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ID:34333382
大小:9.79 MB
页数:8页
时间:2019-03-05
《迈步式超前支护系统设计与支护特性研究》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、迈步式超前支护系统设计与支护特性研究DESIGNONSTEP-TYPEADVANCEDSUPPORTINGSYSTEMANDRESEARCHONTHESUPPORTINGCHARACTERISTICS谢苗1刘治翔1毛君1卢进南1池城2(1.辽宁工程技术大学机械工程学院,阜新1230002.煤科集团沈阳研究院有限公司,沈阳110000)XIEMiaoLIUZhiXiangMAOJunLUJinNanCHICheng(1.CollegeofMechanicalEngineering,LiaoningTechnicalUn
2、iversity,Fuxin123000,China)2.ShenyangBranchofChinaCoalResearchInstitute,Shenyang110000,China)摘要为提高综掘巷道的掘进效率、改善支护工艺,提出一种用于综掘巷道迎头顶板支护和自移式迈步式超前支护装备。分析巷道迎头顶板的力学特性和超前支护装备的工作原理,建立超前支护-顶板系统的力学模型,利用结构力学和材料力学相关理论建立顶板的挠度方程,借助计算机辅助软件求解顶板的变形规律。使用Ansys仿真软件对顶板及支护设备的变形量进行仿真。设
3、计了超前支护实验样机,结合模拟顶板对超前支护装备的支护特性进行了模拟实验。实验结果表明,在超前支护装备的作用下,巷道顶板得到了有效支护,顶板变形量较小,其具有较高的工程应用价值。关键词综掘巷道;超前支护;挠度方程;支护技术中图分类号TD353Abstract:Inordertoimprovethedrivingefficiency,andsupporttechnology,designakindofstepping-typeadvancedsupportingequipmentwhichcanbeusedforsup
4、portingonfullymechanizedtunnelling.Analysisthemechanicalcharacteristicsoftheroofofroadwayandtheworkingprincipleoftheadvancedsupportingequipment,andestablishthemechanicsmodeloftheadvancedsupportingequipmentwithroof.Establishthedeflectionequationofroofbythetheory
5、ofstructuralmechanicsandmaterialsmechanics,andsolvethedeformationlawoftheroofwiththehelpofcomputeraidedsoftware.SimulatethedeformationofroofandsupportingequipmentusingANSYSsoftware.Buildadvancedsupportingprototype,andcarryoutsimulationexperimentsaboutsupporting
6、characteristicscombinedwiththesimulationofroof.Thesimulationandexperimentalresultsshowthat,theroofhasbeensupportedeffectivelywiththehelpofadvancedsupportingequipment,andtheequipmenthashighvalueinengineeringapplication.Keywordsfullymechanizedtunnelling;supportin
7、ginadvance;deflectionequation;supportingtechnology;Correspondingauthor:XIEMiao,E-mail:380357369@qq.com,+86-418-3350507,Fax:+86-418-3350507TheprojectsupportedbythetheNationalNaturalScienceFoundationofChina(No.51304107),andtheEducationDepartmentofLiaoningProvince
8、,China(No.L2012118),andtheInnovationTeamProjectofEducationDepartmentofLiaoningProvince,China(No.LT2013009).Manuscriptreceived20140902,inrevisedfrom20140919.*20140902收到初稿,201
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