1. 研究目的与意义（文献综述）

1.purpose and significance

the automobile drive axle is an important component of the automobile transmission system. it carries the full load of the car and the vertical force, longitudinal force, lateral force and its moment given by the wheel, frame, and the load-bearing body suspension, as well as the impact load. the drive axle also transmits the maximum torque in the drive train, and the axle housing also experiences a reaction torque. in addition to the important influence on the reliability and durability of automobiles, the structure and design parameters of automobile drive axles also have direct effects on the driving performance of automobiles such as dynamics, economy, smoothness, passability, mobility and handling stability.

through the design and research of the jinqiao sy1033 truck axle design, to deepen the understanding of automotive design theory, automotive technology development direction and automobile structure, and lay a solid foundation for entering the society to work in automotive technology. according to the design theory, the basic parameters are designed and the design tasks are completed based on the automobile structure, automobile theory and automobile design.

2. 研究的基本内容与方案

1. t1.the basic content

(1) study the current status and development history of domestic and foreign automobile drive axles and understand the significance of this research.

(2) selection of the structure of drive axle, final drive, differential, axle and drive axle housing.

3. 研究计划与安排

research schedule

weeks 1 to 2: determine graduation design topics, graduation design assignments (related parameters), and school data collection;

week 3: project idea, literature search, completion of the opening report;

4. 参考文献（12篇以上）

main reference

1.刘惟信. 汽车车桥设计.清华大学出版社，2004.

2.王丰元. 周群辉, 杨朝会, 王爱兵. 汽车驱动桥虚拟设计系统研究[j]. 机械设计与制造 , 2009.