Virtual track portal frame structure logistics robot for goods shelf type warehouse

By using a virtual track gantry structure with four independent drives and a multi-degree-of-freedom boom design, the problems of insufficient speed, accuracy and intelligence of Mecanum wheel AGVs in rack warehouses have been solved, achieving efficient and precise logistics transportation.

CN224391112UActive Publication Date: 2026-06-23NORTH CHINA UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202521135350.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2026-06-23
Estimated Expiration
2035-06-05

AI Technical Summary

Technical Problem

Existing Mecanum wheel AGV logistics robots suffer from problems such as slow movement speed, poor positioning accuracy, low transportation efficiency, and insufficient intelligence in rack warehouses, especially in narrow spaces and high-density environments where they are poorly adaptable.

Method used

It adopts a virtual track gantry structure with four independent drive, combined with a three-axis linkage mobile mechanism and a multi-degree-of-freedom boom, and is equipped with laser ranging and visual recognition technology to achieve high-precision cargo grabbing and handling.

Benefits of technology

It achieves efficient movement of the high-speed independent drive chassis, improves positioning accuracy to ±5mm/±0.5°, enhances environmental adaptability and intelligence capabilities, reduces manual intervention, and improves the automation level of warehousing and logistics.

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Abstract

According to the virtual track portal frame structure logistics robot for the goods shelf type warehouse, through the innovative portal frame mechanical structure design, longitudinal and transverse independent rapid movement is achieved, the multi-degree-of-freedom suspension arm and the modular grabbing device are combined, and the carrying efficiency and the operation precision are remarkably improved; a virtual track navigation technology integrating laser ranging, visual identification and infrared line patrol is adopted, so that the dependence on an entity track is eliminated, and the environmental adaptability is enhanced; and a partitioned power supply system and an intelligent control algorithm are adopted. The device comprises a moving mechanism, a gear transmission turntable mechanism is slidably mounted on the moving mechanism in the Y direction, a lifting mechanism is fixedly mounted at the top of the gear transmission turntable mechanism, a telescopic mechanism is slidably mounted on the lifting mechanism in the Z direction, and a claw clamping mechanism is mounted at the front end of the telescopic mechanism.
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