CN109239201A - A kind of Portable Automatic clamping device for non-linear ultrasonic detection - Google Patents
A kind of Portable Automatic clamping device for non-linear ultrasonic detection Download PDFInfo
- Publication number
- CN109239201A CN109239201A CN201811024398.7A CN201811024398A CN109239201A CN 109239201 A CN109239201 A CN 109239201A CN 201811024398 A CN201811024398 A CN 201811024398A CN 109239201 A CN109239201 A CN 109239201A
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- CN
- China
- Prior art keywords
- ultrasonic
- energy converter
- connecting rod
- electromagnet
- voussoir
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
Abstract
The invention discloses one kind to detect Portable Automatic clamping device for non-linear ultrasonic, comprising: mechanical claw assembly, display screen, controller, small type stepping motor, electromagnet, pressure sensor, rectangular connecting rod, voussoir, ultrasonic action energy converter, ultrasonic reception transducing.Voussoir and electromagnet equipped with ultrasonic action energy converter and ultrasonic reception energy converter are all mounted in rectangular connecting rod；Controlling small type stepping motor by controller drives gripper component to clamp to measured workpiece；The voussoir equipped with ultrasonic action energy converter and ultrasonic reception energy converter is adsorbed on metal component surface by energization electromagnet；The coupling pressure control that non-linear ultrasonic detection is realized by pressure sensor measurement and stepper motor feedback control, reduces due to the bad influence to non-linear ultrasonic testing result of energy converter clamping.The present invention can be used for plane and curved surface member detection, have many advantages, such as automation clamping, strong applicability, easy to install and use.
Description
Technical field
The invention patent relates to field of non destructive testing, and in particular to a kind of for the Portable Automatic of non-linear ultrasonic detection
Clamping device, the energy converter automated exchanged cutter that can be used for when the non-linear ultrasonic non-destructive testing of curved surface and planar metal member.
Background technique
Curved surface metal component obtains on the key equipment of the industries such as aerospace, nuclear power nuclear energy, ship, pressure vessel
It being widely applied, these components are influenced by many factors such as manufacturing process, external environment, service loads during operation,
Inevitably it will appear a variety of common defects such as corrosion and fatigue, crackle, loose, if these defects cannot be detected in time, it will
Normal production efficiency is seriously affected, and will affect the safe operation of equipment, brings imponderable loss.
Ultrasound detection is one of most common lossless detection method, but limited by factors such as wavelength, traditional linear ultrasonic
Lossless detection method, it is insensitive for the micro-damage of component early stage, such as micro-crack, mechanical property degradation, fatigue damage, it is difficult to
Effectively detection.Non-linear ultrasonic detection generates higher hamonic wave, subharmonic and wave beam aliasing when passing through micro-damage using ultrasonic wave
The principles such as phenomenon compensate for the deficiency of conventional linear ultrasonic measurement micro-damage, are with a wide range of applications.
However when practical non-linear ultrasonic non-destructive testing, for the non-linear effects for avoiding test macro itself, to energy converter
Clamping, the stability requirement of coupling are very harsh, and existing simplified manual fixture installs laborious, step complexity and versatility not
Foot causes live non-linear ultrasonic to detect extremely difficult, measurement result poor reliability.Especially for curved surface member, energy converter dress
The difficulty of folder is higher, greatly affected the efficiency of measurement, and is difficult to obtain the measurement result of accurate stable.
In order to improve the accuracy of non-linear ultrasonic testing result, and the ease for use in implementation process, design one kind
The automatic clamping device of the non-linear non-destructive testing of portable ultraphonic is of great significance to practical engineering application.It is non-linear at present super
Sound non-destructive testing research field lacks relevant automatic clamping device based on non-linear ultrasonic detection method and data analysis.
If Authorization Notice No. is CN101806778B, authorized announcement date is to have invented a kind of non-in the patent of invention on July 27th, 2011
Continuous on-line detection method of the linear ultrasonic non-destructive testing in metal incipient fatigue damage, but the patent only provide it is non-linear
The theoretical method of Ultrasonic NDT, probe clamping device when unspecified non-linear ultrasonic detects.Furthermore authorization is public
Announcement number is CN205581057U, and authorized announcement date is the patent of invention on the 14th of September in 2016, and it is non-linear to provide a kind of oblique incidence
Ultrasonic no damage detection device, but the device is only used for the non-linear ultrasonic detection of flat work pieces, can only fix position detection,
Portability is poor.
Summary of the invention
The purpose of the present invention is invent a kind of Portable Automatic clamping device for non-linear ultrasonic detection, clamping dress
It sets and can be realized stable clamping ultrasonic transducer, guarantee energy converter and workpiece good coupling, and it is non-thread to can be used in curved surface member
Property ultrasound detection clamping process automation.Gripper component and electromagnet is driven to inhale the voussoir equipped with probe by controller
It is attached to tested metal component surface, realizes clamping automation.Coupling pressure control is realized by pressure sensor, guarantees transducing
Device is coupled with the stabilization of workpiece.The device can be used in detecting metal curved surface component, improve the adaptability to tested metal component.
A kind of technical solution of the present invention: Portable Automatic clamping device for non-linear ultrasonic detection, comprising: mechanical
Claw assembly, display screen, controller, small type stepping motor, electromagnet, pressure sensor, rectangular connecting rod, voussoir, ultrasonic action
Energy converter, ultrasonic reception energy converter, device top plate centre is equipped with portable handle, portable for device, the machinery claw assembly, packet
Include: clamping plate, jaw plate, U-shaped band threaded connector, can opening and closing annulus buckle, short cylindrical connecting rod, sleeve.Two clamping plates are with short
Cylinder connecting rod connects side by side, and is fixedly connected with small type stepping motor with screw, bolt between diagonal each two clamping plates.Using
Two small type stepping motors, purpose improve the portability of device for alleviator weight, small type stepping motor it is more accurate and
Stablize.It is connected between small type stepping motor and two pieces of jaw plates with U-shaped band threaded connector, two pieces of jaw plates and two clamping plates are used
Dowel screw connection, and sleeve is cased between two pieces of jaw plates.When small type stepping motor rotation, connected by U-shaped band screw thread
The threads turn of fitting clamps jaw plate to measured workpiece surface, and the gripper long cylinder ipsilateral with small type stepping motor connects
Extension bar connection, it is therefore an objective to which small type stepping motor drives ipsilateral mechanical claw assembly simultaneously.In the jaw plate end of mechanical claw assembly
Design have can opening and closing annulus buckle, the circular shaft at the both ends for being mounted on rectangular connecting rod, annulus buckle fixed by screw, and
Band gasket, so that rectangular connecting rod is more stably installed.The effect of annulus buckle is to enable rectangular connecting rod around axial direction
Rotation, so that the electromagnet, voussoir bottom surface in rectangular connecting rod are preferably bonded the shape of workpiece, size.
Rectangular connecting rod both ends are equipped with two blocks of electromagnet, and there are three ultrasonic action energy converters or ultrasound to connect for dress between electromagnet
Energy converter is received, and ultrasonic action energy converter or ultrasonic reception energy converter are mounted on voussoir by screw, guarantees that ultrasonic action changes
Can stability in measurement process of device and ultrasonic reception energy converter, can realize that single probe hair is received, is more according to measured workpiece situation
The different measurement methods such as probe hair receipts.
The thickness of electromagnet and the thickness of voussoir are identical, and bottom is equipped with pressure sensor, for observing voussoir bottom surface
With the pressure value between measurement workpiece.
Before measurement starts, electromagnet is installed in corresponding position and ultrasonic action energy converter and ultrasonic reception transducing
Device is installed to voussoir；And pressure value N needed for being measured by controller setting.
Measurement starts, and controller controls small type stepping motor, and small type stepping motor drives gripper component to measured workpiece
Surface clamps, and when observing the nearly measured workpiece in voussoir bottom, pause driving small type stepping motor rotation manually goes rotation to adjust
Perfect square shape connecting rod, so that voussoir bottom surface is parallel with measured workpiece surface as far as possible；After adjustment, then gripper component is driven,
Until the bottom of electromagnet and voussoir fits to measured workpiece surface；When controller obtains the pressure sensor of electromagnet bottom
When pressure feedback, then controller pause driving small type stepping motor and give electromagnet be powered, make electromagnet and voussoir be adsorbed by
Survey workpiece surface；Then, controller controls small type stepping motor again, and driving gripper component is clamped to measured workpiece surface.
Display screen shows the pressure value of pressure sensor, if the pressure value n of display is less than pressure value N needed for setting measures,
Then start controller control small type stepping motor, driving gripper component continues to clamp to measured workpiece surface, until pressure value
Pressure value needed for measuring more than or equal to setting just stops driving gripper component.
The beneficial effects of the present invention are the non-linear ultrasonic detections that can be used for curved surface and plane institution movement, have automatic makeup
Folder, strong applicability, it is easy to install and use the advantages that
Detailed description of the invention
Fig. 1 is the whole assembling schematic diagram of apparatus of the present invention
Fig. 2 is the gripper component diagram of apparatus of the present invention
Fig. 3 is the jaw plate of apparatus of the present invention and the connection schematic diagram of small type stepping motor
Fig. 4 is the schematic diagram of the rectangular connecting rod of apparatus of the present invention
Fig. 5 is the operating process schematic diagram of apparatus of the present invention
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, a kind of Portable Automatic clamping device for non-linear ultrasonic detection, comprising: mechanical claw assembly,
Display screen, controller, small type stepping motor, electromagnet, pressure sensor, rectangular connecting rod, voussoir, ultrasonic action energy converter,
Ultrasonic reception energy converter, device top plate centre is equipped with portable handle, portable for device, as shown in connection with fig. 2, the gripper group
Part, comprising: clamping plate, jaw plate, U-shaped band threaded connector, can opening and closing annulus buckle, short cylindrical connecting rod, sleeve.Two clamping plates
9 are connected side by side with two short cylindrical connecting rods 11, are connected between two pieces of jaw plates 10 and two clamping plates 9 with dowel screw, and
Sleeve 12 is housed between two pieces of jaw plates 10.Ipsilateral machinery claw assembly 4 is connected with long cylinder connecting rod 3 respectively.
As shown in figure 3, being fixedly connected with small type stepping motor 2, small type stepping motor 2 with screw, bolt between two clamping plates 9
It is connect between two pieces of jaw plates 10 with U-shaped band threaded connector 14.
As shown in figure 4, as shown in connection with fig. 3 10 end of the jaw plate design of mechanical claw assembly 4 have can opening and closing annulus buckle 13,
It is mounted on rectangular 6 corresponding position of connecting rod, is fixedly connected by screws bolts.The end of two rectangular connecting rods 6 all passes through
Screw is equipped with electromagnet 15, and pressure sensor 16 is housed in 15 bottom of electromagnet；Pacified between two electromagnet 15 with screw
Voussoir 17 is filled, and used screw thread installation ultrasonic action energy converter 5 or ultrasonic reception energy converter 8 on voussoir 17.
Before measurement starts, according to above-mentioned position, electromagnet 15 and voussoir 17 are mounted on every rectangular connection by screw
On bar 6, and every rectangular connecting rod 6 is mounted in the annulus buckle 13 of corresponding jaw plate 10；It is set and is surveyed by controller 7
Pressure value (N) needed for amount are as follows: 50.
Device drive control process: after being switched by startup power supply, controller 7 controls two sides small type stepping motor 2 simultaneously,
Small type stepping motor 2 is clamped by the screw drive jaw plate 10 that U-shaped band is threadedly coupled 14 to measured workpiece surface, and voussoir is worked as
When 17 bottoms and 15 bottom of electromagnet are close to measured workpiece, pause driving small type stepping motor 2 is rotated, and it is rectangular to can be manually rotated adjustment
Connecting rod 6 makes 17 bottom of voussoir parallel with measured workpiece surface as far as possible；After adjustment, it is small-sized that controller 7 restarts control
Stepper motor 2, driving gripper component 4 make 17 bottom of voussoir and 15 bottom of electromagnet fit to measured workpiece surface；Work as control
When device 7 processed obtains the pressure feedback of the pressure sensor 16 of 15 bottom of electromagnet, 17 bottom of voussoir and 15 bottom of electromagnet are indicated
Measured workpiece surface is touched, then the pause of controller 7 driving small type stepping motor 2, and be powered to electromagnet 15, so that electric
Magnet 15 and voussoir 17 are adsorbed onto measured workpiece surface.
Device adjusts press process: when electromagnet 15 and voussoir 17 are adsorbed onto measured workpiece surface, the display pressure of display screen 1
Force value are as follows: n；If controller 7 recognizes pressure value: n < setting measured pressure value: 50, start controller 7 and controls small-sized step
Into motor 2, jaw plate 10 is driven to clamp to measured workpiece surface to increase the pressure of voussoir 17 bottom and measured workpiece surface, directly
Pressure value (N) needed for recognizing pressure value n >=setting measurement to controller 7: after 50, just stop driving gripper component 4.
Device measurement process: the ultrasonic action that required energy converter is the centre in three ultrasonic action energy converters 5 is measured
Energy converter 5 and its excess-three ultrasonic reception energy converter 8；After reaching required pressure value, then intermediate ultrasonic action energy converter is motivated
5, and metrical information is received by three ultrasonic reception energy converters 8, and be transferred in computer.It, can basis in measurement process
Measured workpiece situation realizes the different measurement methods such as single probe hair is received, Multi probe hair is received.The above process only gives an example, and surveys
Amount mode is not unique.
Claims (3)
1. a kind of Portable Automatic clamping device for non-linear ultrasonic detection, including mechanical claw assembly 4, long cylinder connecting rod
3, display screen 1, controller 7, small type stepping motor 2, electromagnet 15, pressure sensor 16, rectangular connecting rod 6, voussoir 17, ultrasound
Motivate energy converter 5, ultrasonic reception energy converter 8；
It is described machinery claw assembly 4, including clamping plate 9, jaw plate 10, U-shaped band threaded connector 14, can opening and closing annulus buckle 13, it is short
Cylinder connecting rod 11, sleeve 12；Two clamping plates 9 are connected side by side with two short cylindrical connecting rods 11, two pieces of jaw plates 10 and two pieces
It is connected between clamping plate 9 with dowel screw, and sleeve 12 is housed between two pieces of jaw plates 10；Every two groups of machinery claw assemblies 4 difference
It is connected with long cylinder connecting rod 3；Small type stepping motor 2, small-sized stepping electricity are fixedly connected with screw, bolt between two clamping plates 9
It is connected between machine 2 and two pieces of jaw plates 10 with U-shaped band threaded connector 14；The design of 10 end of jaw plate has can opening and closing annulus buckle
13, it is mounted on the circular shaft position at rectangular 6 both ends of connecting rod, and be fixedly connected by screws bolts；Every rectangular connecting rod 6
Both ends pass through screw equipped with electromagnet 15 respectively, and pressure sensor 16 is housed in 15 bottom of the electromagnet at both ends；In two electricity
Voussoir 17 is installed with screw between magnet 15, and used screw thread installs three ultrasonic action energy converters 5 or ultrasound on voussoir 17
Receive energy converter 8.
2. according to claim 1 a kind of for the Portable Automatic clamping device of non-linear ultrasonic non-destructive testing, feature
It is, when small type stepping motor 2 rotates, makes jaw plate 10 can be around double end by the threads turn of U-shaped band threaded connector 14
The central axial measured workpiece surface of screw clamps, the mechanical claw assembly 4 long cylinder connecting rod 3 ipsilateral with small type stepping motor 2
Connection, it is therefore an objective to small type stepping motor 2 drives ipsilateral mechanical claw assembly 4 simultaneously, 10 end of jaw plate can opening and closing annulus card
The circular shaft at both ends of the button 13 for being mounted on rectangular connecting rod 6, it is therefore an objective to the rectangular rotation of connecting rod 6 is adjusted, and
Both ends are equipped with electromagnet 15, enable voussoir 17 to be adsorbed on measured workpiece surface, and pressure sensing is housed in 15 bottom of electromagnet
Device, pressure value needed for being detected by the setting of controller 7, display screen 1 shows the pressure value of pressure sensor 16, if pressure value is less than
Pressure value needed for setting detects, then control small type stepping motor 2 by controller 7, and driving gripper component 4 continues to measured workpiece
Surface clamps, and is greater than or equal to pressure value needed for setting detects until controller 7 recognizes pressure value, can start to detect.
3. according to claim 1 a kind of for the Portable Automatic clamping device of non-linear ultrasonic non-destructive testing, feature
It is, ultrasonic action energy converter 5 or ultrasonic reception energy converter 8 on three voussoirs 17, can be realized according to measured workpiece situation single
The different measurement methods such as probe hair is received, Multi probe hair is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024398.7A CN109239201B (en) | 2018-09-04 | 2018-09-04 | Portable automatic clamping device for nonlinear ultrasonic detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024398.7A CN109239201B (en) | 2018-09-04 | 2018-09-04 | Portable automatic clamping device for nonlinear ultrasonic detection |
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| CN109239201A true CN109239201A (en) | 2019-01-18 |
| CN109239201B CN109239201B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811024398.7A Active CN109239201B (en) | 2018-09-04 | 2018-09-04 | Portable automatic clamping device for nonlinear ultrasonic detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110281463A (en) * | 2019-06-25 | 2019-09-27 | 厦门海昕工贸有限公司 | A kind of artificial intelligence production equipment that vacuum interrupter is encapsulated |
| CN115219530A (en) * | 2022-09-20 | 2022-10-21 | 安徽启路达光电科技有限公司 | Radiation inspection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110281463A (en) * | 2019-06-25 | 2019-09-27 | 厦门海昕工贸有限公司 | A kind of artificial intelligence production equipment that vacuum interrupter is encapsulated |
| CN115219530A (en) * | 2022-09-20 | 2022-10-21 | 安徽启路达光电科技有限公司 | Radiation inspection system |
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| Publication number | Publication date |
|---|---|
| CN109239201B (en) | 2021-04-02 |
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