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BJ1041型載貨汽車設計（變速器總成設計）

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更新時間：2016-06-17
發布人：海上生明月123

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BJ1041型載貨汽車設計（變速器總成設計）目錄
第一章前言 ······························································ 1
§1.1 手動變速器（MT） ··············································1
§1.2 自動變速器（AT） ··············································2
§1.3 自動/手動變速器（AMT） ·····································2
§1.4 無級變速器（CVT） ············································3
第二章變速器的結構分析與形式選擇 ······························ 4
§2.1 概述 ······························································ 4
§2.2 變速器的總體結構 ············································ 5
§2.3 變速器傳動機構布置方案分析 ······························ 6
§2.4 變速器零、部件的結構分析與型式選擇 · ··············· 12
第三章變速器主要參數的選擇 ····································· 17
§3.1 變速器的傳動比 ·············································· 17
§3.1.1 擋數 ······················································· 17
§3.1.2 輪胎半徑的選擇 ········································ 18
§3.1.3 主減速器傳動比 ········································ 18
§3.1.4 分配各擋傳動比 ········································ 19
§3.1.5 初定中心距 ·············································· 20
§3.1.6 變速器的外形尺寸 ····································· 21
§3.2 齒輪參數 ······················································· 21
§3.2.1 齒輪模數 ················································· 21
§3.2.2 壓力角及螺旋角 ········································ 22
§3.2.3 齒輪齒寬 ················································· 24
§3.2.4 齒頂高系數 ·············································· 25
§3.3 各擋齒輪齒數的分配 ········································ 26
§3.3.1 確定一擋齒輪的齒數 ·································· 26
§3.3.2 確定常嚙合傳動齒輪副的齒數 ······················ 26
§3.3.3 確定其他各擋的齒數 ·································· 27
§3.3.4 確定倒擋齒輪齒數 ····································· 27

第四章變速器齒輪的設計計算 · ··································· 29
§4.1 齒輪的損壞形式 ·············································· 29
§4.2 齒輪的材料選擇 ·············································· 29
§4.3 輪齒強度計算 ················································· 30
§4.3.1 輪齒彎曲強度計算 ····································· 30
§4.3.2 輪齒接觸應力計算 ····································· 35
第五章變速器軸的設計計算 ········································ 37
§5.1 初選軸的直徑 ················································· 37
§5.2 軸的強度驗算 ················································· 38
§5.2.1 軸的剛度驗算 ················································· 38
§5.2.2 軸的強度驗算 ··········································· 41
第六章變速器軸承壽命計算 ········································ 45
§6.1 變速器軸承 ···················································· 45
§6.2 第二軸上的軸承壽命計算 ····································· 46
第七章鍵的校核計算 ·················································· 49
§7.1 鍵的選擇 · ····················································· 49
§7.2 鍵的校核 ···························· ····························· 49
第八章同步器設計 ·· ················································· 50
§8.1 同步器主要零件材料的選擇 ······························· 50
§8.2 鎖環式同步器結構 ··········································· 51
§8.3 鎖環式同步器的工作原理 ·································· 51
§8.4 摩擦力矩的計算 · ············································ 52
§8.5 鎖環式同步器主要尺寸的確定 ···························· 52
§8.5.1 摩擦錐面上的螺紋槽 · ································ 52
§8.5.2 錐面半錐角 · ············································ 53
§8.5.3 摩擦錐面平均半徑 ····································· 53
§8.5.4 錐面工作長度 ··········································· 53
§8.5.5 鎖止角 ···················································· 54
第九章變速器操縱機構 ··············································· 55
§9.1 操縱方式 · ····················································· 55
§9.2 鎖止裝置 · ····················································· 56
第十章結論 ······························································ 60
參考文獻 · ································································· 61
致謝 ······································································· 62
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