外文翻譯--慣性與電動(dòng)掛車(chē)剎車(chē).doc

重慶理工大學(xué)翻譯二級(jí)學(xué)院機(jī)械工程學(xué)院班級(jí)學(xué)生姓名原文：eHowCarRepair&MaintenanceBrakeRepair&MaintenanceRepairTrailerBrakesInertiaVs.ElectricTrailerBrakesByEdmundGary,eHowContributorDangerousTsaysmoststateshaveregulationsgoverningtrailersweighingmorethan3,000pounds.Thereislittleifanyregulationfortrailersweighingunder3,000pounds.Ifatrailerisdesignedtocarry3,000pounds,itmusthaveaworkingbrakingsystem.Twotypesofbrakingsystemsareavailable:inertiatrailerbrakesandtheelectrictrailerbrakes.BrakeControllersElectricbrakecontrollersareautomobileoriginalequipmentmanufacturedoraftermarket-installeddevicemodules.Theyactivatethetrailerbrakesandareneededifthetraileruseselectricbrakes.Thecontrollersaremountedonorunderneaththetowvehiclesinstrumentpanelonthedriversside.Thecontrollerscancomeindifferentproductclasses,suchasproportionalorinertiabrakecontrollers.ElectricTrailerBrakesElectricbrakesfeedpowerfromthetowvehiclesbrakelightsintothecontroller.Thetrailerbrakesareactivatedbyaseparateheavy-dutycircuitthroughaplugandsocket.Thisallowsthebrakestoworkautomaticallywheneverthetowvehiclesbrakesareapplied.Properlyadjustedcontrollerscanallowtowvehicleandtrailercombinationtocometoastopassmoothlyasifthetowvehiclewasbyitself.InertiaTrailerBrakesInertiaactivatedbrakesofferssmoothstoppingresponseinmostsituations.AccordingtoRVtechnicianRegDeYoung,theinertiabrakeshasaninternalsensingdeviceorapendulumwhichsensesthetowvehiclesrateofdeceleration.Thesensingdevicethenappliestheamperagetothetrailerbrakesatthesamerateofdecelerationasthetowvehicle.DrawbacksofInertiaandElectricBrakesThependulumoftheinertiabrakesmaynotswingcorrectlybecauseofchangesintheangleorchanges,andthiscanleadtojerkystops,accordingtoHensleyManufacturing.Electricbrakestendheatuptoatemperatureof300degreesFahrenheit.Thischangestheresistanceinthemagnetsinthebrakesystem,whichleadstobrakefade.ConclusionTrailerbrakesareacrucialpieceofequipmentwhenthetrailerhasreachedaspecificweightthreshold.SomestatesintheUnitedStatesmayhaveverylittleregulationoftrailerbrakesforunitsunder3,000pounds,butitisbesttocheckthelocalregulationswherethetrailerwillbeoperated.譯文：慣性與電動(dòng)掛車(chē)剎車(chē)EdmundGaryDangerousT說(shuō),大多數(shù)州都規(guī)定掛車(chē)的重量超過(guò)3000磅。幾乎沒(méi)有任何監(jiān)管對(duì)于3000磅以下的掛車(chē)。如果一個(gè)拖車(chē)被設(shè)計(jì)用于攜帶3000磅,它必須有一個(gè)工作制動(dòng)系統(tǒng)。兩種類(lèi)型的制動(dòng)系統(tǒng)是可用的:慣性掛車(chē)車(chē)剎車(chē)和電動(dòng)掛車(chē)剎車(chē)。制動(dòng)控制器電制動(dòng)控制器是汽車(chē)原始設(shè)備是制造或售后安裝設(shè)備的模塊。他們激活掛車(chē)剎車(chē)，如果需要也激活電動(dòng)剎車(chē)?？刂破鞅话惭b在牽引車(chē)的駕駛員側(cè)的儀表盤(pán)上或下方?？刂破骺梢杂胁煌漠a(chǎn)品類(lèi),如慣性制動(dòng)控制器。電動(dòng)拖車(chē)剎車(chē)電動(dòng)剎車(chē)回饋系統(tǒng)從車(chē)輛的剎車(chē)燈回饋到電控制器中。拖車(chē)制動(dòng)器是由一個(gè)單獨(dú)的電路，通過(guò)插頭和插座重新激活。這允許剎車(chē)自動(dòng)工作只要掛車(chē)的剎車(chē)系統(tǒng)是應(yīng)用的。如果是拖車(chē)本身，適當(dāng)調(diào)整控制器可以讓牽引車(chē)和掛車(chē)組合順利停止。慣性掛車(chē)剎車(chē)激活慣性剎車(chē)系統(tǒng)在大多數(shù)情況下，能提供平穩(wěn)的停止響應(yīng)。根據(jù)房車(chē)技術(shù)員RegDeYoung所說(shuō),慣性制動(dòng)器有一個(gè)內(nèi)部傳感裝置或一個(gè)鐘擺,感應(yīng)掛車(chē)減速的速度。然后，傳感裝置應(yīng)用安培數(shù)使掛車(chē)和牽引車(chē)以相同的速度減速。缺點(diǎn)慣量和電剎車(chē)鐘擺的擺動(dòng)慣性剎車(chē)可能不正確,因?yàn)榻嵌入S時(shí)在變化。這可能會(huì)導(dǎo)致不平穩(wěn)停