A magnetic particle inspection device for pressure vessels

Abstract

This utility model discloses a magnetic particle inspection device for pressure vessels, relating to the field of magnetic particle inspection technology. The utility model includes a base and an inspection assembly, which is mounted on top of the base. The inspection assembly includes a magnetic particle inspector. A lifting frame is slidably mounted on the top of the base. Symmetrically distributed electric cylinders are fixedly mounted inside the lifting frame. A fixed frame is fixedly mounted at the output end of the electric cylinders. A rotating shaft is rotatably mounted inside the fixed frame. An adjusting frame is fixedly mounted outside the rotating shaft. A transmission rod is rotatably mounted inside the fixed frame. A first gear is fixedly sleeved outside the transmission rod, and a second gear is fixedly sleeved outside the rotating shaft. By setting up the electric cylinders, fixed frame, rotating shaft, and adjusting frame in a coordinated manner, this utility model allows for lateral adjustment of the magnetic particle inspector. Simultaneously, the angle of the magnetic particle inspector can be adjusted according to the part of the pressure vessel to be inspected, thus enabling omnidirectional contact inspection between the magnetic particle inspector and the pressure vessel, avoiding the problem of overly cumbersome manual operation.

Description

Technical Field

[0001] This utility model relates to the field of magnetic particle inspection technology, specifically a magnetic particle inspection device for pressure vessels. Background Technology

[0002] Magnetic particle testing is a non-destructive testing method that utilizes the leakage magnetic field created by ferromagnetic materials in a magnetic field. Fine magnetic powder is sprinkled onto the surface of the workpiece to reveal surface or near-surface defects such as cracks and inclusions. By observing the characteristics of magnetic powder accumulation at defects, the internal defects of the material can be determined, thereby ensuring product quality and safety. This technology is simple to operate, has a wide range of applications, and is one of the most widely used inspection methods in industry.

[0003] Currently, magnetic particle testing of pressure vessels is usually performed manually, which makes the testing process complex and results in low efficiency. To address these issues, the inventors propose a magnetic particle testing device for pressure vessels. Utility Model Content

[0004] To address the problem of low efficiency in inspecting pressure vessels, the purpose of this invention is to provide a magnetic particle inspection device for pressure vessels.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a magnetic particle inspection device for pressure vessels, comprising a base and an inspection component, wherein the inspection component is installed above the base and includes a magnetic particle inspector; a lifting frame is slidably provided at the top of the base; symmetrically distributed electric cylinders are fixedly provided on the inner side of the lifting frame; a fixed frame is fixedly provided at the output end of the electric cylinders; a rotating shaft is rotatably provided inside the fixed frame; an adjusting frame is fixedly provided on the outer side of the rotating shaft; the magnetic particle inspector is installed inside the adjusting frame; a transmission rod is rotatably provided inside the fixed frame; a first gear is fixedly sleeved on the outer side of the transmission rod; a second gear is fixedly sleeved on the outer side of the rotating shaft; the first gear and the second gear mesh with each other; a worm is rotatably provided inside the fixed frame; a worm wheel is fixedly sleeved on the outer side of the transmission rod; the worm and the worm wheel mesh with each other.

[0006] Preferably, a support frame is installed at the top of the base, an adjustment groove is provided in the support frame, a threaded rod is rotatably provided in the adjustment groove, a threaded slider is threaded on the outside of the threaded rod, the threaded slider is fixedly connected to the lifting frame, a second motor is fixedly provided at the top of the support frame, and the end of the output shaft of the second motor is inserted through the support frame and fixedly connected to the threaded rod.

[0007] Preferably, a drive assembly is installed at the bottom of the base, the lifting frame is detachably installed on the outside of the threaded slider by screws, an auxiliary rod is fixedly inserted in the adjustment groove, and the auxiliary rod is movably inserted in the threaded slider.

[0008] Preferably, a clamping assembly is installed on the outside of the adjusting frame, the magnetic particle flaw detector is installed on the inside of the clamping assembly, a storage box is fixedly provided on the top of the base, a No. 1 motor is installed on the top of the fixed frame, and the end of the output shaft of the No. 1 motor is inserted through the fixed frame and fixedly connected to the worm gear.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0010] 1. In this utility model, by setting up an electric cylinder, a fixed frame, a rotating shaft and an adjusting frame and other structures to cooperate with each other, the magnetic particle flaw detector can be adjusted laterally. At the same time, the angle of the magnetic particle flaw detector can be adjusted according to the part of the pressure vessel to be detected, so that the magnetic particle flaw detector can contact the pressure vessel for detection from all directions, avoiding the problem of overly cumbersome manual operation.

[0011] 2. In this utility model, by setting an adjustment groove, a threaded rod, a threaded slider and a No. 2 motor and other structures to cooperate with each other, the height of the magnetic particle flaw detector can be adjusted, so that it can be inspected in all directions according to the specifications of the pressure vessel. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a side view of the overall structure of this utility model.

[0015] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0016] In the diagram: 1. Base; 11. Flaw detection assembly; 12. Magnetic particle flaw detector; 13. Support frame; 14. Storage box; 15. Drive assembly; 2. Lifting frame; 21. Electric cylinder; 22. Fixing frame; 23. Rotating shaft; 24. Adjusting frame; 25. Clamping assembly; 26. Transmission rod; 27. Gear No. 1; 28. Gear No. 2; 3. Worm gear; 31. Worm wheel; 32. Motor No. 1; 4. Adjustment groove; 41. Threaded rod; 42. Threaded slider; 43. Auxiliary rod; 44. Motor No. 2. Detailed Implementation

[0017] 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.

[0018] like Figure 1-3 As shown, this utility model provides a magnetic particle inspection device for pressure vessels, including a base 1 and an inspection component 11. The inspection component 11 is installed above the base 1 and includes a magnetic particle inspector 12. The magnetic particle inspection component 11 mainly consists of a magnetic source, a magnetic field generating system, magnetic powder, and a detection system. A magnetic field is applied to the workpiece to be inspected, causing a leakage magnetic field to be generated inside or on the surface. When cracks or defects exist in the material, the magnetic field is disturbed, causing the leakage magnetic field to concentrate at the defect. Subsequently, magnetic powder is applied to the surface of the workpiece, and the magnetic powder attracts the leakage magnetic field area, forming a clear defect mark, thereby realizing the detection of defects. A lifting frame 2 is slidably provided at the top of the base 1. The lifting frame 2 can be height adjusted. A symmetrically distributed electric cylinder 21 is fixed inside the lifting frame 2. The output end of the electric cylinder 21 drives the fixed frame 22 to move laterally. The fixed frame 22 is fixedly provided at the output end of the electric cylinder 21 for fixed support and fixation. A rotating shaft 23 is rotatably mounted inside the frame 22. The rotation of the rotating shaft 23 drives the adjustment frame 24 to rotate. The adjustment frame 24 is fixedly mounted on the outside of the rotating shaft 23. The rotation of the adjustment frame 24 drives the magnetic particle flaw detector 12 to rotate. The magnetic particle flaw detector 12 is installed inside the adjustment frame 24. A transmission rod 26 is rotatably mounted inside the fixed frame 22. The rotation of the transmission rod 26 drives the first gear 27 to rotate. The first gear 27 is fixedly mounted on the outside of the transmission rod 26. The rotation of the first gear 27 drives the second gear 28 to rotate. The second gear 28 is fixedly mounted on the outside of the rotating shaft 23. The rotation of the second gear 28 drives the rotating shaft 23 to rotate. By using a small gear to drive a large gear, the accuracy of angle adjustment can be improved. The first gear 27 and the second gear 28 mesh with each other. A worm gear 3 is rotatably mounted inside the fixed frame 22. A worm wheel 31 is fixedly mounted on the outside of the transmission rod 26. The worm gear 3 and the worm wheel 31 mesh with each other. The rotation of the worm gear 3 drives the meshing worm wheel 31 to self-lock.

[0019] A support frame 13 is installed at the top of the base 1. An adjustment groove 4 is provided inside the support frame 13. A threaded rod 41 is rotatably provided inside the adjustment groove 4. A threaded slider 42 is threadedly sleeved on the outside of the threaded rod 41. The threaded slider 42 is fixedly connected to the lifting frame 2. A second motor 44 is fixedly installed at the top of the support frame 13. The end of the output shaft of the second motor 44 is inserted through the support frame 13 and fixedly connected to the threaded rod 41.

[0020] By adopting the above technical solution, the No. 2 motor 44 starts to work. The output shaft of the No. 2 motor 44 rotates, which drives the threaded rod 41 to rotate. The rotation of the threaded rod 41 drives the threaded slider 42 to move up and down with the assistance of the auxiliary rod 43, thereby allowing the height of the magnetic particle flaw detector 12 to be adjusted.

[0021] A drive assembly 15 is installed at the bottom of the base 1.

[0022] By adopting the above technical solution, the drive component 15 can drive the entire device to move laterally.

[0023] The lifting frame 2 is detachably mounted on the outside of the threaded slider 42 by screws.

[0024] By adopting the above technical solution, the lifting frame 2 can be installed and disassembled on the outside of the threaded slider 42, which facilitates subsequent disassembly and maintenance.

[0025] An auxiliary rod 43 is fixedly inserted into the adjusting groove 4, and the auxiliary rod 43 is movably inserted into the threaded slider 42.

[0026] By adopting the above technical solution, the auxiliary rod 43 can assist the threaded slider 42 in moving up and down.

[0027] A clamping assembly 25 is installed on the outside of the adjusting frame 24, and a magnetic particle flaw detector 12 is installed on the inside of the clamping assembly 25.

[0028] By adopting the above technical solution, the clamping component 25 can clamp and position magnetic particle flaw detectors 12 of different specifications, and at the same time facilitate their installation and disassembly.

[0029] A storage box 14 is fixedly installed at the top of the base 1.

[0030] By adopting the above technical solution, the storage box 14 is used to store and place tools and equipment used in flaw detection work.

[0031] A No. 1 motor 32 is installed at the top of the fixed frame 22. The end of the output shaft of the No. 1 motor 32 is inserted through the fixed frame 22 and fixedly connected to the worm gear 3.

[0032] By adopting the above technical solution, the end of the output shaft of motor 32 rotates, driving the worm gear 3 to rotate, thereby providing power output.

[0033] Working principle: First, the pressure vessel to be tested is placed in the designated area, and magnetic powder is sprayed onto the area. Then, the device is moved to the side of the pressure vessel. When testing, two electric cylinders 21 are activated, causing them to work. The output end of the electric cylinders 21 drives the fixed frame 22 to move towards the pressure vessel. Next, the first motor 32 is activated, causing it to work. The output shaft of the first motor 32 rotates, driving the worm gear 3 to rotate. The rotation of the worm gear 3 drives the meshing worm wheel 31 to rotate. The rotation of the worm wheel 31 drives the rotating shaft 23 to rotate. The rotation of the rotating shaft 23 drives the first gear 27 to rotate. The rotation of the first gear 27 drives the meshing second gear 28 to rotate. The rotation of the second gear 28 drives the rotating shaft 23 to rotate. The rotation of the rotating shaft 23 drives the adjusting frame 24 to rotate. 4. The rotation drives the clamping assembly 25 and the magnetic particle flaw detector 12 to rotate. Then, the second motor 44 is started, and the output shaft of the second motor 44 rotates, driving the threaded rod 41 to rotate. The rotation of the threaded rod 41 drives the threaded slider 42 to move up and down with the assistance of the auxiliary rod 43. This allows for all-round adjustment of the magnetic particle flaw detector 12, making it fit against the outside of the pressure vessel. When there are cracks or defects in the material, the magnetic field is disturbed, causing the leakage magnetic field to concentrate at the defect. Then, magnetic powder is applied to the surface of the workpiece, and the magnetic powder attracts the leakage magnetic field area, forming a clear defect mark, thereby realizing defect detection. This allows for the detection of a specified area, and thus allows for all-round inspection of the pressure vessel, avoiding the problem of overly cumbersome manual operation.

[0034] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A magnetic particle inspection apparatus for pressure vessels, comprising a base (1) and an inspection assembly (11), characterized in that: The flaw detection assembly (11) is installed above the base (1). The flaw detection assembly (11) includes a magnetic particle flaw detector (12). A lifting frame (2) is slidably provided at the top of the base (1). A symmetrically distributed electric cylinder (21) is fixedly provided on the inner side of the lifting frame (2). A fixed frame (22) is fixedly provided at the output end of the electric cylinder (21). A rotating shaft (23) is rotatably provided inside the fixed frame (22). An adjusting frame (24) is fixedly provided on the outer side of the rotating shaft (23). The magnetic particle flaw detector (12) is installed inside the adjusting frame (24). The fixed frame (22) is rotatably provided with a transmission rod (26), and a first gear (27) is fixedly sleeved on the outside of the transmission rod (26). A second gear (28) is fixedly sleeved on the outside of the rotating shaft (23). The first gear (27) and the second gear (28) mesh with each other. The fixed frame (22) is rotatably provided with a worm (3), and a worm wheel (31) is fixedly sleeved on the outside of the transmission rod (26). The worm (3) and the worm wheel (31) mesh with each other.

2. A pressure vessel magnetic particle inspection apparatus as claimed in claim 1, wherein The base (1) is equipped with a support frame (13) at the top. An adjustment groove (4) is provided in the support frame (13). A threaded rod (41) is rotatably provided in the adjustment groove (4). A threaded slider (42) is threaded on the outside of the threaded rod (41). The threaded slider (42) is fixedly connected to the lifting frame (2). A second motor (44) is fixedly provided at the top of the support frame (13). The output shaft end of the second motor (44) is inserted through the support frame (13) and fixedly connected to the threaded rod (41).

3. A pressure vessel magnetic particle inspection apparatus as claimed in claim 1, wherein The base (1) has a drive assembly (15) installed at its bottom.

4. The magnetic particle inspection device for pressure vessels as described in claim 2, characterized in that, The lifting frame (2) is detachably mounted on the outside of the threaded slider (42) by screws.

5. A magnetic particle inspection device for pressure vessels as described in claim 2, characterized in that, An auxiliary rod (43) is fixedly inserted into the adjustment groove (4), and the auxiliary rod (43) is movably inserted into the threaded slider (42).

6. The magnetic particle inspection device for pressure vessels as described in claim 1, characterized in that, The adjustment frame (24) is equipped with a clamping assembly (25) on the outside, and the magnetic particle flaw detector (12) is installed on the inside of the clamping assembly (25).

7. The magnetic particle inspection device for pressure vessels as described in claim 1, characterized in that, The base (1) has a storage box (14) fixedly installed at the top.

8. The magnetic particle inspection device for pressure vessels as described in claim 1, characterized in that, A No. 1 motor (32) is installed at the top of the fixed frame (22). The output shaft end of the No. 1 motor (32) is inserted through the fixed frame (22) and fixedly connected to the worm gear (3).

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