汽车自动变速器的检测毕业论文

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1、 共 22 页 第 1 页 装 订 线 自动变速器的检测与维修自动变速器的检测与维修 摘要摘要 随着科学技术的进步，汽车已经成为当今世界的主流，汽车的发明给人类带 来极大的方便，汽车的操纵性、舒适性也一直在逐渐提高，而手动变速器已经逐渐被 自动变速器所取代。自动变速器能进行反复的加速、减速、变速换档等功能，具有变 速平滑、驾驶轻便等优点。但是与传统的手动变速器相比，也存在结构复杂、检测、 诊断和维修难等问题。 本文首先论述了自动变速器的发展情况，然后对自动变速器组成、结构、特点、 工作原理进行研究。其次对自动变速器常见故障进行检测诊断研究，主要有汽车不能 行驶、自动变速器打滑、自动变速器异响。

2、描述故障具体现象和可能的故障原因，进 行详细的故障机理分析，并将自动变速器动态性能试验运用其中，有失速试验和时滞 试验，对故障进行检测诊断，准确确定故障部位。进而对故障进行排除，并画出故障 诊断流程图。 最后通过现场收集实际案例进行分析， 证明故障检测诊断分析的正确性。 关键词关键词：自动变速器；结构组成；常见故障；检测与维修 Abstract With the scientific and technological progress, cars have become the mainstream of the world, the invention of cars brings man

3、kind great convenience, the handling and comfort has also been gradually improving, and the manual transmission has been gradually replaced by automatic transmission. Automatic transmission can be repeated for the acceleration, deceleration, speed transmission, and other functions, the speed with sm

4、ooth, light and other advantages of driving. But companed with the traditional manual transmission, there are issues such as complex structures, detection, diagnosis and difficult maintenance,so this study is on common-vehicle automatic transmission failure 。 This paper discusses the development of the automatic transmission, automatic transmission and the composition, structure, character, principle research. Th