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Professional Tandem Sheave Stringing Block for Simultaneous Installation of Multiple Overhead Conductors
Product Overview
The Tandem Sheave Stringing Block is a specialized, high-capacity installation tool engineered for the efficient and safe installation of bundle conductors in high-voltage and extra-high-voltage transmission line projects. Unlike a standard single-sheave block, it features two or more independent sheaves mounted side-by-side within a single, robust frame. This design allows multiple sub-conductors—which together form a single-phase bundle—to be pulled simultaneously through the same support point on a transmission tower.
Product Specifications
Item Number
Model
Applicable Conductor
Rated Load (kN)
Weight (kg)
Remark
10211
SHR-2.5
LGJ300-500
25
11
Aluminium sheave
10212
SHRN-2.5
LGJ300-500
25
9.5
Nylon sheave
Key Features & Benefits
Enables Simultaneous Pulling of Multiple Bundle Conductors: Install multiple sub-conductors in a single, synchronized operation, dramatically reducing stringing time and labor costs.
Ensures Consistent Spacing and Alignment Within the Bundle: Sheaves fixed at precise engineered distances enforce correct spacing between sub-conductors for optimal electrical performance.
Dramatically Reduces Installation Time and Labor Requirements: Single setup of tensioning equipment installs entire phase bundle, minimizing crew exposure and accelerating project timelines.
Minimizes Wear on Stringing Equipment and Infrastructure: Consolidates work into one pull, reducing total cycles of wear on all associated equipment and lowering operating costs.
Improves Worksite Safety Through Fewer Equipment Operations: Reduces high-tension pulling events and operational phases, creating a safer work environment.
Provides Individual Bearing Protection for Each Conductor: Each sheave operates independently on its own sealed bearings, ensuring smooth travel and preventing conductor damage.
Designed for Heavy-Duty Use and Long-Term Reliability: Constructed from high-strength aluminum alloys or steel with reinforced frames and oversized axles for years of reliable service.
Facilitates Accurate Sag and Tension Control for the Entire Bundle: Promotes uniform sag across all conductors through simultaneous pulling under identical tension profiles.
Critical Tool for Modern High-Capacity Transmission Line Construction: Essential equipment for building or upgrading the high-voltage backbone of the power grid.
Offers Strong Return on Investment Through Operational Efficiency: Rapid ROI through reduced labor hours, shorter project durations, and improved scheduling reliability.
Summary
The Tandem Sheave Stringing Block is a force multiplier in transmission line construction. It transforms the labor-intensive process of installing bundle conductors from a series of sequential tasks into a single, coordinated operation. By enabling simultaneous pulling, it delivers unmatched gains in efficiency, ensures superior installation quality, enhances jobsite safety, and provides a compelling economic advantage. For any entity involved in building high-capacity power lines, this tool is not just beneficial—it is essential.
Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged
in the field of electric power more than 26 years.
1.Steel structure industry especially steel towers and related pr... Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged
in the field of electric power more than 26 years.
1.Steel structure industry especially steel towers and related pr...
