Screwing tool for quick-change pilot operated safety valve nozzle

The utility model relates to a quick-change type screwing tool for a pilot operated safety valve nozzle, which comprises a locking piece, a first connecting part and a second connecting part, and the first connecting part is mounted on the second connecting part; one or more through holes are formed in the second connecting part; the second connecting part is buckled above the semicircular ring tool, and the fastener penetrates through the through hole and abuts against the outer wall of the integrated induction nozzle; the group of semicircular ring tools tightly hold the outer wall of the integrated induction nozzle; and the hydraulic torque wrench is buckled on the first connecting part, the hydraulic torque wrench is rotated to fasten the first connecting part, the first connecting part drives the second connecting part, and the integrated induction nozzle can be screwed. The utility model solves the problem that the integrated induction nozzle cannot be tightened due to the thin outer circle wall. 本实用新型涉