Hold Down Transmission Stringing Block
It is a high-performance tool specifically designed for controlled conductor positioning during tension stringing operations. The MARSHINE Hold Down Transmission Stringing Block is securely mounted on a tower or pole to hold down conductors and guide them along the desired path, especially in steep terrain or corner tower sections. With its rugged construction and sophisticated engineering, it ensures safe and stable conductor handling even under high tension conditions.
1.Product Parameter
| Item number | Applicable Range | Rated load(KN) | Weight(kg) | Block Dimension(mm) | Remark |
| 10241 | ≤ACSR400 | 10 | 13 | Φ308*φ204*75 | Rubber lined aluminum sheave |
| 10242 | ≤ACSR120 | 10 | 20 | Steel sheave | |
| 10243 | ≤ACSR720 | 25 | 16 | Φ400*φ300*80 | MC nylon sheave |
| 10244A | ≤φ28 | 40 | 55 | Φ308*φ208*110 | Steel sheave |
| 10244B | ≤ACSR720 | 39 | Aluminum sheave | ||
| 10244C | ≤ACSR720 | 34 | MC nylon sheave |
2.Product Feature
Hold-Down Feature: Prevents conductors from lifting or bouncing during threading, ensuring precise alignment and tension control.
High-Strength Frame: MARSHINE Hold Down Transmission Stringing Block is made of high-strength steel to withstand harsh construction environments and heavy loads.
Smooth-Running Pulleys: Equipped with high-quality nylon pulleys and sealed bearings for smooth, low-friction cable movement.
Secure Mounting System: Designed for quick and stable attachment to towers, poles or structures in challenging construction conditions.
Precise Performance: Smooth-spinning, nylon-lined rollers minimize friction, maintaining conductor surface integrity and extending service life. Centered alignment ensures even tension distribution, critical to meeting sag and clearance standards.
3.Product Application
High Voltage Transmission Line Construction: MARSHINE Hold Down Transmission Stringing Block can be used to guide and stabilize conductors in 220kV, 500kV and EHV line projects.
Mountainous and Uneven Terrain: Essential in steep or sloping installations where additional control is needed to keep conductors in place.
Crossing and Span Control: Applied in large span areas to keep conductors aligned during pulling and tensioning.
High Voltage Transmission Lines: Secure conductors during installation in large span or high voltage projects.
Grid Maintenance and Repair: Facilitates safe replacement of conductors without disturbing adjacent lines.
4.Product Details
The MARSHINE Hold Down Transmission Stringing Block owns some features, which made it become an essential solution for maintaining conductor control and stability during complex stringing operations:
Trusted Manufacturer: Decades of experience producing professional-grade equipment for powerline construction and maintenance.
Superior Manufacturing Quality: High-grade materials and precision manufacturing processes ensure durability and reliability.
Time Efficiency: Installation time can be reduced by up to 35% compared to traditional anchoring methods.
Low Maintenance: Sealed bearings and corrosion-resistant materials minimize lifecycle costs.
Certified Reliability: Compliant with ISO standards, verified by rigorous load and pressure testing.
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