Universal Rake Reversible Belt for Swath Versatility
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Solution Overview
Problem
Existing universal rakes are cumbersome, costly, and lack versatility in forming different swaths and working widths, with limitations in maneuverability and conveying capacity, especially when dealing with large amounts of harvested material.
Innovation Solution
A universal rake design featuring a reversible belt rake with adjustable and foldable support arm construction, allowing for easy conversion between central, side, and individual swaths, along with a conveyor-belt-like belt with vertical tines that prevents crop penetration and enhances conveying capacity, enabling efficient operation and space-saving transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple rake elements are arranged symmetrically to achieve maximum working width, then the working width is improved, but the device complexity and weight increase
Solution Approach 1:
The belt rake is designed to perform multiple functions: it can work in a central swath position, in side swath positions, and can be completely separated to form individual swaths. This multi-functionality eliminates the need for multiple dedicated rake elements, reducing device complexity while maintaining maximum working width capability
Solution Approach 2:
The belt rake is made adjustable and movable between different working positions (central, side, and separated positions) rather than being fixed in a symmetric arrangement. This dynamic positioning allows the same element to serve multiple purposes, reducing the number of permanent structural components needed
2Adaptability or versatility
If the belt rake is made adjustable to different positions, then the versatility is improved, but the device complexity increases
Solution Approach 1:
The support arm construction is divided into foldable and telescopic segments that can be independently adjusted. This segmentation allows the belt rake to be repositioned to different working positions without requiring a completely complex reconfiguration mechanism, as each segment can be adjusted separately
Solution Approach 2:
The support arm construction incorporates foldable and telescopic elements that enable dynamic repositioning of the belt rake. This dynamic design allows the same structural components to serve multiple positioning functions, achieving versatility without proportionally increasing complexity
3Adaptability or versatility
If the belt rake is positioned to form individual swaths, then the adaptability is improved, but the working width is reduced
Solution Approach 1:
The belt rake can be dynamically repositioned between central and side positions, and can be completely separated to form individual swaths. This dynamic adjustability allows the operator to select between maximum working width (central position) and maximum adaptability (side or separated positions) as needed
4Ease of operation
If the tines are spaced apart to allow crop entry, then the ease of operation is improved, but the conveying capacity decreases
Solution Approach 1:
The belt itself acts as a flexible shell that prevents crop penetration while the tines spaced on the belt allow crop entry. The belt's continuous surface provides conveying capacity, while the spaced tines maintain ease of operation for crop pickup
5Ease of manufacture
If the support arm construction is made foldable and telescopic to save space, then the ease of manufacture is improved, but the device complexity increases
Solution Approach 1:
The support arm construction is segmented into foldable and telescopic sections that can be manufactured as separate components and assembled. This segmentation makes manufacturing easier while the modular nature helps manage the overall complexity through standardized connection interfaces
Data Source
AI summary
In a universal swather (U) with a support beam (3) on which a swath element (H) is supported at the rear and at least one belt rake (B) offset laterally to the swath element is supported in front of it, the direction of travel of the belt rake (B) is reversible and it is adjustable from at least one center swath working position offset laterally to the rear swath element (H) to at least one overlapping side swath working position (II) assigned to the other side of the swath element (H) or a separate single swath working position (III) transverse to the direction of travel (R).