Three-Wheel Grounding Pulley Block for Earthing Cable Support | Overhead Line Transmission Safety Pulley

Overview

The Three-Wheel Grounding Pulley Block is a specialized safety pulley designed for earthing cable installation during overhead line transmission work. It securely guides and supports grounding wires, ensuring stable and safe operation during stringing, maintenance, and live-line construction tasks.

Built with high-strength materials and equipped with a triple-wheel design, this grounding pulley provides smooth rotation, excellent load capacity, and reliable cable protection, making it essential for power utility crews and transmission line contractors.

Key Features

• Three-Wheel Pulley Design
  Ensures stable guiding, reduced friction, and smooth cable movement.

• High-Strength Aluminum/Steel Wheels
  Durable construction for long-term field use in harsh environments.

• Safety Lock or Hook Options
  Prevents slipping and ensures secure attachment to crossarms or towers.

• Weather & Corrosion Resistant
  Suitable for outdoor power transmission environments.

• Lightweight & Easy to Install
  Ideal for elevated and hard-to-reach work positions.

• Designed for Earthing / Grounding Cable
  Prevents cable abrasion and enhances operational safety.

Product Highlights

• Specially engineered for overhead transmission line grounding work

• Smooth triple-wheel structure prevents cable wear and deformation

• Strong load-bearing capacity for steel grounding wire or copper earthing cables

• Quick installation enhances field efficiency

• Highly resistant to corrosion, UV exposure, and mechanical impact

Advantages

• Improves worker safety during energized or non-energized line operations

• Reduces cable friction, protecting earthing wires from damage

• Reliable performance for utility-level stringing applications

• Compatible with various tower structures, crossarms, and power poles

• Low maintenance, long service life

Applications

Suitable for a wide range of power utility and construction tasks:

• Grounding cable installation for transmission lines

• Live-line maintenance and safety grounding operations

• Substation and distribution line construction

• Tower and pole hardware support

• Cable guiding for earthing wire tensioning

Technical Data

Practical Application

FAQ

Q1: Can the wheel material be customized?

Yes, wheels can be made from aluminum alloy, steel, or nylon depending on the project.

Q2: What cable types is it suitable for?

It is designed for steel grounding wires, copper grounding cables, and insulated earthing lines.

Q3: Does the pulley come with a safety latch?

Yes. Optional safety hook, swivel hook, or locking device is available.

Q4: Can the working load be customized?

Yes. Load capacity can be adjusted according to customer requirements.

Q5: Is the pulley suitable for outdoor use?

Absolutely. It is UV-resistant, corrosion-resistant, and built for harsh field environments.

Changshu Xinya Machinery Manufacturing Co., Ltd.is located in the beautiful and rich Chinese historical and cultural city - Changshu, Jiangsu. It is on the east of Shanghai, on the southern edge of Suzhou, west of Wuxi, north of the Yangtze River.It is convenient for transportation.

Changshu Xinya Machinery Manufacturing Co., Ltd. is founded in the eighties of last century, specializing in the production of various electrical equipment, forklift mast and so on. And in 2010,we passed through the ISO9001: 2000 and BV certification.

With support of customers, our products  have sold all over the word. According to the needs of the majority of users, we will increase the investment in science and technology,constantly develop new products, strengthen and improve product performance to meet the requirements of our customers.

Our main products are 1 ton, 2 tons, 3 tons, 5 tons, 8 tons JJM series cable pulling winch, hydraulic tensioner,hydraulic puller,cable laying euiqpments,high pressure hydraulic pump with hydraulic crimping tools,come along clamp,stringing pulley, cable roller and cable drum trailer, steel bar, aluminum alloy gin pole , And other power construction equipment and a variety of large tonnage forklift mast and a variety of special requirements of non-standard gantry.

Manufacturing process is complete, strong technical force, processing capacity is complete, finished products are strictly standardized technical quality testing, a sound quality control and after-sales service system, formed a certain scale of power equipment production capacity. Our existing variety of equipment are more than 80 sets, processing capacity, more sophisticated equipment (processing centers and CNC equipment 15 sets) to ensure product quality.