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立式液压车用千斤顶的设计 摘要 随着汽车产业的蓬勃发展，汽车用具也日新月异。千斤顶是车辆使用过程中的必备工具之一，能够很方便的实现轮胎的应急更换等工作。为了节省空间且方便实用，千斤顶既要小巧便携，还要实用方便，省时省力。本次对液压千斤顶进行分析设计，详细了解其结构特点，并不断优化，进一步提高千斤顶的实用性等具有非常重要的现实意义。 本次设计通过全面了解千斤顶的实用要求，主要类型、结构特点及工作原理等，掌握千斤顶的主要特点，明确现有千斤顶的结构原理，对液压千斤顶进行原理明确。本次设计将首先分析了解了千斤顶的主要工作特点和结构类型等，并对千斤顶的优缺点进行了分析，明确了本次的设计内容和目标，然后对液压千斤顶的工作特点，结构形式等进行全面掌握和了解，了解液压千斤顶的机构原理图和结构简图等。该液压千斤顶主要是通过连通器原理和液压原理进行工作，小液压缸提供动力泵油，推动大液压缸举升，从而实现省力的作用。然后对设计的液压千斤顶的主要结构进行计算校核，保证设计的可靠性。在已有设计的基础上完成液压千斤顶的二维工程图。此次设计通过正向的分析和研究，全面了解掌握设计原理和设计方法。 关键词：液压；千斤顶；结构；设计 Abstract With thevigorous developme
nt of the automotive i
ndustry, automotive applia
nces are also cha
ngi
ng. Jack is o
ne of the
necessary tools i
n the process ofvehicle use, ca
n easily achieve the emerge
ncy replaceme
nt of tires a
nd so o
n. I
n order to save space a
nd co
nve
nie
nt a
nd practical, the jack is both small a
nd portable, but also practical a
nd co
nve
nie
nt, savi
ng time a
nd effort. This a
nalysis a
nd desig
n of hydraulic jack, a detailed u
ndersta
ndi
ng of its structural characteristics, a
nd co
nti
nue to optimize a
nd further e
nha
nce the practicality of the jack, a
nd so hasvery importa
nt practical sig
nifica
nce. The desig
n through a comprehe
nsive u
ndersta
ndi
ng of the practical requireme
nts of the jack, the mai
n types, structural characteristics a
ndworki
ng pri
nciple, grasp the mai
n features of the jack, a clear structure of the existi
ng jack pri
nciple, the hydraulic jack for a clear pri
nciple. The desig
n of the jackwill first a
nalyze the mai
n features a
nd structure of the type of jack, jack a
nd the adva
ntages a
nd disadva
ntages of the a
nalysis, clear the desig
n co
nte
nt a
nd objectives, a
nd the
nwork o
n the hydraulic jacks, structural forms, etc. Comprehe
nsive grasp a
nd u
ndersta
ndi
ng, u
ndersta
ndi
ng of the hydraulic jack of the mecha
nism diagram a
nd structure diagram. The hydraulic jack is mai
nly through the pri
nciple of co
n
necti
ng devices a
nd hydraulic pri
nciple ofwork, small hydraulic cyli
nder to provide power pump oil, to promote large hydraulic cyli
nder lift, i
n order to achieve the role of effort. A
nd the
n the desig
n of the mai
n structure of the hydraulic jack to calculate the check to e
nsure the reliability of the desig
n. I
n the existi
ng desig
n o
n the basis of completio
n of the hydraulic jack of the two-dime
nsio
nal e
ngi
neeri
ng drawi
ngs. The desig
n through a positive a
nalysis a
nd research, a comprehe
nsive u
ndersta
ndi
ng of the desig
n pri
nciples a
nd desig
n methods. ? Keywords hydraulic pressure； jack； structure；desig
n 目录 摘要2 Abstract 3 第一章绪论4 1.1千斤顶介绍4 1.2千斤顶分类4 1.3液压千斤顶特点10 1.4本次设计主要内容及要求10 1.5本章小结10 第二章立式车用千斤顶总体方案设计11 2.1液压千斤顶的结构原理11 2.2液压千斤顶的组成12 2.3本章小结13 第三章液压千斤顶结构设计14 3.1顶升液压缸设计14 3.2动力液压缸的设计18 3.3活塞杆、手柄设计21 3.4油箱（外管）及油管的设计23 3.5液压控制阀的设计23 3.6本章小结24 结束语25 致谢26 参考文献27