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1、摘要現(xiàn)在農(nóng)業(yè)采摘已采用專(zhuān)業(yè)化、集約化和規(guī)?;烧r(nóng)業(yè)采摘機(jī)成為當(dāng)今世界最具活力的新興農(nóng)業(yè)機(jī)械之一和現(xiàn)代農(nóng)業(yè)機(jī)械的亮點(diǎn)。結(jié)合我國(guó)農(nóng)業(yè)生產(chǎn)的實(shí)際需要,針對(duì)漿果采摘機(jī)農(nóng)業(yè)機(jī)械市場(chǎng)的特點(diǎn),對(duì)漿果采摘機(jī)進(jìn)行了研究、開(kāi)發(fā),設(shè)計(jì)研制出一種可自動(dòng)完成對(duì)漿果的采摘及收獲的機(jī)械。課題從漿果采摘機(jī)原動(dòng)部分及傳動(dòng)部分的設(shè)計(jì)、工作部分的設(shè)計(jì)、液壓系統(tǒng)的設(shè)計(jì)等多方面詳細(xì)介紹了研究過(guò)程與方法,并給出了安裝及維護(hù)的注意事項(xiàng)。本設(shè)計(jì)以拖拉機(jī)作為原動(dòng)機(jī),通過(guò)拖拉機(jī)的拖拽,實(shí)現(xiàn)了漿果采摘機(jī)的行駛功能,液壓馬達(dá)為動(dòng)力源,采用四連桿機(jī)構(gòu)實(shí)現(xiàn)了采摘機(jī)的采摘功
2、能。針對(duì)不同的農(nóng)業(yè)地況,車(chē)體設(shè)計(jì)成可升降的結(jié)構(gòu)。關(guān)鍵詞:漿果采摘機(jī);結(jié)構(gòu)設(shè)計(jì);理論計(jì)算28AbstractNowagriculturalpickinghasadoptedspecialized,intensiveandlarge-scaleagriculturepicking,pickingmachinebecomestheworld'smostdynamicemergingagriculturalmachineryandmodernagriculturalmachinerywindow.WithChina'sagr
3、iculturalproductionactualneed,accordingtoberrypickingmachineagriculturalmachinerymarketcharacteristics,theberrypickingmachineundertookresearch,development,designanddevelopaautomaticcompletionoftheberrypickingandharvestingmachinery.Theberrypickingmachinedrivingp
4、artandatransmissionpartofthedesign,partofthedesignwork,thedesignofhydraulicsystemandotheraspectsdetailedintroducesthestudyprocessandmethod,andgivestheinstallationandmaintenanceofthemattersneedingattention.Thedesignoftractorasmotive,thetractordrag,realizesthedri
5、vingfunctionofberrypickingmachine,hydraulicmotorasapowersource,fourconnectingrodmechanismisadoptedtorealizepickingmachinepickingfunction.Inviewofthedifferentagriculturalcondition,bodyisdesignedintoaliftingstructure.Keywords:Berrypickingmachine;Structuredesign;T
6、heoreticalcalculation28目錄摘要IAbstractII第1章緒論11.1選題的意義11.2采摘機(jī)概述11.2.1國(guó)內(nèi)外發(fā)展情況11.2.2采摘機(jī)的簡(jiǎn)介21.2.3采摘機(jī)的主要用途和應(yīng)用領(lǐng)域2第2章總體方案設(shè)計(jì)42.1總體方案確定42.1.1旋轉(zhuǎn)式結(jié)構(gòu)42.1.2擺動(dòng)式結(jié)構(gòu)52.2方案介紹及選擇52.2.1旋轉(zhuǎn)式采摘介紹52.2.2擺動(dòng)式采摘介紹52.2.3采摘方案選擇6第3章采摘機(jī)的結(jié)構(gòu)設(shè)計(jì)及計(jì)算73.1參數(shù)初定73.1.1車(chē)體框架尺寸初定73.1.2接果板總長(zhǎng)初定73.1.3擺架機(jī)構(gòu)尺寸初定7
7、3.2框架的材料選擇及重量計(jì)算73.3傳輸帶鏈輪的設(shè)計(jì)83.3.1初選鏈輪齒數(shù)83.3.2確定計(jì)算功率83.3.4計(jì)算單排鏈所能傳遞的功率及鏈節(jié)距8283.3.5確定鏈實(shí)際長(zhǎng)度及中心距83.3.6計(jì)算鏈速93.3.7計(jì)算作用在軸上的壓軸力93.3.8按靜強(qiáng)度校核鏈條93.3.9潤(rùn)滑方式的選擇103.3.10鏈輪的結(jié)構(gòu)設(shè)計(jì)103.4擺架的設(shè)計(jì)103.5軸的設(shè)計(jì)及計(jì)算103.5.1選定車(chē)輪軸徑123.5.2車(chē)輪軸的校核143.5.3液壓支柱支撐軸校核163.6軸承壽命計(jì)算16第4章液壓系統(tǒng)設(shè)計(jì)184.1液壓系統(tǒng)的設(shè)計(jì)要求
8、184.2液壓系統(tǒng)的基本回路184.3確定液壓系統(tǒng)的主要參數(shù)204.3.1初選工作壓力204.3.2計(jì)算液壓缸的主要結(jié)構(gòu)尺寸214.3.3液壓缸工作流量的確定224.3.4確定液壓缸的安裝方式224.3.5繪制液壓系統(tǒng)的工作原理圖22第5章漿果采摘機(jī)的安裝與維護(hù)255.1安裝注意事項(xiàng)255.2維護(hù)中的注意事項(xiàng)25結(jié)論26致謝27參考文獻(xiàn)2828