Pivot Block Connection for Gangway Durability
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Solution Overview
Problem
Pivotable gangway devices face challenges in durability due to increasing loads, requiring a solution that enhances durability without compromising functionality.
Innovation Solution
A pivot block connection assembly that includes a pivot rod extending through support bodies and brackets, with spacers and bearings to distribute loads and reduce wear, allowing the gangway to pivot between raised and lowered positions while providing secure attachment to a stationary base.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pivotable gangway device uses a simple pivot connection, then the device complexity is low, but the durability and load-bearing capacity are insufficient
Solution Approach 1:
The pivot connection is divided into multiple components: support bodies, brackets, pivot rod spacers, and bearings. Each component performs a specific function, allowing the system to handle increased loads while maintaining manageable complexity through modular design.
Solution Approach 2:
The connection assembly combines multiple materials and components (metal support bodies, brackets, spacers, and bearings) to create a composite structure that distributes stress and enhances overall durability and load-bearing capacity.
2Strength
If the pivot connection uses more components to increase durability, then the load-bearing capacity improves, but the device complexity increases
Solution Approach 1:
Multiple components (support bodies, brackets, spacers, and bearings) are merged into a single integrated pivot connection assembly that functions as a unified load-bearing structure, distributing forces across all components to enhance overall strength.
Solution Approach 2:
Pivot rod spacers and bearings act as intermediary components between the support bodies and brackets, facilitating smooth rotation while distributing loads and reducing wear, thereby enhancing load-bearing capacity without requiring a complete redesign of the connection structure.
3Reliability
If the pivot connection is designed for high durability, then the wear resistance improves, but the ease of manufacture decreases
Solution Approach 1:
The wear-prone pivot connection is segmented into replaceable components (bearings, spacers, support bodies), allowing individual parts to be manufactured with high precision for optimal wear resistance while simplifying the overall manufacturing process through standardized components.
Solution Approach 2:
Certain wear-prone components like bearings and spacers are designed as replaceable elements that can be easily replaced when worn, allowing the main structural components (support bodies and brackets) to remain in service for extended periods, thereby improving overall system durability.
Data Source
AI summary
A pivot block connection and assembly is disclosed. The pivot block assembly may include a pivot block connection and a gangway device having a stationary base and a pivotable access that is capable of being raised and lowered. The pivot block connection may include a first support body attached to a first side of the pivotable access, a first pivot bracket attached to the stationary base, and a first pivot rod spacer positioned between the first support body and the first pivot bracket. The pivot block connection may also include a second support body attached to a second side of the pivotable access, a second pivot bracket also attached to the stationary base, and a second pivot rod spacer positioned between the second support body and the second pivot bracket. A pivot rod may extend through the first pivot bracket, the first pivot rod spacer, the first support body.