| 摘要 |
FIELD: mining industry. SUBSTANCE: multiply bent guiding rail of set for transportation of people and materials is bent in flexible state in agreement with needed shape and is then fixed in specified shape. Salient feature of guiding rail is that pulling rope carries metal plates which have cylindrical parts slightly expanding conically outwards in center of hole for rope to which arc-shaped adapting part radially bent outwards adjoins. EFFECT: simplified design, improved operational reliability. 13 cl |
