Railway Track Clamps

Railway track clamps usually refer to the clamps in the railway track fastening system, also known as fishplates. They are used to connect two sections of rails and ensure their alignment and fixation at the joint, thereby ensuring the safety and stability of train operation. This clamp is usually made of high-strength steel and fixed to both sides of the rail by bolts.

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Description

Technical Parameters

Core Functions

Function	Description	Key Parameters
Rail Fixation	Prevents longitudinal creep & lateral displacement	Lateral resistance: ≥10 kN/sleeper
Vibration Damping	Absorbs wheel-rail impact via elastic components (e.g., rubber pads/clips)	Noise reduction: 5–15 dB
Insulation	Ensures electrical isolation for signaling systems	Insulation resistance: ≥10⁸ Ω
Gauge Adjustment	Allows ±10 mm track gauge correction via shims	Adjustable range: ±1

Railway track clamps

Main Types

Type	Features	Applications	Examples
Spring Clip	Elastic clamping (no bolts), high fatigue life	HSR (e.g., China WJ-8)	Pandrol e-clip
K-type Fastener	Cast iron baseplate + bolted fixation	Conventional railways	Vossloh W14
Direct Fixation	Anchored to slab track (no ballast)	Metro/urban transit	RN Fastener
Anti-vibration	Integrated rubber dampers	Vibration-sensitive zones	Cologne Egg Syste

Modern track design mostly uses systematic fasteners, which need to be considered in coordination with sleepers and trackbeds. Specific model parameters (such as fastening pressure and stiffness) need to refer to standards such as TB/T 3395 (China) and EN 13481 (Europe).

Railway track clamps