Joint Assembly for Agricultural Implement Wing Frame
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Solution Overview
Problem
Agricultural implements with ground engaging tools face reduced effectiveness due to uneven soil surfaces causing inconsistent penetration depths of tools attached to main and wing frames, leading to undesirable stress and reduced tillage efficiency.
Innovation Solution
A joint assembly that allows the wing frame to pivot and translate vertically relative to the main frame, enabling independent height adjustment of both frames to maintain consistent tool penetration depth and levelness across varying soil surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the wing frame is rigidly attached to the main frame, then the structural strength is improved, but the penetration depth consistency deteriorates due to uneven soil surfaces
Solution Approach 1:
The joint assembly transforms the rigid static connection between the wing frame and main frame into a dynamic connection that allows vertical translation. The pin moves within the slot to accommodate vertical displacements, enabling the wing frame to adapt to uneven soil surfaces while maintaining structural integrity through the constrained pivoting motion.
Solution Approach 2:
The joint assembly changes the vertical position parameter of the wing frame relative to the main frame by allowing translation along the slot. This parameter change enables independent height adjustment of the wing frame, ensuring consistent penetration depth of ground engaging tools across varying soil conditions.
2Stability of the object's composition
If the wing frame is rigidly attached to the main frame, then the structural stability is improved, but the adaptability to uneven soil surfaces deteriorates
Solution Approach 1:
The joint assembly introduces dynamic adaptability by allowing the pin to translate vertically within the slot while maintaining structural stability through the pinned connection. This enables the wing frame to adapt to uneven soil surfaces by adjusting its vertical position independently of the main frame.
Solution Approach 2:
The joint assembly segments the connection between the wing frame and main frame into two independent degrees of freedom: pivoting motion for folding/transport and vertical translation for height adjustment. This segmentation allows the structure to maintain stability while adapting to varying terrain conditions.
3Device complexity
If the wing frame is rigidly attached to the main frame, then the device complexity is reduced, but the stress distribution deteriorates due to frame levelness variations
Solution Approach 1:
The joint assembly dynamically adjusts the vertical position of the wing frame to maintain frame levelness, thereby distributing stress evenly across the implement structure. The pin's ability to translate within the slot allows the system to accommodate terrain variations without creating stress concentrations.
4Manufacturing precision
If the pin is fixed in position, then the manufacturing precision is improved, but the productivity deteriorates due to reduced tillage efficiency
Solution Approach 1:
The joint assembly enables the pin to translate vertically within the slot, dynamically adjusting the wing frame's height to maintain consistent penetration depth of ground engaging tools. This dynamic adjustment improves tillage efficiency by ensuring uniform soil engagement across the entire implement width.
Data Source
AI summary
A joint assembly for an agricultural implement includes a pin configured to pivotally couple an end of a wing frame to a main frame. The pin enables the wing frame to pivot about a longitudinal axis relative to the main frame. The joint assembly also includes a housing having a slot. The pin is disposed within the slot and configured to translate vertically within the slot to enable the wing frame to move vertically relative to the main frame.