Truss Adapter Wrapping Cross-Section for Load Distribution
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Solution Overview
Problem
Existing methods for attaching objects to trusses in the entertainment and construction industries often lead to unpredictable stressing and potential failure due to local loading on truss chords or flanges, which can result in catastrophic structural failures.
Innovation Solution
A device that wraps around the entire cross-section of the truss or beam, applying a light compressive load through a tensioning mechanism to utilize the full moment capacity in bending, shear, and torsion, thereby distributing loads effectively across the structural member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing methods clamp on a single truss chord with U-bolt or circumferential clamp, then the attachment is simple to install, but it causes local loading on truss chords leading to unpredictable stressing and potential failure
Solution Approach 1:
The mounting device transitions from clamping on a single chord (one-dimensional attachment) to wrapping around the entire truss cross-section (three-dimensional enclosure). This dimensional change distributes loads across multiple chords simultaneously, eliminating local loading concentrations and preventing catastrophic failure while maintaining ease of installation through the wrap-around design.
Solution Approach 2:
The device merges multiple attachment points into a single integrated wrap-around structure that encloses the entire truss cross-section. By combining clamping forces across all chords into one unified mounting system, it achieves both simplicity of installation and enhanced structural reliability through distributed load bearing.
2Ease of operation
If loads are hung from the lower truss chord for convenience, then the attachment is easy to implement, but it causes highly unpredictable stressing and may lead to catastrophic failure
Solution Approach 1:
The solution moves from attaching to a single lower chord (one-dimensional point attachment) to enclosing the entire truss cross-section (three-dimensional wrap-around). This distributes the attachment load across all chords in the cross-section, transforming a weak single-point attachment into a strong multi-point distributed attachment that maintains ease of implementation.
3Reliability
If a mounting device wraps around the entire truss cross-section, then it distributes loads effectively and prevents local yielding, but it increases device complexity
Solution Approach 1:
The wrap-around mounting device is segmented into multiple independent clamping sections, each engaging a different chord of the truss. This segmentation allows the complex function of distributing loads across the entire cross-section to be achieved through simpler, modular components that can be independently designed and assembled, reducing overall device complexity while maintaining effective load distribution.
Data Source
AI summary
Devices for mounting objects on space frame truss or other structural members are provided.