Chapter 21 Axle and Wheel 同©大学 TONGII UNIVERSTTY Steering drive axle >Kingpin is divided to two parts:the upper one and the lower one,they are both fixed to the spherical bearing which is connected with axle shaft tube. >Front wheel hub is supported on the steering knuckle journal through hub bearing,when the car turn an angle,steering knuckle rotates around kingpin,so that the front wheels fixed with steering knuckle will rotate as well. 转向节壳体 主销 内半轴 轮毂 球形支座 此 F 半轴套管 外半轴 万向节 差速器 主减速器 主减速器壳 车轮 转向驱动桥示意图
Chapter 21 Axle and Wheel Front wheel hub is supported on the steering knuckle journal through hub bearing, when the car turn an angle, steering knuckle rotates around kingpin, so that the front wheels fixed with steering knuckle will rotate as well . Kingpin is divided to two parts: the upper one and the lower one, they are both fixed to the spherical bearing which is connected with axle shaft tube. Steering drive axle
Chapter 21 Axle and Wheel 窗月桥大学 TONGII UNIVERSTTY Steering drive axle >Steering knuckle shell is supported on the steering knuckle bearing through upper and lower kingpin,two needle bearings,spherical bowl and steel ball. 驱动桥主减速 轮毂 半轴套管 器和差速器 调整螺母 青铜衬套 转向节臂 锁止垫圈| 锁止螺母 外半轴 内半轴 转向节 转向节轴颈 三销轴式 支座 主销 等速万向节 钢球 转向节外壳 东风EQ2080E型汽车转向驱动桥
Chapter 21 Axle and Wheel Steering knuckle shell is supported on the steering knuckle bearing through upper and lower kingpin, two needle bearings, spherical bowl and steel ball. Steering drive axle
Chapter 21 Axle and Wheel 同©大学 TONGII UNIVERSTTY Steering drive axle Dead axle's power transmission line are:final drive-differential-left and right half shaft-constant velocity joint-half shaft flange-hub. >Live axle's power transmission line final 发动机悬置 drive-differential-left 外等速万向节 内等速万向节 and right half shaft- constant velocity joint- left and right half 悬架摆国 shaft-constant 传动轴 velocity joint-half shaft flange-hub. 副车架 横向稳定杆 上海桑塔纳轿车前桥（转向驱动桥）
Chapter 21 Axle and Wheel Live axle’s power transmission line :final drive—differential—left and right half shaft— constant velocity joint— left and right half shaft —constant velocity joint—half shaft flange—hub. Dead axle’s power transmission line are: final drive—differential—left and right half shaft—constant velocity joint—half shaft flange—hub. Steering drive axle
Chapter 21 Axle and Wheel 同©大学 TONGII UNIVERSTTY Steering drive axle >Fixed type rzeppa universal joint is arranged near the wheel,while bellows rzeppa universal joint is arranged near the dive axle. 伸缩型球笼式万向节(L节) 固定型球笼式万向节(RF节) 防尘罩 传动轴 防尘罩 外侧 内侧 RF节与VL节在转向驱动桥中的布置 question >Why?
Chapter 21 Axle and Wheel Fixed type rzeppa universal joint is arranged near the wheel, while bellows rzeppa universal joint is arranged near the dive axle. question Why？ Steering drive axle
Chapter 21 Axle and Wheel 同©大学 TONGII UNIVERSTTY Support axle >The axle which can not realize steering or drive function is called support axle,FF.car's rear axle is a typical type of support axle. 缓冲限位块 弹簧 >Component:rear welded 制动器 axle assembly that made up by 橡胶护罩 several parts,rubber mental bearing seat,rear wheel 减振器 assembly. Function it is the unit that 后桥焊接总成 supports and fixes suspension system,braking system and car body,it 手制动拉索 transmits longitudinal and lateral force so that wheels 橡胶-金属支承座 桑塔纳轿车后桥与后悬架 could rotate
Chapter 21 Axle and Wheel The axle which can not realize steering or drive function is called support axle , FF. car’s rear axle is a typical type of support axle. Support axle Function : it is the unit that supports and fixes suspension system, braking system and car body, it transmits longitudinal and lateral force so that wheels could rotate. Component: rear welded axle assembly that made up by several parts, rubber mental bearing seat, rear wheel assembly