Loader Bucket Two-Piece Brace Wear Resistance
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Solution Overview
Problem
Loader bucket components, particularly the implement carrier interface, experience wear and fatigue due to shock loads from encountering obstacles and normal operational stresses such as digging, leading to potential failure.
Innovation Solution
A two-piece brace configuration is integrated into the loader bucket design, with a first portion attached to the bottom wall and a second portion extending along the rear wall, providing additional strength and wear resistance by extending beneath the lip portions of the implement carrier interface and attaching to an L-bracket at the bend region, enhancing the bucket's ability to withstand shock loads and operational stresses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional single-piece brace configuration is used, then the device complexity is low, but the strength and wear resistance of the implement carrier interface are insufficient
Solution Approach 1:
The brace is divided into two separate pieces: a first brace piece attached to the bottom wall and a second brace piece attached to the rear wall. This segmentation allows each piece to be optimized for its specific location and function, providing enhanced strength and wear resistance at the implement carrier interface while maintaining manufacturability through separate attachment processes
2Reliability
If the brace extends along the entire rear wall, then the wear resistance is maximized, but the device complexity and material usage increase
Solution Approach 1:
The second brace piece is configured to extend along only a portion of the rear wall structure, specifically positioned to provide wear resistance where the implement carrier interface contacts the bucket. This localized approach concentrates material where it is most needed for wear protection while reducing overall material consumption compared to extending the brace along the entire rear wall
3Reliability
If the implement carrier interface is reinforced, then the fatigue resistance improves, but the weight of the bucket increases
Solution Approach 1:
The reinforcement is segmented into two separate brace pieces attached at different locations (bottom wall and rear wall). This distributed reinforcement approach provides fatigue resistance at the implement carrier interface by spreading the structural support across multiple attachment points, potentially reducing the overall material required compared to a single large reinforcement element
Solution Approach 2:
The reinforcement strategy extends from a single-plane approach to a multi-dimensional configuration by attaching brace pieces at both the bottom wall and rear wall. This three-dimensional reinforcement network provides superior fatigue resistance by creating a more complex load path that distributes stresses away from the implement carrier interface
Data Source
AI summary
Power machine bucket implements include a rear wall structure, a bottom wall structure adjoining the rear wall structure at a bend region, and a two-piece brace. The two-piece brace includes a first piece attached to and extending along a portion of the bottom wall structure and a second piece, separate from the first piece, attached to the back side of the rear wall structure.