Hoisting mechanism for high and medium pressure cylinder module

The hoisting mechanism comprises a balance beam, the two ends of the balance beam are each provided with a hoisting assembly, each hoisting assembly comprises a long-strip-shaped sliding opening formed in the balance beam, a plurality of sets of U-shaped notches are evenly formed in the bottom of each sliding opening, the balance beam is further sleeved with a rectangular frame, and the rectangular frames are connected with the U-shaped notches in a sleeved mode. Wherein a limiting rod located in one set of U-shaped notches is arranged in the opening of the rectangular frame, a hanging ring is further arranged at the bottom of the rectangular frame, a lifting sling is arranged in the hanging ring, a bolt is further arranged at the horizontal end of the bottom of the rectangular frame, and a locking block abutting against the top end face of the lifting sling is arranged at the bottom end of the bolt. A mounting seat and a fixing seat are arranged at the positions, on the two sides of the sliding opening, of t