Split Cable Laying Cassette for Confined Tube Access
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Solution Overview
Problem
Existing cable laying devices, particularly those using the pushing or carrying-pushing technique for fiber optic cables, face challenges in confined spaces and when the tube opening is near a side wall, due to the size and mass of the injection and pushing mechanisms, which are not well-suited for small diameter and fragile cables.
Innovation Solution
A device comprising a lightweight introduction cassette with a split design and a drive body with adjustable wheels, allowing for easy assembly and operation in tight spaces, with a fluid supply system integrated to manage fluid injection and cable guidance, enabling efficient laying of slender elements like fiber optic cables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional cable laying device with integrated injection and pushing mechanisms is used, then the cable can be laid effectively in open spaces, but the device becomes too large and heavy for confined spaces and areas near side walls
Solution Approach 1:
The device is divided into separate functional modules: a lightweight introduction cassette for cable introduction and a separate driving unit for pushing. This segmentation allows the introduction cassette to be used independently in confined spaces without the heavy injection mechanisms, while the driving unit can be positioned remotely where space is available.
2Adaptability or versatility
If the introduction cassette is designed as a single integrated unit, then the structure is simple, but it cannot be easily adapted to different laying configurations and confined spaces
Solution Approach 1:
The introduction cassette is divided into multiple separable components that can be assembled and configured differently based on the specific laying requirements. This modular structure enables adaptation to various tube positions and confined space configurations while maintaining relative simplicity through standardized connection interfaces.
Solution Approach 2:
The introduction cassette incorporates movable and adjustable elements that allow it to adapt its configuration dynamically. The cassette can be assembled in different orientations and configurations depending on the tube location, whether near side walls or in open spaces, providing versatility without requiring completely different devices for each scenario.
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
The device allows for efficient and compact cable laying in confined spaces by providing a lightweight and adaptable solution that can be easily assembled and operated, ensuring precise guidance and fluid management, thus overcoming the limitations of prior devices.
Implementation Method 1
injecting a fluid into the tube, the fluid being injected with a speed greater than the speed of laying the cable
Data Source
Figure 1~7B
Figure 2
Figure 3~4
AI summary
The invention relates to a device (1) for laying a long-lined member (10) in a tube (11), that comprises an insertion cassette (2) on the one hand and a driving body (3) on the other hand, wherein these two members can be independently mounted about the long-lined member (10) to be laid and further assembled in order to form the laying device. The installation of said device in a laying site is thus made easier.