文档介绍：本科毕业设计(论文)ordingtothe17thcentury,Pascal'sprincipleofhydrostaticpressuretodrivethedevelopmentofanemergingtechnology,theUnitedKingdomin1795?BramanJoseph(JosephBraman,1749-1814),inLondonwaterasamediumtoformhydraulicpressusedinindustry,thebirthoftheworld'-(1914-1918),becauseoftheextensiveapplicationofhydraulictransmission,especiallyafter1920,,20years,()theinventionofthepressurebalancedvanepump,?Constantimscofluctuationsoftheenergycarriedoutbypassingtheoreticalandpracticalresearch;In1910onthehydraulictransmission(oupling,hydraulictorqueconverter,etc.)contributions,(1941-1945)period,intheUnitedStates30%,therapiddevelopmentofJapan'shydraulicdrive,setupin1956,"HydraulicIndustry."Nearly20to30years,thedevelopmentofJapan'sfasthydraulictransmission,,itiswidelyused,suchasgeneralindustrialuseofplasticsprocessingmachinery,thepressureofmachinery,ools,etc.;operatingmachineryengineeringmachinery,constructionmachinery,agriculturalmachinery,automobiles,etc.;ironandsteelindustrymetallurgicalmachinery,liftingequipment,suchasrolleradjustmentdevice;civilwaterprojectswithfloodcontrolanddamgatedevices,bedliftsinstallations,bridgesandothermanipulationofinstitutions;speedturbinepowerplantinstallations,nuclearpowerplants,etc.;shipfromthedeckheavymachinery(winch),thebowdoors,bulkheadvalve,sternthruster,etc.;specialantennatechnologygiantwithcont