Work Machine Housing with Charging Port for Plant Material Chopping
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Solution Overview
Problem
Existing lawn mowers struggle to effectively chop long plant materials like mowed lawn and weeds, leading to delayed decomposition and adverse effects on lawn growth due to undecomposed plant bodies.
Innovation Solution
A work machine equipped with a power source, rotation shaft, cutter blade, and housing with a charging port that allows for the chopping of difficult-to-cut plant materials, featuring a height adjustment mechanism and electronic control for optimal cutting performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the cutter blade is used to cut plants on the ground, then the cutting function is achieved, but long plant materials (mowed lawn and weeds) are difficult to chop effectively
Solution Approach 1:
The housing is segmented into multiple functional zones: a charging port for loading plant materials, a chopping chamber with the cutter blade for processing, and a discharge opening for releasing chopped materials. This segmentation allows long plant materials to be progressively reduced in size through multiple cutting passes as they move through the housing, solving the problem of ineffective chopping of long materials while ensuring complete decomposition.
2Ease of operation
If plants with long lengths are scattered on the lawn grass, then the lawn appearance is maintained, but the decomposition by microorganisms is delayed and undecomposed plant bodies are generated
Solution Approach 1:
The system performs preliminary chopping action on long plant materials before they are scattered on the lawn. The charging port accepts long plant materials, the cutter blade chops them into smaller pieces within the housing, and the chopped materials are then discharged onto the lawn. This preliminary processing eliminates the harmful effects of undecomposed plant bodies while maintaining the simplicity of lawn maintenance.
3Device complexity
If the housing structure is simplified, then the device complexity is reduced, but the ability to charge and process difficult-to-cut plant materials is compromised
Solution Approach 1:
The housing is designed as a multi-functional unit that combines the charging port for loading plant materials, the chopping chamber housing the cutter blade, and the discharge opening for releasing processed materials. This universal design allows the same housing structure to effectively process various types of plant materials including long weeds and mowed lawn, while avoiding the need for separate complex loading and processing mechanisms.
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
Enables efficient chopping of challenging plant materials, preventing unnecessary cutting and facilitating the decomposition process, thus promoting healthy lawn growth.
Implementation Method 1
a cutter blade that is rotated by the rotation shaft to cut a plant on the ground
Data Source
AI summary
A work machine includes a power source, a rotation shaft that is rotated by power of the power source, a cutter blade that is rotated by the rotation shaft to cut a plant on the ground, and a housing that houses the cutter blade and has an opening through which the cutter blade is exposed to the ground. The housing has a charging port through which an object to be cut is charged to the cutter blade.