CN206270300U - A kind of weld seam detection voussoir, transducer and detection device - Google Patents
A kind of weld seam detection voussoir, transducer and detection device Download PDFInfo
- Publication number
- CN206270300U CN206270300U CN201621177315.4U CN201621177315U CN206270300U CN 206270300 U CN206270300 U CN 206270300U CN 201621177315 U CN201621177315 U CN 201621177315U CN 206270300 U CN206270300 U CN 206270300U
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- CN
- China
- Prior art keywords
- voussoir
- couplant
- passage
- weld seam
- transducer
- 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.)
- Expired - Fee Related
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model is related to a kind of weld seam detection voussoir, transducer and detection device, transducer is the important component of detection device, transducer includes the voussoir and probe, voussoir bottom offers the collecting tray for storing couplant, the couplant passage connected with collecting tray is offered inside voussoir, when in use, couplant is pressed into the collecting tray of voussoir bottom by couplant passage by coupling agent feeding device, continue in workpiece surface to be detected and be evenly coated with couplant, workpiece surface to be detected is kept to moisten all the time, improve detection rates and detection sensitivity.
Description
Technical field
The utility model is related to welding line detector field, more particularly to a kind of weld seam detection voussoir, transducer and weldering
Seam detection means.
Background technology
Dividing plate is one of important component of temperature of power plant steam turbine, for fixing stator blade and preventing interstage leakage.At present, vapour
Turbine dividing plate is processed using welding procedure, and the quality of dividing plate welding quality directly affects the security of steam turbine operation,
Therefore, the weld seam detection of dividing plate is even more important, and just the weld seam of dividing plate can be detected using detection device.
A kind of such as disclosed in the Chinese utility model patent of Patent No. 201521009025.4 detection device, should
Device includes scanning frame, probe and voussoir, and probe is fixed on voussoir, and both are collectively forming a special transducing of weld seam detection
Device, transducer is fixed on the fixed mount of the walking mechanism of scanning frame, and when using, detection device is adsorbed in baffle surface,
There is certain bonding force between voussoir and dividing plate, scanning frame carries transducer and walked on dividing plate, carries out to the weldering on dividing plate
Seam is detected；Certainly, transducer can also not resided on scanning frame but use Manual press operation.In detection process
In, need to coat one layer of couplant between the voussoir bottom surface of transducer and dividing plate, moisten baffle surface, it is ensured that voussoir and dividing plate
Between reach optimal couple state.And in the prior art when to dividing plate weld seam detection, using manually in the surface painting of dividing plate
Brush couplant, brushes easily occur that couplant brushing is uneven manually, easily occurs the feelings that dividing plate is not moistened locally during detection
Condition, in turn results in that detection sensitivity is low, and Detection results are poor.
Utility model content
The purpose of this utility model is to provide a kind of weld seam detection voussoir, is used to solve in the prior art using manual
Brush couplant exist couplant coating it is uneven, cause to detect insensitive technical problem.The purpose of this utility model also exists
In a kind of weld seam detection voussoir and detection device using the voussoir of offer.
To achieve the above object, the technical solution of the utility model is：
A kind of weld seam detection voussoir, including voussoir body, are provided with the couplant flowed into for couplant and lead in voussoir body
Road, the bottom of voussoir body offers the collecting tray for storing couplant, and the couplant passage is connected with the collecting tray.
The import of couplant passage is located at the top of voussoir body.
The internal thread segment for installing hose coupling is provided with the import of couplant passage.
Voussoir body bottom portion is provided with the pin for being prevented from voussoir abrasion.
A kind of weld seam detection transducer, including voussoir and the probe that is fixed at the top of voussoir, the voussoir include wedge
Block body, is provided with the couplant passage flowed into for couplant in voussoir body, the bottom of voussoir body is offered for storing coupling
The collecting tray of mixture, the couplant passage is connected with the collecting tray.
The import of couplant passage is located at the top of voussoir body.
Internal thread segment is provided with the import of couplant passage, use is provided with by the screw thread at the import of couplant passage
In the hose coupling being connected with coupling agent feeding device.
Voussoir body bottom portion is provided with the pin for being prevented from voussoir abrasion.
A kind of detection device, including scanning frame and transducer, transducer include voussoir and installed in voussoir top
Probe, the voussoir include voussoir body, be provided with voussoir body for couplant flow into couplant passage, voussoir body
Bottom offers the collecting tray for storing couplant, and the couplant passage is connected with the collecting tray, and couplant passage connects
It is connected to coupling agent feeding device.
Voussoir body bottom portion is provided with the pin for being prevented from voussoir abrasion.
The beneficial effects of the utility model are：Couplant passage is opened up inside voussoir, the bottom of voussoir opens up and can store up
The collecting tray of couplant is deposited, when in use, the import of couplant passage is connected with coupling agent feeding device, couples agent feeding device
To continuous in the collecting tray of voussoir bottom and be uniformly injected into couplant, to the demand of couplant when meeting detection, it is ensured that
In detection process, workpiece surface to be detected remains moisture state to detection device, improves the inspection of detection device
The rate that tests the speed and detection sensitivity.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of probe in the utility model detection device embodiment 1；
Fig. 2 is the front view of probe in the utility model detection device embodiment 1；
Fig. 3 is the upward view of Fig. 2；
Fig. 4 is the left view of Fig. 2；
Fig. 5 is the front view of voussoir in the utility model detection device embodiment 1；
Fig. 6 is the upward view of Fig. 5；
Fig. 7 is the left view of Fig. 5；
Fig. 8 is the interior chip array schematic diagram of probe in the utility model detection device embodiment 1.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of detection device of the present utility model, the detection device includes scanning frame and transducing
The structure of device, wherein scanning frame is prior art, and it includes walking mechanism, transducer fixed mount and encoder, and transducer is solid
It is scheduled on transducer fixed mount.When using, scanning frame carries transducer and is walked on dividing plate, and then the weld seam on dividing plate is carried out
Detection.
As shown in Figures 1 to 8, transducer mainly includes probe 1 and voussoir 2, and probe 1 includes probe matrix 11 and is located at
The head 12 of probe matrix front end, the bottom of matrix 11 of popping one's head in has the web portion for being connected with voussoir, and web portion is opened
It is provided with perforation 13.When using, probe 1 is connected by bolt with voussoir 2.In the present embodiment, probe 1 is detected for phased array linear array
Probe, the probe is made up of the small chip of multiple Rectangular piezoelectrics, and each small chip is arranged in the plane with small battle array away from linearly,
Chip array schematic diagram as shown in Figure 8, the acoustic beam incidence angle of each chip is identical, using identical focus on rule, by according to
Each unit in secondary excitation piezoelectric chip, formation along piezoelectric chip orientation sweep the ultrasonic wave acoustic beam of tea.
Voussoir 2 has protection probe and produces the effect of wave beam compensation of delay, and the voussoir uses Rexolite（Polyphenyl second
Alkene）Material is made, and its lateral location is carved with acoustic velocity of material.Voussoir 2 includes voussoir body, and voussoir bodies top is offered
The internal thread hole 21 corresponding with the perforation 13 on probe；The bottom of voussoir body offers the groove 22 of Long Circle, groove 22
Two are had, is respectively separated at two side positions for being arranged on voussoir bottom, two offered in voussoir body and is connected with groove 22
Through hole 23, the through-bore axis above-below direction extends, and the upper port of through hole 23 is located at the top of voussoir body, and lower port is located at wedge
In the groove 22 of block body bottom, the through hole 23 constitutes the couplant passage passed through for couplant, and the groove 22 is constituted
Collecting tray for storing couplant.The upper port of through hole 23 is the import of couplant passage, and in the present embodiment, couplant leads to
Internal thread segment is provided with the import in road, voussoir body is connected with hose coupling 4 by the internal thread segment.The detection device
Also include coupling agent feeding device, hose coupling 4 is connected by flexible pipe with coupling agent feeding device, when using, couplant supply
By couplant passage be pressed into the collecting tray of voussoir bottom couplant by device, and a certain amount of coupling can be stored in collecting tray
Agent, can be continuously and uniform in baffle surface coating couplant in detection process, it is ensured that baffle surface is all the time in moistening
State.
In the present embodiment, the corner of voussoir body offers four perforation 24 along the vertical direction, is set at the lower port of perforation
There is internal thread segment, pin 5 has been screwed by internal thread segment, pin 5 can play a part of to prevent voussoir from wearing and tearing, using preceding, can
The length that pin stretches out perforation is adjusted manually with according to the couplant of live workpiece surface situation to be detected and different performance, makes wedge
Block can reach Best Coupling state with workpiece surface to be detected.
In other embodiments, the import of couplant passage can also be opened in voussoir side；Transducer can be with uneasiness
On scanning frame, detected by manpower manual operation transducer during detection.
The utility model detection device voussoir, the embodiment of transducer, voussoir, transducer structure as described above,
To avoid repeating, will not be repeated here.
Claims (10)
1. a kind of weld seam detection voussoir, including voussoir body, it is characterised in that：It is provided with what is flowed into for couplant in voussoir body
Couplant passage, the bottom of voussoir body offers the collecting tray for storing couplant, the couplant passage and the remittance
Chute is connected.
2. weld seam detection voussoir according to claim 1, it is characterised in that：The import of couplant passage is located at voussoir sheet
The top of body.
3. weld seam detection voussoir according to claim 1 and 2, it is characterised in that：It is provided with the import of couplant passage
Internal thread segment for installing hose coupling.
4. weld seam detection voussoir according to claim 1 and 2, it is characterised in that：Voussoir body bottom portion is provided with can be prevented
The pin that only voussoir weares and teares.
5. a kind of weld seam detection transducer, including voussoir and the probe being fixed at the top of voussoir, the voussoir include voussoir
Body, it is characterised in that：The couplant passage flowed into for couplant is provided with voussoir body, the bottom of voussoir body offers use
In the collecting tray of storage couplant, the couplant passage is connected with the collecting tray.
6. weld seam detection transducer according to claim 5, it is characterised in that：The import of couplant passage is located at voussoir
The top of body.
7. the weld seam detection transducer according to claim 5 or 6, it is characterised in that：Set at the import of couplant passage
There is internal thread segment, the flexible pipe for being connected with coupling agent feeding device is provided with by the screw thread at the import of couplant passage
Joint.
8. the weld seam detection transducer according to claim 5 or 6, it is characterised in that：Voussoir body bottom portion is provided with can
The pin for preventing voussoir from wearing and tearing.
9. a kind of detection device, including scanning frame and transducer, transducer include voussoir and at the top of voussoir
Probe, the voussoir includes voussoir body, it is characterised in that：The couplant passage flowed into for couplant is provided with voussoir body,
The bottom of voussoir body offers the collecting tray for storing couplant, and the couplant passage is connected with the collecting tray, coupling
Mixture passage is connected with coupling agent feeding device.
10. detection device according to claim 9, it is characterised in that：Voussoir body bottom portion is provided with and is prevented from wedge
The pin of block abrasion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177315.4U CN206270300U (en) | 2016-10-27 | 2016-10-27 | A kind of weld seam detection voussoir, transducer and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177315.4U CN206270300U (en) | 2016-10-27 | 2016-10-27 | A kind of weld seam detection voussoir, transducer and detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270300U true CN206270300U (en) | 2017-06-20 |
Family
ID=59037809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177315.4U Expired - Fee Related CN206270300U (en) | 2016-10-27 | 2016-10-27 | A kind of weld seam detection voussoir, transducer and detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770682A (en) * | 2016-12-19 | 2017-05-31 | 内蒙古北方重工业集团有限公司 | A kind of ultrasonic probe of automatic filling couplant |
| CN108088915A (en) * | 2017-10-31 | 2018-05-29 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | A kind of non-destructive ultrasonic detects voussoir |
| CN112083079A (en) * | 2020-09-30 | 2020-12-15 | 西安天力金属复合材料股份有限公司 | Ultrasonic detection device with couplant smearing function and use method thereof |
-
2016
- 2016-10-27 CN CN201621177315.4U patent/CN206270300U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770682A (en) * | 2016-12-19 | 2017-05-31 | 内蒙古北方重工业集团有限公司 | A kind of ultrasonic probe of automatic filling couplant |
| CN108088915A (en) * | 2017-10-31 | 2018-05-29 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | A kind of non-destructive ultrasonic detects voussoir |
| CN112083079A (en) * | 2020-09-30 | 2020-12-15 | 西安天力金属复合材料股份有限公司 | Ultrasonic detection device with couplant smearing function and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20191027 |