US 12,479,663 B2
Transfer robot, box retrieval method, cargo box loading method and warehouse logistics system
Yuhui Xiao, Beijing (CN)
Assigned to BEIJING GEEKPLUS TECHNOLOGY CO., LTD., Beijing (CN)
Appl. No. 18/000,542
Filed by BEIJING GEEKPLUS TECHNOLOGY CO., LTD., Beijing (CN)
PCT Filed May 21, 2021, PCT No. PCT/CN2021/095276
§ 371(c)(1), (2) Date Dec. 2, 2022,
PCT Pub. No. WO2021/249163, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 202010524246.4 (CN), filed on Jun. 10, 2020.
Prior Publication US 2023/0211949 A1, Jul. 6, 2023
Int. Cl. B65G 1/06 (2006.01); B65G 1/137 (2006.01); B25J 9/00 (2006.01)
CPC B65G 1/06 (2013.01) [B65G 1/1375 (2013.01); B25J 9/0009 (2013.01); B65G 2201/025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A transfer robot, comprising a movable chassis, a door frame vertically arranged on the movable chassis, a temporary storage mechanism, and a cargo box conveying mechanism,
wherein the temporary storage mechanism and the cargo box conveying mechanism are arranged on the door frame; the temporary storage mechanism has a plurality of temporary storage spaces for temporary storage of cargo boxes; and the cargo box conveying mechanism transfers the cargo boxes between the temporary storage spaces and inventory containers;
the door frame comprises a pair of support columns arranged in parallel and spaced apart from each other; the support columns are arranged vertically; and the temporary storage mechanism and the cargo box conveying mechanism are both connected to the pair of support columns;
the cargo box conveying mechanism is connected to the door frame through a lifting mechanism; the lifting mechanism is configured to drive the cargo box conveying mechanism to rise and fall vertically; and the lifting mechanism is a self-driven lifting mechanism;
the door frame comprises an auxiliary transmission member;
the lifting mechanism further comprises a lifting guide assembly configured to guide a vertical movement of the lifting mechanism; and
one of the pair of support columns has a receiving groove with an opening facing another support column of the pair of support columns; the auxiliary transmission member is arranged on a side groove wall of the receiving groove; and the lifting guide assembly is slidably or rollingly connected to a groove wall opposite to the side groove wall.