轮机英语（二三管轮）Lesson 22 Deck Machinery.ppt

Unit2AuxiliaryMachineryLesson22DeckMachinery22.1Hydrauliccrane22.2Windlasses22.3Mooringwinch22.4CapstansandWarpingHeadsNewWordsandExpressionscrane[kre?n]n.起重机；吊车winch[w?nt?]n.绞车；卷扬机cranejib起重臂；吊臂brake[bre?k]n.刹车；制动器；车闸servomotor[s??v??,m??t?]n.伺服电机；伺服马达slewing[?slu???]n.回转，转向axialpistonpump轴向活塞泵checkvalve止回阀，止逆阀NewWordsandExpressionswindlass[?w?ndl?s]n.锚机hoist[h??st]v.吊起；提升；拉高anchorchain[???k?(r)t?e?n]锚链；drum[dr?m]n.卷筒sprocket[?spr?k?t]n.链轮；链轮齿；链齿wildcat[?wa?ldk?t]n.锚链轮whelp[welp]n.（链轮的）扣链齿，绞盘肋骨hawsepipe锚链管；NewWordsandExpressionssimultaneously[?s?m?l?te?ni?sli]ad.同时；联立；急切地warpinghead卷筒；绞缆筒stalling[?st??l??]v.航行失控；停止shelter[??elt?(r)]v.使遮蔽，庇护mooring[?m??r??]n.系泊；系泊设备；停泊slack[sl?k]a.松弛的；懈怠的spurgear正（圆柱）齿轮wormgear蜗杆齿轮；蜗轮NewWordsandExpressionscapstan[?k?pst?n]n.（立轴）绞盘，绞车gypsy[?d??psi]n.绞车副卷筒，锚机滚筒gypsyhead绞缆筒fiber[fa?b?]n.（动植物的）纤维;hatch[h?t?]n.(船甲板或飞机底部装货物的)舱口Boththeluffingwinchandthewinchforturningthecraneareoperatedfromthesamecontrolhandle.Asmallmovementofthiscontrolhandleseitherforwardsorbackwardsresultsinthebuild-upofoilpressureinthecontroloillineandthepistoninthebrakecylinderreleasesthebrake.Movementofthecontrolhandlefurtherthanthepositionforreleasingthebrakestartstheluffingwinch.Thecranejibisraisedorloweredbymovingthecontrolhandlebackwardsorforwardsrespectively.Thespeedatwhichthejibisraisedorloweredisproportionaltothedistancethehandleismoved.Changesinspeedareeffectedbychangingthepressureoftheoilthatissuppliedtothecontrolcylinderandwhichregulatesthepumpbymeansofaservomotor.Thischangestheoilflowandthusthespeedoftherotorinthehydraulicmotor.HydrauliccraneThesafetysystemconsistsof:amainsafetyvalve;twopressurereducingvalves.Thesle