Segmented Round Baler Belt Joints for Dynamic Load Relief
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Solution Overview
Problem
Round baler belts experience frequent failures due to dynamic load peaks and insufficient elongation compensation, leading to reduced dynamic joint strength and increased wear, particularly with wide belts and high roller counts in round balers.
Innovation Solution
The belt design features segmented ends with offset segments and material interruptions, allowing for independent deflection and elongation compensation, reducing the load on connection points and distributing forces to enhance durability and longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If continuous hook connector solution is used to join wide belts, then belt width can be increased to reduce number of belts, but dynamic load peaks and insufficient elongation compensation lead to connection failure
Solution Approach 1:
The belt ends are divided into multiple segments (first segment and second segment) that are connected by connection elements. This segmentation allows each segment to deflect independently, distributing the dynamic loads and reducing stress concentrations at connection points, thereby preventing connection failure while maintaining wide belt configuration
Solution Approach 2:
The belt design incorporates offset segments with material interruptions that enable dynamic elongation compensation during operation. The segments can move relative to each other to accommodate the high number of deflection points and load changes experienced in round balers, maintaining connection reliability under varying operational conditions
2Productivity
If wide belts are used to reduce number of belts, then productivity is improved, but frequent connection failures occur due to dynamic load peaks
Solution Approach 1:
By segmenting the belt ends into multiple sections connected by connection elements, the design enables wide belts to be used for improved productivity while the segmented structure distributes dynamic loads across multiple connection points, preventing the connection failures that would otherwise limit service life
Solution Approach 2:
The offset arrangement of segments and inclusion of material interruptions change the mechanical parameters of the belt, allowing it to accommodate elongation and deflection dynamically. This maintains connection reliability and extends service life while enabling the use of wide belts for higher productivity
3Ease of operation
If high number of rollers are used for belt guidance, then belt control is improved, but dynamic load peaks increase due to frequent deflection points
Solution Approach 1:
The offset segment design with material interruptions provides dynamic elongation compensation that allows the belt to withstand the frequent deflection points created by multiple rollers. Each segment can deflect independently, distributing the cumulative load from numerous rollers across the belt length rather than concentrating it at connection points
Solution Approach 2:
The segmented belt structure distributes the mechanical stress from multiple roller contact points across various segments, preventing any single connection point from experiencing excessive dynamic loads that would compromise connection strength
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design significantly increases the service life of round baler belts by reducing dynamic load peaks and wear, enabling the use of wider belts with reduced assembly effort and improved manufacturability, applicable to high-stress belt applications.
Implementation Method 1
The first segment of the first belt end and the second segment of the first belt end are separated from one another in a transverse direction by a material interruption and/or the first segment of the second belt end and the second segment of the second belt end are separated from one another in the transverse direction by a material interruption
Data Source
AI summary
A belt (1) with a first belt end (11) and a second belt end (12), both belt ends (11, 12) being connected together. The first belt end (11) has at least one first segment (13) and a second segment (14), and the second belt end (12) has at least one first segment (15) and a second segment (16). The first segment (13) of the first belt end (11) is connected to the first segment (15) of the second belt end (12) at least one connection element (17), and the second segment (14) of the first belt end (11) is connected to the second segment (16) of the second belt end (12) at least one other connection element (17). The first segment (13) of the first belt end (11) is offset in the longitudinal direction (X) in some sections relative to the second segment (14) of the first belt end (11), and the first segment (15) of the second belt end (12) is offset in the longitudinal direction (X) in some sections relative to the second segment (16) of the second belt end (12).