简介:Inordertoachieveintegrationofelectrmotionandmanualoperationformanualforklift,thispaperdesignsanimprovedmanualforklift.Weselecttheappropriatemotoraccordingtoparametersoforiginalmanualforklift,whichwasanalyzedbySolidWorks.Wemakethedetaileddesignofthespeedreduceraccordingtotheselectedmotor’sratedspeedandotherparameters,anddesignthereductionspeedratio,reductionspeedform,sizeofgeardrive,meshingparameters,forceanalysisofgearandstrengthcheck.Inthispaper,weelectrifythetraditionalmanualforklifteventually.
简介:TheassociationbetweenthelunarphasesandtheatmosphericelectricfieldhasbeeninvestigatedfromthesuperposedepochanalysisofthelongseriesofcontinuousdataoftheverticalelectricfieldforColaba,Bombay(18°53’N,73°48’E11mASL)fortheperiod1947-1966.Alsotheperiodicitiesintheatmosphericelectricfieldhavebeenstudiedfromthespectralanalysisofthedata.Thestudyhasindicatedthatwhenthefullmooniswithin4oftheeclipticplanei.e.,Bf4°,theelectricfieldpeaksonthedayofthefullmoonfollowedbyasteepfallinthefieldvaluesupto4daysfollowingthefullmoondayandthereafteritshowedasteepincrease.Also,theelectricfieldhasexhibited5-9dayperiodicityanditsmultiplesarenearlyalwayspresent.Theperiodicityintheelectricfieldcorrespondswiththeaveragetimeintervalbetweenthesuccessivemagneticsectorboundary(MSB)crossingsi.e.,7days.Onmostoftheoccasions,theMSBcrossingdayisassociatedwithamaximumof
简介:Guangdong,acoastalprovinceinsouthChina,hadverypoorfoundationofindustryinthepast.AftertheestablishmentofPeople’sRepublicofChinain1949,undertheleadershipandunifiedplanningofthecentralgovernment,economyconstructionofbothindustryandagriculturehavebeenboostedandhencetheprovicialelectricpowerindustryhavedevelopedaccord-ingly.Especiallysince1979,theimplementationofreformationand
简介:Thetransitionfromthebiexcitontotheexcitoncanturnoverthedirectionoftheelectricdipoleofapolymericmolecule.Thisturning-overactioncombinedwiththephotoinducedpolarizationreversioncanbeusedasaswitch.Theswitchingspeedisgovernedbytherelaxationtimeoftheturning-overprocess,whichcanbedeterminedbyadynamicalsimulation.
简介:Onthebasisofthehistoricalstatisticsonpowerconsumption,thispaperanalyzesthepowerconsumptiontrendsinChinabymeansofanalyzingmethodsbasedonconsumptionproportioncurve,fixedbasecurve,month-on-monthincreasecurveandfixedbaseindexcurve.Specialattentionsarepaidtotheconsumptiontrendinthefirsthalfof2010,andpolicystrategiesaresuggestedtargetingtheproblemsreflectedbytheconsumptiontrend.