Adjustable Guiding Unit for Harvesters
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Solution Overview
Problem
Prior harvesting devices face issues with irregular outfeed flow and clogging due to accumulated agricultural products, leading to malfunctions and inefficient operation, particularly because existing guiding units are complex, difficult to install, and lack precise modulation and adaptability to varying product densities.
Innovation Solution
A guiding unit with a supporting body and a guiding element that moves in a single sliding plane, allowing vertical and horizontal translation, connected via elbow-style kinematic mechanisms for precise adjustment and adaptability, facilitating smooth product flow and easy installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a guiding unit with adjustable arms and combs is used to compact products, then product flow is improved, but device complexity increases due to complex frame components and joints
Solution Approach 1:
The guiding unit is divided into a fixed part (supporting body with supporting portion) and a movable part (guiding element), allowing independent optimization of each component and simplifying the overall structure while maintaining functionality
Solution Approach 2:
The complex four-bar linkage mechanism and multiple combs are extracted and replaced with a single guiding element that moves in a sliding plane, reducing the number of components and simplifying the structural design
2Productivity
If the guiding unit uses rotational movement about a horizontal axis, then product compaction is achieved, but measurement precision is reduced due to substantial translation of combs
Solution Approach 1:
The guiding element is designed to move dynamically in a sliding plane rather than through fixed rotational movement, allowing precise control of its position and orientation to modulate product flow with high precision
Solution Approach 2:
The movement mechanism changes from rotational movement to sliding movement in an inclined plane, fundamentally altering the kinematic parameters to achieve both compaction and precise modulation capabilities
3Device complexity
If the guiding unit position is constrained to the zone with greatest density, then structural simplicity is maintained, but adaptability is reduced unable to handle varying product densities in different zones
Solution Approach 1:
The guiding element's position and orientation are made dynamically adjustable through the sliding plane mechanism, enabling the device to adapt to varying product densities across different zones while maintaining structural simplicity
Solution Approach 2:
The guiding element automatically adjusts its position in response to product flow conditions, with the sliding plane mechanism allowing it to self-regulate its orientation and position based on the density and flow of agricultural products
Data Source
Figure 1
Figure 2~2a
Figure 3a~3b
AI summary
Guiding unit for agricultural products for a pick-up device (100) comprising downstream transversal unloading means, the guiding unit comprising a supporting body (2) connectable to a pick-up frame (101) and equipped with a supporting portion (2a) which, during use, is located above the unloading means, a transversal guiding element (5) is delimited by an upper longitudinal edge (5a), proximal to the supporting body (2), and by a lower longitudinal edge (5b), distal from the supporting body (2) and, in use, opposite and in front of the pick-up means (102) in such a way as to delimit a pass-through section for the products to be harvested. The guiding unit also comprises connecting means (8) operatively interposed between the upper longitudinal edge (5a) and the supporting portion (2a), designed to allow a translation of the guiding element (5) towards and away from the supporting body (2).