1, integral drive axle. The whole bridge of the integral drive axle is connected with the frame through the elastic suspension. The axle housing is a rigid integral structure, and there is no relative movement between the two axle shafts and the driving wheel in the transverse plane. Most trucks use integral drive axles.
2. Disconnected drive shaft. In order to improve the ride comfort or passability of some cars or off-road vehicles, all or part of their driving wheels adopt independent suspension, that is, the driving wheels on both sides are connected to the frame with elastic suspension respectively, and the two driving wheels can jump up and down independently relative to the frame or body. The main reducer is fixed on the frame or car body, the drive axle housing is made in sections, connected by hinges, and the half shaft is made in sections and connected by universal joints.
The drive axle is a mechanism located at the end of the transmission system, which can change the speed and torque from the transmission and transmit them to the driving wheels. Drive axle is generally composed of main reducer, differential, wheel transmission device and drive axle housing. The steering drive axle also has a constant velocity joint. In addition, the drive axle also bears vertical force, longitudinal force and lateral force, as well as braking torque and reaction force acting between the road surface and the frame or body.