玉米秸稈粉碎還田機(jī)的設(shè)計(jì)說明書.doc

-1-玉米秸稈粉碎還田機(jī)的設(shè)計(jì)目錄1引言.11.1機(jī)械化秸稈還田的目的及意義.11.2機(jī)械化還田技術(shù)的現(xiàn)狀.11.3機(jī)械化秸稈還田技術(shù)的發(fā)展趨勢(shì).12技術(shù)任務(wù)書.23設(shè)計(jì)計(jì)算說明書.23.1總體設(shè)計(jì).23.1.1傳動(dòng)機(jī)構(gòu).33.1.2工作部件.33.1.3秸稈還田機(jī)刀片的設(shè)計(jì)幾個(gè)問題.43.1.4拖拉機(jī)的性能參數(shù).53.1.5懸掛設(shè)計(jì).83.2主要工作部件設(shè)計(jì)計(jì)算.103.2.1基本參數(shù)計(jì)算.103.2.2錐齒輪的設(shè)計(jì)計(jì)算.113.2.3皮帶輪的設(shè)計(jì)計(jì)算.153.2.4軸的設(shè)計(jì)計(jì)算.183.3性能的校核.263.3.1爬坡穩(wěn)定性能指數(shù).263.3.2拖拉機(jī)懸掛機(jī)構(gòu)油缸提升能力校核.273.4使用說明書.274標(biāo)準(zhǔn)化審查報(bào)告.284.1產(chǎn)品圖樣的審查.284.2產(chǎn)品技術(shù)文件的審查.28-2-4.3標(biāo)注件的使用情況.284.4審查結(jié)論.28結(jié)論.29參考文獻(xiàn).30致謝.31-3-玉米秸稈粉碎還田機(jī)設(shè)計(jì)摘要近幾年隨著玉米產(chǎn)量的大幅度的提高，秸稈、根茬也大量增多，隨之出現(xiàn)的問題是清理秸稈、刨根茬，成了農(nóng)民種地前最頭痛的事，為爭(zhēng)時(shí)爭(zhēng)工，不影響秋種的進(jìn)度，有些農(nóng)民只好將秸稈就地焚燒。既浪費(fèi)資源又污染環(huán)境?？梢园呀斩挿鬯楹箐伻鲈诘乩?，既環(huán)保又可以改變土壤的理化性。玉米秸稈粉碎還田機(jī)就是這樣的一種農(nóng)具，本設(shè)計(jì)采用均力免震法排列刀，工作時(shí)由拖拉機(jī)采用后懸掛方式進(jìn)行耕作。刀具使用Y型刀中間采用齒輪傳動(dòng)和皮帶傳動(dòng)相結(jié)合的方法。關(guān)鍵詞還田機(jī)玉米設(shè)計(jì)-4-畢業(yè)設(shè)計(jì)說明書外文摘要DesignoftheCornstrawcounters-fieldAbstractInrecentyearswiththecornyieldsignificantenhancementofstraw,root,theincreasingnumberofcropalso.Theresultingproblemsiscleanupstraw,followchi,becamefarmerssowthelandbeforeheadaches.Asforwork,whendoesnotaffecttopreparefortheprogressofthestrawstalk,somefarmershadtolocalburned.Dosojustawasteofresourcesandenvironmentalpollution.Wecanputittopiecesafterthestalksstrewninthefield,theenvironmentalprotectioncanalterthesoilphysicochemical.Cornstrawchopperdriveisonesuchfarmimplements.Thisdesignusesshock-freelawsarearrangedinknifeedge,theworkbythetractorbywayoffarmingafterthesuspension.TooluseYknifeamongUSESthegeartransmissionandthe