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Three Sheaves Stringing Block Professional Cable Pulling Equipment For Power Grid Construction

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Three Sheaves Stringing Block Professional Cable Pulling Equipment For Power Grid Construction
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Features
Specifications
Name: Three Sheaves Stringing Block
Item No.: 10226
Model: SH80S
Rated Load: 5KN
Weight: 2.8KG
Remark: Nylon Sheave
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Basic Infomation
Place of Origin: China
Brand Name: Suntech
Certification: ISO
Model Number: SH80S
Payment & Shipping Terms
Packaging Details: Plywood Case
Delivery Time: 3-7days
Payment Terms: L/C,T/T
Supply Ability: 9000 PCS/Month
Product Description

Three Sheaves Stringing Block Professional Cable Pulling Equipment For Power Grid Construction


Core Design Features​

  • ​​Triple-sheave configuration​​ with 120° angular spacing for optimal conductor alignment
  • ​​Forged alloy steel frame​​ with zinc-nickel alloy coating (50μm thickness)
  • ​​Sealed ball bearings​​ with automatic lubrication ports (IP66 rating)
  • ​​Working Load Limit (WLL):​​ 8-32 tons (tested to 4:1 safety factor per ASME B30.26)
  • ​​Conductor compatibility:​​ 12mm-60mm diameter (ACSR/AAAC/ACCC/TACSR)
  • ​​Integrated anti-derailment guards​​ for all sheave grooves


​​Operational Advantages​
✔ ​​40% faster stringing speed​​ compared to dual-sheave blocks
✔ ​​3-point contact system​​ prevents conductor twisting during pulls
✔ ​​Reduced fleet angle​​ (<2°) minimizes conductor surface wear
✔ ​​Quick-change sheave system​​ (tool-free replacement in <5 minutes)
✔ ​​Modular design​​ allows adding grounding rollers as optional accessories


​​Safety Certifications​
✓ ​​IEEE 524-2020​​ compliant for conductor installation
✓ ​​OSHA 1910.269​​ certified for live-line work
✓ ​​EN 13414-1:2020​​ load testing certification
✓ ​​Non-magnetic stainless steel hardware​​ for substation environments
✓ ​​Dual-locking swivel hook​​ with 360° rotation capability


​​Maintenance Specifications​
• ​​Self-cleaning sheave grooves​​ with UHMWPE liners (replaceable)
• ​​Magnetic particle inspected​​ load-bearing components
• ​​Corrosion warranty:​​ 5 years in coastal environments (C5-M class)
• ​​RFID tracking tag​​ embedded in frame for asset management
• ​​3D-printed spare parts​​ program available


​​Typical Applications​
➔ ​​±800kV UHV DC line construction​​
➔ ​​Bundle conductor stringing (4x/6x/8x)​​
➔ ​​Transposition tower section pulls​​
➔ ​​Submarine cable landing operations​​
➔ ​​High-altitude (>3000m) line projects​

​​Optional Accessories​​

  • ​​Fiber-optic cable guide attachments​​
  • ​​Real-time load monitoring system (BLE 5.0)​​
  • ​​Arctic-grade lubricant kit (-50°C rated)​​
  • ​​Explosion-proof version (ATEX Zone 1)​​


Item Number Model Rated Load (kN) Weight (kg) Remark
10226 SH80S 5 2.8 Nylon sheave


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Get in touch with us
Contact Person : Peter Mao
Tel : 86-13958364836
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