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1、滾輪式腳踏式液壓升降平臺車設(shè)計摘要:本課題是為工廠車間等場所搬運貨物而設(shè)計的腳踏液壓升降臺，是工業(yè)生產(chǎn)的必然產(chǎn)物。滾輪式腳踏式液壓升降平臺車由優(yōu)質(zhì)鋼材、液壓泵、液壓缸、油管、腳輪等有機組合而成，它可以代替人手的繁重勞動，顯著減輕工人的勞動強度，改善勞動條件，提高勞動生產(chǎn)率和自動化水平。本文所介紹的液壓升降臺最大載重量是500kg，該升降臺由兩部分組成：機構(gòu)本體和液壓系統(tǒng)。升降臺升降的操作控制是由一套液壓系統(tǒng)和液壓缸來完成的，而組合而成的液壓系統(tǒng)全部放在液壓油泵中。液壓泵和液壓缸都采用標準件，其中液壓缸為單作用液壓缸，液壓泵為腳踏式，本文首先通過支撐
2、鉸架的受力分析詳細闡述了要提升起貨物，液壓缸所需承受的最大壓力。接著以之作為根據(jù)說明液壓泵、液壓缸等標準件的選用及型號，并介紹液壓泵內(nèi)部相關(guān)液壓系統(tǒng)原理以及對液壓泵儲油量進行核算。此外在強度校核方面，主要通過材料力學知識對鉸架以及液壓缸作用兩端的軸進行強度校核，最后對本升降臺進行重量和成本核算。本畢業(yè)設(shè)計借鑒了大量的資料，采用了許多國家標準，充分的吸收了各行業(yè)有關(guān)專家的寶貴經(jīng)驗。關(guān)鍵詞：腳踏式升降臺液壓缸液壓泵液壓系統(tǒng)標準件成本核算指導老師簽名:Roller-typehydraulicliftingplatformpedalcardesignAbs
3、tract：Thisissueisroller-typehydraulicliftingplatformpedalcardesignforplacessuchasfactoryandmachineshopforcargohandling,itisainevitableproductinindustrialproduction.Thismachineisposedbyhigh-qualitysteel,hydrauliccylinder，hydraulicpump，pipeline,castersandsoon.Itcanreplacetheheav
4、ymanuallabor，significantlyreducelaborintensityandimproveworkingconditionsandraisetheleveloflaborproductivityandautomation. Thebiggestloadofthissnorkeldescribedinthisarticleis500kgandtheplatformconsistsoftwoparts:bodyandthehydraulicsystemlift.Theoperationandcontrolofthesnorkela
5、recompletedbyasetofhydraulicsystemsandhydrauliccylinders，alsothecombinationofallofthehydraulicsystemarestoredinthehydraulicpump.Bothhydraulicpumpsandhydrauliccylindersarestandard,theformerisasinglehydrauliccylinderandthelaterisPedaltype。firstly，Thisarticleexpoundtherequiredmax
6、imumpressurethehydrauliccylinderbearthatneedtoupthegoodsthroughthesupportofthehingeforceanalysis.accordingtothis，thestandardandmodelchoiceofthehydraulicpump,hydrauliccylindearedetermined，Anditdescribesrelevanthydraulicsystemprinciplesandaccountoilvolumeofthehydraulicpump.Inadd
7、ition,thispapercheckthestrengthofthehingeframeandtheaxesatbothendsoftheHydrauliccylinderbymainlyusingthemechanicsofmaterialsknowledge，F(xiàn)inally,checktheweightandcostofthisliftingplatform.ThisGraduationProjecthavereferfromalargeamountofinformationandnationalstandards,itfullyabsor
8、bedthevaluableexperienceofexpertsinallwalksoflife.Keyword:Ped
