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2024年5月22日发(作者:)

附 录A 英文文献

Drive axle/differential

All vehicles have some type of drive axle/differential assembly incorporated into

the driveline. Whether it is front, rear or four wheel drive, differentials are necessary for

the smooth application of engine power to the road.

Powerflow

The drive axle must transmit power through a 90° angle. The flow of power in

conventional front engine/rear wheel drive vehicles moves from the engine to the drive

axle in approximately a straight line. However, at the drive axle, the power must be

turned at right angles (from the line of the driveshaft) and directed to the drive wheels.

This is accomplished by a pinion drive gear, which turns a circular ring gear. The

ring gear is attached to a differential housing, containing a set of smaller gears that are

splined to the inner end of each axle shaft. As the housing is rotated, the internal

differential gears turn the axle shafts, which are also attached to the drive wheels.

Fig 1 Drive axle

Rear-wheel drive

Rear-wheel-drive vehicles are mostly trucks, very large sedans and many sports car

and coupe models. The typical rear wheel drive vehicle uses a front mounted engine

and transmission assemblies with a driveshaft coupling the transmission to the rear

drive axle. Drive in through the layout of the bridge, the bridge drive shaft arranged

vertically in the same vertical plane, and not the drive axle shaft, respectively, in their

own sub-actuator with a direct connection, but the actuator is located at the front or

the back of the adjacent shaft

of the two bridges is arranged in series. Vehicle before and after the two ends of

the driving force of the drive axle, is the sub-actuator and the transmission through the

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