Modular Handrail Assembly with Movable Corner for Adjustable Stability
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Solution Overview
Problem
Conventional handrails are fixed by welding, making them difficult to adjust according to user height and physical condition, and their assembly or replacement is time-consuming and wasteful, leading to environmental issues.
Innovation Solution
A handrail and railing assembly that includes a handrail, support frames, a movable corner, and a corner connecting rod, allowing for quick installation and adjustment through angle adjustment, using a U-shaped seat, brackets, and latching projection boards, and made of lightweight aluminum alloy with end caps for protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding method is used to fix handrails, then stability and ease of application are improved, but adjustability according to user height and physical condition deteriorates
Solution Approach 1:
The handrail system is divided into multiple handrail units that can be independently adjusted and repositioned. Each unit can be moved along the support frames, allowing customization according to user needs while maintaining overall structural stability through the connection mechanisms.
Solution Approach 2:
The handrail units are designed to be dynamically adjustable rather than fixed. The connection mechanisms allow handrail units to be repositioned, removed, or reconfigured, enabling the system to adapt to different user heights and physical conditions while maintaining stability during use.
2Strength
If welding method is used to fix handrails, then stability is improved, but assembly time and replacement time increase
Solution Approach 1:
The handrail system is segmented into modular units that can be independently assembled and disassembled. This modular design eliminates the need for welding, allowing rapid assembly and replacement of individual units without affecting the entire structure, thereby reducing assembly time while maintaining stability through standardized connection mechanisms.
Solution Approach 2:
This principle does not apply to the handrail assembly system.
Solution Approach 3:
The support frames and connection mechanisms are pre-configured with standardized interfaces and positioning features. This preliminary preparation allows handrail units to be quickly attached and positioned without requiring complex assembly procedures or welding operations, significantly reducing assembly time while ensuring stable installation.
3Strength
If welding method is used to fix handrails, then stability is improved, but waste generation increases
Solution Approach 1:
The modular segmented design allows individual handrail units to be replaced only when necessary, rather than requiring complete replacement of welded structures. This reduces material waste by enabling selective maintenance and reuse of functional components.
Solution Approach 2:
The reusable connection mechanisms and support frames can be recovered and reused when handrail units are replaced or upgraded. This recovery and reuse of structural components significantly reduces waste generation compared to welded systems where entire sections must be discarded and replaced.
4Adaptability or versatility
If movable corner with angle adjustment is used, then adaptability to different angles is improved, but device complexity increases
Solution Approach 1:
The angle adjustment functionality is segmented into discrete, standardized angular positions rather than continuous adjustment. This segmentation allows the movable corner to achieve adaptability to different angles while maintaining relatively simple mechanical structures with defined positioning features.
Solution Approach 2:
The movable corner connection mechanism is designed as a universal joint that can accommodate multiple angle configurations. This multi-functional design allows a single mechanism to handle various angular requirements, reducing the need for multiple specialized components and thereby limiting the increase in device complexity.
Data Source
AI summary
Disclosed is a handrail and railing assembly, which is made up of a handrail, a plurality of support frames, a movable corner, connecting sleeves and a corner connecting rod; wherein the handrail is connected by a plurality of handrail units and connecting sleeves, and connected by a movable corner or corner connecting rod at a corner; the spaced support frames are provided to hold the handrail. The handrail and railing assembly meets the strength requirements of different sites and can be adjusted according to the on-site installers.