附表2-1常用内锁闭单开道岔拉杆、连接杆、动程尺寸表(长度单位:mm)钢轨类型kg/m道岔型号设计图号尖轨类型尖轨长度牵引点动程拉杆连接杆一动二动三动一二三一二三距尖端距离动程439TB402-75钢轨6250380152102010511089439专线4112钢轨62503801521020105110894312TB399-75钢轨77003801521015104210721089509TB399-75钢轨6250380152100410301068509专线4141AT6450380152101210471093509专线(02)4151-ⅠAT6450380152101210471093509专线4151AT6450380152101210471093509CZ2209AAT64503801521012104710935012TB399-75钢轨770038015210151021105110685012专线4147AT1130038018080970102310905012专线4144AT77003801525012专线4198AT1130038018080970102310905012专线4257AT1308043016082987103410815018专线4155AT13500380180815018专线(01)4275-ⅠAT21414350160120809871034108810071067609专线4194AT6450380152100710431092609SC511AT6450380152100710431092609CZ577AT124004001607598410951036609SC390CAT124004001607598410951036609专线4116AT6450380152100710431092609专线4197AT6450