Segmented Vertical Member for Modular Scaffolding
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Solution Overview
Problem
Modular scaffolding systems face challenges in inter-compatibility with frame-type systems, leading to reduced load-carrying capacity and increased labor costs due to the need for specialized expertise and heavier components.
Innovation Solution
A high-capacity vertical member with an extruded tube featuring a large intermediate section and reduced diameter top and bottom sections, incorporating a securing rosette and reinforcing sleeve for improved load distribution and connection compatibility with existing modular systems, allowing for easier assembly and higher load-bearing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If frame-type systems use smaller diameter tubes to reduce weight, then ease of operation improves, but load-carrying capacity deteriorates
Solution Approach 1:
The vertical member is divided into three distinct sections: a large-diameter intermediate section for high load capacity, and two reduced-diameter end sections for compatibility and reduced weight. This segmentation allows each part to serve its specific function optimally.
Solution Approach 2:
Different sections of the vertical member have different diameters tailored to their specific functions: the intermediate section has larger diameter for strength, while the end sections have reduced diameter for compatibility with existing modular components and reduced weight.
2Strength
If modular systems use larger diameter support posts to increase load capacity, then strength improves, but weight increases making them harder to carry
Solution Approach 1:
The vertical member is segmented into a large-diameter intermediate section for strength and reduced-diameter end sections for reduced weight and compatibility, allowing the member to achieve high load capacity without the entire structure being excessively heavy.
Solution Approach 2:
The vertical member has non-uniform diameter distribution with larger diameter where strength is needed (intermediate section) and smaller diameter where weight reduction is beneficial (end sections), optimizing the strength-to-weight ratio.
3Quantity of substance
If frame-type systems use reduced diameter tubes, then weight decreases improving portability, but inter-compatibility with support post systems deteriorates
Solution Approach 1:
The vertical member has reduced-diameter end sections that match the dimensions of existing modular scaffold components, enabling inter-compatibility, while the intermediate section maintains larger diameter for high load capacity.
Solution Approach 2:
The vertical member serves multiple functions: the reduced-diameter end sections provide compatibility with existing modular components (ledgers, cross-braces), while the large-diameter intermediate section provides high load-carrying capacity, making it suitable for both frame-type and support post-type applications.
4Strength
If support post systems use larger diameter tubes, then load-carrying capacity improves, but device complexity increases due to non-standard components
Solution Approach 1:
The vertical member has reduced-diameter end sections that match standard modular scaffold dimensions, allowing use of existing standard components (ledgers, cross-braces, coupling devices) while the intermediate section provides enhanced load capacity.
Solution Approach 2:
The vertical member is designed to be compatible with both frame-type and support post-type modular systems, allowing the same component to serve in multiple system configurations without requiring specialized or non-standard parts.
Data Source
AI summary
A vertical member of a modular scaffolding system includes a securing rosette provided in an upper section having a reduced diameter to provide a pre-determined modular connection. The vertical member includes an elongate intermediate section forming the majority of the vertical member of a first diameter greater than the reduced diameter. The intermediate section at a lower edge includes an integral spigot of the reduced diameter. A reinforcing sleeve is fixedly secured to the upper section above the rosette and forms a spigot receiving socket. The vertical member has higher capacity due to the larger diameter intermediate section while maintaining modularity of the scaffolding system.