Mesh Cable Tray Connection Device Tool-Free Assembly
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Solution Overview
Problem
Existing connection methods for mesh cable trays are complex and require tools, making them difficult and time-consuming to couple quickly and easily.
Innovation Solution
A connection device comprising two side parts connected by a central piece with grooved sections, allowing for tool-free assembly by wedging and cantilevered extensions that securely engage longitudinal rods, enabling quick and simple onsite connection of mesh cable trays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screwed connections are used to connect mesh cable trays, then the connection is secure and reliable, but the assembly process becomes complex and time-consuming requiring tools
Solution Approach 1:
The connection device is divided into distinct functional segments: a central connection piece with grooved sections for engaging longitudinal rods, and side parts with folding tabs for engaging transverse rods. This segmentation allows each part to perform its specific function independently, simplifying the overall assembly process while maintaining connection reliability.
Solution Approach 2:
The folding tabs are designed to be movable during assembly, transitioning from a folded state during installation to a fixed position once engaged with the transverse rods. This dynamic element allows for tool-free assembly while ensuring a secure, rigid connection once assembled.
2Reliability
If traditional connection methods are used, then the connection is secure, but the assembly time is excessive and requires specialized tools
Solution Approach 1:
The connection device is pre-configured with folding tabs in a specific geometric arrangement that enables self-alignment with the transverse rods during assembly. This preliminary configuration eliminates the need for measurement, adjustment, or specialized tools during installation, significantly reducing assembly time while ensuring secure connection.
Solution Approach 2:
The folding tabs are designed to automatically engage with the transverse rods through their own elastic deformation and geometric configuration, without requiring external tools or assistance. The elastic material properties enable the tabs to self-adjust and lock into place, making the assembly process self-service and time-efficient.
3Reliability
If complex connection devices are used to ensure secure attachment, then the connection reliability improves, but the ease of operation deteriorates
Solution Approach 1:
The connection device extracts and eliminates the need for external fastening tools by integrating all necessary connection elements directly onto the cable tray sections. The folding tabs and grooved sections work together as a self-contained system that achieves secure attachment without requiring screws, clips, or specialized tools, thereby improving ease of operation.
Solution Approach 2:
The folding tabs utilize elastic material properties that allow them to change their physical state during assembly - transitioning from a flexible, movable state during installation to a rigid, locked state once engaged. This parameter change enables the tabs to provide secure attachment while maintaining ease of operation during the assembly process.
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
Facilitates easy, rapid, and secure connection of mesh cable trays without the need for tools, enhancing on-site assembly efficiency and simplicity.
Implementation Method 1
made of an elastic material
Implementation Method 2
a wedged-shaped upper section ending in an upper point which is bent upwards
Data Source
AI summary
A connection device connects mesh cable trays and mesh cable tray section. The trays include longitudinal and transverse rods joined together. The connection device includes two side parts connected by a central connection section. The central connection section includes an intermediate section and two grooved sections. Each grooved section is disposed on one side of the intermediate section. The height of the central connection piece is greater than the distance between two consecutive longitudinal rods of the cable. The central connection piece has s recess for housing a longitudinal rod of the cable tray. One grooved section has an outer side surface with a wedge-shaped upper section, a central section wherefrom a connection device side part projects laterally, and a lower section below the recess housing the longitudinal rod. The other grooved section projects laterally from the other side part, connecting the side part and the other grooved section.