Description
Technical Parameters
Global Types & Standards
| Type | Design | Application | Standards |
|---|---|---|---|
| C-clip | Open-loop "C" profile | Conventional tracks | China TB/T 1495 |
| E-clip | Closed-loop, boltless | HSR slab tracks | Pandrol Fastclip (UK) |
| W-clip | Twin-leg symmetric | Heavy-haul lines | Vossloh W14 (Germany) |
| Nabla clip | Triangular cross-section | LGV high-speed lines | EN 13481-1 (EU) |
Key Technical Parameters
| Parameter | C-clip | E-clip | W-clip | Test Standard |
|---|---|---|---|---|
| Wire Ø (mm) | 13±0.2 | 18±0.2 | 20±0.3 | GB/T 3428 |
| Free height (mm) | 120±1 | 115±1 | 130±1 | EN 13481-5 |
| Working deflection (mm) | 8-12 | 10-14 | 12-16 | UIC 864 |
| Toe load (kN) | ≥8.0 | ≥10.0 | ≥14.0 | TB/T 3396 |
| Fatigue life (10⁴ cycles) | 200 | 500 | 300 | EN 13146-5 |
| Dynamic stiffness (kN/mm) | 50±10 | 40±5 | 60±8 | ASTM E1876 |
Railway Track Core Components Technical Comparison
| Component | Primary Function | Common Types | Material | Key Parameters | Applications |
|---|---|---|---|---|---|
| Elastic Clip | Secures rail with elastic force | - C-clip (Type II) - E-clip (Pandrol) - W-clip (Vossloh W14) |
60Si2MnA spring steel | - Toe load: 8-16kN - Fatigue life: ≥5M cycles - Dynamic stiffness: 40-60kN/mm |
HSR/Heavy-haul/Conventional |
| Rail Spike | Mechanical rail fastening (wooden ties) | - Dog spike - Screw spike |
Q235A carbon steel (galvanized) | - Pull-out force: ≥40kN - Torque: 150-200Nm |
Traditional timber tracks |
| Fishplate | Connects rail joints | - Standard (4/6-hole) - Insulated type |
Cast steel (ZG230-450)/Aluminum alloy | - Tensile strength: ≥500MPa - Insulation: ≥10⁹Ω (insulated) |
Jointed tracks/turnouts |
| Fastening System | Integrated rail fixation | - WJ-7/WJ-8 (China) - Pandrol Fastclip (EU) - Vossloh 300 (Germany) |
Multi-component assembly | - Gauge adjustment: ±10mm - Insulation: ≥10⁸Ω - System fatigue: 3M cycles |
Ballastless/Ballasted tracks |
| Sleeper | Distributes load, maintains gauge | - Timber (pine/oak) - Concrete (Type III) - Composite (HDPE+fiber) |
Wood/Prestressed concrete/Composite | - Timber life: 15-30y - Concrete life: 50y - Composite insulation: ≥10¹²Ω |
Conventional/HSR/Special environments |
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