Removable Bracket for Walkway Handrail Installation
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Solution Overview
Problem
Metal walkways in industrial facilities pose safety risks due to the lack of secure and easily installable handrails, as existing solutions are either too expensive, time-consuming, or require permanent modifications that are not feasible, especially when walkways are leased or rented.
Innovation Solution
A removable C-shaped clamp bracket system that allows for quick attachment and removal of wooden safety handrails to metal walkways without altering the walkway structure, using a fastening system that includes a bolt and nut for secure installation and a sleeve for accommodating wooden boards of standard sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If custom metal handrails are manufactured and attached to walkways, then safety coverage is improved, but installation time and cost increase significantly
Solution Approach 1:
The handrail system is divided into separate modular components: standardized metal handrail sections and detachable support brackets. This segmentation allows for rapid assembly without custom fabrication, as the components can be pre-manufactured and then quickly installed in the required configurations.
Solution Approach 2:
A support bracket serves as an intermediary element between the walkway and the handrail. The bracket attaches to the walkway via a clamp mechanism and provides a mounting point for the handrail, eliminating the need to directly drill or weld metal-to-metal connections that would require significant time and specialized equipment.
2Strength
If metal handrails are attached to walkways using traditional methods, then structural strength is improved, but the walkway is damaged or altered
Solution Approach 1:
The attachment system uses a dynamic clamp mechanism that can be tightened and loosened without permanent modification. The clamp engages with the walkway beam through a screw or bolt mechanism that applies sufficient force for secure attachment while allowing for complete removal and reuse, leaving no holes, welds, or structural alterations to the walkway.
Solution Approach 2:
The support brackets are designed as replaceable, non-permanent components that can be easily installed and removed. Rather than creating permanent metal-to-metal connections that would damage the walkway, the brackets serve their purpose and can be detached and reused elsewhere, protecting the walkway structure from alteration.
3Reliability
If permanently installed handrails are added to walkways, then safety is improved, but adaptability and reconfigurability are reduced
Solution Approach 1:
The handrail system transitions from a static, permanent installation to a dynamic, reconfigurable system. The clamp-based attachment allows the handrails to be easily moved, repositioned, or removed as work requirements change, providing adaptability while maintaining safety during use.
Solution Approach 2:
By segmenting the handrail system into separate brackets and rail sections, the system becomes modular and reconfigurable. Different configurations can be assembled by simply repositioning the standardized components, allowing the safety infrastructure to adapt to changing operational needs without requiring permanent structural modifications.
4Stability of the object's composition
If traditional handrail installation methods are used, then structural integrity is improved, but ease of installation and removal is worsened
Solution Approach 1:
The support bracket acts as an intermediary that simplifies the installation process. Instead of directly attaching handrails to the walkway using complex metalworking techniques, the bracket provides a pre-fabricated mounting interface that can be quickly secured using simple fasteners, making installation easy while maintaining structural integrity through the bracket's engineered clamp mechanism.
Data Source
AI summary
A bracket for attaching a safety handrail to a walkway comprising a C-shaped clamp with a retaining brace which slides under the lower flange of a metal walkway side rail, and is attached using a fastener. The back of the clamp has a retaining sleeve for holding a board for a safety handrail.