| 摘要 |
FIELD: earth-moving facilities. SUBSTANCE: invention relates to blade systems of scraper sets. Proposed blade system contains side fixed and middle articulated section furnished with cutting blades. Middle section is hinge-connected to bottom. Front undercutting blades are installed on inner edges on top of fixed sections. Rear undercutting blades are mounted behind front cutting blades on outer edges of middle articulated section. Front and rear undercutting blades are installed with clearance and in one plane. EFFECT: improved reliability of scraper. 7 dwg |
