既有铁路接触网改造施工常受天窗点的限制,工作内容难以在规定的天窗时间内完成。针对接触网半个锚段位于无电区的情况,利用中锚架设的特点,经过周密细致的组织,拨接开通前提前架设接触网并将半个锚段调整至达到开通的条件,保证在拨接点内完成所有工作量,达到线路开通的目的。 The construction of existing railway catenary is often limited by the sunroof point, and the contents of the work are difficult to be completed within the prescribed sunroof time. Aiming at the condition that the half anchor line of the catenary is located in the non-electric zone, the characteristics of the middle anchor set are used to set up the catenary in advance and adjust the half anchor segment to the condition of opening, Dial-up point to complete all the workload, to achieve the purpose of opening the line.