Scaffolding End Guardrail with Segmented U-Shaped Bracket
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Solution Overview
Problem
Existing scaffolding systems lack effective and easy-to-handle safety railings that provide continuous protection against falls during construction, as prior solutions are either cumbersome, difficult to install, or require personal protective equipment.
Innovation Solution
A front side railing with a U-shaped protective section and a fastening section, featuring vertical pins and guides that attach securely to the scaffolding without obstructing the space between vertical elements, allowing for a standard railing to be installed parallelly for enhanced protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a safety railing is mounted from one level to the front of the next higher level, then fall protection is provided, but the railing becomes cumbersome and difficult to handle
Solution Approach 1:
The safety bracket is divided into two functional sections: a protective section (U-shaped barrier) and a fastening section (with fastening elements and vertical pins). This segmentation allows the handling of specific components rather than a monolithic structure, improving ease of operation while maintaining fall protection reliability.
Solution Approach 2:
The fastening elements are arranged at a distance corresponding to the width of the scaffold, creating a fastening plane that extends perpendicular to the protective section. This dimensional arrangement allows the railing to be mounted from below without requiring workers to access the higher level, improving ease of operation while ensuring reliable fall protection.
2Adaptability or versatility
If a railing device with guides and moving parts is used, then adaptability is improved, but the device becomes complex to construct and handle
Solution Approach 1:
The invention extracts and eliminates guides and moving parts from the railing system. Instead, it uses a simplified rigid structure with fastening elements that can be directly attached to scaffold elements, reducing construction complexity while maintaining adaptability through the adjustable positioning of fastening elements.
Solution Approach 2:
Instead of using moving parts and guides to achieve adaptability, the invention inverts the approach by using a fixed rigid structure that derives its adaptability from the modular nature of scaffold elements themselves. The fastening elements can be positioned at different locations to accommodate various scaffold configurations without requiring complex adjustment mechanisms.
3Reliability
If a movable locking mechanism is provided for securing the railing, then reliability is improved, but the railing becomes complicated to handle
Solution Approach 1:
The fastening elements are designed with pre-positioned vertical pins that align with receptacles on scaffold elements. This preliminary arrangement of fastening components allows for quick and simple assembly by simply inserting the pins into the receptacles, eliminating the need for complex locking mechanisms while maintaining securing reliability.
4Reliability
If the railing length is increased for better coverage, then protection effectiveness is improved, but the railing becomes cumbersome to transport
Solution Approach 1:
The protective section is designed as a U-shaped barrier that spans the width of the scaffold front, providing effective fall protection coverage. The fastening section is separated and positioned at the bottom, allowing the overall structure to be compacted for transport while maintaining the full protective coverage when installed.
Data Source
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AI summary
The invention relates to an end guardrail for securing the end of a walkable scaffold, particularly during its erection. The guardrail comprises a safety bracket with a protective section designed to prevent a person from falling from the scaffold and a fastening section for connecting the end guardrail to the scaffold. The end guardrail further comprises at least two vertical pins designed to be inserted into scaffold receptacles. The invention also relates to a scaffold with such an end guardrail and a method for securing the end of the scaffold against falls during its erection.