Phased array ultrasonic detection device for pipeline cracks

Abstract

The utility model discloses a phased array ultrasonic detection device for pipeline cracks. The phased array ultrasonic detection device comprises a moving structure and a detection structure, the moving structure comprises two rails and a connecting plate, and the two rails are parallel to each other; two ends of the connecting plate are fixedly connected with the two rails respectively; a guide rail groove is formed in each guide rail along a straight line; the detection structure comprises a detection frame body, two roller groups, an encoder and an ultrasonic probe; the two roller groups are symmetrically and rotatably arranged on the left side and the right side of the detection frame body, and each roller group is accommodated in one guide rail groove; the encoder is arranged on the detection frame body, and a code wheel of the encoder is in contact with the surface of one track; an ultrasonic probe is arranged at the front end of the detection frame and located between the two rails. When the pipeline crack detection device is used for detecting the pipeline crack, the ultrasonic probe linearly moves on the pipeline along the guide rail groove and does not swing greatly, so that the detection result is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of pipeline detection, in particular to a pipeline crack phased array ultrasonic detection device. Background Art

[0002] The basic idea of ​​phased ultrasonic testing comes from radar electromagnetic wave phased array technology. Phased array radar is composed of many radiating units arranged in an array. By controlling the amplitude and phase of each unit in the array antenna, the radiation direction of the electromagnetic wave is adjusted to synthesize a flexible and fast focused scanning radar beam within a certain spatial range. The detection principle of the phased ultrasonic testing device is basically the same.

[0003] In the implementation, it is necessary to perform ultrasonic testing on the pipeline to understand whether there are crack defects in the pipeline. There are at least the following problems in the detection process: when the existing phased array ultrasonic detection device detects pipeline cracks, it needs to be driven to move along the axial direction of the pipeline, and the forward direction of the device can only be controlled manually, which is prone to large swings, thereby affecting the detection results.

[0004] Therefore, a pipeline crack phased array ultrasonic detection device is needed to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A pipeline crack phased array ultrasonic detection device comprises a moving structure and a detection structure;

[0007] The moving structure includes two rails and a connecting plate. The two rails are parallel to each other. The two ends of the connecting plate are fixedly connected to the two rails respectively. Each rail is provided with a rail groove along a straight line.

[0008] The detection structure includes a detection frame, two roller groups, an encoder and an ultrasonic probe; the two roller groups are symmetrically and rotatably arranged on the left and right sides of the detection frame, and each roller group is accommodated in a guide rail groove; the encoder is arranged on the detection frame, and the encoder wheel is in contact with the surface of one of the tracks; an ultrasonic probe is arranged at the front end of the detection frame, and the ultrasonic probe is located between the two tracks.

[0009] Furthermore, a clamp is provided below the connecting plate, and the clamp is used to clamp the pipeline to be tested to prevent the track from being displaced when the detection frame is pushed to move along the track.

[0010] Furthermore, the track is made of magnetic material, and the track can be adsorbed on a pipe that can be attracted by a magnet.

[0011] Furthermore, a push rod portion is fixedly arranged at the rear end of the detection frame, and the push rod portion is hinged to one end of the push rod.

[0012] Furthermore, a mounting frame is fixedly arranged at the front end of the detection frame, a mounting groove is arranged on the mounting frame, and the ultrasonic probe is snap-connected with the mounting groove.

[0013] Furthermore, each roller group includes two rollers, and the four rollers are arranged on the detection frame in a rectangular distribution.

[0014] Furthermore, the roller is made of rubber.

[0015] Furthermore, a clamping groove is provided on the detection frame, and the encoder is clamped with the clamping groove, and the code wheel of the encoder contacts the track surface after passing through the clamping groove.

[0016] Furthermore, a handle is provided at one end of the push rod to facilitate the user to hold it.

[0017] Due to the adoption of the above technical solution, the utility model has achieved technical progress compared with the prior art: when the utility model detects pipeline cracks, the ultrasonic probe moves linearly on the pipeline along the guide groove without large swings, thereby ensuring the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a pipeline crack phased array ultrasonic detection device of the utility model;

[0020] Figure 2 It is another schematic diagram of a pipeline crack phased array ultrasonic detection device of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a pipeline crack phased array ultrasonic detection device of the utility model;

[0022] Main component symbols

[0023] Track 11 Connecting plate 12 Guide rail groove 13 Detection frame 21 Roller set 22 Encoder 23 Code wheel 24 Ultrasound probe 25 Fixture 121 Roller 221 Push rod 211 Push rod 212 Installation frame 213 Mounting slot 214 Card slot 210 Grip 230

[0024] The following specific implementation will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0025] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0026] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0027] See also Figure 1-3 , the embodiment of the utility model provides a pipeline crack phased array ultrasonic detection device, including a moving structure and a detection structure;

[0028] The moving structure includes two rails 11 and a connecting plate 12. The two rails 11 are parallel to each other. The two ends of the connecting plate 12 are fixedly connected to the two rails 11. Each rail is provided with a rail groove 13 along a straight line.

[0029] The detection structure includes a detection frame 21, two roller groups 22, an encoder 23 and an ultrasonic probe 25; the two roller groups 22 are symmetrically and rotatably arranged on the left and right sides of the detection frame 21, and each roller group 22 is accommodated in a guide rail groove 13; the encoder 23 is arranged on the detection frame 21, and the code wheel 24 of the encoder 23 contacts the surface of one of the tracks 11; an ultrasonic probe 25 is arranged at the front end of the detection frame 21, and the ultrasonic probe 25 is located between the two tracks 11.

[0030] Furthermore, a clamp 121 is provided below the connecting plate 12 , and the clamp 121 is used to clamp the pipeline to be tested to prevent the track 11 from being displaced when the detection frame 21 is pushed to move along the track.

[0031] Furthermore, the track 11 is made of magnetic material, and the track 11 can be adsorbed on a pipe that can be attracted by a magnet.

[0032] Furthermore, a push rod portion 211 is fixedly provided at the rear end of the detection frame 21 , and the push rod portion 211 is hinged to one end of a push rod 212 .

[0033] Furthermore, a mounting frame 213 is fixedly disposed at the front end of the detection frame 21 . A mounting groove 214 is disposed on the mounting frame 213 . The ultrasonic probe 25 is snap-connected with the mounting groove 214 .

[0034] Furthermore, each roller set 22 includes two rollers 221 , and the four rollers 221 are arranged on the detection frame 21 in a rectangular distribution.

[0035] Furthermore, the roller 221 is made of rubber.

[0036] Furthermore, a clamping groove 210 is provided on the detection frame 21 , and the encoder 23 is clamped with the clamping groove 210 . The code wheel 24 of the encoder 23 contacts the surface of the track 11 after passing through the clamping groove 210 .

[0037] Furthermore, a handle 230 is provided at one end of the push rod 212 to facilitate the user to hold it.

[0038] When the utility model is used, the track 11 is prevented from being placed on the pipeline to be tested, the pipeline is clamped by the clamp 121, and the track 11 is fixed on the pipeline to be tested. The user drives the roller 221 to move linearly in the corresponding guide groove 13 by pushing the push rod 212, and the code wheel 24 of the encoder 23 rolls along the corresponding track. The encoder can obtain the distance moved by the current ultrasonic probe 25, so as to locate the position detected by the ultrasonic probe 25. The ultrasonic probe 25 moves linearly on the pipeline along the guide groove 13 without swinging significantly, thereby ensuring the accuracy of the detection result.

[0039] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A pipeline crack phased array ultrasonic detection device, characterized in that: It includes a moving structure and a detection structure; The moving structure includes two rails and a connecting plate. The two rails are parallel to each other. The two ends of the connecting plate are fixedly connected to the two rails respectively. Each rail is provided with a rail groove along a straight line. The detection structure includes a detection frame, two roller groups, an encoder and an ultrasonic probe; the two roller groups are symmetrically and rotatably arranged on the left and right sides of the detection frame, and each roller group is accommodated in a guide rail groove; the encoder is arranged on the detection frame, and the encoder wheel is in contact with the surface of one of the tracks; an ultrasonic probe is arranged at the front end of the detection frame, and the ultrasonic probe is located between the two tracks.

2. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: A clamp is provided below the connecting plate, and the clamp is used to clamp the pipeline to be tested to prevent the track from being displaced when the detection frame is pushed to move along the track.

3. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: The track is made of magnetic material, which allows the track to be attached to pipes that are attracted to magnets.

4. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: A push rod portion is fixedly arranged at the rear end of the detection frame, and the push rod portion is hinged to one end of the push rod.

5. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: A mounting frame is fixedly arranged at the front end of the detection frame, a mounting groove is arranged on the mounting frame, and the ultrasonic probe is clamped and arranged in the mounting groove.

6. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: Each roller group includes two rollers, and the four rollers are arranged on the detection frame in a rectangular distribution.

7. The pipeline crack phased array ultrasonic detection device according to claim 1, characterized in that: A clamping groove is arranged on the detection frame, the encoder is clamped with the clamping groove, and the code wheel of the encoder contacts the track surface after passing through the clamping groove.

8. The pipeline crack phased array ultrasonic detection device according to claim 4, characterized in that: A handle is arranged at one end of the push rod.

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