Self-Centering Pivot Assembly for Agricultural Toolbar
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Solution Overview
Problem
Agricultural implements with multiple rows face challenges in steering and maintaining proper row tracking, especially on uneven terrain or in contour farming, as the number of rows increases, leading to instability and difficulty in following ground irregularities.
Innovation Solution
A self-centering pivot assembly for agricultural toolbars, comprising a bar segment connected to working tools, a mounting assembly with springs that compress to return the segment to a neutral position, ensuring stable operation and row tracking across varying terrain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the number of rows on farm equipment increases, then productivity increases, but the ability to properly steer and track rows deteriorates
Solution Approach 1:
The toolbar is divided into multiple independently pivotable bar segments, each capable of self-steering. This segmentation allows each section to independently adjust to ground irregularities while maintaining overall row alignment, resolving the steering difficulty that arises when increasing the number of rows for improved productivity
2Productivity
If the number of rows increases, then productivity increases, but row tracking stability deteriorates
Solution Approach 1:
The bar segments are designed with dynamic self-centering capability through spring mechanisms that automatically adjust each segment's position. This dynamic adjustment maintains row tracking stability even as the number of rows increases, preventing the instability that would otherwise occur with wider toolbars
3Productivity
If the toolbar width increases to accommodate more rows, then productivity increases, but the ability to follow ground irregularities deteriorates
Solution Approach 1:
The wide toolbar is segmented into multiple independent sections that can individually respond to ground contours. This allows the implement to maintain adaptability to uneven terrain and contour farming conditions while accommodating a larger number of rows for increased productivity
Solution Approach 2:
Each bar segment possesses dynamic self-steering capability through spring-loaded self-centering mechanisms, enabling the wide toolbar to actively track and follow ground irregularities rather than remaining rigid, thus maintaining contour-following ability across the full width
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The self-centering pivot assembly enables stable row tracking and self-steering capabilities, even with multiple rows, by using springs to maintain alignment and adjust to ground irregularities, enhancing the implement's ability to follow contours effectively.
Implementation Method 1
at least one spring, a bar segment operatively connected to one or more working tools of the agricultural implement
Implementation Method 2
the at least one spring temporarily compresses and urges the bar segment back towards the neutral position
Data Source
AI summary
A self-centering pivot assembly for an agricultural implement having a tool bar is provided. The self-centering pivot assembly includes at least one spring, a bar segment operatively connected to one or more working tools of the agricultural implement, and a mounting assembly operatively connected between the tool bar and the bar segment. The self-centering pivot assembly further includes a pivot operatively connected to the bar segment and the at least one spring such that as the agricultural implements travels over the ground and the bar segment deviates laterally from a neutral position, the at least one spring temporarily compresses and urges the bar segment back towards the neutral position.