Scaffold Crossbar With Bracket Fasteners for Higher Bending Strength
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Solution Overview
Problem
Existing modular scaffolds face limitations in increasing load capacity, particularly bending strength, due to a lack of available connection interfaces for additional horizontally oriented scaffold elements, necessitating the use of more complex and costly systems.
Innovation Solution
A scaffold crossbar with a rod-shaped design featuring four connection points, including two connection interfaces and two fasteners, each with a movable gripping element and clamping mechanism, allowing for enhanced force and momentum transfer without requiring additional interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If additional horizontally oriented scaffold elements are installed to increase load capacity, then the bending strength is improved, but the number of connection interfaces required increases
Solution Approach 1:
The crossbar is divided into multiple functional segments: a main crossbar beam for primary load bearing, and multiple brackets with fasteners for additional connection points. This segmentation allows the single crossbar element to provide multiple connection interfaces without requiring multiple separate scaffold components, thereby improving bending strength while controlling complexity.
Solution Approach 2:
The invention adds connection interfaces in a different spatial dimension by attaching brackets perpendicular to the main crossbar beam. Instead of adding more crossbars in the horizontal plane, the solution extends connection capability in the vertical dimension through brackets that project upward or downward, providing additional attachment points without increasing horizontal complexity.
2Force
If the number of connection interfaces is increased to support additional scaffold elements, then the load capacity is improved, but the available connection interfaces on vertical scaffold elements are limited
Solution Approach 1:
The brackets serve as intermediary elements between the main crossbar beam and the vertical scaffold elements. These brackets provide additional connection interfaces that mediate the load transfer between the horizontal crossbar system and the vertical poles, effectively increasing load capacity without requiring additional standard connection interfaces on the vertical scaffold elements themselves.
Solution Approach 2:
The fasteners incorporate movable gripping elements that can dynamically adjust to engage with the vertical scaffold elements. This dynamic capability allows the connection system to adapt to variations in scaffold element positioning and provides versatile attachment options, increasing both load capacity and adaptability to different configuration scenarios.
3Strength
If additional scaffold elements are installed to increase load capacity, then the bending strength is improved, but the device complexity and cost increase
Solution Approach 1:
The crossbar design integrates multiple functions into a single element: the main crossbar beam provides primary structural support, while the attached brackets with fasteners provide additional connection capabilities. This multi-functionality allows a single crossbar component to replace what would otherwise require multiple separate scaffold elements, increasing bending strength while reducing overall device complexity and cost.
Data Source
AI summary
A scaffold crossbar, particularly for the horizontally oriented installation in a scaffold section, comprising at least one crossbar beam which has a rod-shaped design and extends in the direction of a longitudinal axis, wherein the crossbar beam has two opposite ends in the direction of the longitudinal axis, and a connection interface which is provided for the connection to a scaffold element is arranged on each of these two ends. The scaffold crossbar further comprises at least two brackets which extend along a bracket axis, respectively, wherein the brackets respectively have two opposite ends in the direction of their bracket axis, wherein one of these ends of each bracket is connected to the crossbar beam, and at least two fasteners respectively one of which is arranged on the end of a bracket which is situated opposite of the connection of this bracket to the crossbar beam.