轻型货车制动系统设计毕业设计

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1、 I 摘 要 制动系统是汽车中最重要的系统之一。因为随着高速公路的不断发展，汽车 的车速将越来越高， 对制动系的工作可靠性要求日益提高,制动系工作可靠的汽车 能保证行驶的安全性。由此可见，本次制动系统设计具有实际意义。 本次设计主要是对轻型货车制动系统结构进行分析的基础上，根据对轻型货 车制动系统的要求，设计出合理的符合国家标准和行业标准的制动系统。 首先制动系统设计是根据整车主要参数和相关车型，制定出制动系统的结构 方案，其次设计计算确定前、后鼓式制动器、制动主缸的主要尺寸和结构形式等。 最后利用计算机辅助设计绘制出了前、后制动器装配图、制动主缸装配图、制动 管路布置图。最终对设计出的制动系

2、统的各项指标进行评价分析。另外在设计的 同时考虑了其结构简单、工作可靠、成本低等因素。结果表明设计出的制动系统 是合理的、符合国家标准的。 关键词：轻型货车；制动；鼓式制动器；制动主缸；液压系统. II Abstract Braking system is one of the most important system in the automotive . because of the continuous development with the highway. The car will become more and more high-speed, braking system o

3、n the work of the increasing reliability requirements,Brake work of a reliable car,guarantee the safety of travelling,This shows that, The braking system design of practical significance. The braking system is one of important system of active safety. Based on the structural analysis and the design

4、requirements of intermediate cars braking system, a braking system design is performed in this thesis, according to the national and professional standards. First through analyzing the main parameters of the entire vehicle, the braking system design starts from determination of the structure scheme.

5、 SecondlyCalculating and determining the main dimension and structural type of the front、rear drum brake， brake master cylinder ans so on，Finally use of computer-aided design drawing draw the engineering drawings of the front and rear brakes, the master brake cylinder, the diagram of the brake pipel

6、ines. Furthermore, each target of the designed system is analyzed for checking whether it meets the requirements. some factors are considered in this thesis, such as simple structure, low costs, and environmental protection, etc. The result shows that the design is reasonable and accurate, comparing with the related national standards. Key words：light truck；brake；drum brake；master cylinder；hydraulic pressure system III 目 录 第 1 章 绪 论. 1 1.1 本次制动系统设计的意义 2 1.2 本次制动系统应达到的目标 2 1.3 本次制动系统设计内容 2 1.4