Essential Equipment for Overhead Conductor Pulling (Tension Stringing)

2025-08-16

For overhead transmission line projects, a method called tension stringing is used to install conductors. This process keeps the conductor elevated off the ground to prevent damage. This requires a coordinated system of specialized machinery.

  • Hydraulic Pullers: A hydraulic puller is a machine with one or more bullwheels that pull a steel pilot line or conductor at a constant, controlled force. It's the "engine" of the stringing operation, providing the pulling power to install the conductor over long spans.

  • Hydraulic OHTLstringingequipment.com/Hydraulic-Conductor-Tensioners.html target='_blank'>Tensioners: A hydraulic OHTLstringingequipment.com/Hydraulic-Conductor-Tensioners.html target='_blank'>Tensioner applies a constant back-tension to the conductor as it's pulled. This prevents the conductor from sagging and touching the ground or other obstacles, ensuring a safe and damage-free installation. Many modern machines, like ours, combine the puller and tensioner into a single unit.

  • Conductor Stringing Blocks: These are pulley-like devices that are installed on tower arms. They guide the conductor along the route and around bends, minimizing friction and protecting the conductor from scrapes or damage.

  • Hydraulic drum stands & Trailers: These are used to safely lift, support, and unspool large conductor reels. They ensure the conductor feeds smoothly into the tensioner or puller.

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