1, engine.
Engine, also known as engine, is a machine that can convert one form of energy into another more useful energy, usually converting chemical energy into mechanical energy (called motor, which converts electrical energy into machine energy). Sometimes it is suitable for both power generation devices and complete machines including power devices.
2. Steering gear.
Steering gear, commonly known as steering gear, is the most important part used for steering function of automobile and an important guarantee for driving safety of automobile.
3. transmission.
Transmission is a mechanical device used to change the engine speed and torque. It can change the transmission ratio of the output shaft and the input shaft by fixing or stepping, which is also called gearbox.
4. Front and rear axles.
Front axle and rear axle refer to front axle and rear axle. The front axle includes damping spring, steering gear, balance shaft, etc. The rear axle also includes a transmission shaft and a transmission gear. The rear of multi-axle truck is also divided into driven rear axle and non-driven rear axle. The non-driven rear axle is not part of the driving wheel, and there is no transmission shaft connection. Generally, it is only applicable to heavy trucks and tractor heads with more than three axles.
5. Framework.
Frames are also called girders. The matrix of an automobile is generally composed of two longitudinal beams and several cross beams, which are supported on the wheels through suspension devices, front axles and rear axles. It has enough strength and rigidity to bear the load of the car and the impact from the wheels.