液压站及液压元件发展概况

PAGEPAGE8HydraulicStationandthedevelopmentofhydrauliccomponentsProfilesHydraulicPumpStationalsoknownasthestationsareindependenth-ydraulicdevice.Itrequestedbytheoilgradually.Andcontrollingthehydraulicoilflowdirection,pressureandflowrate,appliedtothemainframeandhy-draulicdevicesseparabilityofhydraulicmachinery.Userswillbeprovidedafterthepurchasehydraulicstationandhostofimplementingagencies(motoroilorfueltanks)connectedwithtubing,Hydraulicmachinerycanberealizedfromthesemovementsandtheworkcycle.Hydraulicpumpstationisinstalled,Manifoldorvalvecombination,t-anks,acombinationofelectricalboxes.Functionalcomponents:Pumpdevice——isequippedwithmotorsandpumps,hydraulicstationisthesourceofpower.tomechanicalenergyintohydraulicoilpressurecanbe.Manifold——fromhydraulicvalvebodyandchannelassembled.Rightdirectionforimplementationofhydraulicoil,pressureandflowcontrol.Valveportfolio——platevalveisinstalledinupboardafterboardconnectswiththesamefunctionalIC.Tank——plateweldingsemi-closedcontainers,alsoloadedwithoilfilteringnetwork,airfilters,usedoil,oilfiltersandcooling.Electricalboxes——atthetwopatterns.Asetofexternalfuseterminalplate;distributionofafullrangeofelectricalcontrol.HydraulicStationprinciple:motordrivenpumprotation,whichpumpoilabsorptionfromtheoiltank.tomechanicalenergyintohydraulicpressuretothestation,hydraulicoilthroughManifold(orvalvecombinations)realizedthedirection,pressure,Afteradjustingflowpipeandexternaltothecylinderhydraulicmachineryormotoroil,soastocontrolthedirectionofthemotivefluidtransformationforcethesizeandspeedthepaceofpromotingthevariousactinghydraulicmachinery.AdevelopmentcourseChinaHydraulic(includinghydraulic,thesamebelow),pneumaticandsealsindustrialdevelopmentprocesscanbebroadlydividedintothreephases,namely:20early1950stotheearly1960s,theinitialstage;60'sand70forspecializedproductionsystem;80~90'sgrowthstagefortherapiddevelopmentstage.Which,hydraulicindustryintheearly1950sfromthemachinetoolindustryproductionoffakeSu-grinder,broachingmachine,copyinglathe,andotherhydraulicdrivestarted,HydraulicComponentsfromtheplanthydraulicmachineshop,self-occupied.Afterenteringthe1960s,theapplicationofhydraulictechnologyfromthemachinegraduallyextendedtotheagriculturalmachineryandmechanicalengineeringfields,attachedtotheoriginalvelocityofhydraulicshopsomestandoutaspiecesofhydraulicprofessionalproduction.Tothelate1960s,early1970s,withthedevelopmentofmechanizedproduction,especiallyinthesecondautomobilefactoryinprovidingefficient,automatedequipment,alongwiththeHydraulicComponentsmanufacturinghasexperiencedrapiddevelopmentofthesituation,agroupofSMEshavebecomeprofessionalhydraulicpartsfactory.1968China'sannualoutputofhydrauliccomponentshavenearly200,000in1973,machinetools,agriculturalmachinery,mechanicalengineeringindustries,theproductionofhydraulicpartsfactoryhasbeentheprofessionaldevelopmentofmorethan100andanannualoutputmorethanonemillion.anindependenthydraulicmanufacturingindustryhasbeguntotakeshape.Then,hydraulicpiecesoffakeproductsfromtheSovietUnionfortheintroductionoftheproductdevelopmentandtechnicaldesigncombiningtheproductstothepressure,Hypertension,andthedevelopmentoftheelectro-hydraulicservovalvesandsystems,hydraulicapplicationareasfurtherexpanded.Aerodynamicthanthestartoftheindustrialhydraulicyearslater,in1967begantoestablishprofessionalpneumaticcomponentsfactory,PneumaticComponentsonlyascommodityproductionandsales.Sealedwithrubberandplastics,mechanicalsealsandsealingflexiblegraphitesealingindustry,theearly1950sfromtheproductionordinaryO-rings.rubberandplasticsextrusion,suchasoilsealsealingandsealasbestosproductsstarttotheearly1960s,begunproductionofmechanicalsealsandflexiblegraphitesealingproducts.1970s,theburningoftheformerMinistry,aMinistry,theMinistryofAgriculturalMechanizationSystem,agroupofprofessionalproductionplantshavebeenestablished,andtheofficialestablishmentofindustriestosealindustrialdevelopmenthaslaidthefoundationforgrowth.Sincethe1980s,inthecountry'sreformandopeninguppolicyguidelines,withthedevelopmentofthemachineryindustry,basedmainframepiecesbehindtheconflictshavebecomeincreasinglyprominentandattractedtheattentionoftherelevantdepartments.Tothisend,theMinistryoftheoriginalonein1982,formedthebasisofcommonpiecesofIndustry,willbescatteredintheoriginalmachinetools,agriculturalmachinery,mechanicalengineeringindustriescentralizedhydraulic,pneumaticandsealsspecializedfactories,placingthemundercommonmanagementinfrastructurepiecesBureau,sothattheindustryintheplanning,investment,technologyandscientificresearchanddevelopmentinareassuchasinfrastructurepiecesBureauofguidanceandsupport.Sincethenenteredaphaseofrapiddevelopment,hasintroducedmorethan60itemsofadvancedtechnologyfromabroad,includingmorethan40itemsofhydraulic,pneumatic7.Afterdigestionandabsorptionandtransformation,nowhavemassproduction,andindustry-leadingproducts.Inrecentyears,theindustryincreasedthetechnologicaltransformationefforts,in1991,Localenterprisesandtheself-financingtotalinputofabout20billionyuan,ofwhichmorethan1.6billionyuanHydraulic.Throughtechnologicaltransformationandtechnologyresearch,andanumberofmajorenterprisestofurtherimprovetheleveloftechnology,techniqueandequipmenttobegreatlyimproved.Inordertoformahigherstartingpoint,specialization,andrunproductionhaslaidagoodfoundation.Inrecentyears,manycountriesinthedevelopmentofcommonownershipguidelines,underdifferentownershipSMEsrapidriseshowinggreatvitality.Withthefurtheropeningup,three-fundedenterprisesrapiddevelopmentofindustrystandardsforimprovingandexpandingexportsplayanimportantrole.Today,ChinahasandtheUnitedStates,Japan,Germanyandothercountriesfamousmanufacturersjointventuresorwholly-ownedbyforeignmanufacturerstoestablishapistonpump/motor,planetaryreductiongears,steeringgear,hydrauliccontrolvalve,hydraulicsystem,hydrostatictransmission,hydraulicCasting.pneumaticcontrolvalve,cylinder,gasprocessingtriplepieces,mechanicalseals,rubberandsealproductsmorethan50productionenterprises,attractingforeigninvestmentover200millionU.S.dollars.Second,thecurrentsituation(1)BasicProfilesAfter40yearsofefforts,Chinahydraulic,pneumaticandsealingindustryhasformedarelativelycompletecategories.acertainleveloftechnicalcapacityandtheindustrialsystem.Accordingtothe1995ThirdNationalIndustrialCensusstatistics,hydraulic,Pneumaticsealsandindustrial370,000annualsalesincomeof100millionyuaninstate-owned,village-run,privateandcooperativeenterprises,individual,"threecapital"enterpriseswithatotalofmorethan1,300,ofwhichabout700hydraulic,Pneumaticsealsandtheapproximately300thousand.By1996withtheinternationaltradestatistics,thetotaloutputvalueofChina'sindustryhydraulic2.348billionyuan,accountingfortheworld's6;Pneumaticindustryoutput419millionyuan,accountingforworldNo.10.全(2)t级hecu暑rrent售supp梯lyan店ddem倚andp池rofil响es联Throu止ghth织eint妻roduc拾tion丢ofte电chnol石ogy,商indep靠enden嫂tdev及elopm直enta摩ndte扬chnol席ogica螺linn链ovati姜on,a瞧ndhi趣gh-pr种essur外epis本tonp触ump,卫gear珠pumps朴,van餐epum糖p,Ge梅neral检Moto秘rshy塑draul努icva秘lves,侵tank欠s,No纷n-lub伯ricat而edae提rodyn霜amic锹piece盖sand轨vari粘ouss镜eals躺ofth宏efir显stla果rget组echno言logy腿produ田ctsh烤asin竭creas府edno祸ticea怪bly.攻stabi窗lity船ofth愁emas哥spro岁ducti右onma嫩y,fo丘rvar鼻ious咸mainf任rame踢produ位ctsp惰rovid挽eal液evel与ofas沉suran援ce.I辨nadd奇ition筋,hyd睁rauli莫cand间pneu斑matic慰comp员onent常sof艰theC独ADsy尝stem,折poll郊ution钱cont骆rol,恳propo渐rtion姐alse狠rvot踢echno驱logy让hass庆cored竭some移achi片eveme禁nts,苗andi齿salr败eady嫁inpr芽oduct狸ion.秩Curre挪ntly,汪hydr怒aulic英,pne耻umati格cand漠seal底spro中ducts疼tota甩labo恳ut3,陈000s盛pecie叠s,mo册reth秆an23阵,000蠢speci敌ficat蝴ions.伴Amon糠gthe夺m,th笑erea卖re1,娇200h因ydrau包licv面ariet帆ies,蚕more像than虚10,00忍0spe竖cific超ation边s(in舰cludi狡nghy捞draul余icpr季oduct杀s60术varie若ties乳500s诚pecif蚂icati茧ons);羡Pneu心matic赏are疤1,350责vari祸eties逮,mor势etha挤n8,0欢00sp句ecifi轻catio请ns;R浅ubber锄seal后350士speci掘esmo母reth股an5,退000s奸pecif针icati辉onsh压aveb卵eenb习asica液llyc栏ater书toth祖edif酒feren透ttyp琴esof雹main踏frame毫prod遥ucts昏toth承egen勤eral拢needs奉,com蜂plete阿sets盛ofe觉quipm周entf聚orma剃jorv饱ariet膀ieso世fmat用ching坝rate聋was门over类60%,泥ands悬tarte衣das称mall站amoun颈tof电expor育ts.顶1998孝piece抗sof趴homem浙adeh态ydrau习lico第utput荷4.8显milli奶on.s径ales览ofab委out2吃8bil击lion柿(ofw怒hich鬼about溪70%围mecha抖nical粱syst返ems);姿aero辛dynam疫icpi丙eces佣yield皱3.6蹦milli辽on.s烛ales魔ofab蚊out5冤.5bi惰llion瞒(of棉which防abou诱t60%盏ofm固echan撕ical番syste督ms);斯Seals维outp屯utof袭abou回t800露mill确ion.房sales员ofa赚bout催10bi巴llion线(of春which冠abou素t50%判mech演anica视lsys竭tems)呜.Acc园ordin有gto齐theC款hina氧Hydra娇ulic快Pneum拣atic重Seals曲Indu雄stry拉Assoc樱iatio敏n199末8ann病ualr祖eport埋,hyd沸rauli凶cpro滔duct县sales庸rate絮of9恩7.5%耗(101画%for卸hydr碍aulic书),pn须eumat庸ic95吊.9%,番98.7%适seal装ed.T谅hisf呀ully盘refle沸ctst滑heba拔sicm秒arket悦ingc庸onver宾gence颤.跃Myhy喘draul齿ic,p册neuma沟tica教ndse凑aling睬indu恶stry廊hasa型ttain违eda抱great愉deal汁ofp顽rogre较ss,b普utwi扒thma挨infra移mede惨velop隶ment纺needs耍,and煎the伏world男'sad思vance劝dlev伞el,t横here疮ares暗till狂many得gaps,兼main幸lyre会flect系edin东the胸produ季ctva愚riety纹,per河forma闲ncea转ndre菜liabi愉lity,功and徒soon表.Hyd伯rauli牙cpro辨ducts养asa蠢nexa刷mple,药prod稿ucts锋abroa侵donl飘yone铁-thir惭d,li笑fefo钻rhal江fabr量oad.泄Inor容dert荣omee乳tkey愧main淘frame馆,and趟main纷frame微impo虎rtso动fmaj订orte燃chnol义ogya董ndeq袭uipme匠ntne哈eds,柳every度year火ala赢rgen倍umber宽ofh蔽ydrau佩lic,闪pneum惩atic射ands社ealin浆gpro皆ducts婆impo御rts.叮Accor卷ding子tocu夜stoms饶stat封istic仇sand文the治analy卡siso倍fdat得a,in遣1998为hydr姐aulic供,pne截umati时cand浴seal突sin花thei渠mport摇abou育t200杨mill但ionU伞.S.d繁ollar岭s,Hy张draul姐icwh粒icha葛bout幕1.4b扔illio寿ndol左lars,分aero悉dynam加icne以arly这030m麻illio胃nU.S办.dol吸lars,浆seal犹edab短out0瞧30mi监llion玉U.S.戒doll姜ars.堵compa帆redw铅itha禾slig挡htde还cline孩in1兰997.茄Bysu曲ms,c院urren域tlyi龄mport怨edpr招oduct医son典thed勉omest妙icma槐rket扔share嫌ofa痰bout面30%.钥1998预piece保sof得thed仪omest救icma挥rket燃deman录dfor烧hydr使aulic店tota括lof练about盈six车milli赞on,t朴heto忙tals拿ales蜜ofne诵arly猴40bi百llion颤;aer滤odyna掀micp从ieces反oft脏heto各tald文emand语ofa文bout疮5mil霸lion,邻with总sale杆smor亲etha裁n700复mill芦iony梯uan;粉Seals者tota达ldem仍ando怒fabo到ut1.种1bil时lion.镇tota挂lsal亮esof山abou难t1.3趋bill呜ion.肢Third宅,the拾deve忠lopme上nttr荡endo图fthe断futu乔re甲1,af馅fect枪thed远evelo修pment慕oft倘hema草infa霸ctors察笼(1)p膜roduc寄tdev叛elopm女enta摸bilit组y,an峰dthe迎leve闯lof肠techn钓ologi蔬cald畏evelo杨pment踪and篇speed闲c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