关于接触网线索转角和拉线基础偏角的探讨

关于接触网线索转角和拉线基础偏角的探讨

摘要：对接触网非支线索转角进行了受力分析，找出了转角产生的原因，得出了相关公式。对拉线基础偏角的分析和计算，结合实际工程提出了测定和检验方法。

关键词：接触网；线索转角；拉线基础偏角；施工测量

中图分类号：u452.1+3 文献标识码：a 文章编号：investigation and discussion about the intersection angle and the excursion angle of back stay foundation of over head contact line

abstract：according to the overhead contact line is analyzed by the force, have found out the case that the intersection angle, and reached relevance formula. base on the analyzing and calculating that the excursion angles of back stay foundation, having brought forward an admeasurement with a view of the actual project checks method.

key words：overhead contact line；intersection angle；excursion angles of back stay foundation；construction measured

1.引言

《铁路电力牵引供电设计规范》及《接触网运行检修规程》对于锚段关节内线索转角规定为“正线接触悬挂工作支改变方向时，该线与原方向的水平夹角不宜大于4°，困难情况下不宜大于6°”