Low-Profile Turntable for Shipboard Winch Repositioning
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Solution Overview
Problem
Existing winch mounting systems on ships are inflexible, requiring custom base plates and limiting adaptability, as they are permanently fixed and difficult to reposition, leading to inefficiencies in deck space usage and increased costs due to the need for multiple winches and infrastructure.
Innovation Solution
A portable, low-profile turntable system with a rotational element and locking mechanism that allows for easy installation, repositioning, and angular adjustment of winches without mechanical assistance, enabling the use of various winch types on a single platform, reducing the need for custom base plates and infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If winches are permanently fixed to custom base plates welded to the deck, then structural stability and load-bearing capacity are improved, but adaptability and repositioning capability deteriorate
Solution Approach 1:
The system divides the winch mounting into separate modular components: a base plate that attaches to the deck, a turntable assembly with rotational bearing, and the winch itself. This segmentation allows each component to be optimized independently - the base plate provides stable attachment while the turntable enables repositioning, resolving the contradiction between stability and adaptability
Solution Approach 2:
The invention introduces a dynamic rotational element (turntable) between the fixed base plate and the winch. This dynamic component allows the winch to be rotated to different angular positions while maintaining secure attachment, transforming the system from static to dynamically adjustable while preserving structural stability
2Manufacturing precision
If multiple custom base plates are fabricated for different winch positions, then precise positioning and optimal fleet angle are achieved, but manufacturing cost and time increase
Solution Approach 1:
The turntable assembly serves as a universal mounting platform that can accommodate multiple winch positions and orientations using a single standardized base plate design. The rotational capability provides multiple positioning options without requiring custom fabrication for each position, reducing manufacturing cost while maintaining positioning precision
Solution Approach 2:
Instead of changing the physical geometry of base plates for different positions, the system changes the angular parameter of the winch mounting through rotation. This allows the same base plate to achieve multiple positioning configurations by altering the rotational angle, eliminating the need for multiple custom-designed base plates
3Strength
If heavy duty motorized turntables with structural reinforcement are used, then load-bearing capacity is improved, but device weight and footprint increase
Solution Approach 1:
The invention extracts and eliminates unnecessary components from traditional motorized turntables, specifically removing the motor, gear train, and heavy structural reinforcement. The load-bearing capacity is maintained through proper bearing selection and base plate design, while the weight is dramatically reduced by keeping only the essential rotational and mounting components
Data Source
AI summary
A portable, lightweight, and low relief profile turntable is equipped for the universal mounting of different winches and winch-type apparatus suitable for use on the deck of a ship or other surface. The turntable is capable of mounting to an increased number of potential locations on deck where it may be easily manipulated to achieve a useful direction and an optical fleet angle.