Ultrasonic flaw detection device

The utility model discloses an ultrasonic flow detection device which consists of a flaw detection head and a control part, wherein the flaw detection head is provided with a bracket, an ultrasonic emitter, an ultrasonic acquirer and an electromagnetic drop hammer; the bracket adopts an arc structure of which the section is shaped like a concave groove; the ultrasonic emitter and the electromagnetic drop hammer are respectively arranged at the bottom of the groove; the electromagnetic drop hammer consists of a hammer head and an electromagnetic driver; the ultrasonic acquirer is mounted on the side wall of the groove; an electromagnet is embedded into the upper surface of the side surface of the groove; the control part consists of a protection shell, and a power supply, recording equipment and a start and stop control circuit which are positioned in the protection shell. The ultrasonic flow detection device disclosed by the utility model is simple in structure and convenient to use, and can perform continuou