Adjustable Seed Drill Coulter Tip for Optimal Depth Placement
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Solution Overview
Problem
Conventional sowing coulters fail to place seeds at the optimal depth due to varying conditions such as seed type and slope, resulting in suboptimal sowing results as seeds often lie sideways in the furrow.
Innovation Solution
A sowing coulter with an adjustable coulter tip that can be optimized in position relative to the grain delivery area, allowing for precise placement of seeds at the lowest point of the furrow, utilizing a sowing disc and adjustable mechanism such as a threaded rod with nuts for efficient adjustment, and potentially incorporating an inclination sensor for automatic adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional fixed-position coulter is used, then the structure is simple, but the seed cannot be placed at the optimal depth due to varying conditions such as seed type and slope
Solution Approach 1:
The coulter tip is made adjustable relative to the grain delivery area through a rod with nut mechanism, allowing the position to be dynamically changed according to different seed types and slope conditions. This transforms a static structure into a dynamic one that can adapt to varying operational requirements.
Solution Approach 2:
The position parameter of the coulter tip is made variable through the adjustable mechanism. By changing the vertical position of the coulter tip relative to the grain delivery area, the system can optimize seed placement depth for different seed types and terrain conditions.
2Manufacturing precision
If the coulter tip position is fixed, then the adjustment mechanism is simple, but the sowing result is suboptimal as seeds often lie sideways in the furrow
Solution Approach 1:
The adjustable coulter tip mechanism allows the system to dynamically adapt its configuration to achieve precise seed placement. The rod and nut assembly enables fine-tuning of the coulter tip position to ensure seeds are placed at the lowest point of the furrow for optimal germination.
Solution Approach 2:
The coulter system is designed to automatically guide the grain trajectory to pass through the lowest point of the furrow when properly adjusted. The geometry of the coulter tip and grain delivery area work together to naturally direct seeds to the optimal placement position.
Data Source
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AI summary
The present invention relates to a seed coulter with an adjustable coulter tip and to a single-seed seed drill with such a seed coulter.