A roll formula is surveyed and is distinguished seal that is used for ultrasonic method to detect concrete constructing accessory defect

The utility model discloses a roll formula is surveyed and is distinguished seal that is used for ultrasonic method to detect concrete constructing accessory defect relates to construction project quality detection area, including seal roller, seal face, first roller, storage ink cylinder, second roller, connecting piece, handle and stamp box. The seal roller with the seal face is as an organic whole, the seal roller shell is articulated mutually in first roller and connecting piece, it overlaps in second roller and connecting piece articulatedly mutually to store up the ink cylinder, seal face with the storage ink cylinder contacts, handle end and connecting piece fixed connection, stamp box still includes ink horn and padlock, the circular side of seal roller all indicates the alignment groove. The utility model discloses simple structure, it is lightly convenient to use, solved traditional ultrasonic method measure high altitude construction dangerous and waste time and energy, problem that the error is bi