Description
Technical Parameters
Scenario-Specific Technical Specs
| Model | Overall Length | Shank Diameter | Head Size (W×H) | Shank Type | Material | Surface Treatment | Applicable Rail Type |
|---|---|---|---|---|---|---|---|
| DS-100-Tram | 100mm | 16mm | 25×10mm | Smooth Shank | Q235 Carbon Steel | Hot-dip galvanizing (≥80μm) | 22–30kg/m Light Rail |
| DS-125-Mainline | 125mm | 18mm | 30×12mm | Ribbed Shank | Q345 Carbon Steel | Electro-galvanizing (≥25μm) | 43–50kg/m Passenger Rail |
| DS-150-HeavyHaul | 150mm | 20mm | 35×14mm | Threaded Shank | 45# Carbon Steel | Dacromet (≥10μm) + Zinc Plating | 60–75kg/m Freight Rail |
| DS-90-Metro | 90mm | 14mm | 22×8mm | Smooth Shank | Q235 Carbon Steel | Epoxy Coating (≥50μm) | 22kg/m Metro Rail |
| DS-110-HSR-Aux | 110mm | 17mm | 28×11mm | Ribbed Shank | 35# Carbon Steel | Hot-dip galvanizing (≥90μm) | 60kg/m HSR Auxiliary Rail |
On-Site & Durability Inspection Checklist
| Inspection Stage | Key Item | Test Method | Acceptance Criterion | Sampling Rule | Tool/Reference |
|---|---|---|---|---|---|
| Incoming Check | Material & Dimension | Handheld PMI + Digital Caliper | C: 0.17–0.24% (Q235); Length ±1.5mm, Diameter ±0.2mm | 5 pcs/batch | Portable PMI Analyzer; 0.01mm Caliper |
| On-Site Installation | Driving Fit | Visual Check + Gauge | No Head Deformation After Driving; Shank Flush with Sleeper | 20 pcs/100m track | Straightedge Gauge; Driving Hammer |
| Short-Term Performance | Pull-Out & Shear Test | Portable Pull Tester + Shear Jig | Pull-Out Force ≥90% of Min. Value; Shear Strength ≥85% of Min. Value | 3 pcs/km monthly | Digital Pull Tester; Shear Test Fixture |
| Long-Term Durability | Corrosion Resistance | Salt-Spray Test (Accelerated) | No Red Rust After 500h (Hot-dip galvanizing); Coating Intact ≥90% | 2 pcs/batch | Salt-Spray Chamber; Coating Tester |
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