Oyster Cage Flipping System Using Boat Motion
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Solution Overview
Problem
Current methods for flipping oyster cages in aquaculture are labor-intensive and require manual effort, either by two people in a boat or by a single person entering the water.
Innovation Solution
An oyster cage flipping system mounted on a boat, featuring a support structure, a carriage that travels along the support structure, and a lifting device, which allows for the automated flipping of oyster cages from a floating position to an inverted position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual flipping methods are used, then the system complexity is low, but the labor intensity and time consumption are high
Solution Approach 1:
The system uses the boat's own motion and a simple mechanical linkage to automatically flip the oyster cage, eliminating the need for complex automated mechanisms while maintaining high productivity. The cage flipping is achieved through the boat's movement rather than requiring a complex flipping mechanism.
Solution Approach 2:
The system divides the flipping operation into simple sequential steps: the boat moves to position itself, the mechanical linkage engages, and the cage flips automatically. This segmentation of the complex task into simple steps reduces overall system complexity while improving efficiency.
2Loss of time
If manual flipping by two people is used, then the equipment requirement is minimal, but the time consumption and labor effort are high
Solution Approach 1:
The system allows the boat to perform the flipping action itself through its motion, eliminating the need for multiple operators. The mechanical linkage converts the boat's movement into the flipping action, reducing time consumption while maintaining ease of operation.
3Reliability
If manual flipping by entering water is used, then the equipment requirement is minimal, but the safety risk and labor intensity are high
Solution Approach 1:
The mechanical linkage acts as an intermediary between the boat's motion and the cage flipping action. This intermediary mechanism transfers the flipping task from manual water entry to a mechanical system, improving safety while keeping the system relatively simple.
4Productivity
If automated lifting device is added, then the productivity increases, but the device complexity increases
Solution Approach 1:
The system uses dynamic movement of the boat itself to drive the flipping mechanism rather than requiring a complex automated lifting device. The mechanical linkage adapts to the boat's motion, achieving high productivity through dynamic interaction rather than complex automation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables efficient and safe flipping of oyster cages with minimal manual labor, reducing the risk of injury and increasing productivity by allowing a single operator to manage the process.
Implementation Method 1
the floatation device floats upward causing the carriage table to move from the release position to the lifting position
Data Source
AI summary
Systems and methods for flipping floating oyster cages are disclosed. The system includes a support structure that when in a deployed position, the second end is submerged in water and the first end remains above water, a carriage configured to travel along the support structure and to engage with a floating cage, and a lifting device configured to move the carriage. The carriage includes a carriage guide moveably attached to the support structure, a lift arm attached to the carriage guide, a balance bar attached at the distal end of the lift arm, and a flipping apparatus. The flipping apparatus includes a carriage table coupled to the balance bar at the distal end of the lift arm such that the carriage table rotates about a rotation axis of the balance bar, where the carriage table includes a lifting frame adapted to allow water to flow through the lifting frame.