Coiled Material Dispenser with Segmented Containment Plates
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Solution Overview
Problem
Coiled materials in construction, such as wire mesh and sheet metal, tend to expand or uncoil unpredictably, causing storage and transportation challenges, safety hazards, and difficulties in installation, especially on inclined surfaces, due to stored elastic energy and lack of handling features.
Innovation Solution
A wire mesh dispensing device that encloses the coil with plates to prevent expansion, provides carrying handles and non-slip feet for stability, and includes a rewinding mechanism to manage loose material, allowing for controlled dispensing and re-coiling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the coil is enclosed with plates to prevent expansion, then the storage stability is improved, but the device complexity increases
Solution Approach 1:
The containment structure is divided into multiple plates (first and second containment plates) that can be independently positioned on opposite sides of the coil. These segmented plates work together to constrain the coil's expansion while allowing for easier assembly and adjustment compared to a single monolithic structure.
Solution Approach 2:
The dispenser body acts as an intermediary structure that houses and supports the containment plates. This intermediary framework allows the plates to effectively constrain the coil without requiring the plates themselves to bear the entire structural load, reducing their individual complexity.
2Ease of operation
If carrying handles and non-slip feet are added for stable handling, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The non-slip feet serve multiple functions: they provide stable contact with the ground, prevent the dispenser from sliding on inclined surfaces, and support the weight of the coil during operation. The carrying handles similarly serve both as grip points for transport and as attachment points for ropes or straps when working at heights.
Solution Approach 2:
The non-slip feet are pre-installed on the dispenser body to immediately provide stability upon placement, eliminating the need for additional stabilization steps during operation. The handles are pre-positioned to facilitate immediate gripping and lifting.
3Ease of operation
If the coil is allowed to rotate freely for easy dispensing, then the ease of operation is improved, but the material can shift axially out of plane
Solution Approach 1:
The coil is divided into multiple layers that are independently constrained by the containment plates. The outer layers are constrained by the plates while the inner layers can rotate relatively freely, allowing the coil to dispense material smoothly without the entire structure shifting axially out of plane.
Solution Approach 2:
Different parts of the coil have different degrees of freedom: the outer layers are tightly constrained by the containment plates to maintain planar stability, while the inner layers are allowed to rotate more freely to facilitate material dispensing. This localized differentiation of constraints resolves the contradiction between stability and ease of operation.
4Ease of operation
If the dispenser rests the coil weight on rollers for frictionless rotation, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The rollers act as intermediary elements between the coil and the dispenser body. Instead of the coil directly contacting the dispenser structure, the rollers mediate the interaction, providing low-friction rotation while supporting the coil's weight. This intermediary mechanism reduces the friction and complexity of direct mechanical contact.
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 device effectively contains coiled materials during storage and transport, enhances safety by preventing accidental expansion, and facilitates efficient installation by providing stable handling and easy rewinding, addressing the challenges of working with coiled materials on uneven surfaces.
Implementation Method 1
The dispenser has one or more feet made of a non-slip material and set with a wide stance, so that the dispenser and its contents may be stably rested on a flat or sloped surface
Implementation Method 2
When these materials are coiled, they store energy in the form of elastic deformation which is not released until the coil expands in diameter and/or unwinds
Data Source
AI summary
The disclosed devices and methods relate to a wire mesh dispensing device which improves the storage, transportation, dispensing, and rewinding of coiled materials, particularly in construction and building maintenance settings such as solar energy and pest mitigation. The dispenser resolves problems from coiled materials prone to expansion or unwinding, leading to storage challenges and safety risks. It features enclosing structures that prevent the coil from expanding beyond a set volume, side plates that keep the material layers aligned, and mechanisms for easy lifting and carrying. The device also includes a stable base with non-slip feet for secure placement on varied surfaces, rollers and a side plate to facilitate low-friction rotation for easy material dispensing in any orientation, and a rewinding mechanism for material take-up or coil tightening.