Planter Closing Wheel Angle Adjustment Mechanism
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Solution Overview
Problem
Existing agricultural planters lack an effective mechanism to adjust the angle of closing wheels for varying soil types and field conditions, which affects the aggressiveness of furrow closure.
Innovation Solution
A mechanism comprising a handle connected to a link that translates rotational motion between two shafts, allowing the angle of closing wheels to be adjusted, enabling alignment changes and real-time control of toe and camber angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If closing wheels are mounted on a fixed shaft without adjustment mechanism, then the structure is simple and reliable, but the angle of closing wheels cannot be changed to adapt to different soil types and field conditions
Solution Approach 1:
The patent applies the Dynamics principle by making the closing wheel shaft adjustable rather than fixed. The shaft can be repositioned along the closing wheel arm to change the angle at which closing wheels contact the furrow. This allows the system to adapt dynamically to different soil conditions and field requirements, transforming a static structure into a dynamic one that can modify its operational parameters.
Solution Approach 2:
The patent implements Parameter changes by allowing modification of the shaft position parameter along the closing wheel arm. By changing the location where the shaft attaches to the arm, the angle of the closing wheels relative to the ground changes, enabling adaptation to various soil types and furrow conditions without redesigning the entire closing mechanism.
2Productivity
If closing wheel angle is fixed, then the device complexity is low, but the productivity decreases due to inability to optimize for different conditions
Solution Approach 1:
The adjustable shaft mechanism enables dynamic optimization of closing wheel angles during field operations. Operators can adjust the shaft position to match optimal angles for different soil conditions, maintaining high productivity across varying field scenarios rather than being constrained by a fixed angle designed for单一 condition.
Solution Approach 2:
By enabling changes in the shaft position parameter, the system can optimize closing wheel performance for different productivity requirements. The ability to modify the angle parameter allows the equipment to maintain peak efficiency across diverse operational conditions, from soft to hard soils, without requiring multiple specialized devices.
3Adaptability or versatility
If closing wheels are adjusted for different soil conditions, then the adaptability improves, but the device complexity increases due to additional adjustment components
Solution Approach 1:
The closing wheel assembly is segmented into adjustable components: the closing wheel arm, the shaft, and the connection points. This segmentation allows independent adjustment of the shaft position along the arm while keeping other components stable. The modular design makes adjustment straightforward and manageable without requiring complex mechanisms.
Solution Approach 2:
The adjustment mechanism focuses on changing a single critical parameter - the position of the shaft along the closing wheel arm. This simple parameter change produces the desired effect of modifying closing wheel angles for different soil conditions, avoiding the need for complex multi-parameter adjustment systems.
Data Source
AI summary
A planter may be disclosed, the planter may comprise a handle, a first shaft, a second shaft, and a link. The first shaft may be operatively connected to the handle, link, or second shaft. The link may be arranged to translate rotational motion of the first shaft to the second shaft.