hydraulic strand jacks

Strand jack - Wikipedia

A strand jack is a hollow hydraulic cylinder with a set of steel cables (the "strands") passing through the open centre, each one passing through two clamps - one mounted to either end of the cylinder.

Hydraulic Strand Jacks | Strand Jack Systems | Enerpac

Hydraulic Strand Jacks The strand jack lifting technique originates from the concrete post tensioning principle. A strand jack can be considered a linear winch. In a strand jack, a bundle of steel cables or strands are guided through a hydraulic cylinder; above and below the cylinder are anchor systems with wedges that grip the strand bundle.

Jack (device) - Wikipedia

Strand jack. A strand jack is a specialized hydraulic jack that grips steel cables. Often used in concert, strand jacks can lift hundreds of tons and are used in engineering and construction. Farm jack. A farm jack attached to a vehicle. The farm jack also known as a railroad jack, high lift Jack or kanga-jack was invented in 1905. ...

Strand Jacks - WB Equipment

Bigge uses strand jacks to erect bridges, offshore structures, refineries, power stations, major buildings, and other structures. When the project is suited to their use, strand jacks are a safe and inexpensive alternative to using a heavy lift crane.

Hydraulic Strand Jacks - Bigge Crane and Rigging

Strand jacks are specially configured hydraulic jacks, which can give continuous pulling or lifting movement. A combination of a number of strand jacks can lift very heavy loads of thousands of tons, whereas the jack itself weighs less and occupies only a very small footprint. Hydraulic jacks are small devices that can do a large work using hydraulic pressure.Author: Johnzactruba

What is a Strand Jack. What are Strand Jacks?