Rotating Screw Cutting Tool for Plant Growth Clearing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing clearing tools for seeding stands require precise alignment and contact with plant growth, making it difficult to cut without damaging timber trees or encountering non-target objects like rocks, and are limited by a wide working width that necessitates contact with the soil.
Innovation Solution
A cutting tool with a power transmission apparatus and elongated part that rotates to transport plant growth toward a blade part, allowing the blade to remain clear of contact, with adjustable guide parts and threads to manage different trunk diameters and facilitate cutting without damaging surrounding objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the blade is brought into contact with plant growth for cutting, then cutting function is achieved, but the risk of damaging timber trees or soil contact increases
Solution Approach 1:
Instead of bringing the blade into contact with plant growth for cutting, the invention inverts the approach by transporting the plant growth to the blade. The rotating elongated part with threads conveys plant growth toward the stationary blade part, allowing cutting to occur without the blade contacting the plant growth during approach, thereby reducing risk of damage to timber trees.
Solution Approach 2:
The elongated part with threads acts as an intermediary mechanism between the plant growth and the blade. It transports the plant growth toward the blade part in a controlled manner, enabling cutting while maintaining separation between the blade and plant growth during the approaching phase, thus preventing accidental damage to surrounding objects.
2Productivity
If the blade width is increased to cover wider working area, then productivity increases, but the difficulty of avoiding contact with non-target objects increases
Solution Approach 1:
The invention inverts the traditional cutting approach by keeping the blade narrow and stationary while transporting plant growth to it. This allows the working width to be determined by the transport mechanism's coverage area rather than blade width, enabling wide working area coverage with a narrow blade that can be precisely positioned to avoid non-target objects.
Solution Approach 2:
The cutting function is segmented into two separate components: the transport function performed by the rotating elongated part with threads, and the cutting function performed by the stationary blade part. This segmentation allows the blade to be narrow and precise while the transport mechanism provides the wide working width, resolving the contradiction between productivity and precision.
3Object-affected harmful factors
If the blade is kept narrow to avoid contact with timber trees, then damage risk decreases, but the working width and productivity are reduced
Solution Approach 1:
The invention inverts the relationship between blade width and working width. Instead of the blade width determining the working width, the working width is determined by the transport mechanism's ability to convey plant growth to the blade. This allows a narrow blade to achieve wide working width coverage, simultaneously reducing damage risk and maintaining productivity.
Solution Approach 2:
The elongated part with threads serves as an intermediary that extends the effective working width without requiring a proportionally wide blade. It conveys plant growth from across the working width to the narrow blade, enabling the blade to remain narrow for precision and safety while the system maintains wide working width for productivity.
4Productivity
If the blade is brought close to the ground for effective clearing, then clearing effectiveness improves, but the risk of encountering rocks and soil material increases
Solution Approach 1:
The invention inverts the cutting approach by keeping the blade elevated and stationary while transporting plant growth upward to the blade. This allows the clearing tool to operate effectively close to the ground without the blade contacting the soil, as the plant growth is conveyed to the blade rather than the blade reaching down to the plant growth.
Solution Approach 2:
The elongated part with threads acts as an intermediary that bridges the gap between the ground-level plant growth and the elevated blade. It transports plant growth from the ground level to the blade part, enabling effective clearing close to the ground while maintaining blade elevation to avoid contact with rocks and soil material.
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 precise cutting of plant growth without damaging timber trees or soil contact, reducing maintenance needs and allowing for a smaller blade width, while also splitting stumps to enhance forestry management by speeding up drying and preventing regrowth.
Implementation Method 1
an elongated part which is coupled thereto to rotate around its own longitudinal axis and has threads rising toward the power transmission apparatus
Data Source
AI summary
A cutting tool for clearing plant growth. The clearing tool includes a power transmission apparatus. An elongated part is coupled to the transmission to rotate around a longitudinal axis of the elongated part and having at least one thread that rises toward the transmission and the diameter of which decreases from an end of the elongated part coupled to the transmission to the end of the elongated part that is at a distance from the transmission. Guide parts are arranged around the elongated part to extend in the direction of the longitudinal axis of the elongated part. A blade part is arranged at the end of the elongated part coupled to the transmission. The elongated part, which, while targeted in a longitudinal direction toward the plant growth, is arranged to cut the plant growth when being rotated, wherein the threads transport the plant growth toward the blade part guided by the guide parts and cut the plant growth with the blade part.