振動深松技術(shù)與關(guān)鍵部件研究.pdf

1、Y774063分獺‘，：晰級：啦何代礬；109學母：99(J45飛蛾差蕊夭專學位論文振動深松技術(shù)與關(guān)鍵部件研究StudyonVibratingSubsoilingTechnologyandItsKeyParts研究生：王重控指導教師：奎送塞教援合作指導教師：奎甚墮熬援申請學位門類級別：專業(yè)名稱：研究方向：所在學院：工堂亟盤些扭越氆互程扭越也生亡擅盔生筮垂型[囂工堂陸AbstractInChina，thesubsoilersusedtod

2、ayarcnotsatisfyingwithseveralobviousproblems，suchasinsufficientsubsoilingdepth，hugetillageresistance，highenergyCOSt，etcBasedontheanalysisoftheprevailingtrendofagriculturedevelopmentinChina，andthelocalconditionsinShandong

3、Province，thisthesisdiscussessometheoreticaJanalysisandexperimentalstudyofhowteduceresistanceusingtwodifferentvibrationmethods，namely，selfexcitingvibrationandforcedvibration，invibratingsubsoilingtechnologyInanotherword，th

4、isthesisaimsatmeetingtherequirementofagriculturedevelopmentbetterandincreasingsubsoilingdepthundertheconditionofnotincreasingpowersupplyThecontentofthisthesisisdetailedasfollows：(1)Withthecombinationofquantitativeandqual

5、itativemethods，systemanalysisisperformedregardingthecausesofvibration，theprocessesofreducingresistance，andthetillageprinciplesofselfexcitingvibrationandforcedvibration(2)Theoreticalanalysisandstructuredesignareconductedf

6、orthekeypartofforcedvibratingunitandtheoneofselfexcitingvibratingunit，thatis，eccentricshaftandelasticcomponent，respectively(3)Onthebasisofdesigningtestsubsoilingtillertwodifferentindoorsoilslotexperimentsaleconducted，and

7、abetterdesignofvibratingsubsoilingunitisachievedtoreduceresistancewithincreasingenergycostatthesametime(4)Anelasticcomponentisaddedtotheoriginalsubsoiling—rotaryseederandthusaselfexcitingvibratingsubsoilingunitisbuiltup，

8、andfieldexperimentsareconductedtotestthenewtiller’stillageperformanceThestudyshowsthatbothforcedandselfexcitingvibrationcanreducetractionresistance，howevertheformerincreasesthepowercostbecauseofthenecessityofdrivingthevi

9、bratingpart，and，contrarilythelatterdoesnothavethecorrespondingcostsinceitdoesnotcontainaforeedvibratingsystemTheselfexcitingvibratingsubsoiling—rotaryseederwiththeelasticcomponenthasseveraladvantagessuchasniceandsoundstr

10、ucture，consistentperformance，goodadaptabilityinfield，andhighworkingqualityThisthesissolvessomecommonproblemsexistentinconversationtillageinChina，forinstance，thetillagedepthofcommonsubsoiling—rotaryseedersisfarfromenoughI

11、nsummary，thisstudygivesusanewresearchavenuetoreducingresistanceandsavingenergycostsimultaneouslyindesigningsubsoilingcombinationtilleranditisextremelyvaluableinboththeoreticalaspectsandpracticeKeywords：ConservationTillag