Description
Technical Parameters
Railway Dog Spikes
| Items | Details |
|---|---|
| Product Name | Railway Dog Spikes |
| Other Names | Track Spikes, Rail Spikes |
| Shape | L - shaped head, square shank, wedge - shaped or pointed tip |
| Main Function | Fix the T - section railroad rails to wooden sleepers, keep the rail in gauge |
| Material | Carbon steel (such as Q235), alloy steel (such as 40Cr, 42CrMo, 35CrMo), 45# steel |
| Surface Treatment | Plain, Oxide Black, Dacromet, Hot - dipped Galvanized |
Railway Dog Spikes
| Feature & Description | Types & Specifications | Advantages & Limitations |
|---|---|---|
| Design - Head: Large, rounded, and sloped to fit the contour of the rail foot and withstand blows from a spike maul. - Shank: Square or rectangular in cross-section to prevent twisting in the wood. - Point: Chisel-pointed to cut through wood fibers rather than split them. |
2. Material - Typically made from low or medium carbon steel. - Often galvanized or coated to resist corrosion. |
2. Limitations - Limited Elasticity: Provide a rigid fastening, leading to higher maintenance on modern tracks. - Not for Concrete Sleepers: Cannot be used with modern concrete sleepers. - Labor-Intensive: Installation and removal are manual and time-consuming. |
| Installation - Driven into the wooden sleeper at a specific angle through holes in the tie plate using a heavy sledgehammer or spike maul. - Typically, 4 spikes per rail seat (2 inside & 2 outside) are used. |
3. Standards - Must conform to relevant railway standards (e.g., AREMA (US), RDSO (India), or historical BS standards). |
3. Maintenance Issues - Can work loose over time due to dynamic loads, requiring re-driving ("re-driving spikes"). - Can contribute to gauge widening if not properly maintained. |
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