Land Anchor Device With Deployable Plates
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Solution Overview
Problem
Existing boat anchoring devices lack a mechanism for securing a boat to the shore using extendable plates, which enhances stability and prevents movement.
Innovation Solution
A boat anchoring device comprising a tube with a spear end, a crank mechanism, lead screws, and scissor mechanisms that deploy a pair of plates to secure into the ground, allowing for stable anchoring and easy retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a traditional spear-end anchoring device is used, then the device is simple in structure, but it lacks stability and allows boat movement
Solution Approach 1:
The anchoring device employs dynamic plates that can extend and retract from the tube body. These plates are initially stored within the tube and can be deployed outward to engage with the ground, providing enhanced stability. The dynamic nature of the plates allows the device to adapt its configuration based on operational requirements, transforming from a simple spear-end design to a stable anchoring system with extended plates.
Solution Approach 2:
The anchoring device is divided into distinct functional segments: a tube body containing the mechanism, extendable plates for ground engagement, and a crank mechanism for deployment. This segmentation allows each component to perform its specific function independently, with the plates providing stability while the crank mechanism handles deployment and retrieval operations.
2Reliability
If extendable plates are added to the anchoring device, then anchoring stability is improved, but the device complexity increases
Solution Approach 1:
The crank mechanism serves dual purposes: it deploys the plates when rotated in one direction and retrieves them when rotated in the opposite direction. This self-service mechanism eliminates the need for separate deployment and retrieval systems, reducing overall complexity while maintaining reliable plate extension and retraction functions for consistent anchoring performance.
Solution Approach 2:
The lead screw mechanism combines rotational motion from the crank with linear motion of the plates in a single integrated system. The threading of the lead screw automatically converts the rotational input into the linear extension and retraction of the plates, merging multiple functions into one compact mechanism that enhances reliability without proportionally increasing complexity.
3Ease of operation
If a crank mechanism with lead screw is used, then plate deployment is controlled, but the operation time increases
Solution Approach 1:
The crank mechanism operates through periodic rotational motions to deploy and retract the plates. Each complete rotation cycle of the crank corresponds to a specific stage of plate deployment or retraction, providing controlled periodic action that allows the user to manage the timing and extent of plate extension while maintaining ease of operation through simple rotational input.
4Stability of the object's composition
If multiple lead nuts are positioned concentric to the lead screw, then plate extension is synchronized, but manufacturing precision requirements increase
Solution Approach 1:
The concentric positioning of multiple lead nuts on the lead screw creates equipotential conditions for plate extension. All lead nuts are positioned at the same radial distance from the lead screw axis, ensuring that plates extend and retract in a synchronized manner. This equipotential arrangement simplifies the mechanical relationships while achieving precise plate alignment through the inherent geometry of concentric circles.
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 device provides stable anchoring by extending plates into the ground, preventing movement of the boat and allowing for secure rope attachment, while being easily removable with a reverse operation of the crank mechanism.
Implementation Method 1
The lead screw is configured for rotation relative to the rotation of the driver. The lead screw has an exterior surface. Each lead nut of a plurality of lead nuts is positioned concentric to the lead screw. Each of the lead nuts has an internal surface and the internal surface is complementary to the exterior surface of the lead screw.
Implementation Method 2
Each plate of a pair of plates is coupled to a scissor mechanism. The scissor mechanism is coupled to a pair of lead nuts of the plurality of lead nuts. The scissor mechanism is configured for extending each of the plates outward from the tube when each of the lead nuts is moved along the lead screw during rotation.
Implementation Method 3
The tube has an end being configured for impaling into the ground.
Data Source
AI summary
A land anchor device for securing a boat to the shore using a pair of deployable plates includes a tube having a top surface. The tube has an interior that defines a space where a variety of elements can be positioned within. The end of a tube is a spear that impales into the ground. A drive is positioned on the top surface of the tube. A lead screw is connected to the driver where the driver rotates the lead screw when in use. A plurality of lead nuts is enwrapped on the lead screw and move along an axis of the lead screw. A pair of arms is coupled to a lead screw and move into a perpendicular position for securing a rope around. A pair of plates is positioned near the spear and helps stabilize the tube within the ground.