Foldable Log Splitter Beam Rotation Mechanism
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Solution Overview
Problem
The existing mechanical log splitters face challenges in cost-effective shipping due to large crate requirements and complex assembly processes, which lead to high shipping costs and time-consuming assembly for end users, often resulting in operational issues.
Innovation Solution
A log splitter design featuring a first beam supporting a moveable blade and a second beam between wheels, connected by a rotatable connector system with pressure plates and shoulder plates, allowing for compact packing and easy assembly outside the crate with pre-connected mechanical parts, reducing the need for extensive assembly efforts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the log splitter is shipped in a free-standing state, then it is ready for immediate use, but it becomes extremely difficult to stack devices one on top of the other and shipping costs become prohibitively high
Solution Approach 1:
The log splitter is divided into two main segments: a first beam containing the blade assembly and a second beam containing the wheel assembly. These segments can be disconnected to allow compact stacking and efficient shipping, then reconnected at the destination to form a complete operational unit.
Solution Approach 2:
The connector system incorporates rotatable joints and movable components that allow the beams to transition between connected and disconnected states. The shoulder plate and pressure plate mechanisms enable dynamic reconfiguration from a compact shipped state to an operational assembled state.
2Volume of moving object
If the log splitter is disassembled for shipping, then shipping costs are reduced, but the assembly process becomes extremely complex and time-consuming
Solution Approach 1:
The device is segmented into modular components (first beam, second beam, connector assembly) that can be independently shipped and then easily reconnected, reducing both shipping volume and assembly complexity compared to complete disassembly.
Solution Approach 2:
The connector components (shoulder plate, pressure plate, pins, bolts) are pre-configured and pre-positioned on the beams before shipping. This preliminary arrangement ensures that when the beams are connected at the destination, the assembly process is simplified and can be completed quickly without complex alignment procedures.
3Volume of moving object
If the log splitter is disassembled for shipping, then shipping costs are reduced, but operational issues arise from incorrect assembly of pressure hoses and mechanical parts
Solution Approach 1:
All mechanical connections, including pressure hoses and connector components, are pre-assembled and pre-tested at the factory before the beams are separated for shipping. This ensures that when the beams are reconnected at the destination, the operational reliability is maintained without requiring field assembly of critical components.
Solution Approach 2:
The design segments the device in a way that keeps all critical fluid connections and mechanical linkages intact within each beam or pre-assembled on the beams, eliminating the need for field assembly of pressure hoses and reducing the risk of operational issues.
4Reliability
If technical experts are dispatched to address assembly problems, then operational issues are resolved, but time and cost are significantly increased
Solution Approach 1:
All critical assembly steps are completed at the factory with quality assurance testing before shipping. The beams arrive pre-configured with all necessary connections, eliminating the need for field assembly and the subsequent time loss associated with expert intervention when problems arise.
Solution Approach 2:
The design enables end-users to easily reconnect the beams using simple, tool-free or minimal-tool procedures without requiring technical expertise. The self-evident connector design allows users to assemble the device themselves, eliminating the need for technical expert intervention.
Data Source
AI summary
A method of preparing a log splitter comprising a first beam supporting a moveable blade configured for splitting logs and a second beam extending between two wheels, the method comprising: elevating the first beam in relation to the second beam while the first beam is connected to the second beam by a rigid element that is pin jointed at a first end to the first beam and at a second end to the second beam; rotating the first beam horizontally about a vertical connection until the first beam is oriented perpendicular to the second beam; and attaching a tow bar beneath the first beam and parallel with the first beam.