Belt Retractor Mechanism for Drone Package Sorting
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Solution Overview
Problem
Existing package receiving and sorting systems for multiple drones and recipients are inefficient and require complex mechanisms.
Innovation Solution
A package receiving and sorting apparatus using a belt mechanism with movable holders and a retractor, where the belt is guided along a movement path with specific positions to efficiently sort packages by retracting into holders and pushing them towards delivery sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a complex mechanism is used to receive and sort multiple packages by multiple drones, then the sorting capability is improved, but the device complexity increases
Solution Approach 1:
The work area is divided into multiple delivery sections, each with its own feeding section. The belt is segmented into multiple sections that can be independently controlled to deliver packages to different destinations. This segmentation allows the system to handle multiple packages simultaneously for multiple recipients without requiring a complex centralized sorting mechanism.
Solution Approach 2:
The single belt structure serves multiple functions: it transports packages across the work area, delivers packages to multiple different feeding sections, and can be retracted to different positions. The movable holders also serve dual purposes by both guiding the belt and positioning packages. This multi-functionality reduces the need for separate specialized mechanisms for each sorting task.
2Device complexity
If a simple belt mechanism is used for package sorting, then the device complexity is reduced, but the sorting efficiency may be compromised
Solution Approach 1:
The holders are designed to be movable along the movement path rather than fixed, allowing dynamic adjustment of the belt tension and positioning. The retractor mechanism enables dynamic repositioning of the belt to different delivery sections. This dynamic capability allows the simple belt mechanism to efficiently adapt to different sorting requirements and maintain high productivity.
Solution Approach 2:
The movable holders act as intermediaries between the belt and the delivery sections. They facilitate the transfer of packages from the belt to the feeding sections and enable the belt to reach multiple delivery positions without requiring complex mechanical linkages. This intermediary mechanism maintains sorting efficiency while keeping the overall system simple.
3Area of stationary object
If the belt is stretched across the entire work area to reach multiple delivery sections, then the coverage is improved, but the space requirement increases
Solution Approach 1:
The belt is nested within the movable holders, which can retract the belt into a compact configuration when not in use. The holders themselves can be positioned along the movement path, allowing the belt to be stored in a space-efficient manner while still providing access to multiple delivery sections across the work area. This nesting principle reduces the space required to accommodate the full-length belt.
Data Source
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AI summary
When a first holder (40) and a second holder (42) are positioned at a pair of midway positions (MP), a belt (38) is arranged between the first holder (40) and the second holder (42) breadthways across a work area (24), and a package (22) is positioned between the belt (38) and a selected one delivery section (54). The first holder (40) and the second holder (42) come closer to each other when approaching a pair of final positions (FP) from the pair of midway positions (MP). The belt (38) is retracted by a retractor (44) into the first holder (40) and the second holder (42) to pull the package (22) in the direction of the selected one delivery section (54).