Cargo Handling Apparatus Height Detection and Safe Transfer
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Solution Overview
Problem
Existing cargo handling apparatuses face challenges in efficiently and safely transferring multiple cargoes from a stacked group to a destination location, particularly when there are height differences among the cargoes, as they risk damaging or failing to move all items due to structural limitations and detection inaccuracies.
Innovation Solution
A cargo handling apparatus equipped with a first detecting unit for height position detection, a target setting unit, a determination height position setting unit, a moving apparatus for vertical and horizontal movement, and a second detecting unit for vertical movement information, which collectively enable precise identification and movement of cargoes to a conveyor or storage shelf, preventing overreach and ensuring all items are transferred safely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the cargo handling apparatus uses a simple detection method, then the device complexity is reduced, but the measurement precision of cargo height positions deteriorates
Solution Approach 1:
The detection system is segmented into two specialized units: a first detecting unit for initial height position detection and a second detecting unit for vertical movement detection. This segmentation allows each unit to be optimized for its specific function, improving overall measurement precision without requiring a single complex detection system.
Solution Approach 2:
The controller unit acts as an intermediary that processes detection results from both detecting units, sets determination height positions, and makes decisions about cargo pull-out feasibility. This intermediary processing layer enables accurate height position measurement while keeping the physical detection hardware relatively simple.
2Productivity
If the cargo handling apparatus attempts to move all cargoes simultaneously, then the productivity is improved, but the reliability of safe cargo transfer deteriorates due to height differences
Solution Approach 1:
Before attempting to move cargoes, the system performs preliminary detection of height positions using the first detecting unit, sets target cargoes based on these detections, and determines pull-out feasibility by comparing heights. This preliminary action ensures that only safe cargo movements are attempted, maintaining reliability while enabling efficient processing.
Solution Approach 2:
The system dynamically adjusts its cargo selection and movement strategy based on real-time height position detection. The controller unit determines which cargoes are safe to pull out by comparing relative heights, and this determination changes dynamically as cargoes are moved and the stack configuration changes.
3Device complexity
If the cargo handling apparatus uses a single detecting unit, then the device complexity is reduced, but the measurement precision and detection accuracy deteriorate
Solution Approach 1:
The detection function is segmented into two specialized detecting units: the first detecting unit focuses on initial height position detection to identify target cargoes, while the second detecting unit focuses on monitoring vertical movement during the pull-out process. This segmentation improves measurement precision for each specific detection task.
Solution Approach 2:
Each detecting unit serves its specific function independently and accurately. The first detecting unit self-sufficiently identifies cargo heights and positions, while the second detecting unit independently monitors vertical movement, eliminating the need for a single complex multi-functional detection unit.
Data Source
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AI summary
According to embodiments, a cargo handling apparatus (10) includes a first detecting unit (30), a target setting unit (50), a determination height position setting unit (50), a moving apparatus (20), a second detecting unit (41), and a controller unit (50). The target setting unit sets a cargo (2) positioned in a highest position to a target (G), or if it is determined that the upper surface has no height difference, sets any one of the cargoes, forming a portion of the upper surface to the target (G). The controller unit (50) moves the target upward by driving the apparatus (20), and if it is determined that the target does not exceed the determination height position, determines that pull-out of the target is impossible, and stops an operation of the apparatus (20) so as to stop a movement of the target.