沥青混凝土摊铺机组成

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ConstructionMachinery工程机械运用技术专业国家级教学资源库Components02Productiveprocess03Function01Unit14AsphaltMixturePavers沥青混凝土摊铺机Part1NewWordsNewWords&Expressions1）vibrator[vaɪ'breɪtə]n.振动器2）crowning['kraʊnɪŋ]n.路拱3）screedplate熨平板4）screedunit熨平装置5）deliverytruck运料卡车6）convey[kən'veɪ]vt.输送，传递7）automaticlevel自动水准仪8）dependupon依赖，取决于9）sidearm牵引臂Part2TextTextComponentsAcrawler-mountedself-poweredasphaltpaverisshowninFig.14-1.TextFig.14-1crawler-mountedasphaltpaveroperator'scabinhopperdragconveyerpushrollerrunninggearsidearmenginescreedunitoperatingtable923418765TextThescreedunitequippedwithvibrator,heatingunit,crowningdeviceandscreedplateisthemostimportantpartofapaver;Itcomprisestwomainsectionstoformthebasicscreedandextensions,whicharebuiltouttotherequiredwidth.Thescreedunitmaybeequippedwitheithertampersorvibrators.TextThehopperwillholdsufficientmaterialtoenablethepavertoworkduringthechangeoverofdeliverytrucks.Thisensuresacontinuityofactionthatisessentialtoobtainasmoothmat.Thematerialisconveyedfromthebottomofhopperviaapairofflowgatestotheaugerboxwhichcanbeadjustedindependentlytoprovideclosecontroloftheflow.Text

Anasphaltpaverisusuallypoweredbyadieselengine.Toassisttheoperatortoachieveaccuracyofmatlevel,thepaverhasacompletesystemofautomaticlevelcontrol.Thequalityofthelaidmatdependstoagreatextentupontheskilloftheoperatorandtheeasewithwhichthepavercanbehandled.Part3ReferenceTranslation参考译文组成一个履带自行式的沥青摊铺机如图14-1所示。配备振动器、加热装置、调拱装置和熨平板的熨平装置是摊铺机最重要的部件。它包括两个主要部分，构成基本熨平板和延伸部分，可以扩展到所需的宽度。熨平装置上可配备振捣夯或振动器。料斗将容纳足量的混合料，以使摊铺机在供料卡车交替期间也有料摊铺，可以保证连续施工，这对于获得一个光滑的铺层表面是非常重要的。参考译文图14-1履带式沥青摊铺机操作室料斗刮板输送机推辊行走装置牵引臂发动机熨平装置操作台923418765参考译文混合料从料斗底部通过一对料门被输送到螺旋分料仓，可以独立地控制螺旋以实现对料流的精确控制。通常，沥青摊铺机由柴