文档介绍：黑龙江工程学院本科生毕业设计
摘要
本设计课题是 13 吨级重型载货汽车驱动桥的设计,汽车驱动桥是汽车底盘的重要
组成部分,一般由主减速器,差速器,车轮转动装置和桥壳等组成,转向驱动桥还有等
速万向节。它的作用是将万向传动装置传来的动力折过 90 度角,改变力的传递方向,
并由主减速器降低转速,增大转矩后,经差速器分配给左右半轴和驱动轮。汽车驱动桥
是汽车的重大总成,承载着汽车的满载以及地面经车轮、车架及承载式车身经悬架给予
的铅垂力、纵向力、横向力及其力矩,以及冲击载荷;驱动桥还传递着传动系中的最大
转矩,桥壳还承受着反作用力矩,汽车驱动桥结构形式和设计参数除对汽车的可靠性
与耐久性有重要形影外,也对汽车的行驶性能,如动力性、经济性、平顺性、通过性、
机动性和操作稳定性等有直接影响,另外,汽车驱动桥在汽车的各种总成中也是涵盖
机械零件、部件、分总成等的品种最多的大总成,因此,汽车驱动桥设计涉及的机械
零部件及元件的种类十分的广泛,对这些零部件的设计制造涉及很多的现代机械制造
工艺,通过对汽车驱动桥的学习和设计实践,可以更好的学习并掌握现代汽车设计与
机械设计的全面知识和技能。
关键词: 驱动桥;设计;计算;零件;CAD
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黑龙江工程学院本科生毕业设计
ABSTRACT
This design task is 13 tonnage heavy cargo automobile driving axle design, car driving
axle is an important part of car chassis, general by main reducer, differential, wheel rotation
device and bridge shell and ponents, steering axles and patterned constant speed
universal it is the role of the power transmission device ing over 90 degree
Angle folding, change directionandthetransmission force of calm And the main reducer
reduce speed, and increase torque, assigned to the differential around half shaft and the
drive wheels cars driving axle is the great assembly car, bearing the car carrying and ground
via wheel frame and integral by suspension of body vertical force to lead its transverse force
longitudinal strength and impact load torque,; Driving axle also delivers the drivetrain And
impact load; Driving axle also delivers the transmission, the maximum torque is under
bridge housing, cars driving axle backlash torque structure form and design parameters in
addition to the reliability of the automobile and durability are important for car around
outside, also driving performance, such as dynamic economy through sexual mobility and
smooth operating stability, etc have straight In addition, automobile driven axle of the
various auto assembly in also covers the mechanical ponents such as varieties
most portion assembly of large assembly, therefore, automobile driving axle design of
mechanical