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黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) 目 錄 摘要 .............................................................................................................................Ⅰ ABSTRACT.................................................................................................................Ⅱ 第 1 章 緒論 ..............................................................................................................1 1.1 本課題的來(lái)源、基本前提條件和技術(shù)要求 ....................................................1 1.2 本課題要解決的主要問(wèn)題和設(shè)計(jì)總體思路 ....................................................1 1.3 預(yù)期的成果 ........................................................................................................2 1.4 國(guó)內(nèi)外發(fā)展?fàn)顩r ................................................................................................2 第 2 章 總體方案論證 ............................................................................................3 2.1 非斷開(kāi)式驅(qū)動(dòng)橋 ...............................................................................................3 2.2 斷開(kāi)式驅(qū)動(dòng)橋 ..................................................................................................4 2.3 多橋驅(qū)動(dòng)布置 ..................................................................................................4 2.4 本章小結(jié) ..........................................................................................................5 第 3 章 主減速器設(shè)計(jì) ............................................................................................7 3.1 主減速器結(jié)構(gòu)方案分析 ....................................................................................7 3.1.1 螺旋錐齒輪傳動(dòng) ........................................................................................7 3.1.2 結(jié)構(gòu)形式 ....................................................................................................8 3.2 主減速器主、從動(dòng)錐齒輪的支承方案 ............................................................8 3.2.1 主動(dòng)錐齒輪的支撐 ....................................................................................9 3.2.2 從動(dòng)錐齒輪的支撐 ....................................................................................9 3.3 主減速器錐齒輪設(shè)計(jì) ......................................................................................10 3.3.1 主減速比的確定 ......................................................................................10 3.3.2 主減速器錐齒輪的主要參數(shù)選擇 ..........................................................11 3.4 主減速器錐齒輪的材料 ..................................................................................13 3.5 主減速器錐齒輪的強(qiáng)度計(jì)算 ..........................................................................14 3.5.1 單位齒長(zhǎng)圓周力 .......................................................................................14 黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) 3.5.2 齒輪彎曲強(qiáng)度 ...........................................................................................14 3.5.3 齒輪接觸強(qiáng)度 ...........................................................................................15 3.6 主減速器錐齒輪軸承的設(shè)計(jì)計(jì)算 ...................................................................15 3.6.1 錐齒輪齒面上的作用力 ...........................................................................15 3.6.2 錐齒軸承的載荷 .......................................................................................17 3.6.3 錐齒輪軸承型號(hào)的確定 ...........................................................................19 3.7 本章小結(jié) ...........................................................................................................20 第 4 章 差速器設(shè)計(jì) ..............................................................................................21 4.1 差速器結(jié)構(gòu)形式選擇 .......................................................................................21 4.2 普通錐齒輪式差速器齒輪設(shè)計(jì) .......................................................................22 4.3 差速器齒輪的材料 ...........................................................................................24 4.4 普通錐齒輪式差速器齒輪強(qiáng)度計(jì)算 ...............................................................24 4.5 本章小結(jié) ...........................................................................................................25 第 5 章 半軸設(shè)計(jì) ...................................................................................................26 5.1 半軸的形式 .......................................................................................................26 5.2 半軸的設(shè)計(jì)與計(jì)算 ...........................................................................................27 5.2.1 全浮式半軸的設(shè)計(jì)與計(jì)算 .......................................................................27 5.3 半軸的結(jié)構(gòu)設(shè)計(jì)及材料與熱處理 ...................................................................29 5.4 本章小結(jié) ...........................................................................................................30 第 6 章 驅(qū)動(dòng)橋殼設(shè)計(jì) ..........................................................................................31 6.1 橋殼的結(jié)構(gòu)形式 ...............................................................................................31 6.2 橋殼的受力分析及強(qiáng)度計(jì)算 ...........................................................................31 6.3 本章小結(jié) ...........................................................................................................32 結(jié)論 .............................................................................................................................33 參 考 文 獻(xiàn) ............................................................................................................34 致謝 .............................................................................................................................36