汽车变速箱故障诊断分析毕业论文设计

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摘 要

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Abstract

II 目录

摘要 ................................................................................................................................. I Abstract ......................................................................................................................... II 1 绪论 ............................................................................................................................ 1

1.1 课题的来源 ...................................................................................................... 1 1.2 变速器简介 ....................................................................................................... 1 1.3 变速箱的分类 ..................................................................................................... 1 2 汽车手动变速器 ........................................................................................................ 3

2.1 手动变速器简介 ............................................................................................... 3 2.2 手动变速器常见故障诊断分析 ....................................................................... 3

2.2.1 变速器异响 ............................................................................................. 3 2.2.2 变速器跳档 ............................................................................................ 5 2.2.3 变速器乱档 ............................................................................................ 6 2.2.4 变速器挂档困难 ..................................................................................... 6 2.2.5 变速器漏油 ............................................................................................ 7

3 汽车自动变速器 ........................................................................................................ 8

3.1 自动变速器简介 ............................................................................................... 8 3.2 自动变速器常见故障诊断分析 ....................................................................... 8

3.3.1 汽车不能行驶 ......................................................................................... 8 3.3.2 自动变速器打滑 ..................................................................................... 9 3.3.3 换档冲击大 .......................................................................................... 11 3.3.4 升档过迟 .............................................................................................. 12 3.3.5 不能升档 .............................................................................................. 13 3.3.6 无超速档 .............................................................................................. 14 3.3.7 无前进档 .............................................................................................. 16 3.3.8 无倒档 .................................................................................................. 16

III 3.3.9 频繁跳档 .............................................................................................. 17 3.3.10 挂档后发动机怠速熄火 ..................................................................... 18 3.3.11 无发动机制动 ..................................................................................... 18 3.3.12 不能强制降档 ..................................................................................... 19

4 结论与展望 .............................................................................................................. 21

4.1 结论 ................................................................................................................ 21 4.2 存在的不足 ..................................................................................................... 21 4.3 变速器的发展趋势 ......................................................................................... 21 致谢 ............................................................................................................................... 24 参考文献 ........................................................................................................................ 25

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