液壓系統(tǒng)設(shè)計(jì)外文文獻(xiàn)翻譯、中英文翻譯

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液壓系統(tǒng)設(shè)計(jì)并歡送大家提出意見。設(shè)計(jì)機(jī)床液壓傳動(dòng)系統(tǒng)的依據(jù)的尺寸范圍、要求的自動(dòng)化程度等?！惨苿?dòng)、轉(zhuǎn)動(dòng)或搖擺〕，以及完成的工作范圍。等。沖出量等方面的要求。經(jīng)濟(jì)性等。設(shè)計(jì)液壓傳動(dòng)系統(tǒng)的步驟部門以技術(shù)任務(wù)書的形式提出。擬定液壓傳動(dòng)系統(tǒng)圖。(1)依據(jù)工作部件的運(yùn)動(dòng)形式，合理地選擇液壓執(zhí)行元件；(2)依據(jù)工作部件的性能要求和動(dòng)作挨次，列出可能實(shí)現(xiàn)的各種根本還應(yīng)有執(zhí)行元件的動(dòng)作循環(huán)圖和電氣元件的動(dòng)作循環(huán)表。計(jì)算液壓系統(tǒng)的主要參數(shù)和選擇液壓元件。(1)計(jì)算液壓缸的主要參數(shù)；(2)計(jì)算液壓缸所需的流量并選用液壓泵；(3)選用油管；(4)選取元件規(guī)格；(5)計(jì)算系統(tǒng)實(shí)際工作壓力；(6)(7)發(fā)熱和油箱容積計(jì)算；進(jìn)展必要的液壓系統(tǒng)驗(yàn)算。液壓裝置的構(gòu)造設(shè)計(jì)。繪制液壓系統(tǒng)工作圖，編制技術(shù)文件。設(shè)計(jì)液壓傳動(dòng)系統(tǒng)時(shí)應(yīng)留意問題的回路。換向閥，減慢換向速度；承受蓄能器或增設(shè)緩沖回路，消退液壓沖擊。系統(tǒng)在滿足工作循環(huán)和生產(chǎn)率的前提下，應(yīng)力求簡潔，系統(tǒng)越簡單，產(chǎn)路。此外，還應(yīng)具有互鎖裝置和一些安全措施。盡量做到標(biāo)準(zhǔn)化、系列化設(shè)計(jì)，削減專用件設(shè)計(jì)。使用液壓系統(tǒng)要留意的問題旋向等。開車前應(yīng)檢查系統(tǒng)上各調(diào)整手柄、手輪是否被無關(guān)人員動(dòng)過，電氣開關(guān)活塞桿的外露局部進(jìn)展擦拭，而后才可開車。直接啟動(dòng)主液壓泵。液壓油要定期檢查更換，對于投入使用的液壓設(shè)備，使用3個(gè)月左右1年進(jìn)展清洗和換油一次。工作中應(yīng)隨時(shí)留意油液，正常工作時(shí)，油箱中油液溫度應(yīng)不超過60℃。油溫過高應(yīng)設(shè)法冷卻，并使用粘度較高的液壓油。溫度過低時(shí)，應(yīng)進(jìn)展預(yù)熱，或在運(yùn)轉(zhuǎn)前進(jìn)展間歇運(yùn)轉(zhuǎn)，使油溫逐步上升后，再進(jìn)入正式工作運(yùn)轉(zhuǎn)狀態(tài)。檢查油面，保證系統(tǒng)有足夠的油量。之自然排出氣體。水分的侵入。加油時(shí)應(yīng)進(jìn)展過濾，使油液清潔。更換。對壓力掌握元件的調(diào)整，一般首先調(diào)整系統(tǒng)壓力掌握閥 溢流閥，從10%—20%。件的流量掌握閥應(yīng)同時(shí)調(diào)整，要保證運(yùn)動(dòng)的平穩(wěn)性工作部件產(chǎn)生爬行的緣由及排解方法由于空氣的壓縮性較大，當(dāng)含有氣泡的液體到達(dá)高壓區(qū)而受到猛烈壓縮位設(shè)置排氣裝置，將空氣排解。由于相對運(yùn)動(dòng)部件間的磨擦阻力太大或磨擦阻力變化，致使工作部件在動(dòng)件的外表間，從而增大磨擦阻力。措施：常常檢查有相對運(yùn)動(dòng)零件的外表間潤滑狀況，使其保持良好。應(yīng)卸除載荷，使液壓缸單獨(dú)動(dòng)作，測定出磨擦阻力后，校正定心。泵容量。在工作過程中由于負(fù)載變化，引起系統(tǒng)供油波動(dòng)，導(dǎo)致工作部件爬行。盡量不用軟管聯(lián)接，否則會因軟管變形大，簡潔引起爬行現(xiàn)象。液壓系統(tǒng)油溫上升的緣由、后果及解決措施這些損失轉(zhuǎn)化為熱能，使液壓系統(tǒng)的油溫上升。一般液壓系統(tǒng)的油溫應(yīng)掌握在〔30-60〕〔60-70〕常運(yùn)動(dòng)；能正常工作；運(yùn)動(dòng)；保證液壓系統(tǒng)正常工作溫度的措施：當(dāng)壓力掌握閥的調(diào)定值偏高時(shí)，應(yīng)降低工作壓力，以削減能量損耗；加強(qiáng)密封；器；由于油液粘度太高，使內(nèi)磨擦增大而發(fā)熱時(shí)，應(yīng)選用粘度低的液壓油；加大管徑，縮短管路，使油液通暢；系統(tǒng)和外界隔絕；計(jì)，承受變量泵或卸荷措施空氣侵入到液壓系統(tǒng)的不良后果及解決措施空氣侵入到液壓系統(tǒng)的不良后果主要有：爬行，破壞了工作的平穩(wěn)性；(1)空氣由油箱管和回油管應(yīng)保證在最低油面以下，兩者要用隔板隔開；(2)由于密封不嚴(yán)或管力低把溶解在油中的空氣游離出來進(jìn)入系統(tǒng)；(3)對于主要的液壓設(shè)備，液壓缸上最好設(shè)有排氣裝置，以排解系統(tǒng)中的空氣。系統(tǒng)中流量缺乏的緣由及解決措施由于液壓泵流量缺乏，致使系統(tǒng)中流量缺乏時(shí)，應(yīng)檢查液壓泵零件是否流量，應(yīng)對變量機(jī)構(gòu)拆卸、清洗或修理、更換；壓力安排閥工作不良引起流量缺乏時(shí)，應(yīng)修理或更換；對粘度的影響；溢流閥工作不良影響流量時(shí)，應(yīng)實(shí)行措施，使其工作正常；相應(yīng)的措施；更、或拆開清洗，使調(diào)整機(jī)構(gòu)動(dòng)作敏捷，工作正常。液壓系統(tǒng)中噪聲產(chǎn)生緣由及解決措施空氣侵入液壓系統(tǒng)是產(chǎn)生噪聲的主要緣由。由于液壓系統(tǒng)侵入空氣時(shí)，法；液壓泵或液壓馬達(dá)質(zhì)量不好，通常是液壓傳動(dòng)中產(chǎn)生噪聲的主要局部。應(yīng)修理，使軸向間隙在允許范圍內(nèi)；假設(shè)液壓泵選用不對，則應(yīng)更換；有損壞，或因磨損超過規(guī)定，則應(yīng)準(zhǔn)時(shí)修理或更換；換向閥調(diào)整不當(dāng)，使換向閥閥芯移動(dòng)太快，造成換向沖擊，因而產(chǎn)生噪防振降噪。機(jī)械振動(dòng)，如油管瘦長，彎頭多而未加固定，在油流通過時(shí)，特別是當(dāng)0.1MM等。在液壓系統(tǒng)中安裝油管的留意事項(xiàng)：吸油管不應(yīng)漏氣，各接頭要緊牢和密封好；吸油管道上應(yīng)設(shè)置過濾器；回油管應(yīng)插入油箱的油面以下，防止飛濺泡沫和混入空氣；背壓，避開阻礙閥芯運(yùn)動(dòng)；溢流閥回油口不許與液壓泵的入口相接；全部管路應(yīng)進(jìn)展兩次安裝，第一次試裝，其次次正式安裝。試裝后，拆下油管，用20%的硫酸或鹽酸溶液酸洗，再用10%的蘇打水中和，最終用溫水清洗，待枯燥后涂油進(jìn)展二次安裝。留意安裝時(shí)不得有砂子和氧化皮等。在液壓系統(tǒng)中安裝液壓元件時(shí)的留意事項(xiàng)：液壓元件安裝前，要用煤油清洗，自制的重要元件應(yīng)進(jìn)展密封和耐壓試21.5倍。試驗(yàn)時(shí)要分級進(jìn)展，不要一下子升到試驗(yàn)壓力，每升一級檢查一次；方向掌握閥應(yīng)保證軸線呈水平位置安裝；封圈應(yīng)突出安裝平面，保證安裝后有肯定的壓縮量，以防泄漏；底板平面能很好地接觸。在液壓系統(tǒng)中安裝液壓泵時(shí)的留意事項(xiàng)：0.1MM，一般承受撓性聯(lián)V帶直接帶動(dòng)泵軸轉(zhuǎn)動(dòng)，以防泵軸受徑向力過大，影響泵的正常運(yùn)轉(zhuǎn)；液壓泵的旋轉(zhuǎn)方向和進(jìn)、出油口應(yīng)按要求安裝；0.5M。如何清洗液壓系統(tǒng)液壓系統(tǒng)在制造、試驗(yàn)、使用和儲存中都會受到污染，而清洗是去除污染，使液壓油、液壓元件和管道等保持清潔的重要手段。生產(chǎn)中，液壓系統(tǒng)的清洗通小時(shí)，特別狀況下也不超過10小時(shí)，清洗效果以回路濾網(wǎng)上無雜質(zhì)為標(biāo)準(zhǔn)。清洗時(shí)留意事項(xiàng)：一般液壓系統(tǒng)清洗時(shí)，多承受工作用的液壓油或試車油。不能用煤油、清洗過程中，液壓泵運(yùn)轉(zhuǎn)和清洗介質(zhì)加熱同時(shí)進(jìn)展。清洗油液的溫度為〔50-80〕℃時(shí)，系統(tǒng)內(nèi)的橡膠渣是簡潔除掉的；敲擊，以利去除管路內(nèi)的附著物；液壓泵間歇運(yùn)轉(zhuǎn)有利于提高清洗效果，間歇時(shí)間一般為〔10-30〕min80150目以上的濾網(wǎng)；清洗時(shí)間一般為〔48-60〕小時(shí)，要依據(jù)系統(tǒng)的簡單程度、過濾精度要求和污染程度等因素打算；溫度恢復(fù)正常為止；清洗后要將回路內(nèi)的清洗油排解干凈。B

HydraulicsystemdesignHydraulictechnologyhasbeentheintroductionofanindustrialareahave100yearsofhistory.Withtherapidindustrialdevelopmentofhydraulictechnologymorewitheachpassingday.Alongwithmathematics，controltheory,computer，andhydraulicfluidsciences，ahydraulicservosystem,andashasbeendeveloped，developitsownsystem，andasetofeffectiveanalysisanddesignmethods.Well，notthat，andnowIsayallofthehydraulicsystemdesignmethodsandattentiontotheissue.Forthehydraulicsystemofthemachineusedexamplestochatwitheveryone，andwelcomecomments.MachinedesignofthehydraulicdrivesystembasedonTheoveralllayoutofmachinetoolsandtechnologicalrequirements,includingtheuseofhydraulicmachineperformedbytypeofcampaign,mechanicaldesignmadepossiblewiththeimplementationofthehydrauliccomponentsofthetypesandmodels,implementationofthecomponentsofthespaceanditslocationsize,therequirementsofthedegreeofautomation.Machineworkcycle,theimplementingagencyofmovement(Mobile,rotateorswing),andthecompletionofthework.HydraulicComponentsmovementspeed,speedofreference,itinerary,loadchangesinthenatureandscope.Machinemovementsofthevariouscomponentsoftheorderandinterlockingrequirements,andthevariouscomponentsoftheworkingenvironmentandcoverssuch.Thehydraulicsystemperformance,suchasworksmooth,reliability,precisiontotheother,timeandstayoutofthevolumeoftherequest.6.Otherrequirements,suchaspollution,corrosive,flammable,andthequalityofhydraulicdevices,Sizeandshapeoftheeconomyandsoon.HydraulicsystemdesignstepsAclearrighthydraulicsystemrequirementsforthework,hydraulicsystemisdesignedonthebasisthatusersinthetechnicaltasksoftheform.Thehydraulicdrivesystemdevelopmentplans.a.Accordingtotheworkingpartsofexerciseareasonablechoiceofhydrauliccomponents;b.Undertheworkingpartsoftheperformancerequirementsandmovementsoftheorder,listingpossibletoachievethebasiccircuit.Itshouldbenotedatthistimetochooseasuitablespeed,speed-exchangeprogramstodeterminesafetyandunloading,automaticallyguaranteethecompletionoftheworkcycleofactionandorderandreliable.Hydraulicdriveprogramming,thenationalstandardshouldbetheofficialgraphicsymbolmappingdiagram.Taggingshouldmapoutthecomponentsofthehydraulicmodelspecifications,Itshouldalsobeacomponentoftheimplementationofactionplansandtherecyclingofelectricalcomponentsinthetableofoperatingcycle.Calculationofthemainhydraulicsystemparametersandthechoiceofhydrauliccomponents.(1)Calculationofthehydrauliccylindermainparameters;(2)Calculationofthehydrauliccylinderflowandusehydraulicpumps;(3)Selectionoftubing;(4)Selectingcomponentsspecifications; (5)Calculationoftheactualsystempressure;(6)Thecalculationofpower,motorselection;(7)Heatingandfueltankvolume;Necessaryhydraulicsystemchecked.Hydraulicdesignofthestructure.Drawinghydraulicsystemmap,thepreparationoftechnicaldocuments.HydraulicsystemdesigntobeaproblemThebasiccompositionoftheloop,Wemustpayattentiontopreventingmutualinterferencebetweenthecircuit,andensurenormalworkcycle.Toimprovetheefficiencyofsystemstopreventoverheating.Forexample,smallpoweravailablethrottlecontrolsystem;Power,speedvolumewiththebestsystem;Regularparkingbrake.shouldbeabletopumpinatimelymannerunloading;Ineachworkcycleoilconsumptionvarygreatlysystemshouldconsiderusingpressureaccumulatororvariablecompensationsuchashighefficiencypumpcircuit.Preventhydraulicshock,forlargehigh-pressureflowsystem,shouldconsidertheuseofhydraulicvalvereplacedelectromagneticvalve,toslowdownthepaceofchange;usingaccumulatororadditionalbuffercircuit,theeliminationofhydraulicshocks.Thesysteminmeetingtheproductivityoftheworkcycleand,underthepremiseshouldbeassimpleaspossible,themorecomplexthesystem,havetheopportunitytofaultthemore.Toasafeandreliablesystemfordoingverticalmovementofheavyloadsupgradecomponentsshouldbeimplementedthereisabalancingloop;onthestrictrequirementsoftheordermovestheimplementationprogramcomponentsshouldbeusedtocontrolmovementsintheorderloop.Moreover,theyshouldalsohaveinterlockingdevicesandsomesafetymeasures.Aswellstandardized,serializeddesign,reducingexclusivedesigns.HydraulicsystemsusetheissuetotheattentionUsersshouldunderstandthatthehydraulicsystemofprinciple,familiarwiththevariousoperationalandadjustmentofthelocationandthehandletotheotherroundabout.Drivesystemshouldbecheckedpriortotheadjustmentonthehandle,handwheelwasirrelevantwhethertheofficersTouched,Electricalswitchesandswitchitineraryandwhetheritisnormalforthelocation,hostofinstallationtoolsandfirmlycorrect.anotherpairofrailsandtheexposedpartsofthepistonrodforclean,andthencandrive.Whendrivingacar,tostartthecontrolofthehydraulicpumpasphalt,withoutspecialcontrolasphalthydraulicpump,candirectlyinitiatehydraulicpump.Hydraulicoiltoreplaceregularchecksforthenewuseofhydraulicequipment,threemonthsorsothatthewashingtanks,thereplacementoil.Aftereverysixmonthstoayearforanoilchangeandcleaning.Shouldalwayskeepinoil,normalworkinghours,theoiltanktemperatureshouldnotexceed60℃.Hightemperaturetobecooling,andtheuseofhigherviscosityhydraulicoil.Lowtemperatureshouldbecarriedoutwhenpreheating,orinoperationbeforetheintermittentoperation,graduallyrisingtemperature,entertheformalfunctioningofthestate.Checkoillevels,andensurethesystemhassufficientfuel.Installationoftheexhaustsystemshouldexhaust,noventingdevicesystemshouldbereciprocatingoperationtimes,sothatthenaturalgasemitted.Shouldbeimpressedwiththesealtank,thefueltankabovetheairventsshouldinstallairfilters,preventdirtandmoistureintrusion.Fillingshouldbefiltered,cleanoil.Thesystemshouldbebasedonneedtoconfigurecoarseandfinefilters,thefiltershouldalwayscheck,cleaningandreplacement.Pressurecontrolcomponentsoftheadjustment,thegeneralfirstadjustmentsystempressurereliefvalve-controlvalve.Pressurefromzeroreturned,andgraduallyraisingthepressure,sothattheyachievetherequiredpressurevalues;followedbytheadjustmentofthelooppressurecontrolvalve.Theoilpumpsafetyreliefvalvepressureadjustmentswillbegreaterthanthegeneralimplementationofthenecessarycomponentsoftheworkpressure10%—25%.Rapidmovementofthehydraulicpumppressurereliefvalveadjustmentpressuresgenerallygreaterthanthepressurerequiredfor10%—20%.Flowcontrolvalveflowtosmalltransferredlargeflow,andshouldbegraduallyadjusted.Synchronousexecutionofthecomponentflowcontrolvalveshouldbeadjusted.Toensurethemovementstability.CrawlinghaveworkingpartsandthereasonsforexclusionmethodBecauseofthecompressedairaregreater.Whenthebubbleofliquidcontaininghighpressurezoneandreachseverecompression,thevolumeofoilwillbecomesmaller,workingcomponentsproducedcrawling.Takemeasuresto:loopinthesystemwereinstalledheightoftheexhaustsystemtoremovetheair.Astherelativemovementbetweenthepartstoomuchfrictionandfrictionresistancechangeswhichhascausedthecampaigncomponentsgeneratedcrawling.Takesthemeasure:thehydrauliccylinder,pistonandpistonrod,andotherpartsoftheformandpositiontolerances,andsurfaceroughnesshavecertainrequirements;andshouldensurethathydraulicsystemsandhydraulicoilcleandirttoavoidrelativemovementfolderintothesurface,thusincreasingfriction.Surfacemovementamongpoorlubrication,tocreatefrictionorsemi-friction,itiseasytocrawl.Takethemeasures:regularchecksofrelativemovementbetweenpartsofthelubricationofthesurface,enablingittomaintaingood.Ifthehydrauliccylinderpistonandthepistonrodsealingcenteringbad,theremaybecrawling.Takethemeasures:shedload,sothataseparateactionhydrauliccylinderwasmeasuredfriction,centeringcorrection.Duetoserioushydrauliccylinderleakledtocrawling.Takethemeasures:toreducetheleakageloss,orincreasedpumpcapacity.Inthecourseoftheirworkloadduetochangesinoilsupplysystemcausedfluctuations,leadingtocrawlworkingparts.Takethemeasures:choosetoremainsmallflowpropertiesofthevalvestability,andthehydrauliccylinderandvalvebetweenminimizingthehoseconnection,otherwisetheywillbeflexibledeformation,itcanbeeasilyarousedcreepingphenomenon.Hydraulicsystemtemperaturerise,consequencesandsolutionsInthehydraulicsystemwithenergywork,includinglossofpressureloss.volumelossesandthreemechanicallosses,theselossesintoheat,sothatthehydraulicsystemtemperatureincreased.Generalhydraulicsystemtemperatureshouldbecontrolled(30-60)℃,notexceedingthemaximum(60-70)℃.Temperaturerisewillcauseaseriesofnegativeconsequences:Theoilviscosity,leakage,reducethevolumeefficiencyandevenaffectthenormalmovement;Toenabletheoilchangedoxidesproducedimpuritieshydrauliccomponentstoplugtheholesorcracks,sothattheyarenotnormal;Havedifferentthermalexpansioncoefficientsoftherelativemovementbetweenthepartsbecomesmallerspace,orevendeathcard,notacampaign;Machinetoolsormachinerycausedthethermaldeformation,damagetotheoriginalaccuracy.Hydraulicsystemtoensurethenormaloperatingtemperatureofmeasures:Whenthepressurecontrolvalvetosetthevalueathighpressureshouldbeloweredtoreduceenergyloss;Asthehydraulicpumpanditsconnectingthevolumecausedbytheleakageofheatloss,shallbesecurelyfastenedtotheconnectingandenhancingseal;Whenthefueltanksizesmall,poorconditionsofheat,asappropriate,increasevolumeofthefueltankand,ifnecessary,setcooler;Duetohighoilviscosity,increasingfrictionwithinfever,shouldselect lowestviscosityhydraulicoil;Whenthetubingistooslenderandbent,theoilresistancealongthewaylossesincreasedtemperaturerises,shouldincreasediameters,shorteningpipe,theoilpatency;Theambienttemperatureistoohightoenabletemperaturerises,totheuseofinsulationmaterialsandsoundingboardsothatthesystemandisolatedfromtheoutsideworld;Prolongedunnecessarilyhighpressureoilfromthereliefvalvetothefueltank,temperaturerises,shouldbeimprovedcircuitdesign,variablepumporunloadingmeasuresTheadverseconsequencesofairtoinvadethehydraulicsystemandsolutionsTheadverseconsequencesofairtointrusionhydraulicsystemare:Toenabletheoilhassomecompression,resultingsystemtoproducethenoise,Vibrationandmovementcausedpartsofcrawlingandunderminestheworkofasmooth;Oxidationoftheoileasilydegenerateloweroillife.Solution:(1)Theairfromthetankintothesystemmoreopportunities,suchas thefueltankinadequate;hydraulicpumpoilabsorptiontubepenetratedoilistooshort;Rangepipeandtubingbacktothefueltanktoocloseormiddledistancewithnopartitionsseparating;Oilbackspatter,stirsbubble;Pumpinhaledair;notubinginsertedtothefueltanksothattheoiloutofoiltosurfaceandthewall,intheoilsurfacewillproducelargebubbleofairinhaledtogetherwiththeoilsystem.Therefore,theoil-tanktokeepsufficientheight;Rangepipeandtubingshouldbebackattheminimumguaranteedundertheoilsurface,Takenwithclapboardseparated;(2)Sincesealingleakageorpipejointofhydrauliccomponentsandtheadjoiningplanewherethefixingscrewtight,Airfromtheseareaswillbeinvasive;Systembelowatmosphericpressure,suchastheabsorptionofpumpcavity,Rangepipeandtubingpressureoilflowrateishigh(lowpressure)localarea;stopworkinginthesystem,systemtotheoil-oilpipelinereturnedtothereturnofthefueltank,willbepartialvacuumintheregion,Intheseregionsthemosteasilypenetratedtheair.Therefore,inordertotrytopreventthepressurethroughoutbelowatmosphericpressure;Sealallcomponentsshoulduseagoodseal,pipejointsandtheadjoiningplaneDepartmentshouldtightenthescrews;Regularcleaningpumpoilabsorptionmouthoffilters,topreventoilabsorptionresistanceincreasedwhileoildissolvedintheairoutoffreeaccesstothesystem;(3)Onthemainhydraulicequipment,hydrauliccylinderwiththebestexhaustdevicestoexcludetheairsystem.SystemflowshortageandthereasonsforasolutionBecauseofinadequateflowsofhydraulicpumps,Systemresultofinadequateflows,thehydraulicpumppartsshouldcheckwhethertherearedefects,inatimelymannertoreplaceorrepairdamagedpiecesofultra-poor;Ifinhaledairpumpaffecttheflowofhydraulicpumps,wouldtakemeasuresprevent airinhaled,thevariablepumpasvariablesectoradverselyaffectedtheflowpump,variableresponseagenciesdemolition,cleaningorrepair,replacement;Thepressuredistributionvalvecausedadverseworkflowisinsufficient,shouldberepairedorreplaced;Theoilviscosityinappropriateaffecttheflow,tobereplacedduetotheviscosityoftheoil.Attentiontothetemperatureandviscosityoftheimpact;Thereliefvalveadverseimpactontheworkflow,measuresshouldbetaken,makeitworkproperly.Thehydrauliccylinder,valveleakage,andothercomponents,causinginsufficienttrafficflow,meetthedifferentcircumstancestotakecorrespondingmeasures;Theflowcontrolvalveregulatingagenciesnotworking,shouldbedamagedpartsrepairedorupdated,ordisassemblecleansingandregulatingbodymovementsflexible,andworknormally.HydraulicsystemnoiseandcausesasolutionAirpenetratedhydraulicsystemisthemainsourceofthenoisegenerated.Becausethehydraulicsystempenetratedtheair,theareaoflowpressureoveritslarger,whentheflowofhigh-pressurezonebycompression,thevolumesuddenlynarrowed,Andwhenitflowsareaoflowpressure,thevolumesuddenlyincreased,thesizeofthisbubblesuddenlychangedto“explosion“phenomenon,resultingnoise,thisphenomenon,commonlyknownasthe“hole.“Toaddressthisreason,thehydrauliccylinderisofteninstalledontheexhaust devicetoexhaust.Moreover,thedrive,toenabletherapidimplementationofpiecesofthewholetripreciprocatingseveralventing,aswellascommonlyusedmethods;Hydraulicpumporhydraulicmotorsarepoor,usuallygeneratedhydraulictransmissionnoisecomponent.Pumpthepoormanufacturingquality,accuracyisnottomeetallthetechnicalrequirements,pressureandflowfluctuations,thehardshipofoilyettobesatisfactorilyeliminated,Sealwell,andthepoorqualitybearingsarecausingthemainsourceofthenoise.Inuse,thehydraulicpumppartswear,thegapistoolarge,insufficientflowandpressurefluctuationseasy,butcanalsocausethesamenoise.Facedwiththeabovereasons,thefirstchoiceofgoodqualityhydraulicpumporhydraulicmotors,twoistostrengthenrepairsandmaintenanceForexample,ifthegeartoothlowprecision,itshouldstudythegears,meetexposurerequirements;Ifastormvanepumpoil,Oilshouldbeamendedtodistributionsites1.30chutes,eliminatethehardshipoil;Iftheaxialpumptoomuchoilisinsufficient,theyshouldrepair,sothattheaxialspacewithinthepermissiblerange.Ifthepumpchoosenotto,theyshouldbereplaced;Thereliefvalveinstability,asaresultofslidevalvewiththevalveholewithimproperorpoppetvalveandvalveseatbeingcontacteddirtcab,dampingplugthehole,springordeflectsuchasthefailuretomakejamorspoolvalveholeinthemobilesystem,causedthesystempressurefluctuationsandnoise.Inthisregard,attentionshouldbeclean,andclearthedampinghole;Thereliefvalveinspectionsandiffounddamaged,orwearover,shouldberepairedorreplacedinatimelymanner;Improperadjustmentvalve,valvespoolmovingtoofast,causedtotheimpactofexchange,resultinginnoiseandvibration.Undersuchcircumstances,ifthehydraulicvalveisthevalveshouldbeadjustedtocontroltheasphaltthrottledevice,tomakeforasmoothwithoutshocks.Atwork,hydraulicvalvespoolsupportthespring,whenthefrequencyandrateofoilpumppulsationfrequencyorwithothersimilarlocaloscillatorfrequency,itwillcausevibration,noisegenerated.Then,bychangingthepipingsystemnaturalfrequency,changesinthecontrolvalvepositionoranappropriateincreaseintheaccumulator,itwillshockproofnoise.Mechanicalvibration,asslendertubing,bendoverwithoutanincreaseinfixed,theflowofoiloutofdate,especiallywhentheflowrateishigh,itiseasytocausethetubesjitter;motorandtherotarypumpimbalanceorwheninstallingtherightbad,orloosecoupling,canproducenoiseandvibration.Thismeasurestobetaken:alongerpipelineshouldbeseparatedfromeachother,andwiththewallseparatingmachine,theappropriateadditionalsupportingtubefolder;adjustmentofthe motor and pump installation accuracy; re-install the coupling to concentricityoflessthan0.1MMandsoon.MattersneedingattentioninthehydraulicsystemtoinstallthetubingNotleakoilabsorptiontube,theconnectormustfirmlyandsealedwell;Oilabsorptionpipelineshouldbesetuptraps;Tobeinsertedintothefueltanktubingtothesurfacefollowingtheoiltopreventsplashingfoamandintotheair;Electromagneticvalveleakageofoil,wemustbackupaseparatepipelinetopreventoilleakagecausedbackpressure,spooltoavoidhinderingthemovement;Thereliefvalvenotallowedtoexportoilandimport-phasepump;Allpipeinstallationshouldbecarriedouttwice,thefirsttestequipment,thesecondformalinstallation.Testequipment,tubingremovedusing20%sulfuricacidorhydrochloricacidpicklingsolution,andthen10%ofthesodaandwater.Finally,warmwaterwashing,dryingtoanointforthesecondinstallation.Attentiontotheinstallationshallbesandandoxidationhides.In the hydraulic system installed hydraulic components attentionThe installation of hydraulic components, use kerosene cleansing,self-importantcomponents to besealed and pressurizedtest, the test pressuredesirableworkpressuretwotimes,orfromtheuseofmaximumpressureof1.5times.Testtograde,donotsuddenlyrisetothetestpressure,onceinaliter;Directionalcontrolvalveshouldensurethattheaxisisthehorizontalpositioninstallation;Theinstallationofplateelements,tocheckoutthefuelSealwhethertherequired,theinstallationofpre-installedgasketshouldhighlightplane,Afterinstallationguaranteeacertainamountofcompression,inordertopreventleakage;Platecomponentsinstalled,fixationscrewstightenoughtoforceuniform,componentsandtheinstallationofcomponentsfloorflatplanewi