| 摘要 |
FIELD: transport. ^ SUBSTANCE: invention relates to hinged coupling for railway transport facility wherein coupling bail is fitted in coupling yoke by means of spherical support. Hinged coupling comprises coupling bail 3 and spherical support fitted therein. Spherical support has inner ring 5 with bulged surface 6 arranged to rotate in outer ring 7 with recessed surface 8. Inner ring 7 is fixed in hole by coupling bail 3. To fix inner ring 7 in hole of coupling bail 3, both outer ring 7 and coupling bail 3 are provided with grooves 15, 17. Coupling ring 18 enters groove 17 of outer ring 7 and groove 15 of coupling bail 3. ^ EFFECT: reliable design. ^ 10 cl, 3 dwg |
