Title:
BALL SPLINE DEVICE, AUTOMATED GUIDED VEHICLE, AND STEREOSCOPIC WAREHOUSE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/062325
Kind Code:
A1
Abstract:
A ball spline device. The ball spline device comprises: a spline shaft (1), the outer side wall thereof being provided with raceway grooves extending in the axial direction, each raceway groove comprising, in the axial direction, a first groove section (11) and a second groove section (12) that are communicated, and the width of the second groove section (12) being greater than that of the first groove section (11); a spline nut (2) coaxially fitted over the spline shaft (1); and first rolling bodies (23) movably provided in the raceway grooves in the axial direction so as to implement relative movement of the spline nut (2) and the spline shaft (1). When the spline nut (2) is located at a first position, the first rolling bodies (23) are located in the first groove sections (11) and in constraint fit with the first groove sections (11), such that the spline nut (2) and the spline shaft (1) synchronously rotate; and when the spline nut (2) is located at a second position, the first rolling bodies (23) are located in the second groove sections (12), such that the spline nut (2) and the spline shaft (1) have a preset movement amount in the circumferential direction. Further provided are an automated guided vehicle and a stereoscopic warehouse system.
Inventors:
LIU CHEN (CN)
YU ZONGJING (CN)
SONG GUOKU (CN)
LIU XU (CN)
YU ZONGJING (CN)
SONG GUOKU (CN)
LIU XU (CN)
Application Number:
PCT/CN2021/080165
Publication Date:
March 31, 2022
Filing Date:
March 11, 2021
Export Citation:
Assignee:
BEIJING JINGDONG QIANSHI TECH CO LTD (CN)
International Classes:
F16C29/04; F16C29/06; F16D3/06
Domestic Patent References:
| WO2020179265A1 | 2020-09-10 |
Foreign References:
| CN112303138A | 2021-02-02 | |||
| CN208897469U | 2019-05-24 | |||
| CN207569089U | 2018-07-03 | |||
| CN203967898U | 2014-11-26 | |||
| CN101542147B | 2011-06-15 | |||
| KR20190001282U | 2019-06-03 |
Other References:
See also references of EP 4134561A4
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
Download PDF:
Previous Patent: PROJECTION TABLE
Next Patent: LITHIUM BATTERY DIAPHRAGM, ELECTROCHEMICAL APPARATUS, AND METHOD FOR IMPROVING DISTRIBUTION OF TRANS...
Next Patent: LITHIUM BATTERY DIAPHRAGM, ELECTROCHEMICAL APPARATUS, AND METHOD FOR IMPROVING DISTRIBUTION OF TRANS...