Extendible Lateral Support Arm for Scaffolding Stability
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Solution Overview
Problem
Existing methods for stabilizing building elements, such as scaffolding, require significant work to connect, may not provide firm security due to loose clamp couplings, necessitate varying arm lengths, and fail to ensure full lateral stability, especially for structures like scaffolding in elevator shafts and swing stages.
Innovation Solution
An extendible lateral support arm system comprising two elongate arm members that can displace relative to each other, with adjustable length, featuring threaded or telescopic engagement and a turnbuckle mechanism, allowing secure attachment to both building and scaffold structures, and accommodating movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If short arms with clamp couplings are used to connect scaffolding to building structures, then lateral stability is provided, but significant work is required to connect the components and firm security cannot be ensured due to loose clamp couplings
Solution Approach 1:
The support arm is divided into two telescopic segments that can be independently adjusted and connected. The first arm member connects to the building structure while the second arm member connects to the scaffolding, allowing separate adjustment of each segment to achieve proper alignment and secure connection without complex clamp couplings.
Solution Approach 2:
The support arm incorporates telescopic capability allowing it to dynamically adjust its length. This dynamic adjustment enables the arm to accommodate variations in distance between building structures and scaffolding, ensuring firm security while simplifying the connection process through straightforward extension and locking mechanisms.
2Reliability
If short arms of different lengths are used or trimmed onsite to ensure suitable length, then lateral stability is achieved, but device complexity increases and manufacturing precision is compromised
Solution Approach 1:
The support arm features telescopic sections that allow continuous adjustment of length. Instead of using multiple fixed-length arms or trimming onsite, the single adjustable arm can be extended or retracted to match any required length, simplifying the system while maintaining manufacturing precision through standardized telescopic mechanisms.
Solution Approach 2:
The telescopic support arm serves multiple functions: it provides lateral stability, accommodates various distances between building and scaffolding, and eliminates the need for multiple arm lengths. This universal design replaces the need for different sized components with a single multi-functional element.
3Reliability
If equal and opposite forces are exerted onto scaffolding in horizontal direction to keep it firmly positioned, then lateral stability is improved, but device complexity and installation effort increase
Solution Approach 1:
The lateral support system uses multiple support arms distributed at different locations on the scaffolding structure. Each arm independently applies stabilizing force, and the segmentation allows forces to be distributed evenly without requiring complex mechanical systems to generate equal and opposite forces at single points.
Data Source
AI summary
An extendible lateral support arm having at least two elongate arm members coupled together and displaceable relative each other. The first arm defines a first end of the extendible arm. The second arm defines a second end of the extendible arm. The distance between the first end and the second end is variable. The first end presents a first head that can engage a building structure. The second end presents a second head that can be secured to an adjacent structure.