轨道交通专业术语中英文对照

轨道专业术语中英文对照表

中文名称英文对照

一、道岔turnout

道岔和交叉turnout and crossings

单开道岔simple turnout

对称道岔bilateral turnout

三开道岔symmetrical double turnout/three-throw turnout/tandem turnout 菱形交叉diamond crossing

交分道岔slip switch

复式交分道岔double slip switch

单式交分道岔single slip switch

单渡线Single crossover

渡线Crossover

交叉渡线scissors crossover

套线overlapping of lines

套线道岔mixed gauge turnout

左开道岔left hand turnout

右开道岔right hand turnout

高速道岔high-speed turnout

提速道岔speed-up turnout

普速道岔conventional turnout

二、转辙器Switch

可弯式尖轨转辙器flexible switch

间隔铁式尖轨转辙器loose heel switch

转辙角switch angle

三、导曲线（连接部分）lead curve

四、辙叉Frog

高锰钢（整铸）辙叉solid manganese steel frog

钢轨组合辙叉bolted rigid frog

可动心轨辙叉movable-point frog

钝角辙叉obtuse frog

锐角辙叉end frog

曲线辙叉curved frog

辙叉角frog angle

辙叉号数frog number

辙叉心轨理论尖端theoretical point of switch rail

辙叉趾端toe end of frog

辙叉跟端heel end of frog

辙叉趾长toe length of frog

辙叉跟长heel length of frog

辙叉趾宽toe length of frog

辙叉跟宽heel length of frog

辙叉咽喉throat of frog

五、轨件Rail

基本轨stock rail

直基本轨straight stock rail

曲基本轨curved stock rail

尖轨switch rail

直线尖轨straight switch rail

曲线尖轨curved switch rail

护轨guard rail，check rail

翼轨wing rail

心轨point rail，nose rail

异形轨compromise rail

矮形轨flat-web-section rail

特种断面钢轨special section rail

长心轨long point rail

短心轨short point rail

导轨guide rail/closure rail

淬火轨quenched rail

绝缘轨insulated rail

可动心轨swing nose rail

无缝钢轨continuous welded rail （CWR）轨缝joint gap

钢轨接头rail joint

绝缘接头insulated joint

胶结接头glued joint

焊接接头welded joint

冻接接头frozen joint

异形接头compromise joint

六、板件Plate

轨撑垫板tie plate of rail brace

接头平垫板joint flat tie plate

辙跟垫板switch heel tie plate

支距扣板offset fastening plate

垫板tie plate

七、轨枕Sleeper

木枕wooden sleeper

混凝土枕concrete sleeper

岔枕switch sleeper

八、零部件Components

工件workpiece

易损件wear parts

备件spare parts

扣件rail fastenings

弹条Clip

弹性扣件elastic rail fastenings

尖轨补强板reinforcing bar

轨撑rail brace

支撑块support block

支座条bearer strap

低紧扣件low restrain fastening

道钉track spike

间隔铁filler

限位器position-limited device

滑床板slide plate

鱼尾板Fishplate

道岔拉杆switch rod，stretcher bar

道岔连杆connecting bar，following stretcher bar

钢轨伸缩调节器expansion joint

导电销conductive pin

调整楔adjusting wedge

辙跟内轨撑rail brace inside of switch heel

辙跟外轨撑rail brace outside of switch heel

双头螺柱double head bolt

轨距块gauge block

调整片adjustment shim

长方头螺栓rectangle head bolt

接头夹板fish plate，joint bar

接头螺栓fish bolt，tract bolt

螺纹道钉screw spike

轨撑rail brace

补强板reinforcing bar

顶铁Iron/stud/Distance block

调整片adjustable shim

绝缘垫片insulated shim

轨距块是扣轨肢的，顶铁是顶轨腰的，间隔铁一般是和钢轨轨头

下颚和轨肢上颚相接触的。

九、术语Terms

道岔全长total length of turnout/overall length