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
钝角辙叉
obtuse frog
锐角辙叉
endfrog
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
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/tandemturnout
套线道岔
mixed gauge turnout
左开道岔
left hand turnout
右开道岔
righthand 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
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
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
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
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
补强板
reinforcing bark
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
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
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
前长
Front length
后长
Rear length
道岔中心
centre of turnout
道岔号数
turnout number
道岔始端
beginning of turnout
道岔终端
endof turnout
道岔主线
main line of turnout
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
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
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
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