Decoupled Post-Acceleration Adjustment in Forage Harvesters
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Solution Overview
Problem
Existing post-acceleration systems in forage harvesters require manual and time-consuming adjustments, leading to inefficiencies and potential crop loss due to blockages and uneven crop flow, especially under varying weather conditions, and are prone to downtime when the displacement mechanism fails.
Innovation Solution
A decoupled displacement mechanism allows for precise and automatic adjustment of the gap width between the post-acceleration element and the machine housing, using a gear system with sliding devices and telescopic actuators to maintain fixation and adjust the post-acceleration element without interrupting the harvesting process, even if the displacement mechanism fails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustment of the post-acceleration element is used, then the structure is simple, but the adjustment time is excessive and harvesting process is interrupted
Solution Approach 1:
The patent replaces the manual mechanical adjustment system with an automated displacement mechanism that uses a drive shaft and gear system to automatically adjust the post-acceleration element's position, eliminating the need for manual intervention and reducing adjustment time while maintaining structural feasibility
Solution Approach 2:
The displacement mechanism enables the post-acceleration element to automatically adjust its own position in response to crop flow conditions without requiring external manual operation, allowing the system to self-regulate during harvesting operations
2Manufacturing precision
If the displacement mechanism is integrated with the post-acceleration element, then the adjustment is precise, but the reliability decreases when the mechanism fails
Solution Approach 1:
The patent separates the fixation function from the displacement mechanism by introducing independent fixation elements that can secure the post-acceleration element independently of the gear system, creating modular functional segments that can operate independently
Solution Approach 2:
The fixation elements are designed to engage and secure the post-acceleration element in advance, providing a backup fixation system that prevents total system failure if the displacement mechanism malfunctions, cushioning against potential reliability issues
3Device complexity
If the gap width is not precisely adjusted, then the structure is simple, but crop blockages occur and flow is impaired
Solution Approach 1:
The patent implements a control system that monitors crop flow conditions and provides feedback to the displacement mechanism, enabling automatic adjustment of the gap width to optimize crop flow and prevent blockages based on real-time harvesting conditions
Solution Approach 2:
The displacement mechanism is designed to dynamically adjust the post-acceleration element's position in response to changing crop flow conditions, allowing the gap width to vary automatically to maintain optimal productivity under different weather and material conditions
Data Source
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AI summary
The device has an accessory device for receiving harvested goods (9). A processing device is attached to the accessory device. A post acceleration organ (16) is movable using a displacement mechanism (23) relative to machine housing (20). The fixing of the post acceleration organ takes place at the machine housing in a decoupled manner from the displacement mechanism. An adjustment of the post acceleration organ takes place using the displacement mechanism, which is designed as a drive system.