Chopper Assembly Beaters Prevent Discharge Conduit Plugging
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Solution Overview
Problem
Chopping assemblies often experience material plugging in discharge conduits during wet conditions, leading to operational interruptions and manual intervention, which slows down harvesting processes.
Innovation Solution
A chopping assembly with rotatably mounted beaters and pivoting doors within the discharge conduit ensures mechanical transport of chopped material to the conveyor, allowing for automatic unblocking and continuous operation by reversing the corn header and controlling door positions with a micro-controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If material is moved through open space between chopper and conveyor using momentum or air, then device complexity is reduced, but material plugging occurs in discharge conduit
Solution Approach 1:
The patent introduces beaters as intermediary mechanical elements that actively engage with and propel the chopped material through the discharge conduit. These beaters serve as a mediator between the chopper and conveyor, ensuring continuous mechanical transport rather than relying solely on material momentum or air flow, thereby preventing plugging while maintaining manageable system complexity
Solution Approach 2:
The patent replaces passive transport mechanisms (momentum-based or air-based) with an active mechanical transport system using rotatable beaters. This substitution ensures reliable material movement through the discharge conduit by providing positive mechanical propulsion, eliminating the plugging issues associated with passive transport methods
2Reliability
If manual plug removal is implemented, then discharge conduit plugging is addressed, but productivity decreases due to operational interruptions
Solution Approach 1:
The patent implements a self-service mechanism where the beaters automatically prevent and clear plugging through their continuous rotational action. The mechanical transport system serves itself by maintaining material flow without requiring external intervention, thereby eliminating operational interruptions and maintaining high productivity during harvesting operations
3Reliability
If mechanical transport is used throughout the entire path, then material plugging is prevented, but device complexity increases
Solution Approach 1:
The patent segments the mechanical transport function into discrete beaters positioned at critical locations within the discharge conduit. Rather than implementing a continuous complex mechanical system throughout the entire path, the transport function is divided into targeted segments where beaters are strategically placed to prevent plugging, thereby achieving reliable plug-free operation with minimized device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution prevents material plugging and ensures uninterrupted harvesting by mechanically transporting chopped material directly to the conveyor, reducing manual intervention and maintaining continuous operation.
Implementation Method 1
a means of transport that has no part of the transport path of the chopped material where it is moved solely by momentum or air and movement is always being controlled by a mechanical means
Implementation Method 2
controlling door positions with a micro-controller
Data Source
Figure 1
Figure 2
AI summary
A chopper assembly having a discharge conduit. A first and a second beater disposed within the discharge conduit and a first door and a second door in the bottom wall of the discharge conduit positioned below the first beater and the second beater respectively.