CN112114040A - Ultrasonic detector and detection analysis method - Google Patents
Ultrasonic detector and detection analysis method Download PDFInfo
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- CN112114040A CN112114040A CN202010967140.1A CN202010967140A CN112114040A CN 112114040 A CN112114040 A CN 112114040A CN 202010967140 A CN202010967140 A CN 202010967140A CN 112114040 A CN112114040 A CN 112114040A
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000004458 analytical method Methods 0.000 title abstract description 10
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- 238000003466 welding Methods 0.000 claims description 17
- 230000007547 defect Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
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- 230000001360 synchronised effect Effects 0.000 claims description 2
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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
- G01N29/04—Analysing solids
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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
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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
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Abstract
The invention discloses an ultrasonic detector and a detection and analysis method, and particularly relates to the technical field of ultrasonic detection, which comprises a rack, wherein a control box and a base are respectively arranged at two ends of the rack along the vertical direction, a rotating part is arranged at the inner side of the base, a spherical workpiece is arranged above the rotating part, a worm is arranged at the outer side of the control box through a transmission assembly, an arc-shaped plate is arranged at the outer side of the worm, and a probe assembly is arranged at the outer side of the arc-shaped plate; the inner side groove of the arc-shaped plate is provided with a group of racks, the probe assembly comprises a driving gear meshed with the racks, a rotating rod is inserted outside the driving gear, the top end of the rotating rod is connected with a base plate in a shaft mode, the top end of the base plate is fixedly provided with a push rod motor and a first motor, and the top end of the push rod motor is fixedly provided with a probe. The invention can detect the surface weld of the spherical workpiece, has quick, simple and convenient operation, saves time and labor and is beneficial to improving the detection efficiency.
Description
Technical Field
The invention relates to the technical field of ultrasonic detection, in particular to an ultrasonic detector and a detection analysis method.
Background
The ultrasonic wave is a sound wave with the frequency higher than 20000Hz, has good directivity and strong reflection capability, is easy to obtain more concentrated sound energy, has a longer propagation distance in water than in air, and can be used for distance measurement, speed measurement, cleaning, welding, stone breaking, sterilization, disinfection and the like. The method has a plurality of applications in medicine, military, industry and agriculture;
the ultrasonic flaw detection is a testing means for inspecting the surface and internal quality of a part to be detected on the premise of not damaging a workpiece or the working state of a raw material, and the pulse reflection type ultrasonic flaw detector is most widely applied, generally in a uniform material, the existence of defects causes discontinuity of the material, the discontinuity often causes inconsistency of acoustic impedance, and the reflection theory knows that the ultrasonic wave is reflected on an interface of two media with different acoustic impedance, and the magnitude of the reflected energy is related to the difference of the acoustic impedance of the media on two sides of the interface and the orientation and the magnitude of the interface.
Aiming at the problems that no specific equipment and instruments are used for flaw detection of the surface weld joint of the spherical workpiece, the operation is complex, time-consuming and labor-consuming, and the improvement of the detection efficiency is not facilitated, an ultrasonic detector and a detection analysis method are provided.
Disclosure of Invention
Therefore, the invention provides an ultrasonic detector and a detection and analysis method, and aims to solve the problems that no specific equipment exists for surface weld seam flaw detection of a spherical workpiece, the operation is complicated, the time and the labor are wasted, and the improvement of the detection efficiency is not facilitated.
In order to achieve the above purpose, the invention provides the following technical scheme:
according to the first aspect of the invention, the ultrasonic detector and the detection and analysis method comprise a rack, wherein a control box and a base are respectively arranged at two ends of the rack in the vertical direction, a rotating part is arranged on the inner side of the base and is driven by a driving unit, a spherical workpiece is arranged above the rotating part, a clamping component is arranged on the inner side of the rotating part, a worm is arranged on the outer side of the control box through a transmission component, an arc-shaped plate is arranged on the outer side of the worm, and a probe component is arranged on the outer side of the arc-shaped plate;
a group of racks is arranged at the inner side groove of the arc-shaped plate, the probe assembly comprises a driving gear meshed with the group of racks, a rotating rod is inserted outside the driving gear, the top end of the rotating rod is connected with a base plate in a shaft mode, a push rod motor and a first motor are fixedly arranged at the top end of the base plate, a probe is fixedly arranged at the top end of the push rod motor, and a transmission gear group is fixedly arranged between the outside of the rotating rod and a driving shaft of the first motor;
the centre gripping subassembly is including radially inserting the second pivot of establishing in rotating the inside, and the second pivot is located the one end of rotating the inside and is connected with the master gear, and the master gear all meshes along horizontal both sides and has followed the gear, two it has first even axle to follow all the coupling between gear and the rotation piece, two the outer end of first even axle all is equipped with V type pole, and the one end of V type pole is equipped with the second and links the axle to the outside of second even axle has cup jointed rubber sleeve, the one end that the master gear was kept away from in the second pivot is connected driving motor.
Further, the drive unit is including setting up at the outside ring gear of rotating, the inside of base is close to the ring gear and has meshed drive gear and driven gear respectively along horizontal both ends, the fixed second motor that is equipped with in drive gear's outside.
Furthermore, the outside bolt fastening of control box has the transmission case, drive assembly is including setting up at the inside worm wheel that meshes mutually with the worm of transmission case, and the outside first pivot of pegging graft of worm wheel, first pivot runs through the one end connection driving motor of transmission case.
Furthermore, an inserted bar is inserted into the bottom end of the worm, and a bearing is sleeved at one end of the inserted bar, which extends into the worm.
Furthermore, the bottom end of the inserted bar is fixedly connected with an abutting piece.
Furthermore, the control box is internally provided with a high-frequency amplifier, a scanning generator, an oscillograph tube and a fluorescent screen, and the outside of the probe is provided with a socket and is connected with the control box through a data line.
Furthermore, the high-frequency amplifier is connected with the oscillograph tube through a detection circuit, the probe is connected with the scanning generator through a synchronous circuit, the scanning generator is electrically connected with the oscillograph tube, and the fluorescent screen is electrically connected with the oscillograph tube.
Further, an ultrasonic detection analysis method comprises the following steps, and is characterized in that:
the method comprises the following steps: firstly, placing a spherical workpiece at the top end of a clamping component in a corresponding rotating part, then, driving a driving motor connected with a second rotating shaft to drive the driving motor to rotate and then drive a main gear to rotate clockwise, so that two driven gears connected with the main gear rotate relatively, two V-shaped rods respectively approach to the spherical workpiece from a first connecting shaft on the two driven gears, meanwhile, the top ends of the V-shaped rods are abutted to the spherical workpiece through a rubber sleeve connected with a second connecting shaft, the clamping state is kept, and a coupling agent is coated on the spherical workpiece;
step two: according to the position of the welding seam on the outer side wall of the spherical workpiece, the position of the probe assembly relative to the arc-shaped plate is adjusted, and then the probe is pushed to approach the spherical workpiece through the push rod motor, so that the probe is ensured to correspond to the welding seam on the outer side of the spherical workpiece;
step three: then, when the transmission assembly in the transmission box drives the worm to rotate, the arc-shaped plate connected with one side of the bottom end of the worm is driven to rotate circumferentially, so that the probe assembly on the arc-shaped plate rotates along with the arc-shaped plate, and the probe moves relative to the welding seam position of the outer side wall of the spherical workpiece;
step four: ultrasonic sound beams are emitted by a probe, when the position of a welding seam of a spherical workpiece meets a defect and the inner wall of the workpiece, reflected waves are respectively generated, are amplified by a high-frequency amplifier through a transmitting circuit and then are transmitted into a wave tube through a detection circuit, meanwhile, the waves are scanned through a scanning generator, waveform display is formed on a fluorescent screen, the better the reflection effect is when the beams are close to and transversely vertical to the defect, the more obvious the waveform display is, otherwise, the weaker the display effect is in the longitudinal direction, and therefore the position and the size of the defect are judged.
The invention has the following advantages:
1. through the centre gripping subassembly that sets up, make the fixed centre gripping of spherical work piece in the top that rotates, and simultaneously, arc and the probe subassembly through setting up, the probe subassembly is under the drive of first motor, make its position on with the arc can be according to the welding seam position control on the spherical work piece, push rod motor impels the probe to be close to spherical work piece simultaneously, make the arc do cylindrical motion about the spherical work piece through the transmission subassembly that sets up, realize detecting a flaw of probe to the welding seam position, can detect a flaw to the surface welding seam of spherical work piece, the operation is quick simple and convenient, time saving and labor saving, be favorable to the improvement of detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other implementation drawings can be derived from the drawings provided by those of ordinary skill in the art without any creative effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic diagram of the internal structure provided by the present invention;
FIG. 3 is a schematic view of the overall structure of the probe assembly provided by the present invention;
FIG. 4 is a front view of an arcuate plate provided by the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 6 is a block diagram of a flaw detection system provided by the present invention;
in the figure: 1. a frame; 2. a control box; 3. a base; 4. a rotating member; 5. a spherical workpiece; 6. a worm; 7. an arc-shaped plate; 8. a probe; 9. a push rod motor; 10. a substrate; 11. a first motor; 12. rotating the rod; 13. a driving gear; 14. a drive gear set; 15. a rack; 16. a first rotating shaft; 17. a worm gear; 18. A ring gear; 19. a drive gear; 20. a second motor; 21. a driven gear; 22. a second rotating shaft; 23. a main gear; 24. a slave gear; 25. a first coupling shaft; 26. a V-shaped rod; 27. a second coupling shaft; 28. a rubber sleeve; 29. a socket; 30. a transmission case; 31. inserting a rod; 32. an abutting member; 33. a bearing; 34. a high-frequency amplifier; 35. a scan generator; 36. an oscillographic tube; 37. a fluorescent screen.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-6 of the specification, the ultrasonic detector and the detection and analysis method of the embodiment comprise a rack 1, wherein a control box 2 and a base 3 are respectively arranged at two ends of the rack 1 in the vertical direction, a rotating part 4 is arranged on the inner side of the base 3, the rotating part 4 is driven by a driving unit, a spherical workpiece 5 is arranged above the rotating part 4, a clamping assembly is arranged on the inner side of the rotating part 4, a worm 6 is arranged on the outer side of the control box 2 through a transmission assembly, an arc-shaped plate 7 is arranged on the outer side of the worm 6, and a probe assembly is arranged on the outer side of the arc-shaped plate 7;
a group of racks 15 are arranged at grooves on the inner side of the arc-shaped plate 7, the probe assembly comprises a driving gear 13 meshed with the group of racks 15, a rotating rod 11 is inserted outside the driving gear 13, the top end of the rotating rod 11 is connected with a base plate 10 in a shaft mode, a push rod motor 9 and a first motor 11 are fixedly arranged at the top end of the base plate 10, a probe 8 is fixedly arranged at the top end of the push rod motor 9, and a transmission gear set 14 is fixedly arranged between the outside of the rotating rod 11 and a driving shaft of the first motor 11;
the clamping assembly comprises a second rotating shaft 22 inserted in the rotating part 4 along the radial direction, one end of the second rotating shaft 22, which is positioned in the rotating part 4, is connected with a master gear 23, the two lateral sides of the master gear 23 are respectively engaged with slave gears 24, two first connecting shafts 25 are respectively coupled between the slave gears 24 and the rotating part 4, the outer ends of the two first connecting shafts 25 are respectively sleeved with a V-shaped rod 26, one end of the V-shaped rod 26 is provided with a second connecting shaft 27, the outer part of the second connecting shaft 27 is sleeved with a rubber sleeve 28, and one end, which is far away from the master gear 23, of the second rotating shaft 22 is connected with a driving motor.
Further, the driving unit comprises a gear ring 18 arranged outside the rotating part 4, a driving gear 19 and a driven gear 21 are respectively engaged at two ends of the inner part of the base 3 close to the gear ring 18 along the transverse direction, and a second motor 20 is fixedly arranged outside the driving gear 21.
Further, a transmission case 30 is fixed on the outer portion of the control case 2 through a bolt, the transmission assembly includes a worm wheel 17 disposed inside the transmission case 30 and engaged with the worm 6, a first rotating shaft 16 is inserted outside the worm wheel 17, and one end of the first rotating shaft 16 penetrating through the transmission case 30 is connected with a driving motor.
Furthermore, the bottom end of the worm 6 is inserted with an insert rod 31, and a bearing 33 is sleeved on one end of the insert rod 31 extending into the worm 6.
Furthermore, the bottom end of the insert rod 31 is fixedly connected with an abutting part 33, and the abutting part is contacted with the spherical workpiece 5 and is matched with the clamping of the clamping component.
Further, the control box 2 houses a high frequency amplifier 34, a scan generator 35, an oscillograph tube 36 and a fluorescent screen 37, and the probe 8 is provided with a socket 29 on the outside and connected to the control box 2 via a data line.
Further, the high frequency amplifier 34 is connected to the oscillotron 36 through a detection circuit, the probe 8 is connected to the scan generator 35 through a synchronization circuit, the scan generator 35 is electrically connected to the oscillotron 36, and the fluorescent screen 37 is electrically connected to the oscillotron 26.
Further, an ultrasonic detection analysis method comprises the following steps, and is characterized in that:
the method comprises the following steps: firstly, placing the spherical workpiece 5 corresponding to the top end of the clamping component in the rotating part 4, then, driving the driving motor connected with the second rotating shaft 22 to drive the main gear 23 to rotate clockwise after driving the driving motor to rotate, so that the two driven gears 24 connected with the main gear 23 rotate relatively, the two driven gears 24 are respectively provided with two V-shaped rods 26 on the first connecting shafts 25, the two V-shaped rods 26 approach to the spherical workpiece 5, meanwhile, the top ends of the V-shaped rods 26 are abutted to the spherical workpiece 5 through rubber sleeves 28 connected with the second connecting shafts 27, the clamping state is kept, and a coupling agent is coated on the spherical workpiece 5;
step two: according to the position of the welding seam on the outer side wall of the spherical workpiece 5, the position of the probe assembly relative to the arc-shaped plate 7 is adjusted, and then the probe 8 is pushed by the push rod motor 9 to approach the spherical workpiece 5, so that the probe 8 is ensured to correspond to the welding seam on the outer side of the spherical workpiece 5;
step three: then, when the transmission assembly in the transmission box 30 drives the worm 6 to rotate, the arc plate 7 connected with one side of the bottom end of the worm 6 is driven to rotate circumferentially, so that the probe assembly on the arc plate 7 rotates along with the arc plate, and the probe 8 and the welding seam position of the outer side wall of the spherical workpiece 5 generate relative movement;
step four: ultrasonic sound beams are emitted by the probe 8, when the ultrasonic sound beams meet defects and the inner wall of a workpiece through the welding seam of the spherical workpiece 5, reflected waves are respectively generated, are amplified by a transmitting circuit to a high-frequency amplifier 34 and are transmitted into an oscillograph 36 after passing through a detection circuit, meanwhile, the ultrasonic sound beams are scanned by a scanning generator 35, waveform display is formed on a fluorescent screen 37, when the beam is close to the defects to be transversely vertical, the reflection effect is better, the waveform display is more obvious, otherwise, the display effect is weaker in the longitudinal direction, and therefore the position and the size of the defects are judged.
The implementation scenario is specifically as follows: the spherical workpiece 5 is placed corresponding to the top end of the clamping component in the rotating part 4, then, the driving motor connected with the second rotating shaft 22 drives the main gear 23 to rotate clockwise after driving the same to rotate, so that the two secondary gears 24 connected with the main gear 23 rotate relatively, the two primary connecting shafts 25 on the secondary gears 24 respectively drive the two V-shaped rods 26 to approach to the spherical workpiece 5, meanwhile, the top ends of the V-shaped rods 26 are abutted to the spherical workpiece 5 through the rubber sleeve 28 connected with the second connecting shaft 27, the clamping state is kept, the coupling agent is coated on the spherical workpiece 5, according to the welding seam position of the outer side wall of the spherical workpiece 5, the rotating rod 13 rotates to drive the driving gear 13 at the bottom end to move relatively with the rack 15 on the arc-shaped plate 7, so that the position of the probe 8 is adjusted on the arc-shaped plate 7, then, the push rod motor 9 pushes the probe 8 to approach the spherical workpiece 5 to ensure that the probe 8 corresponds to the weld on the outer side of the spherical workpiece 5, then the driving motor drives the first rotating shaft 16 to rotate so that the worm wheel 17 and the worm 6 rotate mutually, when the worm 6 rotates, the arc plate 7 connected with one side of the bottom end of the worm 6 is driven to rotate circumferentially, the probe assembly on the arc plate 7 rotates along with the first rotating shaft, the probe 8 moves relative to the weld on the outer side wall of the spherical workpiece 5, when the ultrasonic sound beam is emitted by the probe 8 and passes through the weld on the spherical workpiece 5 and meets the defect and the inner wall of the workpiece, reflected waves are respectively generated and transmitted to the high-frequency amplifier 34 through the transmitting circuit, amplified by the wave detection circuit and then transmitted into the oscillograph tube 36, and simultaneously, the ultrasonic sound beam is scanned by the scanning generator 35, the wave, the better the reflection effect, the more obvious the waveform display is, otherwise, the weaker the display effect is in the longitudinal direction, thereby judging the position and size of the defect.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. An ultrasonic testing machine, comprising a machine frame (1), characterized in that: the device comprises a rack (1), a control box (2) and a base (3) are respectively arranged at two ends of the rack (1) in the vertical direction, a rotating piece (4) is arranged on the inner side of the base (3), the rotating piece (4) is driven by a driving unit, a spherical workpiece (5) is arranged above the rotating piece (4), a clamping assembly is arranged on the inner side of the rotating piece (4), a worm (6) is arranged on the outer side of the control box (2) through a transmission assembly, an arc-shaped plate (7) is arranged on the outer side of the worm (6), and a probe assembly is arranged on the outer side of the arc-shaped plate (7;
a group of racks (15) are arranged at grooves on the inner side of the arc-shaped plate (7), the probe assembly comprises a driving gear (13) meshed with the group of racks (15), a rotating rod (11) is inserted outside the driving gear (13), the top end of the rotating rod (11) is connected with a base plate (10) in a shaft mode, a push rod motor (9) and a first motor (11) are fixedly arranged at the top end of the base plate (10), a probe (8) is fixedly arranged at the top end of the push rod motor (9), and a transmission gear set (14) is fixedly arranged between the outside of the rotating rod (11) and a driving shaft of the first motor (11);
the clamping assembly comprises a second rotating shaft (22) which is inserted in the rotating part (4) in the radial direction, one end, located in the rotating part (4), of the second rotating shaft (22) is connected with a main gear (23), the two ends, located in the rotating part (4), of the main gear (23) are meshed with slave gears (24) on the two transverse sides, two first connecting shafts (25) are connected between the slave gears (24) and the rotating part (4) in a shaft coupling mode, the outer ends of the first connecting shafts (25) are sleeved with V-shaped rods (26), one ends of the V-shaped rods (26) are provided with second connecting shafts (27), rubber sleeves (28) are sleeved on the outer portions of the second connecting shafts (27), and one ends, far away from the main gear (23), of the second rotating shaft (22) are connected with a driving motor.
2. An ultrasonic testing apparatus according to claim 1, wherein: the drive unit comprises a gear ring (18) arranged outside the rotating part (4), the inside of the base (3) is close to the gear ring (18) and is respectively meshed with a drive gear (19) and a driven gear (21) along the two transverse ends, and a second motor (20) is fixedly arranged outside the drive gear (21).
3. An ultrasonic testing apparatus according to claim 1, wherein: the outside bolt fastening of control box (2) has transmission case (30), drive assembly is including setting up inside transmission case (30) and worm wheel (17) with worm (6) engaged with mutually, and the outside of worm wheel (17) first pivot (16) of pegging graft, drive motor is connected to one end that first pivot (16) run through transmission case (30).
4. An ultrasonic testing apparatus according to claim 1, wherein: the bottom end of the worm (6) is inserted with an inserted bar (31), and one end of the inserted bar (31) extending into the worm (6) is sleeved with a bearing (33).
5. An ultrasonic testing apparatus according to claim 4, wherein: the bottom end of the inserted bar (31) is fixedly connected with an abutting piece (33).
6. An ultrasonic testing apparatus according to claim 1, wherein: the control box (2) is internally provided with a high-frequency amplifier (34), a scanning generator (35), an oscillograph tube (36) and a fluorescent screen (37), and the outside of the probe (8) is provided with a socket (29) and is connected with the control box (2) through a data line.
7. An ultrasonic testing apparatus according to claim 6, wherein: the high-frequency amplifier (34) is connected with the oscillograph tube (36) through a detection circuit, the probe (8) is connected with the scanning generator (35) through a synchronous circuit, the scanning generator (35) is electrically connected with the oscillograph tube (36), and the fluorescent screen (37) is electrically connected with the oscillograph tube (26).
8. An ultrasonic testing and analyzing method as claimed in any one of claims 1 to 7, comprising the steps of:
the method comprises the following steps: firstly, placing a spherical workpiece (5) at the top end of a clamping component in a corresponding rotating part (4), then, driving a driving motor connected with a second rotating shaft (22) to drive the driving motor to rotate and then drive a main gear (23) to rotate clockwise, so that two driven gears (24) connected with the main gear (23) rotate relatively, two V-shaped rods (26) are respectively close to the spherical workpiece (5) through first connecting shafts (25) on the two driven gears (24), meanwhile, the top ends of the V-shaped rods (26) are abutted to the spherical workpiece (5) through rubber sleeves (28) connected with second connecting shafts (27), the clamping state is kept, and a coupling agent is coated on the spherical workpiece (5);
step two: according to the position of the welding seam on the outer side wall of the spherical workpiece (5), the position of the probe assembly relative to the arc-shaped plate (7) is adjusted, then the probe (8) is pushed to approach the spherical workpiece (5) through the push rod motor (9), and the probe (8) is ensured to correspond to the welding seam on the outer side of the spherical workpiece (5);
step three: then, when the transmission assembly in the transmission box (30) drives the worm (6) to rotate, the arc-shaped plate (7) connected with one side of the bottom end of the worm (6) is driven to rotate circumferentially, so that the probe assembly on the arc-shaped plate (7) rotates along with the arc-shaped plate, and the probe (8) and the welding seam position of the outer side wall of the spherical workpiece (5) move relatively;
step four: ultrasonic sound beams are emitted by a probe (8) and pass through the welding seam position of a spherical workpiece (5) and when the ultrasonic sound beams meet defects and the inner wall of the workpiece, reflected waves are respectively generated, are amplified by a transmitting circuit to a high-frequency amplifier (34), are transmitted into an oscillograph tube (36) after being amplified by a detection circuit, and are scanned by a scanning generator (35) to form waveform display on a fluorescent screen (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010967140.1A CN112114040A (en) | 2020-09-15 | 2020-09-15 | Ultrasonic detector and detection analysis method |
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| CN202010967140.1A CN112114040A (en) | 2020-09-15 | 2020-09-15 | Ultrasonic detector and detection analysis method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607022A (en) * | 2020-12-29 | 2021-04-06 | 国网山东省电力公司蒙阴县供电公司 | Power transmission and distribution line inspection device |
| CN113376249A (en) * | 2021-06-04 | 2021-09-10 | 泉州市德源轴承实业有限公司 | Flaw detection device for outer spherical surface bearing ring |
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| GB2068550A (en) * | 1980-02-05 | 1981-08-12 | Kugelfischer G Schaefer & Co | Apparatus for detecting material and/or machining defects in or on the surface of a ball |
| JP2010127621A (en) * | 2008-11-25 | 2010-06-10 | Amatsuji Steel Ball Mfg Co Ltd | Automatic sphere inspection method and device for the same with ultrasonic flaw detection system |
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| CN112607022B (en) * | 2020-12-29 | 2021-11-16 | 国网山东省电力公司蒙阴县供电公司 | Power transmission and distribution line inspection device |
| CN113376249A (en) * | 2021-06-04 | 2021-09-10 | 泉州市德源轴承实业有限公司 | Flaw detection device for outer spherical surface bearing ring |
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