Dynamic Belt Tensioning for Round Baler 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 to modify belt tension in response to speed, torque, and pressure sensors.
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 and operating efficiency deteriorate
Solution Approach 1:
The patent applies dynamics by making the belt tension adjustable in real-time during operation. The belt tightener system allows the tension to be modified dynamically based on operating conditions, enabling the baler to maintain high ground speed while adjusting belt tension to prevent plugging, thus resolving the contradiction between reliability and productivity
Solution Approach 2:
The patent changes the physical parameter of belt tension to prevent plugging. By modifying the tension parameter in the bale formation chamber, the system can handle varying amounts of crop material without plugging, allowing operation at higher ground speeds and maintaining productivity while improving reliability
2Reliability
If manual unplugging is performed to remove plugging, then the plugging is removed, but the baler must be powered down and operation time is lost
Solution Approach 1:
The patent applies preliminary action by proactively adjusting belt tension to prevent plugging before it occurs. The belt tightener system continuously monitors and adjusts tension to maintain optimal conditions, eliminating the need for reactive unplugging operations and associated time losses
Solution Approach 2:
The system performs self-service by automatically adjusting belt tension through the belt tightener system when plugging conditions are detected. This automated response eliminates the need for operator intervention and powered-down periods, maintaining continuous operation and reducing time loss
Data Source
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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.