Segmented Rudder Bearing Assembly for Marine Vessels
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Solution Overview
Problem
Existing rudder bearings for watercraft are prone to frequent wear due to the constant turning of the rudder stock, requiring frequent replacement of large and heavy bearing elements, which is technically complex and costly.
Innovation Solution
A segmented bearing element comprising at least three annular segments that are combined to form a homogeneous, fixed bearing element, simplifying assembly and reducing manufacturing and storage costs, and potentially incorporating self-lubricating materials for reduced maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bearing elements are made as large and heavy one-piece components, then structural strength and load-bearing capacity are improved, but manufacturing complexity and installation difficulty increase significantly
Solution Approach 1:
The bearing element is divided into multiple segments that can be manufactured separately and assembled together. Each segment is smaller and lighter, making manufacturing and installation easier, while the combined segments form a complete bearing element with sufficient load-bearing capacity. The segments are connected through connecting means such as bolts or interference fits to ensure structural integrity.
2Stability of the object's composition
If bearing elements are made as large and heavy one-piece components, then structural integrity is improved, but installation and removal become more difficult
Solution Approach 1:
The bearing element is segmented into multiple manageable pieces that can be easily transported and installed. The segments are designed with connecting means that ensure they form a stable, integrated structure once assembled, providing the same structural integrity as a one-piece component while dramatically improving ease of installation and removal.
Solution Approach 2:
The bearing element transitions from a static one-piece component to a dynamic assembly of segments that can be independently handled, positioned, and installed. This allows for flexible installation procedures where segments can be maneuvered into place separately and then secured together, making the installation process adaptable to different空间和access conditions.
3Force
If bearing elements are made as large and heavy one-piece components, then load-bearing capacity is improved, but manufacturing and storage costs increase
Solution Approach 1:
The bearing element is divided into multiple segments that can be manufactured using smaller, more economical equipment. Each segment requires less material and less energy to manufacture, and can be produced in parallel. The segments are then connected to form a complete bearing element with sufficient load-bearing capacity, reducing overall manufacturing costs while maintaining structural performance.
Solution Approach 2:
The bearing element is constructed as a composite structure of multiple segments connected through joining mechanisms. This composite approach allows each segment to be optimized for its specific function and material requirements, potentially using different materials or treatments for different segments, thereby reducing overall material costs while maintaining or enhancing load-bearing capacity.
4Reliability
If bearing elements are made as large and heavy one-piece components, then structural stability is improved, but frequency of replacement increases due to wear
Solution Approach 1:
The bearing element is segmented so that individual segments can be replaced independently when worn, rather than replacing the entire bearing element. This extends the service life of the bearing assembly, as only the worn segments need to be replaced while the remaining segments continue to function. The connecting means ensure that the assembled bearing element maintains structural stability and reliability.
Data Source
AI summary
A bearing element is provided which has at least three individual annular segments which are each combined to form a homogeneous, inherently fixed bearing element. The individual annular segments each abut against at least two further annular segments and are interconnected by connecting means.