22kg Mine Track Laying Standard

22kg mine track laying standard

1. The rail type adopts a 22Kg/m rail, gauge: 600mm, and the allowable error is not more than 5mm and not less than 2mm.

2. Flatness of track joints: the gap of track joints should not be greater than 5mm, and the height and left and right errors should not be greater than 2mm. The distance between sleepers must be 500mm at the track joints.

3. The level of the rail surface: the two strands should be level, and the error should not be greater than 5mm.

4. Rail type: Use the same type of rail, and it is strictly forbidden to mix it.
5. Quality of sleepers: Do not use rotten sleepers.

6. Sleeper spacing: the spacing is 1000mm (middle to middle), and the error is ±50mm.

7. Track laying: The track is re-laid, and the sleepers are made of wooden sleepers and I-beam sleepers, wooden sleepers, and industrial sleepers.
The word “steel sleepers” are laid alternately in turn.

8. Fasteners: The splint, bolts, and spring pads are complete and consistent with the rail type. Each splint must be installed with four screws.

Each bolt must be equipped with a spring washer, and the bolts must be used in one positive and one reverse direction, and the number of bolts must be complete, close, and tight. solidly valid.

9. Road studs: There shall be no less than 4 road studs connecting each sleeper to the track. The road studs must be tightened so that the sleeper and the track are connected.
Close together, the road stud floating away from not more than 2mm.

10. Turnout: the tip of the tip rail is closely attached to the basic rail, the gap is not more than 2mm, there is no jump, the top surface of the tip rail is 20mm wide, and the height of the basic rail is high. The difference shall not be greater than 2mm.

11. Track bed: The track bed should be kept clean, the ballast slag should be tamped solidly, and the track or track wood should not be loosened by foot. The track wood should be buried in the floor of the roadway.
The top of the road wood is level with the bottom surface of the roadway.

12. The standard turnout must be used, and the specification shall not be lower than the basic rail specification (22 kg/m).

13. When the track is laid, it is necessary to ensure that the floor of the roadway is flat, and there must be no accumulation of slag and debris.