Work Vehicle Track with Non-Treaded Zones for Planting Precision
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Solution Overview
Problem
Existing work vehicles cause significant soil disturbance and compaction when traveling across fields, which can disrupt the precise planting operations of row units, leading to inconsistent seed depth and planting quality.
Innovation Solution
A work vehicle equipped with a continuous track ground support unit featuring non-treaded areas aligned with row unit components, minimizing soil compaction and maintaining smooth ground engagement, allowing gauge wheels to maintain consistent implement height and facilitating effective planting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a work vehicle with continuous track ground support unit is used, then soil compaction is reduced and planting precision is improved, but device complexity increases due to the specialized track design with non-treaded areas
Solution Approach 1:
The continuous track ground support unit is segmented into distinct functional zones: non-treaded areas (smooth surfaces) aligned with row unit components and treaded areas (with protrusions) in intermediate spaces. This segmentation allows different portions of the track to perform different functions - the non-treaded areas minimize soil disturbance for precise planting while the treaded areas provide traction and soil cultivation, thereby improving planting precision without requiring complete redesign of the entire track system
Solution Approach 2:
The ground support unit applies local quality by providing different surface characteristics at different locations. The non-treaded areas directly beneath row unit components offer smooth surfaces that minimize soil compaction and disturbance, while the treaded areas in intermediate spaces provide aggressive soil engagement. This localized differentiation of track properties enables the vehicle to simultaneously achieve precise planting in row areas and effective soil cultivation in between rows
2Force
If traditional treaded ground support is used, then traction is improved, but soil disturbance increases causing inconsistent seed depth
Solution Approach 1:
The continuous track is divided into functional segments where non-treaded areas provide smooth surfaces for minimal soil disturbance directly under row units, ensuring consistent seed depth, while separate treaded areas with protrusions provide necessary traction and soil cultivation in intermediate spaces. This spatial segmentation resolves the contradiction between needing traction and maintaining planting precision
Solution Approach 2:
The treaded areas act as intermediaries that perform the soil cultivation and traction functions separately from the non-treaded areas that handle planting operations. By mediating the soil-vehicle interaction in intermediate spaces, the treaded portions allow the non-treaded areas to focus solely on providing stable, non-disturbing support for precise seed placement
3Manufacturing precision
If the ground support unit creates smooth ground engagement, then planting consistency is improved, but soil aeration and cultivation may be insufficient
Solution Approach 1:
The ground support unit is segmented into non-treaded areas for smooth ground engagement and consistent planting, and treaded areas for active soil cultivation and aeration. This segmentation allows the vehicle to simultaneously achieve both planting consistency and effective soil cultivation by assigning different functions to different portions of the track system
Solution Approach 2:
The continuous track ground support unit merges two previously separate functions into a single integrated system: the non-treaded areas provide the smooth ground engagement needed for planting consistency while the treaded areas simultaneously perform soil cultivation and aeration. This merging eliminates the need for separate cultivation equipment while maintaining planting precision
Data Source
AI summary
A work vehicle includes a frame and a row unit that is attached to the frame. The row unit includes a gauge wheel and a ground engaging implement. The gauge wheel is configured to ride on the ground surface and maintain the ground engaging implement at a predetermined vertical position with respect to the ground surface. Furthermore, the work vehicle includes a ground support unit that supports the frame for movement across the ground surface. The ground support unit includes an outer face. The outer face includes a non-treaded side area that defines a lateral side of the outer face. The outer face includes a tread area that is spaced laterally from the lateral edge. The tread area includes a plurality of projections. The non-treaded side area is aligned along the travel direction with respect to the gauge wheel.