Bucket Position Indicator for Loader Alignment
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Solution Overview
Problem
Operators of loading machines face difficulties in properly positioning the bucket at low levels due to the bottom surface being invisible, leading to inefficiencies and misalignment, and existing position indicators require frequent adjustments for different operators and changing operator positions.
Innovation Solution
A bucket position indication mechanism with at least one position indicating element attached to the bucket, viewable by the operator, that extends parallel to the bottom plate, allowing alignment without directly viewing the bottom plate, and can be easily adjusted and assembled.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a traditional position indicator is used that requires adjustment for different operators, then the indicator can be aligned with the operator's line of sight, but it requires frequent adjustments and recalibrations when operators change or change sitting positions
Solution Approach 1:
The position indicating element is attached directly to the bucket, allowing it to automatically indicate the bucket's position relative to the ground surface without requiring manual adjustment. The element extends parallel to the bottom plate, so when the bottom plate is aligned with the ground surface, the indicating element is also parallel to the ground surface, providing self-adjusting functionality
Solution Approach 2:
Instead of positioning the indicator at a fixed location relative to the operator (which varies by operator height and sitting position), the indicator is positioned in a different dimension - attached to the bucket itself. This allows the indicator to move with the bucket and maintain accurate indication regardless of operator position
2Measurement precision
If the operator relies on direct visibility of the bottom plate to position the bucket, then accurate alignment can be achieved, but the bottom plate is invisible when the bucket is at low levels
Solution Approach 1:
The position indicating element serves as an intermediary between the bucket's actual position and the operator's observation. Instead of directly observing the bottom plate (which is invisible at low levels), the operator observes the indicating element that is visible and provides information about the bottom plate's orientation through its parallel extension
3Reliability
If the position indicating element is attached to the bucket, then it moves with the bucket to maintain accurate indication, but the attachment mechanism must be secure and reliable
Solution Approach 1:
The position indicating element is merged with the bucket structure through direct attachment, creating a unified system where the indicator becomes an integral part of the bucket assembly. This eliminates the need for separate, complex adjustment mechanisms while ensuring the indicator moves reliably with the bucket
Data Source
AI summary
A bucket position indication mechanism is provided for a material handling machine. The material handling machine includes a bucket and an operator's control station. The bucket position indication mechanism includes at least one position indicating element attached to the bucket at a position that is viewable by an operator at the operator's control station when a bottom plate of the bucket is aligned with a ground surface and at least a portion of the position indicating element extending in a direction parallel to the bottom plate of the bucket.