CN112067702A - Acoustic emission sensor wall fixing device - Google Patents
Acoustic emission sensor wall fixing device Download PDFInfo
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- CN112067702A CN112067702A CN202011144304.7A CN202011144304A CN112067702A CN 112067702 A CN112067702 A CN 112067702A CN 202011144304 A CN202011144304 A CN 202011144304A CN 112067702 A CN112067702 A CN 112067702A
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- emission sensor
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- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 5
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- 238000001514 detection method Methods 0.000 description 2
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- 239000000284 extract Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a wall surface fixing device of an acoustic emission sensor, which belongs to the technical field of acoustic emission sensor installation and solves the problem of poor stability of the existing wall surface fixing device of the acoustic emission sensor, and comprises an acoustic emission sensor body, a threaded rod, a stud, a first limit plate and a second limit plate, wherein the acoustic emission sensor body is embedded in an installation shell, the first limit plate is connected in a sliding rail embedded in the inner wall of the installation shell in a sliding way through a sliding rod, the end part of the sliding rod is connected with the top part of a connecting rod through a second shaft pin, the bottom part of the connecting rod is connected with a gear through the first shaft pin, the gear is engaged with the threaded rod through gear teeth, the gear is connected with a bracket embedded in the side wall of the installation shell through a fixed shaft, the second limit plate is fixedly connected with the, the mounting cover is fixedly connected to the side wall of the mounting shell, and the invention has the characteristic of good stability.
Description
Technical Field
The invention belongs to the technical field of acoustic emission sensor installation, and particularly relates to a wall surface fixing device for an acoustic emission sensor.
Background
The acoustic emission sensor is an important part of an acoustic emission detection system and is an important factor influencing the overall performance of the system. The design of the acoustic emission sensor is unreasonable, so that the received signal and the expected acoustic emission signal have large difference, the truth of the acquired data and the data processing result are directly influenced, and in the acoustic emission detection, a resonant acoustic emission sensor and a broadband response acoustic emission sensor are mostly used.
The acoustic emission sensor is manufactured by using the principle that the physical properties of certain substances (such as semiconductors, ceramics, piezoelectric crystals, ferromagnetic bodies, superconductors and the like) change along with the external action to be measured. It uses many effects (including physical effect, chemical effect and biological effect) and physical phenomena, such as piezoresistive effect, humidity-sensitive effect, heat-sensitive effect, light-sensitive effect, magnetic-sensitive effect and gas-sensitive effect, etc. to measure and convert strain, humidity, temperature, displacement, magnetic field and gas into electric quantity. And the discovery and utilization of new principles and new effects and the development and application of novel physical materials lead the physical acoustic emission sensor to be greatly developed. It is therefore necessary to understand the various effects on which acoustic emission sensors are based, both for their understanding, development and application. In acoustic emission testing, the piezoelectric effect is commonly used.
The acoustic emission sensor is mainly composed of a high-sensitivity acoustic emission sensor, a broadband acoustic emission sensor, a high-temperature acoustic emission sensor, a differential acoustic emission sensor, a miniature acoustic emission sensor, a magnetic adsorption acoustic emission sensor, a low-frequency suppression acoustic emission sensor, a capacitive acoustic emission sensor and the like, wherein the high-sensitivity acoustic emission sensor is a resonant acoustic emission sensor which is most applied, the broadband acoustic emission sensor is generally composed of a plurality of piezoelectric elements with different thicknesses, or concave spherical and wedge-shaped piezoelectric elements are adopted to achieve the purpose of widening a frequency band, the high-temperature acoustic emission sensor is generally made of lithium niobate or lead titanate ceramics, the differential acoustic emission sensor is composed of two piezoelectric elements with different connected positive and negative electrodes, outputs corresponding differential signals, and the signals.
However, the existing acoustic emission sensor wall fixing device generally adopts a mode of directly fixing the acoustic emission sensor by bolts, the acoustic emission sensor inside is easy to shake, and the stability is poor.
Therefore, in order to solve the problem, an acoustic emission sensor wall surface fixing device needs to be developed and designed, so that the problem that the existing acoustic emission sensor wall surface fixing device is poor in stability is solved.
Disclosure of Invention
In view of the defects in the prior art, an embodiment of the present invention provides a wall surface fixing device for an acoustic emission sensor, so as to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an acoustic emission sensor wall fixing device, includes acoustic emission sensor body, threaded rod, double-screw bolt, limiting plate one and limiting plate two, the embedding of acoustic emission sensor body is inside installation casing, a limiting plate is connected in the embedded slide rail of installation shells inner wall through slide bar sliding connection, the slide bar tip passes through two connecting rod tops of pivot, a connecting rod bottom is through a pivot connecting gear, the gear passes through the teeth of a cogwheel and the meshing of threaded rod to the gear passes through the support that fixed hub connection installation casing lateral wall was inlayed, two fixed connection of limiting plate are in the double-screw bolt bottom, threaded hole one that double-screw bolt threaded connection seted up at installation casing top, threaded rod threaded connection is in two threaded holes that the installation cover top was seted up, installation cover fixed connection is at installation.
According to a further scheme of the invention, the bottom of the second limiting plate is fixedly connected with a fixing pin, the fixing pin is embedded into a through hole formed in the surface of the second buffer block, the side wall of the fixing pin is sleeved with a first damping spring, and the first limiting plate is connected with the first buffer block through the second damping spring.
As a further scheme of the invention, the threaded rod and the top of the stud are respectively and fixedly connected with a first knob and a second knob.
As a further scheme of the invention, sound insulation cotton is embedded in the inner wall of the mounting shell.
In a further aspect of the present invention, the first buffer block and the second buffer block are made of hard rubber.
As a further scheme of the invention, the number of the threaded rods and the number of the first limiting plates are two, and the threaded rods and the first limiting plates are symmetrically distributed on two sides of the acoustic emission sensor body.
As a further scheme of the invention, the number of the fixing pins and the number of the damping springs I are two, and the fixing pins and the damping springs I are symmetrically distributed on two sides of the acoustic emission sensor body.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
1. the threaded rod plays fixed effect, a be used for connecting the wall body, the in-process that gets into the wall body when the threaded rod clockwise turning, utilize the meshing transmission principle of gear, it is rotatory to drive the gear, and drive the slide bar through the connecting rod and remove to installation casing inboard along the slide rail, thereby drive a limiting plate extrusion acoustic emission sensor body, the function of pressing from both sides tight fixed has been realized, the in-process that extracts from the wall body when the threaded rod anticlockwise turning, a limiting plate can be followed the acoustic emission sensor body outside and loosened, compare in traditional fixed mode, possess be convenient for install and dismantle and the good characteristics of flexibility and stability.
2. The first limiting plate and the second limiting plate both play a limiting role, the first limiting plate can prevent the acoustic emission sensor body from shaking left and right of the installation shell, and the second limiting plate can prevent the acoustic emission sensor body from shaking up and down, and has the advantage of being good in stability.
3. The stud rotates clockwise, can drive second limiting plate and move down, realizes tightening the function of fixing the acoustic emission sensor body, and the stud anticlockwise rotates, and second limiting plate can loosen the acoustic emission sensor body, possesses the good characteristics of flexibility.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of embodiments 1 to 3 in the present invention.
Fig. 2 is a connection relation diagram of the gear, the connecting rod, the sliding rod and the first limit plate in embodiment 1 of the invention.
Fig. 3 is a partial enlarged view of a in fig. 1 of the invention.
Fig. 4 is a partial enlarged view of b in fig. 1 of the invention.
Reference numerals: 1-mounting a shell, 2-soundproof cotton, 3-acoustic emission sensor body, 4-rubber pad I, 5-limiting plate I, 6-bracket, 7-fixing shaft, 8-shaft pin I, 9-gear, 10-connecting rod, 11-sliding rail, 12-shaft pin II, 13-sliding rod, 14-mounting cover, 15-threaded rod, 16-knob I, 17-rubber pad II, 18-limiting plate II, 181-buffer seat, 19-stud, 20-knob II, 21-fixing pin, 22-damping spring I and 23-damping spring II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Referring to fig. 1 to 2, an acoustic emission sensor wall surface fixing device includes an acoustic emission sensor body 3, a threaded rod 15, a stud 19, a first limit plate 5 and a second limit plate 18, the acoustic emission sensor body 3 is embedded in an installation shell 1, and the installation shell 1 plays a role of protection, and can prevent the acoustic emission sensor body from being damaged by impact
Limiting plate 5 is in the inlaid slide rail 11 of installation casing 1 inner wall through slide bar 13 sliding connection, and limiting plate 5 plays spacing effect, can prevent that acoustic emission sensor body 3 from rocking about installation casing 1, possesses the good characteristics of stability, slide bar 13 tip passes through two 12 connection connecting rod 10 tops of pivot, connecting rod 10 bottom is through a 8 connecting gear 9 of pivot, and connecting rod 10 plays the effect of transmission energy.
The gear 9 is engaged with the threaded rod 15 through gear teeth, the gear 9 is connected with the bracket 6 embedded on the side wall of the installation shell 1 through the fixed shaft 7, the threaded rod 15 is in threaded connection with a second threaded hole formed in the top of the mounting cover 14, the threaded rod 15 plays a role in fixing, is used for connecting a wall body, when the threaded rod 15 rotates clockwise to enter the wall body, the gear 9 is driven to rotate by utilizing the meshing transmission principle of the gear 9, and the slide bar 13 is driven by the connecting rod 10 to move along the slide rail 11 to the inner side of the mounting shell 1, thereby driving the first limiting plate 5 to extrude the acoustic emission sensor body 3, realizing the function of clamping and fixing, when the threaded rod 15 anticlockwise rotates and extracts from the wall body, the limiting plate 5 can be loosened from the outer side of the acoustic emission sensor body 3, and compared with a traditional fixing mode, the acoustic emission sensor has the advantages of being convenient to mount and dismount, and good in flexibility and stability.
Two 18 fixed connection of limiting plate are in 19 bottoms of double-screw bolt, and two 18 limiting plates can prevent that acoustic emission sensor body 3 from rocking from top to bottom, possess the characteristics that stability is good, 19 threaded connection of double-screw bolt is in the screw hole that 1 top of installation casing was seted up, 14 fixed connection of installation cover are at 1 lateral wall of installation casing, and two 18 downstream of limiting plate can be driven in the clockwise rotation of double-screw bolt 19, realize fastening the function of fixed acoustic emission sensor body 3, and double-screw bolt 19 anticlockwise rotation, two 18 limiting plates can loosen acoustic emission sensor body 3, possess the characteristics that the flexibility is good.
The number of the threaded rods 15 and the number of the first limiting plates 5 are two, and the threaded rods and the first limiting plates are symmetrically distributed on two sides of the acoustic emission sensor body 3.
The top of the threaded rod 15 and the top of the stud 19 are respectively and fixedly connected with a first knob 16 and a second knob 20, and a user can adjust the threaded rod 15 and the stud 19 through the first knob 16 and the second knob 20, so that the novel screw rod structure has the characteristic of convenience in operation.
Example 2
Referring to fig. 1 to 4, the acoustic emission sensor wall fixing device further comprises a second limiting plate 18, a fixing pin 21 is fixedly connected to the bottom of the second limiting plate 18, the fixing pin 21 is embedded into a through hole formed in the surface of the second buffer block 17, a first damping spring 22 is sleeved on the side wall of the fixing pin 21, the first limiting plate 5 is connected with the first buffer block 4 through the second damping spring 23, the first buffer block 4 and the second buffer block 17 can prevent the acoustic emission sensor body 3 from being abraded, the acoustic emission sensor body 3 can be weakened by the first damping spring 22 to receive longitudinal force from the second limiting plate 18 in a violent shaking process, the second damping spring 23 can weaken transverse force from the first limiting plate 5 on the acoustic emission sensor body 3 in the violent shaking process to prevent the acoustic emission sensor body from being damaged, and the service life of the acoustic emission sensor is prolonged.
The number of the fixing pins 21 and the number of the damping springs 22 are two, and the fixing pins and the damping springs are symmetrically distributed on two sides of the acoustic emission sensor body 3, so that the acoustic emission sensor has the advantages of being good in firmness and stability.
The first buffer block 4 and the second buffer block 17 are made of hard rubber and have the advantages of being good in abrasion resistance and corrosion resistance.
The inner wall of the mounting shell 1 is inlaid with soundproof cotton 2, and the soundproof cotton has the functions of sound insulation and noise reduction.
The rest of the structure of this example is the same as example 1.
The working principle of the invention is as follows: firstly, the first knob 16 is rotated clockwise, the threaded rod 15 is fixed in a wall body, the gear 9 is driven to rotate by utilizing the meshing transmission principle of the gear 9, the sliding rod 13 is driven to move towards the inner side of the installation shell 1 along the sliding rail 11 through the connecting rod 10, so that the first limiting plate 5 is driven to extrude the acoustic emission sensor body 3 and fix the acoustic emission sensor body, then the second knob 20 is rotated clockwise, the second limiting plate 18 can be driven to move downwards and fix the acoustic emission sensor body 3, and when the acoustic emission sensor body needs to be disassembled, the first knob 16 and the second knob 20 are rotated anticlockwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an acoustic emission sensor wall fixing device, includes acoustic emission sensor body (3), threaded rod (15), double-screw bolt (19), limiting plate (5) and limiting plate two (18), its characterized in that, acoustic emission sensor body (3) embedding is inside installation casing (1), limiting plate (5) are in installation casing (1) inner wall mosaic slide rail (11) through slide bar (13) sliding connection, slide bar (13) tip is through pivot two (12) connecting rod (10) top, connecting rod (10) bottom is through pivot one (8) connecting gear (9), gear (9) are through the teeth of a cogwheel and threaded rod (15) meshing to gear (9) are connected installation casing (1) lateral wall mosaic support (6) through fixed axle (7), limiting plate two (18) fixed connection is in double-screw bolt (19) bottom, the screw bolt (19) is in threaded connection with a first threaded hole formed in the top of the mounting shell (1), the threaded rod (15) is in threaded connection with a second threaded hole formed in the top of the mounting cover (14), and the mounting cover (14) is fixedly connected with the side wall of the mounting shell (1).
2. The acoustic emission sensor wall surface fixing device according to claim 1, wherein a fixing pin (21) is fixedly connected to the bottom of the second limiting plate (18), the fixing pin (21) is embedded in a through hole formed in the surface of the second buffer block (17), a first damping spring (22) is sleeved on the side wall of the fixing pin (21), and the first limiting plate (5) is connected with the first buffer block (4) through the second damping spring (23).
3. The acoustic emission sensor wall surface fixing device of claim 2, wherein a first knob (16) and a second knob (20) are fixedly connected to the tops of the threaded rod (15) and the stud (19), respectively.
4. The acoustic emission sensor wall surface fixing device according to claim 1, wherein the inner wall of the mounting shell (1) is embedded with soundproof cotton (2).
5. The acoustic emission sensor wall surface fixing device according to claim 2, wherein the first buffer block (4) and the second buffer block (17) are made of hard rubber.
6. The acoustic emission sensor wall surface fixing device according to claim 3, wherein the number of the threaded rods (15) and the number of the first limiting plates (5) are two, and the threaded rods and the first limiting plates are symmetrically distributed on two sides of the acoustic emission sensor body (3).
7. The acoustic emission sensor wall surface fixing device according to claim 6, wherein the number of the fixing pins (21) and the number of the damping springs (22) are two, and the fixing pins and the damping springs are symmetrically distributed on two sides of the acoustic emission sensor body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144304.7A CN112067702B (en) | 2020-10-23 | 2020-10-23 | Wall surface fixing device of acoustic emission sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144304.7A CN112067702B (en) | 2020-10-23 | 2020-10-23 | Wall surface fixing device of acoustic emission sensor |
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| Publication Number | Publication Date |
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| CN112067702A true CN112067702A (en) | 2020-12-11 |
| CN112067702B CN112067702B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011144304.7A Active CN112067702B (en) | 2020-10-23 | 2020-10-23 | Wall surface fixing device of acoustic emission sensor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0650810A (en) * | 1992-07-30 | 1994-02-25 | Fujitsu Ltd | Vessel for infrared sensor |
| CN204945098U (en) * | 2015-09-18 | 2016-01-06 | 天津大学 | Flush type voice sending sensor system |
| CN107271566A (en) * | 2017-06-27 | 2017-10-20 | 东北林业大学 | A kind of sensor fastening device of Experimental on acoustic emission |
| CN107839987A (en) * | 2017-12-04 | 2018-03-27 | 成都韵能科技有限公司 | A kind of packing device of pressure sensor |
| CN207961988U (en) * | 2018-01-22 | 2018-10-12 | 武汉科琳盛光电科技有限公司 | One kind being based on LED display fixing device |
| CN208608151U (en) * | 2018-08-24 | 2019-03-15 | 西安柏泰电气有限公司 | A kind of line circuit breaker being easily installed |
| CN210430453U (en) * | 2019-04-14 | 2020-04-28 | 泉州市鑫盛电气设备有限公司 | Novel suspension type switch board |
| CN210572133U (en) * | 2018-11-15 | 2020-05-19 | 郑州大学 | Wall surface fixing device of acoustic emission sensor |
-
2020
- 2020-10-23 CN CN202011144304.7A patent/CN112067702B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0650810A (en) * | 1992-07-30 | 1994-02-25 | Fujitsu Ltd | Vessel for infrared sensor |
| CN204945098U (en) * | 2015-09-18 | 2016-01-06 | 天津大学 | Flush type voice sending sensor system |
| CN107271566A (en) * | 2017-06-27 | 2017-10-20 | 东北林业大学 | A kind of sensor fastening device of Experimental on acoustic emission |
| CN107839987A (en) * | 2017-12-04 | 2018-03-27 | 成都韵能科技有限公司 | A kind of packing device of pressure sensor |
| CN207961988U (en) * | 2018-01-22 | 2018-10-12 | 武汉科琳盛光电科技有限公司 | One kind being based on LED display fixing device |
| CN208608151U (en) * | 2018-08-24 | 2019-03-15 | 西安柏泰电气有限公司 | A kind of line circuit breaker being easily installed |
| CN210572133U (en) * | 2018-11-15 | 2020-05-19 | 郑州大学 | Wall surface fixing device of acoustic emission sensor |
| CN210430453U (en) * | 2019-04-14 | 2020-04-28 | 泉州市鑫盛电气设备有限公司 | Novel suspension type switch board |
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| CN112067702B (en) | 2023-11-24 |
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