Boat Lift Horizontal Positioning via Drive Rollers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional boat docking systems limit the positioning of watercraft, particularly when lifts and docks are in close proximity, restricting the length of boats that can be owned and the choice of real estate due to interference with neighboring facilities, and hinder precise positioning for loading and maintenance.
Innovation Solution
A modified boat lift system that allows horizontal movement of a watercraft after vertical lifting, using soft support rollers and drive rollers connected to a separate power motor, enabling the boat to be moved forward or backward, accommodating various hull styles and propulsion configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If traditional vertical lifting only is used, then the boat lift structure can be simple and compact, but the boat cannot be positioned beyond the lift's horizontal boundary, limiting boat length and real estate options
Solution Approach 1:
The lift system is segmented into two independent functional modules: a vertical lifting mechanism and a horizontal positioning mechanism. The horizontal mechanism uses separate rollers (support rollers and drive rollers) that can be independently controlled, allowing the boat to be lifted vertically and then moved horizontally along the piling. This segmentation enables longer boats to be accommodated without increasing the overall footprint of the lift structure.
Solution Approach 2:
The roller-based horizontal positioning mechanism serves multiple functions: it supports the boat's weight during horizontal movement, provides guided movement along the piling, and enables precise positioning at any horizontal location. The same rollers can accommodate different boat lengths and configurations, making the system universal for various boat sizes without requiring additional structural elements.
2Area of stationary object
If lifts and docks are placed in close proximity to maximize land use, then real estate efficiency is improved, but the boat's horizontal movement is restricted by boundary lines, interfering with neighboring facilities
Solution Approach 1:
The system transitions from a static positioning system (where the boat is fixed at one horizontal location) to a dynamic system where the boat can be moved horizontally along the piling after vertical lifting. The drive rollers can be actuated to move the boat forward or backward along the vertical piling, allowing the boat to adapt to different horizontal positions and boundary requirements while maintaining close proximity between lifts and docks.
3Reliability
If the boat is kept within surveyed boundary lines, then interference with neighboring facilities is prevented, but the boat owner's choice of boat length and real estate properties is greatly limited
Solution Approach 1:
The system adds a horizontal movement dimension to the traditional vertical-only lifting operation. By enabling the boat to move horizontally along the vertical piling after being lifted, the system allows longer boats to remain within the same horizontal boundary lines by positioning the boat's stern or bow at different horizontal locations along the piling, thus maintaining boundary compliance while accommodating various boat lengths.
4Ease of operation
If precise positioning is required for loading, maintenance, and handicapped access, then operational convenience is improved, but additional positioning mechanisms would increase system complexity
Solution Approach 1:
The horizontal positioning function is merged with the existing vertical lifting structure by integrating rollers onto the same piling framework. The support rollers and drive rollers are mounted on the existing lift structure, combining vertical support and horizontal movement capabilities in a single integrated system rather than adding separate positioning equipment.
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
Enables the precise positioning of boats within allowed boundaries, allowing for longer boat ownership and wider real estate options, facilitating loading, maintenance, and reducing interference with neighboring vessels.
Implementation Method 1
Drive rollers are securely mounted to the boat lift and are connected through power transfer mechanisms to a drive motor
Implementation Method 2
The first type of roller is securely mounted to the boat lift and designed to bear the weight of the boat. These rollers, which rotate freely, engage the hull and provide guidance and support
Data Source
AI summary
Modifications to the lifting structure of prior art boat lifts permit the addition of support and drive rollers and associated drive mechanisms that may be used to displace the bow (or stern) of a raised boat over an adjacent barrier such as a sea wall, dock, or bulkhead.