The utility model relates to an excavating component for a mining excvavtor and the mining excvavtor. The mining excvavtor comprises the excavating component. The excavating component is provided with a V-shaped cantilever. The cantilever comprises a lower connection point for attachment to the mining excvavtor. The first section of the cantilever extends upward from the lower connection point. The second section of the cantilever forms an angle relative to the first section and extends upward and forward from the first section. The second section of the cantilever comprises a far end for limiting a pulley strutting piece, and a pivot element is arranged in the connecting area between the first section and the second section of the cantilever. The excavating component further comprises a cantilever attachment piece with a first end part and a second end part, wherein the first end part is supported by the pivot element in a pivotal mode and the second end part is supported by the pulley strutting piece.