1、 摘摘 要要 本设计是根据汽油机发动机传动系统设计任务书的要求设计的，对任务书 中的问题基本能够在本设计中得到解决，本设计包括：一次减速机构设计、离 合器及其操纵机构的设计、变速器的设计、变档操纵机构的设计。对于设计中 各零部件的工作环境和受力情况都有所考虑， 进而在设计中尽量对其进行优化。 本设计针对二冲程汽油机传动部分，属于摩托车结构设计中传动系统的设 计，主要包括离合器、一次减速机构、变速机构及操纵机构的传动原理和结构 设计形式的选取，对传动系统中的齿轮、轴、轴承等的设计计算和零件校核计 算。对零件传动过程中需要达到各种要求（润滑、降噪、防护等）也有系统的 说明。 关键词：关键词：传动系
2、统传动系统 离合器离合器 变速器变速器 操纵机构操纵机构 Abstrct The design is based on the request of the task list of the gasoline engine driven system. It can resolve the most problem that written at the task list. It concludes the design of the single reduction gear,clutch,steering mechanism,speed-changing mechanism and ge
3、arbox operating mechanism. The working circumstance and the situation of situation of stress are considered,so it was optimized as possible. The design aims at the two-stroke gasoline engine driven system of motorcycle, It belongs to the driven system design in the structural design of motorcycle. I
4、t mainly contains the principle and the form selection of structural design about clutch, single reduction gear and second driven system, the design calculation and correction calculation about gear, shaft and bearing etc. It was accounted for various require (lubricant application device, reducing yawp and defence) that should obtain in the movement process of part. Keywords：Transmission System Clutch Transmission Manipulation of body 目目 录录 第一章第一章 绪论绪论 1 1 1.1 本课题产生的历史背景及其发
