The utility model relates to the technical field of geological
mineral exploration sampling, and discloses a portable sampling device for geological
mineral exploration, which comprises a bottom plate, one side of the upper surface of the bottom plate is fixedly connected with a hand-held frame, the outer surface of the bottom plate is rotatably connected with walking wheels on the outer side of the hand-held frame, and the upper surface of the bottom plate is in threaded connection with a
threaded rod. Supporting legs are rotatably connected to the lower ends of the threaded rods, a
crank is fixedly connected to the upper ends of the threaded rods, a sliding rail is fixedly connected to the middle of the upper surface of the bottom plate, a sliding block is slidably connected to the inner side wall of the sliding rail, a small drilling
machine is fixedly connected to one end of the sliding block, and a drilling rod is in threaded connection to the lower end of a drilling
machine power shaft; the lower end of the
drill rod is in threaded connection with a drilling sampling head, the outer surface of the sliding rail is fixedly connected with a fixed arc-shaped sliding rail, the inner side wall of the fixed arc-shaped sliding rail is slidably connected with a sliding cylinder, the outer surface of the sliding cylinder is fixedly connected with a clamping frame, and the device has the beneficial effects that the
drill rod is automatically replaced, and moving and leveling are convenient.