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1、液壓挖掘機(jī)液壓系統(tǒng)詳解Hydraulicexcavatorhydraulicsystemdetailed2011-09-2710:35source:Chineseexcavatorinformationnetworktoshare:browse:0timesaccordingtothetransmissionofexcavatorworkingdeviceandtherequirementsofvariousinstitutions,thecombinationofvarioushydrauliccomponentsconnectedbypipelineorganical
2、ly,calledthesystemofhydraulicexcavator?Itsfunctionistouseoilastheworkingmedium,usinghydraulicpumptochangethemechanicalenergyoftheengineintohydraulicenergyandtransferit,thenthroughhydrauliccylinderandhydraulichorseAccordingtothedrivingdeviceofexcavatorandthedriverequirementofeachmechanism,
3、thehydrauliccomponentsoftheexcavatorarecalledthehydraulicsystemoftheexcavator?Itsfunctionistooilastheworkingmedium,theuseofhydraulicpumptotheengine'smechanicalenergyintohydraulicenergyandtransport,andthenthroughthehydrauliccylinderandhydraulicmotorwillturnbacktothehydraulicenergyintomecha
4、nicalenergy,toachieveavarietyofactionsofexcavator?BasicRequirementsThehydraulicexcavatoractioncomplex,whereinstitutionsoftenstart,braking,reversing,loadchanges,shockandvibrationfrequency,andfieldoperations,changesintemperatureandlocation,accordingtotheworkingcharacteristicsofhydraulicexca
5、vatorandenvironmentalcharacteristics,thehydraulicsystemshouldmeetthefollowingrequirements:1)toensurethatexcavators,boom,bucketandbucketcanbeindividuallyaction,butalsocancooperatewitheachothertoachievecomplexaction?2)themovementoftheworkingdeviceandtherotationoftheturntablecanbecarriedouts
6、eparatelyandincombination,soastoimprovetheproductivityoftheexcavator?3)theleftandrighttracksofthecrawlerexcavatorarerespectivelydriven,sothattheexcavatoriseasytowalkandflexibletoturn,andcanbeturnedonthespot,soastoimprovetheflexibilityoftheexcavator?4)ensurethatallthemovementsoftheexcavato
7、rarereversibleandsteplessspeedchange?5)theexcavatorworkissafeandreliable,andtheimplementationofcomponents(hydrauliccylinder,hydraulicmotorwithoverloadprotectionetc?)good;rotarymechanismandawalkingdevicehasreliablebrakingandspeed;preventtheboomduetoweightdecreasedand
