Motor-Driven Log Splitter Actuation for Automatic Rack Return
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Solution Overview
Problem
Existing log splitters require manual initiation and resetting of the actuation force, posing safety risks and inefficiencies, especially when the device stalls during operation.
Innovation Solution
A log splitter with an automated actuation assembly and reset system, featuring a safety lever, trigger lever, and engagement lever that allows for automated forward and reverse movement of the rack, powered by an electric motor, ensuring safe and efficient operation without manual two-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual initiation and resetting of actuation force is used, then device complexity is reduced, but operator safety and productivity deteriorate due to exposure to kickback events and manual two-handed operation requirements
Solution Approach 1:
The system performs self-service through automated actuation and resetting. The motor automatically initiates forward movement of the rack to drive the log splitter, and automatically resets the rack to its starting position after operation, eliminating the need for manual two-handed operation and reducing operator exposure to kickback events
Solution Approach 2:
The patent replaces manual mechanical operation with an electric motor system. The motor provides automated actuation force to move the rack forward and reverse, substituting the need for manual initiation and resetting operations, thereby improving operator safety while managing device complexity through electrical automation
2Productivity
If automated actuation assembly is implemented, then productivity is improved by eliminating manual two-handed operation, but device complexity increases due to additional components
Solution Approach 1:
The automated actuation assembly performs self-service by automatically initiating forward movement and resetting operations. The motor-driven system eliminates the need for manual two-handed operation, allowing single-handed control and improving operational efficiency while the system manages its own actuation cycle
Solution Approach 2:
The motor serves multiple functions within the actuation assembly - it provides forward actuation force to drive the rack, enables resetting of the rack to starting position, and replaces the need for separate manual initiation mechanisms. This multi-functionality improves productivity while consolidating components
3Loss of time
If manual resetting is required during stalling, then device complexity is reduced, but loss of time increases due to manual intervention requirements
Solution Approach 1:
The system performs automatic resetting of the rack to its starting position after the splitting operation is complete. This self-service resetting function eliminates the need for manual intervention during stalling or normal operation, reducing time loss while the motor-driven mechanism handles the resetting automatically
Solution Approach 2:
The automated reset system ensures continuous operation by automatically returning the rack to its starting position without interrupting the workflow. The motor provides continuous actuation capability, allowing the system to maintain operational continuity and reduce idle time between splitting cycles
Data Source
AI summary
A log splitter is provided. The log splitter includes a housing, a power source, a motor within the housing and electrically coupled to the power source, a support arm coupled to and at least partially within the housing, a rack coupled to at least a portion of the support arm, and an actuation assembly at least partially within the housing and coupled to the motor and the rack. The power source may include at least one battery. The support arm extends between a first end and a second end. The rack is configured to move along the support arm in a forward direction to an extended position adjacent the first end of the support arm and a reverse direction toward to a starting position adjacent the second end of the support arm. The actuation assembly is configured to move the rack at least in the forward direction.