CN208043351U - Remote high-precision vacuum sealing detection probe mobile device - Google Patents
Remote high-precision vacuum sealing detection probe mobile device Download PDFInfo
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- CN208043351U CN208043351U CN201820688393.3U CN201820688393U CN208043351U CN 208043351 U CN208043351 U CN 208043351U CN 201820688393 U CN201820688393 U CN 201820688393U CN 208043351 U CN208043351 U CN 208043351U
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Abstract
The utility model discloses a kind of remote high-precision vacuum sealing detection probe mobile device, including lifting fixed mechanism, probe mobile mechanism and arc-shaped guide rail mechanism, lifting fixed mechanism and probe mobile mechanism are respectively arranged on the both sides of arc-shaped guide rail mechanism, and lift fixed mechanism and mobile mechanism's arcuately movement of guide rail mechanism progress arching trajectory respectively of popping one's head in.Its application method is in detection process, the position for lifting fixed mechanism is constant, arc-shaped guide rail mechanism is slided relative to lifting fixed mechanism in Target pipe periphery, probe mobile mechanism slided relative to arc-shaped guide rail mechanism, to realize probe mobile mechanism on suction gun probe or spray gun probe Target pipe is along the circumferential direction carried out 360 ° detection.The utility model controls replacement testing staff by remote motor and closely operates manually, realizes and carries out the high reliability of long-time vacuum detecting and high-accuracy property to equipment, especially with Complicated Spatial Structure equipment under high-risk environment.
Description
Technical field
The utility model is related to the equipment leak hunting technology field of High Radiation Area, more particularly to a kind of High Radiation Area
Remote high-precision vacuum sealing detection probe mobile device.
Background technology
Vacuum sealing performance is to weigh an important parameter of the Practical Projects quality such as particle accelerator, spacecraft, satellite.
In environment after high power line radioactivation, the weld seam of element, dismountable flange junction etc. in vacuum system, due to length
Phase radiation damaged, is easy that there are very big gas leakage hidden danger.And gas leakage with the naked eye generally can not be checked out, it is necessary to centainly
Method found out and repaired.
In actual engineering, after determined gas leakage, vacuum testing, i.e. blowing process or helium cover method is mainly used to explore leakage
Hole site and leak rate.However in High Radiation Area, vacuum unit at all can not be close, using above method to element carry out every
All very harsh difficulty is detected from, dismounting or blowing process.Meanwhile vacuum leak hunting or system maintenance are when being required for expending very long
Between, the radiation safety for staff is a rigor test.
Nuclear power station danger zone has applied ultrasonic detection technology into units weld seam detection at present.Although ultrasonic technology
Detection is simple, accurate, but its minimum detectable leak rate is 1X10-3Pa·m3/ s much cannot be satisfied the vacuum units such as accelerator
Leak detection sensitivities requirement.As helium mass analyzer rapidly develops, the leak detection of suction gun method has been successfully applied in the engineerings such as spacecraft.With
1999 Nian Hou Capital Aerospace Machinery Company solve the calibration problem of positive pressure leak hole by calibrating positive pressure leak hole method, and to school
The uncertainty of quasi- result is verified, and the research of quantitative study vacuum unit leak rate at this stage is mature on the whole.But remote auto control
Vacuum sealing detection is more traditional manual operation means in current application and few.In the actual environment, environment is detected
Condition, operating space, tested element labyrinth there is limitation to influence vacuum leak hunting so that testing result is simultaneously paid no attention to
Think.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of remote high-precision vacuum sealing detection
Probe mobile device, the device control replacement testing staff by remote motor and closely operate manually, realize in high-risk ring
Under border the high reliability of long-time vacuum detecting and high-accuracy property are carried out to equipment, especially with Complicated Spatial Structure equipment.
The technical solution of the utility model is：A kind of remote high-precision vacuum sealing detection probe mobile device, including hang
Fixed mechanism, probe mobile mechanism and arc-shaped guide rail mechanism are filled, lifting fixed mechanism and probe mobile mechanism are respectively arranged on arc
The both sides of guide rail mechanism, and lift fixed mechanism and pop one's head in mobile mechanism respectively arcuately guide rail mechanism carry out arching trajectory fortune
It is dynamic.In this device structure, lifting fixed mechanism and probe mobile mechanism everybody one it is fixed whole, pass through corresponding cunning thereon
Block (i.e. following first sliding blocks or the second sliding block) is connected with arc-shaped guide rail mechanism, utilizes lifting fixed mechanism and arc-shaped guide rail
The relative motion of mechanism, the relative motion of pop one's head in mobile mechanism and arc-shaped guide rail mechanism, in detection process, by constantly adjusting spy
Head moving mechanism position and the position of arc-shaped guide rail mechanism enable probe to detect target in maximum magnitude (can reach 360 °)
Pipe surface.
The arc-shaped guide rail mechanism includes guide rail fixed plate, the first guide rail and the second guide rail, the first guide rail and the second guide rail
It is respectively arranged on the two sides of guide rail fixed plate；Guide rail fixed plate, the first guide rail and the second guide rail are the arc of bottom opening
Shape structure.
The radian of the guide rail fixed plate, the first guide rail and the second guide rail is 180 °.Guide rail fixed plate, the first guide rail and
Second guide rail can be respectively adopted more circular arc sectionally smooth joins and form, and can also be fabricated to integral structure respectively.First guide rail and second
In guide rail, when it is that 60 ° of guide rail is spliced to select 3 radians, total radian is preferably 180 °, which both can guarantee arc
Shape guide rail mechanism is smoothly inserted in the circumferential surface of Target pipe, also the measurement range of probe mobile mechanism can be made to reach maximum value.
In the arc-shaped guide rail mechanism, the first guide rail is equipped with matched first sliding block, and lifting fixed mechanism passes through the
One sliding block is opposite to be slided on the first guide rail；Second guide rail is equipped with matched second sliding block, and probe mobile mechanism passes through the
Two sliding blocks are opposite to be slided on the second guide rail.
The lifting fixed mechanism includes that first servo motor, lifting mounting flange, flange connecting plate and the first sliding are driven
Dynamic component, lifting mounting flange are set at the top of flange connecting plate, and first servo motor is installed on the side of flange connecting plate, and first
Sliding block is installed on the other side of flange connecting plate, and the first sliding drive is also equipped on the flange connecting plate above the first sliding block
The power output end of dynamic component, the first sliding drive component and first servo motor connects.Wherein, lifting mounting flange is for outer
Driving is connect, drives entire probe mobile device and its probe being equipped with to run on remote high-precision vacuum sealing field by driving a vehicle
In institute.
The first sliding drive component includes matched first gear and the first tooth band, and there are three first gears, is in
The power output end of Triangle-Profile, a superposed first gear and first servo motor connects, and is located at the two of lower part
A first gear is symmetrically set in above the first guide rail, and the first tooth band is wound in three first gears, and the both ends of the first tooth band
It is individually fixed in the both ends of guide rail fixed plate.When generating relative motion between arc-shaped guide rail mechanism and lifting fixed mechanism, first
The rotation of servo motor drives each first gear rotation, and the rotation of first gear drives the forward or backward of the first tooth band,
Final drive carries out relative motion between guide rail fixed plate and the first guide rail by the first sliding block, realize arc-shaped guide rail mechanism along
It lifts mounting flange and completes 180 ° of movements.The rotational angle of first servo motor is fed back with initial position difference, to obtain arc
The residing specific angle value of shape guide rail movement.
The probe mobile mechanism includes that the second servo motor, probe movable plate, probe mounting base and the second sliding are driven
Dynamic component, probe mounting base are fixed on probe movable plate, and the second servo motor is installed on the side of probe movable plate, and second
Sliding block is installed on the other side of probe movable plate, and the second sliding drive is also equipped on the probe movable plate above the second sliding block
Dynamic component, the second sliding drive component are connect with the power output end of the second servo motor.Wherein, probe mounting base is for pacifying
Dress probe (according to different detection mode selection suction gun probes or spray gun probe).
The second sliding drive component includes matched second gear and the second tooth band, and there are three second gears, is in
Triangle-Profile, a superposed second gear are connect with the power output end of the second servo motor, are located at the two of lower part
A second gear is symmetrically set in above the second guide rail, and the second tooth band is wound in three second gears, and the both ends of the second tooth band
It is individually fixed in the both ends of guide rail fixed plate.When generating relative motion between probe mobile mechanism and arc-shaped guide rail mechanism, second
The rotation of servo motor drives each second gear rotation, and the rotation of second gear drives the forward or backward of the second tooth band,
Final drive carries out relative motion between probe movable plate and the second guide rail by the second sliding block, realize probe mobile mechanism along
Arc-shaped guide rail mechanism moves for 180 ° along completion.Probe setting one initial position, by the second servo motor turnning circle from
And the difference for obtaining probe and initial position is fed back, obtain popping one's head in location during the motion.
The both ends of the guide rail fixed plate further respectively have limited block.The sliding of limited block pair the first sliding block and the second sliding block
Range provides constraints, and prevents lifting fixed mechanism and mobile mechanism of popping one's head in skids off corresponding guide rail.
The application method of above-mentioned remote high-precision vacuum sealing detection probe mobile device is：Lift the external row of fixed mechanism
Vehicle, the external suction gun probe of probe mobile mechanism or spray gun probe, driving drive entire probe mobile device to run to Target pipe
Place is located in Target pipe periphery by the way that arc-shaped guide rail mechanism is same；In detection process, the position of driving and lifting fixed mechanism is not
Become, arc-shaped guide rail mechanism is slided relative to lifting fixed mechanism in Target pipe periphery, and probe mobile mechanism is relative to arc
Shape guide rail mechanism is slided, to realize probe mobile mechanism on suction gun probe or spray gun probe to Target pipe circumferentially
Direction carries out 360 ° of detections.Concrete operations are：Helium mass spectrometer leak detector and two servo motors (and first servo motor and second is watched
Taking motor) corresponding driving mechanism pacifies using on barrier shield of the traveling crane loaded on tunnel both sides when detection on mounting base of popping one's head in
Dress suction gun probe or spray gun probe (are selected according to different detection modes, correspond to the leak detection of positive pressure suction gun or helium respectively
Mass spectrum leak detection), the distance of suction gun probe or spray gun probe distance objective pipe surface is about 10mm；When installing suction gun probe,
Suction gun probe passes through thread connection flexible pipe and suction gun leak detector；When installing spray gun probe, spray gun probe is connected soft by thread
Pipe and helium body tied to source, and using the open and close working condition of solenoid valve control spray gun.Probe mobile device enters Target pipe
After nearby, after guide rail fixed plate in arc-shaped guide rail mechanism and Target pipe position are coaxial, pop one's head in and arc-shaped guide rail mechanism into
Row movement, is along the circumferential direction detected the surface of Target pipe, collected accompanying image and online data (including leak detection
Trace gas detection data, such as gas solubility) it is delivered in host computer and is handled by host computer outward.
The utility model compared with the existing technology, has the advantages that：
After this probe mobile device and its application method are applied to High Radiation Area vacuum sealing detecting system, it is applicable to
The dangerous higher occasion for but needing to carry out leakage hole position and leak rate judges is practical particularly with nuclear power station, accelerator, spacecraft etc.
Engineering has higher application value.
This probe mobile device is simple in structure, easy to operate, and suction gun probe or spray gun probe are connected by probe, applicable
In positive pressure suction gun method and helium mass spectrum leak detection method, application range is wider, combines High Radiation Area vacuum sealing to detect in detection process
Processing of the system to accompanying image and online data itself, had both improved the automatization level of detection, also ensured that the behaviour of staff
Make efficiency and radiation safety.
In this probe mobile device, relative motion, probe moving machine using lifting fixed mechanism with arc-shaped guide rail mechanism
The relative motion of structure and arc-shaped guide rail mechanism, can be in detection process by constantly adjusting probe mobile mechanism position and arc
The position of guide rail mechanism enables probe on maximum magnitude (can reach 360 °) detection Target pipe surface, and detection amplitude is big,
Testing result is also accurate.
Description of the drawings
Fig. 1 is the structural schematic diagram of this probe mobile device.
Fig. 2 is the structure schematic diagram of this probe mobile device shown in Fig. 1.
Fig. 3 is the dimensional structure diagram of this probe mobile device.
Specific implementation mode
With reference to embodiment, the utility model is described in further detail, but the embodiment of the utility model
It is without being limited thereto.
Embodiment
A kind of remote high-precision vacuum sealing detection probe mobile device of the present embodiment, as shown in Figs. 1-3, including lifting is solid
Determine mechanism 1, probe mobile mechanism 2 and arc-shaped guide rail mechanism 3, lifting fixed mechanism and probe mobile mechanism are respectively arranged on arc and lead
The both sides of rail mechanism, and lift fixed mechanism and pop one's head in mobile mechanism respectively arcuately guide rail mechanism carry out arching trajectory fortune
It is dynamic.In this device structure, lifting fixed mechanism and probe mobile mechanism everybody one it is fixed whole, pass through corresponding cunning thereon
Block (i.e. following first sliding blocks or the second sliding block) is connected with arc-shaped guide rail mechanism, utilizes lifting fixed mechanism and arc-shaped guide rail
The relative motion of mechanism, the relative motion of pop one's head in mobile mechanism and arc-shaped guide rail mechanism, in detection process, by constantly adjusting spy
Head moving mechanism position and the position of arc-shaped guide rail mechanism enable probe to detect target in maximum magnitude (can reach 360 °)
Pipe surface.
Arc-shaped guide rail mechanism includes guide rail fixed plate 4, the first guide rail 5 and the second guide rail 6, and the first guide rail and the second guide rail divide
It She Yu not be on the two sides of guide rail fixed plate；Guide rail fixed plate, the first guide rail and the second guide rail are the arc shape of bottom opening
Structure.The radian of guide rail fixed plate, the first guide rail and the second guide rail is 180 °.Guide rail fixed plate, the first guide rail and second are led
Rail can be respectively adopted more circular arc sectionally smooth joins and form, and can also be fabricated to integral structure respectively.In first guide rail and the second guide rail,
When it is that 60 ° of guide rail is spliced to select 3 radians, total radian is preferably 180 °, which both can guarantee arc-shaped guide rail
The circumferential surface of Target pipe is smoothly inserted in mechanism, also the measurement range of probe mobile mechanism can be made to reach maximum value.Arc is led
In rail mechanism, the first guide rail is equipped with matched first sliding block 7, and lifting fixed mechanism slides on the by the way that the first sliding block is opposite
On one guide rail；Second guide rail is equipped with matched second sliding block (not shown), and probe mobile mechanism passes through the second sliding block
It is opposite to slide on the second guide rail.The both ends of guide rail fixed plate further respectively have limited block 9.The first sliding block of limited block pair and second
The sliding scale of sliding block provides constraints, and prevents lifting fixed mechanism and mobile mechanism of popping one's head in skids off corresponding guide rail.
Lifting fixed mechanism includes first servo motor 10, lifting mounting flange 11, the sliding of flange connecting plate 12 and first
Drive component, lifting mounting flange are set at the top of flange connecting plate, and first servo motor is installed on the side of flange connecting plate, the
One sliding block is installed on the other side of flange connecting plate, and the first sliding is also equipped on the flange connecting plate above the first sliding block
The power output end of drive component, the first sliding drive component and first servo motor connects.Wherein, lifting mounting flange is used for
External driving drives entire probe mobile device and its probe being equipped with to run on remote high-precision vacuum sealing by driving a vehicle
In place.First sliding drive component includes matched first gear 13 and the first tooth band 14, and there are three first gears, is in three
The power output end of angular distribution, a superposed first gear and first servo motor connects, and is located at two of lower part
First gear is symmetrically set in above the first guide rail, and the first tooth band is wound in three first gears, and the both ends of the first tooth band point
It is not fixed on the both ends of guide rail fixed plate.When generating relative motion between arc-shaped guide rail mechanism and lifting fixed mechanism, first watches
The rotation for taking motor drives each first gear rotation, and the rotation of first gear drives the forward or backward of the first tooth band, most
It drives eventually between guide rail fixed plate and the first guide rail and relative motion is carried out by the first sliding block, realize arc-shaped guide rail mechanism along hanging
It fills mounting flange and completes 180 ° of movements.The rotational angle of first servo motor is fed back with initial position difference, to obtain arc
The residing specific angle value of guide rail movement.
Probe mobile mechanism includes the second servo motor 15, probe movable plate 16, the probe sliding of mounting base 17 and second
Drive component, probe mounting base are fixed on probe movable plate, and the second servo motor is installed on the side of probe movable plate, the
Two sliding blocks are installed on the other side of probe movable plate, and the second sliding is also equipped on the probe movable plate above the second sliding block
Drive component, the second sliding drive component are connect with the power output end of the second servo motor.Wherein, probe mounting base is used for
Installation probe (according to different detection mode selection suction gun probes or spray gun probe).Second sliding drive component includes phase
The second gear 18 of cooperation and the second tooth band 19, there are three second gears, distribution triangular in shape, superposed second tooth
Wheel is connect with the power output end of the second servo motor, and two second gears positioned at lower part are symmetrically set in above the second guide rail,
Second tooth band is wound in three second gears, and the both ends of the second tooth band are individually fixed in the both ends of guide rail fixed plate.Probe
When generating relative motion between mobile mechanism and arc-shaped guide rail mechanism, the rotation of the second servo motor drives each second gear to turn
It is dynamic, and the rotation of second gear drives the forward or backward of the second tooth band, it is final drive pop one's head in movable plate and the second guide rail it
Between by the second sliding block carry out relative motion, realize probe mobile mechanism along arc-shaped guide rail mechanism along complete 180 ° move.
Probe one initial position of setting, by the second servo motor turnning circle to which the difference for obtaining probe and initial position is anti-
Feedback, obtain popping one's head in location during the motion.
The application method of above-mentioned remote high-precision vacuum sealing detection probe mobile device is：Lift the external row of fixed mechanism
Vehicle, the external suction gun probe of probe mobile mechanism or spray gun probe, driving drive entire probe mobile device to run to Target pipe
Place is located in Target pipe periphery by the way that arc-shaped guide rail mechanism is same；In detection process, the position of driving and lifting fixed mechanism is not
Become, arc-shaped guide rail mechanism is slided relative to lifting fixed mechanism in Target pipe periphery, and probe mobile mechanism is relative to arc
Shape guide rail mechanism is slided, to realize probe mobile mechanism on suction gun probe or spray gun probe to Target pipe circumferentially
Direction carries out 360 ° of detections.Concrete operations are：Helium mass spectrometer leak detector and two servo motors (and first servo motor and second is watched
Taking motor) corresponding driving mechanism pacifies using on barrier shield of the traveling crane loaded on tunnel both sides when detection on mounting base of popping one's head in
Dress suction gun probe or spray gun probe (are selected according to different detection modes, correspond to the leak detection of positive pressure suction gun or helium respectively
Mass spectrum leak detection), the distance of suction gun probe or spray gun probe distance objective pipe surface is about 10mm；When installing suction gun probe,
Suction gun probe passes through thread connection flexible pipe and suction gun leak detector；When installing spray gun probe, spray gun probe is connected soft by thread
Pipe and helium body tied to source, and using the open and close working condition of solenoid valve control spray gun.Probe mobile device enters Target pipe
After nearby, after guide rail fixed plate in arc-shaped guide rail mechanism and Target pipe position are coaxial, pop one's head in and arc-shaped guide rail mechanism into
Row movement, is along the circumferential direction detected the surface of Target pipe, collected accompanying image and online data (including leak detection
Trace gas detection data, such as gas solubility) it is delivered in host computer and is handled by host computer outward.
As described above, the utility model can be realized preferably, above-described embodiment is only the preferable implementation of the utility model
Example is not used for limiting the scope of the utility model；It is i.e. all according to equivalent changes and modifications made by the utility model content,
All covered by the utility model claims range claimed.
Claims (9)
1. remote high-precision vacuum sealing detection probe mobile device, which is characterized in that including lifting fixed mechanism, probe movement
Mechanism and arc-shaped guide rail mechanism, lifting fixed mechanism and probe mobile mechanism are respectively arranged on the both sides of arc-shaped guide rail mechanism, and hang
Fill fixed mechanism and mobile mechanism's arcuately movement of guide rail mechanism progress arching trajectory respectively of popping one's head in.
2. remote high-precision vacuum sealing detection probe mobile device according to claim 1, which is characterized in that the arc
Shape guide rail mechanism includes guide rail fixed plate, the first guide rail and the second guide rail, and it is solid that the first guide rail and the second guide rail are respectively arranged on guide rail
On the two sides of fixed board；Guide rail fixed plate, the first guide rail and the second guide rail are the arc shape structure of bottom opening.
3. remote high-precision vacuum sealing detection probe mobile device according to claim 2, which is characterized in that described to lead
The radian of rail fixed plate, the first guide rail and the second guide rail is 180 °.
4. remote high-precision vacuum sealing detection probe mobile device according to claim 2, which is characterized in that the arc
In shape guide rail mechanism, the first guide rail is equipped with matched first sliding block, and lifting fixed mechanism is slided by the way that the first sliding block is opposite
In on the first guide rail；Second guide rail is equipped with matched second sliding block, and probe mobile mechanism is slided by the way that the second sliding block is opposite
In on the second guide rail.
5. remote high-precision vacuum sealing detection probe mobile device according to claim 4, which is characterized in that described to hang
Dress fixed mechanism includes that first servo motor, lifting mounting flange, flange connecting plate and the first sliding drive component, lifting are fixed
Flange is set at the top of flange connecting plate, and first servo motor is installed on the side of flange connecting plate, and the first sliding block is installed on flange
The other side of connecting plate is also equipped with the first sliding drive component on the flange connecting plate above the first sliding block, and first slides
Dynamic drive component and the power output end of first servo motor connect.
6. remote high-precision vacuum sealing detection probe mobile device according to claim 5, which is characterized in that described
One sliding drive component includes matched first gear and the first tooth band, and there are three first gears, and distribution triangular in shape is located at
One first gear on top and the power output end of first servo motor connect, and two first gears positioned at lower part are symmetrically set
Above the first guide rail, the first tooth band is wound in three first gears, and the both ends of the first tooth band are individually fixed in guide rail and consolidate
The both ends of fixed board.
7. remote high-precision vacuum sealing detection probe mobile device according to claim 4, which is characterized in that the spy
Head moving mechanism includes the second servo motor, probe movable plate, probe mounting base and the second sliding drive component, probe installation
Bottom plate is fixed on probe movable plate, and the second servo motor is installed on the side of probe movable plate, and the second sliding block is installed on probe
The other side of movable plate is also equipped with the second sliding drive component on the probe movable plate above the second sliding block, and second slides
Dynamic drive component is connect with the power output end of the second servo motor.
8. remote high-precision vacuum sealing detection probe mobile device according to claim 7, which is characterized in that described
Two sliding drive components include matched second gear and the second tooth band, and there are three second gears, and distribution triangular in shape is located at
One second gear on top is connect with the power output end of the second servo motor, and two second gears positioned at lower part are symmetrically set
Above the second guide rail, the second tooth band is wound in three second gears, and the both ends of the second tooth band are individually fixed in guide rail and consolidate
The both ends of fixed board.
9. remote high-precision vacuum sealing detection probe mobile device according to claim 2, which is characterized in that described to lead
The both ends of rail fixed plate further respectively have limited block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820688393.3U CN208043351U (en) | 2018-05-09 | 2018-05-09 | Remote high-precision vacuum sealing detection probe mobile device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688393.3U CN208043351U (en) | 2018-05-09 | 2018-05-09 | Remote high-precision vacuum sealing detection probe mobile device |
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| CN208043351U true CN208043351U (en) | 2018-11-02 |
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ID=63929109
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362448A (en) * | 2018-05-09 | 2018-08-03 | 东莞中子科学中心 | Remote high-precision vacuum sealing detection probe mobile device and its application method |
| CN111912951A (en) * | 2019-05-07 | 2020-11-10 | 湖北省鲲发工程检测有限公司 | Natural gas pipeline welding port detection device and detection method thereof |
| CN116500138A (en) * | 2023-06-30 | 2023-07-28 | 常州佰承复合材料有限公司 | Detection system and detection method for flaw detection of side wall of large blade |
-
2018
- 2018-05-09 CN CN201820688393.3U patent/CN208043351U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362448A (en) * | 2018-05-09 | 2018-08-03 | 东莞中子科学中心 | Remote high-precision vacuum sealing detection probe mobile device and its application method |
| CN111912951A (en) * | 2019-05-07 | 2020-11-10 | 湖北省鲲发工程检测有限公司 | Natural gas pipeline welding port detection device and detection method thereof |
| CN116500138A (en) * | 2023-06-30 | 2023-07-28 | 常州佰承复合材料有限公司 | Detection system and detection method for flaw detection of side wall of large blade |
| CN116500138B (en) * | 2023-06-30 | 2023-09-08 | 常州佰承复合材料有限公司 | Detection system and detection method for flaw detection of side wall of large blade |
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