Dual-Layer Leaching Protector for Shooting Ranges
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Solution Overview
Problem
Existing leaching protectors for outdoor shooting ranges are inefficient due to uncontrolled leaching of lead and contaminants from ammunition, and the need for frequent replacement of the elastic covering layer, which is uneconomical and affected by precipitation and freezing conditions.
Innovation Solution
A dual-layer covering arrangement with a security layer and a firing layer, where the security layer is made of a durable material for infrequent penetrations and the firing layer is made of an elastic material for frequent penetrations, allowing for separate replacement and improved resistance to outdoor conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single elastic covering layer is used for the entire shooting range surface, then the layer can be replaced uniformly, but the cost and effort increase significantly when only part of the layer is damaged
Solution Approach 1:
The covering layer is divided into two separate functional layers: a security layer for areas with low projectile penetration probability and a firing layer for areas with high penetration probability. This segmentation allows each layer to be optimized independently and replaced separately based on actual wear and damage conditions, avoiding the waste of replacing entire undamaged sections.
Solution Approach 2:
Different materials are used for different layers based on their specific functional requirements. The security layer uses a durable material suitable for infrequent penetrations, while the firing layer uses an elastic material optimized for frequent penetrations. This local quality approach ensures each layer performs its specific function optimally while allowing selective replacement.
2Reliability
If the covering layer is made of elastic material to minimize entry holes, then projectile penetration is reduced, but the layer must be frequently replaced when damaged
Solution Approach 1:
The covering system is segmented into two layers with different material properties and service lifetimes. The firing layer made of elastic material provides reliable projectile arrest with minimal entry holes but has a shorter service life requiring frequent replacement. The security layer made of durable material has a longer service life and is replaced less frequently, overall reducing material waste while maintaining reliability.
Solution Approach 2:
The elastic material is applied locally only where frequent projectile penetrations occur (firing layer), while durable material is used where penetrations are infrequent (security layer). This local quality approach optimizes the balance between reliability and service life by matching material properties to actual usage conditions.
3Object-affected harmful factors
If the covering layer is made of durable material to resist outdoor conditions, then weather resistance is improved, but the material is less effective at minimizing entry holes from projectile penetration
Solution Approach 1:
Different material properties are assigned to different layers based on their exposure to harmful factors and projectile penetration. The security layer exposed to weather uses durable material for weather resistance, while the firing layer experiencing frequent penetrations uses elastic material for projectile arrest effectiveness. This local quality approach resolves the contradiction by optimizing each layer for its primary function.
Solution Approach 2:
The covering system is segmented so that the security layer handles weather exposure with durable material, while the firing layer handles projectile penetration with elastic material. This segmentation allows each layer to be optimized for its specific function without compromise.
4Reliability
If the entire covering layer is replaced when damaged, then the shooting range maintains full protection, but the cost and resource consumption increase unnecessarily
Solution Approach 1:
The covering layer is segmented into two independently replaceable layers. When damage occurs, only the affected layer needs to be replaced rather than the entire covering system. This segmentation maintains full protection effectiveness while significantly reducing material consumption and replacement costs.
Solution Approach 2:
The segmented layer structure enables selective discarding and replacement of only the damaged layer while recovering and retaining the undamaged layer. This approach maintains protection effectiveness while minimizing material consumption by avoiding replacement of functional portions of the covering system.
Data Source
AI summary
The object of the present invention is to provide a leaching protector at outdoor shooting ranges comprising an elastic covering layer arrangement (100), a projectile-arresting material and a drainage arrangement. The covering layer arrangement (100) comprises a security layer (101) covering a security area (110) having a low probability of being penetrated by projectiles and a firing layer (102) covering a firing area (120) having a high probability of being penetrated by projectiles. The security layer (101) and the firing layer (102) are penetrable by projectiles. The security layer (101) is made of a first material and the firing layer (102) is made of a second material.