Testing device for fire hydrant

The invention provides a testing device for a fire hydrant, and the device comprises a base which is provided with a first connection structure connected with the bottom end of the fire hydrant and a second connection structure connected with a hydrant opening of the fire hydrant. The pressurizing structure communicates with the first connecting structure; the pressurizing structure communicates with a water inlet structure and a water outlet structure; the water tank is communicated with the second connecting structure, the water inlet structure and the water outlet structure; a water pressure sensor; a flow sensor; and a matched controller. According to the testing device for the fire hydrant, the first connecting structure and the second connecting structure are arranged on the base, and it can be guaranteed that a flange at the bottom end of the to-be-tested fire hydrant and a hydrant opening in the top of the to-be-tested fire hydrant are detachably connected. The water pressure sealing test can be compl