3231 盤刀式莖稈切碎機結(jié)構(gòu)設(shè)計,盤刀式莖稈,切碎,結(jié)構(gòu)設(shè)計 目 錄摘要 ....................................................................................................................................ⅠABSTRACT .....................................................................................................................Ⅱ第 1 章 緒論 ....................................................................................................................11.1 本研究的目的和意義 ..............................................................................................11.2 農(nóng)作物秸稈綜合利用現(xiàn)狀 ......................................................................................21.3 秸稈的特性 .............................................................................................................31.3.1 秸稈的物理特性 ..........................................................................................31.3.2 秸稈的切碎特性 ..........................................................................................41.3.3 秸稈的化學(xué)成分 ..........................................................................................4第 2 章 農(nóng)業(yè)粉碎機設(shè)計方案 ...................................................................................52.1 總體結(jié)構(gòu)設(shè)計 .........................................................................................................52.2 樣機的性能試驗 .....................................................................................................52.3 本章小結(jié) .................................................................................................................7第 3 章 農(nóng)業(yè)粉碎機結(jié)構(gòu)設(shè)計 .................................................................................83.1 切碎器設(shè)計 .............................................................................................................83.1.1 切碎方式選擇 ..............................................................................................83.1.2 切碎原理分析 ..............................................................................................93.1.3 割刀參數(shù)分析 ............................................................................................103.1.4 主要技術(shù)參數(shù)確定 ....................................................................................113.2 喂入機構(gòu)設(shè)計 .......................................................................................................123.3 傳動系統(tǒng)設(shè)計 .......................................................................................................133.4 本章小結(jié) ...............................................................................................................14第 4 章 盤刀式切碎器刀刃曲線對切割能耗的影響 .......................................154.1 切割過程幾何參數(shù)的分析 ...................................................................................154.2 試驗設(shè)計 ...............................................................................................................164.3 結(jié)果與分析 ...........................................................................................................164.4 結(jié)論 ........................................................................................................................174.5 本章小結(jié) ................................................................................................................18第 5 章 動刀片受力分析 ........................................................................................205.1 工作原理 ...............................................................................................................205.2 動刀片的受力分析 ...............................................................................................215.2.1 直刃口動刀片的受力分析 ........................................................................215.2.2 圓弧刃口動刀片的受力分析 ....................................................................245.2.3 動刀片的受力特性曲線 ............................................................................255.3 分析結(jié)果討論 ........................................................................................................265.4 本章小結(jié) ................................................................................................................26第 6 章 切碎機整體結(jié)構(gòu)的設(shè)計 ............................................................................276.1 電機選擇 ................................................................................................................276.1.1 切碎器轉(zhuǎn)速的確定 ....................................................................................276.1.2 切碎器功率消耗 ........................................................................................276.1.3 電機選擇 ....................................................................................................276.2 V 帶傳動的設(shè)計計算 .........................................................................................286.3 傳動零件設(shè)計計算 ...............................................................................................306.3.1 圓柱直齒輪傳動 ........................................................................................306.3.2 圓錐齒輪傳動 ............................................................................................346.3.3 鏈輪傳動 ....................................................................................................376.4 軸的設(shè)計計算和軸系零件的選定 .......................................................................406.4.1 輸入軸的設(shè)計與計算 ................................................................................406.4.2 大齒輪軸的設(shè)計計算 ................................................................................436.4.3 大圓錐齒輪軸的設(shè)計 ................................................................................436.4.4 輸出軸的設(shè)計 ............................................................................................446.4.5 軸承的校核 ................................................................................................456.5 浮動裝置內(nèi)彈簧的選用及計算 ...........................................................................466.6 箱體設(shè)計計算 .......................................................................................................486.7 本章小結(jié) ...............................................................................................................48結(jié)論 ....................................................................................................................................49參考文獻 ...........................................................................................................................50致謝 ....................................................................................................................................52