CN116087333B - Symmetrical ultrasonic imaging device - Google Patents
Symmetrical ultrasonic imaging device Download PDFInfo
- Publication number
- CN116087333B CN116087333B CN202310375728.1A CN202310375728A CN116087333B CN 116087333 B CN116087333 B CN 116087333B CN 202310375728 A CN202310375728 A CN 202310375728A CN 116087333 B CN116087333 B CN 116087333B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- layer cover
- ultrasonic probe
- ultrasonic
- displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 68
- 239000000523 sample Substances 0.000 claims abstract description 59
- 238000013016 damping Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 36
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 28
- 230000007547 defect Effects 0.000 description 14
- 230000035939 shock Effects 0.000 description 12
- 238000007599 discharging Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
-
- 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
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
- G01N29/2443—Quartz crystal probes
-
- 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
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/275—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving both the sensor and the material
-
- 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
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/101—Number of transducers one transducer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2696—Wheels, Gears, Bearings
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Crystallography & Structural Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a symmetrical ultrasonic imaging device which comprises a displacement adjusting component, an ultrasonic probe component, a signal processing component, an imaging computer, a bottom plate and a regulating plate, wherein the displacement adjusting component is fixedly connected with the bottom plate, the ultrasonic probe component is fixedly connected with the displacement adjusting component, the signal processing component is arranged in the regulating plate, the imaging computer is fixedly connected with the outer surface of the regulating plate, and the regulating plate is fixedly connected with the side edge of the bottom plate. The displacement adjusting assembly controls the movement of the ultrasonic probe assembly and the rotation of the wheel shaft, so that the whole wheel shaft can be detected, the damping component in the ultrasonic probe assembly can absorb energy of transverse waves, interference of the transverse waves on detection is avoided, the absorbed energy is converted into wind power to be blown out from the wind guiding ring, the wind power is matched with the releasing component to control the discharge amount of the ultrasonic couplant, and the ultrasonic couplant is ensured to be proper in the whole detection process.
Description
Technical Field
The invention relates to the technical field of ultrasonic imaging, in particular to a symmetrical ultrasonic imaging device.
Background
The ultrasonic wave penetrates into the deep part of the metal material, reflected waves occur when the defects and the bottom surface of the part are encountered, the reflected waves are received and converted into electric signals for processing, the processed results are displayed on a display screen in the form of images, and the positions of the defects in the metal material can be confirmed by directly observing the images. When the wheel axle of the vehicle is in use, the wheel axle is subjected to larger stress, the inside of the wheel axle is easy to have defects such as cracks, the defects cannot be directly observed from the outside, and the defect of stuffing often causes the situation that the vehicle is broken in the running process, so that serious safety accidents are caused. Usually, an ultrasonic imaging device is used for detecting a vehicle wheel axle, but the traditional ultrasonic imaging device has a single detection mode, the wheel axle is provided with a step surface, the detection of the traditional mode by utilizing ultrasonic probes at two ends of the shaft cannot effectively cover the whole wheel axle, and detection dead angles are easy to generate. On the other hand, because the axle has great detection area, the position of ultrasonic probe needs to remove in the testing process, and driven ultrasonic imaging device can be on the large tracts of land remains on the detection face when carrying out the position and remove, and in the follow-up testing process, ultrasonic couplant can not obtain quantitative supply again, can influence the transmission effect of ultrasonic vibration, and then influence the precision that detects.
Disclosure of Invention
The present invention is directed to a symmetrical ultrasonic imaging apparatus, which solves the above-mentioned problems of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a symmetry formula ultrasonic imaging device, includes displacement adjustment subassembly, ultrasonic probe subassembly, signal processing subassembly, imaging computer, bottom plate, regulation and control board, displacement adjustment subassembly and bottom plate fastening connection, ultrasonic probe subassembly and displacement adjustment subassembly fastening connection, signal processing subassembly installs inside the regulation and control board, imaging computer and regulation and control board surface fastening connection, regulation and control board and bottom plate side fastening connection. The displacement adjusting assembly controls the movement of the ultrasonic probe assembly and the rotation of the wheel shaft, so that the whole wheel shaft can be detected, the damping component in the ultrasonic probe assembly can absorb energy of transverse waves, interference of the transverse waves on detection is avoided, the absorbed energy is converted into wind power to be blown out from the wind guiding ring, the wind power is matched with the releasing component to control the discharge amount of the ultrasonic couplant, and the ultrasonic couplant is ensured to be proper in the whole detection process. The solid carrying pipe arranged on the resonance disk can carry out solid carrying on the ultrasonic couplant effectively, and excessive loss of the ultrasonic couplant in the detection process is avoided.
Further, displacement adjustment subassembly includes linear displacement module, adjustment jar, support frame, connecting block, displacement part, locating plate, linear displacement module bottom and support frame top fastening connection, support frame bottom and bottom plate upper surface fastening connection, the displacement platform fastening connection of adjustment jar and linear displacement module, the output shaft and the connecting block fastening connection of adjustment jar, the one end and the ultrasonic probe subassembly fastening connection of adjustment jar are kept away from to the connecting block, locating plate, displacement part and bottom plate upper surface fastening connection. The linear displacement module drives the adjustment electric cylinder to move, the adjustment electric cylinder drives the connecting block to move, the connecting block drives the ultrasonic probe to move, the displacement path is set in advance through measuring the wheel axle size, and the ultrasonic probe can continuously move along the side wall of the wheel axle, so that the full coverage of the detection range is realized. The displacement adjusting assembly is of a symmetrical structure, the support frame, the linear displacement module, the adjusting electric cylinder and the connecting blocks are two groups, the two connecting blocks are respectively connected with one ultrasonic probe assembly, the two ultrasonic probe assemblies are arranged oppositely, ultrasonic waves are emitted intermittently to detect the wheel shaft, the detection mode reduces the rotation angle of the wheel shaft, the detection efficiency is improved, defect positions in the wheel shaft can be positioned from two sides, more accurate imaging pictures can be obtained, aiming at tiny defect positions with unclear partial pictures, one group of ultrasonic probe assemblies can be controlled to normally output ultrasonic waves, the other group of ultrasonic probe assemblies emit continuously changing ultrasonic waves, superposition vibration of the two groups of ultrasonic waves is continuously changed, and when vibration and the defect positions generate resonance, reflected ultrasonic waves are enhanced, so that the definition of the tiny defects is improved.
Further, the displacement part comprises a sliding rail, a sliding plate, a motor mounting plate, a driving motor, a three-jaw chuck, the sliding rail is in fastening connection with the bottom plate, the sliding plate is in sliding connection with the sliding rail, the motor mounting plate is in fastening connection with the upper surface of the sliding plate, the driving motor is mounted on the motor mounting plate, the three-jaw chuck is mounted on one side, far away from the driving motor, of the motor mounting plate, the three-jaw chuck is in rotary connection with the motor mounting plate, an output shaft of the driving motor penetrates through the motor mounting plate and is in rotary connection with the three-jaw chuck, and the other three-jaw chuck is mounted on the positioning plate and is in rotary connection with the positioning plate. Two three-jaw chucks clamp the two ends of the wheel shaft, the driving motor drives the wheel shaft to rotate, and the ultrasonic probe assembly can detect the whole wheel shaft when the wheel shaft rotates. The slide rail and the slide plate enable the distance between the two three-jaw chucks to be adjusted, and wheel shafts with various sizes can be used for ultrasonic imaging on the device.
Further, the ultrasonic probe assembly comprises a connecting rod, the fixed block, outer cover, the inlayer cover, piezoelectric wafer, the resonance dish, damping part, the wind-guiding ring, release part, connecting rod and fixed block fastening connection, the one end and inlayer cover that the connecting rod was kept away from to the fixed block, outer cover fastening connection, the inlayer cover is located outer cover inside, be provided with the air vent on the fixed block, the intermediate layer between air vent and inlayer cover, outer cover looks UNICOM, damping part one end and outer cover internal surface fastening connection, damping part other end and inlayer cover surface fastening connection, damping part has a plurality of, a plurality of damping part evenly arranges around the inlayer cover, wind-guiding ring and outer cover internal fastening connection, the wind-guiding ring is installed in the one side that the fixed block was kept away from to the outer cover, piezoelectric wafer side and inlayer cover internal fastening connection, one side and the resonance dish fastening connection of fixed block are kept away from to release part and inlayer cover. The ultrasonic probe is of an integral transmitting and receiving type, when the piezoelectric wafer receives pulse current and generates vibration, most of transverse waves generated by the piezoelectric wafer are transmitted to the inner cover, most of longitudinal waves are transmitted to the resonance disk, the resonance disk transmits the longitudinal waves into the wheel shaft for flaw detection, vibration energy of the transverse waves is converted into wind force by the damping component, the wind force pushes air flow to be emitted from the wind guide ring, the wind guide ring changes the wind direction to face the inner cover, the air flow is annular when being blown out, annular wind limits the position of an ultrasonic couplant discharged by the release component, and overflow of the ultrasonic couplant is avoided.
Further, the damping part comprises a damping block, a movable cavity, a displacement piston, two air inlet channels and an air outlet channel, one end of the damping block is fixedly connected with the inner surface of the outer cover, the other end of the damping block is fixedly connected with the outer surface of the inner cover, the movable cavity is arranged inside the damping block, the displacement piston is arranged inside the movable cavity, the displacement piston is slidably connected with the side wall of the movable cavity, two air inlet channels are respectively communicated with two ends of the movable cavity, one end of each air inlet channel is respectively communicated with one end of the damping block, which is close to the fixed block, two air outlet channels are respectively communicated with two ends of the movable cavity, and one end of each air outlet channel is respectively communicated with one end of the damping block, which is close to the air guide ring. When vibration is transmitted to the damping block, the displacement piston starts to vibrate repeatedly in the movable cavity, the one-way air inlet valve is arranged in the air inlet channel, the one-way air outlet valve is arranged in the air outlet channel, one side of the air inlet channel is always used for air inlet when the displacement piston vibrates, and the other side of the air outlet channel is used for air outlet, so that transverse vibration waves can be rapidly consumed, and the transverse vibration waves are converted into wind power to be utilized.
Further, release part includes the release ring, the cavity of keeping in, the discharge port, the holding vessel, the pressure disk, the one end fastening connection of fixed block is kept away from to release ring and inlayer cover, the cavity of keeping in is located the release ring inside, the cavity of keeping in is linked together through pipeline and holding vessel bottom, holding vessel and connecting rod fastening connection, the pressure disk is installed inside the holding vessel, pressure disk and holding vessel inner wall sliding connection, the discharge port sets up inside the release ring, discharge port one end and the cavity of keeping in are linked together, the discharge port other end is linked together to the release ring outside, the open position of discharge port is towards the resonance dish. The position of the ultrasonic couplant is limited by the annular wind, the ultrasonic couplant can be continuously consumed along with the change of the relative positions of the ultrasonic probe assembly and the wheel shaft, the pressure of the ultrasonic couplant restrained in the annular wind at the moment can be reduced, the gravity of the pressure plate in the storage tank can be larger than the pressure of the ultrasonic couplant, the ultrasonic couplant is pressed out to supply the loss part, and in the whole detection process, the quantity of the ultrasonic couplant can be ensured to be not too small, and the detection condition can be just met.
Further, a plurality of solid carrying pipes are connected below the resonance disk, and spiral grooves are formed in the surfaces of the solid carrying pipes. The fixed carrier tube provides the ultrasonic couplant attachment point, so that a large amount of ultrasonic couplant is prevented from being adhered to the surface of the wheel shaft in the moving process of the ultrasonic probe assembly, and the consumption speed of the ultrasonic couplant is reduced. The spiral groove arranged on the solid-carrying tube can increase the friction force between the solid-carrying tube and the ultrasonic couplant in the process of loss of the ultrasonic couplant, and on the other hand, under the guidance of the spiral groove, the ultrasonic couplant can be discharged along the spiral direction in the continuous discharging process, so that the length of a discharging path is increased by the spiral groove, and the loss rate of the ultrasonic couplant is reduced.
Further, the signal processing assembly comprises a signal acquisition front end, a pulse signal generator and a digital signal processor, the pulse signal generator transmits pulse signals to the ultrasonic probe assembly, the signal acquisition front end filters and amplifies electric signals transmitted by the ultrasonic probe assembly, the signal acquisition front end converts the electric signals into digital signals and transmits the digital signals to the digital signal processor, and the digital signal processor processes and analyzes the received digital signals and then transmits the digital signals to the imaging computer through the bus.
Compared with the prior art, the invention has the following beneficial effects: the displacement adjusting component controls the movement of the ultrasonic probe component and the rotation of the wheel shaft, so that the whole wheel shaft can be detected, the damping component in the ultrasonic probe component can absorb energy of transverse waves, interference of the transverse waves on detection is avoided, the absorbed energy is converted into wind power to be blown out from the wind guide ring, the wind power is matched with the releasing component to control the discharge amount of the ultrasonic couplant, and the amount of the ultrasonic couplant in the whole detection process is ensured to be proper. The solid carrying pipe that sets up on the resonance dish can effectually carry admittedly to the ultrasonic couplant, avoids ultrasonic couplant excessive loss in the testing process, and the helicla flute that sets up on the solid carrying pipe has increased the length of discharge path, has reduced ultrasonic couplant's loss rate. According to the invention, by setting up two groups of ultrasonic probe assemblies to be symmetrically arranged, the micro defects in the wheel shaft can be more accurately captured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a left side elevational view of the overall structure of the present invention;
FIG. 3 is a partial cross-sectional view of an ultrasonic probe assembly of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a cross-sectional view of the overall structure of the release member of the present invention;
FIG. 6 is a partial view of the carrier tube of the present invention;
FIG. 7 is a schematic diagram of an ultrasound imaging of the present invention;
in the figure: the device comprises a 1-displacement adjusting component, a 11-linear displacement module, a 12-adjusting electric cylinder, a 13-supporting frame, a 14-connecting block, a 15-displacement component, a 151-sliding rail, a 152-sliding plate, a 153-motor mounting plate, a 154-driving motor, a 155-three-jaw chuck, a 16-positioning plate, a 2-ultrasonic probe component, a 21-connecting rod, a 22-fixed block, a 23-outer cover, a 24-inner cover, a 25-piezoelectric wafer, a 26-resonance disk, a 261-carrying pipe, a 262-spiral groove, a 27-damping component, a 271-damping block, a 272-movable cavity, a 273-displacement piston, a 274-air inlet channel, a 275-air outlet channel, a 28-air guide ring, a 29-releasing component, a 291-releasing ring, a 292-temporary cavity, a 293-outlet hole, a 294-storage tank, a 295-pressure disk, a 4-imaging computer, a 5-bottom plate and a 6-regulating plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides the following technical solutions:
as shown in fig. 1 and 2, a symmetrical ultrasonic imaging device comprises a displacement adjustment assembly 1, an ultrasonic probe assembly 2, a signal processing assembly, an imaging computer 4, a bottom plate 5 and a regulating plate 6, wherein the displacement adjustment assembly 1 is fixedly connected with the bottom plate 5, the ultrasonic probe assembly 2 is fixedly connected with the displacement adjustment assembly 1, the signal processing assembly is arranged inside the regulating plate 6, the imaging computer 4 is fixedly connected with the outer surface of the regulating plate 6, and the side edges of the regulating plate 6 and the bottom plate 5 are fixedly connected. The displacement adjustment assembly 1 controls the movement of the ultrasonic probe assembly 2 and the rotation of the wheel shaft, so that the whole wheel shaft can be detected, the damping component 27 in the ultrasonic probe assembly 2 can absorb energy of transverse waves, interference of the transverse waves on detection is avoided, the absorbed energy is converted into wind power to be blown out from the wind guide ring 28, the wind power matched release component 29 can control the discharge amount of the ultrasonic couplant, and the ultrasonic couplant amount in the whole detection process is ensured to be proper. The solid-carrying tube 261 arranged on the resonance disk 26 can effectively carry out solid-carrying on the ultrasonic couplant, so that excessive loss of the ultrasonic couplant in the detection process is avoided.
As shown in fig. 1 and 2, the displacement adjustment assembly 1 includes a linear displacement module 11, an adjustment cylinder 12, a support frame 13, a connection block 14, a displacement component 15, and a positioning plate 16, wherein the bottom of the linear displacement module 11 is fastened to the top of the support frame 13, the bottom of the support frame 13 is fastened to the upper surface of the bottom plate 5, the adjustment cylinder 12 is fastened to a displacement platform of the linear displacement module 11, an output shaft of the adjustment cylinder 12 is fastened to the connection block 14, one end of the connection block 14 away from the adjustment cylinder 12 is fastened to the ultrasonic probe assembly 2, and the positioning plate 16, the displacement component 15 and the upper surface of the bottom plate 5 are fastened to each other. The linear displacement module 11 drives the adjustment cylinder 12 to move, the adjustment cylinder 12 drives the connecting block 14 to move, the connecting block 14 drives the ultrasonic probe assembly 2 to move, the displacement path is set in advance by measuring the wheel axle size, and the ultrasonic probe can continuously move along the side wall of the wheel axle, so that the full coverage of the detection range is realized. The displacement adjusting assembly 1 is of a symmetrical structure, two groups of supporting frames 13, linear displacement modules 11, adjusting electric cylinders 12 and connecting blocks 14 are arranged, the two connecting blocks 14 are respectively connected with one ultrasonic probe assembly 2, the two ultrasonic probe assemblies 2 are arranged oppositely, ultrasonic waves are emitted intermittently to detect the wheel shaft, the detection mode reduces the rotation angle of the wheel shaft, the detection efficiency is improved, defect positions in the wheel shaft can be positioned from two sides, more accurate imaging pictures can be obtained, aiming at tiny defect positions with unclear partial pictures, one group of ultrasonic probe assemblies 2 can be controlled to normally output ultrasonic waves, the other group of ultrasonic probe assemblies 2 emit continuously-changed ultrasonic waves, the superposition vibration of the two groups of ultrasonic waves is continuously changed, and when vibration and the defect positions generate resonance, the reflected ultrasonic waves are enhanced, so that the definition of the tiny defects is improved.
As shown in fig. 1 and 2, the displacement member 15 includes a slide rail 151, a slide plate 152, a motor mounting plate 153, a driving motor 154, a three-jaw chuck 155, the slide rail 151 is fixedly connected with the base plate 5, the slide plate 152 is slidably connected with the slide rail 151, the motor mounting plate 153 is fixedly connected with the upper surface of the slide plate 152, the driving motor 154 is mounted on the motor mounting plate 153, the three-jaw chuck 155 is mounted on one side of the motor mounting plate 153 far away from the driving motor 154, the three-jaw chuck 155 is rotatably connected with the motor mounting plate 153, an output shaft of the driving motor 154 passes through the motor mounting plate 153 and is rotatably connected with the three-jaw chuck 155, and the other three-jaw chuck 155 is further mounted on the positioning plate 16 and is rotatably connected with the positioning plate 16. The two three-jaw chucks 155 clamp the two ends of the wheel shaft, the driving motor 154 drives the wheel shaft to rotate, and the ultrasonic probe assembly 2 can detect the whole wheel shaft when the wheel shaft rotates. The sled 151 and sled 152 allow for adjustment of the distance between the two three jaw chucks 155 and for ultrasonic imaging of various sized axles on the device.
As shown in fig. 3, the ultrasonic probe assembly 2 comprises a connecting rod 21, a fixed block 22, an outer layer cover 23, an inner layer cover 24, a piezoelectric wafer 25, a resonant disk 26, a shock absorbing component 27, an air guide ring 28 and a release component 29, wherein the connecting rod 21 is tightly connected with the fixed block 22, one end of the fixed block 22 far away from the connecting rod 21 is tightly connected with the inner layer cover 24 and the outer layer cover 23, the inner layer cover 24 is positioned in the outer layer cover 23, a vent hole is formed in the fixed block 22, the vent hole is communicated with an interlayer between the inner layer cover 24 and the outer layer cover 23, one end of the shock absorbing component 27 is tightly connected with the inner surface of the outer layer cover 23, the other end of the shock absorbing component 27 is tightly connected with the outer surface of the inner layer cover 24, a plurality of shock absorbing components 27 are uniformly distributed around the inner layer cover 24, the air guide ring 28 is tightly connected with the inner wall of the outer layer cover 23, the air guide ring 28 is arranged on one side of the outer layer cover 23 far away from the fixed block 22, one side of the piezoelectric wafer 25 is tightly connected with the inner wall of the inner layer cover 24, and one side of the piezoelectric wafer 25 far away from the fixed block 22 is tightly connected with the resonant disk 26, and one end of the release component 29 and the inner layer cover 24 far away from the fixed block 22. The ultrasonic probe is of an integral transmitting and receiving type, when the piezoelectric wafer 25 receives pulse current and generates vibration, most of transverse waves generated by the piezoelectric wafer 25 are transmitted to the inner layer cover 24, most of longitudinal waves are transmitted to the resonance disk 26, the resonance disk 26 transmits the longitudinal waves into the wheel shaft for flaw detection, vibration energy of the transverse waves is converted into wind power by the damping component 27, the wind power pushes air flow to be emitted from the air guide ring 28, the air guide ring 28 changes the wind direction towards the inner layer cover 24, the air flow is annular when being blown out, annular wind limits the position of an ultrasonic couplant discharged by the release component 29, and overflow of the ultrasonic couplant is avoided.
As shown in fig. 4, the shock absorbing member 27 includes a shock absorbing block 271, a movable cavity 272, a displacement piston 273, an air inlet channel 274, and an air outlet channel 275, wherein one end of the shock absorbing block 271 is fixedly connected with the inner surface of the outer cover 23, the other end of the shock absorbing block 271 is fixedly connected with the outer surface of the inner cover 24, the movable cavity 272 is arranged inside the shock absorbing block 271, the displacement piston 273 is arranged inside the movable cavity 272, the displacement piston 273 is slidably connected with the side wall of the movable cavity 272, two air inlet channels 274 are respectively communicated with two ends of the movable cavity 272, the other end of the air inlet channel 274 is respectively communicated with one end of the shock absorbing block 271 close to the fixed block 22, two air outlet channels 275 are respectively communicated with two ends of the movable cavity 272, and the other end of the air outlet channel 275 is respectively communicated with one end of the shock absorbing block 271 close to the air guide ring 28. When vibration is transmitted to the shock absorption block 271, the displacement piston 273 starts to vibrate repeatedly in the movable cavity 272, the one-way air inlet valve is installed in the air inlet channel 274, the one-way air outlet valve is installed in the air outlet channel 275, one side of the air inlet channel 274 is always used for air inlet when the displacement piston 273 vibrates, and the other side of the air outlet channel 275 is used for air outlet, so that transverse vibration waves can be rapidly consumed, and converted into wind power to be utilized.
As shown in fig. 5, the release member 29 includes a release ring 291, a temporary storage chamber 292, a discharge hole 293, a storage tank 294, and a pressure plate 295, wherein the release ring 291 and one end of the inner cover 24 far away from the fixed block 22 are fastened and connected, the temporary storage chamber 292 is located inside the release ring 291, the temporary storage chamber 292 is communicated with the bottom of the storage tank 294 through a pipe, the storage tank 294 is fastened and connected with the connecting rod 21, the pressure plate 295 is mounted inside the storage tank 294, the pressure plate 295 is slidingly connected with the inner wall of the storage tank 294, the discharge hole 293 is provided inside the release ring 291, one end of the discharge hole 293 is communicated with the temporary storage chamber 292, the other end of the discharge hole 293 is communicated to the outside of the release ring 291, and the opening position of the discharge hole 293 faces the resonance plate 26. The annular wind limits the position of ultrasonic couplant, along with the change of the relative position of ultrasonic probe subassembly 2 and shaft, ultrasonic couplant can be consumed constantly, and the pressure of the ultrasonic couplant that is restrained in annular wind this moment can reduce, and the gravity of pressure disk 295 in holding vessel 294 can be greater than the pressure of ultrasonic couplant, and ultrasonic couplant is pressed out and is supplied with the loss part, can guarantee in whole testing process through this kind of mode that the quantity of ultrasonic couplant is not too much, just can satisfy the detection condition.
As shown in fig. 6, a plurality of carrying-fixing pipes 261 are connected below the resonance disk 26, and spiral grooves 262 are formed on the surfaces of the carrying-fixing pipes 261. The solid carrier tube 261 provides the ultrasonic couplant attachment point, so that a large amount of ultrasonic couplant is prevented from being adhered to the surface of the wheel shaft in the moving process of the ultrasonic probe assembly 2, and the consumption speed of the ultrasonic couplant is reduced. The spiral groove 262 arranged on the solid carrying tube 261 can increase the friction force between the solid carrying tube 261 and the ultrasonic couplant in the process of loss of the ultrasonic couplant, and on the other hand, under the guidance of the spiral groove 262, the ultrasonic couplant can be discharged along the spiral direction in the continuous discharging process, the spiral groove 262 increases the length of a discharging path, and the loss rate of the ultrasonic couplant is reduced.
As shown in fig. 7, the signal processing component includes a signal acquisition front end, a pulse signal generator, and a digital signal processor, the pulse signal generator transmits a pulse signal to the ultrasonic probe component, the signal acquisition front end filters and amplifies an electrical signal transmitted from the ultrasonic probe component, the signal acquisition front end converts the electrical signal into a digital signal and transmits the digital signal to the digital signal processor, and the digital signal processor processes and analyzes the received digital signal and transmits the digital signal to the imaging computer through the bus.
The working principle of the invention is as follows: the linear displacement module 11 drives the adjustment cylinder 12 to move, the adjustment cylinder 12 drives the connecting block 14 to move, the connecting block 14 drives the ultrasonic probe assembly 2 to move, the displacement path is set in advance by measuring the wheel axle size, and the ultrasonic probe can continuously move along the side wall of the wheel axle, so that the full coverage of the detection range is realized. The two three-jaw chucks 155 clamp the two ends of the wheel shaft, the driving motor 154 drives the wheel shaft to rotate, and the ultrasonic probe assembly 2 can detect the whole wheel shaft when the wheel shaft rotates. When the piezoelectric wafer 25 receives the pulse current and generates vibration, most of transverse waves generated by the piezoelectric wafer 25 are transmitted to the inner layer cover 24, most of longitudinal waves are transmitted to the resonance disk 26, the resonance disk 26 transmits the longitudinal waves into the wheel shaft for flaw detection, vibration energy of the transverse waves is converted into wind power by the damping component 27, the wind power pushes air flow to be emitted from the wind guide ring 28, the wind guide ring 28 changes the wind direction to the inner layer cover 24, the air flow is annular when being blown out, and annular wind limits the position of an ultrasonic couplant discharged by the release component 29.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A symmetrical ultrasonic imaging apparatus, characterized in that: the imaging device comprises a displacement adjusting assembly (1), an ultrasonic probe assembly (2), a signal processing assembly, an imaging computer (4), a bottom plate (5) and a regulating plate (6), wherein the displacement adjusting assembly (1) is fixedly connected with the bottom plate (5), the ultrasonic probe assembly (2) is fixedly connected with the displacement adjusting assembly (1), the signal processing assembly is arranged in the regulating plate (6), the imaging computer (4) is fixedly connected with the outer surface of the regulating plate (6), and the regulating plate (6) is fixedly connected with the side edge of the bottom plate (5); the displacement adjusting assemblies (1) are of symmetrical structures and are used for controlling the movement of the ultrasonic probe assemblies (2), the number of the ultrasonic probe assemblies (2) is two, and the two ultrasonic probe assemblies (2) are oppositely arranged;
the ultrasonic probe assembly (2) comprises a connecting rod (21), a fixed block (22), an outer layer cover (23), an inner layer cover (24), a piezoelectric wafer (25), a resonant disk (26), a damping part (27), an air guide ring (28) and a release part (29), wherein the connecting rod (21) is tightly connected with the fixed block (22), one end of the fixed block (22) far away from the connecting rod (21) is tightly connected with the inner layer cover (24) and the outer layer cover (23), the inner layer cover (24) is positioned in the outer layer cover (23), the fixed block (22) is provided with an air vent, the air vent is communicated with an interlayer between the inner layer cover (24) and the outer layer cover (23), one end of the damping part (27) is tightly connected with the inner surface of the outer layer cover (23), the other end of the damping part (27) is tightly connected with the outer surface of the inner layer cover (24), the damping part (27) is provided with a plurality of damping parts, the damping part (27) are uniformly distributed around the inner layer cover (24), the air guide ring (28) is tightly connected with the inner wall of the outer layer cover (23), the air guide ring (28) is tightly connected with the inner wall of the inner layer cover (23), the air guide ring (28) is arranged on one side of the inner layer cover (24) far away from the piezoelectric wafer (25), one surface of the piezoelectric wafer (25) far away from the fixed block (22) is fixedly connected with the resonance disk (26);
the release part (29) is including release ring (291), temporary storage chamber (292), discharge port (293), holding vessel (294), pressure disk (295), the one end fastening connection that fixed block (22) was kept away from to release ring (291) and inlayer cover (24), temporary storage chamber (292) are located release ring (291) inside, and temporary storage chamber (292) are linked together through pipeline and holding vessel (294) bottom, holding vessel (294) and connecting rod (21) fastening connection, pressure disk (295) are installed inside holding vessel (294), pressure disk (295) and holding vessel (294) inner wall sliding connection, discharge port (293) set up inside release ring (291), discharge port (293) one end and temporary storage chamber (292) are linked together, and discharge port (293) other end UNICOM is outside to release ring (291), the open position of discharge port (293) is towards resonance disk (26).
2. A symmetrical ultrasonic imaging apparatus according to claim 1, wherein: the displacement adjustment assembly (1) comprises a linear displacement module (11), an adjustment electric cylinder (12), a support frame (13), a connecting block (14), a displacement component (15) and a positioning plate (16), wherein the bottom of the linear displacement module (11) is fixedly connected with the top of the support frame (13), the bottom of the support frame (13) is fixedly connected with the upper surface of a bottom plate (5), the adjustment electric cylinder (12) is fixedly connected with a displacement platform of the linear displacement module (11), an output shaft of the adjustment electric cylinder (12) is fixedly connected with the connecting block (14), one end of the connecting block (14) away from the adjustment electric cylinder (12) is fixedly connected with the ultrasonic probe assembly (2), and the positioning plate (16), the displacement component (15) and the upper surface of the bottom plate (5) are fixedly connected.
3. A symmetrical ultrasonic imaging apparatus according to claim 2, wherein: the displacement component (15) comprises a sliding rail (151), a sliding plate (152), a motor mounting plate (153), a driving motor (154) and a three-jaw chuck (155), the sliding rail (151) is fixedly connected with a bottom plate (5), the sliding plate (152) is slidably connected with the sliding rail (151), the motor mounting plate (153) is fixedly connected with the upper surface of the sliding plate (152), the driving motor (154) is mounted on the motor mounting plate (153), the three-jaw chuck (155) is mounted on one side, far away from the driving motor (154), of the motor mounting plate (153), the three-jaw chuck (155) is rotationally connected with the motor mounting plate (153), an output shaft of the driving motor (154) penetrates through the motor mounting plate (153) and the three-jaw chuck (155) to be rotationally connected, and the other three-jaw chuck (155) is further mounted on the positioning plate (16) and rotationally connected with the positioning plate (16).
4. A symmetrical ultrasonic imaging apparatus according to claim 3, wherein: the damping part (27) comprises damping blocks (271), movable cavities (272), displacement pistons (273), air inlet channels (274) and air outlet channels (275), one end of each damping block (271) is fixedly connected with the inner surface of an outer layer cover (23), the other end of each damping block (271) is fixedly connected with the outer surface of an inner layer cover (24), the movable cavities (272) are arranged inside the damping blocks (271), the displacement pistons (273) are arranged inside the movable cavities (272), the displacement pistons (273) are slidably connected with the side walls of the movable cavities (272), two air inlet channels (274) are arranged, one ends of each two air inlet channels (274) are respectively communicated with two ends of the movable cavities (272), the other ends of each air inlet channel (274) are communicated with one end of each damping block (271) close to a fixed block (22), one end of each air outlet channel (275) is respectively communicated with two ends of each movable cavity (272), and the other ends of each air outlet channel (275) are communicated with one end of each damping block (271) close to an air guide ring (28).
5. The symmetrical ultrasonic imaging apparatus of claim 4, wherein: a plurality of solid carrying pipes (261) are connected below the resonance disk (26), and spiral grooves (262) are formed in the surfaces of the solid carrying pipes (261).
6. A symmetrical ultrasonic imaging apparatus according to claim 1, wherein: the signal processing assembly comprises a signal acquisition front end, a pulse signal generator and a digital signal processor, the pulse signal generator transmits pulse signals to the ultrasonic probe assembly, the signal acquisition front end filters and amplifies electric signals transmitted by the ultrasonic probe assembly, the signal acquisition front end converts the electric signals into digital signals and transmits the digital signals to the digital signal processor, and the digital signal processor processes and analyzes the received digital signals and then transmits the digital signals to the imaging computer through the bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310375728.1A CN116087333B (en) | 2023-04-11 | 2023-04-11 | Symmetrical ultrasonic imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310375728.1A CN116087333B (en) | 2023-04-11 | 2023-04-11 | Symmetrical ultrasonic imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116087333A CN116087333A (en) | 2023-05-09 |
| CN116087333B true CN116087333B (en) | 2023-06-16 |
Family
ID=86210611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310375728.1A Active CN116087333B (en) | 2023-04-11 | 2023-04-11 | Symmetrical ultrasonic imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116087333B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353480A (en) * | 2013-07-09 | 2013-10-16 | 中国科学院声学研究所 | Automatic ultrasonic flaw detection method and device for locomotive wheel shaft |
| CN104931583A (en) * | 2015-03-01 | 2015-09-23 | 江苏赛福探伤设备制造有限公司 | Ultrasonic phased array automatic flaw detector for railway vehicle axles |
| CN217443248U (en) * | 2022-05-11 | 2022-09-16 | 夏小燕 | Rail detection device for rail transit |
| CN115644932A (en) * | 2022-12-28 | 2023-01-31 | 广东恒腾科技有限公司 | Combined type ultrasonic detection device with accurate positioning function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5093699B2 (en) * | 2010-09-09 | 2012-12-12 | 住友金属工業株式会社 | Ultrasonic flaw detector at tube end |
| EP3508131A1 (en) * | 2018-01-03 | 2019-07-10 | Koninklijke Philips N.V. | Ultrasound transducer acoustic coupling |
-
2023
- 2023-04-11 CN CN202310375728.1A patent/CN116087333B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353480A (en) * | 2013-07-09 | 2013-10-16 | 中国科学院声学研究所 | Automatic ultrasonic flaw detection method and device for locomotive wheel shaft |
| CN104931583A (en) * | 2015-03-01 | 2015-09-23 | 江苏赛福探伤设备制造有限公司 | Ultrasonic phased array automatic flaw detector for railway vehicle axles |
| CN217443248U (en) * | 2022-05-11 | 2022-09-16 | 夏小燕 | Rail detection device for rail transit |
| CN115644932A (en) * | 2022-12-28 | 2023-01-31 | 广东恒腾科技有限公司 | Combined type ultrasonic detection device with accurate positioning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116087333A (en) | 2023-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106226031B (en) | Experimental device for be used for granule in viscous medium and wall collision experiment | |
| CN201116920Y (en) | Combined probe used for steel rail welding seam ultrasonic inspection | |
| US7228741B2 (en) | Alignment compensator for magnetically attracted inspecting apparatus and method | |
| CN102564694B (en) | Device for measuring response time of pressure-sensitive paint on pressure change | |
| CN103620082A (en) | Method of forming a cylindrical sputter target assembly | |
| CN108548653B (en) | Wall turbulence resistance testing method of surface groove structure | |
| CN116087333B (en) | Symmetrical ultrasonic imaging device | |
| CN110715981B (en) | Laser shock peening on-line detection method and device based on acoustic emission signals | |
| CN109425650A (en) | Pipeline internal inspection device and detection method | |
| CN103913353A (en) | Gas normal pressure sampling device suitable for vehicle-mounted measurement | |
| WO2010116791A1 (en) | Ultrasound flaw detection device for pipe ends | |
| CN116989709B (en) | Pipe measuring device and system | |
| CN116297871A (en) | Single ultrasonic transducer wheel type probe capable of continuously changing incidence angle | |
| CN219065374U (en) | Water immersion ultrasonic flaw detector for short metal shaft | |
| CN208091974U (en) | A kind of ultrasonic detection device applied to piston ring carrier | |
| CN201497732U (en) | Ultrasonic guided wave transducer with adjustable incidence angle | |
| CN109540599A (en) | With buoyancy Stratified Sampling and the fluid sampling device for chemical industry that can clear up automatically | |
| CN212321522U (en) | Automatic device of paining of ultrasonic testing couplant | |
| CN108827851B (en) | Fluid drag reduction effect testing device with surface microstructure | |
| CN114563074A (en) | Vibration detection system with high stability | |
| CN2427808Y (en) | Automatic ultrasonic detector for tube (pipe) material | |
| CN110006377A (en) | A kind of full-automatic compound plate thickness compares detection device | |
| CN114112471B (en) | Non-contact diagnosis platform for performance test of gas wave oscillation tube | |
| CN210282305U (en) | Flaw detection device of electric power metal part detection robot | |
| CN109632838A (en) | Automotive catalyst coating uniformity detection method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A symmetrical ultrasonic imaging device Effective date of registration: 20231027 Granted publication date: 20230616 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: ONOSTAR TECHNOLOGIES Co.,Ltd. Registration number: Y2023980063088 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |