Energy Chain Guide Device Using Segmented Plastic Brackets
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Solution Overview
Problem
Existing guide devices for energy chains, such as those used to supply moving machines, are often costly due to material requirements and complex assembly processes, necessitating a solution for simplification and economical production.
Innovation Solution
The guide device employs U-shaped brackets with recessed seats and undercut projections for form-fitting attachment of guide rails, made of plastic, allowing for clip connections and easy assembly, reducing material usage and costs while maintaining effective guidance and support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional guide devices are used with extensive material requirements, then guidance and support function is ensured, but material costs and device weight increase significantly
Solution Approach 1:
The guide device is divided into multiple U-shaped brackets arranged at distances along the longitudinal direction. Each bracket independently supports and guides the energy chain, allowing the system to achieve reliable guidance through distributed support points rather than requiring continuous extensive material coverage.
Solution Approach 2:
The U-shaped brackets utilize three-dimensional spatial arrangement with flanges extending laterally and webs providing vertical support. This dimensional configuration enables effective guidance in multiple directions (lateral and vertical) while minimizing material usage compared to traditional single-plane guide structures.
2Manufacturing precision
If complex assembly processes are used to ensure proper guidance, then guidance precision is maintained, but assembly time and manufacturing complexity increase
Solution Approach 1:
The seat for the guide rail is integrated directly into the U-shaped bracket structure, with recesses formed as part of the bracket itself. This merging of components eliminates separate assembly steps for attaching guide rail seats, simplifying the overall assembly process while maintaining precise guidance through the integrated recess geometry.
Solution Approach 2:
The guide rail is retained by the seat through self-engaging recesses and undercuts that automatically secure the rail when assembled. This self-retaining mechanism eliminates the need for additional fasteners or complex retention systems, reducing assembly complexity while ensuring precise and stable guidance.
3Strength
If metal materials are used for guide device components, then strength and durability are improved, but material costs and corrosion resistance requirements increase
Solution Approach 1:
The U-shaped brackets are produced as single-piece plastic components that combine structural strength with corrosion resistance. The plastic material provides sufficient strength for the guidance function while inherently resisting corrosion, eliminating the need for expensive metal materials and their associated protective coatings or treatments.
Solution Approach 2:
The plastic brackets provide adequate service life for the guidance application at a fraction of the cost of metal components. While plastic may have shorter theoretical lifespan than metal, the brackets are designed to be replaced as part of routine maintenance cycles, and their low cost and corrosion resistance make them economically superior for this application.
Data Source
Figure 1a~2e
Figure 3a~4d
Figure 5a~5d
AI summary
The invention relates to a guiding device for a line, in particular a power chain (12), which can be turned over in such a way that a section (upper run) (16) of the power chain can be positioned above another section (lower run) (14) of the power chain and the upper run and the lower run are connected to each other by an arched section (18), wherein the guiding device has resting surfaces and lateral guiding surfaces and is provided with retaining elements (22) arranged at distances one another in the direction of travel, to which retaining elements guide rails (24) are attached preferably by means of clip connections, which guide rails bridge the distances between the retaining elements and support the lower run and/or the upper run of the line or power chain.