本科毕业设计题目名称： 液压式汽车双柱举升机设计 学 院: 专业年级： 学生姓名: 班级学号: 指导老师： 二 XXX 年六月十日摘要双柱式汽车举升机是一种汽车修理和保养单位常用的举升设备，广泛应用于轿车等小型车的维修和保养。目前，全国生产汽车举升机的厂家较多,生产的举升机的形式也比较繁多，有双柱式举升机、四柱式举升机、剪式举升机、组合移动汽车式举升机等.本文较全面地介绍了举升机的分类，在确定了所要设计的举升机的方案之后，即针对举升机的结构及其特点要求进行了设计与说明。然后分析了液压式双柱汽车举升机主立柱的截面特性，并对主立柱的强度和刚度和托臂的强度进行了校核验算.同时对液压缸活塞杆强度也进行了验算，以保证所设计的举升机满足使用要求。关键词 液压式，双柱举升机，机械结构设计，液压驱动,AbstractDouble—column automobile lifting machine is commonly used lifting equipment in automobile repair and maintenance organization， widely used in car's and small truck’s repair and maintenance 。 The manufacturers and the types of the automobile lifting are both numerous, for instance, double-column lifting, forth—column lifting ， shearing lifting ， mobile car combination lifting and so on. The paper makes a comprehensive introduction to the classification of the lifting and when the lifting’s design program is identified， this paper gives the design and description against the structure and characteristics of the lifting。 And then the main column’s section characteristics of the hydraulic double—column lifting are analyzed， and the strength and stiffness of the main column and the strength of the arm and piston rod of the hydraulic cylinder are also checked to meet the requirement of the designed lifting machine。Keywords hydraulic; double-column lifting machine; mechanical structure design ； hydraulic driving目录摘要......................................................................................................................
