Steering axle refers to the vehicle axle that undertakes the steering task. The front axle of a typical car is the steering axle. The front and rear axles of a four-wheel steering car are all steering axles. It uses the steering knuckles in the axle to deflect the wheels at both ends by a certain angle, in order to achieve the steering of the car. At the same time, it also bears the vertical load, lateral force, braking force, etc. of the car.
For front wheel drive vehicles and all wheel drive vehicles, the front axle needs to both turn and transmit power, so it is called a steering drive axle.
Common rear wheel drive cars do not transmit power to the front axle, but they have to undertake steering tasks. It is both a steering axle and a driven axle. This type of steering axle, which uses non independent suspension, is a solid axle; For those using independent suspension, the axle is disconnected.
Integrated steering bridges typically use I-beams with I-sections or tubular beams with tubular sections. Bend downwards in the middle to match the layout of the engine and lower the center of mass of the car. Both ends are equipped with main pins and steering knuckles. Adopting steel plate spring suspension. The steering axle of trucks mostly adopts this structure.
A detachable steering axle is usually connected to the frame or non load bearing body using an independent suspension, with main pins and steering knuckles installed at both ends. The steering axle of micro cars mostly adopts this structure.