刮板输送机运行阻力计算分析

*,(,123000):探讨了刮板输送机链条阻力计算的意义以及在各种不同的驱动状况下刮板链条阻力预张力的计算方法,并在此基础上研究了随刮板输送机结构的不同,阻力计算中各个系数的影响因素及其选择计算,从而为刮板输送机的预紧力和紧链力计算驱动系统的计算选择提供了理论依据,保证了刮板输送机正常的工作:刮板输送机;预张力;阻力:TD528:A:10030794(2009)01000303AnalysisofScraperConveyorRunningResistanceXUGuang-ming,YANGWei-hong(MechanicalEngineeringCollege,LiaoningTechnicalUniversity,Fuxin123000,China)Abstract:Discussesascraperconveyorchainofresistanceintermsofsignificance,aswellasinvarioussituationsscraperdrivechaintensionresistancetothemethodofcalculation.Andonthebasisofthisstudywithascraperconveyorstructureofthedifferentcalculationofresistancecoefficientofvariousfactorsandchoice.Thusscraperconveyortobearinthechainofforceandbearintermsofchoicedrivensystemofcalculationprovidesatheoreticalbasistoensurethatthescraperconveyortonormalwork.Keywords:scraperconveyor;tensioninadvance;resistance0,,,,*,(0778),,,,(,),133影响输送机挡板内侧与采煤机机身之间间隙的几个因素(1),(2),(3),50mm,,,2(1),,(2),(3),(4)(5),,,:[1],.[J].,2008,29(2):30-32.[2],.[J].,2008,29(2):149-150.[3],.400m[J].,2008,29(4):31-34.:(1965-),,,1988,,:0313-2856032,:lkgxym@126com.:20081010330120091煤矿机械CoalMineMachineryVol30No01Jan.2009,,,,,,1,,,,:(1);(2);(3);(4);(5),1,q,q1,,L,:(1)Fz=(q1+q1)Lcos(q+q1)LcosFk=q1L(cossin)!+∀!-∀:!+∀,!-∀(2),,a,1,,,L1,L,1Fk=q1L(cossin)+[S1+q1L1(coscos)](ef-1)Fz=q1L(cossin)+qL1(1cossin)+S3(ef-1)+q1(L-L1)(cossin)(ef-1)S1!1∀,kN;S3!3∀,kN;f(),2l,#,a2Lkp=4aR-a2=2arcsinaa2+L2kpn∃2Rl2,,!∀,,,,,,4Vol30No01,3011,2,1,2,2,2,2(1.,300130;2.,075025):对某型号刮板输送机输煤槽拉移耳进行形状优化设计,获得!L∀形拉移耳通过形状优化设计,改进了原拉移耳拉孔的形状,改善了拉孔处的受力状况,减少了拉孔处的应力水平,并且使应力分布均匀化实践证明,这种形状拉移耳能够减少零件的失效率,提高工作的可靠性:结构优化;有限元分析;拉移耳;形状优化;输煤槽:TD528:A:10030794(2009)01000503ShapeOptimizationofPullingEaronCoalSupplyingTankMURun-qing1,2,JIAHai-peng1,2,LIUBo2,QIEYan-hui2,LIXiao-lei2(1.MechanicalEngineeringCollege,HebeiUniversityofTechnology,Tianjin300130,China;2.ZhangjiakouCoalMiningMachineryCompany,ChinaCoalandSourceGroup,Zhangjiakou075025,China)Abstract:Givestheshapeoptimizationprocedureofpullingearoncoalsupplyingtankthroughfiniteelementanalysis.Throughshapeoptimizationandimprovetheshapeofthepushinghole,toimprovetheloadifsituationunderdifferentcondition,reducedthestresslevel.Thusmakethestressdistributeduniformlyaroundthewholestructure.Numericalresultsshowthatthebestshapeofpullingearshouldbe!L∀type.Theoptimalshapehassomeadvantagesoverthetraditionallinetype,suchaslowerstresslevelandaveragedstressdistribution.Keywords:structureoptimization;finiteelementanalysis;pullingear;shapeoptimization;coalsupplyingtank0,,,,,,,1,,,,,f=0.3(1)=0.351=0.55(2)=0.41=0.75(3)()=0.31=0.8(4)()=0.41=1.2(5)()=0.51=0.8,,;,;,3,,:[1].[J].,2002.[2].[J].,2001,22(11):9-10.[3],.[M].:,1991.:(1979-),,,,,:0418-2160486,:[e-mail]:20081015530120091煤矿机械CoalMineMachineryVol30No01Jan.2009