【正文】 等 工作。 Single reduction final drive。 第 1 章 緒論 .......................................................................................................................1 選題的背景 目的及意義 .........................................................................................1 國內外驅動橋研究狀況 .........................................................................................1 設計主要內容 .........................................................................................................3 第 2 章 驅動橋的總體方案確定 ..................................................................................4 驅動橋的種類結構和設計要求 ..............................................................................4 汽車車橋的種類 ...........................................................................................4 驅動橋的種類 ...............................................................................................4 驅動橋結構組成 ...........................................................................................4 驅動橋設計要求 ..........................................................................................5 設計車型主要參數(shù) .......................................................................................5 主減速器結構方案 的確定 ......................................................................................6 主減速比的計算 ..........................................................................................6 主減速器的齒輪類型 ..................................................................................7 主減速器的減速形式 ..................................................................................8 主減速器主從動錐齒輪的支承形式 及安裝方法 ......................................9 差速器結構方案的確定 ....................................................................................... 11 半軸的形式確定 .................................................................................................... 11 橋殼形式的確定 ...................................................................................................12 本章小結 ................................................................................................................13 第 3 章 主減速器設計 ...................................................................................................14 概述 ........................................................................................................................14 主減速器齒輪參數(shù)的選擇與強度計算 ................................................................14 主減速器計算載荷的確定 ........................................................................14 主減速器齒輪參數(shù)的選擇 ........................................................................15 主減速器齒輪強度計算 ............................................................................18 ii 主減速器軸承計算 ....................................................................................24 主減速器齒輪材料及熱處理 .................................................................................30 主減速器的潤滑 .....................................................................................................31 本章小結 ................................................................................................................31 第 4 章 差速器設計 .......................................................................................................32 概述 .........................................................................................................................32 對稱式圓錐行星齒輪差速器原理 .........................................................................32 對稱式圓錐行星齒輪差速器的結構 ....................................................................33 對稱圓錐行星錐齒輪差速器的設計 .....................................................................34 差速器齒輪的基本參數(shù)選擇 ....................................................................34 差速器齒輪的幾何尺寸計算 ....................................................................36 差速器齒輪的 強度 計算 ............................................................................37 差速器齒輪的材料 ....................................................................................39 本章小結 ................................................................................................................39 第 5 章 半軸 及驅動橋橋殼的 設計 ...........................................................................40 概述 .........................................................................................................................40 半軸的設計與計算 .................................................................................................40 全浮式半軸的計算載荷的確定 .................................................................40 半軸桿部直 徑的初選 .................................................................................42 全浮式半軸強度計算 ................................................................................42 全浮式半軸花鍵強度計算 ........................................................................43 半軸材料與熱處理 ....................................................................................44 橋殼的受力分析及強度計算 ................................................................................44 橋殼的靜彎曲應力計算 .............................................................................45 在不平路面沖擊載荷作用下橋殼的強度 .................................................46 汽車以最大牽引力行駛時的橋殼的強度計 算 ........................................46 汽車緊急制動時的橋殼強度計算 .............................................................48 汽車受最大側向力時橋殼強度計算 .........................................................48 本章小結 ................................................................................................................51 結論 ......................................................................................................................................52 參考文獻 ............................................................................................................................53 致謝 ...................