High-precision three-dimensional industrial CT (Computed Tomography) nondestructive testing device and testing method thereof

Abstract

The invention relates to the technical field of CT nondestructive testing, in particular to a high-precision three-dimensional industrial CT nondestructive testing device and a testing method thereof.The high-precision three-dimensional industrial CT nondestructive testing device comprises a shell, a shell door is installed on the shell, an electric rotating table is installed in the shell, and a storage table is installed at the rotating end of the electric rotating table; a first threaded rod and two second threaded rods are mounted on the outer side of the bottom of the electric rotating table at equal angles, and the first threaded rod and the two second threaded rods are distributed at an angle of 120 degrees; the first adjusting seat and the two second adjusting seats can be distributed on the outer side of the to-be-detected workpiece in an equilateral triangle shape and can also be distributed on the outer side of the to-be-detected workpiece in a vertical state, and the position of the nondestructive detector is adjusted according to the specific shape and specification of the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of CT nondestructive testing, and in particular to a high-precision three-dimensional industrial CT nondestructive testing device and a testing method thereof. Background Art

[0002] As an important means of microscopic detection and analysis, CT scanning technology has the advantages of non-destructive, dynamic, quantitative detection, hierarchical identification of internal composition and structural information of materials, high resolution and digital image display. In recent years, it has made great progress in non-destructive testing of materials, phase composition and distribution, microstructure analysis and material migration, and is widely used in professional fields such as aerospace, military industry, nuclear waste, machinery, materials, microelectronics, archaeology, biology and geotechnical micro-experiments.

[0003] An industrial CT rapid scanning system and method with patent application number 202110124424.9 uses three detectors evenly distributed in a circle with an interval of 120° around the axis of a rotating table as the center for detection. The positions of the detectors are fixed, and the spacing between the detectors cannot be adjusted according to the specific size of the workpiece to be measured. At the same time, for workpieces with an overall height that is too long, the detectors on the same horizontal plane cannot be adjusted to the same vertical plane. Summary of the invention

[0004] The problem solved by the present invention is to provide a high-precision three-dimensional industrial CT nondestructive testing device and a testing method thereof, which solves the technical problem that when testing is performed using three detectors that are evenly distributed in a ring at 120° with the axis of a rotating table as the center, the positions of the detectors are fixed, and the spacing between the detectors cannot be adjusted according to the specific size of the workpiece to be tested. At the same time, for a workpiece with an overall height that is too long, the detectors on the same horizontal plane cannot be adjusted to the same vertical plane.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-precision three-dimensional industrial CT nondestructive testing device, comprising a shell, a shell door is installed on the shell, an electric rotating table is installed inside the shell, a storage table is installed on the rotating end of the electric rotating table, a first threaded rod and two second threaded rods are installed at equal angles on the outer side of the bottom of the electric rotating table, and the first threaded rod and the two second threaded rods are distributed at 120 degrees;

[0007] A vertical sliding frame is installed on the first threaded rod, a sliding block is installed in the sliding frame, a motor seat is installed on the sliding block, a first adjusting seat is rotatably installed on the motor seat, second adjusting seats are installed at both ends of the first adjusting seat through adjusting mechanisms, non-destructive detectors are installed on the first adjusting seat and the second adjusting seat facing the storage table, and the first adjusting seat and the second adjusting seat are distributed in the shell in an equilateral triangle shape with the center of the storage table as the center;

[0008] A detection block is installed on the second threaded rod, and proximity switches are installed on the top side of the detection block and the bottom side of the second adjustment seat.

[0009] Preferably, the ends of the first threaded rod and the two second threaded rods are located in the electric rotating table and are equipped with driven bevel gears, a power motor is installed on the bottom side of the electric rotating table, and an active bevel gear is installed on the output end of the electric rotating table, and the active bevel gear is meshed with the driven bevel gear.

[0010] Preferably, a fixing frame is installed in the shell, and the first threaded rod is located in the fixing frame, and the first threaded rod is threadedly connected to the bottom end of the sliding frame.

[0011] Preferably, a first motor is installed at the top of the sliding frame, a third threaded rod is installed at the output end of the first motor located in the sliding frame, and the third threaded rod is threadedly connected to the sliding block.

[0012] Preferably, a second motor is installed in the motor seat, and an output end of the second motor is connected to the first adjustment seat.

[0013] Preferably, the adjustment mechanism includes a hollow sleeve rod, a fifth motor is installed in the middle of the outer side of the sleeve rod, the output end of the fifth motor is located inside the sleeve rod and a rotating tooth is installed, a first rack and a second rack are symmetrically meshed and installed on the outer side of the rotating tooth, the first rack is connected to the first connecting arm, and the second rack is connected to the second connecting arm.

[0014] Preferably, connecting ears are provided at both ends of the first adjustment seat and one end of the two second adjustment seats, and the two first connecting arm ends are respectively rotatably connected to the connecting ears at both ends of the first adjustment seat, and the two second connecting arm ends are respectively rotatably connected to the connecting ears of the two second adjustment seats.

[0015] Preferably, a transmission box is installed on the first adjusting seat, a third motor is installed in the middle of the top side of the transmission box, a driving tooth is installed at the output end of the third motor, and transmission teeth are respectively meshed and installed on both sides of the driving tooth, a rotating shaft is installed through the bottom sides of both ends of the transmission box, and a driven tooth meshing with the transmission tooth is installed on the top of the rotating shaft, the bottom end of the rotating shaft passes through the connecting ear of the first adjusting seat and is fixedly connected to the end of the first connecting arm, a fourth motor is installed on the connecting ear of the second adjusting seat, and the output end of the fourth motor passes through the connecting ear of the second adjusting seat and is fixedly connected to the end of the second connecting arm.

[0016] Preferably, a support seat is installed in the shell, a guide rod is installed parallel to the outside of the second threaded rod, and both ends of the guide rod are respectively connected to the outer wall of the electric rotating table and the support seat, the detection block is threadedly connected to the second threaded rod, and the detection block is slidably connected to the guide rod.

[0017] A detection method for a high-precision three-dimensional industrial CT nondestructive testing device, the specific operation steps of the detection method are as follows:

[0018] Step 1: Place the workpiece to be inspected on the storage table, and through the operation of the power motor, the meshing transmission of the active bevel gear and the driven bevel gear drives the first threaded rod and the second threaded rod to rotate, and the rotation of the first threaded rod drives the movement of the slide frame, and then the position of the first adjustment seat and the non-destructive detector is adjusted, and the rotation of the second threaded rod drives the detection block to move, and through the operation of the third motor, the meshing transmission of the active gear, the transmission gear and the driven gear drives the adjustment mechanism to rotate, and the operation of the fifth motor drives the rotating gear to rotate, and cooperates with the meshing first rack and second rack to realize the movement of the first connecting arm and the second connecting arm, and then the overall length of the adjustment mechanism is adjusted. , adjust the distance between the first adjustment seat and the second adjustment seat, drive the second adjustment seat to rotate by the fourth motor, adjust the orientation angle of the second adjustment seat, and after the adjustment process, ensure that the proximity switch at the bottom of the second adjustment seat and the proximity switch on the detection block are in a corresponding state, ensure that the second adjustment seat and the first adjustment seat are distributed in the shell in an equilateral triangle shape with the center of the storage table as the center, and then ensure that the non-destructive detector is distributed in the shell in an equilateral triangle shape, and realize the rotation of the workpiece by the electric rotating table, and drive the third threaded rod to rotate by the first motor, so as to realize the lifting of the non-destructive detector, and complete the non-destructive detection of the workpiece by the non-destructive detector;

[0019] Step 2: After the slider moves up, the second motor drives the first adjustment seat to rotate 180°. At this time, the third motor and the fourth motor drive the adjustment mechanism and the second adjustment seat to rotate, and the first adjustment seat, the adjustment mechanism and the second adjustment seat are adjusted to be on the same vertical line. The distance between the first adjustment seat and the second adjustment seat is adjusted by the adjustment mechanism, and the rotation of the workpiece is realized by the electric rotating table, and non-destructive detection of the workpiece is completed by the non-destructive detector.

[0020] The beneficial effects of the present invention are as follows: the first adjustment seat and the two second adjustment seats can be distributed outside the workpiece to be measured in an equilateral triangle, or can be distributed outside the workpiece to be measured in a vertical state, so as to adjust the position of the non-destructive detector according to the specific shape and specifications of the workpiece;

[0021] When inspecting a large workpiece, the spacing between adjacent nondestructive detectors is adjusted, that is, the distance is adjusted by the adjustment mechanism, and the angle is adjusted by the third motor and the fourth motor, so as to ensure that the three nondestructive detectors are always distributed in an equilateral triangle outside the workpiece to be inspected. Therefore, during measurement, the scanning time can be shortened by two thirds compared with a single nondestructive detector, thereby improving the inspection efficiency.

[0022] When inspecting long-axis workpieces, the first adjustment seat, the adjustment mechanism and the second adjustment seat are rotated and adjusted to be on the same vertical line, and the spacing between the non-destructive detectors is adjusted through the adjustment mechanism according to the height of the workpiece, thereby greatly shortening the scanning time during measurement and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the first internal structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the second internal structure of the present invention;

[0026] Figure 4 This is a bottom view of the electric rotating table of the present invention;

[0027] Figure 5 It is a cross-sectional view of the transmission box and the adjustment mechanism of the present invention;

[0028] Figure 6 It is the detection distribution diagram of the first nondestructive detector of the present invention;

[0029] Figure 7 This is the detection distribution diagram of the second nondestructive detector of the present invention.

[0030] Legend:

[0031] 1. Shell; 2. Shell door; 3. Electric rotating table; 4. Storage table; 5. First threaded rod; 6. Second threaded rod; 7. Active bevel gear; 8. Driven bevel gear; 9. Fixed frame; 10. Sliding frame; 11. First motor; 12. Third threaded rod; 13. Sliding block; 14. Motor seat; 15. Second motor; 16. Connecting ear; 17. First adjustment seat; 18. Adjustment mechanism; 19. Sleeve rod; 20. First connecting arm; 21. Second connecting arm; 22. Second adjustment seat; 23. Nondestructive detector; 24. Transmission box; 25. Third motor; 26. Fourth motor; 27. Active gear; 28. Transmission gear; 29. ​​Driven gear; 30. Rotating shaft; 31. First rack; 32. Second rack; 33. Fifth motor; 34. Rotating gear; 35. Support seat; 36. Guide rod; 37. Detection block; 38. Proximity switch. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Specific examples are given below.

[0034] See also Figure 1 to Figure 7 A high-precision three-dimensional industrial CT nondestructive testing device comprises a shell 1, a shell door 2 is installed on the shell 1, an electric rotating table 3 is installed inside the shell 1, a storage table 4 is installed at the rotating end of the electric rotating table 3, a first threaded rod 5 and two second threaded rods 6 are installed at equal angles on the outer side of the bottom of the electric rotating table 3, and the first threaded rod 5 and the two second threaded rods 6 are distributed at 120°, the ends of the first threaded rod 5 and the two second threaded rods 6 are located in the electric rotating table 3 and driven bevel gears 8 are installed, a power motor is installed on the bottom side of the electric rotating table 3, an active bevel gear 7 is installed at the output end of the electric rotating table 3, and the active bevel gear 7 is meshed with the driven bevel gear 8, through the operation of the power motor, the meshing transmission of the active bevel gear 7 and the driven bevel gear 8 drives the rotation of the first threaded rod 5 and the second threaded rod 6, the rotation of the first threaded rod 5 drives the movement of the slide frame 10, and then the position of the first adjustment seat 17 and the nondestructive detector 23 is adjusted, and the rotation of the second threaded rod 6 drives the detection block 37 to move;

[0035] A vertical sliding frame 10 is installed on the first threaded rod 5, a sliding block 13 is installed in the sliding frame 10, a motor seat 14 is installed on the sliding block 13, a first adjusting seat 17 is rotatably installed on the motor seat 14, and second adjusting seats 22 are installed at both ends of the first adjusting seat 17 through an adjusting mechanism 18 respectively. A non-destructive detector 23 is installed on the first adjusting seat 17 and the second adjusting seat 22 facing the storage table 4. The first adjusting seat 17 and the second adjusting seat 22 are distributed in the shell 1 in an equilateral triangle shape with the center of the storage table 4 as the center. A fixed frame 9 is installed in the shell 1, and the first threaded rod 5 is located in the fixed frame 9. The first threaded rod 5 is threadedly connected to the bottom end of the sliding frame 10, and a first motor 11 is installed on the top of the sliding frame 10. The output end of the first motor 11 is located in the sliding frame 10. The third threaded rod 12 is threadedly connected to the slider 13, a second motor 15 is installed in the motor seat 14, and the output end of the second motor 15 is connected to the first adjustment seat 17. The adjustment mechanism 18 includes a hollow sleeve rod 19, and a fifth motor 33 is installed in the middle of the outer side of the sleeve rod 19. The output end of the fifth motor 33 is located in the sleeve rod 19 and a rotating tooth 34 is installed. The first rack 31 and the second rack 32 are symmetrically meshed and installed on the outer side of the rotating tooth 34. The first rack 31 is connected to the first connecting arm 20, and the second rack 32 is connected to the second connecting arm 21. Connecting ears 16 are provided at both ends of the first adjustment seat 17 and one end of the two second adjustment seats 22. The ends of the two first connecting arms 20 are rotatably connected to the connecting ears 16 at both ends of the first adjustment seat 17, respectively. The ends of the two connecting arms 21 are rotatably connected with the connecting ears 16 of the two second adjustment seats 22 respectively, a transmission box 24 is installed on the first adjustment seat 17, a third motor 25 is installed on the middle of the top side of the transmission box 24, a driving tooth 27 is installed on the output end of the third motor 25, and transmission teeth 28 are respectively meshed and installed on both sides of the driving tooth 27, a rotating shaft 30 is installed through the bottom sides of both ends of the transmission box 24, a driven tooth 29 meshing with the transmission tooth 28 is installed on the top of the rotating shaft 30, the bottom end of the rotating shaft 30 passes through the connecting ear 16 of the first adjustment seat 17 and is fixedly connected to the end of the first connecting arm 20, a fourth motor 26 is installed on the connecting ear 16 of the second adjustment seat 22, and the output end of the fourth motor 26 passes through the connecting ear 16 of the second adjustment seat 22 and is fixedly connected to the end of the second connecting arm 21, The rotation of a threaded rod 5 drives the movement of the slide frame 10, thereby adjusting the position of the first adjustment seat 17 and the non-destructive detector 23. The rotation of the second threaded rod 6 drives the detection block 37 to move. The third motor 25 works, and the active gear 27, the transmission gear 28 and the driven gear 29 are engaged and driven to drive the adjustment mechanism 18 to rotate. The fifth motor 33 drives the rotating gear 34 to rotate, and cooperates with the engaged first rack 31 and the second rack 32 to realize the movement of the first connecting arm 20 and the second connecting arm 21, thereby adjusting the overall length of the adjustment mechanism 18, adjusting the spacing between the first adjustment seat 17 and the second adjustment seat 22, and driving the second adjustment seat 22 to rotate through the fourth motor 26 to adjust the orientation angle of the second adjustment seat 22. After the adjustment process,Ensure that the proximity switch 38 at the bottom of the second adjustment seat 22 is in a corresponding state with the proximity switch 38 on the detection block 37, ensure that the second adjustment seat 22 and the first adjustment seat 17 are distributed in the shell 1 in an equilateral triangle shape with the center of the storage table 4 as the center, thereby ensuring that the non-destructive detector 23 is distributed in the shell 1 in an equilateral triangle shape, and the rotation of the workpiece is realized by the electric rotating table 3, and the third threaded rod 12 is driven to rotate by the first motor 11, thereby realizing the lifting of the non-destructive detector 23, and completing the non-destructive detection of the workpiece by the non-destructive detector 23. After the slider 13 moves up, the first adjustment seat 17 is driven to rotate 180° by the second motor 15. At this time, the third motor 25 and the fourth motor 26 work to drive the adjustment mechanism 18 and the second adjustment seat 22 to rotate, and the first adjustment seat 17, the adjustment mechanism 18 and the second adjustment seat 22 are adjusted to be on the same vertical straight line, and the spacing between the first adjustment seat 17 and the second adjustment seat 22 is adjusted by the adjustment mechanism 18. The rotation of the workpiece is realized by the electric rotating table 3, and the non-destructive detection of the workpiece is completed by the non-destructive detector 23;

[0036] A detection block 37 is installed on the second threaded rod 6, and a proximity switch 38 is installed on the top side of the detection block 37 and the bottom side of the second adjustment seat 22. A support seat 35 is installed in the shell 1. A guide rod 36 is installed parallel to the outside of the second threaded rod 6, and the two ends of the guide rod 36 are respectively connected to the outer wall of the electric rotating table 3 and the support seat 35. The detection block 37 is threadedly connected to the second threaded rod 6, and the detection block 37 is slidably connected to the guide rod 36. The rotation of the second threaded rod 6 drives the detection block 37 to move, ensuring that the detection block 37, the first adjustment seat 17 and the non-destructive detector 23 are distributed in an equilateral triangle shape at this time. The second adjustment seat 22 is subsequently adjusted until the proximity switch 38 of the second adjustment seat 22 corresponds to the proximity switch 38 of the detection block 37.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision three-dimensional industrial CT nondestructive testing device, characterized in that: The invention comprises a shell (1), a shell door (2) is installed on the shell (1), an electric rotating platform (3) is installed inside the shell (1), a storage platform (4) is installed at the rotating end of the electric rotating platform (3), a first threaded rod (5) and two second threaded rods (6) are installed at equal angles on the outer side of the bottom of the electric rotating platform (3), and the first threaded rod (5) and the two second threaded rods (6) are distributed at 120 degrees. A vertical sliding frame (10) is mounted on the first threaded rod (5), a sliding block (13) is mounted inside the sliding frame (10), a motor seat (14) is mounted on the sliding block (13), a first adjusting seat (17) is rotatably mounted on the motor seat (14), second adjusting seats (22) are mounted on both ends of the first adjusting seat (17) through adjusting mechanisms (18), non-destructive detectors (23) are mounted on the first adjusting seat (17) and the second adjusting seat (22) facing the storage platform (4), and the first adjusting seat (17) and the second adjusting seat (22) are distributed in the housing (1) in an equilateral triangle shape with the center of the storage platform (4) as the center; A detection block (37) is mounted on the second threaded rod (6), and a proximity switch (38) is mounted on the top side of the detection block (37) and the bottom side of the second adjustment seat (22).

2. A high-precision three-dimensional industrial CT nondestructive testing device according to claim 1, characterized in that: The ends of the first threaded rod (5) and the two second threaded rods (6) are located inside the electric rotating platform (3) and are equipped with driven bevel gears (8); a power motor is installed on the bottom side of the electric rotating platform (3); an active bevel gear (7) is installed on the output end of the electric rotating platform (3), and the active bevel gear (7) is meshed with the driven bevel gear (8).

3. A high-precision three-dimensional industrial CT nondestructive testing device according to claim 2, characterized in that: A fixing frame (9) is installed in the housing (1), and a first threaded rod (5) is located in the fixing frame (9), and the first threaded rod (5) is threadedly connected to the bottom end of the sliding frame (10).

4. A high-precision three-dimensional industrial CT nondestructive testing device according to claim 3, characterized in that: A first motor (11) is installed at the top of the slide frame (10); a third threaded rod (12) is installed at the output end of the first motor (11) located inside the slide frame (10); and the third threaded rod (12) is threadedly connected to the slide block (13).

5. A high-precision three-dimensional industrial CT nondestructive testing device according to claim 4, characterized in that: A second motor (15) is installed in the motor seat (14), and an output end of the second motor (15) is connected to the first adjustment seat (17).

6. A high-precision three-dimensional industrial CT nondestructive testing device according to claim 5, characterized in that: The adjustment mechanism (18) comprises a hollow sleeve rod (19), a fifth motor (33) is installed in the middle of the outer side of the sleeve rod (19), the output end of the fifth motor (33) is located inside the sleeve rod (19) and is installed with a rotating tooth (34), a first rack (31) and a second rack (32) are symmetrically meshed and installed on the outer side of the rotating tooth (34), the first rack (31) is connected to the first connecting arm (20), and the second rack (32) is connected to the second connecting arm (21).

7. The high-precision three-dimensional industrial CT nondestructive testing device according to claim 6, characterized in that: Both ends of the first adjustment seat (17) and one end of the two second adjustment seats (22) are provided with connecting ears (16); the ends of the two first connecting arms (20) are respectively rotatably connected to the connecting ears (16) at both ends of the first adjustment seat (17); and the ends of the two second connecting arms (21) are respectively rotatably connected to the connecting ears (16) of the two second adjustment seats (22).

8. The high-precision three-dimensional industrial CT nondestructive testing device according to claim 7, characterized in that: A transmission box (24) is mounted on the first adjustment seat (17), a third motor (25) is mounted on the middle of the top side of the transmission box (24), an active tooth (27) is mounted on the output end of the third motor (25), transmission teeth (28) are respectively mounted in mesh with each other on both sides of the active tooth (27), a rotating shaft (30) is mounted through the bottom sides of both ends of the transmission box (24), a driven tooth (29) in mesh with the transmission tooth (28) is mounted on the top of the rotating shaft (30), the bottom end of the rotating shaft (30) passes through the connecting ear (16) of the first adjustment seat (17) and is fixedly connected to the end of the first connecting arm (20), a fourth motor (26) is mounted on the connecting ear (16) of the second adjustment seat (22), the output end of the fourth motor (26) passes through the connecting ear (16) of the second adjustment seat (22) and is fixedly connected to the end of the second connecting arm (21).

9. The high-precision three-dimensional industrial CT nondestructive testing device according to claim 8, characterized in that: A support seat (35) is installed in the housing (1); a guide rod (36) is installed parallel to the outer side of the second threaded rod (6); and two ends of the guide rod (36) are respectively connected to the outer wall of the electric rotating table (3) and the support seat (35); the detection block (37) is threadedly connected to the second threaded rod (6), and the detection block (37) is slidably connected to the guide rod (36).

10. The detection method of a high-precision three-dimensional industrial CT nondestructive testing device according to claim 9, characterized in that: The specific steps of this detection method are as follows: Step 1: Place the workpiece to be inspected on the storage table (4), and drive the first threaded rod (5) and the second threaded rod (6) to rotate by the power motor, and the meshing transmission of the active bevel gear (7) and the driven bevel gear (8). The first threaded rod (5) rotates to drive the sliding frame (10), and then adjusts the position of the first adjustment seat (17) and the non-destructive detector (23). The second threaded rod (6) rotates to drive the detection block (37). The third motor (25) works, and the active gear (27), the transmission gear (28) and the driven gear (29) mesh to drive the adjustment mechanism (18) to rotate. The fifth motor (33) works to drive the rotating gear (34) to rotate, and cooperate with the meshing first rack (31) and the second rack (32) to realize the movement of the first connecting arm (20) and the second connecting arm (21), and then the overall length of the adjustment mechanism (18) is adjusted. The first adjusting seat (17) and the second adjusting seat (22) are adjusted by adjusting the distance between them, the second adjusting seat (22) is driven to rotate by the fourth motor (26), the orientation angle of the second adjusting seat (22) is adjusted, and after the adjustment process, the proximity switch (38) at the bottom of the second adjusting seat (22) and the proximity switch (38) on the detection block (37) are ensured to be in a corresponding state, the second adjusting seat (22) and the first adjusting seat (17) are ensured to be distributed in the housing (1) in an equilateral triangle shape with the center of the storage table (4) as the center, and the non-destructive detector (23) is ensured to be distributed in the housing (1) in an equilateral triangle shape, the workpiece is rotated by the electric rotating table (3), the third threaded rod (12) is driven to rotate by the first motor (11), and the non-destructive detector (23) is lifted and lowered, and the non-destructive detection of the workpiece is completed by the non-destructive detector (23); Step 2: After the slider (13) moves upward, the second motor (15) drives the first adjustment seat (17) to rotate 180 degrees. At this time, the third motor (25) and the fourth motor (26) drive the adjustment mechanism (18) and the second adjustment seat (22) to rotate, and the first adjustment seat (17), the adjustment mechanism (18) and the second adjustment seat (22) are adjusted to be on the same vertical line. The spacing between the first adjustment seat (17) and the second adjustment seat (22) is adjusted by the adjustment mechanism (18). The workpiece is rotated by the electric rotating table (3), and the workpiece is non-destructively detected by the non-destructive detector (23).

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