Highway subgrade pavement material intelligent testing system

The invention discloses a highway subgrade pavement material intelligent testing system. The system comprises a laser printer, control buttons, an upper box body, a lower box body, a computer, a fixing plate, a supporting column, a rubber mat, a machine frame, a pressure sensor, a loading servo motor, a cross beam, a force applying device, a second connection rod and a PLC (programmable logic controller); the lower box body is connected with the upper box body through clamping columns, the clamping columns are correspondingly welded and fixed to the two ends of the bottom of the upper box body, one ends of the clamping columns are provided with second through holes, the control buttons are evenly installed on one side of the upper box body, the two sides of the upper box body are correspondingly provided with heat dissipation openings, a dehumidifying mechanism is fixed to the center of the top of the upper box body through a bolt, and the laser printer is arranged at one end of the top of the upper box body.