CN203849215U - Ultrasonic transducer fixing and measuring device - Google Patents
Ultrasonic transducer fixing and measuring device Download PDFInfo
- Publication number
- CN203849215U CN203849215U CN201420271160.5U CN201420271160U CN203849215U CN 203849215 U CN203849215 U CN 203849215U CN 201420271160 U CN201420271160 U CN 201420271160U CN 203849215 U CN203849215 U CN 203849215U
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- ultrasonic transducer
- fixed
- measuring device
- transducer
- software
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- 230000008602 contraction Effects 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 4
- 241000252254 Catostomidae Species 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 18
- 230000007547 defect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009659 non-destructive testing Methods 0.000 description 3
- 238000001028 reflection method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a fixed measuring device of ultrasonic transducer, including fixed subassembly of ultrasonic transducer body, transducer and vacuum pump, the fixed subassembly of transducer includes fixed plate, connecting pipe, software sucking disc and shrink spring, the transducer body is fixed on the fixed plate, the software sucking disc is fixed on the fixed plate through the axle of deformation, the shrink spring cover is established outside the axle of deformation, the vacuum pump passes through the connecting pipe and is connected with the software sucking disc. The ultrasonic transducer fixing and measuring device adopts the combination of the vacuum pump and the sucker to effectively adsorb the ultrasonic transducer on a measuring object, so that manual operation is replaced, the measurement of ultrasonic signals is more convenient and accurate, and the measurement of the ultrasonic signals at each measuring point under the same pressure is ensured.
Description
Technical field
The utility model relates to field of non destructive testing, relates in particular to a kind of ultrasonic transducer fixation measuring device.
Background technology
Because ultrasound wave has, excite easily, characterization processes is simple, easy to operate, low price, detection thickness is large, highly sensitive, speed is fast, cost is low, harmless, can position and the advantage such as quantitative defect, therefore in Non-Destructive Testing, particularly the application in metal inside defect and concrete component detection has prospect more widely.
The transmission loss of ultrasound wave in solid is very little, and investigation depth is large, due to phenomenons such as ultrasound wave can reflect on heterogeneous interface, refractions, especially can not pass through gas-solid interface.If have the defects (having gas in defect) such as pore, crackle, layering in metal or concrete or be mingled with, ultrasonic propagation is during to the interface of metal and defect, will all or part ofly reflect, the ultrasound wave the reflecting reception of being popped one's head in, by the processing of circuit of instrument internal, on the video screen of instrument, will demonstrate differing heights and waveform at regular intervals.Can judge the degree of depth, position and the shape of defect in workpiece according to the variation characteristic of waveform.
Ultrasound examination is to utilize the acoustical behavior difference of material and defect thereof the energy variation of ultrasonic propagation waveform reflection case and time of break-through to be carried out to the lossless detection method of experimental material inherent vice.
Wave velocity method is the most basic method of ultrasound examination inside concrete state, and the speed of utilizing sound wave to advance in dielectric material is larger, and the rockiness of dielectric material is larger; Otherwise, the softer principle of dielectric material, so the strength of materials is higher, velocity of wave should be larger; The strength of materials is lower, and velocity of wave should be less.Like this, know velocity of wave, that is known the strength of materials.
Pulse reflection method is compressional wave when normal beam testing, shear wave when oblique fire flaw detection.Pulse reflection method has compressional wave flaw detection and detection with transversal waves.On ultrasonic instrument oscillography screen, with horizontal ordinate, represent the travel-time of sound wave, with ordinate, represent echo signal amplitude.For same uniform dielectric, the travel-time of pulsating wave is directly proportional to sound equation.Therefore can be judged by the appearance of flaw echoes the existence of defect; The position that can be occurred by echoed signal again determines that defect, apart from the distance of test surface, realizes defect location; By echo amplitude, judge the equivalent size of defect.
No matter be ultrasonic velocity method or the ultrasonic examination of pulse reflection method, its precondition all needs stable ultrasonic measurement signal, at measurement point, guarantees whole ultrasonic transducer Measurement accuracy under stable state.
Utility model content
The technical problems to be solved in the utility model is: in the prior art, while adopting ultrasonic transducer to carry out Non-Destructive Testing, it is all generally manual operation, manual operation not only needs a large amount of labours, and can not guarantee that each measurement point carries out the measurement of ultrasonic signal under the pressure being equal to, measuring error is also larger.
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of simple in structure, easy operating, fixation are provided, can be adapted to the ultrasonic transducer fixation measuring device of many scenes, not only can replace manual operation completely, and can meet each measurement point and under same measurement environment, carry out ultrasonic measurement accurately.
The utility model solves the technical scheme that its technical matters adopts: a kind of ultrasonic transducer fixation measuring device, comprise ultrasonic transducer body, transducer fixation kit and vacuum pump, described transducer fixation kit comprises fixed head, connecting pipe, software sucker and contraction spring, described transducer body is fixed on fixed head, described software sucker is fixed on fixed head by deformation axle, described contraction spring is set in outside deformation axle, and described vacuum pump is connected with software sucker by connecting pipe.
In order to make ultrasonic transducer fixation reliable, described software sucker is two, and two suckers are symmetricly set on transducer body both sides.
For the ease of regulating the position of software sucker, described deformation axle is fixed on fixed head by length expansion screw, rotation length expansion screw is the position of adjustable deformation axle, thereby regulate the position of two software suckers, make two software suckers corresponding, regulate the contact force between ultrasonic transducer and testee.
For the ease of installing, on described fixed head, offer a macropore and two apertures, described macropore is arranged on fixed head middle part, and described aperture is symmetricly set on macropore both sides, and described transducer body is fixed in macropore, and described deformation axle is fixed in aperture.
In order to improve sealing, the junction of described software sucker and deformation axle is provided with some O-ring seals, prevents that gas leakage from affecting software sucker absorption ground fastness.
Described transducer body end is provided with software plastics, in the middle of transducer body, groove is set, and is convenient to and testee close contact.
For the ease of the installing/dismounting of ultrasonic transducer body, on described ultrasonic transducer body, be provided with coarse section, ultrasonic transducer body is connected on fixed head by coarse section.
The beneficial effects of the utility model are: the utility model is the combination that ultrasonic transducer fixation measuring device adopts vacuum pump and sucker, ultrasonic transducer is effectively adsorbed on and is measured on object, replaced manual operation, make the measurement of ultrasonic signal more convenient, accurate, guarantee that each measurement point is being equal to the measurement of carrying out ultrasonic signal under pressure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the perspective view of a preferred embodiment of the utility model ultrasonic transducer fixation measuring device;
Fig. 2 is the structural representation of the fixed head of the utility model ultrasonic transducer fixation measuring device;
In figure: 1. connecting pipe, 2. transducer body, 3. fixed head, 4. software sucker, 5. length expansion screw, 6. deformation axle, 7. contraction spring, 8. macropore, 9. aperture, 10. coarse section.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of ultrasonic transducer fixation measuring device, comprise ultrasonic transducer body 2, transducer fixation kit and vacuum pump, described transducer fixation kit comprises fixed head 3, connecting pipe 1, software sucker 4 and contraction spring 7, described transducer body 2 is fixed on fixed head 3, described software sucker 4 is fixed on fixed head 3 by deformation axle 6, and described contraction spring 7 is set in outside deformation axle 6, and described vacuum pump is connected with software sucker 4 by connecting pipe 1.
Described software sucker 4 is two, and two suckers are symmetricly set on transducer body 2 both sides, and for being adsorbed on testee surface, two software suckers 4 are connected with connecting pipe 1 respectively, and are connected with minipump by converging device.
Fixed head 3 as shown in Figure 2, employing plastics obtains, on described fixed head 3, offer a macropore 8 and two apertures 9, described macropore 8 is arranged on fixed head 3 middle parts, described aperture 9 is symmetricly set on macropore 8 both sides, described transducer body 2 is fixed in macropore 8, and described deformation axle 6 is fixed in aperture 9.
Described deformation axle 6 is fixed on fixed head 3 by length expansion screw 5, length expansion screw 5 is fixed in aperture 9, rotation length expansion screw 5 is the position of adjustable deformation axle 6, thereby regulate the height of two software suckers 4, make two software suckers 4 corresponding, be convenient to ultrasonic transducer and measure.
Described software sucker 4 is provided with some O-ring seals with the junction of deformation axle 6, prevents that gas leakage from affecting software sucker 4 absorption fastnesses.
Described transducer body 2 ends are provided with the software plastics that thickness is 3mm, and in the middle of transducer body 2, being provided with width is the groove that 3mm, the degree of depth are 5mm, is convenient to and testee close contact.
On described transducer body 2, be provided with coarse section 10, transducer body 2 is fixed in macropore 8 by coarse section 10, is difficult for sliding, and installing/dismounting is very convenient.
When the utility model is used in reality, transducer body 2 is inserted in the macropore 8 of fixed head 3, regulate the position of two length expansion screws 5, make two software sucker 4 bottom surfaces in same level, and the height of transducer body 2 bottom surfaces is higher than the height of two software sucker 4 bottom surfaces, open vacuum pump, regulate the pressure of vacuum pump, make software sucker 4 be adsorbed on object under test surface, now contraction spring 7 and deformation axle 6 shrink, transducer body 2 can be detected a flaw to body surface to be measured, keep the pressure of vacuum pump constant, can be equal to the measurement of carrying out ultrasonic signal under pressure to each measurement point of object under test.
Compared with prior art, the ultrasonic transducer fixation measuring device of the utility model design adopts the combination of vacuum pump and sucker, ultrasonic transducer is effectively adsorbed on and is measured on object, replaced manual operation, make the measurement of ultrasonic signal more convenient, accurate, guarantee that each measurement point is being equal to the measurement of carrying out ultrasonic signal under pressure.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to claim scope.
Claims (7)
1. a ultrasonic transducer fixation measuring device, it is characterized in that: comprise ultrasonic transducer body, transducer fixation kit and vacuum pump, described transducer fixation kit comprises fixed head, connecting pipe, software sucker and contraction spring, described transducer body is fixed on fixed head, described software sucker is fixed on fixed head by deformation axle, described contraction spring is set in outside deformation axle, and described vacuum pump is connected with software sucker by connecting pipe.
2. ultrasonic transducer fixation measuring device as claimed in claim 1, is characterized in that: described software sucker is two, and two suckers are symmetricly set on transducer body both sides.
3. ultrasonic transducer fixation measuring device as claimed in claim 1, is characterized in that: described deformation axle is fixed on fixed head by length expansion screw.
4. ultrasonic transducer fixation measuring device as claimed in claim 1, it is characterized in that: on described fixed head, offer a macropore and two apertures, described macropore is arranged on fixed head middle part, described aperture is symmetricly set on macropore both sides, described transducer body is fixed in macropore, and described deformation axle is fixed in aperture.
5. ultrasonic transducer fixation measuring device as claimed in claim 1, is characterized in that: the junction of described software sucker and deformation axle is provided with some O-ring seals.
6. ultrasonic transducer fixation measuring device as claimed in claim 1, is characterized in that: described transducer body end is provided with software plastics, is provided with groove in the middle of transducer body.
7. ultrasonic transducer fixation measuring device as claimed in claim 1, is characterized in that: on described transducer body, be provided with coarse section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271160.5U CN203849215U (en) | 2014-05-26 | 2014-05-26 | Ultrasonic transducer fixing and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271160.5U CN203849215U (en) | 2014-05-26 | 2014-05-26 | Ultrasonic transducer fixing and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849215U true CN203849215U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271160.5U Expired - Fee Related CN203849215U (en) | 2014-05-26 | 2014-05-26 | Ultrasonic transducer fixing and measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709517A (en) * | 2018-07-05 | 2018-10-26 | 深圳市安思科电子科技有限公司 | A kind of sonigauge easy to operation |
-
2014
- 2014-05-26 CN CN201420271160.5U patent/CN203849215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709517A (en) * | 2018-07-05 | 2018-10-26 | 深圳市安思科电子科技有限公司 | A kind of sonigauge easy to operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20150526 |
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| EXPY | Termination of patent right or utility model |