Round Baler Pressing Elements Variable Drive Transmission
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing agricultural round balers experience significant productivity losses due to the time-consuming wrapping or binding operation and bale ejection process, which interrupts crop collection and slows down the overall bale production.
Innovation Solution
The round baler is designed to operate the pressing elements at a higher speed during the wrapping or binding phase by changing the drive transmission in the second drive train, allowing for a variable gear arrangement that increases the rotational speed of the bale, thereby shortening the wrapping or binding time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the pressing elements operate at standard speed during pressing operation, then the crops are properly compressed into round bales, but the wrapping or binding operation takes considerable time and reduces productivity
Solution Approach 1:
The patent applies dynamics by making the drive transmission variable rather than fixed. The second drive train for the pressing elements can switch between different transmission ratios depending on the operational phase. During wrapping or binding operations, the transmission ratio is changed to increase the running speed of the pressing elements and thus the rotational speed of the round bale, which directly reduces the wrapping time and increases productivity
Solution Approach 2:
The patent changes the operational parameters of the pressing elements by adjusting the transmission ratio in the second drive train. By varying the transmission ratio, the running speed of the pressing elements is increased during wrapping or binding operations (from standard speed to higher speed), which correspondingly increases the rotational speed of the round bale and shortens the wrapping operation time
2Productivity
If a variable drive transmission with at least two switching stages is implemented in the second drive train, then the pressing elements can operate at higher speed during wrapping operations, but the device complexity increases
Solution Approach 1:
The patent implements dynamics by introducing a variable drive transmission with switching stages in the second drive train. This allows the system to adapt its transmission ratio dynamically based on the operational phase (pressing vs. wrapping/binding), enabling higher speeds during wrapping operations while maintaining the necessary complexity only where needed for the specific function
Solution Approach 2:
The patent segments the drive system into two separate drive trains: a first drive train for the holding and supplying device with a first driven unit, and a second drive train for the pressing elements with a second driven unit. This segmentation allows independent control and variable transmission ratios for each function, enabling the pressing elements to operate at higher speeds during wrapping operations without affecting the holding and supplying device, thus managing complexity through functional separation
Data Source
AI summary
An agricultural round baler is described. The agricultural round baler comprises a holding and supplying device for crops, a pressing chamber with pressing elements for pressing the crops, and a wrapping or binding device for the wrapping or binding of a pressed round bale. In order to design a round bale production which is, as a whole, more productive, the proposal is made that it be possible for at least the pressing elements to be operated, during a wrapping or binding operation following a pressing operation, at a higher running speed than the speed during the pressing operation.