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ZDK type single turnout symmetrical turnout top technology

价格 19.00元/套
total supply
7822 套
MOQ
1 套
brand
顺源
area
ShandongJining City
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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area:Shandong Jining City

Member level:corporate memberYear1

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Jining Hongxin Machinery Equipment Co., Ltd.

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Product Details
重量:
1000kg

携带一束鲜花来到您的身旁,花儿浓缩了我对您的祝福,绿叶饱含着对根无限的情义,千万个祝福企盼健康欢欣,温馨喜悦富裕平安都与您同在,愿我的鲜花能带给您无数幸福喜悦。道岔生产厂家,道岔规格型号,道岔生产批发,道岔价格报价

由于道岔�0�2 道岔具有数量多、构造复杂、使用寿命短、限制列车速度、行车安全性低、养护维修投入大等特点,与曲线、接头并称为轨道的三大薄弱环节。它的基本形式有三种:即线路的连接、交叉、连接与交叉的组合。常用的线路连接有各种类型的单式道岔和复式道岔;交叉有 直交叉和菱形交叉;连接与交叉的组合有交分道岔和交叉渡线等。   道岔是个大家族,最常见的是普通单开道岔。它由转辙器、连接部分、辙叉及护轨三个单元组成。转辙器包括基本轨、尖轨和转辙机械。当机车车辆要从A股道转入B股道时,操纵转辙机械使尖轨移动位置,尖轨1密贴基本轨1,尖轨2脱离基本轨2,这样就开通了B股道,关闭了A股道,机车车辆进入连接部分沿着导曲线轨过渡到辙叉和护轨单元。这个单元包括固定辙叉心、翼轨及护轨,作用是保护车轮安全通过两股轨线的交叉之处。
     岔道(3张)  大家可能已经发现,车轮在通过辙叉时,从两根翼轨的最窄处到辙叉心的最尖端之间有一段空隙,这就是道岔的有害空间。车轮通过此处时,有可能因走错辙叉槽而引起脱轨。设置护轨的目的也就在此,它要强制引导车轮的运行方向。尽管如此,这个有害空间存在限制了列车通过道岔的速度,对开行高速列车十分不利。   解决道岔有害空间的根本之道,当然是消灭有害空间。既然普通道岔做不到,就必须研制特殊道岔——活动心轨道岔。   活动心轨最主要的特点是辙叉心轨可以板动。当我们要开通某一方向股道时,活动心轨的辙叉心轨就与开通方向一致的翼轨密贴,与另一翼轨分开,这样一来,普通道岔的有害空间就不存在了。实践证明,消灭了道岔有害空间,行车更加平稳,过岔速度限制较小,因而特别适合运量大,需要开行高速列车的线路使用。

济宁宏鑫工矿设备有限公司,成立于2008年,专业生产道岔,质量一流,价格便宜。欢迎来电咨询选购!

联系人:王小草

电话:0537-2202266

手机:15705477596

QQ:734435053

阿里旺旺:shunyuangk40

  
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