Abstract
The rapid development of the domestic vehicle market, n.medium bus is an important tendency of vehicle. However, with increasing of vehicle, security issues are arising from increasingly attracting attention, the braking system is one of important systems of active safety. Therefore, how to design a high-performance braking system, to provide protection for safe driving is the main problem we must solve. In addition, with increasing competition of vehicle market, how to shorten the product development cycle, to improve design efficiency and to lower costs, to improve the market competitiveness of products, and has become a key to success of enterprises.
Based on the structural analysis and the design requirements of
national and professional standards.
Through analyzing the main parameters of the entire vehicle, the braking system design starts from determination of the structure scheme. Calculating and determining the main dimension and structural type of the front disc、drum brake，brake master cylinder，and therefore draw the engineering drawings of the front and rear brakes, Brake valve, the diagram of the brake pipelines. Furthermore, each target of the n.medium busbraking system, a braking system design is performed in this thesis, according to 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：n.medium bus；disc brake； drum brake；pressure system
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