撓性圓盤式大蔥移栽機(jī)的優(yōu)化設(shè)計(jì)與試驗(yàn)研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文撓性圓盤式大蔥移栽機(jī)的優(yōu)化設(shè)計(jì)與試驗(yàn)研究姓名：胡軍申請(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：曾愛(ài)軍封俊20030601AbstractScallionhasbecomeoneofcashcropsofregionalscaleplantingformanyyearsinChinaUnfortunatelybecausescallionisplantedwithasmallspacingbetweenseed

2、lings，allkindsofavailabletransplantersmadeindomesticcannotbeusedfortransplantingscallion，souptonowscallionplantinghastobeplantedbymanualtoolsBasedontheanalysisofthekinetictrackofthescallionduringplanting，basicrelationshi

3、ps‘a(chǎn)mongthecharacteristicparametersofthetransplanterwithtwoflexiblemetaldisks，includingthevelocityofthetransplanter，therateoftransplantingthespacingbetweenseedlings，theangleofreleasingseedlings，thediameterandlengthofseed

4、lings，havebeensetupinthispaperandthenamathematicmodelofoptimumdesignforthetransplanterwiththefinalplantingangleofseedlings(v=90。)hasbeenformulatedandsolvedwithgoodresultsAccordingtotheoptimumsolutions，anewtypeoftransplan

5、terwithtwoflexiblemetaldiskshasbeendevelopedandthefieldtestsofthetransplanterhavebeenconductedTheresnlmnotonlyindicatethatthetransplantercanplantscallionwithsmallspace，andmeettherequirementsofthescallionpracticalplanting

6、，butalsodemonstratethattheoptimumdesignmethodofthetransplanteriscorrectandusemlTheresearchresultsofthiskindoftransplanterinthepaperareveryimportantforthedesignandapplicationinfieldpracticeKeyWord：scallion，transplanterfle