Gripper device of stacker crane

The utility model discloses a stacker crane gripper device which comprises a main beam and two main shafts, two cross beams are installed on the main beam and the two main shafts in a sliding mode, mounted bearings are arranged on the two sides of the two cross beams through base plates, a plurality of installation plates are arranged on the main beam, thin air cylinders are arranged on the installation plates, linear bearings are arranged on the two sides of the installation plates, and the thin air cylinders are arranged on the linear bearings. The bottoms of the linear bearings are sleeved with first connecting rods. Through cooperative use of the main beam, the cross beam, the clamping arms, the first connecting rods, the second connecting rods, the shaft pins, the joint shafts, the clamping blocks and the grabbing hooks, the clamping force of the clamping arms can be higher, larger torque is provided for the clamping arms, the rotating capacity of the second connecting rods and the first connecting rods