Module Frame for Cable Bushing Sealing and Adjustment
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Solution Overview
Problem
Existing modular cable duct systems are inefficient for installing tubular cable bushings, requiring significant effort and being prone to errors due to their limited compatibility with rectangular frame geometries, necessitating the dismantling of existing frames for subsequent installations and lacking secure fire and smoke gas tightness.
Innovation Solution
A module frame with a base plate, flange elements, and an intermediate element, featuring feed-through recesses and sealing elements, allowing for flexible installation of tubular cable bushings with improved fire and smoke gas tightness, and enabling easy assembly and adjustment without requiring additional sealing elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing elements are installed by the user to seal openings between the component opening and frame, between the cable bushing and the frame, and between adjacent cable bushings, then fire and smoke gas tightness is achieved, but the system becomes impractical with additional expense and error-prone installation
Solution Approach 1:
The sealing element is integrated with the flange element as a single pre-assembled unit. This merging eliminates the need for users to separately install sealing elements at multiple locations, reducing installation steps and minimizing errors while maintaining fire and smoke gas tightness.
Solution Approach 2:
The sealing element is pre-installed on the flange element during manufacturing, before the user receives the components. This preliminary action ensures proper sealing is already in place, eliminating the need for user intervention and reducing installation complexity.
2Adaptability or versatility
If further cable bushings are subsequently installed in already installed frames, then the frame must be completely dismantled and reinstalled, resulting in high assembly effort
Solution Approach 1:
The flange elements are designed to be detachable and repositionable on the base plate, allowing the configuration to dynamically adapt as new cable bushings are added. Users can remove and reposition flange elements without dismantling the entire frame structure, enabling flexible subsequent installations.
Solution Approach 2:
The frame's modular segmentation allows individual flange elements to be independently removed and repositioned. This means only the specific flange elements that need to be moved are detached, while the rest of the frame and installed bushings remain in place, significantly reducing reassembly effort.
3Adaptability or versatility
If the entire frame with installed cable bushings must be dismantled for subsequent installations, then component opening can be increased and system reinstalled, but this results in high assembly effort and loss of time
Solution Approach 1:
The detachable flange element design enables dynamic reconfiguration of the frame without complete dismantling. New bushings can be added by simply removing and repositioning individual flange elements, maintaining frame expansion capability while minimizing time loss.
Data Source
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AI summary
The frame has a rectangular-shaped base plate fastened at a construction part. A set of flange elements is arranged side-by-side that is fastened at a base plate. One of the set of flange elements comprises a sealing element and a flat, plate-shaped intermediate element arranged among the base plate and the flange elements. The base plate, the intermediate element, and the flange elements comprise multiple conduit openings that are adjusted to diameter of the conduits and accept the conduits. The base plate and the flange elements are made from metal. The intermediate element comprises a non-combustible, thermally insulating material.