【正文】 imary. The design seeks to meet the case, the axle structure is simplified. Try to reduce costs and improve the stability of the drive 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 . . 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 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 .....................................................................................................................