Micro-tiller Module Hand Drill Attachment Gearbox
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Solution Overview
Problem
Existing earth-working tools lack a versatile and efficient mechanism for attachment to hand drills, limiting their portability and ease of use in tilling operations.
Innovation Solution
A micro-tiller module with a gearbox assembly, tilling wheel assemblies, and a stabilizer fork that can be releasibly engaged with a hand drill, allowing for efficient earth working and easy detachment without damage, featuring a gear box with integral shafts and gears for rotating the tilling wheels and a stabilizer fork for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing earth-working tools are designed for fixed installation, then they provide stable operation, but they lack portability and ease of attachment to hand drills
Solution Approach 1:
The earth-working tool is divided into modular components including a hand drill attachment interface, a gear box assembly, and a stabilizer fork, allowing the tool to be segmented for easy attachment and detachment while maintaining operational stability when assembled
Solution Approach 2:
The tool is designed with a universal attachment mechanism that can be releasably engaged with a hand drill, enabling the same tool to function both as a handheld portable device and as a stable ground-mounted earth-working tool
2Adaptability or versatility
If the micro-tiller module uses a releasable engagement mechanism with hand drill, then portability and ease of use are improved, but attachment stability and force transmission may be compromised
Solution Approach 1:
The gear box assembly includes pre-positioned gears and shafts that are precisely arranged before engagement, ensuring that when the hand drill attaches to the input shaft, the force transmission path is immediately established with proper alignment and stability
Solution Approach 2:
The gear box assembly acts as an intermediary between the hand drill and the tilling wheel assembly, providing a stable mechanical interface that translates the rotational force from the hand drill into effective tilling action while maintaining attachment stability
3Volume of moving object
If the gear box assembly integrates multiple shafts and gears in one housing, then device compactness is improved, but manufacturing precision requirements increase
Solution Approach 1:
Multiple functional components including the input shaft, first output shaft, second output shaft, and gear train are merged into a single integrated gear box housing, reducing the overall volume of the micro-tiller module while maintaining proper alignment through precise manufacturing of the housing bore and mounting features
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 and portable earth working by allowing the micro-tiller module to be easily attached and detached from a hand drill, facilitating rotation of tilling wheels and effective soil engagement without damaging either component, enhancing user convenience and operational efficiency.
Implementation Method 1
a plurality of gears positioned inside the housing and arranged such that the first output shaft and the second output shaft rotate in response to rotation of the input shaft
Data Source
AI summary
A micro-tiller module that is releasibly engageable with a hand drill can include a gear box assembly, first and second tilling wheel assemblies, and a stabilizer fork. The gear box assembly can include a housing, an input shaft extending along an input shaft axis, first and second output shafts, and a plurality of gears. The external end of the input shaft is configured to be releasibly engageable with a chuck of the hand drill. The tilling wheel assemblies can be respectively mounted to the output shafts. The stabilizer fork can extend from a base end fixed to the housing, along a stabilizer axis transverse to the input shaft axis, to a distal end from which first and second tines project. Each of the tines can extend further along the input shaft axis than transverse to the input shaft axis.