Seeder Assembly with Twin-Bladed Row Cleaning for Smooth Field Finish
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Solution Overview
Problem
Existing row cleaners with single-bladed designs often result in a rough field finish, excessive residue coverage, and windrowing between rows due to uneven residue removal, which affects opener functionality and seed germination.
Innovation Solution
Implementing a twin-bladed row cleaner assembly with an off-axis pivot and actuator mechanism that allows blades to pivot between engaged and retracted positions, minimizing soil throw and optimizing residue removal for even field coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-bladed row cleaner design is used, then the device complexity is reduced, but the field finish becomes rough and residue coverage becomes excessive
Solution Approach 1:
The row cleaner blade is divided into multiple segments (first blade portion and second blade portion) that can independently pivot and adjust. This segmentation allows each portion to work independently to clean residue while maintaining a smooth field finish, resolving the contradiction between simple design and precise field preparation.
Solution Approach 2:
The blade portions are made pivotally movable relative to each other, allowing dynamic adjustment during operation. This enables the blades to adapt to varying residue conditions and maintain optimal cleaning effectiveness, improving field finish smoothness without requiring a complex fixed multi-blade design.
2Device complexity
If a single-bladed row cleaner design is used, then the device complexity is reduced, but windrowing between rows occurs
Solution Approach 1:
The row cleaner is divided into multiple blade portions that can be independently controlled. This segmentation allows each blade to handle residue in a specific zone, preventing accumulation and windrowing between rows while keeping the overall device relatively simple.
Solution Approach 2:
Different blade portions are positioned to address specific local conditions in different zones between rows. Each blade portion can be independently adjusted to optimize residue removal in its specific area, preventing windrowing without requiring a complex uniform design across all zones.
3Productivity
If the cleaner blade is positioned close to the opener assembly, then residue removal effectiveness is improved, but the blade may interfere with opener operation
Solution Approach 1:
The cleaner blade is made pivotally movable, allowing it to dynamically adjust its position relative to the opener assembly. This enables the blade to be positioned close to the opener for effective residue removal when needed, while also allowing it to move away to prevent interference with opener operation during planting.
Solution Approach 2:
The row cleaner blade performs preliminary residue removal before the opener assembly reaches the planting position. This preliminary action clears the path for the opener, ensuring effective residue removal while maintaining sufficient spacing to avoid interference during the actual planting operation.
Data Source
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AI summary
A seeder assembly (100) for placing a commodity in underlying soil is disclosed. The seeder assembly comprising: a frame (104) having at least one ground engaging mechanism (106) configured to contact an underlying surface; at least one opener assembly (114) pivotally coupled to the frame (104), the at least one opener assembly having at least one disk opener (202) configured to cut into the underlying soil to provide an opening for the commodity; at least one row cleaner assembly (210) coupled to the frame, the at least one row cleaner assembly having at least one cleaner blade (216) pivotably movable between at least an engaged position and a lifted position, wherein the at least one cleaner blade (216) is positioned above a plane (600) defined by a bottom portion of the at least one opener assembly (114) when the at least one cleaner blade (216) is in the lifted position.