1、1ModernconstructionmachineryindustryoftechnicalprogressLarge-sizemechanicalminingexcavatorisusedwidelyininternationalanddomesticengineeringconstructionandminingperformance/anditspropertydefinestheefficiencymuch/Nowbecausetheinternationalmarketisopenedstepstep/howtopromotethequalityofexcavatoristheke
2、ythatafactoryreinforcesitscompetingforce/Inourcountry，thedesigningelevationandproductionqualityonexcavatorcannotkeepupwithinternationaladvancedtechnologyapplyingonexcavator/Nowtheadvancedtechnologyhasalreadyappliedadvanceddesigningmethodonexcavatordesigning，suchaselectronicsimulatingtheory，dynamicde
3、sign，reliabilitydesignandsoon/Butinourcountry/themostexcavatordesignhasstillappliedthetraditionaldesignmethod/themoderndesignmethodhasnotbegantobeactuallyapplied/Theprimedisplayisthatthecapabilityofself-designisnotenoughandthebasicworkhasnotdoneperfectlyespeciallytheexcavatorkinetics/Theconstructofe
4、xcavatorisverycomplexandthemultiplemoversoftenworksimultaneously/atthesametimeitsworkingenvironmentisverybadandtheeternalloadvariesrandomly/Asaresult/whendesigningthenewproductofexcavator/inordertoensuretheperformancesafety，thedesignernotonlyhasthebasictheoryanalysisonstaticloadcomputing/butalsodone
5、cessaryworkaboutthekineticsofmechanismtoqualifythedynamicreliabilityintheperiodofdesigning/Troughthekineticanalysis/theloadpropertyofalltheelementsinexcavatorcanbedecidedsoastodesignreliableproduct/Fromthe1980softhe20thcenturytothebeginningofthiscentury/Chineseandforeignengineeringmachinerytechnolog
6、yproductscomefromamaturityperiodofmodernizationalongwithanewtechnologicalrevolution/Mechanicalengineeringproductsintegratedtechnologytoanewlevel/Electronictechnology/micro-computer/sensors/electro-hydraulicservocontrolsystemintegrationandtransformationofthetraditionalmechanicalengineeringproducts/Co
7、mputer-aideddesignandcomputer-aided2manufacturingandcomputer-aidedmanagementofconstructionmachineryandequipmentmanufacturing/ITnetworktechnologyequipment/constructionmachinerysalesandinformationtransfersystems/thusenablingpeopletoseeabrandnewconstructionmachineryindustry/Newconstructionmachineryprod
8、uctsintheefficiencyandoperationalquality/environmentalprotection/performanceandautomationaremanyareasduetothepast/andtowardthefurtherroboticandintelligentdirection/1、operatingprinciplesofInnovation/groundbreakingnewlawwiththehigh-frequencyvibrationWithscientificandtechnologicalresearchinthedevelopme
9、nt/engineeringmachineryoperatingtheoryisconstantlyinnovating/Operatingmechanicalengineeringprinciples/includingthecuttingofearth/brokengroundonthescreengeotextilematerial/mixedwithheating/rightmixtureofpaving/levelingandcompaction/etc/TheseoperationsJimmyinitiallybionicsandNewtonianmechanics-based/M
10、odernscienceandthedevelopmentofengineeringmachineryoperatingprincipleoflayingthefoundationforinnovation/Forexample/mechanicalvibrationandpulsejet/thephotoelectriceffectandthermalphysics/theapplicationofmechanicalengineeringtosaveresourcesandimprovethequalityofconstructionimproveproductionefficiency/
11、reliabilityanddrivingcomfortandadegreeofautomationtocreateconditions/Excavators/bulldozers/loaders/andotherearthmovingmachinerycuttinggroundbreakingproject/wehadnostrugglemilling/high-frequencyvibration/Liquidgasjetmethodandporousgroundbreakinglaw/Groundbreakinguseofthenewoperatingprincipleoftransfo
12、rmationtoabucket/canloosenthesoilexcavationforthehigh-intensityrock/Undernormalcircumstancescanreducetheunitcostofearthworkandimproveproductionefficiency/andthesoilnearthebuildingwhensubstitutebored-blastingmethod/VibratoryRollerisamechanicalvibrationandhavereachedasluggishvibrationtooperationaleffe
13、ctivenessofthemostpowerfulnote/3High-frequencyvibrationcompactiontechnologyistheapplicationofmoderndynamicsinthemechanicalengineeringimportantresearchresults/Invibratoryrollersimultaneouslywiththeapplicationofvibrationisolationtheory/90softhe20thcentury/therehavebeenalevelofvibration(vibration)andve
14、rticalvibrationdirectionalvibrationcompactionmethod/andanAM-vibrationanddifferentfromtheharmonicvibrationofchaoticvibrationvibratorycompactionoperatingprinciple/andtheformationofthecorrespondingseriesofvibratoryroller/ImpactRollerbroketheexistingtraditionalcylindricalrollerstructure/Use3-5edgewithth
15、epressurerollerpolygondraggedbyatractor/2-3timespersecondinordertoimpactontheground/Thishasdramaticimpactontheseismicwavepropagationcharacteristics/thedepthofcompactionseveraltimeswiththeRCCandincremental/5minthedepthsofthedegreeofcompactionofup90%-92%/ImpactRollerisstaticshock/vibrationandrubitsmas
16、hesthecomprehensiveroleforlargefill/Collapsedrysandandsoilfillingthecompaction/AsphaltpaverWeipingequipmentisoperatingprinciplesofmechanicalengineeringinnovationtypicalexample/Fungplatediesel/liquefiedpetroleumgasorelectricheatingand60Hzfrequencyofvibration/andusinginfrared/ultrasonicorlaserleveling
17、/isamultidisciplinaryhigh-techapplications/Thislevelingthetechnologycanbeappliedtothegroundplane/asamlodipineorfinelevelingtheslope/Transferfrequencymechanicalvibrationisalsocommonlyusedfordrilling/stonecrushingandsievingandShenpullingpilingworks/Thestonedryingcanusediesel/fueloilandcoalcombustionof
18、variousfuelsontheasphaltfromthebarrel/heatingandasphaltmixture/stirringandinsulationprocessisthefulluseofthermaltheoryofphysics/Asphaltemulsionandsomearemodifiedchemicalreactionphysicalspecificapplication/2、driveinnovation/universalhydraulicandelectricdriveHydraulicdriveinthe20thcentury/the1960sappl
19、iedtotheroller/only10yearsonthetimehasbeenspreadandpopularize/Nowrollertravel/vibration/steeringandbrakingsystemshasachievedthefullhydraulicdrive/4Hydraulicdrivegreatlysimplifiedtherollerdriveandcontrolsystemdesign/hydraulicdriveasmooth/convenientmanipulationeffort/easytoachievevariablespeedandautom
20、ation/ingeneral/improvetheproductionefficiencyofrollercompactionandquality/Nowforeignmarketshaveseenverylittlemechanicaltransmissionoftheroller/Hydrostaticdrivetechnologyinthe1970sbegantousebulldozers/andwillsoonbeextendedtoanumberofsmallandmediumbulldozersandloaders/theUnitedStatesJohnDeere/Caterpi
21、llar/GermanyBohaibenefitcompaniesandDoleproducedbyKomatsuofJapanhasproductionandsalespushedTemplehydraulicmachinesandloaders/Hydrostaticdrivenottousehydraulictorqueconverter/whichdispensewiththeleftlaneandbrakepartsandmechanicaldrive/useofasafetyvalveonmechanicalandhydraulicsystemsoverloadprotection
22、/andtheindexofsmallerpowerplaybiggestindex/itsremainingpoweravailableintheauxiliarymachineryoperation/GermancompanyDeutschemarkandLeeBohaiFallofotherpubliccompaniesin1954andin1955tooktheleadindevelopingahydraulicexcavator/butthehydrostatictransmissioninlargeexcavatoristhepopularizationandapplication
23、ofthe1970s/Sincetheearly1980s/excavatorsandsubdivided/isgraduallyrealized-powered/rotaryandthehydraulicexcavatorof/Intheinternationalmarketexcavators/werealleliminatedvariousmechanicaldrive/Latehistoryofthebirthoftheroadismoremechanicalhydraulicdrive-based/suchaspaver/soilstabilizer/Pavementmillingm
24、achine/hydraulictransmissionsmoothnesshelpimprovethequalityoftheroadspaved/Drillinginthecaranddrillingmachines/hydraulictransmissionhasreplacedthepreviousaerodynamic/Wheeledmoderncranesandmachineryalsopilingworktothewholeinthedirectionofhydraulicdevelopment/Electricityinindustrialproductionwhiletheapplicationhasalonghistory/butinmobilemachineryisseldomused/Thisisbecause/firstly/tothemotorcapacityof/amotorwiththesamepowerascomparedtothehydraulicmotor/itsweightandbulktogoodtimes/tothemachineryspacelayout
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