The invention relates to a self-coupling ultrasonic detection probe device. The device comprises a supporting component and a rolling component, wherein the supporting component comprises a support, a water tank, a hollow shaft and nuts, the water tank is installed above the support, the hollow shaft penetrates through the lower end of the support, and two ends of the hollow shaft are fastened through the nuts; the rolling component comprises a probe, two sealing bearings, round plates and a rubber membrane, the probe is installed on the hollow shaft and located between the two sealing bearings, the sealing bearings are embedded in circle centers of the round plates and installed on the hollow shaft, a position between the two round plates is coated with the rubber membrane, a sealed space is formed between the two round plates, and the probe is connected with an ultrasonic detector through a lead. The self-coupling ultrasonic detection probe device is simple in structure, convenient to operate and high in detection efficiency.

Self-coupling ultrasonic detection probe device

The utility model relates to an automatic water feeding coupling device adopting TOFD (Time Of Flight Diffraction) and ultrasonic detection in industrial metal nondestructive examination. The device is provided with a water tank, wherein a water inlet is formed in the upper end of the water tank, a water outlet is formed in the lower end of the water tank, a pressure meter, a pressure switch and an exhaust valve are arranged at the upper part of the water tank, the water tank is fixedly arranged on a trolley which is provided with a charging power supply and a pressurizing pump, and the pressurizing pump is connected with the water tank through the pressure switch to pressurize water in the water tank through the 12V charging power supply. The device provided by the utility model is suitable for various detection occasions, particularly places which lacks power supplies and are far from water sources. The device can automatically feed water at a constant pressure and realizes automatic control of TOFD and ultrasonic water coupling, so that the work efficiency is greatly improved and the quantity of workers is reduced.

Xuan Shuai

Papers

Automatic water feeding coupling device adopting TOFD (Time Of Flight Diffraction) and ultrasonic detection