风口地段接触网防风改造方案的探讨

Discussion of Improving Plan for Windbreak of OCS in Windward Section

针对因风发生接触网弓网故障的规律和特点以及已采取防风改造措施后存在的不足,进行分析探讨。提出在直线区段的中心锚结附近和65 m大跨距内,采取不等“之”字值布置法和反定位装置处的水平拉杆改成压管的措施减小接触线风偏。

This paper deeply analyses and studies the improving plan for windbreak in accordance with the objective law and character of the faults between pantograph and OCS caused by wind, and the remaining shortcoming after wind preventive measures being taken. It proposes to adopt variable stagger arrangement and to change the horizontal tension link on push-off device into the compression link so as to reduce the deflection of contact wire in area adjacent to mid-point anchor in straight line and in large span length up to 65 m.