Description
Technical Parameters
Railway Dog Spikes - Technical & Material Specifications
| Classification by Head Type | Model | Key Dimensions (mm) | Dimensional Tolerance | Application Scenario |
|---|---|---|---|---|
| Double-Lug Head (Standard) | DSH-18×150 | Total length: 150Shank diameter: 18Head width: 38 | Length: ±2.0Diameter: ±0.3Head width: ±0.5 | Main-line passenger/freight railways |
| Spoon Head (Low Profile) | DSH-S20×165 | Total length: 165Shank diameter: 20Head thickness: 12 | Length: ±2.5Diameter: ±0.4Head thickness: ±0.3 | Urban tramways (low-clearance areas) |
| Hexagonal Head (Anti-Slip) | DSH-H22×180 | Total length: 180Shank diameter: 22Head hex size: 27 | Length: ±3.0Diameter: ±0.5Hex size: ±0.4 | Heavy-haul mining railways (high vibration) |
| Round Head (Light Duty) | DSH-R16×140 | Total length: 140Shank diameter: 16Head diameter: 32 | Length: ±1.5Diameter: ±0.2Head diameter: ±0.3 | Temporary construction railways |
| Insulated Head | DSH-I24×200 | Total length: 200Shank diameter: 24Insulation layer thickness: 5 | Length: ±3.0Diameter: ±0.5Insulation layer: ±0.2 | Electrified high-speed railways |
Railway Dog Spikes - Application & Installation Standards
| Dog Spike Model | Matching Tie Type | Installation Tool | Inspection Criterion | Compliance Standard |
|---|---|---|---|---|
| DS-16×140 | Wooden ties | Manual spike driver | No shank bending; head intact | GB/T 152-2019 |
| DS-18×150 | Wooden/concrete ties | Pneumatic spike driver | Shank straightness ≤1mm/m | AREMA 03-2020 |
| DS-20×165 | Concrete ties | Hydraulic spike driver | Surface coating no peeling | UIC 864-1 |
| DS-22×180 | Heavy-duty concrete ties | Electric spike driver | No cracks on shank/head | ASTM A66-87 |
| DS-24×200 | Steel-concrete composite ties | Hydraulic spike driver | Pull-out resistance ≥120kN | DIN 50113 |
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