Concrete core sample leveling device capable of freely ascending and descending

The utility model discloses a concrete core sample leveling device capable of ascending and descending freely. The concrete core sample leveling device comprises a top plate, a bottom plate, a base, afoot screw and a plurality of adjusting screw rods, the foot screw is movably arranged at the lower section of the adjusting screw rod; the top plate is arranged at the top of the adjusting screw rod, and the top plate is in bolted connection with the adjusting screw rod at the top of the adjusting screw rod; the adjusting screw rod penetrates through the bottom plate, the bottom plate is arranged above the foot screw, and the bottom plate is in contact with the top surface of the foot screw; and the base is arranged at the bottom of the adjusting screw rod and is fixedly connected with the bottom surface of the adjusting screw rod. The concrete core sample leveling device is simple in structure and convenient to use, can quickly and accurately level a concrete core sample, can freely adjust the height, has the a