Special-purpose dismounting tool for CY mechanism closed primary valve

The utility model discloses a special-purpose dismounting tool for a CY mechanism closed primary valve, comprising a T-shaped upper wrench. The lower end of an upper wrench main rod is provided with a transverse baffle plate with two ends extending out. Two sides of the transverse baffle plate are respectively provided with a clamping groove. A screwed hole is disposed at the clamping groove and at a screwed hole corresponding portion of the CY mechanism closed primary valve, and a bolt is disposed in the screwed hole. The special-purpose dismounting tool for a CY mechanism closed primary valve is advantageous in that with the arrangement of the T-shaped upper wrench, force application is facilitated and control of construction workers on the apparatus can be facilitated; the lower end of an upper wrench main rod is provided with the transverse baffle plate having a clamping groove, and the screwed hole is disposed at the clamping groove and at a screwed hole corresponding portion of the CY mechanism closed p