GROUNDING DEVICE FOR RAILWAY VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a grounding device for a railway vehicle, which leads a current to an axle without through a bearing even when the axle is axially moved relative to an axle box. SOLUTION: The grounding device for the railway vehicle is provided with: a rotation side fixture 11 rotated with the axle 4; a fixed side fixture 12 rotatably attached with the rotation side fixture 11; and an energization part (conductive grease G or rolling bearing 21 sealed with conductive grease G) interposed between the rotation side fixture 11 and the fixed side fixture 12 and enabling energization between the rotation side fixture 11 and the fixed side fixture 12. Thereby, the current can be led to the axle 4 through the fixed side fixture 12, the energization part and the rotation side fixture 11 without through the bearing 2. COPYRIGHT: (C)2006,JPO&NCIPI