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598 HDK640微型客车设计（总体、车架、制动系统设计）（有exb图+中英文翻译） HDK640 微型 客车 设计 总体 车架 制动 系统 exb 中英文 翻译

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598 HDK640微型客车设计（总体、车架、制动系统设计）（有exb图+中英文翻译）,598,HDK640微型客车设计（总体、车架、制动系统设计）（有exb图+中英文翻译）,HDK640,微型,客车,设计,总体,车架,制动,系统,exb,中英文,翻译

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HDK640微型客车设计(总体、车架、制动系设计)摘 要底盘是汽车三大组成部分的重要一环。由离合器、变速器、悬架、转向系、制动系等组成。因其布置紧凑，技术要求高成为制约我国汽车工业发展瓶颈。该设计除了计算整车的动力性、经济性外，主要论述、布置了底盘的各组成部分。使各部件有效地与车架协调、统一。此次设计任务是微型客车的总体设计。在设计过程中，主要考虑了各零部件的标准化、通用化和系列化，以便拆装和维修方便，还重点围绕汽车总布置和整车性能计算进行。根据已给定的发动机型号和以同类车型，新型车型为参考，并经过了反复校核计算，合理选择了各档传动比，及主要技术参数(如整车整备质量，装载质量，轴载质量，轴距，轮距，整车长宽高，车轮滚动半径等)。利用计算机辅助设计，进行了汽车总布置，从而得到了合理的轴荷分配与质心位置，并对纵向、横向稳定性进行了计算，进而计算出最小转弯半径。然后计算了汽车动力性能(包括车速，牵引力，阻力，加速能力，爬坡度和功率)，绘出了速度曲线图，牵引力一一行驶阻力平衡图，行驶加速度曲线图和功率平衡图。在燃油经济性方面，根据功率平衡与发动机负荷特性计算出汽车等速百公里油耗量，绘制等速百公里-油耗曲线图。最后，按1：10比例绘制出车身总布置图。关键词：总体设计，底盘，动力性，燃油经济性，等速百公里油耗, 制动系HKD640 MINIBUS GENERAL DESIGN（FRAME,BRAKE SYSTEM DESIGN）ABSTRACTThe chassis is one of the important part in the three great parts of a car. It consists of a cluth、a transmission、change direction system and brake system. For its compact of the arrange and high demand of technology, it become a restrict of car-industry of China.Apart of the caculation of the motivity and ecnomic of the car, this design discusses and arranges these parts of the chassis. It harmonizes and consolidates these parts with the undercarriage effectively.This design duty is the light passenger train system designIn the design process，has mainly considered various spare parts standardization，the universalization and the seriation，in order to disassembles and assembles with the service is convenient，but also revolves the automobile always to arrange and the entire vehicle performance computation with emphasis carries onAccording to already the engine model and by the similar vehicle type which assigns，the new vehicle type is the reference，and passed through examined the computation repeatedly，reasonably has chosen various grade of velocity ratios，and the main technical parameter (for example the entire vehicle fitted out quality，loading quality，axle load quality，spread of axies，turned distance，the entire vehicle length and breadth was high，wheel rolling radius and so on)Using the computeraided design，carried on the automobile always to arrange，thus obtained reasonable axis Holland to assign and the nature heart position，and to longitudinal，the transverse stability has carried on the computation，then calculated the most steep bank radiusThen calculated the automobile dynamic quality (to include vehicle speed，force of traction，resistance，accelerating ability，crawled slope and power)，drew the speed diagram of curves，the force of traction running resistance equilibrium diagram，the travel acceleration diagram of curves and the power equilibrium diagramIn fuel oil efficient aspect，according to power balance and engine load performance computation automobile constant speed hundred kilometers oils consumption quantities，plan constant speed hundred kilometers oil consumption diagrams of curvesFinally，according to 1：10 proportions draw up the automobile body generalarran