混凝土振动搅拌机轴端密封结构的分析与设计

《混凝土振动搅拌机轴端密封结构的分析与设计》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、AbstractDoublehorizontalshaftvibratoryconcretemixer,carryinggoodmixingquality,highproductionefficiencyandmanyotheradvantages,hasbeguntobeappliedtoalltypesoflargecementconcreteconstructionprojects.However,theshaftendsealingproblemsisanimportantfactoroflimitingvibratoryconcr

2、etemixermarketing.Thereisanurgentneedforanewshaftsealstructureforvibratoryconcretemixer.Inthispaper,accordingtothe"askaquestion-analyzetheproblem-problemsolving"researchideas,usingliteratureanalysis,list,contrast,theoreticalanalysis,simulationanalysisandexperimentalresearc

3、hmethodstostudyconcretemixerdynamicvibrationshaftsealingproblems.Intheanalysisstage,firstly,theparticularityofthedynamicshaftsealingproblemsareanalyzed,andpointedoutthethreeproblemsfordynamicshaftsealingstructure;then,thesealingstructureandprinciple,theprecisionmanufacturi

4、ngandstorageofparts,thevibrationanddynamicbalanceofmixingshaftsystem,thedeformofmixingshaftsystemaftertheforceaswellasmixingdevicethisfiveaspectsofdynamicsealingtechnologyinfluencefactorswereanalyzed;finally,theexistingdynamicshaftsealtechnologyhasbeenintroduced,anditsseal

5、structureandprincipleshasbeendescribed,andtheexternalmanifestationsandunderlyingcausesofshaftsealfailurehasbeenexplored.Instructuraldesignphase,inaccordancewiththe"designplans--programdesign—structuredesign"designprocess,firstofall,putforwardthedesigngoalsandtasks;then,thr

6、oughthe"twolevelevaluationmethod"thebestschemehasbeenproposedinanumberofpossibleschemes;finally,combinedwiththeenumerationmethod,comparisonmethod,experiencedesignmethod,andthesystemdesignmethodpVThisintroducedintheoreticalcalculation,completedthedesignofsealstructure.Af

7、ternewstructuredesignisfinished,dynamicanalysisofthenewstructureandoperatingstateanalysishadbeendonebyABAQUSFEAsoftware.Theanalysisshowedthatthefrontofsixnaturalfrequenciesofthenewstructureis170.14Hz,170.17Hz,187.04Hz,214.97Hz,234.67Hz,234.75Hz,whichdonotcoincidewiththemix

8、ersystemexcitationfrequency,andavoidedresonance;elasticdampingelementisreasonable,andthes