Self-compacting concrete hardness detection device and detection method thereof

The invention discloses a self-compacting concrete hardness detection device and a detection method thereof, and relates to the technical field of concrete hardness detection, the self-compacting concrete hardness detection device comprises a bottom plate, the top surface of the bottom plate is provided with a pair of first U-shaped plates, and a support box is arranged between the opposite surfaces of the pair of first U-shaped plates; a pair of second U-shaped plates is arranged above the pair of first U-shaped plates, a lower pressing box is arranged between the opposite faces of the pair of second U-shaped plates, and the bottom end of the lower pressing box is inserted in the opening of the supporting box in a sliding mode. The supporting box is connected with the lower pressing box through a connecting rod mechanism, a vertical plate is fixedly arranged on the rear side of the top face of the bottom plate, a linkage shaft is inserted into the top end of the vertical plate, and the front end of the linka