Continuous Round Baler Dual Chamber Bale Transfer
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Solution Overview
Problem
Conventional agricultural balers experience downtime and efficiency issues due to slow bale ejection mechanisms and the likelihood of clogging during continuous baling operations, with existing designs often requiring multiple rollers and actuators that increase the baler's length and weight, leading to manufacturing challenges and potential functional failures.
Innovation Solution
A continuous round baler design featuring a main frame with a pickup assembly, first and second bale chambers, and a conveyor system positioned between them, where the first bale chamber has a variable serpentine system with movable rollers and the second chamber has a fixed serpentine system, allowing for efficient bale transfer and ejection with reduced downtime and component count.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple door or panel mechanism is used for bale ejection, then the structure is simple and easy to manufacture, but the ejection speed is slow causing 10-15 seconds downtime that reduces harvesting efficiency
Solution Approach 1:
The bale ejection system is segmented into multiple functional components: a bale carrier that moves independently, a conveyor system for bale transfer, and a tailored gate for controlled ejection. This segmentation allows each component to perform its specific function efficiently, eliminating the downtime associated with simple door mechanisms while maintaining manufacturing feasibility.
Solution Approach 2:
The bale carrier begins moving the bale toward the ejection position before the gate is fully opened, and the conveyor system is pre-positioned to receive the bale. This preliminary action eliminates waiting time between bale ejection cycles, allowing continuous operation without the 10-15 second downtime of conventional systems.
2Strength
If a heavy door or panel is used for bale ejection, then the structural integrity is maintained, but the center of gravity shifts causing instability and stress on tension points
Solution Approach 1:
The ejection system is divided into separate components: a lightweight bale carrier, a conveyor mechanism, and a tailored gate. This segmentation eliminates the need for a single heavy door/panel structure, distributing the functional requirements across multiple lighter components that do not adversely affect the center of gravity or create instability.
Solution Approach 2:
The bale carrier acts as an intermediary between the bale chamber and the ejection gate. It transfers the bale using a conveyor mechanism rather than relying on a heavy door structure, thereby maintaining structural integrity while avoiding the stability problems caused by heavy moving parts.
3Reliability
If multiple rollers and actuators are used for bale transfer between chambers, then the bale transfer function is achieved, but the device length and weight increase causing manufacturing challenges
Solution Approach 1:
The bale carrier and conveyor system are merged into a single integrated unit that performs both bale transfer and positioning functions. This consolidation eliminates the need for multiple separate rollers and actuators, reducing component count while maintaining reliable bale transfer between chambers.
Solution Approach 2:
The bale carrier serves multiple functions: it receives the bale from the first chamber, transports it through the conveyor system, positions it for ejection, and can also facilitate bale transfer to the second chamber. This multi-functionality eliminates the need for dedicated components for each function, reducing overall device complexity.
4Device complexity
If a conventional single chamber design is used, then the structure is simple, but downtime occurs during bale ejection that interrupts continuous harvesting
Solution Approach 1:
The baling system is segmented into two separate bale chambers that operate independently and simultaneously. While one chamber is ejecting a bale, the other chamber continues forming a new bale. This segmentation eliminates downtime and enables continuous harvesting without requiring complex coordination between chambers.
Solution Approach 2:
The dual chamber system ensures continuous useful action by having one chamber always engaged in bale formation while the other handles ejection. As soon as one chamber completes ejection, the other is ready to transfer its bale, maintaining uninterrupted harvesting operation.
Data Source
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AI summary
A crop harvesting system for continuous round baling is described that comprises a first (214, 322) and second bale chamber (216, 324) and a conveyor system (218, 332) in operable communication with the first and second bale chambers (214, 322; 216, 324). The crop harvesting system can comprise a first bale chamber (214, 322) comprising a variable shape, defined by a first serpentine system (228, 326, 502) comprising one or a plurality of endless belts (230, 388) in operable contact with one or a plurality of movable rollers to facilitate movement of the bale out of the first and into the second bale chamber (216, 324). The second bale chamber (216, 324) comprises a fixed shape defined by a plurality of stationary rolls (270, 384) operably attached to a second set belt or belts. The crop harvesting system can be integrated into an agricultural harvester such as a baler or combine.