Rolling Lawn Aerator Pipe Assembly for Low-Resistance Soil Penetration
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Solution Overview
Problem
Lawn turf becomes solid and hard due to watering and treading, reducing aeration and water permeability, which affects normal growth.
Innovation Solution
A rolling lawn aerator with perforating devices that include perforating pipes and limiting members, allowing the pipes to penetrate the soil at approximately vertical angles, reducing resistance and damage during insertion and extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If perforating pipes are inserted into soil at arbitrary angles, then the device structure is simple, but the resistance and damage to the lawn increase
Solution Approach 1:
The perforating pipe is designed to be rotatable relative to the body assembly, allowing dynamic adjustment of the pipe's orientation. The limiting member with elastic member provides controlled rotation capability, enabling the pipe to adapt its angle during insertion to reduce resistance while maintaining structural integrity.
Solution Approach 2:
The included angle between the perforating pipe extension direction and the radial direction of the body assembly is specifically controlled to be within 20°-30°. This parameter optimization allows the pipe to enter the soil at an approximately vertical angle, reducing insertion resistance and minimizing lawn damage while maintaining a relatively simple overall structure.
2Object-affected harmful factors
If perforating pipes are pulled out at arbitrary angles, then the extraction process is simple, but the damage to the lawn increases
Solution Approach 1:
The rotatable connection between the perforating pipe and body assembly allows the pipe to dynamically adjust its extraction angle. The limiting member ensures the pipe rotates to an approximately vertical orientation during extraction, minimizing damage to the lawn while keeping the extraction process straightforward.
3Productivity
If multiple perforating assemblies are arranged in circumferential direction, then the aeration coverage is improved, but the device complexity increases
Solution Approach 1:
The perforating device is divided into multiple independent perforating assemblies arranged in the circumferential direction of the body assembly. Each assembly contains its own perforating pipe and limiting member, allowing simultaneous operation at multiple locations around the circumference, thereby increasing aeration coverage without requiring a complex centralized control system.
Solution Approach 2:
Multiple identical or similar perforating assemblies are arranged circumferentially, with each assembly performing the same function of perforating and aerating the soil. This multi-functional arrangement increases overall productivity and coverage while maintaining relatively simple, standardized components that are easy to manufacture and assemble.
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
Enhances soil aeration, improves water and nutrient penetration, and reduces manual effort and lawn damage during the perforating process.
Implementation Method 1
Each limiting member comprises an elastic member, and the elastic member is connected to the body assembly and the respective perforating pipe. When the perforating device rolls in a first direction to perform a perforating operation, each elastic member is configured to be connected to the respective perforating pipe in contact with the ground of the lawn and is capable of limiting rotation of the perforating pipe with the body assembly
Data Source
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AI summary
The present application discloses a rolling lawn aerator, including a perforating device, where the perforating device is capable of rolling on a lawn so as to perforate and aerate the lawn. The perforating device includes a body assembly and a plurality of perforating assemblies, and the plurality of perforating assemblies are arranged in a circumferential direction of the body assembly; and each of the perforating assemblies includes a perforating pipe, and at least a part of a structure of the perforating pipe exceeds the body assembly in a radial direction of the body assembly.