WORKING EQUIPMENT OF SINGLE-BUCKET EXCAVATOR Russian patent published in 2023 - IPC E02F3/28 

FIELD: earth-moving equipment.

SUBSTANCE: invention relates to the working equipment of single-bucket excavators, and can be used for cleaning the under-conveyor space from spills of transported material. The working equipment of a single-bucket excavator contains a boom, pivotally and hydraulically connected to the rotating platform of the base machine, a handle with a bucket, a hydraulic cylinder for the handle drive and a bucket rotation drive. The working equipment of a single-bucket excavator is additionally equipped with a bucket extension mechanism, made in the form of a retractable section of the handle, and a bucket extension hydraulic cylinder. The retractable section of the handle is made hollow with a hydraulic cylinder for its extension located inside and installed inside the main section of the handle with the possibility of linear movement. The bucket is made of two parts, pivotally connected to the retractable section of the handle, where one part is pivotally connected to the rod of the bucket extension hydraulic cylinder, and the second to the housing of the bucket extension hydraulic cylinder. The drive for rotating the bucket relative to the retractable section of the handle is made in the form of a rotary hydraulic motor.

EFFECT: increased reliability of working equipment, increased productivity and easier management of the work process.

1 cl, 2 dwg