Spreader With Protrusions For Even Granular Material Flow
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Solution Overview
Problem
Existing spreaders for granular or micro-granular materials in agriculture are inefficient, prone to damage, and lack versatility, leading to uneven distribution and material loss during application.
Innovation Solution
A spreader with an elongated hollow member having a circular or elliptical cross-section and protrusions to ensure even material flow, combined with an adjustable inclined surface and interchangeable inserts to customize the spreading pattern, allowing precise and homogeneous distribution along a defined strip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If external spreaders are applied to the delivery conduit, then the spreading efficiency is improved, but the device complexity and vulnerability to damage increase
Solution Approach 1:
The spreader is merged with the delivery conduit by forming an integral part of it, eliminating the need for separate external spreader components. This integration reduces device complexity while maintaining spreading efficiency, and the compact integrated design is less vulnerable to damage compared to external attachments.
2Speed
If the delivery conduit has a high incline to prevent obstruction, then the material flow speed is improved, but the manufacturing precision and control of material distribution worsen
Solution Approach 1:
The delivery conduit is segmented into sections with different inclinations. The initial portion has a high incline to ensure rapid material flow and prevent obstruction, while the end portion has a lower incline to provide better control over material distribution precision. This segmentation allows both high flow speed and precise distribution control to be achieved in different zones.
3Device complexity
If fixed spreader design is used, then the device complexity is reduced, but the adaptability to different materials and distribution patterns worsens
Solution Approach 1:
The spreader incorporates adjustable and interchangeable components, including replaceable end portions with different geometries and adjustable deflecting elements. This dynamic design allows the spreader to be adapted to different granular materials and desired distribution patterns without requiring multiple fixed designs, maintaining relatively simple construction while providing high versatility.
4Speed
If the end portion of delivery conduit is basically vertical, then the material flow speed is improved, but the precision of material discharge position worsens
Solution Approach 1:
The vertical delivery conduit is segmented into an upper vertical section for high-speed material flow and a lower inclined section for precise discharge control. This segmentation allows the material to gain sufficient speed in the vertical portion while the inclined portion provides better control over the precise discharge position on the ground.
Solution Approach 2:
An intermediate inclined section is introduced between the vertical conduit and the ground to mediate the transition from high-speed vertical flow to controlled discharge. This intermediary section allows the material to maintain momentum while being directed to the precise discharge location, resolving the conflict between speed and position precision.
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
The spreader achieves efficient, precise, and homogeneous distribution of granular or micro-granular materials, reducing waste and adapting to various operational conditions and material types, while being compact and resistant to damage.
Implementation Method 1
spreader for the controlled spreading on the ground under gravity of granular or micro-granular material
Data Source
Figure 1A~1C
Figure 2A~2D
Figure 3~4
AI summary
The present invention relates to a spreader (1) for spreading granular or micro-granular material on the ground under gravity comprising an elongated hollow member (10) extending along an essentially vertical axis X and defining an inner cavity through which said material to be spread on the ground can flow, said hollow member (10) being adapted to be associated with a delivery conduit (50) of a container for storing said granular or micro-granular material. In particular, at least an end portion (10A) of said hollow member (10) has a substantially circular or elliptical cross section and it is provided with a plurality of protrusions (14) projecting towards the inner cavity and being adapted to even the flow of the material before exiting said inner cavity.