Portable Fire Hose Dewatering Device Using Rotating Shaft
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Solution Overview
Problem
Firefighters face challenges in efficiently and safely removing water from large, heavy fire hoses after a fire, requiring substantial manpower and time, and existing solutions are often complex, unreliable, and not adaptable to different hose sizes or configurations.
Innovation Solution
A portable fire hose dewatering device comprising a mounting base, rotatable shaft, and pull handles, designed for easy use by one or more persons, allowing for efficient water removal without lifting the hose's weight, with components that can be adjusted and securely fastened for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional manual methods are used to remove water from fire hoses, then firefighters can drain the hoses, but substantial manpower and time are required
Solution Approach 1:
The device employs a rotatable shaft with rotating components that dynamically move along the hose to propel water forward, transforming the static manual lifting process into a dynamic automated dewatering system that significantly reduces time and manpower requirements
Solution Approach 2:
The device enables the hose to dewater itself through the rotating components that move along its length, eliminating the need for multiple firefighters to manually handle and lift the heavy hose, thus achieving self-service dewatering
2Extent of automation
If existing dewatering devices are used, then water removal can be automated, but they are complex and unreliable
Solution Approach 1:
The device is segmented into simple, modular components including a mounting base, rotatable shaft, rotating components, and pull handles, allowing for easy assembly, maintenance, and replacement without requiring complex integrated systems
Solution Approach 2:
The device uses simple, replaceable components that can be easily manufactured and replaced if needed, avoiding reliance on complex, expensive, and hard-to-maintain automated systems
3Adaptability or versatility
If existing dewatering devices are used, then some automation is achieved, but they are not adaptable to different hose sizes or configurations
Solution Approach 1:
The device is designed with universal mounting options and adjustable components that can accommodate various hose sizes, lengths, and configurations, allowing a single device to serve multiple dewatering needs without requiring complex adjustment mechanisms
Solution Approach 2:
The rotatable shaft and rotating components can dynamically adapt to different hose configurations during operation, providing versatility without requiring pre-adjustment or complex mechanical adjustment mechanisms
4Ease of operation
If firefighters manually lift and roll heavy hoses, then hoses can be stored, but the physical burden on firefighters is substantial
Solution Approach 1:
The device enables the heavy hose to effectively dewater itself without requiring firefighters to manually lift or support its weight, with only the lightweight device and handles needing to be moved by personnel
Solution Approach 2:
The device counteracts the weight burden by using the rotating components to propel water forward and drain the hose, eliminating the need for firefighters to physically support or lift the heavy water-filled hose
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 enables fast and ergonomic water removal from fire hoses, reducing the physical burden on firefighters and allowing for efficient storage, with a universal design suitable for different hose sizes and configurations, minimizing human intervention and operational costs.
Implementation Method 1
a rotating component interplaced between each end of the mounting base/or a pair of blocks and the rotatable shaft
Implementation Method 2
a rotatable shaft; a rotating component interplaced between each end of the mounting base/or a pair of blocks and the rotatable shaft
Data Source
AI summary
A portable fire hose dewatering device made of durable materials and used by one or more persons. It is considered fire fighting equipment and more specifically for efficiently removing the water from fire hoses prior to the hoses being rolled and stored. The device includes a mounting base, a rotatable shaft, bearings at the shaft ends, a pair of side structures/flanges on the mounting base, a spacer bar, and a set of pull handles connected to the side flanges.