XXX毕业设计（论文）
汽车分动器附录I
Drive axle powertrain at the end of their basic function is to increase XXX, and a reasonable distribution ofpower to the left and right wheel, XXX between the vertical, XXX the main drive axle reducer, differential, XXX.
The design of the Drive axle:
Drive axle XXX:1. Select the main reduction ratio should be able to ensure the car has the XXX.
2. Smaller size, XXX clearance.
3. Gear and other pieces of the work of a smooth transmission,and small noise.
4. In a variety of speed and load with a high transmission efficiency.
5. XXX, XXX of small, especially under the mass-spring should be as small as possible XXX.
6. And suspension movement-oriented coordination of steering drive axle, XXX.
7. The structure of simple, good processing, manufacturing, easy disassembly, XXX.
Drive axle classification
-1-
XXX毕业设计（论文）
XXX-style-type with two broad categories.
1. Non-disconnect-type drive axle
Non-disconnect-type drive axle also known as integrated drive axle, the axlecasing and the XXX with shell shell and connected to a rigid beam,XXX with the frame components. It consists of drive axle housing 1, the mainreducer, differential and axle components.
2. disconnect-type drive axle.
Drive the use of independent suspension bridge, that is the main XXX vehicle chassis, on both sides of the axle and wheel in the horizontalplane as opposed to relative movement of the body is referred to as drive off thebridge.
In order to match with independent suspension, the main reducer shell fixed at theframe (or body), the drive axle housing sub connected through the hinge, or inaddition to the main reducer shell outside the shell is no longer driven to other partsof the bridge. Wheel in order to meet the needs of independent jump up and down,between the differential and the wheel axle of the above connection between the useof universal joints.
Drive axle components
XXX by the main bridge reducer, differential, XXX.
1. Main reducer assembly
Used to change the main drive reducer general direction, to reduce speed andincrease torque, and ensure there is sufficient car drivers and the appropriate speed
-2-
XXX毕业设计（论文）
skin. More types of the main reducer, a single-stage, dual-class, two-speed, such asWheel Speed Reducer.
1) single-stage main reducer
XXX of the devices, called single-stagereducer. Its structure is simple, light weight, such as Dongfeng BQl090 type light andmedium-sized trucks on a wide range of applications.
2) two-stage main reducer
Larger number of heavy-duty trucks, require a larger reduction ratio, the main useof a single-stage reducer drive, moving from gear to be XXX drive axle of the ground clearanc
e, so the use of two XXX-stage reducer. There are two sets of two-stage reduction gear reducer, XXX.
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