high quality rail w clip is indispensable on every rail, and is generally set at the dividing line of the switch, where the railway group is dense, and is also common in some train stations. The emergence of high quality rail w clip enables the train to change from one strand of track to another, and to another extent, also reduces the laying of rails. After all, high quality rail w clip is a particularly weak link on the rail, we should fully understand the high quality rail w clip in order to better play its utility.

A switch is a kind of line connection device that transfers rolling stock from one track to another. It is usually laid in a large number of stations and marshalling stations. With the turnout, the passing capacity of the line can be fully utilized. Even for a single-track railway, laying a switch and building a fork that is larger than the length of the train allows it to run opposite trains.

Because the turnout has the characteristics of large number, complex structure, short service life, limited train speed, low running safety, and large maintenance and maintenance investment, it is called the three weak links of the track with curves and joints. There are three basic forms of it: the connection of the line, the cross, the combination of the connection and the cross. The common line connection has various types of single switch and multiple switch; There are straight cross and diamond cross; The combination of connecting and crossing includes crossing switches and crossing crossings, etc.

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