Double-Surface Tray Loading Base for Stress Dispersion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current tray support systems in cargo transport devices suffer from stress concentration, leading to reduced strength, fatigue life, and safety issues due to single-sided stress distribution, resulting in potential cracks and tears.
Innovation Solution
A double-surface contact tray loading base is designed with a hook lug and support plate arrangement on the loading surface, along with longitudinal and transverse stoppers and a reinforcement rib, which disperses stress and enhances stability by increasing the contact area with the bracket, preventing movement, and improving structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple hook structure is used for tray support, then the device complexity is reduced, but the stress concentration increases and the strength decreases
Solution Approach 1:
The hook structure transitions from a single-sided contact design to a double-sided contact design by adding the support plate at the lower end. This dimensional change distributes the load across two contact surfaces (upper end hook lug and lower end support plate), reducing stress concentration while maintaining structural simplicity
Solution Approach 2:
The hook is segmented into distinct functional parts: the hook lug at the upper end for primary attachment and the support plate at the lower end for additional support. This segmentation allows each part to bear specific portions of the load, improving overall strength without significantly increasing complexity
2Ease of manufacture
If a single-sided contact hook structure is used, then the manufacturing is simpler, but the stress area is reduced and stress concentration occurs
Solution Approach 1:
The design adds a lower end support plate to create double-sided contact with the bracket, effectively utilizing both upper and lower surfaces. This increases the stress area and distributes loads more evenly, reducing stress concentration while maintaining ease of manufacture through straightforward structural additions
3Device complexity
If the hook structure is simplified, then the device complexity is reduced, but the loading capacity decreases
Solution Approach 1:
By transitioning from single-sided to double-sided contact, the loading capacity increases significantly (80% improvement) as the load is distributed across two contact surfaces. The structure remains relatively simple by maintaining the basic hook form while adding the support plate element
4Ease of manufacture
If the single-sided contact structure is used, then the manufacturing is easier, but the service life is reduced
Solution Approach 1:
The double-sided contact design distributes mechanical stresses more evenly across the hook structure, reducing fatigue accumulation. This extends the service life by approximately 68% compared to single-sided contact designs, while the manufacturing process remains relatively simple and straightforward
Data Source
AI summary
A double-surface contact tray loading base comprises a loading surface (4) and a hook (1) arranged on an outer end of the loading surface (4), the hook (1) comprises a hook lug (1-2) and a support plate (6), the hook lug (1-2) is arranged on an upper side of the outer end of the loading surface (4), and the support plate (6) is arranged on a lower side of the outer end of the loading surface (4), thus forming the double-surface contact tray loading base.