| 摘要 |
FIELD: mining industry. SUBSTANCE: invention relates to mining machinery and it can be used in open-cast power shovels for load-bearing preliminarily exploded material. Proposed bucket contains side walls, front wall with teeth and back wall with hinge connected bottom. Fractionating grating is hinge mounted in front part of bucket rear wall. Inner surface of rear wall is provided with ribs according to slots of grating. Slots of fractionating grating are square-shaped, partitions of fractionating grating in cross section are triangular in shape and are installed with pointing of vertex of triangle inside bucket. EFFECT: improved quality of sorting out, prevention of clogging of fractionating grating. 2 dwg |
