外文翻译=基于通用液压缸的液压挖掘机加长作业装置的结构设计与性能分析
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装置结构设计
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液压挖掘机结构
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外文翻译=基于通用液压缸的液压挖掘机加长作业装置的结构设计与性能分析,装置结构设计,设计外文翻译,液压挖掘机结构,的设计与分析
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StructuralStructuralStructuralStructuralDesignDesignDesignDesign andandandand PerformancePerformancePerformancePerformanceAnalysisAnalysisAnalysisAnalysis ofofofofa a a a LengthenedLengthenedLengthenedLengthened WorkingWorkingWorkingWorking DeviceDeviceDeviceDeviceofofofofHydraulicHydraulicHydraulicHydraulic ExcavatorExcavatorExcavatorExcavator BasedBasedBasedBasedonononon GeneralGeneralGeneralGeneral HydraulicHydraulicHydraulicHydraulic CylinderCylinderCylinderCylinderJingang Liu1,a,Shuizhang Kuang1,b,JianwenChen2,Xiaopeng Zhang2,Linglin Xia11Department of Mechanical Engineering, XiangtanUniversity, Xiangtan411105, China2Jiang Lu Mechanical & Electrical Technology Co., LTD, Xiangtan 411100, C,AbstractAbstractAbstractAbstractAimingAimingAimingAiming atatatat thethethethe problemproblemproblemproblem ofofofof hydraulichydraulichydraulichydraulic cylindercylindercylindercylinder designdesigndesigndesigndifficult,difficult,difficult,difficult, complexcomplexcomplexcomplex processing,processing,processing,processing, wewewewe proposedproposedproposedproposed a a a a designdesigndesigndesign methodmethodmethodmethod ofofofoflengthenedlengthenedlengthenedlengthened ofofofof lengtheninglengtheninglengtheninglengthening typetypetypetype workingworkingworkingworking devicedevicedevicedevice ofofofof excavatorexcavatorexcavatorexcavatorbasedbasedbasedbased onononon general-purposegeneral-purposegeneral-purposegeneral-purpose hydraulichydraulichydraulichydrauliccylindercylindercylindercylinderbybybybymodifyingmodifyingmodifyingmodifying thethethetheworkingworkingworkingworking devicedevicedevicedevice sizesizesizesizeandandandand adjustingadjustingadjustingadjusting thethethethehydraulichydraulichydraulichydrauliccylindercylindercylindercylinder hingehingehingehingepointpointpointpoint location.location.location.location. ItsItsItsIts three-dimensionalthree-dimensionalthree-dimensionalthree-dimensional modelingmodelingmodelingmodelingis is is is builtbuiltbuiltbuiltbybybybyPro/E.Pro/E.Pro/E.Pro/E.TheTheTheThe dynamicsdynamicsdynamicsdynamics simulationsimulationsimulationsimulation is is is is finishedfinishedfinishedfinishedbybybybyADAMSADAMSADAMSADAMS whichwhichwhichwhich cancancancanverifyverifyverifyverify whetherwhetherwhetherwhether thethethethe designdesigndesigndesign schemeschemeschemescheme satisfysatisfysatisfysatisfy thethethethe requirementsrequirementsrequirementsrequirementsofofofof excavationexcavationexcavationexcavation height,height,height,height, depthdepthdepthdepth andandandand getgetgetget thethethethe mostmostmostmost dangersousdangersousdangersousdangersousworkingworkingworkingworking statestatestatestateandandandand thethethethe jointjointjointjoint forceforceforceforce inininin thisthisthisthis state.state.state.state. ThroughThroughThroughThroughthethethethe ADAMSADAMSADAMSADAMS dynamicdynamicdynamicdynamic simulationsimulationsimulationsimulation ofofofof thethethethe lengthenedlengthenedlengthenedlengthened workingworkingworkingworkingdevicedevicedevicedevice andandandand prototypeprototypeprototypeprototype excavationexcavationexcavationexcavation test,test,test,test, researchresearchresearchresearch showsshowsshowsshows thatthatthatthat thethethethelengthenedlengthenedlengthenedlengthened workingworkingworkingworking devicedevicedevicedevice designdesigndesigndesign cancancancan statisfystatisfystatisfystatisfy thethethethe completecompletecompletecompletemachinemachinemachinemachineworkingworkingworkingworking performance.performance.performance.performance.Keywords-Keywords-Keywords-Keywords-LengthenedLengthenedLengthenedLengthened workingworkingworkingworking device;device;device;device; HydrualicHydrualicHydrualicHydrualic excavator;excavator;excavator;excavator;ADAMSADAMSADAMSADAMSsimulationsimulationsimulationsimulation; ; ; ; dynamicsdynamicsdynamicsdynamics simulationsimulationsimulationsimulationanalysisanalysisanalysisanalysisI.INTRODUCTIONWorking device as the main actor of basic movements ofhydraulic excavator,in the dual promotion of market andtechnology, the structure design is developing toward trendof diversity, in order to meet the needs of different specificwork environment. INTERMAT construction machineryexhibition in 2012 April held in Paris of France,can befound in hydraulic excavator is moving in the direction ofthe development of multi function. That according to thespecific needs design and manufacture a working devicewitha specificfunction. Suchas KomatsuKomatsuPC350LC lengthened working device, greatly exceededthe ordinary working device operating range. Domesticmanufacturers of excavators alsohave exhibitedtheirproducts.However,Chinasproductionofhydraulicexcavators used limited by its main parameters, the main jobin the construction process parameters such as maximumdigging radius, maximum digging height and depth can notmeet the construction needs. To meet clean ditches, waterconservancy construction, digging ramp, built undergroundengineering, demolition construction high-rise buildings andother specific needs, the study design with a wider range ofoperations that can be remote operation of a hydraulicexcavatorworkingdevicelengthenedhasimportantpractical significance.In view of the traditional design of lengthened workingdevice of hydraulic cylinderdesign difficult, complexprocessing,can not satisfy the original machine partscommonality problem, we design a kind of lengthenedworking device to modify the standard working device sizeand adjust the hydraulic cylinder hinge point 1.II.IMPROVEMENTPROGRAM ANDDYNAMICANALYSISThe lengthened working device design requirements asshown in Table1:TABLE I.THE LENGTHENEDWORKINGDEVICEDESIGNREQUIREMENTSParametersParametersParametersParametersOperatingOperatingOperatingOperatingweightweightweightweightMaximumMaximumMaximumMaximumdiggingdiggingdiggingdiggingheightheightheightheightMaximumMaximumMaximumMaximumdiggingdiggingdiggingdiggingradiusradiusradiusradiusMaximumMaximumMaximumMaximumdiggingdiggingdiggingdiggingdepthdepthdepthdepthCN150lengthened3000Kg10460mm12580mm10060mmUsing Pro / E to its three-dimensional solid modeling,based on the ADAMS dynamics simulation verifies that thedesign could meet the requirements of mining depth, miningheight index, and conduct the interference test by usingfullconditionsimulation2-3.Basedonworkingdevice in 15 tons of standard type hydraulic excavator doseveral improvements, afteranalyzingandcomparing,determine the optimal program. The holes of arm defined inFig.1below.Figure1.Thediagram of lengthened armCarry out the ADAMS simulation, using the boom pivotas the origin. The boom pivot from the ground is 1m, awayfrom the rotary center 1.2m. The improved programs areshown in Table2.2013 International Conference on Information Technology and Applications978-1-4799-2876-7/13 $31.00 2013 IEEEDOI 10.1109/ITA.2013.87354TABLE II.THEIMPROVEDPROGRAMSOF LENGTHENEDWORKINGDEVICEProgrProgrProgrProgramamamamImprovementImprovementImprovementImprovement measuremeasuremeasuremeasures s s sMaximumMaximumMaximumMaximumdiggingdiggingdiggingdiggingheightheightheightheightMaximumMaximumMaximumMaximumdiggingdiggingdiggingdiggingdepthdepthdepthdepthMaximuMaximuMaximuMaximummmmdiggingdiggingdiggingdiggingradiusradiusradiusradiusDesignDesignDesignDesign GoalsGoalsGoalsGoals10460mm10060mm12580mm1 1 1 1middlemiddlemiddlemiddleholeholeholeholeofofofof armarmarmarmrightrightrightright inininin 200mm200mm200mm200mmLeftLeftLeftLeftholeholeholeholeupupupup 225mm225mm225mm225mm8837.6mm11164.6mm13444.6mm2 2 2 2middlemiddlemiddlemiddleholeholeholeholeofofofof armarmarmarmrightrightrightright inininin 100mm100mm100mm100mmCylinderCylinderCylinderCylinder strokestrokestrokestrokeincreasedincreasedincreasedincreased 100mm100mm100mm100mm8783.7mm9294.7mm13554.7mm3 3 3 3ModifiedModifiedModifiedModified armarmarmarm andandandandbucketbucketbucketbucket cylindercylindercylindercylinder blockblockblockblockModifiedModifiedModifiedModified boom,boom,boom,boom, arm,arm,arm,arm,10504mm11557mm14240mmThe lengthened working device was improved accordingto scheme three. According to the requirements of the gap,the boom cylinder mounting seat back and up, the safedistance for the cylinder set aside at least 30mm. Boom andthe arm safety distance needs more than 40mm. Movebucket cylinder mounting seat, to ensure the safety ofbucket and arm distancemore than 40mm. For improvedworking device ADAMS kinematics simulation analysis,the largest excavator digging height is 10504mm, maximumdigging depth is 11557mm, and maximum digging radius is14240mm.Program3maximum digging height, maximum diggingdepth of ADAMS kinematics simulation shown in Fig.2,3.Figure 2. Maximum digging heightofprogram 3Figure 3.Maximum digging depth ofprogram 3Compared with the previous two programs, identifyprogram three can meet the original design requirement.Therefore, the program three lengthened working device isbest.Boomweightoflengthenedworkingdeviceis1187.10Kg, arm weight is 527.2Kg, and bucket weight is249.55Kg. The weight of lengthened working device is1964.35Kg. The bucket capacity is 0.3m3and soil weight isabout 1000Kg, the total actual weight is less than 3000Kg.Therefore, the lengthened working device meets the weightrequirements of the final model.III.DYNAMICSSIMULATIONANALYSISReferencingstandarddynamicssimulationmethod,conduct dynamic simulation for the lengthened workingdevice 4,5.Its external load force calculated as follows:Tangential digging resistance:KNhKW19b01=Normal digging resistance:KNWW7. 512=The gravity of materials:KNVG5 . 4Vg=Figure 4. The pressurecurve ofhydrauliccylindersFigure5.Thestress curvesof hinge pointsThrough dynamics simulation, the pressure curve ofthree hydraulic cylinders as shown in Fig.4. The stresscurves of boom and arm hinge point, arm and bucket,connecting rod and bucket as shown in Fig.5.355As can be seen from the simulation diagram, the hingepoint force and the hydraulic cylinder force are consistentwith the actual working conditions. The maximum stressof hinge point occurs at 8.2s, and it similar with the mostdangerous attitude theoretically. Take this attitude as themost dangerous, get the force of each hinge point on thisattitude 6.IV.DIGGINGTEST OFEXCAVATORTo verify the ADAMS dynamic simulation on hydraulicexcavator is feasible and its accuracy, and further verifythelengthenedworkingdevicecanmeettheworkperformance. For this paper, design the 15 tons lengthenedhydraulicexcavatordiggingtest.Foreachhydrauliccylinder pressure and displacement data measurement, toobtainatestdatacurve.Thencomparedwiththe ADAMS dynamics simulation results, dynamic model oftheverificationiscorrect,andthemostdangerouswork attitude of the simulation is accurate.Figure 6.DataacquisitioninterfaceFigure7.Diggingtest ofexcavatorBy displacement sensors measure displacement of thehydraulic cylinderto achieve the purpose of indirectmeasure attitude of the working device. Based on the dataacquisition, use Labview software development program asa data acquisition interface. As shown in Fig.6.Throughdigging test and data acquisition, select the data of samedynamics simulation process from the collected data. Thecurve of corresponding pressure and displacement of thehydraulic cylinder can obtained.Figure8.Hydrauliccylinderdisplacementcurve051015202530350100200300Pressure / MPaTime / s boom arm bucketFigure9.Hydrauliccylinder pressurecurveFrom the experimental curve can be seen, the test curveand the dynamic simulation curves are consistent. Whenhydrauliccylinderpressurereachmaximum,thedisplacements tested andsimulated are basically the same as.Itillustratesthemostdangerousworkingattitudeobtained from dynamic simulation is correct. It verifiedthe method ofthe ADAMSdynamicsmodelingandsimulation is feasible, and further validate the lengthenedworking device can meet job performance 7.V.SUMMARY1)The optimal design of lengthened working devicewas determined upon ADAMS kinematics simulation. Theworking device adopted a combined style which meets thecommon requirements of the15tons of standard hydraulicexcavator key parts and easily process, repairs and replaces.Furthermore, it could achieve efficient use of resources.2)The authorgot the most dangerous workingstate and the joint force in this state through the dynamicssimulation analysis to the ADAMS simulation model of thelengthened working device and verified that it could meetthe work performance.3563)The lengthened working device excavator testverifiedthe feasibilityand accuracyof the ADAMSdynamics simulation, and further validated it could meet thework performance.ACKNOWLEDGMENTThis project was supported by the Natural ScienceFoundation of Hunan Province (No.13JJ8005), ResearchFoundationofEducationBureauofHunanProvince(NO.12B124), Hunan Provincial Strategic New IndustryProjects (NO.2012GK4080) and Science and TechnologyKey Project of XiangtanCity (NO.ZD20111002).REFERENCES1HE Y J, LI B C, CUI H. Optimization design for backhoe workingequipment of hydraulic excavator J. Construction Machinery,1994(6):6-10.2Mottl J.Excavator optimization using the voting methodJ.Computer Methods in Applied MechanicsandEngineering, 1992,98(2):227-250.3HU X W. Analysis and optimization of the mechanical propertiesof hydraulic excavator backhoe deviceD. Changsha: Central SouthUniversity,2009.4Zorriassatine F, Wykes C. Asurvey of virtual prototyping techniquesfor mechanical product development J. Engineering Manufacture,2003, 217(8):513-530.5YIN Z-P,DINGH, XIONG Y L. A virtual prototyping approach togeneration and evaluation of mechanical assembly sequences J.Engineering Manufacture, 2004, 218(8):87-102.6ZHENGK, HU RX,CHENL M. Advanced applications of ADAMSMechanicalDesign M. Beijing:Machinery IndustryPress, 2006.7LI Y B, HE Q H, ZHANG D Q. Analysis and Simulation ofthedynamicsof hydraulicexcavator working deviceJ. Machinetool& hydraulics, 2006(10):170-171.357毕业设计(论文)外文资料翻译 外文出处：Proceedings of the 2010 IEEEInternational Conference on Mechatronics and Automation附 件： 1. 原文； 2. 译文 基于通用液压缸的液压挖掘机加长作业装置的结构设计与性能分析针对液压缸设计问题针对挖掘机加长型工作装置加工难度大、工艺复杂的问题，提出了一种基于通用液压缸的加长型工作装置的设计方法，通过修改工作装置尺寸和调整液压缸铰接点位置，实现了挖掘机加长型工作装置的设计。 其三维建模采用Pro/E进行。 利用ADAMS软件进行动力学仿真，验证设计方案是否满足开挖高度、开挖深度的要求，得到最危险的工作状态和最危险的开挖深度。通过ADAMS对加长作业装置进行动力学仿真和原型开挖试验，研究表明加长作业装置的设计能够满足整机的工作性能要求。加长工作装置； 液压挖掘机； ADAMS仿真； 动力学仿真分析液压挖掘机工作装置作为液压挖掘机基本动作的主要执行机构，在市场和技术的双重推动下，其结构设计正朝着多样化的方向发展，以满足不同具体工作环境的需要。 2012年4月在法国巴黎举行的INTERMAT工程机械展览会，可以发现液压挖掘机正朝着多功能的方向发展。 根据具体需要设计并制造了一台WO 具有特定功能的RKING设备。 如小松小松PC350LC加长工作装置，大大超出了普通工作装置的工作范围。 国内挖掘机厂商也纷纷展出了自己的产品。 然而，我国液压挖掘机的生产使用受到其主要参数的限制，在施工过程中主要工作参数如最大挖掘半径、最大挖掘高度和深度等都不能满足施工需要。 要遇到干净的沟渠，W 在水利建设、挖掘坡道、修建地下工程、拆除高层建筑等特殊需要下，研究设计具有较宽作业范围的液压挖掘机加长作业装置具有重要的现实意义。针对传统加长工作装置的液压缸设计难度大、加工复杂，不能满足原机械零件的要求通用性问题，我们设计了一种加长工作装置来修改标准工作装置的尺寸，调整液压缸的铰链点1。加长工作装置设计要求如表1所示:表一T型他延长了工作装置的设计时间要求利用Pro/E对其进行三维实体建模，基于ADAMS进行动力学仿真，验证了该设计能够满足开采深度、采高指标的要求，并利用全工况仿真进行了干涉试验2-3。 在对15吨标准型液压挖掘机工作装置做了几处改进的基础上，经过分析比较，确定了最优方案。 图1中所示的臂孔。 下文第1段。图1 加长臂示意图以臂架支点为原点，进行ADAMS仿真。 吊
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