Earthwork testing granule analysis device

The invention discloses an earthwork testing granule analysis device which comprises a plurality of measuring cylinders, a densimeter light-operated reader and a data analysis computer, wherein the densimeter light-operated reader is connected with the data analysis computer; the plurality of the measuring cylinders are all placed on a substrate; two sliding tables which mutually cross to from a right angle are arranged above the substrate; the sliding tables comprise frames with sliding tracks, servo motors, sliding blocks with clamping claws, and screw rods; the sliding blocks with the clamping claws are arranged on corresponding sliding tracks; the screw rods are arranged inside the frames with the sliding tracks; the screw rods are in threaded connection with the sliding blocks with the clamping claws; one end of each screw rod is connected with a corresponding servo motor; the sliding block with the clamping claw on the sliding table arranged at a relatively upper part, of the two sliding tables, is conn