Electromagnetic ultrasonic non-contact automatic detection equipment and detection system for welding seam of bottom plate of oil storage tank

Abstract

The invention provides electromagnetic ultrasonic non-contact automatic detection equipment and a detection system for oil storage tank bottom plate welding seams, and relates to the technical field of electromagnetic ultrasonic detection.The detection equipment comprises a driving trolley, a detection supporting table, an extension arm and a detection unit, and the detection supporting table is welded to the top of the driving trolley; a top plate and a fixing disc are welded to the surface of the detection supporting table, the detection unit comprises a supporting assembly, a switching assembly and a fence mechanism, the switching assembly drives a trolley to be placed on an oil storage tank bottom plate, and the tail end of an extension arm is sleeved with a guide wheel; according to the invention, the plane area of the bottom plate of the oil storage tank and the cambered surface area of the side edge can be automatically detected, the distance between the electromagnetic ultrasonic probe and the detection plane can be always kept fixed, and impurities adhered to the inner wall of the oil storage tank can be prevented from being in contact with the electromagnetic ultrasonic probe. And when the switching assembly changes the detection range, the coverage range of the visual module can be synchronously switched at the same time.

Description

Technical Field

[0001] This invention relates to the field of electromagnetic ultrasonic testing technology, specifically to an electromagnetic ultrasonic non-contact automatic testing equipment and system for weld seams on the bottom plate of oil storage tanks. Background Technology

[0002] Electromagnetic ultrasonic testing technology generates eddy currents on the surface of a workpiece using a high-frequency coil. These eddy currents, under the influence of an external magnetic field, produce mechanical vibrations, generating ultrasonic waves. These ultrasonic waves propagate within the workpiece and interact with internal defects, altering their propagation direction or characteristics. By receiving, processing, and analyzing these altered ultrasonic signals through testing equipment, the presence and characteristics of defects in the workpiece and its internal structure can be assessed. Therefore, electromagnetic ultrasonic non-contact testing technology is frequently used in the inspection of welded areas on the bottom plates of oil storage tanks, and it is also commonly used in the testing, metrology, and certification services for new materials.

[0003] In the existing technology, electromagnetic ultrasonic testing equipment used for weld seams of oil storage tank bottom plates needs to ensure that the inner probe part and the plane to be tested are always in a fixed gap. Therefore, the open end of the outer shell will directly press and adhere to the plane to be tested. This will cause the outer shell part of the probe to continuously rub against the plane to be tested during long-term, large-range measurements, which can easily cause wear on the shell part and even affect the actual gap between the probe and the plane. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide an electromagnetic ultrasonic non-contact automatic inspection device and system for weld seams on the bottom plate of oil storage tanks, thereby solving the problems mentioned in the background art. The present invention can automatically inspect both the planar area and the side arc area of ​​the bottom plate of the oil storage tank, and can ensure that the distance between the electromagnetic ultrasonic probe and the inspection plane remains fixed at all times, and can also prevent impurities adhering to the inner wall of the oil storage tank from coming into contact with the electromagnetic ultrasonic probe.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an electromagnetic ultrasonic non-contact automatic inspection device for weld seams of oil storage tank bottom plates, comprising an inspection device body, the inspection device body including a drive trolley, an inspection platform, an extension arm, and an inspection unit. The top of the drive trolley is welded to the inspection platform, and the surface of the inspection platform is welded to a top plate and a fixing plate. The inspection unit includes a support assembly, a switching assembly, and a containment mechanism. The switching assembly drives the trolley to be placed on the oil storage tank bottom plate. The end of the extension arm is fitted with a guide wheel, the side of which is used to abut against the side of the oil storage tank bottom plate. An electromagnetic ultrasonic probe is installed inside the containment mechanism, and a gap is provided between the electromagnetic ultrasonic probe and the surface of the area to be tested. A lead screw is inserted through the top of the support assembly, and the switching assembly is installed on the surface of the support assembly. The switching assembly controls the containment mechanism to perform a flipping motion.

[0006] Furthermore, a top plate is welded to the surface of the testing platform, a motor is screwed to one bottom end of the top plate, a lower hanging plate is welded to the bottom end of the top plate, and a lead screw is inserted into the output end of the motor.

[0007] Furthermore, the end of the lead screw is embedded into the inner side of the lower hanging plate through a bearing, a fixing plate is welded to the surface of the detection platform, an extension arm is welded to the side of the fixing plate, a first spring rod is inserted in the middle of the extension arm, and there are two extension arms and two guide wheels, and the guide wheels and extension arms are installed symmetrically on both sides of the top plate.

[0008] Furthermore, the support assembly includes a vertical plate and a horizontal plate. The surface of the vertical plate is provided with a lifting groove, the end of the horizontal plate is provided with a locking hole, and the top of the vertical plate is integrally formed with a threaded sleeve.

[0009] Furthermore, the vertical plate and the horizontal plate are bent at a right angle, the threaded sleeve is fitted onto the surface of the lead screw, and the top of the vertical plate is integrally formed with a limiting slide plate, which rests against the bottom of the top plate.

[0010] Furthermore, the switching assembly includes a switching frame, a rotating shaft, and an extension plate. The rotating shaft is inserted in the middle of the switching frame, and an extension plate is integrally formed at one end of the switching frame. Positioning wheels are inserted at the end of the switching frame, and the enclosure mechanism is installed inside the two positioning wheels.

[0011] Furthermore, a locking bolt is inserted at the end of the extension plate, which is used to be embedded in the locking hole or the inside of the lifting groove. The end of the rotating shaft is embedded in the inside of the lifting groove. A connecting plate is integrally formed on the surface of the switching frame, and a vision module is screwed onto the surface of the connecting plate.

[0012] Furthermore, the enclosure mechanism includes side panels, an arc-shaped plate, and a pressing plate. The side panels are welded to both sides of the arc-shaped plate, and a fixing plate is welded to the inner wall of the arc-shaped plate. A lifting plate is integrally formed at the top of the pressing plate, and a second spring rod is welded to the top of the lifting plate.

[0013] Furthermore, the second spring rod passes through the surface of the fixed plate, and the two ends of the spring on the second spring rod are welded to the surfaces of the fixed plate and the lifting plate, respectively. A support shaft is inserted into the inner side of the positioning wheel, and a fixed sleeve is welded to the middle of the support shaft. The electromagnetic ultrasonic probe is screwed into the inner side of the fixed sleeve.

[0014] A detection system using the above-mentioned detection equipment includes a drive control system, a positioning system, and a detection unit. The positioning system is also equipped with a vision module, which is used to capture and identify welds within the test area of ​​the bottom plate of the oil storage tank. The detection unit is equipped with a data transmission unit, an electromagnetic ultrasonic probe, and a data processing and analysis module. The analysis module is trained on a deep learning classification model, and the training data covers typical defects of the tank welds.

[0015] The beneficial effects of this invention are:

[0016] 1. This electromagnetic ultrasonic non-contact automatic inspection equipment for the weld seams of oil storage tank bottom plates provides support for the end inspection unit via a top plate and can control the translational movement of the inspection unit. The inspection unit, in conjunction with a switching component, can directly control the tilting and lifting of the electromagnetic ultrasonic probe at the bottom. Therefore, it can automatically inspect both the planar area and the curved side area of ​​the oil storage tank bottom plate. This expands the applicable inspection range and makes it suitable for the testing and measurement of new materials.

[0017] 2. The electromagnetic ultrasonic non-contact automatic inspection equipment for the bottom plate weld of oil storage tank has a baffle mechanism installed on the outside of the electromagnetic ultrasonic probe. The baffle mechanism can make contact with the part of the plane to be measured, expand the baffle area provided to the electromagnetic ultrasonic probe, and at the same time, it will not change the gap distance between the electromagnetic ultrasonic probe and the plane to be measured due to long-term friction. It can also scrape and clean the impurities accumulated and adhered on the test path, making the measurement more standardized.

[0018] 3. This electromagnetic ultrasonic non-contact automatic inspection system for the bottom plate weld of oil storage tanks uses a surface vision module to capture and identify the plane of the inspection area. This, in conjunction with the drive control system, moves the entire inspection unit. As the inspection range is changed by the switching components, the coverage area of ​​the vision module can also be switched synchronously to ensure that an effective recognition image is provided. The system also allows for flexible adjustment of the inspection range of the inspection unit, facilitating the certification and accreditation process of the inspection results. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of the electromagnetic ultrasonic non-contact automatic inspection device for the bottom plate weld of an oil storage tank according to the present invention.

[0020] Figure 2 This is a schematic diagram of the detection unit of the present invention;

[0021] Figure 3 This is a structural diagram of the support component portion of the present invention;

[0022] Figure 4 This is a schematic diagram of the electromagnetic ultrasonic probe portion of the present invention;

[0023] Figure 5 This is a cross-sectional view of the enclosure mechanism of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the detection platform portion of the present invention;

[0025] Figure 7 This is a state diagram of the detection unit of the present invention detecting the sidewall region;

[0026] Figure 8 This is a schematic diagram of the electromagnetic ultrasonic non-contact automatic detection system for weld seams of oil storage tank bottom plates according to the present invention.

[0027] In the diagram: 1. Drive trolley; 2. Detection platform; 3. Top plate; 4. Fixed plate; 5. Extension arm; 6. First spring rod; 7. Guide wheel; 8. Detection unit; 9. Support assembly; 10. Switching assembly; 11. Enclosure mechanism; 12. Connecting plate; 13. Vision module; 14. Vertical plate; 15. Horizontal plate; 16. Rotating shaft; 17. Locking hole; 18. Lifting groove; 19. Threaded sleeve; 20. Switching frame; 21. Positioning wheel; 22. Support shaft; 23. Fixed sleeve; 24. Electromagnetic ultrasonic probe; 25. Fixed rod; 26. Side baffle; 27. Fixed plate; 28. Pressing plate; 29. ​​Lifting plate; 30. Second spring rod; 31. Lower hanging plate; 32. Lead screw; 33. Motor; 34. Extension plate; 35. Locking bolt; 36. Arc plate; 37. Limiting slide plate. Detailed Implementation

[0028] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0029] Please see Figures 1 to 8The present invention provides the following technical solution: an electromagnetic ultrasonic non-contact automatic inspection device for weld seams of oil storage tank bottom plates, comprising an inspection device body, the inspection device body including a drive trolley 1, an inspection platform 2, an extension arm 5, and an inspection unit 8. The top of the drive trolley 1 is welded with the inspection platform 2, and the surface of the inspection platform 2 is welded with a top plate 3 and a fixing plate 4. The inspection unit 8 includes a support component 9, a switching component 10, and a containment mechanism 11. The switching component 10 drives the trolley 1 to be placed on the oil storage tank bottom plate. The end of the extension arm 5 is fitted with a guide wheel 7, and the side of the guide wheel 7 is used to abut against the side of the tank body of the oil storage tank bottom plate. An electromagnetic ultrasonic probe 24 is installed inside the containment mechanism 11, and a gap is provided between the electromagnetic ultrasonic probe 24 and the surface of the area to be tested. A lead screw 32 is inserted through the top of the support component 9, and the switching component 10 is installed on the surface of the support component 9. The switching component 10 is used to control the containment mechanism 11 to perform a flipping motion. This automatic inspection equipment is used to inspect weld seams on the flat surface of the bottom plate of an oil storage tank or weld seams in the arc-shaped area between the bottom plate edge and the inner wall.

[0030] In use, the present invention involves placing the drive trolley 1 onto the surface of the bottom plate of the oil storage tank and having it rest against the inner wall of the edge of the bottom plate via the guide wheels 7 connected to the detection platform 2. Then, the drive trolley 1 is started, moving the detection unit 8 on one side. The detection unit 8 can change the orientation of the inner electromagnetic ultrasonic probe 24 by manually adjusting the switching component 10, so that the electromagnetic ultrasonic probe 24 can be vertically facing the bottom or horizontally facing the weld seam in the side area for detection. As the drive trolley 1 moves and the vision module 13 identifies the weld seam in the bottom or side area, the electromagnetic ultrasonic probe 24 at the bottom can be guided to always detect the path of the weld seam. During the detection process, the area aligned with the electromagnetic ultrasonic probe 24 is always blocked by the enclosure mechanism 11 to reduce interference from external airflow or impurities, and the area to be moved in later is scraped and cleaned in advance.

[0031] In this embodiment, a top plate 3 is welded to the surface of the testing platform 2. A motor 33 is screwed to one bottom end of the top plate 3, and a lower hanging plate 31 is welded to the bottom end of the top plate 3. A lead screw 32 is inserted into the output end of the motor 33. The end of the lead screw 32 is embedded into the inner side of the lower hanging plate 31 through a bearing. A fixing plate 4 is welded to the surface of the testing platform 2, and an extension arm 5 is welded to the side of the fixing plate 4. A first spring rod 6 is inserted in the middle of the extension arm 5. There are two extension arms 5 and two guide wheels 7, and the guide wheels 7 and the extension arms 5 are symmetrically installed on both sides of the top plate 3. Specifically, the guide wheel 7 at the end of the test platform 2 is controlled by the extension arm 5 to abut against the inner wall of the bottom plate of the oil storage tank. After the drive trolley 1 is started, it can always move against the edge of the bottom plate, so that the movement range of the drive trolley 1 can be limited to the area around the weld. In conjunction with the vision module 13 at the bottom, further precise control can be achieved, thereby ensuring that the electromagnetic ultrasonic probe 24 on the inner side can always cover the area around the weld to complete the detection process. The pressure between the guide wheel 7 and the inner wall is buffered by the first spring rod 6, ensuring that the drive trolley 1 moves more stably along the inner wall.

[0032] In this embodiment, the support assembly 9 includes a vertical plate 14 and a horizontal plate 15. The surface of the vertical plate 14 has a lifting groove 18, and one end of the horizontal plate 15 has a locking hole 17. A threaded sleeve 19 is integrally formed at the top of the vertical plate 14. The vertical plate 14 and the horizontal plate 15 are bent at a right angle. The threaded sleeve 19 is fitted onto the surface of the lead screw 32. A limiting slide plate 37 is integrally formed at the top of the vertical plate 14, and the limiting slide plate 37 rests against the bottom of the top plate 3.

[0033] Specifically, the support assembly 9 is controlled by the motor 33 to rotate the lead screw 32. The lead screw 32, in turn, controls the entire support assembly 9 to move along the lead screw 32 through the threaded sleeve 19. The top of the vertical plate 14 is supported by the limiting slide plate 37 against the bottom of the top plate 3. Therefore, only the bottom switching assembly 10 and the enclosure mechanism 11 can be moved. This translation effect is used to flexibly adjust the electromagnetic ultrasonic probe 24 according to the specific position of the bottom weld. Since the bottom plate of the oil tank is circular, the weld is also circular. With the help of the adjustment of the lead screw 32 and the positioning of the entire testing equipment by the guide wheel 7, the movement path of the electromagnetic ultrasonic probe 24 can be adjusted according to the specific position of the weld, making it easier to align the electromagnetic ultrasonic probe 24 with the position of the weld.

[0034] In this embodiment, the switching assembly 10 includes a switching frame 20, a rotating shaft 16, and an extension plate 34. The rotating shaft 16 is inserted in the middle of the switching frame 20, and the extension plate 34 is integrally formed at one end of the switching frame 20. Positioning wheels 21 are inserted at the end of the switching frame 20, and the enclosure mechanism 11 is installed inside the two positioning wheels 21. A locking bolt 35 is inserted at the end of the extension plate 34, and the locking bolt 35 is used to embed into the locking hole 17 or the lifting groove 18. The end of the rotating shaft 16 is embedded inside the lifting groove 18. A connecting plate 12 is also integrally formed on the surface of the switching frame 20, and a vision module 13 is screwed onto the surface of the connecting plate 12. The top plate 3 provides support for the detection unit 8 at the end and can control the translational movement of the detection unit 8. The detection unit 8, in conjunction with the switching assembly 10, can directly control the electromagnetic ultrasonic probe 24 at the bottom to flip and lift, thus enabling automatic detection processing of both the flat area of ​​the bottom plate and the curved area of ​​the side of the oil storage tank. The applicable testing range has been expanded to include new material testing and measurement processes. The enclosure mechanism 11 includes side baffles 26, an arc-shaped plate 36, and a pressing plate 28. The side baffles 26 are welded to both sides of the arc-shaped plate 36. A fixing plate 27 is welded to the inner wall of the arc-shaped plate 36. A lifting plate 29 is integrally formed at the top of the pressing plate 28, and a second spring rod 30 is welded to the top of the lifting plate 29. The second spring rod 30 passes through the surface of the fixing plate 27, and both ends of the spring on the second spring rod 30 are welded to the surfaces of the fixing plate 27 and the lifting plate 29, respectively. A support shaft 22 is inserted into the inner side of the positioning wheel 21, and a fixing sleeve 23 is welded to the middle of the support shaft 22. The electromagnetic ultrasonic probe 24 is screwed into the inner side of the fixing sleeve 23. A baffle mechanism 11 is installed on the outside of the electromagnetic ultrasonic probe 24. The baffle mechanism 11 can make contact with the part of the plane to be measured, expand the baffle area provided for the part of the electromagnetic ultrasonic probe 24, and at the same time, it will not change the gap distance between the electromagnetic ultrasonic probe 24 and the plane to be measured due to long-term friction. It can also scrape and clean the impurities accumulated and adhered on the test path, making the measurement more standardized.

[0035] Specifically, when the electromagnetic ultrasonic probe 24 performs testing, the positioning wheels 21 on both sides press against the surface or inner wall of the oil tank bottom plate, thus ensuring that the distance between the end of the electromagnetic ultrasonic probe 24 and the surface to be tested remains fixed. The second spring rod 30 inside the enclosure mechanism 11 applies downward pressure to the pressing plate 28, thereby enclosing the front and rear sides of the electromagnetic ultrasonic probe 24 and pre-cleaning the area of ​​the oil tank bottom plate where the electromagnetic ultrasonic probe 24 is about to be moved and aligned. The electromagnetic ultrasonic probe 24 is partially supported by the switching assembly 10 at the top. Therefore, when the electromagnetic ultrasonic probe 24 needs to switch from vertical downward detection to horizontal detection, i.e., from... Figure 2 Switch to Figure 7 At this time, loosen the locking bolt 35, manually pull the switching frame 20, flip the extension plate 34 upward and align it with the lifting groove 18. After rotating the locking bolt 35 again to embed it into the lifting groove 18, the electromagnetic ultrasonic probe 24 can be flipped to a horizontal state. At this time, the vision module 13 will also rotate synchronously.

[0036] This embodiment also provides a detection system using the aforementioned detection equipment. The detection system includes a drive control system, a positioning system, and a detection unit 8. The positioning system is also equipped with a vision module 13, which is used to capture and identify welds within the test area of ​​the oil storage tank bottom plate. The detection unit 8 is equipped with a data transmission unit, an electromagnetic ultrasonic probe 24, and a data processing and analysis module. The analysis module trains data based on a deep learning classification model, and the training data covers typical defects in the tank welds. Specifically, for the material of the tank bottom plate weld, a low-frequency electromagnetic ultrasonic probe 24 is used, with a penetration depth of 10-20 mm, suitable for detecting defects such as internal cracks and incomplete penetration in the weld.

[0037] The system uses the surface vision module 13 to capture and identify the plane of the detection area, thereby cooperating with the drive control system to move the entire detection unit 8. When the detection range is changed by the switching component 10, the coverage range of the vision module 13 can also be switched synchronously to ensure that an effective recognition image can be provided and the detection range of the detection unit 8 can be flexibly adjusted to facilitate the certification and recognition service process of the detection results.

[0038] The foregoing has shown and described the basic principles and main features of the present invention and its advantages. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0039] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electromagnetic ultrasonic non-contact automatic inspection device for weld seams of oil storage tank bottom plates, comprising the inspection device body, characterized in that: The main body of the detection equipment includes a drive trolley (1), a detection platform (2), an extension arm (5), and a detection unit (8). The top of the drive trolley (1) is welded with the detection platform (2). The surface of the detection platform (2) is welded with a top plate (3) and a fixing plate (4). The detection unit (8) includes a support component (9), a switching component (10), and a enclosure mechanism (11). The switching component (10) drives the trolley (1) to be placed on the bottom plate of the oil storage tank. The end of the extension arm (5) is fitted with a guide wheel (7). The side of the guide wheel (7) is used to abut against the side of the tank body of the bottom plate of the oil storage tank. An electromagnetic ultrasonic probe (24) is installed inside the enclosure mechanism (11). A gap is provided between the electromagnetic ultrasonic probe (24) and the surface of the area to be tested. A lead screw (32) is inserted through the top of the support component (9). The surface of the support component (9) is fitted with the switching component (10). The switching component (10) is used to control the enclosure mechanism (11) to perform a flipping motion.

2. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 1, characterized in that: The surface of the testing platform (2) is welded with a top plate (3), a motor (33) is screwed to one end of the bottom of the top plate (3), a lower hanging plate (31) is welded to the bottom of the end of the top plate (3), and a lead screw (32) is inserted into the output end of the motor (33).

3. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 2, characterized in that: The end of the lead screw (32) is embedded into the inner side of the lower hanging plate (31) through a bearing. The surface of the detection platform (2) is welded with a fixed plate (4). An extension arm (5) is welded to the side of the fixed plate (4). A first spring rod (6) is inserted in the middle of the extension arm (5). There are two extension arms (5) and two guide wheels (7). The guide wheels (7) and the extension arms (5) are installed symmetrically on both sides of the top plate (3).

4. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 2, characterized in that: The support assembly (9) includes a vertical plate (14) and a horizontal plate (15). The surface of the vertical plate (14) is provided with a lifting groove (18), and a locking hole (17) is provided on one side of the end of the horizontal plate (15). The top of the vertical plate (14) is integrally formed with a threaded sleeve (19).

5. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 4, characterized in that: The vertical plate (14) and the horizontal plate (15) are bent at right angles. The threaded sleeve (19) is fitted on the surface of the lead screw (32). The top of the vertical plate (14) is integrally formed with a limiting slide plate (37), which rests against the bottom of the top plate (3).

6. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 4, characterized in that: The switching assembly (10) includes a switching frame (20), a rotating shaft (16) and an extension plate (34). The rotating shaft (16) is inserted in the middle of the switching frame (20). An extension plate (34) is integrally formed at one end of the switching frame (20). A positioning wheel (21) is inserted at the end of the switching frame (20). The enclosure mechanism (11) is installed on the inner side of the two positioning wheels (21).

7. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 6, characterized in that: The end of the extension plate (34) is inserted with a locking bolt (35), which is used to be embedded in the locking hole (17) or the lifting groove (18). The end of the rotating shaft (16) is embedded in the inner side of the lifting groove (18). The surface of the switching frame (20) is also integrally formed with a connecting plate (12), and a vision module (13) is screwed onto the surface of the connecting plate (12).

8. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 6, characterized in that: The enclosure mechanism (11) includes a side baffle (26), an arc plate (36) and a pressing plate (28). The side baffle (26) is welded to both sides of the arc plate (36). A fixing plate (27) is welded to the inner wall of the arc plate (36). A lifting plate (29) is integrally formed at the top of the pressing plate (28). A second spring rod (30) is welded to the top of the lifting plate (29).

9. The electromagnetic ultrasonic non-contact automatic inspection equipment for weld seams of oil storage tank bottom plates according to claim 8, characterized in that: The second spring rod (30) passes through the surface of the fixed plate (27), and the two ends of the spring on the second spring rod (30) are welded to the surfaces of the fixed plate (27) and the lifting plate (29) respectively. A support shaft (22) is inserted into the inner side of the positioning wheel (21), and a fixed sleeve (23) is welded in the middle of the support shaft (22). The electromagnetic ultrasonic probe (24) is screwed into the inner side of the fixed sleeve (23).

10. A detection system using the detection device as described in claim 1, characterized in that: The detection system includes a drive control system, a positioning system, and a detection unit. The positioning system is also equipped with a vision module, which is used to capture and identify the weld seams within the test area of ​​the oil storage tank bottom plate. The detection unit is equipped with a data transmission unit, an electromagnetic ultrasonic probe, and a data processing and analysis module. The analysis module trains data based on a deep learning classification model, and the training data covers typical defects in the tank weld seams.

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