Product Description
Stringing blocks are essential tools for overhead transmission line installation. Constructed from high-strength MC nylon or aluminum (frame: galvanized steel), they offer lightweight design and long service life. Lateral pulleys are mounted on ball bearings for smooth operation.
Key Features
- Over 10 years of specialized manufacturing experience — a core product widely adopted across the domestic market.
- Comprehensive range of models tailored to diverse overhead line construction needs.
- Supports conductors, OPGW, ADSS, and communication cables.
- Sheaves made from high-strength MC nylon; frames fabricated from corrosion-resistant galvanized steel.
Large-Diameter Block Pulley Specifications
Model | Number of Sheaves | Rated Load (kN) | Applicable Conductor (ACSR) | Sheave Material | Weight (kg) | Dimensions (mm)Outside Dia × Groove Dia × Sheave Width |
|---|---|---|---|---|---|---|
HC-LSB01 | 1 | 20 | LGJ400 | Nylon | 19 | 508 × 408 × 75 |
HC-LSB02 | 3 | 40 | LGJ400 | Nylon | 60 | 508 × 408 × 100 |
HC-LSB03 | 5 | 60 | LGJ400 | Nylon | 75 | 508 × 408 × 100 |
HC-LSB04 | 1 | 20 | LGJ500 | Nylon | 22 | 660 × 560 × 100 |
HC-LSB05 | 3 | 40 | LGJ500 | Nylon | 86 | 660 × 560 × 100 |
HC-LSB06 | 5 | 60 | LGJ500 | Nylon | 115 | 660 × 560 × 100 |
HC-LSB07 | 7 | 75 | LGJ500 | Steel | 210 | 660 × 560 × 90 |
HC-LSB08 | 1 | 30 | LGJ630 | Nylon | 26 | ≥822 × 710 × 110 |
HC-LSB09 | 3 | 60 | LGJ630 | Nylon | 120 | ≥822 × 710 × 110 |
HC-LSB10 | 5 | 120 | LGJ630 | Nylon | 190 | ≥822 × 710 × 110 |
HC-LSB11 | 1 | 50 | LGJ720 | Nylon | 50 | ≥822 × 710 × 110 |
HC-LSB12 | 3 | 75 | LGJ720 | Nylon | 122 | ≥822 × 710 × 110 |
HC-LSB13 | 5 | 150 | LGJ720 | Nylon | 200 | ≥822 × 710 × 110 |
HC-LSB14 | 1 | 50 | LGJ720 | Nylon | 55 | ≥822 × 710 × 110 |
HC-LSB15 | 3 | 75 | LGJ720 | Nylon | 130 | ≥822 × 710 × 110 |
HC-LSB16 | 5 | 75 | LGJ720 | Nylon | 140 | ≥822 × 710 × 110 |
Remarks: Custom stringing blocks can be manufactured per specific project requirements. For inquiries or technical support, please contact us — we’re committed to meeting your specifications.
