【正文】 rive axle. However, due to the limitations of their own level, there are many inadequacies. I hope you correct! Key words: mediumsized trucks the rear axle differential axle housing 2021 屆畢業(yè)設(shè)計(jì)說(shuō)明書(shū) I 目錄 第一章 主減速器的設(shè)計(jì) .............................................................................................. 1 主減速器的結(jié)構(gòu)形式 ....................................................................................... 1 主減速器減速型式的選擇 ............................................................................... 1 主減速器齒輪型式的選擇 ............................................................................... 1 螺旋錐齒輪與雙曲面齒輪比較 ............................................................. 2 雙曲面齒輪傳動(dòng)比螺旋錐齒輪傳動(dòng)還具有如下優(yōu)點(diǎn) ......................... 3 主減速器主動(dòng)齒輪的支承型式選擇 ............................................................... 3 主減速器主動(dòng)齒輪的支承型式 ............................................................. 3 主減速器從動(dòng)齒輪支承的選擇 ....................................................................... 4 主減速器齒輪計(jì)算荷載的確定 ....................................................................... 5 主減速器齒輪基本參數(shù)的選擇 ....................................................................... 7 齒數(shù)的選擇 ............................................................................................. 7 節(jié)圓直徑的選擇 ..................................................................................... 8 齒輪端面模數(shù)的選擇 ............................................................................. 8 齒面寬的選擇 ......................................................................................... 9 雙曲面齒輪的偏移距 E 與偏移 方向的選擇 ........................................ 9 雙曲面齒輪螺旋方向的選擇 ............................................................... 10 螺旋角的選擇 ....................................................................................... 11 齒輪法向壓力角的選擇 ? ................................................................... 13 雙曲面齒輪的強(qiáng)度計(jì)算 ................................................................................. 15 單位齒長(zhǎng)上的圓周力 ........................................................................... 15 齒輪的彎曲強(qiáng)度計(jì)算 ........................................................................... 16 齒輪的接觸強(qiáng)度計(jì)算 ........................................................................... 18 主減速器齒輪的材料及熱處理 ..................................................................... 19 主減速器軸承的計(jì)算 ................................................................................... 20 第二章 差速器 ............................................................................................................ 26 差速器的結(jié)構(gòu)與選擇 ..................................................................................... 26 差速器齒輪基本參數(shù)選擇 ............................................................................. 27 行星齒輪數(shù)目的選擇 ........................................................................... 27 行星齒輪球半徑 RB的確定 ................................................................. 27 行星齒輪與半軸齒輪齒輪數(shù)的選擇 ................................................... 28 差速器錐形齒輪模數(shù)及半軸齒輪節(jié)圓直徑的初選 ........................... 28 壓力角 ? ............................................................................................... 29 行星齒輪的安裝直徑 ? 及其深度 L 的確定 ....................................... 29 2021 屆畢業(yè)設(shè)計(jì)說(shuō)明書(shū) II 差速器齒輪的彎曲應(yīng)力 ................................................................................. 30 第三章 驅(qū)動(dòng)橋車輪的傳動(dòng)裝置 ................................................................................ 31 半軸的型式 ..................................................................................................... 31 半浮式半軸 ........................................................................................... 31 3/4 浮式半軸 ......................................................................................... 31 全浮式半軸 ........................................................................................... 32 半軸的設(shè)計(jì)與計(jì)算 ........................................................................................ 35 載荷工況 ............................................................................................... 35 全浮式半軸的設(shè)計(jì)計(jì)算 ....................................................................... 35 主動(dòng)錐齒輪花鍵的校核 ....................................................................... 37 半軸結(jié)構(gòu)設(shè)計(jì)及材料 ........................................................................... 38 第四章 驅(qū)動(dòng)橋橋殼 .................................................................................................... 39 橋殼結(jié)構(gòu)的形式與選擇 ................................................................................ 39 可分式橋殼 ........................................................................................... 39 整體式橋殼 ........................................................................................... 39 組合式橋殼 ........................................................................................... 41 橋殼的強(qiáng)度計(jì)算 ............................................................................................. 41 橋殼的靜彎曲應(yīng)力計(jì)算 ....................................................................... 42 在不平的路面沖擊載荷作用下橋殼的強(qiáng)度計(jì)算 ............................... 43 汽車以最大牽引力行駛時(shí)橋殼的強(qiáng)度計(jì)算 ....................................... 43 汽車緊急制動(dòng)時(shí)橋殼的強(qiáng)度計(jì)算 ....................................................... 45 總結(jié) .............................................................................................................................. 48 致謝 .............................................................................................................................. 49 參考文獻(xiàn) ...................................................................................................................... 50 附錄 .............................................................................................................................. 51 2021 屆畢業(yè)設(shè)計(jì)說(shuō)明書(shū) 1 第一章 主減速器的設(shè)計(jì) 主減速器的功用是將輸入的轉(zhuǎn)矩增大并相應(yīng)