Large Diameter Stringing Pulley Blocks With Rubber Sheave, Overhead Transmission Line Stringing Blocks | REACH POWER
Heavy duty large diameter stringing blocks for overhead power line installation, MC nylon / aluminum sheave optional, galvanized steel frame, suitable for ACSR, OPGW, ADSS, communication cables. Custom service available. WhatsApp: 0086 13968382831
Product Description
Stringing blocks are essential tools for overhead transmission line installation. Constructed from high-strength MC nylon or aluminum sheaves with galvanized steel frame, they feature lightweight design and long service life. Lateral pulleys are mounted on ball bearings for smooth operation.
Our large diameter stringing pulleys adopt mature production technology. We have over 10 years of specialized manufacturing experience, with a full range of models to match different overhead line construction requirements. They can work with conductors, OPGW, ADSS and communication cables. The sheave can be high-strength MC nylon or steel, and the frame is anti-corrosion hot-dip galvanized steel. Custom stringing blocks are available according to your project demands.
Specification Table
表格
| 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 |
Application Scenarios
- Used for overhead ACSR conductor stringing on high voltage transmission lines, substation outgoing lines and tower erection projects.
- Suitable for OPGW optical ground wire and ADSS all-dielectric self-supporting fiber cable laying.
- Matched with hydraulic puller, tensioner and cable grip to form a complete tension stringing system.
- Apply to new power grid construction, power line renovation, cross-river and cross-highway overhead line projects.
- Work on mountainous overhead line construction where smooth cable running and low conductor damage are required.
- Widely adopted by power construction companies, EPC contractors and transmission line erection teams.
RFQ - Frequently Asked Questions
Q1: What cables can this large diameter stringing block pull?
A1: It is suitable for ACSR conductors, OPGW, ADSS optical cables and communication cables.
Q2: What materials are available for the sheave?
A2: High-strength MC nylon, steel or rubber lined sheave for option. The frame is hot-dip galvanized steel.
Q3: Can you make customized stringing blocks?
A3: Yes, we support custom design according to your conductor size, load requirement and working condition.
Q4: What is the advantage of large diameter pulley?
A4: Larger bending radius reduces conductor stress, minimizes damage to conductor surface during stringing.
Q5: Are the pulleys fitted with bearings?
A5: Yes, built-in ball bearings ensure smooth rotation and low pulling resistance.
Q6: What is your MOQ?
A6: Trial order is acceptable, contact us for quotation and catalog. WhatsApp: 0086 13968382831
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WhatsApp: 0086 13968382831
