CN212207210U - Acoustic emission on-line detection auxiliary device - Google Patents
Acoustic emission on-line detection auxiliary device Download PDFInfo
- Publication number
- CN212207210U CN212207210U CN202020610421.7U CN202020610421U CN212207210U CN 212207210 U CN212207210 U CN 212207210U CN 202020610421 U CN202020610421 U CN 202020610421U CN 212207210 U CN212207210 U CN 212207210U
- Authority
- CN
- China
- Prior art keywords
- acoustic emission
- frame
- auxiliary device
- magnetic element
- elastic element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses an acoustic emission online detection auxiliary device, which comprises a frame; the magnetic element is connected to the lower end of the frame and is used for contacting with a detection object; the wave guide rod is movably arranged on the frame and the magnetic element in a penetrating mode, one end of the wave guide rod is connected with the acoustic emission sensor, and the other end of the wave guide rod is provided with a sound wave collecting sucker. The auxiliary device is provided with a magnetic element, and can be directly adsorbed on the surface of a detection object through the magnetic element. And moreover, the sound wave is amplified, transmitted and guided out through the sound wave collecting sucker and the wave guide rod. Meanwhile, the temperature transmitted by the detection object is gradually reduced in the waveguide rod, the waveguide rod with proper length is selected, the sensor can be prevented from being burnt out, and the normal-temperature acoustic emission sensor can be used for detecting high-temperature objects.
Description
Technical Field
The utility model belongs to the technical field of the detection technique and specifically relates to an acoustic emission on-line measuring auxiliary device is related to.
Background
The principle of acoustic emission detection is as follows: the sound emission source generates certain elastic waves, the elastic waves are transmitted to the surface of the material, the surface displacement is detected by the sound emission sensor, mechanical vibration signals are converted into electric signals, the electric signals are amplified by the amplifier and are acquired and processed, finally, information is recorded and displayed, people determine the position and the property of the sound emission source according to the observed sound emission signals, the time or the load of the sound emission is deduced, the severity of the sound emission source is evaluated, and the safety condition of the whole equipment is further evaluated.
In the process of online operation or pressure test of large-scale pressure equipment, a plurality of or dozens of sensors with higher sensitivity are arranged on the outer wall of a container to apply certain pressure to the container, and the defects in the material can be judged through received acoustic emission signals, because acoustic emission signals with different intensities are released in the processes of crack initiation and propagation, material yield and plastic deformation and material fracture, and the signals are further analyzed and processed, so that the defects in the material can be found, and the positions and the hazard degrees of the defects can be found.
Conventionally, an acoustic emission sensor is directly fixed to an inspection object. If the detection object is high-temperature equipment, the surface temperature is high, the acoustic emission sensor is directly coupled, and the sensor is not high-temperature resistant and is easy to burn out. If the detection object is low-temperature equipment, the surface temperature is lower than 0 ℃, the surface is easy to freeze, and the sensor cannot be coupled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an acoustic emission on-line measuring auxiliary device, its detection object that can adapt to different temperatures, auxiliary sensor installs on detection object, accomplishes and detects.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
an acoustic emission online detection auxiliary device comprises a frame; the magnetic element is connected to the lower end of the frame and is used for contacting with a detection object; the wave guide rod is movably arranged on the frame and the magnetic element in a penetrating mode, one end of the wave guide rod is connected with the acoustic emission sensor, and the other end of the wave guide rod is provided with a sound wave collecting sucker.
The acoustic emission online detection auxiliary device at least has the following beneficial effects: the auxiliary device is provided with a magnetic element, and can be directly adsorbed on the surface of a detection object through the magnetic element. And moreover, the sound wave is amplified, transmitted and guided out through the sound wave collecting sucker and the wave guide rod. Meanwhile, the temperature transmitted by the detection object is gradually reduced in the waveguide rod, the waveguide rod with proper length is selected, the sensor can be prevented from being burnt out, and the normal-temperature acoustic emission sensor can be used for detecting high-temperature objects.
The utility model discloses an acoustic emission on-line measuring auxiliary device of first aspect, still include reset assembly, reset assembly include spacing retaining ring, with the waveguide pole is connected, and be located in the frame; and one end of the elastic element is connected with the limiting check ring, the other end of the elastic element is connected with the frame, and the telescopic direction of the elastic element is the same as the extending direction of the waveguide rod.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device of first aspect, magnetic element includes the fixed part, with the frame lower extreme is connected; and a contact part arranged at the edge of the fixed part and contacted with the detection object.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device, the fixed part is discoid, the contact site is cylindricly, the sucking disc is gathered to the sound wave is located in the contact site.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device of first aspect, the frame includes the upper plate, with waveguide pole swing joint; and the side plate is arranged on one side of the upper plate and is connected with the magnetic element.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device of first aspect, elastic element with upper plate lower extreme fixed connection.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device, elastic element is the spring, elastic element movable sleeve is established on the wave guide pole.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the acoustic emission online detection auxiliary device in the present embodiment includes a frame 10, a magnetic element 20, a waveguide rod 30, and a sound wave collecting chuck 40. This auxiliary device passes through magnetic element can direct absorption on the detection object surface, gathers sucking disc and wave guide pole through the sound wave, enlarges, transmits, derives the sound wave. It should be noted that all the orientations of "upper" and "lower" mentioned herein are based on fig. 1, and the orientation coordination relationship among the technical features is not represented by the specific orientation in practical use. When in actual use, the utility model can be adjusted according to the requirement.
The frame 10 is a supporting member of the whole device, and provides support for mounting the magnetic element 20, the waveguide rod 30, the sound wave collecting chuck 40 and other components. A magnetic element 20 is attached to the lower end of the frame 10, the magnetic element 20 preferably being a magnet. The detection object is a metal container, and the magnetic element 20 is in contact with the detection object and is adsorbed on the surface of the detection object.
Meanwhile, the waveguide rod 30 is movably disposed through the frame 10 and the magnetic element 20, that is, the waveguide rod 30 can move up and down relative to the frame 10 and the magnetic element 20.
One end of the waveguide rod 30 is connected with the acoustic emission sensor 1, and the other end of the waveguide rod 30 is provided with a sound wave collecting sucker 40. The acoustic emission sensor 1 is used for detecting a detection object, and the specification of the acoustic emission sensor 1 can be selected according to actual requirements. With the aid of this auxiliary device, the acoustic emission sensor 1 can be of the normal temperature type, but can also be of the high temperature resistant type. The sound wave collecting sucker 40 is used for collecting and expanding sound waves, and the sound wave collecting sucker 40 is attached to a detection object.
This auxiliary device passes through magnetic element 20 can direct absorption on the testing object surface for the laminating of sucking disc 40 is gathered to the sound wave on the testing object. And the sound wave is amplified, transmitted and guided out through the sound wave collecting suction cup 40 and the waveguide rod 30. Meanwhile, the temperature transmitted by the detection object is gradually reduced in the waveguide rod 30, and the waveguide rod 30 with a proper length is selected, so that the acoustic emission sensor 1 can be prevented from being burnt out, and the normal-temperature acoustic emission sensor can be used for detecting high-temperature objects.
Referring to fig. 1, the acoustic emission online detection auxiliary device according to one embodiment of the present invention further includes a reset assembly 50, where the reset assembly 50 includes a limit retainer ring 51 and an elastic element 52. Wherein the position limiting stopper 51 is connected to the waveguide rod 30, and the position limiting stopper 51 is located in the frame 10. One end of the elastic element 52 is connected to the limit stopper 51, the other end of the elastic element 52 is connected to the frame 10, and the expansion and contraction direction of the elastic element 52 is the same as the extension direction of the waveguide rod 30.
When the sound wave collecting suction cup 40 is attached to the surface of the object to be detected, the sound wave collecting suction cup 40 may move upward or downward due to the surface structure of the object to be detected or other factors, and drives the waveguide rod 30 to slide up and down.
The resilient member 52 is always in compression, thus driving the waveguide rod 30 downward. Ensure that the sound wave collecting suction cup 40 can be completely attached to the surface of the detection object, and the whole device has a resetting function.
According to one embodiment of the present invention, the magnetic element 20 includes a fixing portion 21 and a contact portion 22. Wherein, the fixing portion 21 is connected with the lower end of the frame 10. The contact portion 22 is provided at the edge of the fixing portion 21. The contact portion 22 is in contact with the detection object. Further, the fixing portion 21 has a disk shape, the contact portion 22 has a cylindrical shape, and the sound wave collecting suction cup 40 is located in the contact portion 22.
According to the utility model discloses an acoustic emission on-line measuring auxiliary device of one of them embodiment, frame 10 includes upper plate 11 and curb plate 12. Wherein, the upper plate 11 is movably connected with the waveguide rod 30. The side plate 12 is provided on the upper plate 11 side, and the side plate 12 is connected to the magnetic member 20. Further, the elastic member 52 is fixedly coupled to the lower end of the upper plate 11.
According to the utility model discloses a sound emission on-line measuring auxiliary device of one of them embodiment, elastic element 52 is the spring, and elastic element 52 activity cover is established on wave guide pole 30.
This auxiliary device mainly used detects technical field, and it can directly adsorb on the detection object surface through magnetic element 20 for the sound wave gathers sucking disc 40 laminating on the detection object. And the sound wave is amplified, transmitted and guided out through the sound wave collecting suction cup 40 and the waveguide rod 30. Meanwhile, the temperature transmitted by the detection object is gradually reduced in the waveguide rod 30, and the waveguide rod 30 with a proper length is selected, so that the acoustic emission sensor 1 can be prevented from being burnt out, and the normal-temperature acoustic emission sensor can be used for detecting high-temperature objects.
The above embodiments are further illustrative of the above aspects of the present invention, but it should not be understood that the scope of the above subject matter is limited to the above embodiments, and all the technologies realized based on the above aspects belong to the scope of the present invention.
Claims (7)
1. An acoustic emission on-line measuring auxiliary device which characterized in that: comprises that
A frame;
the magnetic element is connected to the lower end of the frame and is used for contacting with a detection object;
the wave guide rod is movably arranged on the frame and the magnetic element in a penetrating mode, one end of the wave guide rod is connected with the acoustic emission sensor, and the other end of the wave guide rod is provided with a sound wave collecting sucker.
2. The acoustic emission online inspection auxiliary device according to claim 1, wherein: also comprises a reset component which comprises
The limiting retainer ring is connected with the waveguide rod and is positioned in the frame;
and one end of the elastic element is connected with the limiting check ring, the other end of the elastic element is connected with the frame, and the telescopic direction of the elastic element is the same as the extending direction of the waveguide rod.
3. The acoustic emission online inspection auxiliary device according to claim 1, wherein: the magnetic element comprises
The fixing part is connected with the lower end of the frame;
and a contact part arranged at the edge of the fixed part and contacted with the detection object.
4. The acoustic emission online inspection auxiliary device according to claim 3, wherein: the fixed part is discoid, the contact site is cylindricly, the sound wave is gathered the sucking disc and is located the contact site.
5. The acoustic emission online inspection auxiliary device according to claim 2, wherein: the frame comprises
The upper plate is movably connected with the waveguide rod;
and the side plate is arranged on one side of the upper plate and is connected with the magnetic element.
6. The acoustic emission online inspection assisting device according to claim 5, wherein: the elastic element is fixedly connected with the lower end of the upper plate.
7. The acoustic emission online inspection assisting device according to claim 6, wherein: the elastic element is a spring, and the elastic element is movably sleeved on the waveguide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610421.7U CN212207210U (en) | 2020-04-21 | 2020-04-21 | Acoustic emission on-line detection auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610421.7U CN212207210U (en) | 2020-04-21 | 2020-04-21 | Acoustic emission on-line detection auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207210U true CN212207210U (en) | 2020-12-22 |
Family
ID=73826150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020610421.7U Active CN212207210U (en) | 2020-04-21 | 2020-04-21 | Acoustic emission on-line detection auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371219A (en) * | 2021-12-27 | 2022-04-19 | 桂林理工大学 | Adapter of replaceable irregular surface acoustic emission sensor |
| CN114755308A (en) * | 2022-04-08 | 2022-07-15 | 新疆维吾尔自治区特种设备检验研究院 | Directional detection device for high-temperature equipment based on waveguide rod heat insulation |
| CN115629134A (en) * | 2022-10-24 | 2023-01-20 | 哈尔滨工业大学 | Acoustic emission testing device |
-
2020
- 2020-04-21 CN CN202020610421.7U patent/CN212207210U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371219A (en) * | 2021-12-27 | 2022-04-19 | 桂林理工大学 | Adapter of replaceable irregular surface acoustic emission sensor |
| CN114755308A (en) * | 2022-04-08 | 2022-07-15 | 新疆维吾尔自治区特种设备检验研究院 | Directional detection device for high-temperature equipment based on waveguide rod heat insulation |
| CN115629134A (en) * | 2022-10-24 | 2023-01-20 | 哈尔滨工业大学 | Acoustic emission testing device |
| CN115629134B (en) * | 2022-10-24 | 2023-04-28 | 哈尔滨工业大学 | Acoustic emission testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212207210U (en) | Acoustic emission on-line detection auxiliary device | |
| CN203720150U (en) | Device for detecting bulging defects on outer wall face of building | |
| WO2020232630A1 (en) | Adjustable contact force type ultrasonic guided wave damage detection system | |
| CN108362421B (en) | Stress monitoring device for floating plate vibration isolator | |
| CN103336266A (en) | Portable transformer substation noise imaging positioning detection device | |
| CN112595583A (en) | Device for detecting hardness of material | |
| CN202305004U (en) | Device for detecting inherent frequency of workpiece | |
| CN210005512U (en) | nondestructive testing device for high-temperature pipeline flaw detection | |
| CN204066342U (en) | A kind of landslide monitoring apparatus | |
| CN206930624U (en) | Nonmetal ultrasonic detector | |
| CN203567751U (en) | Safety monitoring device for mine railway | |
| CN215116630U (en) | Circuit board performance detection device | |
| CN209482376U (en) | A kind of building pile foundation detection device based on vibration responding | |
| CN111579950A (en) | Ultrasonic partial discharge diagnostic system | |
| CN216433985U (en) | Device for ultrasonically detecting integrity of pile body of concrete foundation pile | |
| CN219572981U (en) | Assembled building brick face butt joint face grouting thickness detector | |
| CN217520999U (en) | Tunnel top fracture safety inspection device | |
| CN212321521U (en) | Multi-dimensional detection structure applied to ultrasonic nondestructive testing device | |
| CN216645579U (en) | Frequency acquisition instrument | |
| CN217764859U (en) | Non-contact detection device for crack propagation between track slab layers | |
| CN218917672U (en) | Test tube detection device | |
| CN117741735A (en) | Fracturing detection device based on microseism monitoring is used | |
| CN215373783U (en) | Cigar measuring device | |
| CN114428115B (en) | Equipment for detecting quality of deep weld joint of pressure equipment | |
| CN115162430A (en) | Bridge foundation pile shock strength check out test set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |