Strand Jack System

Strand Jacks

Strand Jack System

Here at JB Rawcliffe & Sons Ltd, we are able to provide our customers with strand jacks for the technical handling, lifting, lowering or skidding of heavy lifting equipment.

A strand jack is a linear winch which offers a compact, economic and extremely precise solution for heavy lifting and lowering operations. Strand jacks can offer an advantage in situations where there is a lack of space onsite.

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. The lifting or lowering movement is achieved by stroking the cylinder in and out while the grips are engaged in the anchors. These cylinders are driven by electrohydraulic power packs and are controlled by sophisticated software, allowing movement to be stopped and held indefinitely at any point during the stroke.

Strand jacks are completely automatic solutions, able to lift and lower automatically without any personnel at the jacks and possessing pre-set overload protection. However, they possess remote control, monitoring and mechanical fail-safe gripping mechanisms if required and are adjustable to operate at various speeds, automatically synchronising irrespective of loads. Strand jacks hold their load mechanically rather than hydraulically when movement is stopped.

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A strand jack is a small device used to lift heavy loads. Using a combination of gripping and lifting, strand jacks create a continuous linear movement – allowing heavy loads to be lifted at great heights.

Cranes are usually too big for areas of restricted access, hence why we provide the strand jack systems. When lifting or lowering loads in tight spaces, strand jacking provides a compact, economic and controlled solution for lifting, turning, traveling and lowering heavy goods.

When heavy loads need to be moved, strand jacks are extremely useful. They lift and lower automatically – reducing the need for operators – and operate at various speeds. They also synchronise automatically, regardless of load and give unlimited travel.

JB Rawcliffe & Sons Ltd
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