Ultrasonic nondestructive testing device for steel plate

Abstract

The utility model belongs to the field of nondestructive testing, and particularly relates to a steel plate ultrasonic nondestructive testing device which comprises a bottom plate, stand columns are symmetrically and fixedly installed on the periphery of the top end of the bottom plate, first linear modules are fixedly installed on the tops of the stand columns on the two sides respectively, and second linear modules are installed below the first linear modules. The two ends of the second linear module are fixedly installed on the moving frame of the first linear module respectively, and an ultrasonic detector is fixedly installed at the bottom of the moving frame of the second linear module. The steel plate detection device is high in automation degree, can comprehensively detect a steel plate, and improves the detection efficiency; in addition, adjustment can be conducted according to the width of the steel plate, and the device is suitable for steel plates of different sizes and wider in application range.

Description

Technical Field

[0001] The utility model relates to the field of nondestructive testing, in particular to an ultrasonic nondestructive testing device for steel plates. Background Art

[0002] Nondestructive testing refers to a method of inspecting and testing the structure, properties and type, nature, quantity, shape, position, size, distribution and changes of defects inside and on the surface of the test piece by using physical or chemical methods, with the help of modern technology and equipment, without damaging or affecting the performance of the tested object or the internal organization of the tested object, by utilizing the changes in heat, sound, light, electricity, magnetism and other reactions caused by abnormalities or defects in the internal structure of the material.

[0003] The existing patent with publication number CN211825841U discloses an ultrasonic device for nondestructive testing of steel plates, which belongs to the field of nondestructive testing. The detection device can control the position of the mobile ultrasonic detector by adjusting the settings of the screw, the slide rail and the pulley, so as to comprehensively detect the steel plate with high detection efficiency. However, the detection device manually pushes the ultrasonic detector to move left and right, and the degree of automation is low, which increases the labor intensity, easily causes fatigue of personnel, affects the detection efficiency, and the speed of manual movement is not easy to grasp, resulting in poor detection effect of steel plates; therefore, in view of the above problems, a steel plate ultrasonic nondestructive detection device is proposed. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, the utility model proposes an ultrasonic non-destructive testing device for steel plates to solve the problems that the ultrasonic detector is manually pushed to move left and right, the degree of automation is low, the labor intensity is increased, it is easy to cause personnel fatigue, and the detection efficiency is affected. In addition, the speed of manual movement is difficult to control, resulting in poor steel plate detection effect.

[0005] The technical solution adopted by the utility model to solve its technical problem is: the utility model describes an ultrasonic nondestructive testing device for steel plates, comprising a base plate, the top of the base plate is symmetrically fixedly installed with columns, the tops of the columns on both sides are respectively fixedly installed with linear module 1, a linear module 2 is installed below the linear module 1, the two ends of the linear module 2 are respectively fixedly installed on the moving frame of the linear module 1, and an ultrasonic detector is fixedly installed on the bottom of the moving frame of the linear module 2.

[0006] Preferably, a fixing rod is fixedly installed in the middle of the columns on both sides, and a mounting rod is slidably installed in the sliding holes opened at both ends of the fixing rod. A photoelectric transmitter is fixedly installed on one end of the mounting rod, and a photoelectric receiver is fixedly installed on the other end of the mounting rod. Baffles are fixedly installed on both ends of the side walls of the ultrasonic detector, and the baffles match the positions of the photoelectric transmitter and the photoelectric receiver.

[0007] Preferably, a mounting groove is opened in the middle of the top of the base plate, a screw rod is rotatably installed inside the mounting groove, a turntable is fixedly installed on the end of the screw rod, moving blocks are respectively threadedly connected at both ends of the screw rod, a vertical plate is fixedly installed on the top of the moving block, a connecting plate is fixedly installed on the top of the vertical plate, and both ends of the connecting plate are respectively fixedly connected to the mounting rods on both sides.

[0008] Preferably, the threads at both ends of the screw rod are in opposite directions.

[0009] Preferably, the moving block is configured as a cube, and the side of the moving block is in contact with the inner wall of the mounting groove.

[0010] Preferably, a limit plate is fixedly mounted on the side of the vertical plate.

[0011] Preferably, an L-shaped fixing plate is fixedly connected to the middle of the top end of the limiting plate, and the fixing plate is detachably mounted on the bottom of the vertical plate by bolts.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model can perform comprehensive inspection on steel plates by arranging structures such as linear module 1, linear module 2, ultrasonic detector, photoelectric transmitter, photoelectric receiver, etc., thereby improving the automation degree of the device and improving the inspection efficiency.

[0014] 2. The utility model sets structures such as screw rods, moving blocks, vertical plates, horizontal plates, mounting rods, and limit plates to adjust the positions of photoelectric generators and photoelectric receivers on both sides according to the width of the steel plate, thereby facilitating the detection of steel plates of different widths. At the same time, limit plates are set to limit the position of the steel plates, so that the steel plates can be placed upright for easy detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0017] Figure 2 This is a structural schematic diagram of another angle of embodiment 1;

[0018] Figure 3 It is a front view of the first embodiment;

[0019] Figure 4 It is a partial cross-sectional view of the first embodiment;

[0020] Figure 5 For Example 1 Figure 1 A schematic diagram of the enlarged structure in the middle.

[0021] In the figure: 1. base plate; 2. column; 3. linear module 1; 4. linear module 2; 5. ultrasonic detector; 6. baffle; 7. fixing rod; 8. mounting rod; 9. photoelectric transmitter; 10. photoelectric receiver; 11. mounting slot; 12. screw rod; 13. turntable; 14. moving block; 15. vertical plate; 16. connecting plate; 17. fixing plate; 18. limit plate; 19. bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4As shown, an ultrasonic nondestructive testing device for steel plates comprises a bottom plate 1, on the top of which upright posts 2 are symmetrically fixedly installed, on the tops of the upright posts 2 on both sides are respectively fixedly installed linear modules 3, below which linear modules 4 are installed, both ends of which are respectively fixedly installed on a moving frame of the linear modules 3, and at the bottom of the moving frame of the linear modules 4 is fixedly installed an ultrasonic detector 5; when working, the steel plate is placed flat on the top of the bottom plate 1, and then the linear modules 3 and the linear modules 4 are matched to bring the ultrasonic detector 5 to the The starting point is just above a corner of the steel plate, and then the linear module 2 4 drives the ultrasonic detector 5 to move horizontally to the other side of the steel plate. The ultrasonic detector 5 emits ultrasonic waves to detect the internal structure of the steel plate. Then, the linear module 1 3 drives the linear module 2 4 and the ultrasonic detector 5 to move longitudinally for a certain distance. Then, the linear module 2 4 drives the ultrasonic detector 5 to move from the other side of the steel plate to the side of the starting point again. This operation is repeated, which can continuously enable the ultrasonic detector 5 to detect the entire steel plate without manual operation, thereby improving the detection efficiency.

[0025] A fixing rod 7 is fixedly installed in the middle of the columns 2 on both sides, and a mounting rod 8 is slidably installed in the sliding holes opened at both ends of the fixing rod 7. A photoelectric transmitter 9 is fixedly installed on the mounting rod 8 at one end, and a photoelectric receiver 10 is fixedly installed on the mounting rod 8 at the other end. Baffles 6 are fixedly installed at both ends of the side wall of the ultrasonic detector 5, and the positions of the baffles 6, the photoelectric transmitter 9 and the photoelectric receiver 10 match; when working, when the ultrasonic detector 5 starts from the starting point and moves to the other side of the steel plate, the baffle 6 on the side of the ultrasonic detector 5 moves synchronously to the middle of the photoelectric transmitter 9 and the photoelectric receiver 10, and the photoelectric transmitter 9 and the photoelectric receiver 10 can detect The ultrasonic detector 5 has finished detecting a row of parts on the steel plate. At this time, the photoelectric transmitter 9 and the photoelectric receiver 10 send a signal to the controller. The controller pauses the linear module 2 4 and starts the linear module 1 3. The linear module 1 3 drives the linear module 2 4 and the ultrasonic detector 5 to move longitudinally a certain distance. Then, the linear module 1 3 is paused again and the linear module 2 4 is started. The linear module 2 4 drives the ultrasonic detector 5 to detect a new row of positions of the steel plate again. Photoelectric transmitters 9 and photoelectric receivers 10 are provided on both sides of the bottom plate 1. Repeat the above operation, and then the linear module 1 3 and the linear module 2 4 can continuously drive the ultrasonic detector 5 to detect the steel plate.

[0026] A mounting groove 11 is provided in the middle of the top of the bottom plate 1, and a screw rod 12 is rotatably installed inside the mounting groove 11, and a turntable 13 is fixedly installed at the end of the screw rod 12, and moving blocks 14 are respectively threadedly connected at both ends of the screw rod 12, and a vertical plate 15 is fixedly installed on the top of the moving block 14, and a connecting plate 16 is fixedly installed on the top of the vertical plate 15, and the two ends of the connecting plate 16 are respectively fixedly connected to the mounting rods 8 on both sides; when working, the screw rod 12 is driven to rotate by rotating the turntable 13, and then the moving blocks 14 on both sides can be driven to move synchronously close or far away through the screw rod 12, and then the cross bar is driven to move through the vertical bar, and the cross bar drives the mounting rod 8, the photoelectric transmitter 9 and the photoelectric receiver 10 to move along the direction of the sliding hole, so that the positions of the photoelectric transmitter 9 and the photoelectric receiver 10 can be adjusted according to the width of the steel plate, so as to be suitable for detecting steel plates of different widths.

[0027] The threads at both ends of the screw rod 12 are in opposite directions, so as to drive the moving block 14 to move synchronously towards or away from each other during operation.

[0028] The moving block 14 is in the shape of a cube, and the side of the moving block 14 is in contact with the inner wall of the mounting groove 11 , so as to limit the moving direction of the moving block 14 during operation.

[0029] The side of the vertical plate 15 is fixedly installed with a limit plate 18; when working, two limit plates 18 are provided, and are symmetrically arranged on both sides of the top of the bottom plate 1, the limit plates 18 can move together with the vertical plate 15, and the distance between the limit plate 18 and the photoelectric transmitter 9 and the photoelectric receiver 10 is equal to the distance between the sound wave transmitting unit of the ultrasonic detector 5 and the center of the baffle 6, so that when the ultrasonic detector 5 moves to the edge of the steel plate, the baffle 6 just moves to the middle of the photoelectric transmitter 9 and the photoelectric receiver 10, so as to fully detect the steel plate; in addition, the steel plate can be limited by the limit plates 18 arranged in parallel, so that the steel plate can be placed more upright, so that the ultrasonic detector 5 can fully detect the steel plate.

[0030] Embodiment 2

[0031] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, the middle part of the top of the limit plate 18 is fixedly connected with an L-shaped fixing plate 17, and the fixing plate 17 is detachably mounted on the bottom of the vertical plate 15 by bolts 19; during operation, the limit plate 18 can be conveniently disassembled, assembled and replaced.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An ultrasonic nondestructive testing device for steel plates, characterized in that: The invention comprises a base plate (1), the top of the base plate (1) is symmetrically fixedly mounted with columns (2), the tops of the columns (2) on both sides are respectively fixedly mounted with linear modules (3), a linear module (4) is mounted below the linear module (3), the two ends of the linear module (4) are respectively fixedly mounted on a movable frame of the linear module (3), and an ultrasonic detector (5) is fixedly mounted on the bottom of the movable frame of the linear module (4).

2. The ultrasonic nondestructive testing device for steel plates according to claim 1, characterized in that: A fixing rod (7) is fixedly installed in the middle of the upright posts (2) on both sides, and a mounting rod (8) is slidably installed in the sliding holes opened at both ends of the fixing rod (7). A photoelectric transmitter (9) is fixedly installed on one end of the mounting rod (8), and a photoelectric receiver (10) is fixedly installed on the other end of the mounting rod (8). Baffles (6) are fixedly installed on both ends of the side wall of the ultrasonic detector (5), and the positions of the baffles (6) match the photoelectric transmitter (9) and the photoelectric receiver (10).

3. The ultrasonic nondestructive testing device for steel plates according to claim 2, characterized in that: A mounting groove (11) is provided in the middle of the top of the bottom plate (1), a screw rod (12) is rotatably mounted inside the mounting groove (11), a turntable (13) is fixedly mounted at the end of the screw rod (12), moving blocks (14) are respectively threadedly connected at both ends of the screw rod (12), a vertical plate (15) is fixedly mounted on the top of the moving block (14), a connecting plate (16) is fixedly mounted on the top of the vertical plate (15), and both ends of the connecting plate (16) are respectively fixedly connected to the mounting rods (8) on both sides.

4. The ultrasonic nondestructive testing device for steel plates according to claim 3, characterized in that: The threads at both ends of the screw rod (12) are in opposite directions.

5. The ultrasonic nondestructive testing device for steel plates according to claim 4, characterized in that: The moving block (14) is configured as a cube, and the side edge of the moving block (14) is in contact with the inner wall of the installation groove (11).

6. The ultrasonic nondestructive testing device for steel plates according to claim 5, characterized in that: A limiting plate (18) is fixedly mounted on the side of the vertical plate (15).

7. The ultrasonic nondestructive testing device for steel plates according to claim 6, characterized in that: An L-shaped fixing plate (17) is fixedly connected to the middle of the top of the limiting plate (18), and the fixing plate (17) is detachably mounted on the bottom of the vertical plate (15) by means of bolts (19).

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