Inflatable Well Rescue Tube for Borewell Wall Stabilization
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Solution Overview
Problem
Existing rescue systems for individuals trapped in wells, particularly those smaller than 30 cm in diameter or with unstable walls, face challenges in providing life support and structural stability during rescue operations, risking victim safety and prolonging rescue times.
Innovation Solution
A well rescue and support system with an extendable tube equipped with retaining balloons and a communication head, controlled by a dashboard, provides life support and structural integrity through air flow management, sensors, and actuators to stabilize the well and ensure safe extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional mechanical equipment or horizontal excavation is used for rescue, then the trapped individual can be extracted, but the well structure may destabilize and collapse
Solution Approach 1:
The patent employs retaining balloons inflated with air or other gases to stabilize the well walls during rescue operations. These balloons are positioned against the well walls to prevent collapse while allowing vertical excavation to proceed, thus maintaining structural stability without compromising rescue speed
Solution Approach 2:
The rescue system is divided into multiple independent components: vertical excavation equipment for rapid removal of soil, retaining balloons for wall stabilization, and life support systems for victim sustenance. This segmentation allows each component to perform its function independently, enabling fast rescue while maintaining well integrity
2Adaptability or versatility
If the well diameter is less than 50 cm, then manual rescue is impossible, but specialized equipment cannot access the victim
Solution Approach 1:
The rescue system uses flexible, deployable structures including inflatable retaining balloons and adjustable support mechanisms that can adapt to different well diameters and configurations. This dynamic adaptability enables the system to access and operate in narrow wells less than 50 cm in diameter where rigid traditional equipment cannot fit
Solution Approach 2:
The patent utilizes flexible inflatable balloons and thin-film structures that can be inserted into narrow wells and expanded to provide support and access. These flexible components can navigate through small openings and adapt to the confined space, making rescue possible in wells too narrow for conventional equipment
3Reliability
If rescue operations take extended time, then the victim's condition deteriorates due to lack of oxygen and psychological stress, but stable well structure requires careful excavation
Solution Approach 1:
The system performs preliminary stabilization by inflating retaining balloons against the well walls before beginning excavation. This pre-positioned support structure prevents wall collapse during the rescue process, allowing faster excavation without compromising safety, thus reducing overall rescue time while maintaining reliability
Solution Approach 2:
The rescue system operates continuously with vertical excavation removing soil without interruption while retaining balloons maintain constant wall support. Life support systems provide continuous oxygen and sustenance to the victim throughout the operation, eliminating delays and reducing total rescue duration while maintaining well stability
4Ease of operation
If support devices are inserted into narrow bore wells, then the victim can be supported, but the device structure becomes complex and difficult to insert
Solution Approach 1:
The support system employs nested, telescoping components where smaller elements are contained within larger ones during insertion. The flexible inflatable balloons and support structures can be collapsed or nested within a compact delivery mechanism that fits through narrow well openings, then deployed and expanded at the target location, simplifying insertion while maintaining functional complexity
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 system ensures continuous life support and structural stability, shortening rescue time and enhancing survival chances by maintaining well integrity and providing real-time monitoring and control.
Implementation Method 1
The processor delivers inflation/deflation signals to a balloon valve located on each retaining balloon. The balloon valve is configured to inflate or deflate the retaining balloon within the well structure to a target volume and thereby apply a pressure on a wall of the well to prevent the well from collapsing.
Data Source
AI summary
A well rescue and support system includes a controller having a processor with program instructions, a compressed gas output valve and a dashboard having a screen and a keypad. A compressed air tank with a regulator connects to the output valve, and a well cap fills a well opening. An extendable tube fluidly connects to the compressed air tank through the output valve. At least one retaining balloon disposed around the extendable tube inflates within the well to apply wall pressure. A communication head with a microphone, a camera, a control wire, and a speaker attach to a balloon end of the extendable tube, connecting to the processor and dashboard through a coaxial cable inside the extendable tube. The processor delivers inflation/deflation signals to balloon valves to control target volumes of the retaining balloons for preventing well collapse during rescue operations.