驱动桥相关介绍外文文献翻译、中英文翻译

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Driver introductions Bridge

1. Features:

Drive Bridge at the end of powertrain, and the basic function of which is to increase

came from the drive shaft or transmission of torque, and a reasonable distribution of power

to the left and right driving wheel, and also bear in the role of the frame or the road and

Legislative body between the vertical, horizontal and vertical of power. Driven by the

general bridge reducer, differential, wheels, transmission and drive axle housings and other

components.

2. The bridge design driver:

（1）Drive bridge design should meet the following basic requirements:（1）. Choice of

the reduction ratio should be able to guarantee that vehicles have the power and the best fuel

economy.

（2）. Dimensions small to ensure that the necessary ground clearance. （3）.

Transmission gears and other pieces of work stable and noise.

（4）. Under various load and speed with high transmission efficiency. （5）. Guarantee

sufficient strength, rigidity conditions, should strive for quality small, particularly unsprung

mass should be as small as possible to improve vehicle ride comfort.

（6）. Oriented suspension and coordination of movement, to the drive axle, and the

steering mechanism should be coordinated with campaigns.

（7）. Simple structure, and processing of, and easy to manufacture, enables easy

adjustment.

3. Drive Bridge Category

3.1 non-driving axle-disconnect

Disconnect-general non-driving axle, simple structure, low cost, reliable, widely used in a

variety of truck, bus and the bus, in the majority of off-road vehicles and some cars also

adopt this structure. Their specific structure, in particular the shell structure while the

bridge is not the same, but there is one common characteristic is that Shell is a bridge

support in the drive wheel about the rigid hollow beam, and the half-axle gear transmission

components, such as installation of one of them. Then the whole drive axle, drive shaft

driven wheel and some are in unsprung mass, larger vehicles unsprung mass, which is one

of its shortcomings.

Drive Axle size depends primarily on the outline of the main types reducer. In the tire size

and drive underneath the minimum ground clearance has been determined by circumstances,

it defines the diameter of the driven gear reducer size. Ratio of a given condition, if the

single-stage reducer can not meet the requirements of ground clearance, with the dual-class

structure. In the two-stage reducer, the two usually on a main gear reducer shell reducer, can

also slow gear as a second-class round-reducer. The round-reducer: In order to improve

cross-country motor vehicle ground clearance, can be a spur gear consisting of round-gear

reducer initiatives under its follower of the vertical top gear; buses to reduce vehicle height

and the center of mass of train floors height, so as to enhance stability and the convenience

of the passengers get on and off, can be round-gear reducer initiatives under its vertical

driven gear beneath some double-decker bus in order to further reduce the compartment

floor height in a round-Gear reducer At the same time, the main reducer and differential

assembly also moved to the driver's side wheel.

In a few large-scale high-speed bus engine, multi-bridge drive vehicle and ultra-heavy laden

car, and sometimes used for the worm reducer, it not only has the quality of small, compact

size of circumstances can be large and transmission ratio Smoothing the merits of silent

work, and the overall layout of the car is very convenient.

3.2-drive axle disconnect

Disconnect-drive axle different from the non-driving axle-disconnect the obvious

characteristics of a connection is that the former does not drive the wheels about the rigidity

of the overall casing or beam. Disconnect drive bridge is the bridge sub-shell, and can be

done between the relative motion, such as off-the bridge. In addition, it always match with

independent suspension, it is also known as the independent suspension bridge driver. The

middle of this bridge, the main reducer and differential, are mounting in the frame beams

inside or on the floor, or backbone of the frame. Lord reducer, and the driveshaft and

differential wheel drive part of the quality of transmission quality on all spring. As both

sides of the drive wheel independent suspension can be used to the site relative to each other

frame for the upper and lower compartments or swing, with a corresponding demand on the

drive wheel and the gear casing or casing for the corresponding swing.

The hoisting of the type of vehicle assembly and elastic damping device components and

characteristics of the work is to determine vehicle ride comfort of the main factors, and the

quality of auto parts spring the size of their ride also have a marked impact. Disconnect-

drive axle unsprung mass smaller, independent suspension with the match, which drive the

wheels of contact with the ground and on all-terrain better adaptability, which can greatly

reduce car running on uneven road vibration and the tilt train, travelling to the vehicle's ride

and the average driving speed, reducing the wheels and axles on the dynamic load and parts,

increasing its reliability and service life. However, due to disconnect the drive Bridge and

the independent suspension with the match of the complex structure, this structure is mainly

seen on the ride comfort of the higher part of sedans and some off-road vehicle, and the

latter more than a light following riders Bridge drive vehicles or heavy-duty off-road

vehicle.

3.3 Bridge over drive layout

In order to improve loading and adoption of some medium - and heavy-duty vehicles and all

over the use of off-road vehicles are driven more bridge, and often used 4,6 × 4 × 8 × such

as 6,8-driven type. Multi-Bridge driver in the circumstances, the driving force at the drive

actuator pass in the way the two bridges. The two corresponding power transmission, the

Multi-Bridge drive vehicle driving axle layout patterns into non-hollow and hollow. The

former in order to force the pass at the drive actuator bridge to the actuator from the drive

axle by its own dedicated power transmission drive shaft, not only to increase the number of

drive shaft, and the cause of the drive axle Bridge parts in particular Shell, and other major

parts Semiaxle not universal. On the 8 × 8 vehicle, this non-drive-through bridge is even

more inappropriate, but also a difficult layout.

In order to solve the above problems, modern bridges are used in cars driven through the

drive axle-type layout.

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摘要：

附录附录ADriverintroductionsBridge1.Features:DriveBridgeattheendofpowertrain,andthebasicfunctionofwhichistoincreasecamefromthedriveshaftortransmissionoftorque,andareasonabledistributionofpowertotheleftandrightdrivingwheel,andalsobearintheroleoftheframeortheroadandLegislativebodybetweenthevertical,horizo...

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