Deflectable Guide Element for Crop Stream Continuity
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Solution Overview
Problem
Existing agricultural harvesting machines often experience interrupted or uneven crop streams when the mass flow of harvested crops varies, leading to inefficiencies in crop transfer from conditioning apparatuses to transverse conveying apparatuses.
Innovation Solution
A harvesting device equipped with a deflectable guide element that adjusts its position based on the harvested crop mass flow, ensuring a consistent and defined transfer of crops from the conditioning apparatus to the transverse conveying apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed guide element is used to transfer harvested crops from the conditioning apparatus to the transverse conveying apparatus, then the structure is simple, but the crop stream becomes interrupted or uneven when the mass flow varies
Solution Approach 1:
The guide element is made deflectable instead of fixed, allowing it to dynamically adjust its position in response to varying crop mass flows. This dynamic adaptation ensures continuous and even crop transfer without interruption, resolving the contradiction between reliability and structural simplicity.
2Adaptability or versatility
If the guide element is made deflectable to adapt to varying crop mass flows, then the crop stream continuity is improved, but the device complexity increases
Solution Approach 1:
The guide element is designed to deflect automatically in response to the crop mass flow without requiring external control systems. The element serves itself by using the physical presence and pressure of the crops to adjust its position, thereby achieving adaptability while minimizing additional device complexity.
3Ease of manufacture
If a rigid guide element is used, then the manufacturing is easier, but the harvested crops may be thrown against the rear wall of the transverse conveyor causing damage
Solution Approach 1:
The guide element transitions from a rigid structure to a deflectable one, allowing it to adapt its position to accommodate varying crop flows. This prevents crops from being forced against the rear wall, reducing damage while maintaining ease of manufacture through simple deflection mechanisms.
Solution Approach 2:
The guide element incorporates flexible materials or thin film structures that can deflect under crop pressure. This flexibility prevents harmful impacts on crops while remaining relatively simple to manufacture compared to complex rigid mechanisms.
Data Source
AI summary
Harvesting device (10) of an agricultural harvesting machine, having a mower (11) for mowing harvested crops, having a conditioning apparatus (14) with conditioning rolls (15, 16) arranged downstream of the mower (11) for conditioning the mown harvested crops, having a transverse conveying apparatus (18) arranged downstream of the conditioning apparatus (14) for conveying the conditioned harvested crops, having a guide element (20) in order to transfer the conditioned harvested crops from the conditioning apparatus (15) onto the transverse conveying apparatus (18), wherein the guide element (20) is configured to be deflectable such that the guide element (20) adopts a position as a function of a harvested crop mass flow to be transferred from the conditioning apparatus (15) onto the transverse conveying apparatus (18).