Description
Technical Parameters
Core Functions
- Mechanical fixation: Provides vertical, lateral, and longitudinal restraint forces (dynamic stiffness 40-60 kN/mm)
- Elastic buffering: Absorbs wheel-rail impact energy via elastic components
- Insulation: Blocks current flow between rail and sleeper (essential for electrified railways)
Classification (By Working Principle)
| Type | Mechanism | Typical Models | Applications |
|---|---|---|---|
| Elastic Fastener | Spring steel deformation (8-12 kN) | Chinese WJ-8, German e-clip | HSR/Heavy haul |
| Rigid Fastener | Mechanical bolt locking | Russian KPO | Conventional lines |
| Direct Fixation | Chemical anchoring to slab track | Japanese RN type | Metro tunnels |
| Vibration-absorbing | Integrated rubber dampers | Cologne Egg system | Urban sensitive areas |
Application
Track clamps are mainly used to prevent rail displacement in the vertical, longitudinal and lateral directions to ensure train safety and track structure stability.
Gnee-Rail Clamp workshop
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