Traditional Culture Encyclopedia - Traditional stories - What is the structure of the reducer?

What is the structure of the reducer?

The reducer is mainly composed of transmission parts (gears or worms), shafts, bearings, boxes and their accessories. Details are as follows:

1, the picture shows the layout of a traditional 4×2 car. The engine is longitudinally installed in the front of the car and driven by the rear axle. The power of the engine is transmitted to the drive axle through the clutch, gearbox and general gearbox. In the driving axle, the power is transmitted to the driving wheel through the main reducer, differential and half shaft. ?

2. The engine is vertical in front and driven by the front axle, so that the transmission and the main reducer are connected together, and the universal transmission device between them is omitted. ?