公开(公告)号：US20230339523A1

公开(公告)日：2023-10-26

申请号：US18094827

申请日：2023-01-09

申请人： SEMES CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

发明人： In Kyeong HWANG ,  Hyuk Jae Sung ,  Hyungsik Um ,  Hongjin Kim ,  Won Young Kim ,  Bo Seung Hwang ,  Sangjune Bae ,  Byeong Hyeon Lim

IPC分类号： B61D15/12 ,  B61D49/00

CPC分类号： B61D15/12 ,  B61D49/00

摘要： A rail inspection device is provided. The rail inspection device includes: a drive part configured to drive on a lower rail; side wheels configured to rotate such that the drive part moves in a first direction on the lower rail, wherein the side wheels are provided on two side surfaces of the drive part opposite to each other in a second direction that intersects the first direction; upper wheels provided on an upper surface of the drive part and configured to rotate in contact with a branch guide rail provided above an upper portion of the drive part; a body connected to a lower surface of the drive part in a third direction that is perpendicular to the first direction and the second direction; and an inclination sensor provided on the upper surface of the drive part and configured to measure an inclination of the body.