Corrugated Cargo Restraint Panel for Lightweight Mixed Loads
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Solution Overview
Problem
Securing cargo units in a cargo container, particularly when the cargo consists of numerous small and lightweight units of varying sizes, poses challenges due to the need for effective restraint without causing damage or shifting during transport.
Innovation Solution
The use of dual mode cargo restraint systems involving lightweight, extruded cargo restraint panels and load restraint strips, where the panels are placed adjacent to the cargo stack and the load restraint strips are wrapped around the panels, tensioned, and secured to create a stable bulkhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cargo restraint methods are used to secure numerous small and lightweight cargo units, then the cargo may be effectively restrained, but the cargo units may be compressed or damaged due to their small size and lightweight nature
Solution Approach 1:
A bulkhead is introduced as an intermediary structure between the cargo units and the restraint system. The bulkhead distributes the restraint forces across a larger area, preventing direct compression on individual small and lightweight cargo units while maintaining effective restraint of the entire cargo load.
Solution Approach 2:
The restraint system changes the distribution parameters of applied force by using a distributed restraint approach rather than concentrated forces. Multiple restraint bars and the bulkhead structure spread the restraining forces over a larger area, reducing the pressure on individual cargo units.
2Reliability
If heavy-duty restraint systems are used to secure cargo, then the cargo is securely restrained, but the system becomes difficult to install and remove
Solution Approach 1:
The restraint bars are designed to be movable and adjustable rather than fixed. They can be easily positioned, inserted, and removed from slots in the bulkhead, allowing quick installation and removal while maintaining secure restraint when in place.
Solution Approach 2:
The restraint system is divided into modular components including multiple individual restraint bars, a bulkhead, and attachment mechanisms. This segmentation allows each component to be independently installed and removed, simplifying the overall operation.
3Stability of the object's composition
If rigid restraint structures are used to prevent cargo shifting, then cargo stability is improved, but the system lacks adaptability to different cargo configurations
Solution Approach 1:
The restraint bars are designed to be adjustable in position along the bulkhead, allowing the system to adapt to different cargo heights and configurations while maintaining stable restraint. The movable nature of the bars provides both stability and adaptability.
Solution Approach 2:
The bulkhead and restraint bar system serves multiple functions: it provides stable restraint for various cargo types, allows adjustment for different configurations, and can be used across different cargo loading scenarios. The system is universally applicable to diverse cargo arrangements.
Data Source
AI summary
A corrugated, foldable, cargo restraint panel may be placed adjacent to a stack of cargo units in a cargo container. The cargo restraint panel may comprise an extruded base panel formed from a polymer material with the base panel comprising a first sheet integrally joined to a second sheet by corrugation flutes forming a unitary, integral structure of the base panel. Tails of the load restraint strips may be wrapped around the cargo restraint panel, tensioned, and secured together. The wrapped load restraint strip tails may be tensioned using a tensioning tool or using elastic strips, and the wrapped and tensioned tails may be secured together.