Vertical Lift Carriage Enclosure for Safe Load Alignment
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Solution Overview
Problem
Existing vertical lift systems in storage and retrieval systems face challenges in minimizing storage and retrieval times, ensuring safety during handling, and reducing wear and tear due to factors like slippage, misalignment, and overload, while maintaining efficient operation in warehouses and distribution centers.
Innovation Solution
The implementation of a conveyor carriage with a drop-down plate and a locking mechanism, along with a load handling station featuring a pivotable lid, enhances safety and minimizes wear by enclosing components in a closed position, and includes sensors for precise load detection and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If transport devices use multiple components positioned on and outside the frame, then the functionality and control capability are improved, but the device complexity and wear and tear increase
Solution Approach 1:
The patent integrates multiple components (drive unit, motor, reducer, brake, sensors) inside the enclosed frame structure of the transport device. This nesting approach consolidates scattered components into a unified compact system, reducing overall device complexity while maintaining full functionality and control capability.
Solution Approach 2:
The enclosed frame structure serves multiple functions simultaneously: it houses mechanical components, provides structural support, enables vertical movement along rails, and offers protection. This multi-functionality reduces the need for separate structural elements, thereby simplifying the overall device while enhancing adaptability.
2Reliability
If the drop-down plate encloses components in the closed position, then safety is improved and wear and tear is reduced, but accessibility for maintenance deteriorates
Solution Approach 1:
The drop-down plate is designed as a movable enclosure that can transition between closed and open positions. This dynamic structure provides safety during operation (closed position) while enabling maintenance access when needed (open position), thus resolving the contradiction between protection and accessibility.
Solution Approach 2:
The plate is pre-configured to enclose components during normal operation, providing continuous protection. When maintenance is required, the plate can be opened without requiring disassembly of the entire structure, allowing preliminary preparation for maintenance while maintaining operational safety.
3Measurement precision
If sensors are added for precise load detection and alignment, then measurement precision is improved, but device complexity increases
Solution Approach 1:
Sensors are integrated into the existing frame structure and component arrangements, allowing them to perform self-detection functions without requiring additional external systems. The sensors leverage the natural positioning and movement of existing components to achieve precise load detection and alignment measurements.
Solution Approach 2:
Multiple sensor functions (load detection, alignment measurement, position sensing) are combined within the unified enclosed frame structure. This merging of sensing functions into a single integrated system reduces overall complexity compared to having separate detection systems for each function.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration optimizes load handling by reducing maintenance needs and ensuring safe, efficient storage and retrieval operations with minimized wear and tear, enhancing the overall performance of vertical lift systems.
Implementation Method 1
The drop-down plate is transitioned to the open position from the closed position by retracting the spring-loaded pins.
Data Source
AI summary
A conveyor carriage movable on a guide rail. The conveyor carriage includes a conveyor frame; a pair of side rails spaced apart from each other; and a load carrying portion coupled to the pair of side rails. A drop-down plate hingedly mounted to the conveyor frame and positioned in between the pair of side rails. The drop-down plate is pivotable between an open position and a closed position, wherein the drop-down plate encloses a component of the conveyor carriage in the closed position. The conveyor carriage to pick up and deposit loads from and to a load handling station. The load handling station including a control box with a pivotable lid to enclose one or more components of the load handling station in the closed position.