The invention discloses a casing clamp, power station and torque automatic control system inspection device. The device is characterized in that a sliding pulley is fixed on a suspension beam, an upper end of a supporting column is connected with a cantilever beam and is added with a diagonal rib, fixing rings of different heights are arranged in the middle of the supporting column, a clamp tail rope is connected with a casing clamp, a lower end of the supporting column is connected with a fixing sleeve of a base, a self-control valve and a torque meter are mounted on the casing clamp, a powerstation is connected with the casing clamp through a hydraulic pipeline, different sizes of pipe columns are arranged from small to large, the largest-size pipe column is connected with the base, thedifferent sizes of the pipe columns are arranged from small to large, the largest-size pipe column is connected with the base, different sizes of the pipe columns are engaged by the casing clamp, andthe casing clamp, the torque meter and an automatic control system are inspected. The device is advantaged in that the structure is simple, operation is convenient, the casing clamp, the power station, the torque meter and the automatic control system can be inspected randomly, and the equipment is guaranteed to be in the perfect state.