Pivoting Cable Support Assembly for Confined Joint Routing
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Solution Overview
Problem
Existing cable support assemblies face difficulties in forming joints in confined spaces, particularly for long power cables used in underground railways, as the joint diameter is often larger than the cable diameter, making it challenging to accommodate in tight spaces without applying excessive bending forces.
Innovation Solution
A cable support assembly with pivotable cable retaining devices that position cable joints away from the support, allowing for compact arrangement and effective support while preventing excessive bending forces, and incorporating insulator means to prevent electrical conduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If cable joints are formed in confined spaces using conventional support assemblies, then the cable assembly can be installed in tight spaces, but excessive bending forces are applied to the cables
Solution Approach 1:
The cable support assembly incorporates movable support elements that can dynamically adjust their position and orientation along the cable length. This allows the support structure to adapt to the varying diameter profile of the cable assembly, particularly accommodating the larger joint sections without imposing rigid constraints that would generate excessive bending forces.
Solution Approach 2:
The support assembly is designed with adjustable geometric parameters, including the spacing and angular orientation of support elements. These parameters can be modified to match the specific configuration of cable joints, enabling the system to maintain adequate support distances even in confined spaces while preventing excessive bending moments.
2Volume of moving object
If cable joints are positioned closer to the support structure, then the cable assembly becomes more compact, but the joint diameter exceeds the available space
Solution Approach 1:
The support assembly utilizes three-dimensional spatial arrangement with support elements positioned at multiple levels and angles relative to the cable assembly. This dimensional approach allows the system to accommodate the larger joint diameter by distributing support points in space, effectively wrapping around or alongside the expanded joint section without increasing the overall footprint significantly.
Solution Approach 2:
The support structure employs a nested configuration where support elements are arranged concentrically or in layered patterns around the cable assembly. This nesting allows the support system to adapt to the varying cross-sectional dimensions of the cable, particularly accommodating the enlarged joint sections within the same radial envelope as smaller cable sections.
3Ease of manufacture
If conventional fixed cable retaining devices are used, then the installation is simple, but excessive bending forces are applied to the cable at support points
Solution Approach 1:
The cable retaining devices incorporate movable joints and adjustable mounting mechanisms that allow the support points to flex and adapt to cable movements and vibrations. This dynamic capability maintains simple installation procedures while preventing excessive bending forces from being transmitted to the cable at fixed support points.
Data Source
AI summary
A cable support assembly (2) for supporting a cable assembly including (4) a plurality of cables (6, 8, 10) is disclosed. The cable support assembly comprises a support (18) and cable retaining devices for supporting the cable assembly such that a joint (12, 14, 16) between first and second sections (6a, 6b; 8a, 8b; 10a, 10b) of at least one cable is arranged on a side of the cable assembly facing away from the support and is spaced further from the support than sections of the cable located remote from the joint.