Baler Control Device for Reliable Start-Up and Maintenance
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Solution Overview
Problem
Baling presses often experience difficulties in starting up due to the main compactor coming to a standstill in an unfavorable position, leading to direct contact with material, and lack detailed monitoring capabilities for maintenance assessment.
Innovation Solution
A baling press with a control device that operates in different modes, including a starting mode to pull back the main compactor and move it to a starting position for energy build-up, and a maintenance mode for reduced speed operation, along with an energy storage system to support starting and cushion peak loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the main compressor is continuously operated in oscillating motion, then material compression is achieved, but the compressor may come to rest in an unfavorable position causing start-up failure
Solution Approach 1:
The control device performs preliminary actions by detecting the compressor position before start-up and automatically adjusting it to a favorable starting position. This preliminary positioning ensures that the compressor does not start in an unfavorable position, preventing start-up failure while maintaining continuous oscillating operation for productivity.
2Reliability
If the main compressor is moved to a starting position for energy build-up, then start-up reliability is improved, but the compression cycle time increases
Solution Approach 1:
The control device applies partial action by only adjusting the compressor position when necessary (when an unfavorable position is detected), rather than performing a full repositioning cycle every time. This selective adjustment maintains start-up reliability while minimizing the time added to the compression cycle.
3Productivity
If the baling press operates in normal mode, then material baling is achieved, but detailed monitoring of component conditions is not possible
Solution Approach 1:
The control device serves multiple functions: it manages the compressor positioning for start-up reliability, controls the oscillating motion for material compression, and simultaneously monitors component positions and operating conditions. This multi-functionality enables detailed monitoring of component conditions during normal baling operation without sacrificing productivity.
4Measurement precision
If the main compressor operates at reduced speed for maintenance monitoring, then component inspection is improved, but baling productivity decreases
Solution Approach 1:
The control device enables dynamic speed adjustment, allowing the compressor to operate at reduced speed only when maintenance monitoring is required, and at full speed during normal baling operation. This dynamic adaptability permits detailed component inspection when needed while maintaining high baling productivity during normal operation.
Data Source
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AI summary
The present application relates to an agricultural baler (1) for pressing material (2) into cuboid bales (3), comprising a main channel (4), a main compressor (5), a binding device (6), a drive device (7), and a transmission device (8), wherein the main compressor (5) interacts with the drive device (7) by means of the transmission device (8), such that the main compressor (5) can be moved back and forth within the main channel (4) parallel to a channel axis (9) of the main channel (4) in an oscillating manner, and in this way material (2) located in the main channel (4) can be successively compressed, wherein compressed material (2) located within the main channel (4) can be gathered section by section by means of the binding device (6) in such a way that a respective bale (3) is formed. In order to provide a baler which, in addition to a reliable start orIn order to ensure reliable commissioning and furthermore allow control over the condition of the baler, a control device (10) is proposed according to the invention, by means of which the baler (1) can be operated in addition to an operating mode in which the respective material (2) can be pressed into the bale (3), in addition to a maintenance mode and/or a start mode, wherein when operating the baler (1) in the maintenance mode at least the main compressor (5) can be moved at a maintenance speed which is reduced compared to an operating speed used in the operating mode.