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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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