半喂入水稻聯(lián)合收割機的開發(fā)與設(shè)計——分動箱結(jié)構(gòu)改進(jìn)與設(shè)計.pdf

1、天津大學(xué)碩士學(xué)位論文半喂入水稻聯(lián)合收割機的開發(fā)與設(shè)計——分動箱結(jié)構(gòu)改進(jìn)與設(shè)計姓名：郭瑞生申請學(xué)位級別：碩士專業(yè)：儀器儀表工程指導(dǎo)教師：王寶華胡德華2000.12.1墨望查堂三矍堡主蘭垡絲生——AbstractChinaisabigagriculturecountrySoitpaysattentiontofarmmechanizationinnewcenturywhenadjustingitsfarmstructureRIcecombin

2、eisthefirstpositioninthethreeemphasesofprimeZhuRongji’sgovernmentreportin1996Nowthericemechanizationrateisjust27percentinChinaWehopeitis40to50percentincomingtenyears(70to80percentindevelopedcountry)Thereareabout7factorie

3、smanufacturingrlcecombineButallofthemaretotal—feedricecombinewhoselossrateishighChinawantstopopularizethehead—feedricecombineButitcanonlybemadeinWUXITAIHUSowedesignedJT501head—feedricecombinewithChinaagriculturemachinery

4、academyofsciencesInthethesisdiscussedtheapplicationforegroundanddevelopingmeaningofthehead—feedricecombine’sarediscussedTheadvancementoftransfercaseinthedesigningprogramjsthemainpointNotonlYtheadvancementbecomesbasebutal

5、sowellfitsChinaconditionWithadvancedtechnfque，ChinacancatchupwithoroverJapanindesigningandmanufacturingricecombineJT501head—feedricecombinehaspassedthroughsometestandinspectionandbeenthehighandnewtechniquein2000ItiStheSi

6、gnalthatChinaricecombinewalksoutlowtechniqueProfessorWangBaoguanginTianjinUniversityandseniorengineerHudehuainmyfactorydirectsthethesiS1willthankthemandotherteachersi11PreciseInstrumentInstituteofTianjinUniversityKeyword