| 摘要 |
FIELD: railway transport; brakes. ^ SUBSTANCE: proposed brake shoe contains composite friction member, metal skeleton and hard insert. Metal skeleton consists of two parts, namely, main strip with projection in central part, and reinforcement plate welded to main strip. Hard insert is welded to reinforcement plate of metal skeleton in its central part by continuous weld in longitudinal and/or transverse direction. ^ EFFECT: increased strength and improved reliability of brake shoe. ^ 1 dwg |
