Ultrasonic flaw detection device

The utility model relates to the technical field of ultrasonic flaw detection equipment. An ultrasonic flaw detection device comprises a portable ultrasonic detector and a detection probe of the portable ultrasonic detector, as well as a magnetic gauge seat and a movable bracket installed on the upper end face of the magnetic gauge seat, wherein a clamping device is installed at the free end of the movable bracket, one end of the detection probe is installed in a chute at the end part of the clamping device and is connected with an adjusting spring, a plurality of spray pipes are arranged at the periphery of the working end of the detection probe, and the spray pipes are fixedly connected with the movable bracket and are communicated with an automatic water tank. The ultrasonic flaw detection device provided by the utility model is simple in structure, convenient to adjust, quick and convenient to install and detach and capable of meeting the requirements of most working conditions and particularly the requir