煤矿掘进机回转平台疲劳寿命分析及结构改进  

Fatigue Life Analysis and Structural Improvement of Slewing Platform of Coal Mine Roadheader

作　　者：张卫军 Zhang Weijun(Yang Coal Group Shouyang Kaiyuan Mining Co.,Ltd.,Jinzhong Shanxi 045400,China)

机构地区：[1]阳煤集团寿阳开元矿业有限责任公司,山西晋中045400

出　　处：《机械管理开发》2024年第7期175-177,共3页Mechanical Management and Development

摘　　要：煤矿掘进机是煤炭开采中的关键设备,回转平台作为掘进机的重要组成部分,其性能直接影响到掘进机的整体工作效率和使用寿命。回转平台的疲劳寿命分析是确保掘进机可靠运行的重要环节。利用有限元法对煤矿掘进机回转平台的疲劳寿命进行了分析,找出了影响回转平台疲劳寿命的主要因素,并提出了相应的结构改进方案。通过对比改进前后的回转平台性能,验证了结构改进的有效性,结构的使用寿命预计能延长25%以上,为煤矿掘进机的优化设计和改进提供了有益的参考。Coal mine roadheader is a key equipment in coal mining,and the rotary platform,as an important part of the roadheader,has a direct impact on the overall efficiency and service life of the roadheader.The fatigue life analysis of the slewing platform is an important link to ensure the reliable operation of the roadheader.The fatigue life of the slewing platform of coal mine roadheader is analyzed by using the finite element method,the main factors affecting the fatigue life of the slewing platform are identified,and the corresponding structural improvement plan is proposed.By comparing the performance of the slewing platform before and after the improvement,the effectiveness of the structural improvement is verified,and the service life of the structure is expected to be extended by more than 25%,which provides a useful reference for the optimized design and improvement of the coal mine roadheader.

关 键 词：掘进机 回转平台 疲劳寿命 有限元法 

分 类 号：U415.51[交通运输工程—道路与铁道工程]