Grounding Roller Stringing Block High Efficiency Conductor Stringing System For Power Grids​

Core Design Features​​

• ​​Heavy-duty steel frame​​ with hot-dip galvanized coating for corrosion resistance
• ​​Double-bearing grounding rollers​​ ensure smooth conductor movement under load
• ​​Integrated grounding clamp​​ (compatible with 50mm² to 120mm² grounding cables)
• ​​Working Load Limit (WLL):​​ 5-25 tons (color-coded for easy identification)
• ​​Conductor compatibility:​​ ACSR, AAAC, and ACCC cables (10mm to 50mm diameter)
• ​​Safety factor:​​ 4:1 per ​​IEEE 524 & IEC 61328​​ standards

​​Operational Advantages​​
✔ ​​50% faster conductor stringing​​ compared to traditional blocks
✔ ​​Built-in grounding system​​ eliminates static buildup during live work
✔ ​​Low-friction roller design​​ reduces required pulling force by 30%
✔ ​​Modular construction​​ allows quick roller replacement in the field
✔ ​​UV-resistant nylon side plates​​ for long-term outdoor use

​​Safety Certifications​​
✓ ​​OSHA 1910.269​​ compliant for live-line maintenance
✓ ​​IEEE 524​​ certified for overhead conductor installation
✓ ​​ANSI/ASME B30.26​​ rated for rigging safety
✓ ​​Non-sparking aluminum alloy components​​ for hazardous environments
✓ ​​Automatic load brake​​ prevents runaway cable slippage

​​Maintenance & Durability​​

• ​​Self-lubricating bearings​​ (10,000+ hours service life)
• ​​Wear indicators​​ on roller grooves for easy inspection
• ​​Quick-release axle pin​​ for fast roller replacement
• ​​3-year warranty​​ against material defects
• ​​IP55-rated​​ for dust/water resistance

​​Typical Applications​​
➔ ​​Transmission line conductor stringing​​
➔ ​​Live-line maintenance & repair​​
➔ ​​Substation busbar installation​​
➔ ​​Underground cable pulling guidance​​
➔ ​​Emergency storm restoration work​

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​​Optional Accessories​​

• ​​Laser-etched load rating tags​​
• ​​Insulated hot-stick adapter​​ (for live work)
• ​​Digital tension monitoring kit​​
• ​​Heavy-duty transport case​​
• ​​Custom conductor liner inserts​