磁吸滾筒式精密播種器的設計與試驗研究.pdf

1、江蘇大學碩士學位論文磁吸滾筒式精密播種器的設計與試驗研究姓名：李宣秋申請學位級別：碩士專業(yè)：農業(yè)機械化工程指導教師：胡建平20061215江蘇大學碩士研究生學位論文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