WORKING EQUIPMENT OF SINGLE-BUCKET EXCAVATOR Russian patent published in 2020 - IPC E02F3/40 

FIELD: excavators.

SUBSTANCE: invention relates to single bucket hydraulic excavators equipped with backhoe bucket, having additional degree of mobility. Working equipment of one-bucket excavator includes ladle with cutting part and side walls, pivotally connected to handle, shutter, tie-rod and control hydraulic cylinder hingedly connected with bucket. Bucket comprises rocker arms arranged on both sides on handle to turn thereabout. Cutting part is pivotally mounted in ladle and simultaneously functions as gate. Tie-rods made in the form of additional lateral moving walls are hinged by one ends to the cutting part, and by other ends are hingedly connected to arms of yokes, besides, the arms of the rockers interact kinematically with the bucket.

EFFECT: technical result is higher efficiency of equipment due to absence of need for additional movements of bucket to ensure its full filling, as well as absence of partial loss of cargo during transportation to unloading point.

1 cl, 4 dwg