Cable Tray Assembly Surface Markings for Joint Cover Fit
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Solution Overview
Problem
Existing cable tray assemblies face difficulties in ensuring proper coverage and ease of assembly, particularly at junctions where the joint cover must be fixed to base and cover profiles without exposing cables, and current solutions complicate the process with additional parts and increased manufacturing costs.
Innovation Solution
Incorporating surface markings on the base profiles at regular intervals to guide users in cutting the cover profiles to the correct length, ensuring the joint cover can be fixed and covers the entire base profile area, while also serving as a reference for positioning and cutting the base profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cover profile is cut shorter to allow joint cover fixation, then the joint cover can be fixed to the base profile, but the exposed area becomes too long and cannot be completely covered by the joint cover
Solution Approach 1:
The base profile is pre-marked with reference markings during manufacturing, indicating the precise cutting position for the cover profile. This preliminary action eliminates the need for complex measurements during assembly, allowing users to simply cut at the marked position to achieve the correct exposed area length for joint cover fixation.
Solution Approach 2:
Reference markings serve as an intermediary between the base profile design and the assembly process. These markings translate the complex geometric relationships into simple visual guides, mediating between the manufacturing specifications and the user's cutting operation to ensure precise results.
2Manufacturing precision
If the cover profile is cut longer to ensure complete coverage, then the covering is complete, but the exposed area becomes too short for joint cover fixation
Solution Approach 1:
The base profile includes pre-marked reference positions that indicate exactly where to cut the cover profile. This preliminary marking during manufacturing ensures that when users cut the cover profile, they achieve the precise length needed for both complete cable coverage and adequate exposed area for joint cover fixation.
3Reliability
If additional connecting parts are used to ensure complete coverage, then cable protection is improved, but the number of parts increases and manufacturing cost rises
Solution Approach 1:
The reference markings are integrated directly into the base profile design, merging the guidance function with the structural component. This eliminates the need for separate connecting parts or additional components, as the markings themselves provide the necessary guidance for achieving complete cable protection through proper cover profile positioning.
Solution Approach 2:
The base profile serves multiple functions: it provides structural support, guides cable placement, and includes reference markings for assembly guidance. This multi-functionality eliminates the need for additional specialized parts, reducing overall system complexity while maintaining reliable cable protection.
4Ease of operation
If the base profile exposed area is made longer for joint cover fixation, then joint cover can be fixed, but the cover profile interference problem worsens
Solution Approach 1:
The base profile is pre-marked with reference indications that specify the exact cutting position for the cover profile. This preliminary action ensures that when the cover profile is cut to the correct length, there is sufficient exposed area for joint cover fixation while maintaining the proper distance to prevent interference between adjacent cover profiles.
Data Source
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AI summary
The present invention relates to an assembly for forming a cable tray, comprising at least two cable tray stretches (1) with a base profile (2) and a cover profile (3), and at least one joint cover (4A) which is removably coupled to two juxtaposed end segments of the two tray stretches (1). The base profile (2), the cover profile (3), and the joint cover (4A) are each a single part made of polymer material. Each base profile (2) comprises surface markings (8) distributed at regular intervals in the longitudinal direction and separated from one another such that, when the joint cover (4A) is coupled to the two juxtaposed end segments, the joint cover (4A) covers a length of the base profile (2), in the longitudinal direction, greater than the separation distance between the surface markings (8).