Pneumatic wrench assembly

The pneumatic wrench assembly comprises a pneumatic wrench, a sliding rod, a plurality of reducing sleeves and an adapter, the adapter comprises an upper screwdriver head, a supporting body and a lower screwdriver head, the upper screwdriver head, the supporting body and the lower screwdriver head are fixedly connected in sequence, and the central axes of the upper screwdriver head, the supporting body and the lower screwdriver head are located on the same straight line. The pneumatic wrench comprises a wrench square head, the pneumatic wrench drives the wrench square head to rotate, the upper portion of the reducing sleeve is matched with the wrench square head, the lower portion of the reducing sleeve is matched with the upper bit of the corresponding adapter, and a sliding rod hole matched with the sliding rod is formed in the middle of the supporting body. The axial direction of the sliding rod hole is perpendicular to the axial direction of the supporting body. The bolt assembling and disassembling tool