Building material hardness detection device

The utility model discloses a building material hardness detection device which comprises a base, a sliding rail is fixedly arranged on the base, a limiting block is fixedly arranged at the end of the sliding rail, a clamping and fixing mechanism is connected to the sliding rail in a sliding mode, and the sliding rail is of a cross-shaped structure and comprises two transversely-arranged sliding ways and two longitudinally-arranged sliding ways. A sliding rail is arranged on the base, a clamping mechanism is arranged on the sliding rail, the clamping mechanism comprises a positioning piece, the clamping mechanism is fixedly connected with the sliding rail through the positioning piece, a detection mechanism is vertically arranged on the base, the detection mechanism comprises a detection arm, and a portable hardness meter is arranged on the detection arm. The building material sample to be detected is fixed, the fixing size can be adjusted, meanwhile, the angle-adjustable detection mechanism is arranged, diff