Oscillating Ground Pressure Mine Detonator
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Solution Overview
Problem
Conventional small, robot-mounted mine flails and rollers face difficulties in generating sufficient force to detonate pressure-sensitive explosive devices buried in or on the ground, limiting their effectiveness and portability.
Innovation Solution
A ground pressure detonation device featuring a housing with an oscillation subsystem, including counter-rotating wheels and a spring system, which generates oscillatory force to ensure detonation of explosive devices by bouncing up and down on the ground, allowing for efficient and portable mine clearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If conventional small robot-mounted mine flails are used, then portability is improved, but the force generated is insufficient to guarantee mine detonation
Solution Approach 1:
The patent employs an oscillation subsystem that generates high-frequency mechanical vibrations and oscillatory impacts. The system includes oscillating masses that create rhythmic pounding motions, allowing a lightweight device to deliver sufficient cumulative force to detonate mines through repeated oscillatory impacts rather than relying on a single heavy strike.
Solution Approach 2:
The mine flail utilizes periodic oscillatory motion through counter-rotating wheels with attached masses that create repeated impact cycles. This periodic action accumulates force over time, enabling a lightweight device to achieve the necessary detonation threshold through sustained oscillatory pounding rather than relying on massive single impacts.
2Force
If heavy ground rollers are used, then sufficient ground pressure is achieved to detonate mines, but the device complexity and mass increase significantly
Solution Approach 1:
Instead of using heavy rollers that rely on gravitational weight to generate ground pressure, the patent employs an oscillation subsystem that creates high-frequency mechanical vibrations and rhythmic impacts. This allows a lightweight device to generate sufficient ground pressure through oscillatory motion rather than relying on massive rolling weights.
Solution Approach 2:
The patent replaces the conventional mechanical roller system that relies on gravity and mass with an oscillation-based system using counter-rotating wheels and oscillating masses. This substitution enables force generation through rhythmic mechanical oscillation rather than gravitational weight, significantly reducing device mass and complexity while maintaining effective ground pressure.
3Device complexity
If conventional mine flails are used, then device simplicity is maintained, but the oscillatory force is insufficient to ensure detonation
Solution Approach 1:
The patent enhances conventional flail design by incorporating an oscillation subsystem with counter-rotating wheels and attached masses that generate high-frequency mechanical vibrations. This addition provides sufficient oscillatory force to ensure mine detonation while maintaining relatively simple overall device structure, avoiding the complexity of heavy roller systems.
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 effectively detonates pressure-sensitive explosive devices with a small, man-portable design, overcoming the limitations of conventional flails and rollers by providing sufficient oscillatory force to ensure detonation while being lightweight and capable of navigating obstacles.
Implementation Method 1
The device may include a spring between the foot and the housing configured to store energy to the oscillation subsystem when the housing contacts the foot and the foot contacts the ground and configured to return energy to the oscillation subsystem as the foot and the housing bounce away from the ground
Implementation Method 2
The drive system may include a motor coupled to the two wheels configured to rotate the two wheels in a counter-rotating direction with respect to each other such that the masses on each of the two rotating wheels oscillate the housing
Implementation Method 3
The spring and/or the drive subsystem may be configured to create a resonant condition that transfers energy into the oscillating force
Data Source
AI summary
A ground pressure detonation device includes a housing, a foot coupled to the housing, and an oscillation subsystem associated with the housing configured to oscillate the housing such that the foot impacts the ground with sufficient oscillating force to ensure detonation of one or more pressure sensitive explosive devices in and/or on the ground.