Rectangular Baler Wall Positioning System
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Solution Overview
Problem
Existing rectangular balers face challenges in controlling the inclination angle of movable wall sections, leading to irregular bale shapes due to uneven pressure application, resulting in either deformed bales or unintended expansion.
Innovation Solution
A wall positioning system that applies pressure to two spaced-apart pressure points along the longitudinal direction of the bale chamber, using actuator means and coupling mechanisms to maintain a constant angle of the movable wall section, ensuring accurate and controlled movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If pressure is applied to a single pressure point on the movable wall section, then the device complexity is reduced, but the positioning precision of the movable wall section deteriorates
Solution Approach 1:
The positioning system is segmented into multiple independent pressure application points (first pressure point and second pressure point) spaced apart along the longitudinal direction. This segmentation allows each pressure point to be controlled independently, improving positioning precision without requiring a single complex actuator system
Solution Approach 2:
A coupling means is introduced as an intermediary element between the two pressure points. This coupling means coordinates the pressure application at both points, ensuring that the movable wall section moves precisely while maintaining parallelism between its initial and final positions, thereby resolving the contradiction between system complexity and positioning precision
2Stress or pressure
If pressure is applied to move the movable wall section, then the bale chamber pressure is increased, but the bale shape deteriorates due to wall section deformation
Solution Approach 1:
Pressure is applied locally at two specific pressure points rather than uniformly across the entire movable wall section. This localized pressure application allows for controlled compression of the bale while maintaining the overall shape integrity of the bale chamber cross-section
Solution Approach 2:
The positioning system dynamically adjusts the pressure application at the two pressure points to maintain parallelism between the initial and final positions of the movable wall section. This dynamic control ensures that the wall section moves without deforming, preventing bale shape deterioration even under increased pressure
Data Source
AI summary
A rectangular baler having a wall positioning system. The baler having a bale chamber which includes a plurality of walls including a movable wall section. The wall positioning system includes a positioner for moving the movable wall section from a first position to a second position. The positioner is configured for applying pressure to a first pressure point and to a second pressure point on the movable wall section such that the second position of the movable wall section is substantially parallel to the first position of the movable wall section. The first pressure point and the second pressure point are spaced apart along a longitudinal direction of the bale chamber.