Opening tool for locking nut of valve gland

The utility model relates to the technical field of valve gland locking nuts, and discloses a valve gland locking nut opening tool which comprises a steering knuckle, two torsion bars are rotationally connected to the bottom side of the steering knuckle, universal buckles are fixedly connected to the ends, away from the steering knuckle, of the two torsion bars, adjusting assemblies are arranged on the upper portions of the two torsion bars, and the universal buckles are fixedly connected to the two torsion bars. The adjusting assembly comprises placing grooves, the two placing grooves are formed in the upper portion of the torsion bar, and the upper sides of the inner walls of the two placing grooves are connected with holding rods through rotating shafts. According to the valve dismounting device, the problem that professional tools are insufficient in the valve dismounting operation process can be solved through mutual cooperation of the steering knuckle, the torsion bar, the universal buckle, the adjustin