Detection device for waterproof roof

The utility model discloses a detection device for a waterproof roof, which belongs to the technical field of building waterproofing and comprises a movable base, a placement frame is fixedly mounted at the top end of the movable base, a top plate is placed on the outer side of the placement frame, and an air blowing pump and a negative pressure pump are respectively and fixedly mounted in the placement frame from top to bottom. And a display is fixedly mounted on one side of the top outer wall of the rack. A worker manually adjusts the position of the bottom frame and presses the bottom frame, then the negative pressure pump firstly works to enable the rectangular groove of the bottom frame to be in a negative pressure state, the first sealing pressing strip and the second sealing pressing strip are tightly attached to the moist roof, the bottom frame and the roof are completely sealed, and then the air blowing pump starts to work to blow the moist roof. Air is blown into a sealed space formed by the roof, t