列车编队运行方式研究

Research on the Formation Mode of Train Operation

为缩小列车追踪间隔,提升系统整体性能,将编队方法引入列车运行中,提出列车编队通过车站的4种形式:顺序接发式,队内越行式,编队被穿行式和编队侧线让行式.以顺序接发式通过车站的某列车编队在满足区间闭塞条件下,其最小追踪间隔(无裕量)可缩小20%左右.队内越行式可实现编队内部越行,且越行列车直接通过车站进一步减少了整个编队通过车站的时间.编队被穿行式实现了让编队外部跟行列车对整个编队的越行,但其间经历编队被解散又恢复的过程.编队侧线让行式避免了被越行时解编的出现,当然该形式中咽喉区道岔要满足一定要求.通过对每种形式特性进行详细的计算和分析,说明引入的列车编队运行方式是有效的.

In order to reduce the tracking interval between trains,the formation method of train operation is introduced,so that the transport capacity of the railway system could be increased.Four types are raised for the train formation passing through station.They include the sequential reception and departure type,the internal overtaking type,the type of being crossed and the type of being overtaken.With meeting section blocked,it is calculated that the tracking interval（no margin）can be cut down by about 20% when the formation goes through station by the first type.In addition,the formation passing time by the second type has been obviously decreased because the following formed one overtakes the preceding one without stopping.Using the third type,the formed trains are passed individually by other trains at the different stations during which they are dissolved and reformed.Finally,without being dissolved,the formation is overtaken as a whole at a time if the key turnout of throat area meets certain requirement.Detailed calculations and analysis of each type shows that train formation operation is validated.