Rock block removing device

A Rock block removing device comprises a driving rod and a plurality of grab bucket assemblies, the grab bucket assemblies are symmetrically arranged about the axis of the driving rod, one end of each grab bucket assembly is fixed, the other end is provided with a shovel surface structure for cleaning rock blocks, and the shovel surface structures of the grab bucket assemblies surround along the axis of the driving rod to form a working cavity for grabbing the rock blocks; the middles of the grab bucket assemblies are connected with the driving rod, and under driving of the driving rod, the shovel face structures of the multiple grab bucket assemblies are unfolded or folded relative to the axis of the driving rod; each grab bucket assembly comprises a connecting rod and a hook-shaped grab bucket; one end of each connecting rod is fixed, and the other end is pivotally connected to the turning part in the middle of the corresponding grab bucket; one end of each grab bucket is connected with the driving rod, and