Type V Track Fastening Systems for High-Speed Railway is an elastic track fastener designed to adapt to the laying of prestressed concrete ballasted tracks with shoulder sleepers and to meet the technical requirements of the passenger dedicated line fastener system.
| Type V Fasteners System Component List | ||
| Item | Quantity | Material |
| Rail clip | 2 | 60Si2MnA |
| Screw spike | 2 | 20MnTiB |
| Flat washer | 2 | Q235A |
| Space pieces | 2 | Q235A |
| Gauge apron | 2 | Rubber |
| Rail pad | 1 | EVA, or rubber |
| Adjustable pad | 1 | PE |
| Plastic dowel | 2 | PA66 |
The Type V Track Fastening Systems for High-Speed Railway meets the following operating conditions:
Passenger dedicated line with the maximum speed of 350km/h: axle load of 170kN (considering that axle load may increase by 10%).
The maximum speed of 250km/h passenger dedicated line (taking into account freight): the maximum axle load of passenger cars is 230kN (passenger locomotive); the maximum speed of trucks is 120km/h, and the maximum axle load is 250kN.
Specifications of Type V Elastic Clip Fastener
| Fastener type | Type V- Rail Fastener | ||
|---|---|---|---|
| Taxonomy | Elasticity is not separated | ||
| Withstand lateral forces | Suspended by the sleeper shoulder | ||
| Connection with the foundation | Embedded plastic sleeve | ||
| Embedded part pull-out resistance | Not less than 60kN | ||
| Rail Clip | Types of | W2 type | Type X3 |
| Buckle pressure | >10kN | 4.5kN | |
| Stretch range | 12mm | 9.5mm | |
| Fastening method | Bolted | ||
| Tightening torque | About 160Nm |
About 95Nm |
|
| Rail longitudinal resistance | >9kN | 4kN | |
| Elastic cushion | Settings | Single-layer rubber pad between rail and sleeper bearing surface | |
| model | RP5 | CRP5 | |
| Size | 185×175×10 | 185×175×11.2 | |
| Static stiffness | 50~70 kN/mm | ||
| Executive standard | Technology Foundation [2007] 207 | ||
| Rail height | High rail surface | 186mm | 187.2 |
| Adjustment | 10mm | ||
| Adjustment method | Under the pad into the height adjustment pad | ||
| Gauge | Adjustment | -8~+4mm | |
| Adjustment method | Replace the different number gauges |
||
| Adjustment level | 1mm | ||
| Rail joint processing | Connector is generally applicable | ||
| Applicable sleeper type | Type IIIa pillow with shoulder block | ||
| Drawing number and standard | Research Line 0602 Technology Foundation [2007] 207 |
||
| Application conditions | 250 to 350 km / h | ||
| Both conventional resistance and small resistance sections on the bridge apply | |||