Shelf Beam Connection Structure for Higher Rack Load Capacity
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Solution Overview
Problem
Storage racks are limited in weight capacity by the strength of their fastening mechanisms, which can restrict the overall structure's strength, even if the beams and shelving are robust, leading to increased costs and space requirements due to the need for more racks.
Innovation Solution
A support structure featuring a channel on a vertical bar that mates with a protrusion on a vertical column, transferring weight and pressure from the fastening mechanism to the column, thereby distributing the load and increasing the rack's weight-bearing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional fastening mechanisms are used to connect beams and vertical bars, then the structure can be assembled, but the weight capacity is limited by the strength of the fastening mechanisms
Solution Approach 1:
The connection system is segmented into distinct functional elements: the channel formed in the vertical bar, the protrusion on the column, and the fastening mechanism. This segmentation allows the weight-bearing function to be separated from the fastening function, with the channel-protrusion interface handling the primary load transfer while fasteners secure the connection.
Solution Approach 2:
The channel is formed on the inner surface of the vertical bar, creating a new dimensional interface between the bar and column. This additional surface dimension allows for direct weight transfer through contact between the channel and protrusion, rather than relying solely on the fastening mechanism's tensile strength.
2Strength
If stronger fastening mechanisms are used to increase weight capacity, then the storage rack can hold more weight, but the cost and complexity of the fastening mechanism increases
Solution Approach 1:
The weight-bearing function is extracted from the fastening mechanism and transferred to the channel-protrusion interface. The fastening mechanism is reduced to its essential function of securing the connection, while the primary load transfer is handled by the structural geometry of the channel and protrusion.
Solution Approach 2:
The channel acts as an intermediary structure that facilitates direct contact and weight transfer between the vertical bar and column. This intermediary element allows the load to be distributed through a larger contact area, reducing the stress on any single fastening point.
3Device complexity
If the fastening mechanism bears all the weight, then the connection is simple, but the overall structure cannot support significant weight
Solution Approach 1:
The channel and protrusion are merged into the structural geometry of the vertical bar and column respectively, creating an integrated load-bearing interface. This merging allows the connection structure itself to contribute to weight capacity, rather than relying solely on separate fastening components.
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 allows storage racks to hold more weight, reducing the need for multiple racks and lowering costs by distributing the load through the column, enhancing structural integrity and safety by reducing the reliance on fastening mechanisms.
Implementation Method 1
a contact surface of the channel of the vertical bar directly contacts and creates frictional forces with a contact surface of the protrusion of the vertical column
Data Source
AI summary
A support structure is disclosed that allows additional weight to be supported. The support structure includes a shelf beam that includes a horizontal beam and a vertical bar. The vertical bar attaches to a vertical column using a fastening mechanism. In addition, the vertical bar includes a channel that corresponds to a protrusion on the vertical column. When the shelf beam and the vertical column are fastened to each other, the protrusion of the vertical column mates with the channel of the vertical bar of the shelf beam. As a result of the protrusion and the channel mating with each other, weight or pressure that is exerted on the horizontal beam is transferred, absorbed and/or supported by the support structure, thereby allowing additional weight to be supported by the support structure.