Container Holder Detection for Multi-Container Transport Vehicles

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Solution Overview

Problem

Existing transport vehicles struggle to efficiently handle multiple types of containers with different structures, requiring dedicated vehicles for each type, which limits efficiency in facilities handling diverse container types.

Innovation Solution

A transport vehicle equipped with a holder device and determination device that can detect and adapt to the specific configuration of first and second containers by using detectors to determine the type of container, allowing it to adjust its holding operation accordingly based on the distance between the container's held sections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If dedicated transport vehicles are used for different container types, then each container type can be handled efficiently, but the number of vehicles required increases and overall facility efficiency decreases

Engineering Contradiction:
Improvecontainer transport efficiencyVSAvoidnumber of transport vehicles
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The transport vehicle is designed with a universal holder device that can accommodate multiple container types. The holder device includes adjustable holding sections that can be positioned at different intervals to match the specific spacing of held sections on various container types, allowing one vehicle to perform multiple container handling functions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The holder device parameters (specifically the spacing between holding sections) are made adjustable to match different container specifications. The determination device detects container type and triggers appropriate parameter adjustments in the holder device, enabling the same physical hardware to adapt to different container configurations.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If a single transport vehicle handles multiple container types, then vehicle utilization improves, but the ability to accurately identify and adapt to different container configurations becomes necessary

Engineering Contradiction:
Improvecontainer type handling capabilityVSAvoidcontainer type identification
Core Design Contradiction:
Adaptability or versatilityVSDifficulty of detecting and measuring

Solution Approach 1:

The determination device performs container type identification before the holding operation begins. By detecting the container type in advance (using sensors to measure distances between held sections), the system can pre-adjust the holder device parameters, ensuring the correct holding configuration is ready before the actual grasping action occurs.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The determination device continuously monitors container characteristics and provides feedback to the control device. This feedback loop allows the system to automatically adjust holder device parameters based on real-time detection of container type, ensuring accurate adaptation without manual intervention.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12543532B2Transport vehicle
Publication Date: 2026.02.03 DAIFUKU CO LTD
  • US12543532B2 patent drawing
  • US12543532B2 patent drawing
  • US12543532B2 patent drawing

AI summary

A first container includes a pair of first held sections serving as a pair of held sections, and a second container includes a pair of second held sections serving as a pair of held sections. A first distance between the two first held sections is smaller than a second distance between the two second held sections. A first detector is configured to detect a detection target section in the first held sections and not detect the detection target section in the second held sections while a holder device is disposed at a holding reference position. A second detector is configured to detect a detection target section in the second held sections and not detect the detection target section in the first held sections while the holder device is disposed at the holding reference position.