DIGGING UNIT FOR CABLE EXCAVATOR AND DIGGING TOOL FOR ROPE EXCAVATOR (VERSIONS) Russian patent published in 2020 - IPC E02F3/46 E02F3/30 E02F3/40 

FIELD: machine building.

SUBSTANCE: group of inventions relates to mining single-bucket excavators. Rope excavator comprises boom with end, hoisting rope extended along boom and passing through boom end. Excavator digging unit comprises handle, bucket and rotary actuator for bucket displacement. Handle comprises first end and second end, wherein handle is configured to support rotary motion and translational movement relative to boom. Bucket can support end of lifting rope passing through boom end. Note here that ladle comprises wall and main case. Wall has first side and second side, first side is articulated with second end of handle on wrist hinge. Main body forms a hole for receiving material and an opening for material unloading. Main body is hingedly connected to the second side of the wall for selective closing of the hole for material unloading. Rotary actuator for moving the bucket relative to the second end of the handle comprises a first end connected to the handle and a second end connected to the wall of the bucket.

EFFECT: technical result is reduced wear of bucket, shorter loading time and reduced load on bucket cylinder.

33 cl, 16 dwg