting material S-N curve through introduction of surface coefficient,structural size coefficient and welding impact coefficient.Then the components S-N curve was used for life estimation according to cumulative damage theory,residual damage capacity and stress spectrum.Multi-level fuzzy evaluation method was used to evaluate the state of hydraulic support roof beam,and overall life coefficient was multiplied by the estimated life to get the residual life of the components of hydraulic support in service.The experimental results show that the estimation error of the proposed method is 3.52 ％ and the precision is high.关键词
液压支架/寿命估算/剩余寿命/疲劳曲线/状态评估Key words
hydraulic support/life estimation/residual life/S-N curve/state assessment分类
矿业与冶金引用本文复制引用
赵东波,陆金桂,姚灵灵,王京涛..在役液压支架部件剩余寿命估算[J].工矿自动化,2017,43(10):89-93,5.基金项目
“十二五”国家科技支撑计划项目(2013BAF02B11). （2013BAF02B11）
