Elevating Platform Mounting Plates That Convert Peel Stress to Shear
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Solution Overview
Problem
Existing elevating platforms, particularly those used with utility trucks, often lack visibility due to opaque construction, leading to reduced operator awareness of their surroundings and increased risk of collisions.
Innovation Solution
The implementation of transparent or translucent materials in platform walls, doors, and knee spaces, along with a mounting system that transforms tension stress into shear stress using a vertically elongated mounting plate with rounded corners and top and side tabs, enhances visibility and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If opaque construction materials are used for platform walls, then structural strength and durability are improved, but operator visibility and situational awareness deteriorate
Solution Approach 1:
The mounting plate incorporates different material properties in different regions: the main body uses opaque, strong material for structural support, while specific areas (such as the rear portion or integrated panels) use transparent or translucent material to provide visibility. This local differentiation allows simultaneous achievement of strength and visibility requirements.
2Ease of manufacture
If traditional mounting methods are used for platform components, then manufacturing simplicity is maintained, but stress distribution and mounting reliability deteriorate due to tension stress concentration
Solution Approach 1:
The mounting plate extends in multiple dimensions with specific geometric features: it has a length dimension that provides leverage for insertion, a width dimension that distributes stress, and integrated tabs that wrap around structural members. The rounded corners and tab configurations transform the mounting from a simple attachment to a multi-dimensional stress-distributing structure that converts tension to shear stress.
3Manufacturing precision
If sharp-cornered mounting plates are used, then manufacturing precision is improved, but stress concentration and structural reliability deteriorate
Solution Approach 1:
The mounting plate features rounded corners instead of sharp angles. This curvature eliminates stress concentration points that would occur at sharp corners under load. The rounded geometry distributes mechanical stresses more evenly across the plate structure, improving reliability while maintaining manufacturability through standard forming processes.
Data Source
AI summary
Mounting plates for elevating platforms, including a mounting apparatus with interior and exterior reinforcement components elongated vertically. The interior reinforcement piece includes an embedded bolt that extends from the interior reinforcement piece, through a wall of the platform, and through the exterior reinforcement component. The interior and exterior reinforcement components have a stepped construction to convert peel stress to shear stress.