单开道岔

在车辆道岔系统动态相互作用动力学模型基础上，建立针对新型12号混凝土岔枕单开道岔系统动力学模型，分析21t及25t轴重货车侧向和直向通过该型道岔时系统的动力学特性。

Based on a vehicle / turnout system dynamics model , a new dynamics model of the No. 12 concrete sleeper single turnout is established , and the system dynamics capability of the 21 t and 25 t load wagon passes through the turnout is analyzed .

研究目的：城轨交通线路中的辅助线与正线连接传统方式是采用单开道岔。

Research purposes : The simple turnout is adopted in the traditional way of connecting auxiliary line with main line in urban rail transit .

介绍了60kg／m钢轨18号可动心轨单开道岔分动外锁闭电动转辙机装置的构造，施工措施及施工中需要进行的技术改造。

This is introduced the structure of 60kg / m 18 # single point which can shift the switch point , outside locking electric point install , construction measure and technical reform during the construction .

单开道岔改装对称道岔的方法研究

Study on the method for refitting single switch to symmetric one

实际上相当于四组单开道岔和一副菱形交叉的组合。

In fact equivalent to four single-opened turnout and a diamond-shaped cross-combination .

对单开道岔标准定位有关规定的补充意见

Supplementary Opinion on Single - way Point Standard Positioning

固定辙叉普通单开道岔钢轨纵向温度力与位移分析

Longitudinal Temperature Force and Displacements Analysis of the Split Switch Turnouts with Rigid Frogs

将现有单开道岔改装为对称道岔可免除特殊设计及制作工作，方便施工。

Refitting available single switch to symmetric one can dispense with design and making work .

考虑轮轨之间的多点接触关系，模拟计算了动车组和单节车以80km/h的速度侧向通过18号可动心轨式单开道岔的动力学响应。

Considering multi-contacts between the wheel and rail , the dynamic response of EMUs and single locomotive is simulated and calculated when passing through the No. 18 raising-speed turnout with movable-nose frog at the speed of 80 km / h.