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在一般的汽车结构中,驱动桥包括主传动器、差速器、半轴和桥壳等部件。主传动器的作用是增大扭矩和改变传递扭矩的方向;差速器是使驱动车轮在转弯或不平道路上行驶时以不同的角速度旋转;半轴是使扭矩从差速器传递到车轮;驱动桥壳(指整体式桥)是将汽车的重量传给车轮,并将作用车轮上的各种力传到悬架及车架,同时驱动桥壳又是主传动器、差速器和半轴的外壳。因此驱动桥的设计其主要任务在于:正确的确定上述部件的结构型式、组成一个整体。驱动桥的结构型式,主要特点应用范围见表51。
In a typical automotive architecture, the transaxle consists of the main drive, differential, axle, and axle housing. The role of the main actuator is to increase the torque and change the direction of the transmission torque; the differential is to make the driving wheel turning or uneven road at different angular speed rotation; axle is the torque from the differential to the wheel; Drive axle housing (refers to the integral bridge) is the weight of the car passed to the wheels, and the role of the wheels of the various forces transmitted to the suspension and frame, while driving the axle housing is the main drive, differential and half Shaft shell. Therefore, the design of the drive axle its main task is: the right to determine the structure of the above components, form a whole. Drive axle structure, the main features of the scope of application in Table 51.