Description
Technical Parameters
Insulation Characteristics & Track Circuit Compatibility
| Model No. | Insulation Impedance (Ω, 1kHz) | Dielectric Strength (kV) | Track Circuit Signal Attenuation (%) | Insulation Material Type | Insulation Component Service Life (Years) | Compatibility with Track Circuit Type | Core Insulation Advantage |
|---|---|---|---|---|---|---|---|
| SKL1-INS | ≥1×10⁶ | 10-12 | ≤3 | Reinforced Nylon 66 | 8-10 | Analog Track Circuits | Cost-effective insulation for conventional lines |
| SKL3-INS | ≥1.2×10⁶ | 12-14 | ≤2.5 | Glass Fiber-Reinforced PA 66 | 10-12 | Digital Track Circuits (Urban Rail) | Stable insulation for high-frequency signals |
| SKL12-INS | ≥1.5×10⁶ | 14-16 | ≤2 | Ceramic Composite Insulator | 12-15 | High-Speed Rail ATP Circuits | Low signal attenuation for 300km/h+ operations |
| SKL14-INS | ≥1.3×10⁶ | 13-15 | ≤2.2 | Modified PEEK Insulator | 11-13 | Heavy-Haul Railway Signal Circuits | Impact-resistant insulation for 35t axle loads |
| SKL21-INS | ≥1.8×10⁶ | 16-18 | ≤1.5 | Integrated Insulation Module | 14-16 | Ballastless Track CBTC Circuits | Ultra-low attenuation for precision signal transmission |
Anti-Loosening Mechanism & Multi-Scenario Adaptation Reliability
| Model No. | Anti-Loosening Design | Locking Force Retention (10⁶ Cycles, %) | Vibration Resistance Level (g) | Adaptable Scenario Types | Reliability Under Extreme Conditions | Core Anti-Loosening Feature |
|---|---|---|---|---|---|---|
| SKL1-AL | Double-Layer Nut Lock | ≥85 | 10-12 | Rural Conventional Lines | -30℃~60℃, No Loosening (3M Cycles) | Simple structure for low-vibration environments |
| SKL3-AL | Self-Locking Thread + Anti-Flip Structure | ≥90 | 12-15 | Urban Rail & Metro Lines | -35℃~70℃, No Loosening (4M Cycles) | Anti-flip design resists frequent start-stop vibration |
| SKL12-AL | Modular Locking Casing + Spring Preload | ≥95 | 15-18 | High-Speed Rail Lines | -45℃~75℃, No Loosening (5M Cycles) | Preload compensation for dynamic load fluctuations |
| SKL14-AL | Three-Level Pressure Lock + Anti-Creep Pad | ≥92 | 14-17 | Heavy-Haul Freight Lines | -40℃~68℃, No Loosening (4.5M Cycles) | Anti-creep function prevents rail displacement |
| SKL21-AL | IoT-Enabled Smart Lock + Double-Arm Constraint | ≥98 | 18-20 | Ballastless Track & Curved Sections | -50℃~80℃, No Loosening (6M Cycles) | Real-time locking status monitoring + extreme vibration resistance |
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