Hinged Advance Guard Rail for Scaffolding Installation
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Solution Overview
Problem
The existing methods for installing guard rails on scaffolding and mobile towers are cumbersome, requiring workers to stand in open trapdoors, which poses safety risks and inefficiencies, especially when trying to install guard rails for higher levels.
Innovation Solution
An advanced guard rail system utilizing hooks and a hinged brace member that allows for easy installation by using existing scaffolding or mobile tower frames as a pivot point, enabling the guard rail to be rotated and secured between frames with releasable latching mechanisms, facilitating a two-step installation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard guard rails are installed by a worker sitting in the open trapdoor, then the guard rail can be installed on the work surface, but the operation becomes awkward and unsafe
Solution Approach 1:
The patent introduces an advance guard rail system that acts as an intermediary structure, allowing workers to install guard rails from a safe position on the platform below rather than exposing them to fall risks during installation. The advance guard rail serves as a temporary protective structure that facilitates safe installation operations.
2Reliability
If advance guard rail systems are designed to be installed from a lower level, then worker safety is improved, but the installation mechanism becomes more complex
Solution Approach 1:
The advance guard rail system incorporates movable and adjustable components that allow it to be dynamically positioned and secured from a lower level. The system includes adjustable arms and locking mechanisms that can be operated from the platform below, making the installation process safer while managing complexity through functional design.
Solution Approach 2:
The guard rail system is divided into multiple independent components including vertical posts, horizontal rails, and adjustable arms that can be installed separately. This segmentation allows for simpler individual components that can be assembled from a lower level without requiring complex integrated mechanisms.
3Strength
If the advance guard rail uses a rigid U-shaped frame structure with downward-facing clamps, then the guard rail provides strong structural support, but the installation becomes cumbersome
Solution Approach 1:
The patent replaces rigid fixed clamps with adjustable and movable mounting mechanisms that can be positioned and secured from a lower level. The vertical posts include adjustable arms that can be extended, positioned, and locked into place without requiring workers to access high positions, thus maintaining structural strength while improving installation ease.
Data Source
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AI summary
The present application provides an advance guard rail for securing between opposed scaffolding or mobile tower frames, the advance guard rail comprising a frame comprising at least one horizontal upper rail bar, and at least one diagonal bar coupled to and at an oblique angle to said at least one horizontal upper rail bar, a first hook provided at a first end of said horizontal rail bar; and a second hook provided at the free end of said diagonal bar, and a brace member having a bracing clamp, said brace member having a first end and a second end, said first end hingedly coupled to the frame, said bracing clamp provided at said second end of said brace member, wherein said brace member is adapted to be rotated within the plane of said frame relative to said frame to allow said bracing clamp to releasably secure to an orthogonal bar of one of said opposed scaffolding or mobile tower frames.