Rope Cuff With Friction Flap and Shoring Lines
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Solution Overview
Problem
Existing mooring line covers are ineffective due to positioning issues, requiring costly and time-consuming splicing and tight configurations for installation, and do not allow for easy inspection of the mooring line without damage.
Innovation Solution
A mooring line cuff with a high coefficient of friction material and braided shoring lines, secured with hook and loop fasteners, that can be easily installed and removed to prevent abrasion and displacement, allowing for inspection without damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If braided covers are installed via splicing, then rope abrasion is prevented, but installation cost and time increase significantly
Solution Approach 1:
The protective cover is divided into modular sections that can be independently installed and removed. Each section can be separately spliced or attached to the mooring line, allowing for easier installation and maintenance while maintaining abrasion protection where needed.
Solution Approach 2:
The cover design incorporates adjustable and removable components that allow dynamic configuration. The cover can be easily installed or removed from the mooring line depending on operational requirements, providing flexibility without requiring permanent splicing for all applications.
2Reliability
If tight configuration splicing is used, then rope abrasion is prevented, but inspection of the rope underneath requires cutting or removal
Solution Approach 1:
The protective cover is designed as separable modules that can be removed from the mooring line without cutting. This allows inspection of the rope underneath by simply detaching the cover sections, eliminating the need for destructive inspection methods.
Solution Approach 2:
The cover is designed to be temporarily removable for inspection purposes and then reattached. This reversible approach allows routine inspection without permanent damage or complex cutting procedures, maintaining both protection and inspectability.
3Reliability
If standard line covers are used, then some protection is provided, but positioning problems cause the cover to slide away, exposing the line to wear
Solution Approach 1:
The cover incorporates high-friction materials specifically at the interface with the mooring line to prevent sliding. This localized friction enhancement ensures the cover stays positioned where needed without requiring complete redesign of the entire cover structure.
Solution Approach 2:
The cover design includes intermediate attachment elements or surface treatments that create better mechanical interlocking between the cover and mooring line. This intermediary interface prevents slippage while maintaining the protective function.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cuff effectively reduces friction and abrasion on mooring lines, enhancing their structural integrity and safety by preventing displacement and allowing for quick installation and inspection.
Implementation Method 1
A plurality of shoring lines are affixed to an interior surface of the cuff and braided around the exterior of a mooring line, which is inserted within the cuff, frictionally engaged by the high coefficient of friction material
Implementation Method 2
secured with a ring and a strap formed from hook and loop material attached to the cuff exterior surface
Data Source
AI summary
A rope cuff including a plurality of shoring lines attached to an interior surface and covered with an interior flap formed from a material with a high coefficient of friction is provided. The shoring lines are braided around a mooring line to serve as a chafe guard and the interior flap frictionally engages the mooring line to maintain both the chafe guard and the cuff in appropriate positions. An adjustable hook and loop strap is attached to the exterior surface of the rope cuff to constrict the cuff around the mooring line and provide further frictional engagement between the interior of the rope cuff and the mooring line.