Pivotable Ejection Accelerator Module for Forage Harvester Maintenance
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Solution Overview
Problem
Current self-propelled forage harvesters face difficulties in maintenance and repair due to the limited access and high wear of components related to the ejection accelerator and conveyor shaft, leading to increased costs and safety risks.
Innovation Solution
The ejection accelerator is designed as a self-contained structural unit that can be mounted and dismantled as a whole, featuring a rotatable mounting system allowing it to pivot into an access position within the maintenance room, facilitating easier installation, removal, and replacement, along with a lifting device to manage its weight and ensure safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the ejection accelerator is integrated into the machine structure with limited maintenance space, then the machine structure is compact, but maintenance and repair of components become difficult and time-consuming
Solution Approach 1:
The ejection accelerator is segmented from the main machine structure as a separate, removable module. This allows the maintenance room to remain compact while the ejection accelerator can be easily accessed, removed, and replaced as a complete unit, resolving the contradiction between compact structure and ease of repair.
Solution Approach 2:
The ejection accelerator is designed with dynamic positioning capability, allowing it to be moved between an operating position integrated into the machine and an access position that facilitates maintenance. This dynamic configuration enables both compact operation and easy maintenance.
2Stability of the object's composition
If the ejection accelerator components are fixed in position for structural stability, then the machine structure is stable, but component replacement requires labor-intensive partial dismantling
Solution Approach 1:
The ejection accelerator is divided into a stable base structure and a removable functional module. The base remains fixed to maintain structural stability, while the functional module can be quickly removed and replaced, significantly reducing maintenance time without compromising overall structure.
Solution Approach 2:
The ejection accelerator module is extracted as a separate replaceable unit from the main machine structure. This extraction allows rapid replacement of the entire module or its internal components without dismantling the stable base structure, reducing maintenance time while preserving structural integrity.
3Ease of repair
If the ejection accelerator is accessible from the limited maintenance room, then maintenance can be performed, but the limited space makes service work more difficult and longer
Solution Approach 1:
The ejection accelerator is segmented as a complete, self-contained module that can be removed as a unit. This segmentation allows maintenance personnel to work on the module in a more spacious environment (either outside the machine or in an expanded maintenance area) rather than being constrained by the limited maintenance room space, improving both accessibility and operational efficiency.
Solution Approach 2:
The ejection accelerator module is extracted from the machine and can be removed completely or partially from the limited maintenance room. This extraction eliminates the space constraint problem, allowing maintenance personnel to work on the component with adequate space and tools, significantly improving maintenance efficiency.
Data Source
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AI summary
The agricultural harvesting machine has working assembly that is provided for processing a crop stream. A discharge accelerator (4) is provided for the processed crop configured to be installed in entirety in an operating position downstream of the working assembly in a flow path of the crop stream and, provided to be removed from the operating position. The discharge accelerator is provided with accelerating mechanism and an enclosing housing.