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摘 要
客车底盘的总布置设计在客车设计中具有作用。Abstract
The layout design of a bus’ chassis plays an major role in the design of a bus. This dissertation makes a overall layout design of each main parts of the DD6119K bus’ chassis, as well as the selection and calculation of the related parameters . On the basic of this, the chassis of the overall layout design was finished. During this process, we made a choice of the form of the layout design. In this way, the number of shafts, the type of the drive, the power and arranged form of the engine were ensured. According to the arranged form of the bus and considering the comfort of a ride, and the demand of the basic function of the business bus, we made a selection and calculation of the parameters of the main size as well as the function. On the basic of this, we selected and decided the power train, shock absorber, steering gear and so on. At last, we made a layout of “DD6119K” bus’ chassis, referring to the project of the layout chassis of the same styes.
On the course of the design of the chassis, in order to make sure the comfort and the safety of the automobilism, we check the interference movement of the steering system. On the course that we use the graphical method, check the different case when the steering system turn left or right. The analysis results indicate that all the design of the steering system are matching with reason and practicableness.
Key words: Bus;Chassis;Layout;Bus Design;
目 录
第1章 绪论.………………………………………………………………………1
1.1 大型客车底盘概述………………………................……….....................1
1.1.1大型客车底盘的发展现状……………………………….………1
1.1.2 大型客车底盘设计过程…………………………………………2
1.2 本论文研究的内容………………………………….................................2
第2章 主要参数及各部件的确定………………………………………………4
2.1 底盘总体设计的特点和要求………………………….............................4
2.2 大型客车形式的选择……………………………….................................4
2.3 大型客车主要参数的选择……………………………….........................5
2.3.1 主要尺寸参数的确定……………………………………………5
2.3.2 主要质量参数的确定……………………………………………5
2.3.3 主要性能参数的确定……………………………………………7
2.4 发动机
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