What Are the Requirements For Laying the Rail Switch

Edit:Zongxiang Heavy Industry--Carina Date:2018-06-04 16:50:10

As an important rail accessories, rail switch plays an irreplaceable role in railway transportation. Its application perfectly solves the problem of train lane change steering. So, what are the requirements for bifurcation laying? The following are the requirements for bifurcation laying.

The position of the rail switch should be laid according to the design. Difficult conditions, can be in does not affect the effective length and don't change other fields is operating under the condition of equipment, move the rail switch position before and aftery no more than 6.25 m, but the above section station and station, especially the throat area of rail, the largest mobile amount shall not be more than 0.5 m.

National trunk line of rail switch rail type, it shall conform to the main rail type, stop line and local railways, special railways and railway private sidings of switch rail type, can be used not less than type connected to the main line of the rail. When the rail type of switch and the rail type of connecting line are different, a steel rail with the same type of switch shall be installed before and after the switch with a length of not less than 6.25m. Under difficult conditions, the length can be reduced to 4.5m.

When the gap between two front and rear forks is less than 9m, the track turnout rail should be of the same shape or the two forks should be directly connected by different types of rails. The distance between the two kinds of rail switches with track circuit and the distance between them should meet the requirement of setting insulation joint. Insulation joints shall not be provided for connections of different rail types.

After the bifurcation is laid, a temporary steel rail must be installed after the rut is made before the connection line is laid. The sharp rail must be fixed and locked.

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