Phased array ultrasonic detection scanning device for bolts

Abstract

The utility model discloses a phased array ultrasonic detection scanning device for bolts. The phased array ultrasonic detection scanning device comprises an annular guide rail, an annular angle scale, a movable rod, a probe frame and a detection probe, the annular guide rail is fixedly connected with the annular angle scale and coincides with the circle center of the annular angle scale; the fixed knob is used for locking one end of the movable rod on the annular angle scale; one end of the movable rod is rotationally connected with the center of the annular guide rail; the probe frame is slidably connected with the movable rod; the detection probe is connected with the probe frame; a fixing structure is arranged at the lower end of the annular guide rail and used for being connected with a detected bolt. And angle scales are arranged on the annular angle scale. According to the utility model, the orientation of the detection probe 15 is in the most accurate radius direction during detection, circumferential and radial scanning can be carried out simultaneously, 100% coverage detection of the detected bolt is ensured, the device is suitable for bolts with different diameters, the application range is wide, the detection result is more accurate, and the detection efficiency is improved because unnecessary correction of scanning angles is avoided. And the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ultrasonic detection, in particular to a bolt phased array ultrasonic detection scanning device. BACKGROUND

[0002] Phased array technology can make workpiece internal information scanning imaging, can directly reflect the structure, defect etc. Because of the existence of bolt thread, the bolt internal structure is complex, and the phased array technology is used in the detection of bolt internal defects and has good detection effect. The beam deflection function of the phased array ultrasonic detection can be used without using longitudinal wave wedge when detecting the bolt end face by longitudinal wave. Compared with the traditional A type ultrasonic display, the phased array ultrasonic detection fan scanning is more intuitive, and the accuracy of judging defects is higher.

[0003] When the phased array ultrasonic detection is used for bolt detection, the probe needs to scan around the bolt axis on the bolt end face, and the radial movement scanning is also needed for the large pipe diameter bolt, so as to detect the whole area of the bolt.

[0004] Therefore, a bolt phased array ultrasonic detection scanning device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A bolt phased array ultrasonic detection scanning device comprises a ring guide rail, a ring angle disc, a movable rod, a probe holder and a detection probe.

[0007] The ring guide rail and the ring angle disc are fixedly connected, and the center of the ring guide rail coincides with the center of the ring angle disc. A ring sliding groove is arranged between the ring guide rail and the ring angle disc. The lower end of the fixed knob is threadedly connected with one end of the movable rod, and the upper end of the fixed knob is located above the ring angle disc. The fixed knob is used for locking one end of the movable rod on the ring angle disc. One end of the movable rod is rotatably connected with the center of the ring guide rail. The probe holder is slidably connected with the movable rod. The detection probe is connected with the probe holder. A fixed structure is arranged at the lower end of the ring guide rail. An angle scale is arranged on the ring angle disc.

[0008] Preferably, the fixing structure includes three connecting rods arranged in a triangular pattern. The upper end of each connecting rod is hinged to an annular guide rail, and the lower end of each connecting rod is hinged to a strong magnetic support. The strong magnetic support is used to attach to the detection bolt.

[0009] Preferably, the bolt phased array ultrasonic testing and scanning device further includes a fixed frame, which is fixedly connected to an annular guide rail and an annular angle plate; the fixed frame is rotatably connected to one end of the movable rod.

[0010] The fixed frame and one end of the movable rod are rotatably connected via a pivot.

[0011] Furthermore, the fixed frame and one end of the movable rod are rotatably connected to the center of the circular guide rail.

[0012] Furthermore, the diameters of the annular guide rail and the annular angle plate are both larger than the diameter of the bolt being tested.

[0013] Furthermore, the detection probe is a phased array probe.

[0014] Furthermore, the detection probe is screwed to the probe holder.

[0015] Due to the adoption of the above technical solution, the technical progress achieved by this utility model compared with the prior art is as follows: the present utility model enables the detection probe 15 to be oriented in the most accurate radial direction during detection, and can perform circumferential and radial scanning to ensure 100% coverage detection of the bolt being tested. It is applicable to bolts of different diameters, has a wide range of applications, and the detection results are more accurate. Since unnecessary correction of scanning angle is avoided, the detection efficiency is also greatly improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the bolt phased array ultrasonic testing and scanning device of this utility model;

[0018] Figure 2 This is another structural schematic diagram of the bolt phased array ultrasonic testing and scanning device of this utility model.

[0019] Explanation of main component symbols

[0020] annular guide rail 11 annular angle plate 12 movable rod 13 probe holder 14 detection probe 15 fixed knob 16 annular sliding groove 110 fixed structure 20 bolt 10 to be detected connecting rod 21 strong magnetic support 22 fixed frame body 17

[0021] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present invention. The terms "first," "second," etc., in the specification, claims, and accompanying drawings of the present invention are used to distinguish different objects and not to describe a particular order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to imply non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.

[0023] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] Please see Figures 1-2 This utility model provides a bolt phased array ultrasonic testing and scanning device, which includes an annular guide rail 11, an annular angle disk 12, a movable rod 13, a probe frame 14, and a testing probe 15.

[0025] The annular guide rail 11 is fixedly connected to the annular angle disk 12, and the centers of the annular guide rail 11 and the annular angle disk 12 coincide. An annular groove 110 is provided between the annular guide rail 11 and the annular angle disk 12. The lower end of the fixed knob 16 is threadedly connected to one end of the movable rod 13, and the upper end of the fixed knob 16 is located above the annular angle disk 12. The fixed knob 16 moves through the annular groove 110. The fixed knob 16 is used to lock one end of the movable rod 13 onto the annular angle disk 12. One end of the movable rod 13 is rotatably connected to the center of the annular guide rail 11. The probe holder 14 is slidably connected to the movable rod 13. The detection probe 15 is connected to the probe holder 14. A fixing structure 20 is provided at the lower end of the annular guide rail 11, and the fixing structure 20 is used to connect with the bolt 10 being tested. An angle scale is provided on the annular angle disk 12.

[0026] In one embodiment of this utility model, the fixing structure 20 includes three connecting rods 21, which are arranged in a triangular pattern. The upper end of each connecting rod 21 is hinged to the annular guide rail 11, and the lower end of each connecting rod 21 is hinged to a strong magnetic support 22. The strong magnetic support 22 is used to attach to the detection bolt.

[0027] In one embodiment of this utility model, the bolt phased array ultrasonic testing and scanning device further includes a fixed frame 17, which is fixedly connected to the annular guide rail 11 and the annular angle disk 12 respectively; the fixed frame 17 is rotatably connected to one end of the movable rod 13.

[0028] The fixed frame 17 and one end of the movable rod 13 are rotatably connected by a pivot.

[0029] Furthermore, the fixed frame 17 and one end of the movable rod 13 are rotatably connected to the center of the annular guide rail 11.

[0030] Furthermore, the diameters of both the annular guide rail 11 and the annular angle plate 12 are larger than the diameter of the bolt being tested.

[0031] Furthermore, the detection probe 15 is a phased array probe.

[0032] Furthermore, the detection probe 15 is screwed to the probe holder 14.

[0033] In use, the annular guide rail 11 is placed above the end face of the bolt 10 to be tested. The position of the adjusting probe bracket on the movable rod 13 is adjusted so that the testing probe 15 is in complete contact with the end face of the bolt 10. Coupling agent is applied to the end face of the bolt 10. The three strong magnetic supports 22 are attached to the side wall of the bolt 10 to be tested. The height of the three strong magnetic supports 22 is adjusted to be at the same level to ensure that the annular guide rail 11 and the bolt 10 are concentric. The fixing knob 16 is adjusted to loosen one end of the movable rod 13, and the movable rod is rotated one revolution to complete the test.

[0034] When the diameter of the bolt 10 being tested is large, adjust the fixing knob 16 to fix one end of the movable rod 13, push the probe holder 14 to drive the detection probe 15 to move radially along the movable rod 13 for detection. After detecting this angle, adjust the fixing knob 16 to loosen one end of the movable rod 13, move the corresponding angle circumferentially as needed, and then adjust the fixing knob 16 to fix the movable rod 13, push the detection probe 15 to perform radial detection of the bolt 10 being tested at the corresponding angle.

[0035] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A bolt phased array ultrasonic inspection scanning device, characterized by: The device comprises a ring guide rail, a ring angle disc, a movable rod, a probe holder and a detection probe. The ring guide rail is fixedly connected with the ring angle disc, and the center of the ring guide rail coincides with the center of the ring angle disc. An annular sliding groove is arranged between the ring guide rail and the ring angle disc. The lower end of the fixed knob is threadedly connected with one end of the movable rod, and the upper end of the fixed knob is located above the ring angle disc. The fixed knob is arranged to pass through the annular sliding groove. The fixed knob is used to lock one end of the movable rod on the ring angle disc. One end of the movable rod is rotatably connected with the center of the ring guide rail. The probe holder is slidably connected with the movable rod. The detection probe is connected with the probe holder. The lower end of the ring guide rail is provided with a fixed structure, which is used to be connected with the detected bolt. The ring angle disc is provided with an angle scale.

2. The bolt phased array ultrasonic detection scanning device according to claim 1, wherein: The fixed structure comprises three connecting rods arranged in a triangular shape. The upper end of each connecting rod is hingedly connected with the ring guide rail, and the lower end of each connecting rod is hingedly connected with a strong magnetic support. The strong magnetic support is used to be adsorbed on the detected bolt.

3. The bolt phased array ultrasonic inspection scanning apparatus of claim 1, wherein: The bolt phased array ultrasonic detection scanning device further comprises a fixed frame body, which is connected with the ring guide rail and the ring angle disc.

4. The bolt phased array ultrasonic detection scanning device according to claim 3, wherein: The fixed frame body is rotatably connected with one end of the movable rod through a rotating shaft. The fixed frame body is rotatably connected with one end of the movable rod, and the rotating connection is located at the center of the ring guide rail.

5. The bolt phased array ultrasonic inspection scanning apparatus of claim 4, wherein: The diameters of the ring guide rail and the ring angle disc are greater than the diameter of the detected bolt.

6. The bolt phased array ultrasonic inspection scanning apparatus of claim 1, wherein: The detection probe is threadedly connected with the probe holder.

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