Post Puller With Elastic Release for Damage-Free Extraction
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Solution Overview
Problem
Existing methods for removing fence posts are labor-intensive, prone to damage, and pose safety risks due to the lack of effective connection means between the post and heavy machinery, leading to dangerous situations.
Innovation Solution
A post puller device comprising an equipment coupler, post coupler, and elastic cord, which detachably attaches to lifting equipment and securely grasps the post, allowing for easy removal by pivoting and lifting mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If brute force methods are used to remove fence posts, then removal can be achieved, but it takes a lot of effort and results in damaged posts that must be discarded
Solution Approach 1:
The post puller device serves as an intermediary between the heavy machinery and the fence post. It includes a post coupler that securely grasps the post and an equipment coupler that connects to the machinery, providing a controlled force transmission path that prevents direct damage to the post while maintaining high removal efficiency
Solution Approach 2:
The post puller employs dynamic linkage arms that can pivot and adjust during the pulling operation. The linkage system allows the device to adapt to the resistance encountered during post extraction, applying force progressively and preventing sudden shocks that could damage the post
2Force
If heavy machinery such as skid steer machines or back hoes is used, then powerful pulling capability is achieved, but the means to connect the machine to the post is lacking, creating dangerous situations
Solution Approach 1:
The equipment coupler is designed with multiple interface options including a pallet fork interface and a bucket interface, allowing the same post puller device to be universally connected to different types of heavy machinery. This universal design ensures reliable and safe connections across various equipment platforms
Solution Approach 2:
The equipment coupler acts as a safe intermediary connection between the heavy machinery and the post puller. It provides a dedicated, engineered attachment point that eliminates the need for makeshift apparatuses, ensuring that the connection can safely handle the forces involved in post extraction
3Adaptability or versatility
If makeshift apparatuses are used to connect machinery to the post, then connection is achieved, but they can create dangerous situations if they snap, slip, or give way
Solution Approach 1:
The post puller device introduces a reliable intermediary connection system between the machinery and the post. The equipment coupler and post coupler are engineered components that provide secure attachment points, eliminating the need for improvised connections and ensuring safety under load
Solution Approach 2:
The elastic cord integrated into the post coupler provides beforehand cushioning by retaining the post coupler in a horizontal orientation and providing controlled release during post removal. This pre-engineered safety feature prevents sudden failures and ensures controlled operation throughout the extraction process
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
Facilitates safe and efficient removal of fence posts without damage, reducing manual effort and eliminating the need for heavy machinery, thereby enhancing safety and efficiency in post extraction.
Implementation Method 1
an elastic cord having a top and a bottom, the elastic cord retains the post coupler in a substantially horizontal orientation until the post coupler may be adapted to be tilted during removal of the post
Data Source
AI summary
The post puller may comprise an equipment coupler, a post coupler, a linkage, and an elastic cord. The post puller may be configured to detachably couple to a lifting subsystem of a piece of equipment via the equipment coupler and to a post via the post coupler. The post puller may be operable to pull the post out of the ground as the piece of equipment moves the post puller rearward and upward. The elastic cord may cause the post puller to release the post once the post is out of the ground. As non-limiting examples, the piece of equipment may be a tractor, or a front loader and the lifting subsystem may be a pallet fork or a bucket.