Scaffold Guardrail Holder Layout for Stable Lower-Level Installation
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Solution Overview
Problem
Existing scaffolding components are complex, expensive, and lack stability, particularly when installing guardrails on higher levels, as they require assembly from above and are not securely fastened until completed.
Innovation Solution
A guardrail element holder system that allows for detachable connection of guardrail elements from a lower level, featuring coupling elements and transverse connecting elements for secure attachment to scaffold uprights, ensuring easy, cost-effective, and stable installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guardrail elements are installed from above on higher levels, then installation can be completed, but the structure lacks stability during assembly and requires complex multi-component brackets
Solution Approach 1:
The patent inverts the traditional installation sequence by enabling guardrail elements to be installed from below rather than from above. The guardrail element holder is designed with a receiving space that accepts the coupling element from the lower level, allowing workers to safely assemble guardrails without needing to position themselves on higher, unstable structures. This inversion fundamentally resolves the stability issue while simplifying the overall system design.
Solution Approach 2:
The patent merges multiple functions into the guardrail element holder: it provides structural support, contains a receiving space for the coupling element, and incorporates retaining elements for securing the guardrail. By combining these functions into a single integrated component rather than using separate brackets and fasteners, the system reduces complexity while maintaining reliability.
2Reliability
If traditional guardrail brackets with multiple components are used, then connection is achieved, but manufacturing and assembly costs increase
Solution Approach 1:
The patent combines multiple previously separate components (mounting plate, brackets, fasteners, retaining elements) into a single integrated guardrail element holder. This merging reduces the total part count, simplifies manufacturing processes, reduces inventory requirements, and lowers assembly costs while maintaining secure fastening through the integrated retaining elements and receiving space design.
3Productivity
If guardrail elements are detachably connected from lower level, then installation efficiency improves, but secure fastening against lateral displacement must be ensured
Solution Approach 1:
The guardrail element holder is pre-configured with a receiving space and retaining elements positioned to automatically engage with the coupling element when the guardrail is inserted from below. This preliminary arrangement ensures that secure fastening occurs automatically as part of the simplified installation process, eliminating the need for additional fastening steps while maintaining high installation efficiency.
Solution Approach 2:
The coupling element acts as an intermediary between the guardrail element and the holder, fitting into the receiving space and being secured by the retaining elements. This intermediary mechanism enables the detachable connection from below while ensuring reliable secure fastening against lateral displacement and vertical forces.
Data Source
Figure 1
Figure 2
Figure 3.1~3.2
AI summary
The invention relates to an arrangement (15.1) of scaffolding components comprising a scaffolding stand (17.1) with a holder (18.1) and a railing element (19.1). The latter has a railing strut (21.1) and a fastening hook (23.1). The holder (18.1) has a retaining wall portion for securing the railing element (19.1) against lateral removal from the holder (18.1) in a direction away from the scaffolding stand (17.1). The holder (18.1) has a first transverse connecting element for supporting the first railing element (19.1) and a second transverse connecting element for supporting a second railing element. The retaining wall part (34.1), the first transverse connecting element (35.1.1) and the second transverse connecting element (35.1.2) delimit a first receiving space (38.1) in which the fastening hook (23.1) of the railing element (19.1) resting on the first transverse connecting element (35.1.1) is received. The holder (18.1) also has a third transverse connecting element for securing the first railing element (19) against being lifted upwards out of the receiving space (38.1) of the holder (18.1). The first transverse connecting element (35.1.1) and the third transverse connecting element (35.1.3) define a second receiving space (49.1) in which the fastening hook (23.1) of the first railing element (19.1) is received.