The working principle of the truck transmission system mainly includes the following steps and components:
Engine output power: The power generated by the engine is first transmitted through the clutch. The clutch is located between the engine and the gearbox. Its function is to smoothly engage the engine with the transmission system and transmit the engine power to the transmission system, or to separate it and cut off the power transmission.
Transmission shifting: The power output by the clutch enters the transmission, and the transmission adapts to different driving conditions such as starting, accelerating, and driving by changing the transmission ratio. The transmission can achieve the functions of speed change, torque change, and direction change.
Universal transmission device: The output shaft of the transmission and the input shaft of the drive axle are not on the same plane, so a universal transmission device (including universal joints and drive shafts) is required to connect the transmission and the drive axle to ensure reliable power transmission at different angles and distances.
Main reducer and differential: The power output by the universal transmission device is transmitted to the main reducer, which reduces the speed, increases the torque, and then transmits the power to the differential. The differential distributes the power to the left and right half shafts to ensure that the car can go straight and turn.
Half-axle power transmission: Finally, the half-axle transmits power from the differential to the drive wheels, allowing the vehicle to move.
Specific components of the transmission system and their functions include:
Clutch: Smoothly engages the engine and the transmission system, cutting off or connecting power transmission.
Transmission: Realizes speed change, torque change, and direction change.
Universal transmission device: Includes universal joints and drive shafts to ensure reliable power transmission at different angles and distances.
Main reducer: Reduces speed and increases torque.
Differential: Distributes power to the left and right half-axles to ensure the flexibility of the vehicle when turning.
Half-axle: Transmits power to the drive wheels.