关 键 词：

车辆 液压 辅助 动力 系统 设计

资源描述：

喜欢这套资料就充值下载吧。。。资源目录里展示的都可在线预览哦。。。下载后都有，，请放心下载，，文件全都包含在内，图纸为CAD格式可编辑，【有疑问咨询QQ:414951605 或 1304139763】

内容简介：

黑龙江工程学院本科生毕业设计摘 要目前，减少车辆的油料消耗和废气排放量是车辆节能和环境保护的一个迫切问题。为了减少城市内交通车辆的耗油量和所排放的废气，将车辆制动等过程中转变为热能的动能加以回收利用是一个值得研究的问题。本设计属于再生制动能量的研究范围，研究以汽车减速及制动能量回收再利用为目的的液压节能驱动系统。本系统由液压技术、传动技术、控制技术相结合实现车辆的低油耗、低排放，并有效地提高车辆的动力性能，是现有汽车节能、环保的重要途径。本系统采用定量泵/马达，气囊式蓄能器为能量转换及贮存部件，实现制动时的动能回收和启动加速的液压能回馈。系统中，车辆的加速与减速通过改变泵/马达的使用功能来实现，加速时，泵/马达作为马达使用，制动时，作为泵用。因此，配有该系统的车辆，即可以回收动能，还能够再利用这些能量进行加速、启动。而能量回收的关键技术是如何将制动时的能量加以保存，也就是能量回收系统的设计。在本设计中，系统采用的是液压蓄能器。本文针对城市公交车辆研究的能量回收系统可望达到较高的节能效果，具有较高的经济效益和社会效益。关键词：公交车；节能；泵/马达；动能；蓄能器ABSTRACTToday it becomes very urgent problems to reduce fuel consumption and exhaust gases from road vehicles for environmental protection. In order to reduce fuel consumption and exhaust gases from road vehicle, the kinetic energy that might otherwise be lost as heat during vehicle braking might be received and used.This design belongs to the research of the third aspect, the compound drive system is used to regenerate the loss energy. The low oil consumption and low bleeder of vehicle are achieved by using of transmission, hydraulic power control. And the compound drive system works harmoniously with engine to raise the motive capability effectively. It is the important way of automobile saving energy and environmental protection.Hydraulic pump/motor and hydraulic accumulation are used to transform a store energy, therefore it can regenerate the loss energy during vehicle braking and use this energy when automobile is in acceleration state.In this system, both driving and braking torque of the vehicle are controlled by a pump/motor. The pump/motor is used as a motor during the vehicle acceleration and as a pump when the vehicle being on braking. As a result, the vehicles with this system can not recover the kinetic energy from moving object but also use the energy at braking, namely the design of energy recovery system. In this design, the energy recovery system uses a hydraulic accumulator.This system is expected to reduce fuel consumption, especially compared with vehicle without this system. It will bring extremely high economic