Finger Weeder Height Guidance for Constant Angle of Attack
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Solution Overview
Problem
Existing soil cultivation devices for row crops face challenges in adapting to uneven soil relief, making it difficult to maintain a consistent angle of attack for finger hoe tools, which affects soil removal or addition during mechanical weed control.
Innovation Solution
A soil cultivation device with a frame and carrier system that includes a height guide device, such as a parallelogram link or telescopic suspension, to maintain a constant angle of attack for finger hoe tools, allowing for precise guidance and adjustment to accommodate varying soil heights and conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the finger hoe tool is adapted to follow uneven soil relief, then the tool can maintain contact with the ground, but the angle of attack changes and affects soil removal or addition
Solution Approach 1:
The support is designed to be movable relative to the frame, allowing it to dynamically adjust its position and orientation in response to uneven soil relief. This dynamic adaptation enables the finger hoe tool to maintain consistent angle of attack while following ground contours, resolving the contradiction between adaptability and precision
Solution Approach 2:
The device is divided into separable components: a movable support carrying the finger hoe tool, and a stationary frame. This segmentation allows the support to independently adapt to local soil conditions while the frame provides stable mounting, enabling both adaptability to terrain and consistency in tool orientation
2Manufacturing precision
If the support is made movable to adapt to soil relief, then the angle of attack can be maintained, but the device complexity increases
Solution Approach 1:
Only the support carrying the finger hoe tool is made movable, while the rest of the frame remains stationary. This localized mobility provides the necessary angle control without requiring the entire device to be complex and movable, thus maintaining precision while limiting the increase in overall device complexity
Data Source
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AI summary
The invention relates to a soil-working device (1) for row plantations, which has a frame (2) and at least one beam (3), on which at least one finger-weeder tool (9) is arranged, which in particular can be designed to be passively drivable and which is oriented at a setting angle to the soil in a working position for soil working, and to a method for the height guidance of at least one finger-weeder tool above a row in a row plantation, wherein the soil-working device (1) has at least one height-guiding apparatus, which keeps the setting angle of a finger-weeder tool in the working position constant and which can be designed advantageously in such a way that the height-guiding apparatus enables the height guidance of further soil-working tools which are operated next to the finger weeders and which thus can likewise be guided in height.