Clamping Web for Installation Box Fixation
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Solution Overview
Problem
Existing installation boxes for electrotechnical components in concrete construction require precise positioning and fixing to steel reinforcement, which is cumbersome and time-consuming, often relying on tie wires for attachment.
Innovation Solution
The design incorporates two parallel fastening webs with a clamping web that engages a steel reinforcement rod, allowing for clamping fixation without the need for tying, and includes flexible and wedge-shaped features for enhanced securement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fastening webs are used to attach installation box to steel reinforcement, then the installation box can be fixed to the reinforcement, but precise positioning is difficult and requires time-consuming tying operations
Solution Approach 1:
A clamping web is introduced as an intermediary element between the fastening webs and the steel reinforcement bar. This clamping web acts as a mediator that enables simple clamping fixation by engaging with the reinforcement bar, eliminating the need for complex tying operations while ensuring reliable attachment.
Solution Approach 2:
The fastening system is segmented into distinct functional components: fastening webs for attachment to the installation box and a clamping web for engagement with the steel reinforcement bar. This segmentation allows each component to perform its specific function optimally, with the clamping web providing simple clamping action independent of the fastening webs.
2Reliability
If tie wire or similar fastening means are used to attach fastening web to reinforcement, then secure fixation is achieved, but the process becomes cumbersome and time-consuming
Solution Approach 1:
The complex mechanical tying system (requiring tie wire wrapping and knotting) is replaced with a simple clamping mechanism. The clamping web engages with the steel reinforcement bar through a straightforward clamping action, eliminating the need for tying operations while maintaining secure attachment and significantly improving installation speed.
3Ease of operation
If clamping web is added to clamp holding part between fastening web and installation box, then fixation is simplified and positioning is improved, but device complexity increases
Solution Approach 1:
The clamping web is designed as a flexible, thin element that can be easily formed and shaped. This flexibility allows the clamping web to adapt to the steel reinforcement bar while maintaining a simple overall structure. The thin-film nature of the clamping web minimizes added complexity while enabling effective clamping functionality.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The box (1) has a clamping bar (4) to tightly hold holding parts e.g. steel reinforcements such as steel mat, of concrete parts between the clamping bar and fastening bars (3). The box is embedded in pre-fabricated concrete parts and fastened to the holding parts. The fastening bars are arranged at a distance from each other, and an additional clamping bar is provided between the fastening bars. The clamping bar runs parallel to the fastening bars, where an end of the clamping bar is fastened to the box.