How do your Conductor Pulling Machines adapt for use in both Overhead Transmission Line (OHTL) and Underground Cable Laying applications?

2025-07-20

While there are specialized machines for each, our range of Conductor pulling machines offers specific models and adaptable features that cater to the distinct demands of both Overhead transmission line (OHTL) and underground cable laying applications:

For Overhead transmission line (OHTL) Applications:

  • Bullwheel Design: Our OHTL-focused pulling machines feature large-diameter, multi-groove bullwheels with specialized, non-abrasive linings (e.g., polyurethane) to grip pilot ropes and conductors gently yet firmly.

  • Precise Tension Synchronization: When paired with our Tensioners, these pullers operate in a closed-loop hydraulic system to maintain synchronized, consistent tension and speed, crucial for tension stringing.

  • Integrated Rope Winders: Often include hydraulic rope winders for neatly coiling the pilot rope, facilitating subsequent pulls.

  • Designed for Open Terrain: Typically trailer-mounted or self-propelled track machines suitable for traversing varied terrain along power line rights-of-way.

For underground cable laying Applications:

  • Drum/Winch Design: Our underground-specific pulling machines primarily feature large, robust drums or winches designed to spool significant lengths and weights of pulling rope or cable.

  • Variable Speed & Constant Pulling Force: Engineered to handle high friction and resistance, they can often maintain a constant pulling force while automatically adjusting speed through long, often winding, underground conduits.

  • Integrated Length & Force Measurement: Crucial for precise placement and avoiding over-tensioning in buried ducts, these machines provide accurate readouts of pulled length and force.

  • Compact & Mobile: Many models are designed for maneuverability in tight urban environments, manholes, or trenches, with options for skid mounting or highly compact trailer designs.

  • Caterpillar Track Integration: Some models can be combined with or are themselves caterpillar-type pullers that push cables through difficult sections, reducing overall pulling tension.

Adaptability & Shared Core Technologies:

  • Robust Hydraulic Systems: Both applications benefit from our advanced, reliable hydraulic systems that provide smooth, controlled power transmission.

  • Advanced Control Systems: Digital controls, real-time feedback, and safety features like overload protection are standard across both types of machines, ensuring precise operation and operator safety.

  • Durability and Reliability: All our pulling machines are built with high-strength materials and robust construction to withstand the demanding conditions of both overhead and underground work.

By offering a specialized range and incorporating adaptable core technologies, we provide the right conductor pulling Machine for any power line construction challenge.

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