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铁路干线提速改造工程,利用区间正线天窗点封锁,拨移短轨曲线与新建工程线连接,实现工程车辆在正线与工程线间的进出,进行架梁、卸料、大型养路机械捣固、电化作业车立杆放线等施工作业。解决了区间正线不能铺设临时道岔的难题。具有施工方便,劳力材料耗费小,对正线运行影响小,限速要求条件低,保证行车安全,占用天窗点时间短,作业效率高等特点。近几年来,本方法不断研究改进,逐步得到优化,有推广价值。
The project of speeding up and reforming of railway trunk lines shall be closed by the use of the positive sunroof point at the interval and the short track curve should be shifted to connect with the new construction line so as to realize the entry and exit of construction vehicles between the main line and the construction line and carry out racking and unloading and large- , Electrochemical truck pole release line and other construction operations. Solve the problem of the temporary crossing can not be laid on the positive line of the interval. The utility model has the advantages of convenient construction, labor-intensive material consumption, small influence on the positive line operation, low requirement speed limit, guaranteed traffic safety, short time of occupying sunroof and high operation efficiency. In recent years, this method continues to study and improve, and gradually be optimized, there are promotional value.