CN112067702B - Wall surface fixing device of acoustic emission sensor - Google Patents
Wall surface fixing device of acoustic emission sensor Download PDFInfo
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- CN112067702B CN112067702B CN202011144304.7A CN202011144304A CN112067702B CN 112067702 B CN112067702 B CN 112067702B CN 202011144304 A CN202011144304 A CN 202011144304A CN 112067702 B CN112067702 B CN 112067702B
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- 238000009434 installation Methods 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims description 16
- 230000003139 buffering effect Effects 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- -1 ferromagnetic bodies Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 239000002887 superconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses an acoustic emission sensor wall surface fixing device, which belongs to the technical field of acoustic emission sensor installation and solves the problem of poor stability of the existing acoustic emission sensor wall surface fixing device.
Description
Technical Field
The invention belongs to the technical field of installation of acoustic emission sensors, and particularly relates to a wall surface fixing device of an acoustic emission sensor.
Background
The acoustic emission sensor is an important part of the acoustic emission detection system and is an important factor affecting the overall performance of the system. The acoustic emission sensor is unreasonable in design, and perhaps makes the received signal and the acoustic emission signal that hopes to receive have great difference, directly influences the data authenticity and the data processing result that gathers, and in acoustic emission detection, also resonant acoustic emission sensor and broadband response's acoustic emission sensor are mostly used.
Acoustic emission sensors are manufactured by using the principle that physical characteristics of certain substances (such as semiconductors, ceramics, piezoelectric crystals, ferromagnetic bodies, superconductors, etc.) change with the external measurement to be performed. It uses many effects (including physical effect, chemical effect and biological effect) and physical phenomena, such as piezoresistance, humidity sensitivity, heat sensitivity, light sensitivity, magnetic sensitivity and gas sensitivity, etc. of material to convert strain, humidity, temperature, displacement, magnetic field, gas, etc. into electric quantity. The new principle, the discovery and the utilization of new effects and the development and the application of new physical property materials lead the physical property acoustic emission sensor to be greatly developed. It is therefore necessary to understand, develop and apply the various effects on which acoustic emission sensors are based. In acoustic emission detection, piezoelectric effects are commonly used.
The main types of acoustic emission sensor include high sensitivity acoustic emission sensor, wide band acoustic emission sensor, high temperature acoustic emission sensor, differential acoustic emission sensor, micro acoustic emission sensor, magnetic adsorption acoustic emission sensor, low frequency inhibition acoustic emission sensor, capacitive acoustic emission sensor, etc. the acoustic emission sensor is mainly composed of a plurality of piezoelectric elements with different thickness or concave spherical and wedge piezoelectric elements to widen the frequency band.
However, the existing acoustic emission sensor wall surface fixing device is generally directly fixed by bolts, the acoustic emission sensor inside the device is easy to shake, and the stability is relatively poor.
Therefore, in order to solve the problem, a wall fixing device for the acoustic emission sensor needs to be developed and designed, and the problem that the existing wall fixing device for the acoustic emission sensor is poor in stability is solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide a wall fixing device for an acoustic emission sensor, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
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, acoustic emission sensor body embedding is inside the installation casing, limiting plate one is through slide bar sliding connection in the slide rail that installation shells inner wall inlayed, slide bar tip passes through pivot two and connects the connecting rod top, the connecting rod bottom passes through pivot one and connects the gear, the gear passes through teeth of a cogwheel and threaded rod meshing to the gear passes through fixed axle connection installation shells lateral wall mosaic's support, limiting plate two fixed connection is in the double-screw bolt bottom, double-screw bolt threaded connection is in the screw hole one of installing the casing top seting up, threaded rod threaded connection is in the screw hole two of seting up at the installation cover top, installation cover fixed connection is at installation shells lateral wall.
As a further scheme of the invention, the bottom of the limiting plate II is fixedly connected with a fixing pin, the fixing pin is embedded into a through hole formed in the surface of the buffer block II, the side wall of the fixing pin is sleeved with a damping spring I, and the limiting plate I is connected with the buffer block I through the damping spring II.
As a further scheme of the invention, the tops of the threaded rod and the stud are fixedly connected with a first knob and a second knob respectively.
As a further scheme of the invention, the inner wall of the installation shell is embedded with soundproof cotton.
As a further scheme of the 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 limiting plates I is two, and the threaded rods and the limiting plates I 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 damping springs is two, and the fixing pins and the damping springs 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 for connect the wall body, when the in-process that the threaded rod clockwise rotation got into the wall body, utilize the meshing transmission principle of gear, it is rotatory to drive the gear, and drive the slide bar along the slide rail to the inboard removal of installation casing through the connecting rod, thereby drive limiting plate one extrusion acoustic emission sensor body, realized pressing from both sides tight fixed function, in-process that the threaded rod anticlockwise rotated and pulled out from the wall body, limiting plate one can be followed acoustic emission sensor body outside and loosen, compare in traditional fixed mode, possess the installation of being convenient for and dismantle and characteristics that flexibility and stability are good.
2. Limiting plate one and limiting plate two all play spacing effect, and wherein limiting plate one can prevent that acoustic emission sensor body from rocking about the installation casing, and limiting plate two can prevent that acoustic emission sensor body rocks from top to bottom, possesses the good characteristics of stability.
3. The stud rotates clockwise, can drive limiting plate to move downwards, realize fastening the function of fixed acoustic emission sensor body, and the stud anticlockwise rotates, and limiting plate two can loosen acoustic emission sensor body, possesses the characteristics that the flexibility is good.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 to embodiment 3 in the invention.
Fig. 2 is a diagram showing the connection relationship between the first gear, the first connecting rod, the second sliding rod and the first limiting plate in embodiment 1 of the invention.
Fig. 3 is an enlarged view of part of the invention of fig. 1 a.
Fig. 4 is an enlarged view of part of b of fig. 1 of the invention.
Reference numerals: 1-mounting shell, 2-soundproof cotton, 3-acoustic emission sensor body, 4-rubber pad I, 5-limiting plate I, 6-support, 7-fixed axle, 8-axle pin I, 9-gear, 10-connecting rod, 11-slide rail, 12-axle pin II, 13-slide bar, 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-fixed pin, 22-damping spring I, 23-damping spring II.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
Referring to fig. 1 to 2, an acoustic emission sensor wall surface fixing device comprises an acoustic emission sensor body 3, a threaded rod 15, a stud 19, a first limiting plate 5 and a second limiting plate 18, wherein the acoustic emission sensor body 3 is embedded into an installation shell 1, the installation shell 1 plays a role in protection, and can prevent the acoustic emission sensor body from being damaged due to impact
The first limiting plate 5 is slidably connected in the sliding rail 11 embedded in the inner wall of the installation shell 1 through the sliding rod 13, the first limiting plate 5 plays a limiting role, the acoustic emission sensor body 3 can be prevented from shaking left and right in the installation shell 1, the acoustic emission sensor has the characteristic of good stability, the end part of the sliding rod 13 is connected with the top of the connecting rod 10 through the second shaft pin 12, the bottom of the connecting rod 10 is connected with the gear 9 through the first shaft pin 8, and the connecting rod 10 plays a role in energy transfer.
The gear 9 is meshed with the threaded rod 15 through gear teeth, and the gear 9 is connected with the bracket 6 embedded in the side wall of the installation shell 1 through the fixed shaft 7, the threaded rod 15 is in threaded connection with the threaded hole II formed in the top of the installation cover 14, the threaded rod 15 plays a fixed role and 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 rod 13 is driven to move towards the inner side of the installation shell 1 through the connecting rod 10, so that the limiting plate I5 is driven to extrude the acoustic emission sensor body 3, the clamping and fixing function is realized, and when the threaded rod 15 rotates anticlockwise and is pulled out of the wall body, the limiting plate I5 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 characteristics of being convenient to install and detach and good in flexibility and stability.
The second limiting plate 18 is fixedly connected to the bottom of the stud 19, the second limiting plate 18 can prevent the acoustic emission sensor body 3 from shaking up and down and has the characteristic of good stability, the stud 19 is in threaded connection with the first threaded hole formed in the top of the installation shell 1, the installation cover 14 is fixedly connected to the side wall of the installation shell 1, the stud 19 rotates clockwise and can drive the second limiting plate 18 to move downwards, the function of fastening and fixing the acoustic emission sensor body 3 is achieved, the stud 19 rotates anticlockwise, the second limiting plate 18 can loosen the acoustic emission sensor body 3 and has the characteristic of good flexibility.
The number of the threaded rods 15 and the limiting plates 5 is two, and the threaded rods and the 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 fixedly connected with a first knob 16 and a second knob 20 respectively, 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 threaded rod and the stud 19 have the characteristic of being convenient to operate.
Example 2
Referring to fig. 1 to 4, an acoustic emission sensor wall fixing device further includes 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 buffering 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 buffering block 4 through the second damping spring 23, the first buffering block 4 and the second buffering block 17 can prevent the acoustic emission sensor body 3 from being worn, a protection effect is achieved, the first damping spring 22 can weaken the acoustic emission sensor body 3 from being subjected to longitudinal force from the second limiting plate 18 in a violent shaking process, the second damping spring 23 can weaken the acoustic emission sensor body 3 from being subjected to transverse force from the first limiting plate 5 in the violent shaking process, damage is prevented, and service life is prolonged.
The number of the fixing pins 21 and the number of the damping springs 22 are two, and the two fixing pins are symmetrically distributed on two sides of the acoustic emission sensor body 3, so that the acoustic emission sensor has the characteristics of good firmness and good stability.
The buffer block I4 and the buffer block II 17 are made of hard rubber, and have the characteristics of good wear resistance and corrosion resistance.
The inner wall of the installation shell 1 is inlaid with soundproof cotton 2, and has the effects of sound insulation and noise reduction.
The remaining structural parts of this embodiment are the same as those of embodiment 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 slide rod 13 is driven to move towards the inner side of the installation shell 1 by the connecting rod 10, 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 foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
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 one (5) and limiting plate two (18), its characterized in that, acoustic emission sensor body (3) imbeds in installation casing (1) inside, limiting plate one (5) is through slide bar (13) sliding connection in slide rail (11) that installation casing (1) inner wall was inlayed, slide bar (13) tip passes through pivot two (12) and connects connecting rod (10) top, connecting rod (10) bottom passes through pivot one (8) and connects gear (9), gear (9) are through the meshing of teeth of a cogwheel and threaded rod (15) to gear (9) pass through fixed axle (7) and connect support (6) that installation casing (1) lateral wall inlayed, limiting plate two (18) fixed connection are in stud (19) bottom, threaded rod one that threaded connection was seted up at installation casing (1) top, threaded rod (15) threaded connection is in threaded hole two that installation cover (14) top was seted up, installation cover (14) fixed connection is at installation casing (1) lateral wall; the threaded rod (15) plays a role in fixation and is used for connecting a wall, and when the threaded rod (15) rotates clockwise to enter the wall, the gear (9) is driven to rotate by utilizing the meshing transmission principle of the gear (9);
the damping device is characterized in that a fixing pin (21) is fixedly connected to the bottom of the limiting plate II (18), the fixing pin (21) is embedded into a through hole formed in the surface of the buffering block II (17), a damping spring I (22) is sleeved on the side wall of the fixing pin (21), and the limiting plate I (5) is connected with the buffering block I (4) through the damping spring II (23).
2. The wall surface fixing device of the acoustic emission sensor according to claim 1, wherein the tops of the threaded rod (15) and the stud (19) are fixedly connected with a first knob (16) and a second knob (20) respectively.
3. The wall surface fixing device of the acoustic emission sensor according to claim 1, wherein the inner wall of the installation shell (1) is inlaid with soundproof cotton (2).
4. The wall surface fixing device for the acoustic emission sensor according to claim 2, wherein the first buffer block (4) and the second buffer block (17) are made of hard rubber.
5. A wall surface fixing device for an acoustic emission sensor according to claim 3, wherein the number of the threaded rods (15) and the limiting plates (5) is two, and the threaded rods and the limiting plates are symmetrically distributed on two sides of the acoustic emission sensor body (3).
6. The wall surface fixing device for the acoustic emission sensor according to claim 5, wherein the number of the fixing pins (21) and the damping springs (22) is 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 |
|---|---|
| CN112067702A CN112067702A (en) | 2020-12-11 |
| CN112067702B true 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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| CN112067702A (en) | 2020-12-11 |
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