Pipeline Inspection Stabilizer With Retractable Spacers for Axial Alignment
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Solution Overview
Problem
Existing pipeline inspection devices struggle to maintain a centralized position within pipelines with bends and inline valves while assessing the entire interior surface, leading to potential signal loss and incomplete data collection.
Innovation Solution
A stabilizer apparatus for pipeline inspection devices, comprising forward and aft spacers with independently movable whiskers that extend to contact the pipeline wall, maintaining the device's axial alignment and resisting forces that disrupt its position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the inspection device is made flexible to navigate bends and valves, then the device can move through complex pipeline structures, but the device cannot maintain centralized position and axial alignment
Solution Approach 1:
The stabilizer is divided into multiple independent spacers (forward spacer, rear spacer, and additional spacers) that can function autonomously. Each spacer independently contacts the pipeline wall to provide stabilization, allowing the inspection device to maintain centralization while navigating complex pipeline structures with bends and valves.
Solution Approach 2:
The spacers are designed with movable whiskers that can dynamically adjust their position. The whiskers extend outward to contact the pipeline wall when needed for stabilization, and can be retracted when not required, allowing the device to adapt to different pipeline conditions while maintaining centralization.
2Stability of the object's composition
If spacers are extended outward to contact the pipeline wall for stabilization, then the inspection device maintains centralized position, but the overall device diameter increases
Solution Approach 1:
The spacers incorporate movable whiskers that can extend outward to contact the pipeline wall when stabilization is needed, and retract when not required. This dynamic configuration allows the device to maintain a compact form during insertion and retrieval while expanding only when needed for centralization and stabilization.
Solution Approach 2:
The spacers are designed to be nested within the inspection device body when in the retracted position, minimizing the overall device diameter. When stabilization is required, the spacers extend outward from the nested configuration to contact the pipeline wall, providing centralization without permanently increasing device size.
Data Source
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AI summary
There is provided a pipeline inspection device stabilizer apparatus for use with a pipeline inspection device configured to assess the condition of a pipeline while being carried by a moving liquid in the pipeline, the device including an inspection module, the apparatus comprising a forward spacer secured in front of the inspection module and a rear spacer secured behind the inspection module, each of the front spacer and the rear spacer configured to move between a collapsed position close to the device and an outward position extending away from the device and towards the pipeline wall, wherein when in the outward position the front and rear spacers contact the pipeline wall to distance the inspection module from the pipeline wall and maintain axial alignment or substantial axial alignment of the inspection module with the longitudinal center of the pipeline.