Hinged Railing Module for Scaffold Leading Edge Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Erecting multi-storey scaffolding poses a safety risk due to the need for ensuring leading edge protection, which requires installing side protection before the uppermost scaffolding panel can be used, necessitating a simple and efficient method for installing railing modules.
Innovation Solution
A railing module with divided vertical rods connected via a hinge, allowing for a space-saving transport configuration and easy assembly by a single worker, where the lower part is fixed to scaffolding elements and the upper part pivoted into position, providing effective side protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If traditional undivided vertical bars are used in railing modules, then the structure is simple and robust, but the transport dimensions are large and space-consuming
Solution Approach 1:
The vertical bars are divided into two separate parts: an upper part that forms the railing structure and a lower part that serves as the support element. This segmentation allows the lower part to be folded back against the upper part during transport, significantly reducing the transport volume of the railing module while maintaining structural integrity during installation
2Ease of operation
If multiple workers or technical aids are used for installation, then the installation is more stable and controlled, but the installation process becomes more complex and time-consuming
Solution Approach 1:
The lower part of the vertical bar is designed to be movable relative to the upper part through a hinge connection. During installation, the lower part can be dynamically positioned - initially folded back for compact handling, then rotated into its final vertical position. This dynamic capability allows a single worker to easily manipulate and install the railing module without requiring multiple workers or complex lifting equipment
Solution Approach 2:
By dividing the vertical bar into separable upper and lower parts with a hinge connection, the railing module becomes easier to handle and install. The segmented design allows the lower support part to be independently positioned and secured to the scaffold structure, while the upper railing part is easily attached, enabling quick installation by one person
3Volume of moving object
If the lower part is permanently fixed in position, then the structural stability is maximized, but the transport configuration becomes bulky and space-consuming
Solution Approach 1:
The hinge connection between the upper and lower parts provides dynamic adaptability - the lower part can be folded back against the upper part during transport to minimize volume, and then rotated into its final vertical position during installation. This dynamic mechanism maintains compact transport dimensions while ensuring structural stability is achieved in the installed state
Solution Approach 2:
The lower part is designed to be pre-positioned in a folded configuration for transport, and then deliberately rotated into its load-bearing position during installation. This preliminary positioning strategy allows the structure to be compact during transport while achieving full structural stability once installed
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick and simple installation of leading side protection by a single employee, reducing the need for multiple workers or technical aids, while ensuring safety and compliance with regulations.
Implementation Method 1
The upper part (4o) and lower part (4u) of the vertical bar (4) are articulated to one another via a hinge (41)
Data Source
Figure 1~2
Figure 3A~3C
Figure 3D~3F
AI summary
Guardrail module for producing a leading side protection during the erection of a multi-story scaffold, comprising a rod-shaped upper rail (3) and at least two vertical bars (4) which are spaced apart and parallel to each other and are attached to the upper rail (3) transversely, wherein each of the vertical bars (4) has at least one fastening means (40) for fixing the guardrail module (1) to a vertical upright (101a, 101b) of a scaffold (100), wherein the vertical bars (4) are divided into an upper part (4o) which is connected to the upper rail (3) and a lower part (4u) with one of the fastening means, wherein the upper part (4o) and lower part (4u) of each of the two or more vertical bars (4) are pivotally connected to each other via a hinge (41) such that the upper part (4o) and lower part (4u) can be moved between a first position in which they are aligned with each other,so that the lower part (4u) forms the extension of the upper part (4o), can be pivoted into a second position in which the upper part and lower part form an angle of 90° or more to each other.