Trench Closing Assembly With Adjustable Wheel Force Distribution
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Solution Overview
Problem
Existing agricultural planting technologies struggle to ensure consistent seed-to-soil contact, which is crucial for uniform seed emergence and high yields, as they lack effective mechanisms to close the seed trench properly after planting.
Innovation Solution
A trench closing assembly for agricultural planters that includes a frame, actuator, closing wheels, and optionally press wheels, with adjustable force distribution between these components, controlled by sensors and actuators to ensure proper seed trench closure and soil compaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a trench closing assembly is added to ensure proper seed trench closure, then seed-to-soil contact consistency is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple functions into a single integrated trench closing assembly that includes closing wheels for trench closure and press wheels for soil compaction. The actuator system integrates force application and distribution mechanisms within one assembly, reducing the need for separate components while maintaining reliable seed-to-soil contact.
Solution Approach 2:
The trench closing assembly is designed as a multi-functional unit that performs both trench closing and soil compaction operations. The closing wheels and press wheels work together to achieve multiple objectives (closure and compaction) in a single pass, improving reliability without proportionally increasing complexity.
2Manufacturing precision
If dynamic force adjustment is implemented based on soil conditions, then seed trench closure quality is improved, but device complexity increases
Solution Approach 1:
The patent implements dynamic force adjustment capabilities where the actuator can vary the downforce applied to closing wheels and press wheels based on real-time conditions. This dynamic control allows the system to adapt to different soil conditions, achieving high closure quality while the modular design keeps the complexity manageable.
Solution Approach 2:
The system changes operational parameters (downforce magnitude, force distribution ratio between closing and press wheels) based on soil conditions and operator preferences. This parameter adjustment capability enables precise control of trench closure quality without requiring fundamentally complex system architecture.
3Reliability
If force distribution between closing wheels and press wheel is adjustable, then seed-to-soil contact is improved, but device complexity increases
Solution Approach 1:
The patent segments the downforce application into distinct controllable components: closing wheels for trench closure and press wheels for soil compaction. The actuator system can independently adjust the force distribution to each component, allowing optimized seed-to-soil contact while maintaining a relatively simple overall structure through modular force control.
Data Source
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AI summary
A trench closing assembly having an actuator for applying a force to the trench closing assembly in which the force is divided between closing wheels and a press wheel disposed rearward of the closing wheels.