消防车专用底盘的市场需求及配置方案分析外文文献翻译、中英文翻译

-PAGE53PAGE32附录ADedicatedfireenginechassisconfigurationofthemarketdemandandprogramanalysisMahoney.GThroughresearchthatthemarketvolumeoffire,in2002280020033000vehiclesin2005isexpectedtoreach4000.Marketdemandforthevehiclesonfireinthemain,mainlyforheavyvehicles.Onemedium(containingthequalityof8~10t)accountedfor40%ofthetotalmarket,heavytrucksaccountedfor60%ofthetotalmarketandmarketshareofheavyvehiclesarapidupwardtrend.Fromtheregionalmarket,thedomesticmedium-sizedsouthernregiontheuseoffireengines,tooccupyamarketshareof60%,30%heavyvehicles,andtheremaining10%ofthebasic5tforthefollowingvehicles;thenorthernregionaccountsfor50%ofmedium-sizedvehicles,40%ofheavyvehicles,andtheremaining5tforthefollowingvehicles.Existingmarketstructurefireinthecab,morea4doordoublecabseat,representingabout80%ofthetotalmarket.However,productscurrentlycabchassisisgenerallyflatorsemi-exclusivesingle-row,manufacturersoffireenginesarehand-completedrestructuringofthedoublecab,theinteriorafterthereformwiththeoriginalvehicleinteriorisnotwellunified.Configurationanalysisofmarketdemand(1)Cab:Requestfortwo-row,fourdoor,backdoorandthefrontdoorusingthesametwotimeasmuchaspossibletowide,usually800mm~850mm,inordertofastaccesstothemembers.Atthesametime,thecrewrequestedthatthesecondrowseatisreservedspaceforinstallationofair-breathingapparatus,thatis,awayfromthedoorafterthehoardingscolumn200mm~230mm.Crewof4to6people.Indoordrivingforcecontrolaccesstoconfigurationcontrolandconfigurationofhydraulicdoubleflipdevicedriver.(2)Engine:Modelofthegeneralrequirementsforenginepower157~172kW;heavyvehicleenginepowerrequirementsforthe209~261kW.Tothewholeenginewithgovernor,atthesametimeinlinewiththeEuropeanⅡemissionstandard.(3)checkofPower:Requestforthesandwich-typeconfigurationcheckourfullpower,andtheoutputspeedofabout3000rpm,theenginerotationtothesameratiotothespecificrequirementsoffirepumpsinaccordancewiththechoice.Poweroutputflangefromthecenteristobelocatedinthecenterlineofthelocationoftheframe,thecenterdistanceoftheframeontheplaneabout160mm.(4)fueltank,reservoirpumpandairfilterarrangementofrequirements:therequirementsofsmallvolumefueltank,180~200Lcapacity,Drum.Reservepumpbeamattheinsideoftherequirementsforeasylayoutmodification.Verticalspacerequirementsoftheinstallationoffiltersonthecabback,easeofmaintenanceandinstallation,atthesametime,tomeetthelargerframelengthcanbeused.(5)Wheelbase:mediumrequestedabout4500mmwheelbase,wheelbaserequirementforheavyvehiclesinthe4200mm~4500mm(+1350mm).Existingresourcesandanalysisofthesituation(1)asaresultofafireenginechassisrequiremorepersonalized,two-rowseatcabchassisplantingeneralverydifficulttoaccomplish,mostoftheexistingmanualsystemusedtocompletethecostofthebasicrestructuringofthe111million.(2)typicallyselectedfromedgeQinchuanGearFactoryinShaanxiProvinceandpartofafireenginemanufacturerstodeveloptheirfullpowerfromthepowerdevice.ModelofPowerinpricefrom0.17millionyuaninaboutheavyvehiclesaccesspricesofPower113~115million.(3)aretheinstallationofchassisimportedfireenginesfromfullpowerforce,andmadeonlyChongqingIsuzuchassissupportingthedevelopmentofpowerfromfullpower,andnottoinstall.Domesticmarketdemandforfireenginesareabout3000peryear.HowtogivefullplaytotheadvantagesofChinese-madechassis,revitalizenationalindustry,vigorouslydevelopthedomesticfireengines,eachchassismanufacturersshouldpayattentiontotheissue,otherwise,continuinginfluxofforeignbrandsintoday,wewilllosethispartoftheconversionoftheirowncarmarket.DomesticandforeignproductionoffoamfireenginesusedtoprovidethevehiclemanufacturerGeneralMotorschassisII.Itsdedicatedpowerdevicesincludeaccess,andwatertankfoam,equipmentboxes,pumpingstations,firepumps,vacuumpumps,theproportionofmixedfoamandfiregunsandotherdevicesofitsworkingprincipleis:throughthepowerdevicefromthevehiclechassisenginepoweroutputandbyagear-drivenfirepumpthroughthefirepumpandfoammixingratioofwaterandfoamdeviceaccordingtoacertainpercentageofmixed,andthenbythegunfireandfire-fightingfoamextinguishinggunsmoke.Therefore,therequestmustmeetcertainchassisandenginepoweroftheload.Atpresent,nationalstandardshavebeendeveloped,basedonthechassisselectedGB6244286"genericfireenginechassisseries,type,thebasicparametersandtechnicalrequirements"ofthenationalstandardsforselection,accordingtoindustrystandardsGA3915292"Generaltechnicalrequirementsfoamfireengine,"therequirementsofAppendixAchoiceofenginespowertomeetitsrequirements.PoweroutputdeviceDomesticuseoffoamfireenginesfromthemainvehicleenginepowermeanstakingpowerdevicelayoutcantakemanyforms,andheavy-dutyfoamfireenginescurrentlyinuseareplacedinpowerwilltakethemaintransmissionbetweentheclutchandgetthesandwich-typeforcedevice(front-transmission)andcheckpowertransmissionshaft(rear-mountedtransmission)intwoforms.Checktheuseofsandwich-typemainenginepowerwilltakeoutthepowertransmittedbythedrivesystemofpumps,pump-drivenoperation,canachievedouble-actionfeature.Atpresent,mostoftheuseofthisform.Water-foamtankWater-foamtankfoamfireextinguishingagentfireenginesontheloadingofthemaincontainer,inaccordancewiththedevelopmentoftheindustrycanfireavarietyofmaterials,onbehalfofthelastcenturytheuseofglassfiberreinforcedpolyestermaterial,nowthattheapplicationoftheprogressivedevelopmentofhigh-qualitycarbonsteelmaterialsandstainlesssteelmaterials.EquipmentboxesTheuseofequipmentboxesweldedsteelframestructure,withenoughaluminumalloyorsteelplate.Inrecentyears,theequipmentlayoutoftheinternalstructureofboxcanbedividedintofourtypes:fixed-delimitedfiletype,thatis,separatedbyfilesofvariousframeworkisfixed,non-regulation;activitiesseparatedbyfiletype,thatisseparatedfromtheframeworkoftheproductionofaluminumalloyprofileslocatedwithintheDespatternplate,adjustableinterval;slidingdrawertype,thatis,theproductionofpush-pulldrawerforeasyaccesstotheformofequipment,buttheproductionofmorecomplex;rotatingframe,theseparationoffilesystemisabouttomakeasmallrotatingequipmentcanbeseparatedfiles,foreignTheimportofthisformofuseoffireengines.Atpresent,thenewmodelsmadeuseoftheintegrateduseoffourforms,Structuredaccordingtotheactuallayout.FirepumpAtpresent,thefoamfireenginefirepumpconfigurationcanbebroadlyclassifiedintothreecategories:pressurepump(lowpressurepump),orsingle-stagecentrifugalpump,suchasBS30,BS60,BS40,R100(imported),etc.;inthecombinationoflowpressurefirepumps,multi-stagecentrifugalpump.If20110/20140,20110/30160,20110/35170,KSP1000(imported),etc.;highandlowpressurepump,suchastheNH20,NH30(imports),40110/6130andsoon.Equippedwithfirepumpsinthehomeandposttheminutes.PumpingStationPumpingstationandequipment,likeme,morethanjusttypetheframeworkforthewholeweldedstructure,inadditiontoplacementoutsidethefirepump,generalpumpisalsoavailablewithspace-relatedequipmentinordertooperatethefiredepartment.Keyword:Fireengines;chassis;marketdemand附录B消防车专用底盘的市场需求及配置方案分析Mahoney.G经过调研了解到,消防车辆的市场总量,2002年为2800辆,2003年3000辆,预计2005年将达到4000辆。市场对消防车辆的需求主要以中、重型车辆为主。其中中型车(载质量8～10t)占市场总量的40%,重型车占市场总量的60%,并且重型车的市场份额呈现迅速上升的趋势。从区域市场来看,国内南方地区中型消防车的使用,占据市场份额达60%,重型车辆占30%,其余10%基本为5t以下的车辆;北方地区中型车辆占50%,重型车占40%,其余为5t以下的车辆。现有市场消防车辆的驾驶室结构,较多地采用4开门双排座驾驶室,约占市场总量的80%。但目前国内底盘产品的驾驶室一般为平头排半或单排,消防车生产厂家均采用手工完成双排驾驶室的改制,改制后的内饰不能与原车内饰很好地统一。市场需求配置分析(1)驾驶室:要求双排、四开门,后门采用与前门一样的2级踏步,尽量要宽,一般为800mm～850mm,以便成员快速进出。同时要求在第二排乘员座位后预留安装空气呼吸器的空间,即后围板距离门立柱200mm～230mm。乘员4～6人。驾驶室内要配置取力控制操纵机构及配置双缸液压驾驶室翻转装置。(2)发动机:中型车发动机功率一般要求为157～172kW;重型车发动机功率要求为209～261kW。发动机要配全程调速器,同时符合欧Ⅱ排放标准。(3)取力器:要求配置夹心式全功率取力器,输出转速3000rpm左右,旋向与发动机一致,具体速比可按照消防泵的要求选择。取力器输出法兰中心要位于车架中心线位置,中心距车架上平面160mm左右。(4)油箱、储气筒、空滤器的布置要求:油箱要求小容积,180～200L容量,筒式。储气筒要求置于大梁内侧,便于改装布置。空滤器要求立式安装于驾驶室后部,便于维修和安装,同时,最大限度地满足车架较大的可利用长度。(5)轴距:中型车要求轴距4500mm左右,重型车要求轴距在4200mm～4500mm(+1350mm)。现有资源的状况及分析(1)由于消防车底盘的个性化要求较多,驾驶室双排座一般底盘厂很难完成,目前大多数采用手工改制完成,改制成本基本在111万元左右。(2)取力器一般选用陕西秦川齿轮传动厂及部分消防车厂家自已研制的全功率取力器。中型车取力器价格在017万元左右,重型车取力器价格在113～115万元左右。(3)进口消防车底盘均加装全功率取力器,国产底盘仅有重庆五十铃配套开发全功率取力器,但未加装。开发建议国产消防车的市场需求均在每年3000辆左右。如何充分发挥国产底盘的优势,振兴民族工业,大力发展国产消防车,是每个底盘生产厂家应该关注的问题,否则,在国外品牌不断涌进的今天,我们将丧失本该属于自己的一部分改装车市场