Modular Projectile Trap Assembly with Detachable Bulkheads
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Solution Overview
Problem
Conventional projectile traps, particularly scroll-type steel bullet traps, face challenges in maintenance and debris collection due to complex assembly, heavy components, and potential ricochet hazards from protruding fasteners or seams, which complicates cleaning and increases the risk of material regurgitation and shooter safety.
Innovation Solution
The improved projectile trap assembly features a modular design with detachable bulkhead plates, a screw-action jacking system for easy scroll removal, reversible deflection plates to prevent ricochet, and a bucket replacement mechanism with a one-handed operation, allowing for efficient maintenance and debris collection without external seam covers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional scroll-type steel bullet traps use complex assembly with protruding fasteners or seams, then structural strength is improved, but maintenance accessibility deteriorates and ricochet hazards increase
Solution Approach 1:
The trap assembly is divided into modular components including detachable bulkhead plates, removable scroll assemblies, and separable collection buckets. This segmentation allows individual parts to be accessed, cleaned, or replaced without disassembling the entire structure, directly improving maintenance accessibility while maintaining structural integrity through standardized connection interfaces.
Solution Approach 2:
The design extracts and removes protruding fasteners and seams from the interior surfaces that could cause ricochets. Fasteners are positioned externally or concealed within recesses, and seams are eliminated or covered by smooth transition plates. This extraction eliminates the harmful protruding elements while preserving the structural strength needed for trap operation.
2Reliability
If conventional traps use heavy components for durability, then reliability is improved, but ease of repair and component replacement deteriorates
Solution Approach 1:
The trap is segmented into heavy-duty but individually replaceable components such as bulkhead plates, scroll assemblies, and collection buckets. Each component maintains sufficient weight and material strength for reliability during operation, but can be independently removed and replaced through standardized attachment mechanisms, significantly improving ease of repair and component replacement.
Solution Approach 2:
The design enables easy discarding and recovering of wear-prone components like collection buckets and scroll assemblies. These components can be quickly removed when worn or damaged and replaced with fresh ones, while the heavier structural components like bulkhead plates remain in place. This selective replacement strategy maintains reliability through proper component recovery while improving repair ease through simplified replacement procedures.
3Reliability
If conventional traps have complex assembly structures, then containment effectiveness is improved, but device complexity increases and maintenance becomes more difficult
Solution Approach 1:
The containment structure is segmented into functional modules including bulkhead plates, scroll assemblies, and collection systems. Each module performs a specific containment function but can be independently accessed and maintained. This segmentation reduces overall assembly complexity by allowing targeted disassembly and repair of individual components without affecting the entire structure, while maintaining containment effectiveness through proper modular design.
Solution Approach 2:
Standardized connection interfaces and mounting mechanisms are used across different components, giving universal applicability. The same attachment method can be used for assembling bulkhead plates, scroll assemblies, and collection buckets. This universality simplifies maintenance by reducing the variety of fastening types and procedures needed, while maintaining containment effectiveness through consistent, reliable connections.
4Reliability
If conventional traps use fixed collection systems, then debris collection capability is improved, but adaptability and ease of maintenance deteriorates
Solution Approach 1:
The collection system transitions from fixed to dynamic and adjustable. Collection buckets can be easily removed, replaced, and repositioned along the trap structure. The system adapts to different maintenance needs and operational conditions, allowing operators to adjust collection point locations and configurations. This dynamic design maintains reliable debris collection capability while significantly improving maintenance adaptability and operational flexibility.
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
This design enhances maintenance accessibility, reduces repair costs, minimizes the risk of material regurgitation, and ensures safer operation by allowing easy cleaning and replacement of components, while preventing ricochets and facilitating efficient debris collection.
Implementation Method 1
The containment chamber has an ingress point receiving a fired bullet and an egress point for distributing the bullet. The bullets are slowed down as gradually as possible to generate the least amount of particulate debris.
Implementation Method 2
a screw-action jacking system for easy scroll removal
Implementation Method 3
a bucket replacement mechanism with a one-handed operation, allowing for efficient maintenance and debris collection
Data Source
AI summary
An improved projectile trap assembly includes a frame that supports a channel and a containment chamber. The containment chamber has an ingress point receiving a fired bullet and an egress point for distributing the bullet. The containment chamber is supported by a pair of bulkhead plates that are connected to the frame. Each bulkhead plate defines an aperture, with a scroll assembly being mounted between bulkhead plates proximate the aperture. The scroll assembly includes a front scroll affixed and a rear scroll detachably connected to the bulkhead plates. A side plate is detachably connected to the bulkhead plate opposite said front and rear scrolls to seal the scroll assembly to receive bullets. The containment chamber additionally includes upper and lower trap plates that are positioned proximate upper and lower channel plates at the ingress point. Finally, a plurality of collection buckets positioned below said front scroll in an adjustable position.