Description
Technical Parameters
Railway E Clips
| Specification Category | Details |
|---|---|
| Product Name | Railway E Clips (Also known as E-Retainers, Rail E-Clips, or Spring E-Clips; named for their "E"-shaped cross-section) |
| Core Function | - Secure rail clips/plates (e.g., Pandrol clips, Vossloh plates) to concrete/steel sleepers - Maintain consistent clamping force on rails to resist lateral/vertical displacement (critical for gauge stability) - Absorb minor vibration and thermal expansion of rails without losing retention |
| Key Structural Features | - Cross-Section: "E"-shape with 3 parallel prongs (top, middle, bottom) – middle prong acts as the main load-bearing element to apply clamping force - Legs: Tapered or curved legs (width 8-15mm) for easy insertion into sleeper pockets; ends may have chamfers to reduce installation friction - Body: Thin, high-tensile steel strip (thickness 2-5mm) with uniform curvature to ensure elastic recovery (avoids permanent deformation under load) - Finish: Smooth or slightly textured surface (prevents slipping between clip and rail plate) |
Advantages vs. Disadvantages
- Advantages: Low maintenance (no bolts to loosen), high fatigue resistance (long service life: 20–30 years), quick installation/removal (reduces track downtime), cost-effective (lower than bolted fasteners), excellent vibration absorption
- Disadvantages: Requires precast sleeper pockets (not compatible with wooden sleepers), limited adjustability (cannot fine-tune clamping force), risk of clip loss if pockets are damaged (needs regular inspection)
gnee-professional supplier
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