2023學(xué)年完整公開課版Constructional Elements of Shield Machine

ENGLISHFORSHIELDCONSTRACTIONUnitFour——ConstructionalelementsofShieldMachine1.Knowwelltheconstructionalelementsof

shieldmachine;

掌握盾構(gòu)機的組成

2.Graspthefunctionofeachpartofshieldmachine！

理解盾構(gòu)機各部分的功能objectives（目的）ContentsTask2Task1Task3VocabularyHaveSomeFunConstructionalpartsofShieldMachine專業(yè)詞匯學(xué)習(xí)輕松一下盾構(gòu)機的組成Seite4Task1：Vocabularyconstructionalelement結(jié)構(gòu)元件mostlyadv.主要地，通常地softsoilstratum軟土地層compositestratum復(fù)合地層arrangementn.布置，安排inprinciple原則上，大體上sectionn.塊，段，部分severalpron.幾個，數(shù)個decametern.十米evenadv.甚至，還cuttingwheel刀盤driven.驅(qū)動thrustcylindern.推進油缸erectorn.管片拼裝機submergewall水下隔墻pressurebulkhead壓力隔板feedline進料管returnline回流管，出渣管Seite5Task1：Vocabularypersonnellock人閘screenn.濾網(wǎng)，濾板alikeadj.相似的，相同的aspectn.方面，外觀，方向hardrockstratum硬巖地層cuttingtool切削工具quiteadv.很，相當(dāng)componentn.零件，組成要素locatev.位于，坐落于improven.改善，提高flowability流動性，流動能力separatev.分隔，隔開pressurizedadj.帶壓力的atmosphericadj.大氣的drivemotor驅(qū)動馬達(dá)chosenadj.選定的advancingn.推進，前進pushout推出，伸出Seite6Task1：Vocabularythrustforce反推力headinglength掘進長度，掘進距離retractv.縮回，撤退，撤回correspondingadj.對應(yīng)的，相應(yīng)的positionn.位置dependonsth取決于…….ultimatelyadv.最后地，最終地launchshaft始發(fā)井backupsystem后配套系統(tǒng)sewagepipe污水管ventilationsystem通風(fēng)系統(tǒng)controlcabin主控室greasesystem油脂系統(tǒng)back-fillgrouting壁后注漿auxiliaryadj.輔助的，附加的Task2:ConstructionalpartsofShieldMachineShieldmachineisakindofmechanicalequipmentweusetoexcavatetunnelsunderground.Andmostlyinsoftsoilstratumandcompositestratum.ThearrangementofthemostimportantconstructionalelementsofashieldisshowninFigure4-1andFigure4-2.Inprinciple,ashieldmachineisdividedintothreesections:frontshield,middleshieldandshieldtailortailskin.Andusually,itstotallengthwouldbeseveraldecametersorevenmorethanahundredmeters.softsoilstratum軟土地層compositestratum復(fù)合地層arrangement安排，布置constructionalelement結(jié)構(gòu)元件Inprinciple原則上講，一般來說totallength總長，全長decameter十米Task2:ConstructionalpartsofShieldMachineShieldmachineisakindofmechanicalequipmentweusetoexcavatetunnelsunderground.Andmostlyinsoftsoilstratumandcompositestratum.盾構(gòu)機是一種機械設(shè)備，我們用它在地下開挖隧道，大多數(shù)情況下，是用在軟土地層和復(fù)合地層中。Task2:ConstructionalpartsofShieldMachinecompositestratum復(fù)合地層

softsoilstratum軟土地層Task2:ConstructionalpartsofShieldMachineInprinciple,ashieldmachineisdividedintothreesections:frontshield,middleshieldandshieldtailortailskin.固定短語：bedividedinto被分為....大致上，盾構(gòu)機被分為3部分：前盾，中盾和盾尾。Task2:ConstructionalpartsofShieldMachine練習(xí)：固定短語：bedividedinto被分為....盾構(gòu)機分為3種類型：敞開式盾構(gòu)機，半敞開式盾構(gòu)機和閉胸式盾構(gòu)機。Shieldmachinescanbedividedintothreetypes:theopentypeshield,thepartiallyclosedtypeshieldandtheclosedtypeshield.Task2:ConstructionalpartsofShieldMachineFigure4-1Constructionalelementsofanearthpressurebalanceshield

管片拼裝機

驅(qū)動

刀盤

推進油缸螺旋輸送機

螺旋輸送機驅(qū)動

傳送皮帶Task2:ConstructionalpartsofShieldMachineFigure4-1ConstructionalelementsofanearthpressurebalanceshieldCuttingwheel

刀盤Drive驅(qū)動Thrustcylinder

推進油缸Screwconveyor螺旋輸送機Erector

管片拼裝機Conveyordrive螺旋輸送機驅(qū)動Conveyorbelt

傳送皮帶Beltconveyor

皮帶輸送機Task2:ConstructionalpartsofShieldMachineFigure4-2Constructionalelementsofaslurryshield

隔水墻盾殼

人閘，人倉

壓力隔板

盾尾密封

巖石破碎機

格柵

進泥管

排泥管Task2:ConstructionalpartsofShieldMachineFigure4-2ConstructionalelementsofaslurryshieldSubmergedwall

隔水墻Personnellock人閘，人倉Pressurebulkhead壓力隔板Shieldtailseal盾尾密封Stonecrusher巖石破碎機Screen篩網(wǎng)，濾網(wǎng)Feedline進泥管Returnline排泥管Submergedwall

隔水墻Pressurebulkhead壓力隔板Itiscalledtailskin.insideit,thereisatailsealsystemthatincludessealingbrushandsealinggrease.Stonecrusher巖石破碎機Task2:ConstructionalpartsofShieldMachineTunnelboringmachineandshieldmachinearealikeinmanyaspects,butTBMisusuallyusedinhardrockstratum,andthecuttingtoolsofitarequitedifferentfromshieldmachine.Thecutterheadisanimportantconstructionalelementoffrontshield,itissetinthemostfrontofshieldmachine.Themainfunctionofcutterheadistoexcavatetunnelface,supporttunnelfaceandmixexcavatedsoilinthechambertoimproveitsfluidity.alikeadj.相似的，相同的aspectn.方面，相位hardrockstratum硬巖地層cuttingtool切削工具bedifferentfrom與……不同constructionalelement結(jié)構(gòu)元件besetin安裝在……，設(shè)置于…..mixv.攪拌，混合chambern.腔，室（此處指土倉）improvev.提高，改善，增進fluidityn.流動性Task2:ConstructionalpartsofShieldMachineAfurtherpartofthefrontshieldisthepressurebulkhead,whichseparatesthepressurizedexcavationchamberfromrestofthetunnelunderatmosphericpressure.Inthecenterofthefrontshieldarethedrivemotorsforthechosen

excavationdevice,withit,cutterheadcanrotateundergroundandexcavatetunnelface.pressurebulkhead壓力艙隔板separatev.使分開，使隔開pressurizedexcavationchamber帶壓泥土艙therestof剩下的，余下的atmosphericpressure大氣壓力drivemotor驅(qū)動馬達(dá)，傳動馬達(dá)chosenadj.選定的，精選的excavationdevice開挖設(shè)備Task2:ConstructionalpartsofShieldMachineAsshieldadvancing,thehydrauliccylindersarepushedoutagainsttheliningtogetathrustforcefromsegmentssothattheshieldmachinecanexcavatetunnelface.Andwhentheheadinglengthisaboutasegmentwidth,shieldmachinestopsandthehydrauliccylindersretractseparately,inthemeantime,segmentsareassembledinthecorrespondingpositionsbyerector.Thehydrauliccylindersaresetinthemiddleshield,andusually,thereare22ofthemormoredependsonthetypeandsizeofshieldmachine.pushout推出，拉出；against靠，倚，針對thrustforce反推力；headinglength掘進長度retractv.回退，撤回；separatelyadv.分開地Inthemeantime同時；assemblev.安裝，組裝correspondingposition對應(yīng)位置erectorn.管片拼裝機；dependon取決于Task2:ConstructionalpartsofShieldMachineAndthereisaunitcalledscrewconveyor,thefrontendofitisinthechamber,anditstailendissetabovethebeltconveyor.Withtherotationofscrewconveyor,themuckexcavateddownbycutterheadcanbedirectlytransportedoutofthechamber,thenconveyedtothemuckcar,andultimately

takenoutbythegantrycranelocatedabovethelaunchshaft.unitn.部件；screwconveyor螺旋輸送機frontend前端；tailend末端，尾端above在….之上；beltconveyor皮帶機muckcar渣土車；ultimately最終，最后takeout取出，運出；gantrycrane龍門吊launchshaft始發(fā)井Task2:ConstructionalpartsofShieldMachineTheback-upsystemofshieldmachinemainlyconsistsofgantries(usually4to6ofthemandnumberedasgantryNo.1togantryNo.6),pipes(includingsewagepipe,waterpipeandsoon),beltconveyor,ventilationsystemandsoon.Andthecontrolsystemsarelocatedinthispartofashieldmachine,includingcontrolcabin,PLCsystem,greasesystem,back-fillgroutingsystemandotherauxiliaryequipment.back-upsystem后配套系統(tǒng)gantry臺車，托車；numberedas用…編號sewagepipe污水管；ventilationsystem通風(fēng)系統(tǒng)；controlsystem控制系統(tǒng)；controlcabin主控室；PLCsystem

PLC系統(tǒng)；greasesystem油脂系統(tǒng)；backfillgroutingsystem壁后注漿系統(tǒng)；auxiliaryequipment輔助設(shè)備Themainfunctionofcutterheadistoexcavatetunnelface,supporttunnelfaceandmixexcavatedsoilinthechambertoimproveitsfluidity.盾構(gòu)機的主要功能是：切削掌子面，支護掌子面以及攪拌在土艙內(nèi)渣土，以改善其流動性。1.cutterhead（刀盤）固定短語Thefunctionof..............的功能是......例句：電腦的功能是上網(wǎng)。Thefunctionofcomputeristosurftheinternet.2.hydrauliccylinders（推進油缸）Thehydrauliccylindersarepushedoutagainsttheliningtogetathrustforcesothattheshieldmachinecanadvancealongtunnelaxis.推進油缸伸出來頂在襯砌上，以此獲得推力，這樣盾構(gòu)機就可以沿著隧道軸線前進了。pushout推出，拉出；against靠，倚，針對thrustforce反推力3.screwconveyor（螺旋輸送機）3.screwconveyor（螺旋輸送機）

Withtherotationofscrewconveyor,themuckexcavateddownbycutterheadcanbedirectlytransportedoutofthechamber,thenconveyedtothemuckcarbythebeltconveyor,andultimately

takenoutbythegantrycranelocatedabovethelaunchshaft.隨著螺旋輸送機的旋轉(zhuǎn)，刀盤切削下來的渣土直接被運出土艙，然后通過皮帶機運到渣土車上，最終，通過在豎井上方的龍門吊運出去。

4.thebackupsystem（后配套系統(tǒng)）

Theback-upsystemmainlyconsis