A magnetic powder detection device for steel structure welds capable of reducing errors

Abstract

The utility model relates to steel structure weld magnetic powder detection technical field discloses a kind of magnetic powder detection devices for steel structure weld with error reduction, including detector and detection head, the detector bottom is fixedly connected with connecting piece, the detector side wall is fixedly connected with support plate, and the support plate outer wall is provided with moving assembly;The moving assembly includes slider, the slider sliding connection in the support plate outer wall, the slider side wall is fixedly connected with support frame, the support frame inside is rotatably connected with embrace clamp, and the embrace clamp inner wall is provided with spring one.In the utility model, through the sliding of slider in support plate outer wall, the support frame fixedly connected with it is moved, so as to reach the effect that different area weld is accurately scattered powder and magnetic powder tank is replaced conveniently, solve the problem that magnetic powder tank needs to be held and moved, powder is not evenly scattered and is replaced complicatedly in traditional detection, improve the operating convenience of device and the stability of magnetic powder application.

Description

Technical Field

[0001] This utility model relates to the field of magnetic particle testing technology for steel structure welds, and in particular to a magnetic particle testing device for steel structure welds that can reduce errors. Background Technology

[0002] Magnetic particle testing of steel structure welds is a crucial step in ensuring the safety of large steel structures such as buildings and bridges. Traditional testing methods typically rely on manual application of magnetic powder using a handheld powder canister, which is not only inefficient but also susceptible to operator experience, leading to uneven powder distribution or missed defects and severely impacting the accuracy of defect identification. With the increasing complexity of steel structures, higher demands are placed on the precision and adaptability of testing devices. A new magnetic particle testing device for steel structure welds, designed to reduce errors, has emerged. By optimizing the powder application method and the inspection head adjustment mechanism, it significantly improves testing stability and ease of operation, providing more reliable technical support for the field of industrial non-destructive testing.

[0003] Existing magnetic particle testing devices mostly use fixed magnetic particle tanks or simple handheld powder sprayers. Their structure usually consists of a magnetic particle storage container, a manual extrusion mechanism, and a rigid support. In terms of technical principle, magnetic particles are sprinkled from the opening of the tank by manual extrusion or gravity, covering the surface of the weld. Then, a magnetic field is generated by a magnetization device to attract the magnetic particles and form defect indication marks.

[0004] The main problem with existing technologies is that the process of moving and replacing the magnetic powder canister is cumbersome and lacks stability. In traditional testing, the operator must hold the magnetic powder canister and move it along the weld seam throughout the process. This not only easily leads to uneven powder application due to hand tremors, but also causes missed detections due to fatigue or operational errors. In addition, the testing needs to be interrupted when replacing the magnetic powder canister, and the fixing components need to be disassembled and reinstalled, which greatly reduces work efficiency. This deficiency of high manual dependence and poor stability seriously restricts the reliability and applicability of magnetic particle testing. Therefore, a magnetic particle testing device for steel structure weld seams that can reduce errors is proposed to solve the above problems. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a magnetic particle inspection device for steel structure welds that can reduce errors, aiming to improve the problems of cumbersome and unstable movement and replacement process of magnetic particle tanks in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A magnetic particle inspection device for steel structure welds that can reduce errors includes a detector and a detection head. A connector is fixedly connected to the bottom of the detector, a support plate is fixedly connected to the side wall of the detector, and a movable component is provided on the outer wall of the support plate. The moving component includes a slider that is slidably connected to the outer wall of the support plate. A support frame is fixedly connected to the side wall of the slider. A clamp is rotatably connected inside the support frame. A spring is provided on the inner wall of the clamp. One end of the spring is fixedly connected to the inner wall of the clamp, and the other end of the spring is fixedly connected to the side wall of the support frame. A magnetic powder container is provided inside the clamp. The outer wall of the magnetic powder container engages with the inner wall of the clamp. An adjustment component is provided on the outer wall of the connector.

[0007] As a further description of the above technical solution: The adjustment assembly includes a second gear disk and a first gear disk. The inner wall of the second gear disk is fixedly connected to the outer wall of the connector, and the first gear disk is fitted into the second gear disk.

[0008] As a further description of the above technical solution: The connector has a rotating column rotatably connected inside, and the top of the detection head is fixedly connected to the outer wall of the rotating column.

[0009] As a further description of the above technical solution: A pull ring is fixedly connected to one side of the gear disc, and a sliding column is fixedly connected to the other side of the gear disc.

[0010] As a further description of the above technical solution: A fixed ring is fixedly connected inside the rotating column, and the sliding column is slidably connected inside the fixed ring.

[0011] As a further description of the above technical solution: The sliding column is slidably connected inside the rotating column, and a sliding disk is fixedly connected to one end of the sliding column. A limit groove is formed inside the rotating column.

[0012] As a further description of the above technical solution: The sliding disk is slidably connected to the inner wall of the rotating column, and a sliding block is fixedly connected to the outer wall of the sliding disk. The sliding block is slidably connected inside the limiting groove.

[0013] As a further description of the above technical solution: A second spring is fitted on the outer wall of the sliding column. One end of the second spring is fixedly connected to the side wall of the fixed ring, and the other end of the second spring is fixedly connected to the side wall of the sliding disc.

[0014] This utility model has the following beneficial effects: 1. In this utility model, the slider slides on the outer wall of the support plate, driving the support frame fixed thereto to move. Then, the support frame drives the internally rotatably connected clamp to move synchronously. Under the elastic force of spring one, the clamp tightly engages with the magnetic powder canister, thereby allowing the magnetic powder canister to move smoothly along the weld seam. Furthermore, the magnetic powder canister can be quickly replaced by pulling the clamp outward. This achieves the effect of accurately applying powder to weld seams in different areas and conveniently replacing the magnetic powder canister. It solves the problems of needing to move the magnetic powder canister by hand, uneven powder application, and cumbersome replacement in traditional testing, and improves the ease of operation of the device and the stability of magnetic powder application.

[0015] 2. In this utility model, pulling the pull ring moves the first gear disc, causing the first gear disc to separate from the second gear disc. Then, rotating the rotating column drives the detection head to rotate and adjust the angle. After adjustment, releasing the pull ring causes the second spring to push the sliding disc to move, causing the sliding column and the first gear disc to reset, so that the first gear disc and the second gear disc re-engage and limit the position, thereby fixing the angle of the detection head. This achieves the effect of flexible adjustment and stable limiting of the detection head angle, solving the problem of fixed angle of traditional detection heads and difficulty in adapting to welds with different angles, and improving the device's adaptability to complex welds and detection accuracy. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of a magnetic particle inspection device for steel structure welds that can reduce errors, as proposed in this utility model. Figure 2 This is a schematic diagram of the clamping structure of a magnetic particle inspection device for steel structure welds that can reduce errors, as proposed in this utility model. Figure 3 This is a schematic diagram of the detection head structure of a magnetic particle inspection device for steel structure welds that can reduce errors, as proposed in this utility model. Figure 4 This is a cross-sectional schematic diagram of the rotating column of a magnetic particle inspection device for steel structure welds that can reduce errors, as proposed in this utility model. Figure 5 This is a schematic diagram of the sliding disk structure of a magnetic particle inspection device for steel structure welds that can reduce errors, as proposed in this utility model.

[0017] Legend: 1. Detector; 2. Connector; 3. Detector head; 4. Support plate; 5. Magnetic powder container; 6. Slider; 7. Support frame; 8. Clamp; 9. Spring 1; 10. Gear disc 1; 11. Gear disc 2; 12. Pull ring; 13. Rotating column; 14. Fixed ring; 15. Sliding column; 16. Spring 2; 17. Sliding disc; 18. Sliding block; 19. Limiting groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1-5 The present invention provides an embodiment of a magnetic particle inspection device for steel structure welds that can reduce errors, comprising a detector 1 and a detection head 3. The detector 1 is used to generate a magnetic field and perform magnetic particle inspection on the weld. The detection head 3 is used to observe and identify magnetic traces. A connector 2 is fixedly connected to the bottom of the detector 1. The connector 2 is used to connect the detector 1 to the support structure and maintain the overall stability of the device. A support plate 4 is fixedly connected to the side wall of the detector 1. The support plate 4 provides an installation base and sliding track for the moving component. The moving component is provided on the outer wall of the support plate 4. The moving component includes a slider 6, which is slidably connected to the outer wall of the support plate 4 to achieve smooth movement along the weld direction. A support frame 7 is fixedly connected to the side wall of the slider 6. The support frame 7 is used to install and fix the clamp 8 structure. The clamp 8 is rotatably connected inside the support frame 7. The clamp 8 can rotate around the support frame 7 to achieve quick loading and unloading of the magnetic powder container 5. A spring 9 is provided on the inner wall of the clamp 8. One end of the spring 9 is fixedly connected to the inner wall of the clamp 8, and the other end of the spring 9 is fixedly connected to the side wall of the support frame 7. The spring 9 provides clamping force for the clamp 8 to ensure that the magnetic powder container 5 is reliably fixed. The magnetic powder container 5 is set inside the clamp 8. The magnetic powder container 5 is used to hold and evenly spread magnetic powder. The outer wall of the magnetic powder container 5 engages with the inner wall of the clamp 8 to achieve stable fixation. An adjustment component is provided on the outer wall of the connector 2. The adjustment component is used to adjust the angle of the detection head 3 to adapt to weld detection at different positions.

[0020] Reference Figures 1-5The adjustment assembly includes a second gear disc 11 and a first gear disc 10. The inner wall of the second gear disc 11 is fixedly connected to the outer wall of the connector 2 to provide a fixed tooth surface. The first gear disc 10 is engaged with the second gear disc 11 to achieve an angle locking function. A rotating column 13 is rotatably connected inside the connector 2 to transmit rotational motion. The top of the detection head 3 is fixedly connected to the outer wall of the rotating column 13 to achieve synchronous rotation adjustment. A pull ring 12 is fixedly connected to one side of the first gear disc 10 for manual operation to separate the gear disc. A sliding column 15 is fixedly connected to the other side of the first gear disc 10 to transmit axial motion. A fixed ring 14 is fixedly connected inside the rotating column 13 as a sliding guide structure. The sliding column 15 is slidably connected inside the fixed ring 14 to achieve axial movement guidance. The sliding column 15 is slidably connected inside the rotating column 13 to ensure motion stability. One end of the sliding column 15 is fixedly connected to the sliding disk 17 to transmit spring force. The rotating column 13 has a limit groove 19 inside to limit the sliding stroke. The sliding disk 17 is slidably connected to the inner wall of the rotating column 13 to ensure motion accuracy. The outer wall of the sliding disk 17 is fixedly connected to the sliding block 18 to cooperate with the limit groove 19 to prevent rotation. The sliding block 18 is slidably connected inside the limit groove 19 to realize the axial limit function. The outer wall of the sliding column 15 is fitted with a second spring 16 to provide reset elasticity. One end of the second spring 16 is fixedly connected to the side wall of the fixed ring 14 as a fixed end, and the other end of the second spring 16 is fixedly connected to the side wall of the sliding disk 17 as a force application end.

[0021] Working principle: The moving component is supported by the support plate 4 fixed to the side wall of the detector 1. The slider 6 slides on the outer wall of the support plate 4, driving the support frame 7 fixed to it to move synchronously. The support frame 7 drives the internally rotatably connected clamp 8 to move. Under the elastic force of spring 9, the clamp 8 is tightly engaged with the magnetic powder canister 5, thereby driving the magnetic powder canister 5 to move along the weld seam to complete the powder application. When the magnetic powder canister 5 needs to be replaced, the clamp 8 is pulled outward to rotate around the support frame 7, and the magnetic powder canister 5 can be removed. At the same time, when adjusting the angle of the detection head 3, the pull ring 12 is pulled to move the gear disc 10, causing the gear disc 10 to separate from the gear disc 11 fixed to the outer wall of the connector 2. Then, the rotating column 13 rotatably connected inside the connector 2 is rotated, and the rotating column 13 drives the top-fixed detection head 3 to rotate to adjust the angle. After adjustment, the pull ring 12 is released. The spring 16 between the fixed ring 14 inside the rotating column 13 and the sliding disk 17 pushes the sliding disk 17 to move. The sliding disk 17 drives the sliding column 15 to move. The sliding column 15 slides along the fixed ring 14 and drives the toothed disk 10 to reset, so that the toothed disk 10 and the toothed disk 11 are re-engaged. At the same time, the sliding block 18 on the outer wall of the sliding disk 17 slides in the limiting groove 19 inside the rotating column 13 to ensure stable movement, thereby achieving the fixed limit of the angle of the detection head 3.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A magnetic particle inspection device for steel structure welds that can reduce errors, comprising a detector (1) and a detection head (3), characterized in that: The detector (1) is fixedly connected to a connector (2) at its bottom, and a support plate (4) is fixedly connected to the side wall of the detector (1). A movable component is provided on the outer wall of the support plate (4). The moving component includes a slider (6), which is slidably connected to the outer wall of the support plate (4). A support frame (7) is fixedly connected to the side wall of the slider (6). A clamp (8) is rotatably connected inside the support frame (7). A spring (9) is provided on the inner wall of the clamp (8). One end of the spring (9) is fixedly connected to the inner wall of the clamp (8), and the other end of the spring (9) is fixedly connected to the side wall of the support frame (7). A magnetic powder tank (5) is provided inside the clamp (8). The outer wall of the magnetic powder tank (5) engages with the inner wall of the clamp (8). An adjustment component is provided on the outer wall of the connector (2).

2. The magnetic particle inspection device for steel structure welds that can reduce errors according to claim 1, characterized in that: The adjustment assembly includes a second toothed disc (11) and a first toothed disc (10). The inner wall of the second toothed disc (11) is fixedly connected to the outer wall of the connector (2), and the first toothed disc (10) is fitted with the second toothed disc (11).

3. The magnetic particle inspection device for steel structure welds that can reduce errors according to claim 2, characterized in that: The connector (2) is rotatably connected to a rotating column (13), and the top of the detection head (3) is fixedly connected to the outer wall of the rotating column (13).

4. The magnetic particle inspection device for steel structure welds that can reduce errors according to claim 3, characterized in that: A pull ring (12) is fixedly connected to one side of the toothed disc (10), and a sliding column (15) is fixedly connected to the other side of the toothed disc (10).

5. A magnetic particle inspection device for steel structure welds that can reduce errors, as described in claim 4, is characterized in that: The rotating column (13) is fixedly connected to a fixed ring (14), and the sliding column (15) is slidably connected inside the fixed ring (14).

6. A magnetic particle inspection device for steel structure welds that can reduce errors, as described in claim 5, is characterized in that: The sliding column (15) is slidably connected inside the rotating column (13), and a sliding disk (17) is fixedly connected to one end of the sliding column (15). A limit groove (19) is opened inside the rotating column (13).

7. A magnetic particle inspection device for steel structure welds that can reduce errors, as described in claim 6, characterized in that: The sliding disk (17) is slidably connected to the inner wall of the rotating column (13), and a sliding block (18) is fixedly connected to the outer wall of the sliding disk (17). The sliding block (18) is slidably connected inside the limiting groove (19).

8. A magnetic particle inspection device for steel structure welds that can reduce errors, as described in claim 7, characterized in that: The outer wall of the sliding column (15) is fitted with a second spring (16), one end of the second spring (16) is fixedly connected to the side wall of the fixed ring (14), and the other end of the second spring (16) is fixedly connected to the side wall of the sliding disk (17).

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