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黑龍江工程學院本科生畢業(yè)設計
摘 要
驅動橋是汽車的重要總成部件，也是汽車總成中的重要承載件，所以驅動橋的好壞直接影響著汽車整體的性能和零件的使用壽命等。驅動橋由主減速器、差速器、半軸及橋殼四部分組成，其基本功用是降速增扭，把發(fā)動機的動力傳遞給左右車輪，并使汽車在轉向時保證左右車輪的差速功能，此外，還要承受作用于路面和車架或車廂之間的鉛垂力、縱向力和橫向力。
本設計首先論述了驅動橋的總體結構，在分析了驅動橋的結構形式及優(yōu)缺點后確定總體設計方案：采用整體式驅動橋，主減速器的減速型式采用單級減速器，主減速器齒輪采用螺旋錐齒輪，差速器采用圓錐行星齒輪差速器，半軸采用全浮式型式，橋殼采用鑄造整體式橋殼。本設計主要完成了單級減速器、圓錐行星齒輪差速器、全浮式半軸的設計和橋殼的校核及材料選取等工作。
關鍵詞：驅動橋；單級；主減速器；齒輪；材料；計算機輔助設計
ABSTRACT
Drive axle assembly is an important vehicle components, is also an important bearing in the vehicle assembly parts, so drive axle of a direct impact on overall vehicle performance and component life.Drive axle from the final drive, differential, axle and axle housing of four parts, the basic skills by using a spin-down twist, the engine's power passed to the left and right wheels, and to ensure the car when the steering wheel left and right differential function, in addition, but also act on the road and bear the car frame or between the vertical force, vertical force and lateral force.Discusses the design of the first drive axle of the overall structure of the analysis of the drive axle of the structure and determine the advantages and disadvantages of design options: with integral drive axle, main reducer reducer reducer type single stage, the main spiral bevel gear reducer gears, planetary gear differential with conical differential, axle with full floating type, with cast axle Integral axle.The design was completed for a single-stage reducer, planetary gear differential cone, full floating axle half shaft design and Check and material selection and so on.
Key words: Driving Axle；Single；Main Decelerator；Gear；Material；Computer Aided
Design
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