Commercial Cargo Raceway With Pivoting Access Panels
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Solution Overview
Problem
Commercial cargo bodies face challenges in efficiently managing and accessing utility lines such as electrical, pneumatic, and hydraulic lines, as existing raceways do not provide easy access or maintenance options once the floor is fully constructed.
Innovation Solution
The design of utility raceways with pivotable sides and internal cavities allows for easy access to utility lines by opening the raceways even after the floor is fully installed, featuring interchangeable floor planks and a secure snap-in lock mechanism to seal the raceways when closed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the floor is fully constructed with fixed raceways, then the structural integrity and completeness of the cargo body is improved, but the accessibility and ease of maintenance of utility lines deteriorates
Solution Approach 1:
The raceway incorporates pivotable sides that can rotate between a closed position (maintaining structural integrity) and an open position (providing access to utility lines). This dynamic mechanism allows the same structure to serve both protective and accessible functions at different times.
Solution Approach 2:
The raceway is divided into multiple sides that can independently pivot open, allowing selective access to different sections of utility lines without compromising the entire floor structure. Each side can be opened independently to access specific utilities as needed.
2Reliability
If the raceway is sealed to protect utility lines from environmental intrusion, then the protection and reliability of utility lines is improved, but the ease of maintenance and inspection deteriorates
Solution Approach 1:
The snap-in lock mechanism provides a dynamic sealing system that transitions from locked (sealed) to unlocked (open) states. When locked, it provides environmental protection; when unlocked, it allows maintenance personnel to access utility lines for inspection and repair.
Solution Approach 2:
The snap-in lock mechanism is designed to be easily engaged and disengaged by maintenance personnel without requiring specialized tools or complex procedures, enabling self-service maintenance while maintaining reliable sealing when closed.
3Ease of repair
If the raceway structure is made complex to provide access mechanisms, then the ease of maintenance is improved, but the device complexity increases
Solution Approach 1:
The pivotable sides utilize simple hinge mechanisms that allow easy opening and closing without complex actuators or control systems. The mechanical simplicity of the pivot and snap-in lock reduces overall device complexity while maintaining ease of maintenance.
Solution Approach 2:
The snap-in lock mechanism is designed for tool-free operation, allowing maintenance personnel to open and close the raceway using manual force alone, reducing the need for complex locking mechanisms or specialized tools.
Data Source
AI summary
A utility raceway for a commercial cargo body. The utility raceway includes an interior defined between a first side, a second side, a third side opposite the first side, and a fourth side opposite the second side. The utility raceway also includes a first living hinge formed between the first side and the second side and a second living hinge formed between the second side and the third side. The second side is pivotable relative to the first side about the first living hinge and the third side is pivotable relative to the second side about the second living hinge.