Overview
Mining cables are engineered for underground coal and non-coal mines, tunnels, and surface mining operations, providing power, control, and communications under harsh, mechanically demanding, and safety-critical conditions. Common constructions include rubber‑sheathed flexible cables for mobile equipment, trailing/reeling heavy‑duty cables for shearers, loaders, and shuttle cars, and shielded intrinsically safe cables for control and monitoring. Designs emphasize flame resistance, low smoke/halogen options, oil/abrasion resistance, and high flexibility with tight bending radii.
Typical voltage ratings (power): 0.66/1.14 kV, 1.9/3.3 kV, 3.6/6 kV, 6/10 kV, 8.7/15 kV
Conductors: Copper, flexible Class 5/6, tinned optional for corrosion resistance
Insulation: EPR or XLPE; rubber compounds for flexible types
Shielding: Individual/overall screens for control and IS circuits; copper braid/tape optional
Mechanical protection: Textile braid, anti-tear separators, optional armor for specific surface applications
Outer sheath: Heavy‑duty rubber (chloroprene, CPE, TPU options), LSZH rubber for fire‑critical zones
Applications: Underground headings, longwall faces, mobile machinery trailing, reeling systems, pump and fan feeds, conveyor systems, control/monitoring, intrinsically safe circuits
Standards: MT (China mining standards), GB/T relevant mining cable specs, IEC 60228 (conductors), IEC/EN 50525 (as applicable), IEC 60332/60754/61034 for fire properties; local mining approvals required (e.g., MA/KA/Ex)
Key Features
High flexibility and fatigue endurance for trailing/reeling duty; tight bending radius
Flame‑retardant, oil‑, abrasion‑, and tear‑resistant rubber sheaths for harsh environments
Optional LSZH and low‑smoke performance for improved personnel safety
Shielded and intrinsically safe designs available for hazardous atmospheres (Ex i)
Robust insulation and screening to reduce electromagnetic interference and ensure stable operation
Suitable for damp environments and limited water ingress; options for enhanced waterproofing
Layered from inside to outside
Factory photos
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