Supportive Belly Pad for Rounded Trailer Structural Integrity
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Solution Overview
Problem
Half round or full round tank trailers often lack structural integrity, particularly in regions where panels are welded together without a frame or bracket, leading to insufficient support for heavy loads.
Innovation Solution
A structurally supportive belly pad is designed with a central longitudinal axis and parallel legs, featuring transverse ribs orthogonally intersecting the axis, which is arcuately curved to complement the trailer's outer surface, providing enhanced support and attachment points for the trolley assembly and suspension components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If panels are welded together without a frame or bracket, then manufacturing complexity is reduced, but structural integrity deteriorates
Solution Approach 1:
The belly pad is divided into multiple functional segments: parallel legs for attachment, transverse ribs for structural reinforcement, and a longitudinal extension for additional support. This segmentation allows each part to perform its specific function optimally while maintaining overall structural integrity without requiring a complex frame system.
Solution Approach 2:
The belly pad combines multiple structural elements (legs, ribs, extensions) into a composite support structure that integrates both attachment functionality and structural reinforcement, eliminating the need for separate frame or bracket systems while maintaining strength.
2Strength
If a heavy frame or bracket system is added, then structural integrity is improved, but weight increases
Solution Approach 1:
The belly pad merges the attachment function and structural support function into a single integrated component. The parallel legs provide attachment points while the transverse ribs and longitudinal extension provide structural reinforcement, eliminating the need for separate frame or bracket systems and reducing overall weight.
Solution Approach 2:
The belly pad serves multiple functions simultaneously: it provides attachment points for the trolley assembly through its legs, reinforces the panel structure through its ribs, and reduces overall system weight by eliminating redundant frame components. This multi-functionality resolves the contradiction between strength and weight.
3Ease of manufacture
If the belly pad structure is simplified, then manufacturing cost is reduced, but support capability deteriorates
Solution Approach 1:
The belly pad is segmented into standardizable components (parallel legs, transverse ribs, longitudinal extension) that can be manufactured using conventional processes and assembled together. This segmentation maintains support capability while facilitating cost-effective manufacturing through modular production.
Solution Approach 2:
The composite structure of the belly pad, combining legs and ribs in a integrated design, provides enhanced support capability while remaining manufacturable using standard fabrication processes, thus resolving the contradiction between manufacturing simplicity and structural performance.
Data Source
AI summary
A structurally supportive belly pad is connected to a rounded trailer and configured to support the same near the rear end of the trailer. The belly pad may be arcuately curved complementary to the curvature of the rounded trailer. However, if the belly pad were laid flat, it includes a pair of parallel legs aligned in a generally longitudinal direction with a plurality of transverse ribs extending therebetween. The shape of the belly pad is configured to provide structural support for the trailer which is beneficial especially when the trailer is raised and lowered, typically through hydraulic mechanisms.