Lifting Sling Elastic Tag Mounting
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Solution Overview
Problem
Existing lifting slings face issues with identification tags becoming damaged or detached due to wear and tear, rendering them unreadable and non-compliant with safety regulations, despite the sling being in good working order.
Innovation Solution
A lifting sling design featuring an identification tag attached via elastic material, allowing it to move between a retracted position for protection and an extended position for readability, ensuring the tag remains intact and readable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the identification tag is permanently attached to the cover, then the tag is always accessible for reading information, but the tag becomes vulnerable to damage and detachment from wear and tear
Solution Approach 1:
The tag is made movable relative to the cover through an elastic mounting mechanism, allowing it to transition between a protected retracted position and an accessible extended position. This dynamic arrangement resolves the contradiction by enabling tag accessibility when needed while protecting it during storage and transport.
Solution Approach 2:
The tag is pre-positioned in a protected state within the cover before use. The elastic mechanism holds the tag in this protected position until deliberately activated, ensuring the tag is prepared for protection in advance while maintaining the capability for later accessibility.
2Reliability
If the tag is made movable to protect it, then the tag is protected from damage, but the mechanism becomes more complex
Solution Approach 1:
An elastic material serves as an intermediary element between the tag and the cover, providing a simple yet effective mounting mechanism. This elastic intermediary enables the tag's movement and protection without requiring complex mechanical structures, motors, or control systems.
Solution Approach 2:
The elastic material functions as a flexible element that mounts the tag to the cover, allowing the tag to move between protected and accessible positions. This flexible mounting approach achieves tag protection with minimal structural complexity.
3Loss of information
If the tag is always extended for readability, then information is always accessible, but the tag is exposed to wear and potential damage
Solution Approach 1:
The tag's position is dynamically adjusted based on operational needs. During storage and transport, the tag remains retracted and protected. During active use, the tag can be extended for reading, thus minimizing exposure to harmful factors while ensuring information accessibility when required.
Solution Approach 2:
The tag alternates between a protected retracted state during storage and an extended accessible state during use. This periodic positioning reduces the cumulative exposure time to wear and tear while maintaining operational accessibility.
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 design protects the identification tag from damage and detachment, maintaining regulatory compliance and extending the sling's usable life.
Implementation Method 1
an identifying tag is attached to the cover by way of a region of elastic material and is moveable by stretching the elastic region between a retracted position and an extended position
Data Source
Figure 1
Figure 2~3
AI summary
A lifting sling is described including: an endless loop formed from a number of strands of yarn; a cover surrounds the strands of yarn; an identifying tag is attached to the cover by way of a region of elastic material and is moveable by stretching the elastic region between a retracted position and an extended position; in the retracted position the tag is protected from damage; and in the extended position the tag extends out of the cover to enable information identifying the sling to be read from the tag.