Agricultural Harvester Elevator Discharge Adjustment for Continuous Operation
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Solution Overview
Problem
Agricultural harvesters face productivity losses when external receivers are not properly positioned, leading to the harvester having to pause operations, as the elevator assembly is stopped to prevent billets from being discharged onto the ground.
Innovation Solution
An elevator assembly with a movable discharge housing and a deflector, controlled by actuators, allows for the redirection of harvested material to an external storage device, enabling continuous operation even when the receiver is not immediately available.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the elevator assembly is stopped to prevent billets from being discharged onto the ground when the receiver is not properly positioned, then the harvested material is protected from loss or damage, but the productivity of the harvester decreases due to operational pauses
Solution Approach 1:
The discharge housing is made movable relative to the elevator housing through a discharge actuator, allowing the system to dynamically adjust the discharge position and direction. This enables continuous operation by redirecting material to alternative locations when the primary receiver is unavailable, resolving the contradiction between preventing material loss and maintaining productivity
Solution Approach 2:
The system changes the discharge parameters (position and direction) by moving the discharge housing to different locations. This allows the harvester to adapt to varying receiver positions and continue operating without pausing, thereby maintaining productivity while ensuring material is properly discharged
2Reliability
If the harvester pauses operation to wait for the receiver to be properly positioned, then the discharged material can be properly received and stored, but time is lost and productivity decreases
Solution Approach 1:
The discharge housing is positioned and oriented in advance to match the receiver's location before material discharge begins. This preliminary alignment ensures that material is properly received from the start of operation, eliminating the need for pausing to adjust positioning and thus preventing time loss
Solution Approach 2:
The movable discharge housing can be quickly repositioned and reoriented as the receiver moves or changes position, allowing the system to adapt in real-time without operational pauses. This dynamic adjustment capability ensures continuous proper material reception while maintaining productivity
Data Source
AI summary
An elevator assembly for a harvester may include an elevator housing and an elevator extending within the elevator housing between a proximal end portion and a distal end portion. The elevator may be configured to carry harvested crops between the proximal end portion and the distal end portion. A discharge assembly may be operably coupled with the elevator housing. The discharge assembly may include a discharge housing defining a discharge outlet, a deflector operably coupled with the discharge housing, and a discharge actuator operably coupled with the elevator housing and the discharge housing.