外文翻译- 液压系统概述.docx
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外文翻译- 液压系统概述.docx
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外文资料与中文翻译
外文资料:
HydraulicSystem
Hydraulicpresserdriveandairpressuredrivehydraulicfluidasthetransmissionismadeaccordingtothe17thcentury,Pascal'sprincipleofhydrostaticpressuretodrivethedevelopmentofanemergingtechnology,theUnitedKingdomin1795•BramanJoseph(JosephBraman,1749-1814),inLondonwaterasamediumtoformhydraulicpressusedinindustry,thebirthoftheworld'sfirsthydraulicpress.Mediaworkin1905willbereplacedbyoil-waterandfurtherimproved.
After the WorldWarI(1914-1918) ,because ofthe extensiveapplicationofhydraulictransmission,espec-iallyafter1920,morerapiddevelopment.Hydrauliccomponentsinthelate19thcenturyabouttheearly20thcentury,20years,onlystartedtoentertheformal phaseofindustrialproduction.1925Vickers(F.Vikers)theinventionofthepressurebalancedvanepump,hydrauliccomponentsforthemodernindustrialorhydraulictransmissionofthegradualestablishmentofthefoundation.Theearly20thcenturyG•Constantimscofluct-uationsoftheenergycarriedoutbypassingtheoreticalandpracticalresearch;in1910onthehydraulictrans-mission(hydrauliccoupling,hydraulictorqueconverter,etc.)contributions,sothatthesetwoareasofdevelo- pment.
TheSecondWorldWar(1941-1945)period,intheUnitedStates30%
ofmachinetoolapplicationsinthehydraulictransmission.ItshouldbenotedthatthedevelopmentofhydraulictransmissioninJapanthanEurope
andtheUnitedStatesandothercountriesfornearly20yearslater.Beforeandafterin1955,therapiddevelopmentofJapan'shydraulicdrive,setup
in1956,"HydraulicIndustry."Nearly20to30years,thedevelopmentofJapan'sfasthydraulictransmission,aworldleader.
HydraulictransmissionTherearemanyoutstandingadvantages,itiswidelyused, suchasgeneralindustr-ialuseofplasticsprocessingmachinery,thepressureofmachinery,machinetools, etc.; operatingmachinery engineeringmachinery,construction machinery,agriculturalmachinery, automobiles, etc.; ironandsteel indu- strymetallurgicalmachinery,liftingequipment,suchasrolleradjustmentdevice;civilwaterprojectswithflo-odcontrolanddamgatedevices,bedliftsinstallations,bridgesandothermanipulationofinstitutions;speedturbinepowerplantinstallations, nuclear power plants, etc.; ship from the deck heavymachinery(winch),thebowdoors,bulkheadvalve,sternthruster,etc.;specialantennatechnologygiantwithcontroldevices,measu-rementbuoys,movementssuchasrotatingstage;military-industrial controldevicesusedinartillery,shipanti-rollingdevices,aircraftsimulation,aircraftretractablelandinggearandruddercontroldevicesandotherdevi-ces.
Acompletehydraulicsystemconsistsoffiveparts,namely,powercomponents,theimplementationofco-mponents,controlcomponents,auxiliarycomponentsandhydraulicoil.
Theroleofdynamiccomponentsoftheoriginalmotivefluidintomechanicalenergytothepressurethatthehydraulicsystemofpumps,itis
topowertheentirehydraulicsystem.Thestructureoftheformofhydra-ulicpumpgearsaregenerallypump,vanepumpandpistonpump.
Implementationofcomponents(suchashydrauliccylindersandhydraulicmotors)whichisthepressureoftheliquidcanbeconvertedtomechanicalenergytodrivetheloadforastraightlinereciprocatingmovementorrotationalmovement.
Controlcomponents(thatis,thevarioushydraulicvalves)inthehydraulicsystemtocontrolandregulatethepressureofliquid,flowrateanddirection.Accordingtothedifferentcontrolfunctions,hydraulicpressurecontrolvalvecanbedividedintovalves,flowcontrolvalvesanddirectionalcontrolvalve.Pressure controlvalvesaredividedintobenefitsflowvalve(safetyvalve),pressurereliefvalve,sequencevalve,pressurerelays,etc.;flowcontrolvalvesincludingthrottle,adjustingthevalves,flowdiversionvalvesets,etc.;directionalcontrolvalveincludesaone-wayvalve,one-wayfluidcontrolvalve,shuttlevalve,valveandsoon.Underthecontrolofdifferentways,canbedividedintothehydraulicvalvecontrolswitchvalve,controlvalveandsetthevalueoftheratiocontrolvalve.
Auxiliarycomponents,includingfueltanks,oilfilters,tubingandpipejoints,seals,pressuregauge,oillevel,suchasoildollars.
Hydraulicoilinthehydraulicsystemistheworkoftheenergytransfermedium,thereareavarietyofmineraloil,emulsionoilhydraulicmoldingHopcategories.
Theroleofthehydraulicsystemistohelphumanitywork.Mainlybytheimplementationofcomponentstorotateorpressureintoareciprocatingmotion.
Hydraulicsystemandhydraulicpowercontrolsignaliscomposedoftwoparts,thesignalcontrol ofsomepartsofthehydraulicpowerusedtodrivethecontrolvalvem
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