Detachable Tiller Tines Segmentation for Obstruction Clearing
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Solution Overview
Problem
Tiller operators face inefficiencies and operator dissatisfaction due to tangled roots in the rotating assembly, which reduces tilling effectiveness and requires manual obstruction clearing, increasing operation time and difficulty.
Innovation Solution
A detachable rotating tine assembly with a removable pin allows easy removal and reattachment of tines to the rotatable shaft without tools, enabling operators to clear obstructions from any part of the assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the rotating assembly is designed with fixed tines attached to the shaft, then the structural integrity and stability of the rotating assembly is improved, but the ease of maintenance and obstruction clearing deteriorates
Solution Approach 1:
The rotating assembly is segmented into modular components: the shaft, the rotating assembly itself, and individual tines. This segmentation allows the rotating assembly to be detached from the shaft and tines to be removed individually, enabling easy obstruction clearing while maintaining structural integrity during operation through the modular design.
Solution Approach 2:
The design transitions from a static fixed attachment to a dynamic removable attachment system. The rotating assembly can be dynamically detached and reattached to the shaft, and tines can be dynamically removed and reinstalled, providing flexibility for maintenance while maintaining stability during operation.
2Reliability
If the tines are permanently attached to the rotating assembly, then the reliability of the rotating assembly is improved, but the productivity and operation efficiency deteriorates due to frequent manual clearing
Solution Approach 1:
By segmenting the rotating assembly into detachable components, the system maintains reliability during operation while enabling rapid maintenance. The modular design allows quick removal of obstructed tines without requiring complete disassembly, thus minimizing downtime and maintaining productivity.
Solution Approach 2:
The design enables the operator to easily service the tines themselves without requiring specialized tools or complex procedures. The simple detachable connection allows operators to quickly remove and replace tines, performing maintenance themselves rather than requiring external service, thus maintaining productivity.
3Device complexity
If the rotating assembly is made compact and fixed, then the device complexity is reduced, but the adaptability for maintenance access deteriorates
Solution Approach 1:
The rotating assembly is designed as a segmented modular unit that can be detached from the shaft. This segmentation maintains relative simplicity of the overall device while providing adaptability for maintenance, as each module can be independently accessed, removed, and serviced without requiring complete disassembly of the entire system.
Solution Approach 2:
The design introduces dynamic detachability to a previously static fixed structure. This allows the rotating assembly to transition between a compact operational state and a disassembled maintenance state, providing adaptability for access while maintaining simplicity during operation through the straightforward attach/detach mechanism.
Data Source
AI summary
A tiller includes an engine, a mobility assembly, and a rotating assembly. The mobility assembly is operably coupled to the engine to provide mobility of the tiller responsive to operation of the engine. The rotating assembly is selectively coupled to the engine to provide rotation of the rotating assembly. The rotating assembly includes a rotatable shaft configured to turn when the rotation assembly is operably coupled to the engine, and one or more sets of tines disposed on respective tine assemblies. Each of the tine assemblies includes a hollow shaft for receiving the rotatable shaft. The one or more sets of tines extend radially outward from the respective tine assemblies.