CN207379986U - A kind of field pipes failure detector - Google Patents
A kind of field pipes failure detector Download PDFInfo
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- CN207379986U CN207379986U CN201721476615.7U CN201721476615U CN207379986U CN 207379986 U CN207379986 U CN 207379986U CN 201721476615 U CN201721476615 U CN 201721476615U CN 207379986 U CN207379986 U CN 207379986U
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- failure detector
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Abstract
The utility model discloses a kind of field pipes failure detector, its key points of the technical solution are that：Including be arranged at pipeline external surface for the pipeline that is fixedly clamped supporting mechanism, be arranged at be used on the supporting mechanism first walking mechanism rotated along pipeline external surface, be arranged in the first walking mechanism for the x-ray flaw detector that is fixedly clamped fixed mechanism and be arranged at described supporting mechanism one end for the second walking mechanism that the supporting mechanism is controlled walk along pipeline external surface, be provided on the supporting mechanism and multiple setting abutted with pipeline external surface for reducing the supporting mechanism and the idler wheels of pipeline outer wall friction；Using first walking mechanism x-ray flaw detector along pipeline can be rotated along pipe lengths stabilized walking and walk, the abrasion of supporting mechanism and pipeline outer wall is reduced using idler wheel by supporting mechanism and the second walking mechanism x-ray flaw detector.
Description
Technical field
The utility model is related to pipeline inspection equipment technical field, more specifically, it relates to which a kind of field pipes are detected a flaw
Device.
Background technology
During pipeline construction, in order to ensure construction quality, every one of weld seam will carry out nondestructive inspection.Most common spy
Hinder equipment as x-ray flaw detector.Since construction often works to tight deadlines, it is impossible to be carried out again after the weld seam detection of all pipelines
Installation after being typically Pipe installing, then detects a flaw to pipeline-weld.When carrying out x-ray inspection to pipeline, pipeline
On every weld seam at least to make film 6 times, i.e., at least choose weld seam 6 positions detect a flaw.And x-ray flaw detector is in pipeline
It is upper mobile inconvenient, detection speed is seriously constrained, flaw detection efficiency is low.Testing staff pole during mobile x-ray flaw detector
Security incident easily occurs, and X-ray has certain radiation to human body, and for testing staff, flaw detection work exists certain
Danger.Site Detection personnel cannot directly hand-held X-ray defectoscope detect a flaw, and general use uses x-ray flaw detector
Nylon belt is tied up on pipeline, and nylon belt is once unlocked in film making afterwards and mobile x-ray flaw detector is consolidated once, then with nylon belt
Surely x-ray flaw detector is lived to make film.So Xun Huan, due to manual operation, flaw detection is extremely inefficient.For how to realize to pipeline
The comprehensive flaw detection of weld seam, and flaw detection efficiency is improved, it is a technical barrier.
The Chinese patent of Publication No. CN105699405A discloses a kind of field pipes failure detector, including supporting rack,
Track and walking mechanism, the supporting rack are mounted on pipe under test outer surface, and the track installation is described on supporting rack
Walking mechanism between track and pipe under test.
It is provided by supporting rack to whole device and stablizes support, especially improve supporting point, track and vehicle with walking machine to track
The combination of structure makes X-ray production apparatus freely detour in pipe under test outer surface, and X-ray production apparatus is facilitated to find flaw detection position accurately, improves flaw detection effect
Rate；But according to former patent specification and Figure of description, X-ray production apparatus is driven along pipe walking using walking mechanism
When, abrasion is easily caused between supporting rack meeting and pipeline outer wall, it is relatively low so as to cause service life, it is unfavorable for promoting the use of.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of field pipes failure detector,
With not easily causing abrasion, the effect of service life length.
To achieve the above object, the utility model provides following technical solution：
A kind of field pipes failure detector, including be arranged at pipeline external surface for be fixedly clamped pipeline supporting mechanism,
It is arranged at and the first walking mechanism rotated along pipeline external surface is used on the supporting mechanism, is arranged at the first walking mechanism
On for the x-ray flaw detector that is fixedly clamped fixed mechanism and be arranged at described supporting mechanism one end for controlling the branch
The second walking mechanism that support mechanism is walked along pipeline external surface is provided on the supporting mechanism and multiple is abutted with pipeline external surface
It sets for reducing the idler wheel to rub between the supporting mechanism and pipeline outer wall.
So set, x-ray flaw detector is arranged on pipeline external surface using supporting mechanism, using fixed mechanism so that
X-ray flaw detector preserves the stable equilibrium with supporting mechanism, enables x-ray flaw detector endless tube road table using first walking mechanism
Face is rotated so that x-ray flaw detector can be adjusted to suitable operating position, enables to prop up using the second walking mechanism
Support mechanism is walked along pipe lengths so that x-ray flaw detector can be moved to next position and detect a flaw, and utilize idler wheel
Sliding friction between supporting rack and pipeline outer wall is converted into rolling friction, reduces abrasion between the two, improving makes
Use the service life.
Further set：The supporting mechanism includes the supporting rack and multiple set respectively that two endless tube pipeline outer walls set
In on two support frames as described above and being directed toward the first cylinder that pipeline axis direction sets, the idler wheel is fixedly connected on first gas
On the piston rod of cylinder.
So set, the outer wall for enabling to supporting rack and different size pipeline using the first cylinder can retaining clip fastening
Determine effect so that without adapting to different size of pipeline by replacing different size of supporting rack.
Further set：Second walking mechanism includes being arranged at the supporting rack, Duo Geshe of described supporting mechanism one end
Be placed on the support frame as described above and be directed toward pipeline axis direction set for clamping pipe outer wall the first cylinder and multiple set
It is placed on the support frame as described above and piston rod is fixedly connected to control the supporting mechanism long along pipeline with the supporting mechanism
Spend the second cylinder of direction sliding.
So set, using the first cylinder enable the second walking mechanism with pipeline outer wall at any time be kept fixed clamping with
And relaxation, when the second walking mechanism clamping pipe outer wall, slid by the second cylinder supporting mechanism on pipeline outer wall,
So that x-ray flaw detector slides onto assigned work position.
Further set：The first cylinder that support frame as described above is equipped with and the second cylinder being arranged in the second walking mechanism
Quantity is equal, and first number of cylinders that is equipped with of single supporting rack or the second number of cylinders are no less than three, single
The distance between adjacent two first cylinder or adjacent two second cylinder are equal on supporting rack.
It is arranged such, it can be ensured that the stabilization of supporting mechanism and the second walking mechanism, it is ensured that field pipes failure detector
It is safe to use.
Further set：It is arranged on the piston rod of first cylinder in second walking mechanism and is both provided with use
In the rubber pad for preventing that pipeline external surface from damaging.
So set, when causing fixed frame fixed clamp pipeline outer wall using the first cylinder, the piston rod meeting of the first cylinder
One chucking power is applied to pipeline outer wall, the chucking power on piston rod can be avoided to act directly on pipeline outer wall using rubber pad
On, it prevents from leaving indentation on pipeline outer wall.
Further set：The first walking mechanism includes being respectively arranged on two support frame as described above opposite sides and endless tube
The endless glide and slide the movable part being connected in two endless glides respectively that pipeline outer wall is set.
So set, the movable part that sliding is connected in two endless glides using two endless glides and respectively can
X-ray flaw detector endless tube road to be controlled to move, it is ensured that x-ray flaw detector can carry out pipeline detection in all directions.
Further set：Two endless glides include two symmetrically arranged semi-circular shape slides, two semicircular rings
It is bolted to connection between shape slide, support frame as described above includes two symmetrically arranged semi-circular shape retainer plates, described in two
It is bolted to connection between semi-circular shape retainer plate.
So set, convenient for endless glide, supporting rack and fixed frame it is direct a pipeline part is assembled and
Dismounting so that the field pipes failure detector could be used that on the pipeline of closure.
Further set：The fixed mechanism includes the bearing frame, the Yi Jitao that are fixedly connected on two movable parts
The fixed frame being fixedly connected on the bearing frame with the bearing frame, the cross sectional shape and global shape of the bearing frame are equal
For Contraband shape, the both ends of the bearing frame are set away from the pipeline center of circle.
So set, the both ends of x-ray flaw detector have on one side convenient for the end ring of holding, by x-ray flaw detector both ends
In end ring insertion bearing frame, and prevent x-ray flaw detector from dropping when rotating using fixed frame.
Further set：The two sides of two bearing frames are both provided with multiple tracks fixing bolt, and the two of two fixed frames
Side is both provided with the first sliding groove for fixing bolt sliding.
So set, when placing fixed frame, the first sliding groove on fixed frame along fixing bolt is slid, places fixation
After frame, fixed frame is being tightened on bearing frame by fixing bolt.
Further set：The opposite one side of two bearing frames is plugged with for stable holding x-ray flaw detector end ring
Adjusting bolt, two fixed frames it is opposite be provided on one side for the adjusting bolt sliding the second sliding slot.
So set, it is moved by turning adjusting bolt adjusting bolt towards end ring direction, so that adjusting bolt
It is against on end ring, and further rotates adjusting bolt, end ring is enable firmly to be clamped between adjusting bolt and bearing frame
And it is not easy to loosen x-ray flaw detector.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：Pass through supporting mechanism and the second row
It walks mechanism and enables x-ray flaw detector along pipe lengths stabilized walking, using first walking mechanism so that x-ray inspection
Machine can be rotated along pipeline and walked, and the abrasion of supporting mechanism and pipeline outer wall is reduced using idler wheel；Using bearing frame and admittedly
Determining frame ensures x-ray flaw detector steady operation；Supporting mechanism, the second walking mechanism and first walking mechanism are detachably connected
Pipeline flaw detection device is suitable on closed conduct so that there is larger use scope.
Description of the drawings
Fig. 1 is the structure diagram of field pipes failure detector；
Fig. 2 is the structure diagram of the supporting mechanism of field pipes failure detector；
Fig. 3 is the first walking mechanism of field pipes failure detector and the structure diagram of fixed mechanism；
Fig. 4 is the structure diagram of the second walking mechanism of field pipes failure detector.
In figure：1st, pipeline；2nd, x-ray flaw detector；21st, end ring；3rd, supporting mechanism；31st, supporting rack；311st, semi-circular shape is solid
Fixed circle；32nd, the first cylinder；33rd, idler wheel；4th, the second walking mechanism；41st, the second cylinder；42nd, rubber pad；5th, first walking mechanism；
51st, endless glide；511st, semi-circular shape slide；52nd, movable part；6th, fixed mechanism；61st, bearing frame；611st, fixing bolt；
62nd, fixed frame；621st, the first sliding groove；622nd, the second sliding slot；63rd, adjusting bolt.
Specific embodiment
1 failure detector of field pipes is described further referring to figs. 1 to Fig. 4.
A kind of 1 failure detector of field pipes, as shown in Figure 1, including being sheathed on 1 outer wall of pipeline for fixed clamp pipeline 1
Supporting mechanism 3, be arranged on supporting mechanism 3 and 1 outer wall of endless tube road set for along 1 outer surface of pipeline rotates first walk
Mechanism 5 is arranged in first walking mechanism 5 for fixed clamp x-ray flaw detector 2 in the fixation machine in first walking mechanism 5
Structure 6 and 3 one end of supporting mechanism is arranged at for the second walking mechanism 4 that supporting mechanism 3 is controlled to walk along 1 outer surface of pipeline.
As shown in Fig. 2, supporting mechanism 3 including two is sheathed on the supporting rack 31 of 1 outer wall of pipeline and is respectively arranged at two
On support 31 and be directed toward 1 shaft core position of pipeline the first cylinder 32；Wherein, it has been fixedly connected on the piston rod of the first cylinder 32
The idler wheel 33 set along 1 length direction of pipeline.
With reference to shown in Fig. 1 and Fig. 3, first walking mechanism 5 includes being respectively arranged at endless tube on two supporting racks, 31 opposite side
The endless glide 51 and slide the movable part 52 being connected in two endless glides 51 respectively that 1 outer surface of road is set, fixed machine
Structure 6 includes the bearing frame 61 being respectively arranged on 52 opposite side of movable part and is sheathed on bearing frame 61 and bearing frame
61 fixed frames 62 being fixedly connected；The cross sectional shape and global shape of bearing frame 61 are Contraband shape, and the both ends of bearing frame 61 are remote
It is set from 1 center of circle of pipeline, the two sides of two bearing frames 61 are both provided with multiple tracks fixing bolt 611, the two sides of two fixed frames 62
Be both provided with the first sliding groove 621 slid for fixing bolt 611, two bearing frames 61 it is opposite be plugged on one side it is multiple for preventing
The adjusting bolt 63 that x-ray flaw detector 2 loosens is both provided with what is slid for adjusting bolt 63 in the opposite one side of two fixed frames 62
Second sliding slot 622.
With reference to shown in Fig. 1 and Fig. 4, the second walking mechanism 4 includes being arranged at the supporting rack 31, multiple of 3 one end of supporting mechanism
Be arranged on the supporting rack 31 and be directed toward 1 axis direction of pipeline set for clamping pipe 1 the first cylinder 32 and multiple set
It is placed on the supporting rack 31 and piston rod is fixedly connected with to control with supporting mechanism 3 supporting mechanism 3 along 1 length direction row of pipeline
The second cylinder 41 walked；Wherein, it is both provided with to prevent on the piston rod for the first cylinder 32 being arranged in the second walking mechanism 4
The only rubber pad 42 of 1 appearance surface damage of pipeline.
With reference to shown in Fig. 2 and Fig. 4, endless glide 51 includes two symmetrically arranged semi-circular shape slides 511, two halves annulus
It is fixedly connected between shape slide 511 using bolt, all supporting racks 31 include two symmetrically arranged semi-circular shape retainer plates
311, two halves circular ring shape retainer plate 311 is bolted to connection, the first cylinder 32 that all supporting racks 31 are equipped with and
41 quantity of the second cylinder that second walking mechanism 4 is equipped with is equal, and 32 quantity of the first cylinder that is equipped with of single accessory or gas
Cylinder quantity is no less than three, and the distance between adjacent two the first cylinders 32 or adjacent two the second cylinders 41 are equal.
Operation principle：Installation combination 1 failure detector of field pipes, first by supporting mechanism 3, first walking mechanism 5, second
Walking mechanism 4 is sheathed on respectively on 1 outer wall of pipeline, and by adjusting the first cylinder 32 so that supporting mechanism 3, which is fixedly clamped, manages
Road 1, then by 2 fixed placement of x-ray flaw detector on fixed mechanism 6.
In use, first by the way that the second cylinder 41 is controlled to stretch out so that the second walking mechanism 4 moves, the second vehicle with walking machine of band
After the movement of 4 full stroke of structure, it is fixedly clamped by the first cylinder 32 being arranged in the second walking mechanism 4, then controls the second gas
Cylinder 41 is shunk, and dragging supporting mechanism 3 is moved towards the second walking mechanism 4, so as to complete 1 failure detector of field pipes along pipeline
The work of 1 length direction movement；When needing that x-ray flaw detector 2 is controlled to rotate along 1 outer wall of pipeline, as long as simple control
System is fixedly connected with the movable part 52 of fixed mechanism 6 along the sliding of endless glide 51 until x-ray flaw detector 2 is in specific bit
Stopping is postponed, and carries out radiographic inspection, after flaw detection, testing staff controls the second walking mechanism 4 again so that x-ray flaw detector
2, which are moved to the next position, detects a flaw, and so cycles, can realize to the comprehensive flaw detection in pipe under test 1.
When combining erecting bed 1 failure detector of pipeline, first by single half on all supporting rack 31 and endless glide 51
Circular ring shape retainer plate 311 and semi-circular shape slide 511 are placed on one by one on pipeline 1, then by remaining semi-circular shape retainer plate
311 and semi-circular shape slide 511 and the semi-circular shape retainer plate 311 that is placed on pipeline 1 and semi-circular shape slide 511 1 it is a pair of
Should, it and is fitted together using bolt, followed by the first cylinder 32 of adjustment so that supporting mechanism 3 after combining,
And second walking mechanism 4 with 1 outer wall clamping engagement of pipeline.
1 failure detector of field pipes is assembled, lifts x-ray flaw detector 2, and by two end ring 21 of x-ray flaw detector 2
It is respectively embedded into the bearing frame 61 being arranged on two movable parts 52, and two fixed frames 62 is sheathed on two bearing frames 61 respectively
On, it is then fixedly connected by 611 fixed frame 62 of fixing bolt with bearing frame 61, and passes through adjusting bolt 63 by X-ray
The stabilization of defectoscope 2 is installed in fixed mechanism 6.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of field pipes failure detector, it is characterised in that：Including being arranged at pipeline（1）Outer surface is for the pipeline that is fixedly clamped
（1）Supporting mechanism（3）, be arranged at the supporting mechanism（3）On for along pipeline（1）The first walking mechanism that outer surface rotates
（5）, be arranged at the first walking mechanism（5）On for the x-ray flaw detector that is fixedly clamped（2）Fixed mechanism（6）, Yi Jishe
It is placed in the supporting mechanism（3）One end is used to control the supporting mechanism（3）Along pipeline（1）Second vehicle with walking machine of outer surface walking
Structure（4）, the supporting mechanism（3）On be provided with multiple and pipeline（1）Outer surface, which abuts, to be set for reducing the supporting mechanism
（3）With pipeline（1）The idler wheel to rub between outer wall（33）.
2. a kind of field pipes failure detector according to claim 1, it is characterised in that：The supporting mechanism（3）Including
Two endless tube roads（1）The supporting rack that outer wall is set（31）And multiple it is respectively arranged at two support frames as described above（31）Upper and point tube
Road（1）The first cylinder that axis direction is set（32）, the idler wheel（33）It is fixedly connected on first cylinder（32）Piston
On bar.
3. a kind of field pipes failure detector according to claim 2, it is characterised in that：Second walking mechanism（4）
Including being arranged at the supporting mechanism（3）The supporting rack of one end（31）, multiple be arranged at the support frame as described above（31）Upper and direction
Pipeline（1）Axis direction is set for clamping pipe（1）First cylinder of outer wall（32）And multiple it is arranged at the support
Frame（31）Upper and piston rod and the supporting mechanism（3）It is fixedly connected to control the supporting mechanism（3）Along pipeline（1）Length
Second cylinder of direction sliding（41）.
4. a kind of field pipes failure detector according to claim 3, it is characterised in that：Support frame as described above（31）It is equipped with
The first cylinder（32）With being arranged at the second walking mechanism（4）On the second cylinder（41）Quantity is equal, and single supporting rack
（31）First cylinder being equipped with（32）Quantity or the second cylinder（41）Quantity is no less than three, single supporting rack（31）
Upper adjacent two first cylinder（32）Or adjacent two second cylinder（41）The distance between it is equal.
5. a kind of field pipes failure detector according to claim 3, it is characterised in that：It is arranged at second vehicle with walking machine
Structure（4）On first cylinder（32）Piston rod on be both provided with to prevent pipeline（1）The rubber pad of appearance surface damage
（42）.
6. a kind of field pipes failure detector according to claim 3, it is characterised in that：The first walking mechanism（5）
Including being respectively arranged at two support frames as described above（31）On opposite side and endless tube road（1）The endless glide that outer wall is set（51）, with
And sliding is connected to two endless glides respectively（51）On movable part（52）.
7. a kind of field pipes failure detector according to claim 6, it is characterised in that：Two endless glides（51）
Including two symmetrically arranged semi-circular shape slides（511）, the two semi-circular shape slides（511）Between the company of being bolted
It connects, support frame as described above（31）Include two symmetrically arranged semi-circular shape retainer plates（311）, the two semi-circular shape retainer plates
（311）Between be bolted to connection.
8. a kind of field pipes failure detector according to claim 6, it is characterised in that：The fixed mechanism（6）Including
It is fixedly connected on two movable parts（52）On bearing frame（61）And it is sheathed on the bearing frame（61）It is upper to be held with described
Carry frame（61）The fixed frame being fixedly connected（62）, the bearing frame（61）Cross sectional shape and global shape be Contraband shape, it is described
Bearing frame（61）Both ends away from pipeline（1）The center of circle is set.
9. a kind of field pipes failure detector according to claim 8, it is characterised in that：Two bearing frames（61）Two
Side is both provided with multiple tracks fixing bolt（611）, two fixed frames（62）Two sides be both provided with for the fixing bolt
（611）The first sliding groove of sliding（621）.
10. a kind of field pipes failure detector according to claim 8, it is characterised in that：Two bearing frames（61）Phase
To one side be plugged with for stable holding x-ray flaw detector（2）End ring（21）Adjusting bolt（63）, two fixed frames
（62）Opposite is provided on one side for the adjusting bolt（63）Second sliding slot of sliding（622）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476615.7U CN207379986U (en) | 2017-11-08 | 2017-11-08 | A kind of field pipes failure detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476615.7U CN207379986U (en) | 2017-11-08 | 2017-11-08 | A kind of field pipes failure detector |
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| CN207379986U true CN207379986U (en) | 2018-05-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282767A (en) * | 2018-09-18 | 2019-01-29 | 大连理工大学 | Mobile contactless gas hydrates pipeline blockage cross section profile detection device and equipment |
| CN109342467A (en) * | 2018-11-29 | 2019-02-15 | 湘潭市汇丰设备制造有限公司 | Pipeline automatic flaw detection locating and detecting device |
| CN109870503A (en) * | 2019-04-09 | 2019-06-11 | 天津市水利科学研究院 | A kind of flaw detection equipment for Water delivery pipe line |
| CN110346011A (en) * | 2019-07-19 | 2019-10-18 | 程思精 | A kind of assembled flow probe |
| 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 |
| CN111665271A (en) * | 2020-07-27 | 2020-09-15 | 大冶市探伤机有限责任公司 | X-ray flaw detector and running gear thereof |
| CN111896619A (en) * | 2020-07-14 | 2020-11-06 | 叶大梅 | Building 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 |
| CN116087229A (en) * | 2023-03-28 | 2023-05-09 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Simple detection device and detection method for concave deformation of buried pipeline |
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- 2017-11-08 CN CN201721476615.7U patent/CN207379986U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282767A (en) * | 2018-09-18 | 2019-01-29 | 大连理工大学 | Mobile contactless gas hydrates pipeline blockage cross section profile detection device and equipment |
| CN109342467A (en) * | 2018-11-29 | 2019-02-15 | 湘潭市汇丰设备制造有限公司 | Pipeline automatic flaw detection locating and detecting device |
| CN109870503A (en) * | 2019-04-09 | 2019-06-11 | 天津市水利科学研究院 | A kind of flaw detection equipment for Water delivery pipe line |
| CN109870503B (en) * | 2019-04-09 | 2024-03-01 | 天津市水利科学研究院 | Flaw detection equipment for novel water conveying pipeline |
| CN110346011A (en) * | 2019-07-19 | 2019-10-18 | 程思精 | A kind of assembled flow probe |
| CN110346011B (en) * | 2019-07-19 | 2020-04-28 | 程思精 | Assembled flow probe |
| 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 |
| 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 |
| CN111896619A (en) * | 2020-07-14 | 2020-11-06 | 叶大梅 | Building detection device |
| CN111665271A (en) * | 2020-07-27 | 2020-09-15 | 大冶市探伤机有限责任公司 | X-ray flaw detector and running gear thereof |
| 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 |
| CN116087229A (en) * | 2023-03-28 | 2023-05-09 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Simple detection device and detection method for concave deformation of buried pipeline |
| CN116087229B (en) * | 2023-03-28 | 2023-07-14 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Simple detection device and detection method for concave deformation of buried pipeline |
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