同济大学：《汽车构造》课程电子教案（课件讲稿）Chapter 17 传动装置 Universal Gearing

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY Chapter 17 Universal Gearing

Chapter 17 Universal Gearing Chapter 17 Universal Gearing

Chapter 17 Universal Gearing 窗月桥大学 TONGII UNIVERSITY Main Contents >The components and function of universal gearing >The classification and structure of universal joints >The kinematic characteristics ofuniversal joints >The characteristics and applications of some typical universal joints >Drive shafts and center support bearings

Chapter 17 Universal Gearing The components and function of universal gearing The classification and structure of universal joints The kinematic characteristics of universal joints The characteristics and applications of some typical universal joints Drive shafts and center support bearings Main Contents

Chapter 17 Universal Gearing 窗月桥大学 TONGII UNIVERSTTY Section 1 Overview 传动轴 万向节 传动轴和万向节

Chapter 17 Universal Gearing Section 1 Overview

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY the components of universal gearing >Components:universal joints and drive shaft,a center support bearing is used when the drive shaft is too long. Universal joints 4 Drive shaft

Chapter 17 Universal Gearing the components of universal gearing Universal joints Drive shaft Components： universal joints and drive shaft，a center support bearing is used when the drive shaft is too long

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY the function of universal gearing >Function:to transmit power between the shafts with variable angles and positions. play stop 万向传动装置的工作原理及功用

Chapter 17 Universal Gearing the function of universal gearing Function：to transmit power between the shafts with variable angles and positions

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY The application of universal gearing on vehicles 差速器 传动轴 万向节 分动器 万向节 传动轴和万向节在汽车上的位置示意图

Chapter 17 Universal Gearing The application of universal gearing on vehicles

Chapter 17 Universal Gearing 同停大学 Between the transmission and driving axle >The output shaft of transmission and the input shaft of driving axle are hard to be arranged in line 后悬架 The relative location of the 变速器 万向传动装置 two shafts is always changed by 驱动桥 the vibration of the engine and the rough road 驱动桥 万向传动装置 >To eliminate the adverse 中间支撑 变速器 effects of the relative movement of transmission and driving axle 变速器与驱动桥之间的万向传动装置 > The drive line has two drive shafts and a center support bearing serves as a connecting link when there is a great distance between transmission and driving axle,in order to avoid resonance,increase the critical speed of the drive shaft and reliability

Chapter 17 Universal Gearing Between the transmission and driving axle  The drive line has two drive shafts and a center support bearing serves as a connecting link when there is a great distance between transmission and driving axle , in order to avoid resonance, increase the critical speed of the drive shaft and reliability The output shaft of transmission and the input shaft of driving axle are hard to be arranged in line ；  The relative location of the two shafts is always changed by the vibration of the engine and the rough road  To eliminate the adverse effects of the relative movement of transmission and driving axle

Chapter 17 Universal Gearing 日海大学 Between the transmission and transfer case or between the transfer case and driving axle >When the transmission and 后驱动桥 transfer case are mounted 分动器 separately,the universal 变速器 gearing is used to eliminate the installation errors, 中驱动桥 manufacturing errors and the deformation of car frame 分动器 >Multi-axle vehicles with 前驱动桥 tandem driveline use universal gearing to connect the middle driving axle and rear driving axle >On multi-axle vehicles with parallel driveline,the rear drive shaft is equipped with a center support bearing

Chapter 17 Universal Gearing Between the transmission and transfer case or between the transfer case and driving axle On multi-axle vehicles with parallel driveline, the rear drive shaft is equipped with a center support bearing When the transmission and transfer case are mounted separately, the universal gearing is used to eliminate the installation errors, manufacturing errors and the deformation of car frame Multi-axle vehicles with tandem driveline use universal gearing to connect the middle driving axle and rear driving axle

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY Between driving axle and driving wheel >In order to permit the wheel- >On vehicles with independent steering and constant transmission suspension,universal joints are of power,universal joints are mounted close to final drive,to mounted in the steering drive axle, allow the two half-axles to move beside the wheels up and down 驱动桥 驱动桥 转向驱动轮 驱动轮 万向节 万向传动装置

Chapter 17 Universal Gearing Between driving axle and driving wheel In order to permit the wheel￾steering and constant transmission of power, universal joints are mounted in the steering drive axle, beside the wheels On vehicles with independent suspension, universal joints are mounted close to final drive, to allow the two half-axles to move up and down

Chapter 17 Universal Gearing 同©大学 TONGII UNIVERSTTY In the power supplying device and steering system

Chapter 17 Universal Gearing In the power supplying device and steering system