-1-秸稈切碎機(jī)的設(shè)計(jì)目錄1.引言.-6-1.1國(guó)內(nèi)外研究現(xiàn)狀.-6-1.2秸稈加工機(jī)械存在的主要問(wèn)題及發(fā)展趨勢(shì).-7-1.2.1主要問(wèn)題.-7-1.2.2發(fā)展趨勢(shì).-7-1.3設(shè)計(jì)的目的及意義.-7-1.4設(shè)計(jì)內(nèi)容及應(yīng)達(dá)到的技術(shù)要求.-8-1.4.1設(shè)計(jì)內(nèi)容.-8-1.4.2技術(shù)要求.-8-1.5設(shè)計(jì)的基本依據(jù).-8-1.5.1功能設(shè)計(jì)思想.-8-1.5.2總體設(shè)計(jì)依據(jù).-9-2.設(shè)計(jì)方案擬定.-9-3.總體方案設(shè)計(jì).-9-3.1性能指標(biāo)和技術(shù)參數(shù).-10-3.2主要工作部件結(jié)構(gòu)設(shè)計(jì).-11-3.2.1喂入裝置的構(gòu)成.-11-3.2.2喂入輥工作分析.-11-3.2.3切碎長(zhǎng)度及生產(chǎn)率.-13-3.2.4上喂入輥壓緊機(jī)構(gòu).-13-3.2.5切碎器及其技術(shù)要求.-14-3.2.6動(dòng)刀.-15-3.2.7定刀（底刀）.-15-3.2.8拋送裝置.-16-2-3.3機(jī)架和箱體的材料選擇.-16-4.傳動(dòng)方案設(shè)計(jì).-16-5.設(shè)計(jì)計(jì)算及安全性分析.-17-5.1V帶的設(shè)計(jì)計(jì)算.-17-5.2V帶輪的設(shè)計(jì).-18-5.3鏈的設(shè)計(jì).-19-5.4鏈輪的設(shè)計(jì).-20-5.5喂入鏈主動(dòng)輪軸的設(shè)計(jì).-21-6.使用說(shuō)明書.-25-6.1常見(jiàn)的故障原因及排除方法.-25-結(jié)論.-28-參考文獻(xiàn).22致謝.23畢業(yè)設(shè)計(jì)說(shuō)明書中文摘要-3-秸稈切碎機(jī)摘要秸稈是成熟農(nóng)作物莖葉（穗）部分的總稱。通常指小麥、水稻、玉米、薯類、油料、棉花、甘蔗和其它農(nóng)作物在收獲籽實(shí)后的剩余部分。農(nóng)作物光合作用的產(chǎn)物有一半以上存在于秸稈中，秸稈富含氮、磷、鉀、鈣、鎂和有機(jī)質(zhì)等，是一種具有多用途的可再生的生物資源。對(duì)秸稈的飼料化處理，其首先的工序需將秸稈粉碎或切短。本設(shè)計(jì)喂入、切碎和拋送均采用自動(dòng)化裝置，以電動(dòng)機(jī)為動(dòng)力源，通過(guò)皮帶傳輸動(dòng)力到軸，帶動(dòng)軸上的刀的轉(zhuǎn)動(dòng)進(jìn)行切碎，通過(guò)齒輪傳動(dòng)帶動(dòng)進(jìn)料裝置的工作，軸通過(guò)帶傳動(dòng)帶動(dòng)拋送裝置的工作，從而節(jié)省了人力。本設(shè)計(jì)的喂入裝置中的壓緊機(jī)構(gòu)設(shè)計(jì)獨(dú)特，實(shí)現(xiàn)了喂入秸稈過(guò)多時(shí)在喂入輥處不產(chǎn)生堵塞，過(guò)少時(shí)不產(chǎn)生碎段過(guò)長(zhǎng)的現(xiàn)象。關(guān)鍵詞：秸稈切碎器自動(dòng)化畢業(yè)設(shè)計(jì)說(shuō)明說(shuō)外文摘要-4-DesignoftheStrawChopperAbstractStrawisthenamegiventostemsandleavesofmaturecropsleaf.Usuallyreferstotherestofwheat,rice,corn,potatoes,oilseeds,cotton,sugarcaneandothercropsafterharvestseeds.MorethanhalfofProductsofcropphotosynthesisexistsinstraw.Strawisrichinnitrogen,phosphorus,potassium,calcium,magnesiumandorganicmatter.Itisakindofmulti-purposerenewablebiologicalresource.Thefirstoftheprocessesofanimalsfeedstuffistocrushorchopstraw.Thefeeding,shreddingandthrowingalladoptedautomationequipment.Itadoptedelectricmotoraspowersourceanddeliveredpowertotheaxlethroughthebelttodrivetheknifeofaxletochop.Thefeedingequipmentworkedthroughthegearsoperatesandaxlespurredthrowingequipmentthroughbeltdrives,therebysavinglaborpower.Thisprojecthaveseveralchoicesothattosuittherequirementsofdifferentlivestock.Hold-downmechanismoffeedingDeviceisauniquedesigntoachievenojamwhenfeedingtoomuchstrawandnolongstrawwhentherearetoolittlestraw.