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載重汽車主減速器及差速器設計
摘 要：汽車主減速器及差速器是汽車后橋的主要部件之一，其基本的功用是增大由傳動軸或直接由變速器傳來的轉矩，再將轉矩分配給左右驅動車輪，并使左右驅動車輪具有汽車行駛運動所要求的差速功能。同時，驅動橋還要承受作用于路面和車架或承載車身之間的鉛垂力、縱向力、橫向力及其力矩。其質(zhì)量、性能的好壞直接影響整車的安全性、經(jīng)濟性、舒適性、可靠性。
本文參考了東風EQ1090E載重汽車驅動橋，在論述載重汽車汽車驅動橋運行機理的基礎上，提練出了在驅動橋設計中應掌握的滿足汽車行駛的平順性和通過性、降噪技術的應用及零件的標準化、部件的通用化、產(chǎn)品的系列化等三大關鍵技術；闡述了汽車驅動橋的基本原理并進行了系統(tǒng)分析；根據(jù)經(jīng)濟、適用、舒適、安全可靠的設計原則和分析比較，確定了載重汽車驅動橋結構形式、布置方法、主減速器總成、差速器總成的結構型式；并對主要零部件進行了強度校核，完善了主減速器及差速器的整體設計。
通過本課題的研究，開發(fā)設計出適用于裝置大功率發(fā)動機載重汽車的單級驅動橋產(chǎn)品，確保設計的載重汽車驅動橋經(jīng)濟、實用、安全、可靠。
關鍵詞：載重汽車； 主減速器； 差速器； 設計
畢業(yè)設計說明書中文摘要
畢業(yè)設計說明書外文摘要
Differential design of the main gear and truck
Abstract
Automotive final drive and rear axle differential is one of the main components, its basic function is to increase the drive shaft or transmission came directly from the torque, then torque distribution to the left and right drive wheels, and to drive the wheels with the car driving around the required differential movement capabilities. Meanwhile, the drive axle must bear the effect on the body surface and the frame or between the vertical load force, longitudinal force, lateral force and torque. Its quality, performance, a direct impact on vehicle safety, economy, comfort and reliability.
This reference to the east EQ1090E truck drive axle, in his discussion of automotive drive axle truck running mechanism, based on the extraction of a bridge design in the driver should have to meet the comfort and vehicle driving through sex, noise reduction technology and standardization of parts, components of the universal, the product series such as the three key technologies; describes the basic principles of automotive drive axle and a systematic analysis; based on economic, suitable, comfortable, safe and reliable design principles and analysis and comparison identified the truck driver bridge structure, layout methods, the main gear assembly, the
differential assembly structure; and strength check of major components were to improve the final drive and the overall design of differential .
Through this research project, designed to develop high-power engine on the device for single-stage drive axle truck products, ensure that the design of the truck drive axle economic, practical, safe and reliable.
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Keywords ： heavy truck; Final drive; Differential; Design.
畢業(yè)設計說明書外文摘要