Smashing and sampling device for geological exploration

The invention discloses a geological exploration crushing and sampling device, and belongs to the technical field of geological exploration crushing and sampling equipment. A geological exploration crushing and sampling device comprises a sampling storage box, a crushing block is arranged in the middle of the right side of the sampling storage box, a crushing cavity is formed in the crushing block, and an output shaft of a motor A penetrates through the outer wall of a fixed cylinder, extends into the fixed cylinder and is sleeved with a bevel gear A. The interior of the fixed cylinder is rotationally connected with a rotating column through a rotating disc. And a conical extrusion block is arranged above the bevel gear B. Through cooperation of the structures, the device can be placed in the crushing block after sampling, extrusion crushing is performed through eccentric rotation of the conical extrusion block, and the minimum distance between the conical extrusion block and the lower edge is fixed, so that the uniform size of crushed particles is ensured, the crushing efficiency and the crushing effect are improved, and meanwhile, the crushing efficiency is improved. The condition that the stones burst out occurs in the crushing process, so that the safety of an operator is ensured.