磁吸滾筒式精密播種器的設(shè)計(jì)與試驗(yàn)研究.pdf

1、江蘇大學(xué)碩士學(xué)位論文磁吸滾筒式精密播種器的設(shè)計(jì)與試驗(yàn)研究姓名：李宣秋申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)機(jī)械化工程指導(dǎo)教師：胡建平20061215江蘇大學(xué)碩士研究生學(xué)位論文ABSTRACTBecauseofthevarietydiametersandshapesofthevegetablesandflowersseeds，itiShardfortheprecisionseedertoapplyinthesecropsInordertobette

2、rsolvethisproblem，thepaperadvancedthedrumstructureanddesignedtheprecisionmagneticdrumseederTakethemagneticseedsasstudyobjecttheforcesandmovementinseedingprocessisanalyzedtheconditionforthesecdel“topickthesingleseedisobse

3、rvedwhichprovidethetheoryforthefeedmechanismofprcdsionmagneticdrumseederThreedifferentmagneticplatemodelsareestablishedbasedontheMaxwellsoftwareAfteranalyzingthebestconfigurationofthemagneticplmeisobtained，then，themagnet

4、icissimulatedundertheactualcontrolparametersandstructureparametersThecharacteristicofmagneticsystemandthemagneticforceactontheseedinthemagneticfieldisobtainedwhichisimportanttodesignandoptimizetheprecisionmagneticdrumsee

5、derBasedonthetheoryandsimulationanalysis，thekeypartsoftheprecisionmagneticdrum—seederaredesignedThemodelmachineoftheprecisionmagneticdrum—seederisfinallymanufactured，whichisthenecessaryfortheexperimentSeveralparameterswh

6、ichinfluencetheperformanceoftheseederaletestedbyOrthogonal—testtheinfluencelawofeveryparameterisobtainedByusingtheresultsandadjustingtheparameterstheoptimizedparametersCanbeobtained，whichCanhelptoimprovethemodelmachineAf

7、terimprovingtheseeder，thesingleseeddrillingroteCanreach943％whichcansatisfytherequirementofprecisionseeding，Thepaperobtainedthelawofinfluencetheperformanceoftheseederbasedonthetheoryandsimulationanalysis，experimentalstudy

8、ThelawprovidedthetheoreticalfoundationofdesignparametersandperformanceimprovementandalsolaythebasisofpracticalapplicationoftheprecisionmagneticdrumseederintogranuleseedmechanizedprecisionseedKEYWORDS：magneticforce，drum—s