斗轮堆取料机轮体结构优化与可靠性-分析

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1、硕．1：学位论文ABSTRACTABSTRACT’I’hebucketwheelreclalmerandstackeristhecommoncOntlnuousbulkmaterialshandlingmachineintheworld．Becauseit’sakindofcontinuousrunningmachinewithahi曲e伍ciency，itisgreatlyValuedbythecountriesoftheworld．Now，it’susedwidelyinlargeopencastmine，storagespace，powerstat

2、ion，gasworks，1a唱edockofdomainssuchasmines，metallu唱y’electricity’transport，buildingmaterial，chemicalengineeringandsoon．Theboom—typebucketwheelstackerreclaimer，whichismadeupbybucketwheel，boom，superstructure，counter，slewingmechanism，portal，traVelingmechanism，tripperandsoon，isthemost

3、commonkindtobeusedforitsnexibleoperation，widelyworkingrageandlowrequest．Thebucketwheelmechanismisthemainmnctionunitforreclaiming，whichlocatesattheendoftheboom，whoseweightaf凳cttheweightandbalanceofthewholemachinedirectly，soitslightweightdesignisofgreatmeaningtothelightweightdesign

4、ofthewholemachine．Thepu印oseofthetextistogetaoptimizedwheel．ThetextmakesatopologyoptimizationofthewheelofbucketwheelstackerreclaimerwithES0ontheplatfornlofansys，inwhichthestrainenergydensityisusedasthec“terionofelementdeletionandacheckerboardpattemcontrolmethodisused，gettingabestm

5、aterialdistributionmodelofthebucketwheel．Andthenmodi黟thetopologyresult，getaoptimizationmodeI—arcarmwheel，meanwhileconsideringthemanufactureandrefe币ngtopreViousdesignexperience，getanotheroptimizationmodel一straightarmwheel，useadimensionoptimizationmethod(subproblemmethod，sweepmetho

6、dandone—ordermethod)togetthebestdimensionofthetwomodel，thestraightarmwheelmodelisconsiderasthefinalresultoftheoptimization．Atlast，astaticsanalysis，transientanalysisandthereliabilityanalysisisappliedtothemodifiedbucket、VheeltoproVethecapabilityoftheoptimizationresult．Atlast，astres

7、stestisappliedtothebuckerwheel，theresultoftestiscontrastwiththeresultofanalysis，whichrepresenttheanalysisiscorrect．Theoptimizationresultisusedintheproduction，theweightofwhichisgreatlessthantheweightofthemachineofthesamereclamercapability，thestableTII硕I：学位论文目录第一章绪论⋯⋯．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1斗轮堆取料机发展概况及特点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯