Helicopter Stringing Block 508x75mm – Heavy Duty Wire Rope Pulley with Helicopter-Optimized Design

Helicopter Conductor Stringing Block 508x75mm – Heavy Duty Wire Rope Pulley for Aerial Stringing

Product Overview

The SHDN/SHSN/SHWN series Helicopter Stringing Blocks are specialized tools designed for helicopter-assisted transmission line construction. Used to pull guide ropes from helicopters during aerial stringing operations, these blocks feature large-diameter sheaves (508mm to 916mm) with widths from 75mm to 110mm. Available in 1-sheave (SHDN), 3-sheave (SHSN), and 5-sheave (SHWN) configurations to match different helicopter stringing methods and line specifications.

Technical Specifications

Product Advantages

· Helicopter-Optimized Design — Specifically designed for helicopter pull guide rope operations in transmission line construction.

· Multiple Configuration Options — 1, 3, or 5 sheave configurations available across 4 sheave diameters (508, 660, 822, 916mm).

· Large Diameter Sheaves — 508-916mm sheave diameters minimize rope bending stress and reduce wear during high-speed pulling.

· Versatile Application — Suitable for various helicopter stringing methods including single, triple, and bundle conductor pulling.

Frequently Asked Questions (FAQ)

Q: What is the main application?

A: Helicopter pulling of guide ropes during transmission line aerial stringing.

Q: What sheave configurations are available?

A: Single (SHDN), triple (SHSN), and five-sheave (SHWN) configurations.

Q: What are the available sizes?

A: Four sheave diameters: 508mm, 660mm, 822mm, and 916mm.

Q: What material are the sheaves?

A: High-strength materials designed for the demands of helicopter-assisted stringing.

Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with one of biggest warhouses about stringing tools for trasmission line construction for one-site purchase in China.

Now our goods export to 120 countries and we have more than 3000 clients. Our detailed product range include conductor stringing blocks,cable roller,hoisting tackles,pulley blocks,conductor grippers,cable reel stand,gin poles,inspection trolleys,hydraulic puller tensioner,conductor compressors,cable pulling winch,anti twisting wire steel rope and other construction tools and equipment company for electric power construction.

1) The company is equipped with high precision vertical machining center, horizontal machining center, CNC honing machine, CNC lathe, CNC milling machine and other advanced equipment, also equipped with a large horizontal lathe, lathe, punching machine, rocker large crane and polishing machine, electric welding machine and other general equipment, and the design and manufacture of nylon wheel casting machine and other special processing equipment and technology install.

2) The company's existing testing methods are in good condition, detection equipment is advanced and complete, the company set up the measurement room, laboratory, equipped with a horizontal tensile testing machine, tensile testing, vertical lifting tower hydraulic universal testing machine, hardness tester, salt spray test machine, hydraulic integrated test and testing equipment, from raw material incoming inspection to the factory inspection of products, can fully guarantee the quality control of parts and product performance.

3) The professional R & D capability is the premise of product innovation and technological progress. Many products of the group have their own intellectual property rights. They have obtained 6 invention patents, nearly 20 patents on utility models and designs. And many times included in the Ningbo municipal new product trial production plan and the national key new product plan.

On the basis of the implementation of the ISO9000 quality system management, the company carries out the special TS16949 management system of the automobile industry at a higher level.Welcome to Inquiry,please do not hesitate to contact me soon. Best regards,Peter Mao!