The three major parts of a car are the engine, chassis, and gearbox
Only with these three major parts can the vehicle drive. Without any one of them, the vehicle cannot drive.
The following is a detailed introduction to the three major parts of the car:
1. The engine is known as the heart of the car, and the engine is the power source of the car. Most automobile engines are thermal energy power devices, referred to as heat engines. Thermal engine converts the thermal energy generated by fuel combustion into mechanical energy by means of the state change of the working fluid. Determines the power, economy and environmental protection of the car. According to different power sources, automobile engines can be divided into diesel engines, gasoline engines, electric vehicle motors and hybrids.
2. The car's gearbox is divided into two types: manual and automatic. The manual gearbox is mainly composed of gears and shafts, and different gear combinations produce speed and torque; while the automatic gearbox AT is composed of It is composed of hydraulic torque converter, planetary gear, hydraulic pitch change system and hydraulic control system. Variable speed and torque are achieved through hydraulic transmission and gear combination. The main function of the gearbox is to change the transmission ratio, enable the car to drive backwards while the engine rotation direction remains unchanged, use neutral gear, interrupt power transmission, so that the engine can start and idle, and facilitate the transmission shifting or power output.
3. The automobile chassis is composed of four parts: transmission system, driving system, steering system and braking system. The function of the chassis is to support and install the car engine and its components and assemblies, shape the overall shape of the car, and receive the power of the engine to make the car move and ensure the normal driving of the car.