CN208206836U - A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection - Google Patents
A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection Download PDFInfo
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- CN208206836U CN208206836U CN201820761129.8U CN201820761129U CN208206836U CN 208206836 U CN208206836 U CN 208206836U CN 201820761129 U CN201820761129 U CN 201820761129U CN 208206836 U CN208206836 U CN 208206836U
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- Prior art keywords
- temperature pipe
- mounting rack
- alpha ray
- track
- alpha
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- 230000005260 alpha ray Effects 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 25
- 238000003384 imaging method Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 23
- 210000000078 claw Anatomy 0.000 claims description 15
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model discloses a kind of alpha ray non-destructive testing devices for high-temperature pipe flaw detection, it is related to technical field of nondestructive testing, aim to solve the problem that the prior art is difficult to be suitable for detection high-temperature pipe, technical points are: including alpha ray defectoscope, the alpha ray defectoscope is arranged on high-temperature pipe by detecting tool, the detecting tool includes the track being disposed around on high-temperature pipe outer wall, the track side is equipped with the first mounting rack slid along track, the track is equipped with the second mounting rack with respect to the first mounting rack side, first mounting rack is connect with the second mounting rack by drive transmission device；The alpha ray defectoscope includes the alpha-emitter being set in the first mounting rack and the imaging film that is set in the second mounting rack.Even if the utility model tested pipeline is in the condition of high temperature, alpha ray detection can be carried out, still to achieve the purpose that not shut down, not cool down, energy saving.
Description
Technical field
The utility model relates to technical field of nondestructive testing more particularly to it is a kind of for high-temperature pipe flaw detection alpha ray without
Damage detection device.
Background technique
Radiographic inspection is detected in checking matter and is lacked using the difference of alpha ray strength retrogression when penetrating checking matter each section
A kind of sunken lossless detection method.It is using between the density of the strong principle detection metal of alpha ray penetrability or casting, thickness
It is no to have differences, to test the manufacturing deficiency of checking matter.
Existing Authorization Notice No. is that the Chinese patent of CN206573499U discloses a kind of pipeline girth weld non-destructive testing dress
It sets, includes support frame including the launcher being located in pipeline and the driving device outside pipeline, the driving device, the branch
Support is equipped with driving motor, and the output shaft of the driving motor is equipped with pinion gear, and the pipeline external is arranged with and small tooth
Take turns the gear wheel of engagement, the gear wheel is equipped with the receiver that rotates together with gear wheel, the gear wheel be equipped with
The first strong magnet for rotating together of gear wheel, the launcher be equipped with the rotating bar at middle part and launcher rotation connection, institute
The one end for stating rotating bar is equipped with and the second attracting strong magnet of the first strong magnet, and the other end of the rotating bar is equipped with towards reception
The X-ray emitter of device transmitting X-ray.
The program rotates synchronously gear wheel and rotating bar by attracting the first strong magnet and the second strong magnet, with reality
The non-destructive testing of existing pipeline, but this structure will affect magnetism because magnet is heated, not be suitable for detecting high-temperature pipe.
Utility model content
The purpose of the utility model is to provide a kind of alpha ray non-destructive testing devices for high-temperature pipe flaw detection, even if by
Test tube road is in the condition of high temperature, can be carried out alpha ray detection, still to achieve the purpose that not shut down, not cool down, energy saving.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection, including alpha ray defectoscope, the alpha ray flaw detection
Machine is arranged on high-temperature pipe by detecting tool, and the detecting tool includes the track being disposed around on high-temperature pipe outer wall, institute
It states track side and is equipped with the first mounting rack slid along track, the track is equipped with the second installation with respect to the first mounting rack side
Frame, first mounting rack are connect with the second mounting rack by drive transmission device；
The alpha ray defectoscope includes the alpha-emitter being set in the first mounting rack and is set to the second mounting rack
Interior imaging film.
By using above-mentioned technical proposal, track is set in high-temperature pipe outer wall, and alpha-emitter is placed to first
Mounting rack, then imaging film is pasted into the second mounting rack, so that the first mounting rack is oppositely arranged on the second mounting rack
On track, after penetrating high-temperature pipe by alpha-emitter sending ray, it can be imaged on imaging film, with complete twin conduit
The figure collecting work of weld seam；Meanwhile will test tooling and be integrally provided in pipeline outer wall, be because pipeline in generally than pipeline outside
Temperature is high, is unfavorable for the raising of detection accuracy, in order to detect after cooling down.
Further, thermal insulation layer is equipped between the imaging film and high-temperature pipe tube wall, the thickness of the thermal insulation layer is small
In 5mm.
By using above-mentioned technical proposal, thermal insulation layer is set between imaging film and high-temperature pipe tube wall, when making exposure
Interior imaging film is maintained at relatively low temperature, reduces influence of the temperature to image sensitivity.
Further, first mounting rack includes the heat insulation shell being set on alpha-emitter, the heat insulation shell
Both ends are respectively equipped with end ring, and two are hinged on the end ring and is located at ipsilateral connecting rod, the connecting rod is far from end ring one
End, which is hinged with, is arranged scroll wheel in orbit.
By using above-mentioned technical proposal, the heat insulation shell for protection is arranged on alpha-emitter, and in heat-insulating housing
The two sides end ring position of body enables alpha-emitter along track in high-temperature pipe outer wall by connecting rod hinged rolling wheel
It is free to slide, while sliding in the detection process more stable, it is not easy overturning and falls, and the position of connecting rod can change,
To be suitable for the high-temperature pipe of different tube diameters.
Further, second mounting rack includes the imaging plate for placing imaging film, and the imaging board ends are equipped with embedding
If claw in orbit, connected between the claw by tension spring.
By using above-mentioned technical proposal, imaging plate is attached on track by the claw on imaging plate, so that imaging
Plate can cooperate alpha-emitter to slide in high-temperature pipe outer wall, be applicable to the high-temperature pipe of different tube diameters.
Further, the drive transmission device includes being set on high-temperature pipe tube wall and positioned at the outer of track side
Tooth, and the imaging plate is equipped with driving motor, and the output shaft of the driving motor is equipped with the connection that is meshed with external tooth
Gear.
By using above-mentioned technical proposal, the driving motor on imaging plate is opened, makes external tooth and gear engaged transmission, thus
Driving force is provided for this alpha ray non-destructive testing device, can control the velocity and acceleration of driving motor rotation, on the one hand to reach
The purpose of speed regulation；On the other hand, gear engaged transmission has mechanical efficiency high, and the service life is long, and functional reliability is high, applicable circumference
The features such as speed and wider power bracket.
Further, the drive transmission device further includes curved rod, and the curved rod both ends are equipped with fixed plate, two institutes
It states fixed plate and passes through bolt respectively and be fixedly connected with heat insulation shell and imaging plate.
By using above-mentioned technical proposal, after driving motor movement, to guarantee that imaging plate and alpha-emitter can be together
It moves and keeps relative position constant, curved rod is connected between heat insulation shell and imaging plate, to complete pipeline inspection acquisition work
Make, and in curved rod both ends setting fixed plate in order to Fast Installation.
Further, the track includes two sections of semicircle rail bodies being bolted, two sections of outer circles of the rail body
Place is equipped with mounting groove, and the side wall of the mounting groove is equipped with threaded hole.
By using above-mentioned technical proposal, track is arranged to the sliceable rail body in both ends, can in-orbit body be stitched together
Afterwards, locking is fixed at threaded hole with bolt.
Further, the caulking groove for scroll wheel, claw sliding is provided on the rail body, the two sidewalls of the caulking groove are equipped with
Spring, the spring are equipped with tensioning plate.
It, can be with the tensioning of two inner wall of caulking groove when scroll wheel, claw are installed on track by using above-mentioned technical proposal
Plate occurs elasticity and contradicts, and is not in the phenomenon that alpha ray non-destructive testing device falls off when being allowed to slide along high-temperature pipe.
In conclusion the utility model has the following beneficial effects:
1, it being integrally provided in pipeline outer wall by will test tooling, is because generally higher than temperature outside pipeline in pipeline, no
Conducive to the raising of detection accuracy, to be suitable for high-temperature pipe of the operating temperature between 200 DEG C to 300 DEG C, convenient for being examined after cooling
It surveys；
2, protect the imaging film in the time for exposure by setting heat insulation shell and thermal insulation layer to protect alpha ray defectoscope
It holds in relatively low temperature, reduces influence of the temperature to image sensitivity.
Detailed description of the invention
Fig. 1 is a kind of knot that the alpha ray non-destructive testing device for high-temperature pipe flaw detection is mounted on pipeline of the present embodiment
Structure schematic diagram；
Fig. 2 is a kind of overall structure diagram of the alpha ray non-destructive testing device for high-temperature pipe flaw detection of the present embodiment；
Fig. 3 is the enlarged diagram of part A in Fig. 2；
Fig. 4 is a kind of partial structure diagram of the alpha ray non-destructive testing device for high-temperature pipe flaw detection of the present embodiment.
In figure, 1, alpha ray defectoscope；11, alpha-emitter；12, imaging film；13, thermal insulation layer；2, detecting tool；
21, track；211, rail body；212, mounting groove；213, threaded hole；214, caulking groove；215, spring；216, tensioning plate；22, the first peace
It shelves；221, heat insulation shell；222, end ring；223, connecting rod；224, scroll wheel；23, the second mounting rack；231, imaging plate；
232, claw；233, tension spring；3, drive transmission device；31, external tooth；32, driving motor；33, gear；34, curved rod；35, solid
Fixed board.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection, as shown in Figure 1, include alpha ray defectoscope 1, it should
Alpha ray defectoscope 1 is arranged on high-temperature pipe by detecting tool 2, after the ray issued from alpha ray source penetrates high-temperature pipe,
It is received to form a secondary ray image containing pipeline internal state information, so as to incoming computer for observation analysis processing.
For the high-temperature pipe suitable for operating temperature between 200 DEG C to 300 DEG C, as shown in Figure 1, detecting tool 2 includes
The track 21 being disposed around on high-temperature pipe outer wall, 21 side of track are equipped with the first mounting rack 22 slid along track 21, and rail
Road 21 is equipped with the second mounting rack 23 with respect to 22 side of the first mounting rack, and first mounting rack 22 and the second mounting rack 23 pass through drive
Dynamic transmission mechanism 3 connects；Meanwhile alpha ray defectoscope 1 includes the alpha-emitter 11 being arranged in the first mounting rack 22 and sets
Set the imaging film 12 in the second mounting rack 23.Therefore, after penetrating high-temperature pipe by the sending ray of alpha-emitter 11,
It can be imaged on imaging film 12, to complete the figure collecting work to pipeline-weld.Unlike the prior art, it will test
Tooling 2 is integrally provided in pipeline outer wall, on the other hand, generally warmer than outside pipeline in pipeline on the one hand in order to detect after cooling down
Degree is high, is unfavorable for the raising of detection accuracy.
As shown in Figure 1, imaging film 12 is connected to high-temperature pipe outer wall, but the film of general ray detection can only be born
Room temperature, high temperature can have an adverse effect to 12 mass of imaging film, for example cannot bear high temperature and can deform, or imaging glue
Fog density increases caused by silver bromide grain on piece 12 is decomposed because of high temperature.Therefore, in imaging film 12 and high-temperature pipe pipe
Thermal insulation layer 13 is set between wall, and the thickness of thermal insulation layer 13 is less than 5mm, the imaging film in the time for exposure is made to be maintained at relatively low
Temperature, reduce influence of the temperature to image sensitivity.Specifically, thermal insulation layer 13 is provided with outward from close to high-temperature pipe side
It five layers, respectively is polyester fiber non-thermoplastic cloth press mold, high temperature resistant silica gel, glass fibre felt liner, high temperature resistant silica gel, gathers
Ester fiber non-thermoplastic cloth press mold.
As shown in Fig. 2, the first mounting rack 22 includes the heat insulation shell 221 being set on alpha-emitter 11, protected with playing
The effect of alpha-emitter 11 is protected, and is respectively arranged with end ring 222 at 221 both ends of heat insulation shell, two sides end ring 222 is cut with scissors
It is connected to two and is located at ipsilateral connecting rod 223, each connecting rod 223 is hinged with far from 222 one end of end ring to be arranged on track 21
Scroll wheel 224 so that alpha-emitter 11 can be free to slide in high-temperature pipe outer wall along track 21, at the same
It slides more stable in detection process, is not easy overturning and falls, and the position of connecting rod 223 can change, and then be suitable for not
With the high-temperature pipe of caliber.
As shown in Figure 2 and Figure 4, imaging plate 231 of second mounting rack 23 including placing imaging film 12,231 liang of imaging plate
End is equipped with the claw 232 being embedded on track 21, so that claw 232 is attached on track 21, imaging plate 231 is matched
It closes alpha-emitter 11 to slide in high-temperature pipe outer wall, and is connected between two claws 232 by tension spring 233, is applicable to not
With the high-temperature pipe of caliber.
As shown in Figure 1, drive transmission device 3 includes the external tooth for being set on high-temperature pipe tube wall and being located at 21 side of track
31, and driving motor 32 is installed on imaging plate 231, it is provided on the output shaft of the driving motor 32 and is meshed with external tooth 31
The gear 33 of connection.Driving motor 32 is opened, makes 33 engaged transmission of external tooth 31 and gear, to fill for the non-destructive testing of this alpha ray
Offer driving force, the velocity and acceleration that on the one hand driving motor 32 can control to rotate, to achieve the purpose that speed regulation are provided；Another party
Face, gear engaged transmission have mechanical efficiency high, and the service life is long, and functional reliability is high, applicable peripheral speed and power bracket compared with
The features such as wide.
As shown in Fig. 2, drive transmission device 3 further includes the curved rod 34 of connection, to set at the both ends of curved rod 34
Fixed plate 35 is set, so that two fixed plates 35 are fixedly connected by bolt with heat insulation shell 221 and imaging plate 231 respectively.Therefore, exist
After driving motor 32 acts, imaging plate 231 and alpha-emitter 11 can move together and keep relative position constant, to complete
Pipeline inspection collecting work.
As shown in Figures 2 and 3, track 21 includes two sections of semicircle rail bodies 211 being bolted, two sections of rail bodies 211
Mounting groove 212 is offered at the outer circle of respective end, the side wall of mounting groove 212 is equipped with threaded hole 213.Therefore, rail body 211
When being stitched together, fixed by playing bolt at threaded hole 213.
As shown in Figures 2 and 3, the caulking groove 214 for scroll wheel 224, the sliding of claw 232, caulking groove 214 are provided on rail body 211
Two sidewalls on be provided with spring 215, tensioning plate 216 is provided on spring 215.When scroll wheel 224, claw 232 are installed to rail
When on road 21, is contradicted with 216 elasticity of tensioning plate of 214 liang of inner walls of caulking groove, be not in that α is penetrated when being allowed to slide along high-temperature pipe
The phenomenon that line non-destructive testing device falls off.
The installation process and working principle of the utility model: two sections of tracks 21 are bolted on high-temperature pipe,
Scroll wheel 224, claw 232 are embedded on track 21 again, connected between the first mounting rack 22 and the second mounting rack 23 therewith
Curved rod 34 is fixed, finally puts alpha-emitter 11 and imaging film 12；
In use, opening driving motor 32, alpha-emitter 11 projects alpha ray to pipeline, and by pipeline internal state
Information is transmitted on imaging film 12, to complete the figure collecting work to pipeline-weld.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection, including alpha ray defectoscope (1), the alpha ray are visited
Hurt machine (1) to be arranged on high-temperature pipe by detecting tool (2), it is characterised in that: the detecting tool (2) includes being disposed around height
Track (21) on warm pipeline outer wall, track (21) side are equipped with the first mounting rack (22) slid along track (21), institute
It states track (21) and is equipped with the second mounting rack (23) with respect to the first mounting rack (22) side, first mounting rack (22) and the second peace
(23) are shelved to connect by drive transmission device (3)；
The alpha ray defectoscope (1) includes the alpha-emitter (11) that is set in the first mounting rack (22) and is set to second
Imaging film (12) in mounting rack (23).
2. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 1, it is characterised in that:
Thermal insulation layer (13) are equipped between the imaging film (12) and high-temperature pipe tube wall, the thickness of the thermal insulation layer (13) is less than 5mm.
3. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 1, it is characterised in that:
First mounting rack (22) includes the heat insulation shell (221) being set on alpha-emitter (11), the heat insulation shell
(221) both ends are respectively equipped with end ring (222), and two are hinged on the end ring (222) and is located at ipsilateral connecting rod (223),
The connecting rod (223) is hinged with the scroll wheel (224) being arranged on track (21) far from end ring (222) one end.
4. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 3, it is characterised in that:
Second mounting rack (23) includes the imaging plate (231) for placing imaging film (12), and imaging plate (231) both ends are equipped with embedding
The claw (232) being located on track (21) is connected by tension spring (233) between the claw (232).
5. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 4, it is characterised in that:
The drive transmission device (3) includes the external tooth (31) for being set on high-temperature pipe tube wall and being located at track (21) side, and
The imaging plate (231) is equipped with driving motor (32), and the output shaft of the driving motor (32) is equipped with and external tooth (31) phase
Engage the gear (33) of connection.
6. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 5, it is characterised in that:
The drive transmission device (3) further includes curved rod (34), and curved rod (34) both ends are equipped with fixed plate (35), described in two
Fixed plate (35) is fixedly connected by bolt with heat insulation shell (221) and imaging plate (231) respectively.
7. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 6, it is characterised in that:
The track (21) includes two sections of semicircle rail bodies (211) being bolted, and is set at two sections of outer circles of the rail body (211)
Have mounting groove (212), the side wall of the mounting groove (212) is equipped with threaded hole (213).
8. a kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection according to claim 7, it is characterised in that:
The caulking groove (214) for scroll wheel (224), claw (232) sliding, the two sides of the caulking groove (214) are provided on the rail body (211)
Wall is equipped with spring (215), and the spring (215) is equipped with tensioning plate (216).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761129.8U CN208206836U (en) | 2018-05-21 | 2018-05-21 | A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761129.8U CN208206836U (en) | 2018-05-21 | 2018-05-21 | A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection |
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| Publication Number | Publication Date |
|---|---|
| CN208206836U true CN208206836U (en) | 2018-12-07 |
Family
ID=64518848
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761129.8U Expired - Fee Related CN208206836U (en) | 2018-05-21 | 2018-05-21 | A kind of alpha ray non-destructive testing device for high-temperature pipe flaw detection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361402A (en) * | 2019-08-08 | 2019-10-22 | 丹东华日理学电气有限公司 | A kind of line scan-type X-ray pipeline digital imaging detection device for detecting |
| CN110887851A (en) * | 2019-12-26 | 2020-03-17 | 泰州市诚安无损检测有限公司 | X-ray flaw detection device |
| CN112903725A (en) * | 2021-01-21 | 2021-06-04 | 刘建文 | Alpha-ray nondestructive testing device for high-temperature pipeline flaw detection |
| CN113833455A (en) * | 2021-11-30 | 2021-12-24 | 西安石油大学 | Portable wellhead oil pipe damage detection device |
| CN114062395A (en) * | 2021-11-18 | 2022-02-18 | 江苏科技大学 | Alpha-ray nondestructive testing device for high-temperature pipeline flaw detection |
| CN117990777A (en) * | 2024-04-03 | 2024-05-07 | 山东瑞祥检测有限公司 | Portable magnetic powder nondestructive test device |
| CN117990777B (en) * | 2024-04-03 | 2024-07-05 | 山东瑞祥检测有限公司 | Portable magnetic powder nondestructive test device |
-
2018
- 2018-05-21 CN CN201820761129.8U patent/CN208206836U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361402A (en) * | 2019-08-08 | 2019-10-22 | 丹东华日理学电气有限公司 | A kind of line scan-type X-ray pipeline digital imaging detection device for detecting |
| CN110887851A (en) * | 2019-12-26 | 2020-03-17 | 泰州市诚安无损检测有限公司 | X-ray flaw detection device |
| CN110887851B (en) * | 2019-12-26 | 2022-04-05 | 泰州市诚安无损检测有限公司 | X-ray flaw detection device |
| CN112903725A (en) * | 2021-01-21 | 2021-06-04 | 刘建文 | Alpha-ray nondestructive testing device for high-temperature pipeline flaw detection |
| CN114062395A (en) * | 2021-11-18 | 2022-02-18 | 江苏科技大学 | Alpha-ray nondestructive testing device for high-temperature pipeline flaw detection |
| CN114062395B (en) * | 2021-11-18 | 2024-04-19 | 江苏科技大学 | Alpha ray nondestructive testing device for high-temperature pipeline flaw detection |
| CN113833455A (en) * | 2021-11-30 | 2021-12-24 | 西安石油大学 | Portable wellhead oil pipe damage detection device |
| CN113833455B (en) * | 2021-11-30 | 2022-03-15 | 西安石油大学 | Portable wellhead oil pipe damage detection device |
| CN117990777A (en) * | 2024-04-03 | 2024-05-07 | 山东瑞祥检测有限公司 | Portable magnetic powder nondestructive test device |
| CN117990777B (en) * | 2024-04-03 | 2024-07-05 | 山东瑞祥检测有限公司 | Portable magnetic powder nondestructive test device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |