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Ultrasonic guided wave transducer support capable of moving in axial direction of cylinder, supporting device and cylinder detection method

An ultrasonic guided wave, axial movement technology, applied in the analysis of solids using sonic/ultrasonic/infrasonic waves, material analysis using sonic/ultrasonic/infrasonic waves, and measurement devices, etc., can solve the problems of low detection accuracy and resolution, and achieve The effect of improving identification ability, accurate and reliable internal defect information, and expanding defect detection distance

Pending Publication Date: 2020-12-08
哈尔滨全感科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of low detection accuracy and resolution when using ultrasonic guided wave detection technology to detect super-long-sized components in the actual engineering application process, and now provides an ultrasonic guided wave transducer that can move along the axial direction of a cylinder Device bracket, support device and cylinder detection method

Method used

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  • Ultrasonic guided wave transducer support capable of moving in axial direction of cylinder, supporting device and cylinder detection method
  • Ultrasonic guided wave transducer support capable of moving in axial direction of cylinder, supporting device and cylinder detection method
  • Ultrasonic guided wave transducer support capable of moving in axial direction of cylinder, supporting device and cylinder detection method

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specific Embodiment approach 1

[0026] Specific implementation mode one: refer to Figure 1 to Figure 3 Specifically explaining this embodiment, an ultrasonic guided wave transducer bracket that can move axially along a cylinder described in this embodiment has a main body that is a bar-shaped structure, and the end surface of the bar-shaped structure is a ring sector. The middle part of the outer ring surface of the trunk part is provided with a coil slot 4 through which both ends are penetrated along its circumferential direction, and a groove 3 is respectively opened on both sides of the coil slot 4 . The trunk part is provided with two passages 2 along its circumference, and the two passages 2 are respectively located on the outer sides of the two grooves 3 . The inner ring surface of the trunk part is provided with two sets of rollers, and the two sets of rollers are located on the outside of the two channels 2 respectively, and each roller set includes at least two rollers 1 .

[0027] Further, the ro...

specific Embodiment approach 2

[0028] Specific implementation mode two: refer to Figure 4 to Figure 8 Describe this embodiment in detail. This embodiment is a support device containing the above-mentioned ultrasonic guided wave transducer bracket that can move along the axial direction of a cylinder. The support device includes at least N ultrasonic guided wave transducers. energy device bracket, 2M connecting bars 6 and traction device 8, N is an integer greater than or equal to 2, and M is an integer greater than or equal to 1.

[0029] The connecting strip 6 can pass through the channel 2 of the ultrasonic guided wave transducer bracket, and connect N ultrasonic guided wave transducer brackets in series, so that the N ultrasonic guided wave transducer brackets and the connecting strip 6 can enclose a closed circle. The traction device 8 is connected to the end face of any ultrasonic guided wave transducer bracket in the supporting device. Specifically, the traction device 8 can be a climbing robot.

...

specific Embodiment approach 3

[0042] Specific implementation mode three: refer to Figure 9 and Figure 10 This embodiment is specifically described. This embodiment is based on the cylinder detection method of the supporting device described in the second embodiment. This embodiment includes the following steps:

[0043] Step 1. Select an ultrasonic guided wave transducer bracket that is consistent with the number of ultrasonic guided wave transducers,

[0044] Arrange all ultrasonic guided wave transducer brackets evenly along the circumferential direction of the measured cylinder 11, and the inner ring surface of the ultrasonic guided wave transducer bracket is connected to the outer circumference of the measured cylinder 11, and use the connecting strip 6 to connect all The ultrasonic guided wave transducer brackets are connected in series,

[0045] The coil 12 is wound on all the ultrasonic guided wave transducer supports at the same time, and the coil 12 is located in the coil slot 4 of the ultraso...

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Abstract

The invention discloses an ultrasonic guided wave transducer support capable of moving in the axial direction of a cylinder, a supporting device and a cylinder detection method, and relates to the technical field of nondestructive detection. The objective of the invention is to solve the problems of low detection precision and low resolution when an ultrasonic guided wave detection technology is utilized to detect an ultra-long component in an actual engineering application process. An ultrasonic guided wave transducer support capable of moving in the axial direction of a cylinder is characterized in that the end face of a main part is in an annular sector shape, a coil groove with two through ends is formed in the middle of the outer annular face of the main part in the circumferential direction, grooves are formed in the two sides of the coil groove respectively, and two channels are formed in the main part in the circumferential direction of the main part and located on the outer sides of the two grooves respectively; two roller sets are arranged on the inner ring face of the main part and located on the outer sides of the two channels respectively, and each roller set comprisesat least two rollers.

Description

technical field [0001] The invention belongs to the technical field of nondestructive testing, and in particular relates to an ultrasonic transducer. Background technique [0002] Ultrasonic guided wave is a kind of ultrasonic wave that can propagate in structural members with limited boundaries such as thin plates, pipes, and rods. Compared with ultrasonic body waves, ultrasonic guided waves can propagate over long distances and in large areas in the above structures. When encountering a small defect or damage in the structure, in addition to the part that continues to propagate, wave scattering or reflection will also occur at the defect. Therefore, the analysis of the characteristics of the above-mentioned various source waves can identify the small defects or damage of the structure. Furthermore, according to the analysis, defects can be located, quantified and even imaged. The structural damage identification method based on ultrasonic guided waves is sensitive to lo...

Claims

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Application Information

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IPC IPC(8): G01N29/04G01N29/24G01N29/265G01N29/46G01N29/44
CPCG01N29/04G01N29/2462G01N29/265G01N29/46G01N29/44G01N2291/0289G01N2291/044
Inventor 周文松
Owner 哈尔滨全感科技有限公司
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