Professional high-altitude rescue releasable mechanical advantage pulley system kit

A professional-grade integrated Pre-rigged Hauling System designed for rope rescue, confined space hoisting, tripod rescue lifting, precise stretcher orientation adjustment, and heavy load transfers in high-angle operations. The entire system comes pre-rigged in a portable tactical leg bag, ready for immediate use, ensuring components remain integrated and preventing loss.

The core features a patented eccentric cam mechanical self-locking device that automatically locks to prevent rope slippage during hauling. It includes a "Dead-man's brake" for controlled descent and instant stopping upon release. The foldable release handle supports both left and right-hand orientation and remote tether release. The pulleys are equipped with 360° swivels and sealed ball bearings, effectively eliminating rope twisting and tangling during parallel operation, while achieving a mechanical efficiency of over 90%.

Key Features

• Integrated, Ready-to-Use (includes carry leg bag): The entire system is pre-rigged and tested; simply attach to an anchor point to operate, preventing fumbling with ropes or losing components in emergency rescue scenarios.

• Quick-Switch Mechanical Advantage (simply invert suspension):

  • 4:1 Dual Pulley Model: Standard orientation provides a 4:1 advantage, while inverting the system creates a 5:1 configuration.

  • 6:1 Compound Model: Features a triple-sheave pulley, allowing for flexible switching between 5:1 or 6:1 high-ratio hauling.

• Eccentric Cam Self-Locking + Anti-Slip Safety Mechanism: Automatically locks during the haul to prevent back-slippage; lowering is smooth and controlled, with instant locking when the handle is released.

• Flexible Folding Handle + Remote Release:

  • The handle can be adjusted for left/right orientation via a micro-switch, adapting to overhead anchor points or ground-based operation.

  • The top of the handle features an auxiliary attachment point for cord-based remote release.

• 360° Swivel + Sealed Ball Bearings: Integrated top swivel automatically aligns with the load direction to prevent twisting; precision sealed ball bearings ensure maximum efficiency of ≥90%.

Specifications

• Main Material: 7075 Aviation Aluminum Alloy, High-Strength Stainless Steel, Specialized High-Strength Wear-Resistant Rope

• Pulley Strength: Breaking Strength 36kN | Working Load Limit (WLL) 5kN

• Pulley Diameter: 25mm

• Mechanical Efficiency: ≥ 90% (sealed ball bearings)

• Testing Standard: XF494-2023

• Applications: Mountain/Confined Space Rescue, Tripod Heavy Load Lifting/Lowering, Stretcher Orientation Adjustment, Industrial High-Angle Load Reduction Systems

Comparison of Two Kit Configurations

• [4:1 / 5:1 Pulley System Kit]

  • Included: Release-capable double pulley ×1, parallel double pulley ×1, dedicated high-strength rope (17m or 20m), specialized tactical leg bag ×1

  • Total Weight: Approx. 1685g (including bag and rope)

  • Recommended Uses: Stretcher horizontal/vertical orientation adjustment, standard tripod hoisting/lowering, lightweight rapid response.

• [6:1 / 5:1 High-Ratio Pulley System Kit]

  • Included: Release-capable double pulley ×1, parallel triple pulley ×1, dedicated high-strength rope (30m), specialized tactical leg bag ×1

  • Total Weight: Approx. 2040g (including bag and rope)

  • Recommended Uses: Deep well/gorge long-distance hauling, easy single-person heavy load or two-person load recovery.