Directional Insertion Tool for Pipeline Inspection
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Solution Overview
Problem
Existing systems are inadequate for inserting tools, such as cameras and inflatable bags, into unlocatable plastic pipes, particularly those with small diameters, due to issues like missing tracer wires and distorted signals from nearby utility lines, which hinder effective inspection and fluid control.
Innovation Solution
A directional entry system comprising a launch tube with a removable directional shoe that allows for both vertical and angled insertion into pipes of various diameters, including small ones, using a valve and fitting attachment with sealing mechanisms to prevent fluid escape and protect tools from pipe edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional horizontal insertion methods are used, then tools can be inserted into large diameter pipes, but insertion into small diameter pipes (e.g., 2-inch) is not achievable
Solution Approach 1:
The launch tube is designed to be extendable and retractable, allowing the system to adapt its configuration dynamically. When extended, it provides the necessary reach and structural support for inserting tools into small diameter pipes, while when retracted, it minimizes the device profile for easier handling and installation.
Solution Approach 2:
The system transitions from horizontal insertion to vertical insertion by orienting the launch tube perpendicular to the pipe axis. This dimensional change enables tool insertion into small diameter pipes that cannot accommodate traditional horizontal insertion methods.
2Adaptability or versatility
If vertical insertion is implemented, then small diameter pipes can be accessed, but directional control precision is compromised
Solution Approach 1:
The directional shoe acts as an intermediary component between the launch tube and the tool. It provides a precisely engineered guide surface that ensures accurate directional control as the tool enters the pipe, compensating for any potential misalignment and maintaining high precision even during vertical insertion.
Solution Approach 2:
The directional shoe features a beveled edge with a specific geometry that visually indicates the correct insertion direction. This geometric 'color change' (in terms of orientation) provides intuitive visual feedback to operators, ensuring precise directional control during tool insertion.
3Stability of the object's composition
If the directional shoe is made fixed, then structural stability is improved, but adaptability to different tool sizes and types is reduced
Solution Approach 1:
The directional shoe is designed as a separate, removable component that can be detached and replaced. This segmentation allows the stable launch tube structure to remain while the directional shoe can be swapped to accommodate different tool sizes and types, providing both stability and adaptability.
Solution Approach 2:
The launch tube system is designed with a universal interface that can accommodate multiple types of directional shoes and tools. This multi-functionality allows a single launch tube to serve various purposes by simply changing the directional shoe attachment, maintaining structural stability while achieving versatility.
4Reliability
If sealing mechanisms are added to prevent fluid escape, then fluid control reliability is improved, but device complexity increases
Solution Approach 1:
The sealing system utilizes flexible seals and gaskets that conform to the interface between the launch tube and pipe. These thin film elements provide reliable fluid containment while adding minimal structural complexity, as they rely on elastic deformation rather than complex mechanical structures.
Data Source
AI summary
A device and method for inserting a tool into a pipeline transporting a fluid. The device includes a housing that is attachable to a vertical fitting applied on the pipeline, and a launch tube supported by the housing and including a tool passageway through which a tool is fed. The launch tube moves relative to the housing to raise and lower a shoe at an end of the launch tube into the pipeline. The shoe is and adapted to insert a tool into the pipeline at an angle to the launch tube.