Conditioning Roll Gap Eccentric Linkage for In-Field Adjustment
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Solution Overview
Problem
Manual adjustment of the roll gap between conditioning rolls in agricultural equipment requires operators to stop their operations, making high-frequency adjustments inefficient.
Innovation Solution
A mechanism featuring eccentric assemblies and linkages that allow for remote adjustment of the roll gap using an actuator, enabling the roll gap to be increased or decreased without stopping the operation, and a relief mechanism to protect against impacts from foreign materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of the roll gap is used, then the roll gap can be adjusted, but the operator must stop cutting or harvesting operations
Solution Approach 1:
The system uses an actuator that can be controlled by the operator through the existing control system to automatically adjust the roll gap without requiring manual intervention or stopping operations. The eccentric assembly automatically converts the actuator's linear motion into the necessary roll gap adjustment.
Solution Approach 2:
The patent replaces manual mechanical adjustment with an automated actuator system that uses electrical or hydraulic control to adjust the roll gap. This substitution eliminates the need for the operator to physically stop and manually adjust the rolls.
2Adaptability or versatility
If manual adjustment of the roll gap is used, then the roll gap can be changed for different conditioning levels, but high frequency adjustments are inefficient
Solution Approach 1:
The automated actuator system allows the operator to make frequent roll gap adjustments simply by controlling the actuator, enabling rapid adaptation to different conditioning requirements without the inefficiencies of manual adjustment.
Solution Approach 2:
The system transforms the static manual adjustment process into a dynamic automated control process, allowing the roll gap to be quickly and easily changed in response to varying operational requirements.
3Stress or pressure
If the roll gap is reduced to increase pressure on crops, then conditioning effectiveness improves, but the risk of impact damage from foreign materials increases
Solution Approach 1:
The patent incorporates a relief mechanism that acts as a cushion or safety device, allowing the rolls to move apart when foreign materials are detected, thereby preventing impact damage while maintaining normal crushing pressure on crops during regular operation.
Solution Approach 2:
The relief mechanism serves as an intermediary between the rolls and foreign materials, absorbing or redirecting impact forces before they can cause damage to the rolls or other components.
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
Enables continuous operation during roll gap adjustments, improving efficiency and preventing damage from sudden impacts.
Implementation Method 1
at least one eccentric assembly... The movement of the at least one eccentric assembly causes the first conditioning roll to move via the linkage
Data Source
AI summary
In accordance with an example embodiment, a mower-conditioner may include first and second conditioning rolls, at least one eccentric, and a linkage having a lever. The first and second conditioning rolls are spaced apart a distance. The at least one eccentric is coupled to the mower-conditioner. The lever is coupled between the eccentric assembly and the first conditioning roll. The rotation of the at least one eccentric about a pivot axis causes the first conditioning roll to move via the lever, which adjusts the distance between the first and second conditioning rolls.