The invention discloses a scanning device applied to ultrasonic detection of pipeline-flange angle welding seams. The scanning device comprises a main framework, a scanning mechanism mounted on the main framework and a roller mechanism connected with the main framework, wherein the main framework is formed by connecting two pairs of guide rods with different lengths by virtue of a corner bracket and a right-angle bracket; the roller mechanism is mounted at the end of the right-angle bracket; a sliding scanning mechanism is mounted on each guide rod; long guide rods stretch into a pipeline, so that the scanning mechanisms mounted on the long guide rods are capable of detecting angle welding seams from the inner wall of the pipeline; short guide rods are arranged on the external surface of a flange plate, so that the scanning mechanisms mounted on the short guide rods are capable of detecting the angle welding seams from the surface of the flange. According to the device, ultrasonic probes are simultaneously arranged on the inner wall of the pipeline and the surface of the flange, so that the device is capable of carrying out ultrasonic detection on defects in the pipeline-flange angle welding seams on the inner wall of the pipeline and the surface of the flange; a novel implementation tool is provided for ultrasonic detection of the defects in the pipeline-flange angle welding seams.

Scanning device applied to ultrasonic detection of pipeline-flange angle welding seams

The invention discloses a device for dynamically measuring X-ray film density, and belong to the field of industrial X-ray film density measurement. The device overcomes the shortcomings that a traditional density measuring device is mainly used for single-point measurement and not applicable to density detection of large-scale films, and measurement processes are complicated. Illumination is collected based on multi-sensors, an ingenious structure is designed, multi-area, high-accuracy and high-speed dynamic measurement of a film density value is achieved by an automatic nondestructive transmission principle of a belt and signal processing of high-performance chips, rapid quality judgment of the large-scale films required by industrial film review occasions can be met, so that smooth implementing of subsequent processing of the films is ensured, and film processing efficiency is improved.

Device for dynamically measuring X-ray film density

The invention discloses an intelligent detection device for identifying track fasteners. The detection device is characterized in that the detection device is arranged on a carrier, moving in the samedirection with a track, of the track, and the detection device comprises a slide rail, a slide block, a fixing part, an ultrasonic probe and a circuit board, wherein the slide rail is fixedly mountedon the carrier, the mounting direction of the slide rail is perpendicular to the track, the slide block moves on the slide rail, and the fixing part is used for locking the positions of the slide rail and the slide block; and the ultrasonic probe is connected with the circuit board, and is arranged vertically downwards, and the ultrasonic probe and the circuit board are fixed on the slide block.The detection device adopts a microcontroller to perform intelligent processing, and provides a self-learning interface for the field according to the onsite use situation; and the detection distancerange is wide, and the detection device can be hidden in the carrier to avoid damages of onsite barriers to the detection device.

Intelligent detection device for identifying track fasteners, and method thereof

Disclosed in the invention is an ultrasonic-wave automatic coupling probe combination apparatus comprising a base plate and a main coupling head. A mounting plate is arranged on the surface of the base plate; an annular sliding rail is arranged on the surface of the mounting plate; a cross-shaped sliding rail is arranged on the surface of the mounting plate inside the annular sliding rail; and a cross-shaped tail end of the cross-shaped sliding rail is connected with the annular sliding rail and the annular sliding rail and the cross-shaped sliding rail form a sliding rail group. The main coupling head is connected to the sliding rail group in a sliding mode by a sliding block. According to the ultrasonic-wave automatic coupling probe combination apparatus, the annular sliding rail and the cross-shaped sliding rail form the sliding rail group and the main coupling head is connected to the sliding rail group in a sliding mode, so that the main coupling head can move randomly on the surface of the sliding rail group and thus an ultrasonic probe position can be adjusted conveniently. With a locking nut, the ultrasonic probe is installed, so that the installation of the ultrasonic probe becomes convenient. A sliding groove is formed in the side surface of the base plate and an auxiliary coupling head is connected in the sliding groove in a sliding mode; and random position changing can be realized and the coupling effect is good.

Ultrasonic-wave automatic coupling probe combination apparatus

The utility model belongs to a nondestructive TOFD (time-of-flight diffraction) detection device and particularly relates to a TOFD (time-of-flight diffraction) ultrasonic detection scanning rack. The scanning rack comprises a main scanning rack body, a probe component, a roller component, an encoder component, a circular ring embedded on the main scanning rack body, and a straight rod arranged on the circular ring. One end surface of the circular ring is provided with a T-shaped groove I and angle scales. Connecting rods and the straight rod forming the main scanning rack body are respectively provided with two T-shaped grooves II of which openings are back to each other; and each T-shaped groove II is internally provided with a slider II which is provided with a threaded hole. The straight rod is provided with connecting holes in the direction perpendicular to the T-shaped grooves II; the center distance of the two connecting holes is equal to the central diameter of the T-shaped groove I in the circular ring; and the straight rod is connected with a slider I through a screw. The probe component, the roller component and the encoder component are connected with the sliders II through screws. The scanning rack is simple and reasonable in structure design and can be used for not only singly but also simultaneously carrying out parallel scanning and oblique scanning. Due to the adoption of a modularized structure in the scanning rack, spare parts can be conveniently disassembled and replaced.

TOFD (time-of-flight diffraction) ultrasonic detection scanning rack

The utility model discloses a diffraction time difference method ultrasonic testing slide rail formula scanner frame, including scanner frame main part, slide rail, slide rail subassembly, probe subassembly, handlebar assembly, encoder subassembly. Be equipped with open -ended dovetail groove dorsad on the connecting rod of constitution scanner frame main part, the inslot is equipped with the slider in threaded hole. Probe subassembly, slide rail subassembly and encoder subassembly are fixed through screw and slider connection. The utility model relates to an it is simple equitable, can carry out the single channel to the more glossy object in surface, the binary channels is swept and is looked into. The utility model discloses a modular structure, dismouting, change spare part make things convenient for, save time.

Diffraction time difference method ultrasonic testing slide rail formula scanner frame

The utility model provides an industrial radiograph scanner, includes the base, the long limit inboard middle part of base is equipped with spring buckle device, the base top is equipped with the LED cold light source, LED cold light source top is equipped with the film tray, the long limit inboard middle part of film tray is equipped with trapezoidal recess, trapezoidal recess and spring buckle device looks adaptation, be equipped with fixed pelleting press above the film tray, be equipped with the area array camera directly over the fixed pelleting press, the area array camera passes through the data line and links to each other with the computer, area array camera, film tray, LED cold light source, fixed pelleting press all make up at plastics machine incasement, the base constitutes quick -witted bottom of the case face. The utility model discloses take to replace complicated automatics and neotype structural arrangement with simple and convenient mechanical component, effective lowering apparatus weight improves operating efficiency, overcomes the defect that the existing product heaviness was carried inconveniently, automatics operating efficiency is low.

Zhang Liming

Papers

TOFD (time-of-flight diffraction) ultrasonic detection scanning rack

Diffraction time difference method ultrasonic testing slide rail formula scanner frame

Industrial radiograph scanner