Description
Technical Parameters
Railway Dog Spikes Specification
| Feature / Aspect | Description & Primary Function |
|---|---|
| Primary Function | A traditional fastener used to secure flat-bottom rails and their baseplates (tie plates) to wooden sleepers (ties). |
| Key Identifying Feature | The distinctive chisel point and L-shaped head (or "dog head"), which is driven into the wood to grip the edge of the baseplate. |
| Typical Material | Low or Medium Carbon Steel. Typically hot-dip galvanized for corrosion resistance. |
| Design Anatomy | 1. Head ("Dog Head"): L-shaped or chevron-shaped. The hammer strikes the top, and the side arm bears down on the baseplate. 2. Shank: The square or rectangular body that provides resistance to pulling out. 3. Point: A sharp, chisel point that cuts wood fibers rather than splitting them, aiding in driving. |
| Drive Method | Manual Hammering with a special spiking maul or beater. The driving process is largely manual labor. |
Advantages & Disadvantages
| Advantages | Disadvantages |
|---|---|
| Low Cost and simple manufacturing | Low Holding Power, prone to loosening under vibration |
| Simple Installation with basic tools (hammer) | Damages Sleeper by splitting wood fibers during driving |
| Proven, traditional design | Cannot be re-tightened; if loose, must be replaced |
| Suitable for low-speed, low-traffic tracks | Labor-intensive installation and maintenance |
| Not suitable for high-axle loads or high-speed lines | |
| Provides no elastic grip on the rail foot |
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