Railroad Fishplate

Railroad Fishplate

A fish plate (or joint bar) is a metal connector used to join two rail ends at a gap, serving the following functions: Load Transfer: Distributes wheel forces to reduce impact stress at the joint. Gauge Maintenance: Keeps rails aligned to standard track gauge (1435mm). Thermal Expansion: Allows rail expansion/contraction (typical gap: 6–8mm). Electrical Continuity (except for insulated types).
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Description
Technical Parameters

 Fish Plate Main Types

Type

Application

Standard Fish Plate

General track joints (e.g., P60 rail uses P60 fish plate).

Compromise Fish Plate

Connects rails of different profiles (e.g., P60 to P50 transition).

Insulated Fish Plate

Electrified sections (nylon inserts prevent circuit shorting).

High-Strength Fish Plate

Heavy-haul lines (e.g., Daqin Railway), enhanced fatigue resistance.

Railroad Fishplate

Application of fish plate

Railroad Fishplate

Railroad Fishplate

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Railroad FishplateRailroad Fishplate

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