4LY-180型油菜聯(lián)合收割機(jī)的設(shè)計(jì)（三江）

4LY-180型油菜聯(lián)合收割機(jī)的設(shè)計(jì)（三江）,ly,油菜,聯(lián)合收割機(jī),設(shè)計(jì),三江 摘 要 本文闡述了目前國內(nèi)油菜收割的現(xiàn)狀，指出了國內(nèi)油菜聯(lián)合收割機(jī)研究的成績和存在的問題，并對(duì)油菜收割技術(shù)的前景做了展望。通過動(dòng)力學(xué)原理來設(shè)計(jì)作為清選裝置的振動(dòng)篩，采用雙風(fēng)扇配合振動(dòng)篩將油菜從雜物中分離，并對(duì)清糧的原理進(jìn)行了論證。根據(jù)經(jīng)驗(yàn)選擇了加密圓孔篩作為篩面。參考實(shí)驗(yàn)?zāi)Ｐ筒?duì)其傳動(dòng)方案進(jìn)行了改良，使傳動(dòng)更加有效、合理。著重對(duì)油菜聯(lián)合收割機(jī)進(jìn)行了設(shè)計(jì)計(jì)算。對(duì)軸的設(shè)計(jì)是根據(jù)彎扭組合強(qiáng)度來進(jìn) 行設(shè)計(jì)校核的，在保證強(qiáng)度的條件下盡量節(jié)省材料。軸承和帶輪的設(shè)計(jì)和校核嚴(yán)格根據(jù)機(jī)械設(shè)計(jì)手冊(cè)進(jìn)行，強(qiáng)度和壽命都達(dá)到滿足實(shí)際生產(chǎn)生活的要求。其他零件非標(biāo)準(zhǔn)見參考實(shí)驗(yàn)機(jī)型的設(shè)計(jì)，標(biāo)準(zhǔn)件則根據(jù)設(shè)計(jì)手冊(cè)進(jìn)行設(shè)計(jì)，滿足了油菜聯(lián)合收割機(jī)對(duì)振動(dòng)篩部分的設(shè)計(jì)。 關(guān)鍵詞：油菜；收割機(jī)；設(shè)計(jì)；振動(dòng)篩；軸；軸承；帶輪 ABSTRACT This paper describes the?current situation?of domestic?rapeseedharvest,?pointed out that the?domestic research?of rape combine harvester?and the existing problems,?and?on rape?harvest?technology?prospect.?Through the dynamics?principle in the design of?vibration as the?cleaning device?screen,double?fan?with?vibration?sieve?will?rape?is separated from the?debris,?and the principle of?cleaning?are demonstrated.?According to th.?According to the experience of?selected?as encryption round hole sieve screen surface. The reference model and the improvement of its transmission scheme, the transmission more efficient,?reasonable. The rape combine harvester for the design and calculation. Is to design and check?according to the?bending and torsion?strength?of?shaft design,?ensuring the strength of the?conditions?to?save material.?Bearing?and a belt wheel?design and check?strictly?according to theHandbook of mechanical design,?strength and life?to?meet the actual productionrequirements of life.?Other?parts,?non?standard?design reference?experimentalmodels,?standard parts?according to the?design manual?design,?meet the?rape combine?part of the design?of the vibrating screen. Keywords:?rape；harvester；design；vibration sieve；shaft； bearing；pulley 目 錄 第一章 引言…………………………………………………………………1 1.1按照油菜籽的空氣動(dòng)力學(xué)特性進(jìn)行分離……………………………………1 1.2按照油菜籽的尺寸特性進(jìn)行分離……………………………………………2 1.3利用氣流和篩子配合進(jìn)行分離………………………………………………2 第二章 我國油菜收割機(jī)的現(xiàn)狀與展望……………………………………3 2.1油菜的市場(chǎng)情況………………………………………………………………3 2.2油菜的種植方式對(duì)實(shí)現(xiàn)機(jī)收的影響…………………………………………4 2.3油菜收獲機(jī)械化技術(shù)現(xiàn)狀……………………………………………………4 2.4油菜收獲機(jī)械化技術(shù)展望……………………………………………………5 第三章 振動(dòng)篩的設(shè)計(jì)………………………………………………………10 3.1篩面的選擇…………………………………………………………………10 3.2傳動(dòng)方案的選擇……………………………………………………………10 第四章 零件的設(shè)計(jì)計(jì)算……………………………………………………11 4.1后軸的設(shè)計(jì)計(jì)算……………………………………………………………11 4.2前軸的設(shè)計(jì)計(jì)算……………………………………………………………14 4.3帶輪的設(shè)計(jì)計(jì)算……………………………………………………………15 4.4后軸軸承的選用……………………………………………………………17 4.5關(guān)于振動(dòng)篩其他零件的設(shè)計(jì)校核…………………………………………18 結(jié)束語………………………………………………………………………………19 致謝…………………………………………………………………………………20 參考文獻(xiàn)…………………………………………………………………………21