CN214041276U - Underlying ultrasonic probe frame and detection system - Google Patents
Underlying ultrasonic probe frame and detection system Download PDFInfo
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- CN214041276U CN214041276U CN202022919940.4U CN202022919940U CN214041276U CN 214041276 U CN214041276 U CN 214041276U CN 202022919940 U CN202022919940 U CN 202022919940U CN 214041276 U CN214041276 U CN 214041276U
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- 238000005299 abrasion Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003708 edge detection Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000001028 reflection method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a lower ultrasonic probe frame, which comprises a mounting seat and a plurality of detecting units, wherein each detecting unit comprises a driving device, a lifting component and a probe component; the lifting assembly comprises a probe supporting rod and two connecting rods; one end of each connecting rod is rotatably connected with the mounting seat, the other end of each connecting rod is rotatably connected with the probe supporting rod, and the two connecting rods are arranged in parallel; the lifting assembly is fixed on the mounting seat, and the lifting end of the lifting assembly is connected with the probe supporting rod and drives the probe supporting rod to move up and down; the probe assemblies are arranged on the probe supporting rod, and the probe assemblies are arranged side by side and are used for detecting a plate to be detected; the plate to be detected is conveyed by an external conveying device and passes through the upper part of the probe assembly along the vertical direction of the arrangement direction of the probe assembly. The utility model discloses it does not receive the dust foreign matter interference to have to wait to detect the board, and probe lift drive is steady, the accurate technological effect of testing result.
Description
Technical Field
The utility model relates to an ultrasonic detection technical field especially relates to an underlying ultrasonic probe frame and detecting system.
Background
Ultrasonic pulse reflection method: when an ultrasonic wave encounters an interface formed of media having different acoustic impedances, a reflection phenomenon occurs. The pulse reflection method uses this principle to perform ultrasonic detection. A probe is used as both transmitting and receiving device, the received signal is displayed on the fluorescent screen of the flaw detector, and the existence, size and orientation of the flaw are judged according to the existence, size and position of the flaw and the reflected wave from the bottom surface.
The ultrasonic pulse reflection method can be used for detecting defects of plate-shaped objects, such as defects of steel plates. In the conventional ultrasonic plate object detection system, a probe is usually disposed above a plate object, and the probe is driven to be lifted by a general lifting drive device, thereby completing the detection of the plate object.
The mode of the probe top-mounted type and direct lifting driving has the following problems: when the probe is arranged on the upper part for detection, the detected side surface of the plate-shaped object is opposite to the detection surface of the probe, namely, is positioned above the detection surface, and foreign matters such as dust and the like are easy to accumulate, so that the detection result is influenced; simultaneously, owing to adopt direct lift drive's mode, lift drive arrangement and probe lug connection promptly can lead to the elevating movement of probe to appear rocking of other directions easily, can't guarantee the mild lift of higher degree, can't guarantee the stability and the accuracy of testing result.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an underneath type ultrasonic probe holder and a probing system, so as to solve the problems that dust is easily accumulated on a board to be tested, and the lifting motion of a probe is not stable, resulting in poor detection precision and stability.
The utility model provides a lower ultrasonic probe frame, which comprises a mounting seat and a plurality of detection units, wherein each detection unit comprises a driving device, a lifting assembly and a probe assembly; the lifting assembly comprises a probe supporting rod and two connecting rods;
one ends of the two connecting rods are rotatably connected with the mounting seat, the other ends of the two connecting rods are rotatably connected with the probe supporting rod, and the two connecting rods are arranged in parallel; the lifting assembly is fixed on the mounting seat, and the lifting end of the lifting assembly is connected with the probe supporting rod and drives the probe supporting rod to move up and down; the probe assemblies are arranged on the probe supporting rod, and the probe assemblies are arranged side by side and are used for detecting a plate to be detected; and the plate to be detected is conveyed by an external conveying device and passes through the upper part of the probe assembly along the direction vertical to the arrangement direction of the probe assembly.
Furthermore, the mounting base comprises a base and a support, the base is placed on the ground, the support is fixed to one side of the base, the lifting assembly is fixed to one side, opposite to the support, of the base, and one end of each of the two connecting rods is rotatably connected with the support.
Further, the driving device comprises a lower cylinder seat, an upper cylinder seat and a cylinder;
the lower cylinder seat is fixed on the mounting seat, the upper cylinder seat is fixed on the probe supporting rod, the cylinder is installed on the lower cylinder seat, and the lifting end of the cylinder is connected with the upper cylinder seat.
Furthermore, the probe assembly comprises a probe body, a probe fixing seat, a probe movable seat and a probe anti-abrasion cover plate;
the probe body is embedded in the probe fixing seat, and the probe fixing seat is fixed in the probe movable seat and is arranged on the probe supporting rod through the probe movable seat; the probe anti-abrasion cover plate is covered on the probe body, a probe window is arranged on the probe anti-abrasion cover plate, and the probe body extends into the probe window and is lower than the probe window.
Furthermore, the probe body is fixed in the probe fixing seat through a screw, an elastic column penetrates through the screw, and the elastic column is used for adjusting the installation height of the probe body.
Further, the detection unit further comprises a guide buffer plate, and the probe assembly further comprises a fixed fork pendulum;
a joint bearing is arranged at one end of the guide buffer plate, a ball head rod is fixed on the mounting seat, and the guide buffer plate is rotatably connected with the mounting seat through the joint bearing and the ball head rod; the other end of the guide buffer plate is fixedly connected with the probe assembly, the probe assembly can be rotatably connected to the fixed fork pendulum around the transmission direction of the plate to be detected, and the fixed fork pendulum is fixed on the probe supporting rod.
And the coupling agent conveying pipeline is arranged on the mounting seat and is used for spraying the coupling agent between the plate to be detected and the probe assembly.
The utility model also provides a lower ultrasonic detection system, which comprises the lower ultrasonic probe frame, a conveying device and a plate to be detected;
the conveying device comprises a roller wheel assembly, the roller wheel assembly comprises a pressing roller, a transmission roller and a transmission motor, the plate to be tested penetrates into the transmission roller and between the pressing rollers, an output shaft of the transmission motor is connected with a rotating shaft of the transmission roller and drives the transmission roller to rotate, and the lower ultrasonic probe frame is arranged below the plate to be tested.
Furthermore, the lower ultrasonic probe frame has two, two the lower ultrasonic probe frame is followed the transmission direction of waiting to detect the board sets gradually, two the probe subassembly quantity that two rows of probe subassemblies of lower ultrasonic probe frame contained is equal and the one-to-one, and corresponding probe subassembly staggers along probe subassembly direction of arranging and sets for the distance setting, and corresponding probe subassembly forms and overlaps the detection zone.
Furthermore, the device also comprises an edge detection device, and the edge detection device is used for detecting the edge position of the plate to be detected.
Has the advantages that: the utility model provides an underlying ultrasonic probe frame, through drive arrangement drive lifting unit's lift, and then realize probe unit's lift to realize probe unit to the detection of waiting to detect the board. The lifting assembly of the device adopts two connecting rods, a probe supporting rod and a mounting seat to form a parallel four-side model, and the lifting structure in the parallel four-side form can well realize the flat up and down of the probe assembly, so that the stable high-precision detection is realized. Meanwhile, a detection mode of an underlying type is adopted, namely the probe frame is positioned below the board to be detected, namely the surface to be detected of the board to be detected is arranged downwards, dust and foreign matters on the surface to be detected of the board to be detected can be effectively avoided by the aid of the underlying type detection mode, and the influence of the dust and the foreign matters on a detection result is avoided.
Drawings
FIG. 1 is a schematic view of an overall structure of a first embodiment of an underneath type ultrasonic probe holder according to the present invention;
FIG. 2 is a side view of the down-set ultrasonic probe holder of FIG. 1;
FIG. 3 is a schematic diagram of the overall configuration of one embodiment of the probe assembly of FIG. 1;
FIG. 4 is a cross-sectional view of the probe assembly of FIG. 3;
fig. 5 is a schematic structural diagram of a first embodiment of the underneath type ultrasonic detection system provided by the present invention;
fig. 6 is a schematic diagram illustrating the formation of the overlapping detection region of the first embodiment of the underneath type ultrasonic detection system according to the present invention;
reference numerals:
11. a base; 12. a support; 21. a lower cylinder seat; 22. an air cylinder upper seat; 23. a cylinder; 31. a probe support rod; 32. a connecting rod; 321. a bearing seat; 4. a probe assembly; 41. a probe body; 42. a probe fixing seat; 43. a probe movable seat; 44. a probe anti-wear cover plate; 45. a screw; 46. an elastic column; 47. fixing the fork pendulum; 471. a bearing fixing pin; 5. a guide buffer plate; 61. a knuckle bearing; 62. a ball-head rod; 7. a couplant delivery line; 100. an underneath type ultrasonic probe frame; 201. a compression roller; 202. a transfer roller; 300. a board to be tested; 400. and a side detecting device.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Example 1
As shown in fig. 1 and 2, embodiment 1 of the present invention provides an underneath type ultrasonic probe holder, including a mounting base and a plurality of detection units, where each detection unit includes a driving device, a lifting assembly, and a probe assembly 4; the lifting assembly comprises a probe support rod 31 and two connecting rods 32;
one end of each of the two connecting rods 32 is rotatably connected with the mounting seat, the other end of each of the two connecting rods 32 is rotatably connected with the probe supporting rod 31, and the two connecting rods 32 are arranged in parallel; the lifting assembly is fixed on the mounting seat, and the lifting end of the lifting assembly is connected with the probe supporting rod 31 and drives the probe supporting rod 31 to move up and down; the probe assemblies 4 are mounted on the probe supporting rod 31, and the probe assemblies 4 are arranged side by side and used for detecting a plate to be detected; the plate to be detected is conveyed by an external conveying device and passes through the upper part of the probe assembly 4 along the vertical direction of the arrangement direction of the probe assembly 4.
The underneath type ultrasonic probe frame provided by the embodiment drives the lifting component to lift through the driving device, so that the lifting of the probe component 4 is realized, and the probe component 4 can detect a plate to be detected. Specifically, the lifting assembly of the device adopts two connecting rods 32, a probe supporting rod 31 and a mounting seat to form a model in a parallelogram form, the lifting structure in the parallelogram form can well realize the flat up-down of the probe assembly 4, and the probe assembly 4 positioned at one corner of the parallelogram can be driven by the parallelogram to horizontally move up and down so as to complete the contact and separation actions of the probe and a plate to be measured. Meanwhile, the embodiment adopts a down-mounted detection mode, namely the probe frame is positioned below the board to be detected, namely the surface to be detected of the board to be detected is arranged downwards, and the down-mounted detection mode can effectively avoid dust and foreign matters accumulated on the surface to be detected of the board to be detected and avoid the influence of the dust and the foreign matters on a detection result. In the embodiment, the steel plate is detected by adopting the underneath type ultrasonic probe frame at the transmission speed of 60m/min, the waveform of the steel plate obtained by the probe is stable, and all indexes are qualified. When normal flaw detection is ensured, the mechanical structure is not easy to damage by the high-speed conveying plate, the occupied area is small, and the mechanical structure is easy to integrate with an on-site plate conveying line; the detection of the board to be detected is not interfered by dust and foreign matters, the lifting driving of the probe is stable, and the detection result is accurate.
Preferably, as shown in fig. 1 and 2, the mounting base includes a base 11 and a support 12, the base 11 is placed on the ground, the support 12 is fixed to one side of the base 11, the lifting assembly is fixed to one side of the base 11 opposite to the support 12, and one end of each of the two connecting rods 32 is rotatably connected to the support 12.
The base 11 provides a mounting bracket for the whole underlying ultrasonic probe frame, the support 12 is arranged opposite to the probe support rod 31 and provides a connecting fulcrum for the two connecting rods 32, so that the two connecting rods 32 are connected to form a flat upper flat lower lifting structure in a parallel four-edge form. Specifically, as shown in fig. 1 and 2, the connecting rod 32 is rotatably connected to the support 12 through a bearing seat 321.
Preferably, as shown in fig. 1 and 2, the driving device includes a lower cylinder seat 21, an upper cylinder seat 22, and a cylinder 23;
the lower cylinder seat 21 is fixed on the mounting seat, the upper cylinder seat 22 is fixed on the probe supporting rod 31, the cylinder 23 is mounted on the lower cylinder seat 21, and the lifting end of the cylinder 23 is connected with the upper cylinder seat 22.
The cylinder 23 is used for starting the probe supporting rod 31 to do lifting movement, and then the probe is driven to lift so as to detect the plate to be detected.
Preferably, as shown in fig. 3 and 4, the probe assembly 4 includes a probe body 41, a probe fixing seat 42, a probe moving seat 43, and a probe wear-resistant cover plate 44;
the probe body 41 is embedded in the probe fixing seat 42, the probe fixing seat 42 is fixed in the probe movable seat 43, and is mounted on the probe supporting rod 31 through the probe movable seat 43; the probe anti-abrasion cover plate 44 is arranged on the probe body 41 in a covering mode, a probe window is formed in the probe anti-abrasion cover plate 44, and the probe body 41 extends into the probe window and is lower than the probe window.
The probe wear-resistant cover plate 44 is directly contacted with the part of the plate to be detected, and provides a contact reference surface for detecting flaws, so that wear-resistant materials are preferably used for manufacturing, and in the embodiment, the surface of the probe wear-resistant cover plate 44 contacted with the plate to be detected is supported by hard wear-resistant materials. The probe body 41 is embedded in the probe window of the probe wear-resistant cover plate 44 and does not extend out of the probe window, so that the probe body 41 is prevented from being worn by a plate to be detected. The probe fixing frame is located below the probe wear-resistant cover plate 44 and used for fixing the probe body 41. The probe fixing seat 42 is movably installed on the probe supporting rod 31 through the probe, so that the whole probe assembly 4 can lift along with the probe supporting rod 31. The probe body 41 is used to convert the electrical pulses and emit ultrasonic waves to inspect the board under test.
Preferably, as shown in fig. 4, the probe body 41 is fixed in the probe fixing seat 42 by a screw 45, an elastic column 46 is further arranged on the screw 45 in a penetrating manner, and the elastic column 46 is used for adjusting the installation height of the probe body 41.
The probe assembly 4 of this embodiment provides a probe up-down fine adjustment mechanism, which can ensure that the height difference between the probe body 41 and the probe wear-resistant cover plate 44 is controlled within a reasonable range, thereby protecting the probe body 41 from being worn by the plate to be detected. The probe up-down fine adjustment mechanism is composed of two sets of screws 45, an elastic column 46 is sleeved on one set of screws 45, the elastic column 46 in the embodiment adopts a rubber barrel, the height of the probe body 41 can be increased, and the elastic column 46 is used for ensuring the pretightening force of the probe through elasticity; the other set of screws 45 is used for resisting the probe body 41, so that the height of the probe can be reduced.
Preferably, as shown in fig. 1, 2, 3 and 4, the probe unit further comprises a guide buffer plate 5, and the probe assembly 4 further comprises a fixed fork pendulum 47;
one end of the guide buffer plate 5 is provided with a joint bearing 61, a ball head rod 62 is fixed on the mounting seat, and the guide buffer plate 5 is rotatably connected with the mounting seat through the joint bearing 61 and the ball head rod 62; the other end of the guide buffer plate 5 is fixedly connected with the probe assembly 4, the probe assembly 4 can be rotatably connected to the fixed fork pendulum 47 around the transmission direction of the plate to be detected, and the fixed fork pendulum 47 is fixed on the probe supporting rod 31.
The board to be measured is transmitted to one side of the probe assembly 4 from one side of the guide buffer plate 5, and the guide buffer plate 5 plays a role in guiding the board to be measured to be transmitted to the probe assembly 4 smoothly and nondestructively. The guide buffer plate 5 is firstly contacted with the plate to be detected, and the guide buffer plate 5 has a self-adaptive adjusting function, so that the plate to be detected can swing and rotate left and right along the transmission direction of the plate to be detected, the plate to be detected is ensured to be gently transmitted to the guide buffer plate 5, when a probe is lifted to be detected, the plate to be detected can be allowed to ride across the probe at high speed, and the problem of damaging a probe frame can not occur.
Preferably, as shown in fig. 1 and 2, the test device further comprises a couplant conveying pipeline 7, wherein the couplant conveying pipeline 7 is arranged on the mounting seat and is used for spraying couplant between the board to be tested and the probe assembly 4.
The couplant conveying pipeline 7 is used for providing a couplant for flaw detection, the couplant in the embodiment is coupling water, the coupling water enters a cavity around the probe body 41 through a pipeline and is sprayed out from one side of the probe body 41 to form a water curtain, and after the plate to be detected is covered and pressed by the probe body 41 and the probe anti-abrasion cover plate 44, the gap between the probe body 41 and the plate to be detected is filled with the coupling water. The probe body 41 is not in direct contact with the plate to be detected, and a coupling agent layer is arranged in the middle of the probe body 41, so that the probe body 41 can be effectively protected, and the service life of the probe body is prolonged.
Example 2
As shown in fig. 5, embodiment 2 of the present invention provides an underneath type ultrasonic detection system, which includes the underneath type ultrasonic probe holder 100 provided in embodiment 1, a conveying device, and a board 300 to be detected;
the conveying device comprises a roller assembly, the roller assembly comprises a pressing roller 201, a transmission roller 202 and a transmission motor, the plate 300 to be tested penetrates through the transmission roller 202 and between the pressing rollers 201, an output shaft of the transmission motor is connected with a rotating shaft of the transmission roller 202 and drives the transmission roller 202 to rotate, and the underneath type ultrasonic probe frame 100 is arranged below the plate 300 to be tested.
The transmission motor drives the transmission roller 202 to rotate, so that the board 300 to be detected is conveyed, and the compression roller 201 applies certain pressure to the board 300 to be detected, so that the board 300 to be detected is conveyed along a certain path. Specifically, as shown in fig. 5, it is preferable that each of the press roller 201 and the transport roller 202 is provided in plural in the transport direction of the board to be tested. Preferably, the probe assembly is used for direct C-scan output after detection, so that defect area statistics is facilitated.
Preferably, as shown in fig. 5, there are two underneath type ultrasonic probe frames 100, two underneath type ultrasonic probe frames 100 are sequentially arranged along the transmission direction of the board 300 to be tested, the number of probe assemblies included in two rows of probe assemblies of the two underneath type ultrasonic probe frames 100 is equal and corresponds to one another, the corresponding probe assemblies are staggered by a set distance along the arrangement direction of the probe assemblies, and the corresponding probe assemblies form an overlapping detection area.
The relation between the scanning width of a single probe and the probe array during flaw detection is as follows:
the scanning width of a single probe is less than or equal to the effective sound beam width of the single probe;
the effective sound beam means that the central sound beam of the probe is attenuated to the two sides to half of the amplitude of the central sound beam, and the width of the sound beam is called as-6 dB. The probe effective beam width is a relative value in engineering applications, typically about 17mm (measured) for a 25mm wide wafer for a fbh3.0mm flat bottom hole. Therefore, if only one underneath type ultrasonic probe holder 100 is used to probe the board 300 to be tested, the effective beams of adjacent probe assemblies in a row of probe assemblies cannot form a continuous covered probe area on the board 300 to be tested, i.e. the effective beams of a row of probe assemblies have a blind probe area. In this regard, the present embodiment provides two underneath type ultrasonic probe holders 100, and two rows of probe assemblies are staggered, so that overlapping detection areas are formed by the corresponding probe assemblies, and detection blind areas are eliminated.
Specifically, as shown in fig. 6, fig. 6 shows two corresponding probe assemblies in two rows of probe assemblies, a gray portion in the two probe assemblies represents an effective sound beam range, where the effective sound beam range of one probe assembly is the portion L1, the effective sound beams formed by the two probe assemblies on the board 300 to be measured are a union of the effective sound beams of the two probe assemblies, an intersection of the effective sound beams of the two probe assemblies is an overlapping detection region, i.e., a black filled portion in the board 300 to be measured, and this overlapping detection region effectively eliminates a detection blind area, thereby achieving one-time comprehensive detection in the width direction of the board 300 to be measured.
Preferably, as shown in fig. 5, the apparatus further includes an edge detecting device 400, and the edge detecting device 400 is used for detecting the edge position of the board 300 to be detected.
The detection of the edge position of the board 300 to be detected is realized by the edge detecting device 400.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The underneath type ultrasonic probe frame is characterized by comprising a mounting seat and a plurality of detection units, wherein each detection unit comprises a driving device, a lifting assembly and a probe assembly; the lifting assembly comprises a probe supporting rod and two connecting rods;
one ends of the two connecting rods are rotatably connected with the mounting seat, the other ends of the two connecting rods are rotatably connected with the probe supporting rod, and the two connecting rods are arranged in parallel; the lifting assembly is fixed on the mounting seat, and the lifting end of the lifting assembly is connected with the probe supporting rod and drives the probe supporting rod to move up and down; the probe assemblies are arranged on the probe supporting rod, and the probe assemblies are arranged side by side and are used for detecting a plate to be detected; and the plate to be detected is conveyed by an external conveying device and passes through the upper part of the probe assembly along the direction vertical to the arrangement direction of the probe assembly.
2. The underneath type ultrasonic probe holder according to claim 1, wherein the mounting base comprises a base and a support, the base is placed on the ground, the support is fixed to one side of the base, the lifting assembly is fixed to the side of the base opposite to the support, and one end of each of the two connecting rods is rotatably connected with the support.
3. The underneath type ultrasonic probe holder according to claim 1, wherein the driving means comprises a cylinder lower seat, a cylinder upper seat and a cylinder;
the lower cylinder seat is fixed on the mounting seat, the upper cylinder seat is fixed on the probe supporting rod, the cylinder is installed on the lower cylinder seat, and the lifting end of the cylinder is connected with the upper cylinder seat.
4. The underneath type ultrasonic probe frame of claim 1, wherein the probe assembly comprises a probe body, a probe fixing seat, a probe movable seat and a probe anti-abrasion cover plate;
the probe body is embedded in the probe fixing seat, and the probe fixing seat is fixed in the probe movable seat and is arranged on the probe supporting rod through the probe movable seat; the probe anti-abrasion cover plate is covered on the probe body, a probe window is arranged on the probe anti-abrasion cover plate, and the probe body extends into the probe window and is lower than the probe window.
5. The underneath type ultrasonic probe holder according to claim 4, wherein the probe body is fixed in the probe fixing seat through a screw, an elastic column is further arranged on the screw in a penetrating manner, and the elastic column is used for adjusting the installation height of the probe body.
6. The underslung ultrasound probe holder of claim 1, wherein the probing unit further comprises a guide bumper plate, the probe assembly further comprising a fixed fork pendulum;
a joint bearing is arranged at one end of the guide buffer plate, a ball head rod is fixed on the mounting seat, and the guide buffer plate is rotatably connected with the mounting seat through the joint bearing and the ball head rod; the other end of the guide buffer plate is fixedly connected with the probe assembly, the probe assembly can be rotatably connected to the fixed fork pendulum around the transmission direction of the plate to be detected, and the fixed fork pendulum is fixed on the probe supporting rod.
7. The underneath type ultrasonic probe holder according to claim 1, further comprising a couplant delivery pipe disposed on the mount base and adapted to spray a couplant between a board to be tested and the probe assembly.
8. An underneath type ultrasonic detection system, characterized by comprising the underneath type ultrasonic probe holder according to any one of claims 1 to 7, further comprising a conveying device and a board to be detected;
the conveying device comprises a roller wheel assembly, the roller wheel assembly comprises a pressing roller, a transmission roller and a transmission motor, the plate to be tested penetrates into the transmission roller and between the pressing rollers, an output shaft of the transmission motor is connected with a rotating shaft of the transmission roller and drives the transmission roller to rotate, and the lower ultrasonic probe frame is arranged below the plate to be tested.
9. The underneath type ultrasonic detection system according to claim 8, wherein there are two underneath type ultrasonic probe frames, the two underneath type ultrasonic probe frames are sequentially arranged along the transmission direction of the board to be detected, the two rows of probe assemblies of the two underneath type ultrasonic probe frames have the same number of probe assemblies and correspond to each other one by one, the corresponding probe assemblies are arranged in a staggered manner along the arrangement direction of the probe assemblies by a set distance, and the corresponding probe assemblies form an overlapped detection area.
10. The underneath ultrasonic detection system according to claim 8, further comprising edge detection means for detecting the edge position of the board to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022919940.4U CN214041276U (en) | 2020-12-08 | 2020-12-08 | Underlying ultrasonic probe frame and detection system |
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| CN202022919940.4U CN214041276U (en) | 2020-12-08 | 2020-12-08 | Underlying ultrasonic probe frame and detection system |
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| CN214041276U true CN214041276U (en) | 2021-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557519A (en) * | 2020-12-08 | 2021-03-26 | 武汉中科创新技术股份有限公司 | Underlying ultrasonic probe frame and detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557519A (en) * | 2020-12-08 | 2021-03-26 | 武汉中科创新技术股份有限公司 | Underlying ultrasonic probe frame and detection system |
| CN112557519B (en) * | 2020-12-08 | 2024-09-13 | 武汉中科创新技术股份有限公司 | Underneath type ultrasonic probe frame and detection system |
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