Wire Feeder Adjustable Lift Point for Stable Towing Balance
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Solution Overview
Problem
MIG welding systems with fixed lift points are often unbalanced and orientation-challenged during movement, making them difficult to transport and maneuver, especially when the center of gravity shifts due to changes in wire spool size or equipment configuration.
Innovation Solution
An adjustable lift point mechanism in the wire feeder system, allowing the lift member to be moved in multiple directions and rotated to adjust the lift point, ensuring balance and orientation, with a latch assembly for locking positions and a fastener system for secure placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed lift point is used in the wire feeder system, then the structure is simple and easy to manufacture, but the system becomes unbalanced and difficult to transport when the center of gravity shifts due to changes in wire spool size or equipment configuration
Solution Approach 1:
The lift point is made adjustable rather than fixed, allowing it to be repositioned along the support base to accommodate changes in the system's center of gravity. The support base includes multiple positioning locations with engagement features that allow the lift member to be selectively positioned at different locations along the support base.
2Adaptability or versatility
If the lift point is made adjustable to accommodate center of gravity shifts, then the ease of transportation improves, but the device complexity increases due to additional adjustment mechanisms
Solution Approach 1:
The support base is segmented into multiple discrete positioning locations along its length, each with engagement features. The lift member corresponds to these segmented positions, allowing it to be selectively positioned at predetermined locations rather than requiring continuous adjustment mechanisms.
Solution Approach 2:
The system uses gravity and mechanical engagement features (such as recesses and protrusions) to automatically maintain the lift member at selected positions once positioned, eliminating the need for additional locking mechanisms or active control systems.
3Adaptability or versatility
If multiple positioning locations are provided along the support base, then the adaptability improves for different towing and lifting scenarios, but the manufacturing complexity increases
Solution Approach 1:
The support base incorporates discrete engagement features (recesses, protrusions, or openings) at multiple predetermined locations. These segmented features are simpler to manufacture than continuous adjustment mechanisms, as they can be created through standard machining or molding processes during base fabrication.
Data Source
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AI summary
A welding system has a wire feeder having an adjustable lift point. The wire feeder includes a wire supply source configured to supply welding wire, a wire drive assembly configured to feed wire to a welding gun from the spool, and a support base. The wire supply source and the wire drive assembly are supported by the base. A lift member is connected to the support base and is selectively movable in at least one direction with respect to the support base to enable adjustment of the lift point of the wire feeder.