rail dowel is not desirable on railway lines. rail dowel plays a very important role in the track. So, what are the installation standards for rail dowel? We follow the rail dowel manufacturers to understand together to learn!

1, the rail dowel gauge does not exceed 3 mm after standard expansion, and the gauge deviation before and after the gauge is 3 mm.

2. The horizontal deviation of the two rails in front of the switch rail, straight bend in the middle and after the fork is less than 5 mm.

3. The horizontal direction of the fork road is visually smooth, the 10-meter string does not exceed 10 mm, the curve is round, the positive vector difference between the two points adjacent to the 1-meter string is not more than 2 mm, and the positive vector difference between the two points adjacent to the 2-meter string is 3 mm.

4. The track is smooth before and after, and the amount of 10 meters does not exceed 10 mm.

5. The internal error of the two tracks at the rail dowel connection is 2 mm; It doesn't get any bigger than that.

6, the tool tip guide rail and the basic guide rail closely, the interval is not more than 2 mm, no beating. When the damage length of the switch rail is not more than 100mm, and the top width of the switch rail is 20mm, the height of the basic rail is not more than 2mm.

7, center rail - rail working edge spacing 57 mm; Deviation 2 mm;

8, the rail protection parts are complete, firmly installed, no loose phenomenon.

9. The top width of the center slide rail is 35 mm, the vertical wear of the wing rail neck does not exceed 7 mm, the rivet is not loose, and the weld is not cracked.

10, the sliding bed should be aligned with the bottom of the guide rail, the interval is 2 mm; Can't exceed.

11, the basic guide rail and connection vertical wear is less than 7 mm.

The installation of rail dowel is related to the safety of the route, so we have to follow the standard specifications.

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