Warehouse Handling Robot With Reference-Line Shelf Retrieval
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Solution Overview
Problem
Existing handling robots in intelligent warehousing systems have limited capacity to load inventory items due to inefficient loading and unloading mechanisms, resulting in low efficiency and limited space utilization.
Innovation Solution
A handling robot equipped with a telescopic arm, manipulator, and lifting assembly that extends to a preset position on a warehouse shelf, loads and unloads inventory items along a horizontal reference line, and adjusts its posture using detection devices to optimize alignment and loading capacity, allowing for a higher number of inventory items to be stored with minimal vertical space occupation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing handling robots are used with traditional loading mechanisms, then the structure is simple, but the quantity of inventory items that can be loaded is too few and efficiency is low
Solution Approach 1:
The loading mechanism is segmented into multiple independent components: telescopic arm for horizontal movement, manipulator for item handling, and lifting assembly for vertical movement. Each component performs a specific function, allowing the system to load multiple inventory items efficiently while maintaining manageable complexity through modular design
Solution Approach 2:
The patent transitions from traditional single-dimension loading to three-dimensional loading by adding horizontal telescopic movement and vertical lifting capabilities. This enables the handling robot to access inventory items at different positions (front, back, upper, lower layers) simultaneously, dramatically increasing loading capacity and efficiency
2Quantity of substance
If more inventory items are loaded into the storage frame, then the load capacity increases, but the vertical space occupation increases
Solution Approach 1:
The patent utilizes horizontal telescopic movement to access inventory items at different depths without increasing vertical space occupation. The telescopic arm extends horizontally to reach back-layer items, while the lifting assembly provides vertical adjustment. This multi-dimensional approach allows loading more items into the same vertical footprint by efficiently utilizing horizontal and vertical adjustment capabilities
3Measurement precision
If the manipulator extends to preset position along reference line, then the positioning precision is improved, but the time to complete loading operation increases
Solution Approach 1:
The system pre-positions the manipulator along a preset horizontal reference line and uses preset positions on the warehouse shelf for inventory items. This preliminary alignment ensures that when the telescopic arm extends, the manipulator is already correctly positioned for accurate and rapid item handling, reducing the time needed for positioning while maintaining high precision
Solution Approach 2:
The detection device monitors the position of the manipulator and telescopic arm, providing feedback to the control system. This enables real-time adjustment to maintain precise positioning along the reference line while optimizing movement paths to minimize operation time. The feedback mechanism ensures accurate positioning without requiring excessive adjustment time
Data Source
AI summary
A method for retrieving an inventory item based on a handling robot, where the handling robot includes: a storage frame; and a material handling device installed on the storage frame, and including a telescopic arm and a manipulator installed to the telescopic arm; and the method for retrieving an inventory item includes: driving, by the telescopic arm, the manipulator to extend to a preset position of warehouse shelf along a preset horizontal reference line; loading, by the manipulator that is remained on the reference line, the inventory item located in the preset position; driving, by the telescopic arm, the manipulator loaded with the inventory item to move to the storage frame along the reference line; and unloading, by the manipulator that is remained on the reference line, the inventory item to the storage frame.