手动机械式分动器设计..doc

手动机械式分动器设计 摘要 本设计主要根据汽车的相关技术参数进行分动器的设计。根据匹配车型的使用条件和车辆参数选择分动器的结构形式，并按照分动器系统的设计步骤和要求，具体进行了分动器轴、齿轮等零部件的相关设计工作和校核工作，最后绘制了二维图纸。The design is based mainly on the Off-road vehicle related parameters at the design of the manual mechanical actuator. In accordance with the conditions of vehicles and vehicle parameters, in accordance with the actuator sub-system design steps and requirements, mainly related to design work, including the center distance of actuators, bevel gear and other parameters. And actuators, gears and other parts of the design and verification of the relevant work. Keywords: Actuator; Manual Mechanical; Design 目录 摘要 Abstract 绪论……………………………………………………………………………………………….1 1.1 分动器简介…………………………………………………………………………………….1 1.2 分动器构造及原理………………………………………………………………………….2 1.3 分动器类型…………………………………………………………………………………….3 1.4 分动器的功用和设计要求……………………………………………………………….4 2 分动器结构方案的选择…………………………………………………………………..5 2.1 传动方案………………………………………………………………………………………..5 齿轮的安排…………………………………………………………………………………….6 换挡结构形式…………………………………………………………………………………6 3 分动器主要参数的选择…………………………………………………………………..8 3.1 传动比分配…………………………………………………………………………………….8 3.2 中心距A………………………………………………………………………………………….8 4 分动器齿轮参数的确定…………………………………………………………………..9 4.1 模数……………………………………………………………………………………………….9 4.2 压力角α………………………………………………………………………………………..9 4.3 螺旋角β………………………………………………………………………………………..9 4.4 齿宽…………………………………………………………………………………………….10 4.5 各档齿轮齿数的分配…………………………………………………………………….10 5 分动器结构元件……………………………………………………………………………14 5.1 齿轮…………………………………………………………………………………………….14 5.2 轴及相关零件……………………………………………………………………………….14 6 啮合套传动副的设计计算……………………………………………………………..19 7 零件的校核…………………………………………………………………………………..20 7.1 齿轮的校核…………………………………………………………………………………..21 7.2 轴的校核………………………………………………………………………………………23 8 总结…………………………………………………………………………………………….24 参考文献…………………………………………………………………………………………….25 致谢…………………………………………………………………………………………………….26 附录…………………………………………………………………………………………………….27  1 绪论 越野车