Aeration Device Guide Roller Segmentation for Grass Strip Blockage
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Solution Overview
Problem
Existing aeration devices for grass strips face issues with uneven filling and blockage of the collecting device due to voluminous materials like moss, leading to inefficiencies and frequent interruptions for emptying.
Innovation Solution
An aeration device with a rotating shaft and guide device featuring lower and upper rotatable roller bodies that compact and sieve loosened material, allowing only voluminous materials to be collected, while non-voluminous materials like soil and sand are filtered out, reducing the risk of blockage and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the collecting device is used to collect loosened material including voluminous materials like moss, then the collecting device can store the aerated material, but the discharge opening quickly becomes blocked by accumulation of material
Solution Approach 1:
The guide device is divided into multiple roller bodies (at least three) that are spaced apart from each other, creating segments through which material can pass. This segmentation allows voluminous materials to be separated and prevents complete blockage of the discharge opening, as the material is distributed across multiple passage points rather than a single bottleneck.
Solution Approach 2:
The roller bodies act as intermediary elements between the loosened material and the collecting device. These rollers guide, compact, and distribute the material flow, preventing direct accumulation at the discharge opening while still allowing efficient collection of aerated material in the container.
2Quantity of substance
If the roller bodies are placed close together to compact material, then the material is compacted effectively, but non-voluminous materials like soil and sand are also removed
Solution Approach 1:
Different regions of the guide device have different roller body spacing configurations. The spacing between roller bodies is optimized locally to allow passage of voluminous materials like moss while providing compaction. This local quality variation ensures that non-voluminous materials are not unnecessarily removed while still achieving effective compaction where needed.
3Productivity
If the collecting device is filled unevenly due to blockage, then the operator has to interrupt work to empty the device, but continuous operation is desired
Solution Approach 1:
The guide device with multiple spaced roller bodies ensures continuous material flow to the collecting device by preventing blockages at the discharge opening. This continuous action allows the operator to work without interruptions for emptying, as the device maintains steady filling capability throughout operation.
4Device complexity
If conventional guide devices are used without roller compaction, then the device is simpler, but the collecting device fills inefficiently and blockages occur
Solution Approach 1:
The roller bodies are designed to rotate, providing dynamic compaction and guidance of material. This rotational movement creates a flexible, adaptive guide mechanism that efficiently fills the collecting device while preventing blockages, achieving high productivity with relatively simple rotating components rather than complex fixed structures.
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 device ensures efficient and continuous operation by preventing blockages and optimizing the filling of the collecting device, minimizing interruptions, and effectively separating voluminous and non-voluminous materials, thus enhancing operational efficiency.
Implementation Method 1
the loosened material is compacted between these conveyor belts while it is being discharged
Implementation Method 2
the lower guide means comprise at least three spaced-apart lower roller bodies as a result of which the loosened material is at least sieved while it is being discharged
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The present invention relates to an aeration device (1) designed to aerate a grass strip, comprising a rotating shaft (2) which is provided along its length with a number of aerating blades (3) which are at right angles to the shaft and designed to loosen and remove parts of the grass strip, a guide device (4) for collecting the material loosened by the aerating blades (3) and discharging it in the direction of a collecting device (5), in which said guide device (4) comprises lower and upper guide means, which can be rotated in opposite directions to one another, and in which the lower guide means comprise at least three spaced-apart lower roller bodies (6a1; 6a2; 6a3; 6a4) as a result of which the loosened material it at least sieved while it is being discharged before it is compacted between a lower roller body (6a4) and a pressure-exerting roller (6b).