Description
Technical Parameters
Rail Fish Plate / Joint Bar / Splice Bar
A fish plate, also known as a joint bar or splice bar, is a metal bar bolted to the sides of two rail ends to form a splice. Its primary function is to join rail sections together, creating a continuous surface for train wheels.
Primary Function & Key Roles
| Aspect | Description |
|---|---|
| Primary Function | To splice and connect the ends of two adjacent rail sections, forming a mechanical joint. |
| Key Roles | - Load Transfer: Transmits vertical and lateral forces from train wheels across the joint. - Maintain Alignment: Holds rail ends in proper vertical and horizontal alignment to ensure correct track level and gauge. - Provide Continuity: Creates a continuous running surface for train wheels. - Electrical Conductivity: Often provides electrical continuity for track circuit signaling systems. |
Specifications & Application
| Attribute | Description |
|---|---|
| Product Name | Rail Fish Plate (also known as Rail Joint Bar) |
| Definition | A metal plate used to connect two adjacent rail ends in railway tracks, maintaining continuity and transmitting loads between rails. |
| Material | Typically made of high-strength carbon steel (e.g., 45# steel) or alloy steel, heat-treated for enhanced toughness, wear resistance, and tensile strength. |
| Shape & Structure | Usually rectangular or slightly curved to match rail profiles, with pre-drilled holes for bolts to fasten it to rail flanges. The contact surfaces with rails are machined to ensure a tight fit. |
different types of rail fish plates
| Classification Criteria | Types | Description |
|---|---|---|
| According to Rail Weight | Light Rail Fish Plates | Suitable for light rails, with common models including those for 8KG/m, 12KG/m, 15KG/m, 18KG/m, 22KG/m, and 24KG/m rails. |
| Heavy Rail Fish Plates | Used for heavy rails, such as those for 38KG/m, 43KG/m, 50KG/m, 60KG/m rails, etc. | |
| Super Heavy Rail Fish Plates | Applicable to super heavy rails, like those for QU70, QU80, QU100, and QU120 rails. |
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