Pivotal Soil Finishing Assembly Height Adjustment
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Solution Overview
Problem
Agricultural tillage implements lack a simple and flexible mechanism for adjusting the height of soil finishing assemblies, which limits operator control over soil firming and surface finish, particularly in varying soil conditions.
Innovation Solution
A novel height adjustment assembly that is pivotally coupled to the row unit frame, allowing quick adjustment of the finishing wheels or discs relative to the ground opening assembly using a biasing member and pin system, enabling tool-free height adjustments and optimal soil firming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the finishing assembly is fixed to the row unit frame, then the structure is simple and stable, but the operator cannot adjust the height to accommodate different soil conditions
Solution Approach 1:
The finishing assembly is transformed from a fixed structure to a dynamically adjustable one through the pivotal coupling mechanism. The assembly can pivot between multiple discrete height positions, allowing adaptation to different soil conditions while maintaining structural simplicity through the use of a straightforward pin-and-hole adjustment system.
2Ease of operation
If the finishing assembly is made adjustable in height, then flexibility for different soil conditions is improved, but the adjustment mechanism becomes more complex
Solution Approach 1:
The height adjustment mechanism is segmented into discrete positions through multiple holes positioned at different heights in the row unit frame. The pin can be inserted into any of these discrete holes to select a specific height, providing easy adjustment without requiring complex continuous adjustment mechanisms. This segmentation approach simplifies the operation while maintaining adjustability.
3Adaptability or versatility
If the finishing wheels are positioned close to the ground opening assembly, then soil firming is effective, but the operator cannot accommodate varying soil depths and conditions
Solution Approach 1:
The height adjustment holes are pre-positioned at different heights during manufacturing, allowing the operator to quickly select the appropriate height for different soil conditions without requiring complex measurement or calculation. The pin can be directly inserted into the pre-configured holes to achieve immediate adjustment, reducing the time needed to adapt to varying soil depths and conditions.
Data Source
AI summary
The agricultural row units feature soil finishing assemblies. This configuration of the finishing assembly provides a simple adjustment of the height of the finishing assembly to enhance usability and flexibility of the row unit. The improved adjustment mechanism enhances user control over the vertical distance between the finishing wheels/discs and the ground opening assembly. In an exemplary embodiment, soil finishing assembly is pivotally coupled to the row unit frame via a height adjustment assembly. The height adjustment assembly may feature a biasing member and other components to allow adjustment of one end of the pivotal coupling of the adjustment assembly within the row unit assembly.