Split Shuttle Assembly for Parallel Material Handling
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Solution Overview
Problem
Automated shuttles in materials handling systems face challenges in effectively retrieving and handling objects with unique characteristics such as size, shape, and storage position, as they often require additional movement or storage locations, leading to inefficiencies in material handling operations.
Innovation Solution
A shuttle assembly comprising two units with interchangeable load beds and a moving mechanism, allowing for simultaneous and independent operation along guide rails, enabling efficient handling of objects by repositioning them between load beds and facilitating simultaneous execution of material handling operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single automated shuttle is used to retrieve objects from storage locations, then the system structure is simple, but the productivity and throughput are limited due to sequential operations
Solution Approach 1:
The automated shuttle is divided into two independent shuttle units (first shuttle unit and second shuttle unit) that can operate separately. Each unit has its own load bed and can perform material handling operations independently, allowing parallel processing of multiple objects simultaneously, thereby increasing throughput without requiring a completely new system architecture
Solution Approach 2:
Two shuttle units are combined into a single shuttle assembly that can selectively operate in either assembled configuration (moving together as one unit) or split configuration (moving independently). This merging allows the system to achieve high productivity through parallel operations while maintaining structural simplicity when full parallel operation is not needed
2Adaptability or versatility
If additional movement or storage locations are used to handle objects with unique characteristics, then the adaptability increases, but the loss of time and operational efficiency decrease
Solution Approach 1:
The first and second load beds are positioned side-by-side in parallel arrangement, allowing objects to be prepared or staged on one load bed while the other load bed simultaneously performs retrieval or delivery operations. This preliminary positioning eliminates the need for additional movement steps and reduces cycle time when handling objects with unique characteristics
Solution Approach 2:
The system transitions from sequential operations along a single path to parallel operations across two dimensions (first load bed and second load bed operating simultaneously). This dimensional change allows the system to handle multiple objects with different characteristics concurrently, increasing adaptability without adding time loss
3Productivity
If the shuttle assembly operates in split configuration with independent shuttle units, then the productivity increases through simultaneous operations, but the device complexity and control difficulty increase
Solution Approach 1:
The shuttle assembly can dynamically switch between assembled configuration (for simple, coordinated movement) and split configuration (for parallel, independent operations). This dynamic reconfigurability allows the system to adapt its complexity level based on operational needs, maintaining high productivity while managing control complexity through standardized attachment and detachment mechanisms
Data Source
AI summary
Various embodiments are directed to a shuttle assembly configured for use in an automated storage and retrieval system. In various embodiments, the shuttle assembly comprises a first shuttle unit comprising a first load bed; and a second shuttle unit comprising a second load bed, wherein the shuttle assembly is operable in an assembled configuration defined by the first shuttle unit and the second shuttle unit being operatively connected to one another such that the first shuttle unit and the second shuttle unit are configured to move together along a shuttle path defined by one or more guide rails, and wherein the shuttle assembly is selectively configurable between the assembled configuration and a split configuration defined by the first shuttle unit and the second shuttle unit being detached from one another such that the first and second shuttle units are moveable independent of one another along respective guide rails.