Round Baler Belt Tension Adjustment for Plugging Prevention
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Solution Overview
Problem
Round balers often plug when large amounts of crop material or uneven distribution occur, leading to inefficiencies due to the need for manual unplugging and reduced operating time.
Innovation Solution
A round baler equipped with sensors and a control system that dynamically adjusts the tension of bale forming belts based on sensor data to prevent plugging, using a belt tightener system controlled by a controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the round baler is operated at a slower ground speed to reduce the amount of crop material fed into the bale formation chamber, then the likelihood of plugging is reduced, but the productivity decreases
Solution Approach 1:
The patent applies dynamics by making the belt tension adjustable in real-time during operation. The belt tightener system dynamically modifies belt tension based on operating conditions, allowing the baler to maintain higher ground speeds without plugging by adapting the compression force to match the material flow rate.
Solution Approach 2:
The patent changes the parameter of belt tension from a fixed value to a variable parameter that can be adjusted during operation. By modifying the tension parameter in response to operating conditions (such as ground speed and material volume), the system prevents plugging while maintaining productivity.
2Reliability
If manual unplugging is performed to remove plugging, then the plug is removed, but the baler must be powered down and operational time is lost
Solution Approach 1:
The patent implements self-service by enabling the system to prevent and resolve plugging automatically without operator intervention. The belt tightener system continuously monitors and adjusts belt tension to prevent plugging, and can dynamically adjust to resolve plugging conditions, allowing the baler to remain operational without manual intervention.
Solution Approach 2:
The patent maintains continuity of useful action by preventing operational interruptions. Through dynamic belt tension adjustment, the system continuously manages material flow and compression, eliminating the need to power down the baler for unplugging and thereby maintaining continuous bale formation.
3Reliability
If a belt tightener system is added to dynamically control belt tension, then plugging is prevented, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing the belt tightener system to perform multiple functions: it not only prevents plugging but also optimizes bale density and can adapt to different crop types and operating conditions. This multi-functionality justifies the added complexity by providing comprehensive control benefits beyond simple plugging prevention.
Data Source
AI summary
Systems and methods for reducing plugging of a round baler that is towed or self-propelled are disclosed. The systems and methods comprise using one or more sensors to monitor operation of the round baler, where the one or more sensors are selected from the group consisting of speed sensors, torque sensors and pressure sensors. A control system controls operation of the round baler based on data received from the one or more sensors. The controller is configured to control a belt tightener system to dynamically control the tension in one or more bale forming belts during baler operation in response to data received from the one or more sensors to thereby avoid the baler from being plugged by the crop material.