手动液压升高车是近现代物流行业里面使用很广泛的搬运货物和材料的装置，该装置的结构十分紧凑，所有重要零部件集中在一起，但手动液压升高车却拥有运输灵活，搬运十分方便，操作的步骤非常简单，回转半径小等特点。本说明书中阐述了叉车的发展历史以及在未来叉车的合理期望。这次设计是在对市场调查的情况下，发现手动液压升高车市场需求量很大，很多大中小型企业都用来搬运货物以及材料，叉车的性能和规格都是不一样的，主要看单位对叉车的用途和需求，设计不同种类的叉车。本次设计，通过查阅资料，了解升高车的结构特点，知道一般的机械装置的参数以及应用的材料，根据液压起升装置设备的性能，设计出合理的叉车，叉车设计的参数一般有手动液压升高车空载时占地面积小，操作安全可靠，并且不污染环境，噪音小，价格便宜，提高了经济效益。手动液压升高车适用于很多工业搬运的地方,本次设计，通过提出方案并加以论证，选出最好的设计方案原则，阐述了手动液压升高车的结构设计和工作原理，论证了它的适用性，可行性。本设计主要内容包括了对叉车整机分析、传动方案的选择、货叉装置的校核、立柱门架以及液压系统的设计。 关键词：分析；机构；液压；设计 Abstract Ma
nual hydraulic forklift is moder
n logistics i
ndustry, which use a wide ra
nge of ha
ndli
ng of goods a
nd materials of the device, the device is compact i
n structure, All the importa
nt parts are co
nce
ntrated together, but the ma
nual hydraulic forklift has simple tra
nsportatio
n, it is very co
nve
nie
nt, the steps of the operatio
n is very simple, small tur
ni
ng radius etc. characteristics. This specificatio
n describes the history of the developme
nt of the forklift truck a
nd the reaso
nable expectatio
ns of the future. The graduatio
n desig
n is i
n of market survey a
nd fou
nd that ma
nual hydraulic i
ncreased car market dema
nd, ma
ny large, medium a
nd small e
nterprises are used to carry goods a
nd materials, forklift performa
nce a
nd specificatio
ns are
not the same, mai
nly to see the u
nit of Forklift uses a
nd
needs, differe
nt ki
nds of forklift truck desig
n. The desig
n, through access to i
nformatio
n, u
ndersta
ndi
ng the structural characteristics of the car i
ncreased, k
now ge
neral mecha
nical device parameters a
nd applicatio
n of the material, accordi
ng to the hydraulic lifti
ng equipme
nt performa
nce, desig
n reaso
nable forklift, forklift desig
n parameters ge
nerally i
ncrease ma
nual hydraulic car empty load covers a
n area of small, safe a
nd reliable operatio
n, a
nd
no pollutio
n to the e
nviro
nme
nt,
noise is small, cheap a
nd improve the eco
nomic be
nefit. Ma
nual hydraulic trucks i
ncreased applicatio
n i
n ma
ny i
ndustrial ha
ndli
ng, the graduatio
n desig
n, the proposed scheme is give
n a
nd proved, select the best desig
n pri
nciples, describes the ma
nual hydraulic elevated structure desig
n of the vehicle a
nd the pri
nciple of work, demo
nstrates its applicability a
nd feasibility. The mai
n co
nte
nt of this desig
n i
ncludes the a
nalysis of the forklift, the choice of tra
nsmissio
n scheme, the check of the fork gear, the desig
n of the portal frame a
nd the hydraulic system. Key words:a
nalysis; age
ncy; hydraulic; desig
n 目录 引言1 1手动液压升高车的简介2 1.1设计目的和设计意义2 1.2手动液压升高车的发展2 1.2.1历史与发展2 1.2.2叉车新产品设计的技术趋势3 1.3手动液压升高车的优势和行业前景4 1.4手动液压叉车的优点4 1.5手动液压升高车的设计参数5 1.6本章小结5 2总体设计方案6 2.1手动液压升高车主要结构6 2.2手动液压升车的特点7 2.3设计总体分析8 2.4本章小结8 3液压升高车结构设计9 3.1传动装置的选择9 3.2链传动的设计11 3.2.1链条型号的选择和确定11 3.2.2链条的强度校核12 3.2.3链轮的结构和设计12 3.2.4确定润滑方式13 3.3链轮轴的选择14 3.3.1选择轴的材料，热处理的选择14 3.3.2链轮轴的设计和计算14 3.4轴承的选择17 3.4.1计算轴承的当量载荷17 3.4.2选择润滑方式18 3.5叉车外型结构设计19 3.6手动液压升高车轮子的设计20 3.7叉架的设计21 3.7.1叉架的框架结构设计21 3.7.2叉架的滚轮设计23 3.8货叉设计24 3.8.1货叉的结构24 3.8.2货叉的强度校核26 3.8.3货叉的刚度校核26 3.8.4货叉挂钩的设计27 3.9叉车螺钉的校核27 3.10本章小结28 4动力系统的设计29 4.1液压千斤顶构件的分析29 4.2液压缸的主要形式及选材29 4.3液压回路原理设计29 4.4液压缸的设计30 4.6安全装置的设计32 4.7本章小结32 结论33 谢辞34 参考文献35