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ID:33211613
大小:7.22 MB
页数:72页
时间:2019-02-22
《直线振动筛的动力学分析与结构优化设计》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、太原理工大学硕士研究生学位论文responsesanalysishavebeenfinished.Theresultsindicatethatthestructurewillhavenoresonance,butthefeedingendhasgreaterdisplacementandthemaximumdynamicstressofthedischargingmouthbaffleisclosetoallowablestressvalue.Basedontheaboveanalysisresults,thebaffle’structurewasmodified.Mean
2、while,centroidoftheZK1230vibratingscreendeviatedfromthelineofvibrationdirection12.04541TIIllbymeasuringinUGOneofthemostimportantcauseofunevenamplitudeisimpropercentroidposition,andtraditionalmethodisdifficulttoachieveoptimizationpurposes.Thispaperadoptedbean’straightlinefeasibledomainmetho
3、dtooptimizethescreenboxandpassedthelineofvibrationdirectionthroughthecentroid.Thedynamicanalysisresultsafteroptimizationshowthatthenewmethodisreasonableandeffectiveforthatthedisplacementundertheworkingfrequencyisimprovedandthestressconcentrationofthedischargingmouthdisappears,themaximumdyn
4、amicstressalsoreducesfrom88MPato42.31V[Pa.Thispaperfirsttimeappliestheadjustingcentroidmethodtooptimizevibratingscreenanddemonstrateitsrationalityandvaliditybytestingresult·Thispaperalsoproposesanewmethodofadjustingcentroidwhichisnamedbean’straightlinefeasibledomainmethod.Combinethevibrati
5、ngscreen’sactualproblemwithadvantagesofthetraditionalcentroiddesignmethod,thenewmethodoffersanewwayfortransformationoflinearvibratingscreenandhasreferencevalueforothersimilarproblems.IV太原理工大学硕士研究生学位论文KEYWORDS:linearvibratingscreen,dynamicanalysis,structuraloptimization,centroidadjustmentV太
6、原理工大学硕士研究生学位论文VI太原理工大学硕士研究生学位论文目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.1课题的研究背景和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一11.2筛分机械技术的发展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..21.2.1国外筛分机械发展概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..21.2.2国内筛分机械发展概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21.3筛分机械的用途及分类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一31.3.1筛分作业的种类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.3.2筛分机械的种类和特点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41.4课题研究的内容及方案⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一71.5本章小结⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一8第二章直线振动筛的工作原理及参数计算⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.1直线振动筛工作原理与结构分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.1.1直线振动筛的结构组成⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92.1.2直线振动筛
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