Magnetic attachment surface adsorption detection device and use method thereof
The magnetic face-adhesion detection system magnetically guides the ultrasonic probe through narrow pipes, overcoming detection challenges by synchronizing inner and outer magnetic structures, ensuring thorough inspection and defect localization.
Patent Information
- Application Number
- CN202510315875.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-07-15
AI Technical Summary
In the prior art, ultrasonic probes cannot be carried inside narrow and long pipes for flaw detection, especially for pipes with complex structures such as aircraft composite air intake, which are difficult to detect and locate defects from the outside of the pipe.
A magnetic surface adsorption detection device is adopted to attract opposite sex between the inner magnetic suction structure assembly and the outer magnetic suction structure assembly. The inner magnetic suction structure assembly is equipped with an ultrasonic probe. The outer magnetic suction structure assembly moves outside the pipeline, and the inner magnetic suction structure assembly is traction to move synchronously in the pipeline, driving the ultrasonic probe to complete the detection.
It effectively solves the problem of ultrasonic probe movement in narrow and slender pipes, realizes flaw detection and detection inside the pipe, and can accurately locate the defect position and cross the rib area in the pipe.
Smart Images
Figure CN120314435A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of detection devices, and in particular to a magnetic surface adsorption detection device and a method for using the same. Background Art
[0002] When ultrasonic flaw detection is performed on pipelines, if detection from the outside of the pipeline is blocked due to special circumstances, the only option is to perform flaw detection from the inside of the pipeline. However, due to the narrow and long interior of the pipeline, it is difficult to complete the detection by hand or mechanical devices carrying an ultrasonic probe. Summary of the invention
[0003] The main purpose of the present application is to provide a magnetic surface adsorption detection device and a method of using the same, in order to solve the technical problem in the prior art that it is impossible to carry an ultrasonic probe to complete flaw detection along the inside of a narrow and long pipe.
[0004] The technical solutions adopted in this application are as follows:
[0005] First aspect:
[0006] The present application provides a magnetic surface adsorption detection device, comprising an inner magnetic attraction structure assembly and an outer magnetic attraction structure assembly with opposite charges attracting each other, wherein the inner magnetic attraction structure assembly and the outer magnetic attraction structure assembly are arranged face to face on the inner and outer sides of a pipeline to be tested, an ultrasonic probe is arranged on the inner magnetic attraction structure assembly, and the outer magnetic attraction structure assembly moves along the axial direction of the pipeline to be tested on the outside of the pipeline to be tested, so as to utilize magnetic force to pull the inner magnetic attraction structure assembly to move synchronously along the axial direction of the pipeline to be tested inside the pipeline to be tested.
[0007] Optionally, the internal magnetic attraction structure assembly includes an inner frame and a plurality of first magnetic components, the plurality of first magnetic components are arranged on the inner frame, and a mounting hole for mounting the ultrasonic probe is provided at the center of the inner frame.
[0008] Optionally, the inner frame has three first mounting arms arranged in a 120° circular array with the mounting hole as the center, and the first magnetic member is arranged at one end of the first mounting arm away from the mounting hole.
[0009] Optionally, a moving wheel is provided at one end of the first mounting arm away from the mounting hole, and the first magnetic member is sleeved on the outer circumference of the moving wheel.
[0010] Optionally, the external magnetic attraction structure assembly includes an outer frame and a plurality of second magnetic parts, the plurality of second magnetic parts are not on the inner frame, the second magnetic parts correspond to the first magnetic parts one by one, and the second magnetic parts and the first magnetic parts are attracted to each other in a special shape.
[0011] Optionally, the outer frame body has three second mounting arms that are circumferentially arrayed at 120° with the center as the center of the circle, and the second magnetic member is disposed at one end of the second mounting arm away from the center of the outer frame body.
[0012] Optionally, a vertically penetrating shaft hole is provided at one end of the second mounting arm away from the center of the outer frame body, a retractable foot that can be lifted and lowered is provided in the shaft hole, and the second magnetic member is fixed to the retractable foot.
[0013] Optionally, the retractable foot includes a linear bearing disposed in the shaft hole and a shaft rod mounted in the linear bearing, and the second magnetic member is disposed at the bottom of the shaft rod.
[0014] Optionally, a moving wheel B is provided at the bottom of the second magnetic member.
[0015] Optionally, three rollers are circumferentially arrayed at 120° with the center as the center of the circle at the bottom of the outer frame body.
[0016] Second aspect:
[0017] The present application also provides a method for using a magnetic surface adsorption detection device, including:
[0018] Placing the inner magnetic attraction structure assembly inside the pipeline to be tested, placing the outer magnetic attraction structure assembly outside the pipeline to be tested, and keeping the inner magnetic attraction structure assembly and the outer magnetic attraction structure assembly attracted to each other face to face;
[0019] Moving the outer magnetic attraction structure assembly along the axial direction of the pipeline to be tested, pulling the inner magnetic attraction structure assembly to move synchronously, and driving the ultrasonic probe to complete the flaw detection of the pipeline to be tested.
[0020] Compared with the prior art, the beneficial effects of the present application are:
[0021] A magnetic surface adsorption detection device and a method for using the same provided by an embodiment of the present application, by providing an inner magnetic attraction structure assembly and an outer magnetic attraction structure assembly that attract each other by magnetic force, during ultrasonic flaw detection, by moving the outer magnetic attraction structure assembly that is convenient to operate on the outside of the pipeline to pull the inner magnetic attraction structure assembly that is not convenient to operate on the inside of the pipeline to move synchronously, driving the ultrasonic probe located on the inner magnetic attraction structure assembly to complete the detection, thus effectively solving the technical problem of being inconvenient to move the ultrasonic probe in a narrow and slender pipeline for ultrasonic flaw detection. Description of the Drawings
[0022] Figure 1 It is a schematic structural diagram of the magnetic surface adsorption detection device provided by an embodiment of the present application from one perspective;
[0023] Figure 2 It is a schematic structural diagram of the outer frame body from one perspective;
[0024] Figure 3 Schematic diagram of the mechanism of the roller from a perspective;
[0025] Figure 4 Schematic diagram of the magnetic surface adsorption detection device provided by the embodiment of the present application in the usage scenario;
[0026] Figure 5 Schematic diagram of the positional relationship between the roller and the rib of the magnetic surface adsorption detection device provided by the embodiment of the present application in the usage scenario;
[0027] Figure 6 Schematic diagram of the ultrasonic detection process of the magnetic surface adsorption detection device provided by the embodiment of the present application.
[0028] Explanation of the reference numerals in the drawings:
[0029] 100 - Inner magnetic adsorption structure assembly, 101 - Inner frame body, 102 - Mounting hole, 103 - First magnet, 104 - Second magnet, 105 - Third magnet, 106 - First moving wheel, 107 - Second moving wheel, 108 - Third moving wheel, 200 - Outer magnetic adsorption structure assembly, 201 - Outer frame body, 202 - Fourth magnet, 203 - Fifth magnet, 204 - Sixth magnet, 205 - First telescopic foot, 206 - Second telescopic foot, 207 - Third telescopic foot, 208 - Fourth moving wheel, 209 - Fifth moving wheel, 210 - Sixth moving wheel, 211 - Roller, 212 - Axle hole, 213 - Roller rotating shaft, 300 - Rib. Detailed implementation manners
[0030] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
[0031] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.
[0032] In this application, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of this application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel scenarios. Taking "A and / or B" as an example, it includes scenario A, scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0034] As a supplementary explanation of the background technology, in the field of non-destructive testing, for pipeline flaw detection, usually moving an ultrasonic probe along the outer wall of the pipeline can achieve the purpose of detection. However, in some special cases, such as when detecting complex structures such as aircraft composite material inlet ducts, since there are many ribs bonded to the outside of the inlet duct, and the ribs have an "L" - shaped or "T" - shaped cross - section, when detecting the pipeline at the rib position from the outside of the pipeline, there are many acoustic wave reflection surfaces, and no effective echo can be formed. Therefore, the detection effect cannot be achieved from the outside of the pipeline, forcing the detection to be carried out from the inside of the pipeline. However, due to the narrow and long interior of the pipeline, it is difficult to use human hands or mechanical devices to carry the ultrasonic probe to complete the detection. In addition, when detecting flaws through the inside of the pipeline, it is also impossible to observe the position of the ultrasonic probe in the pipeline where the pipeline is located, and it is difficult to locate the position of pipeline defects.
[0035] In view of the situation where pipeline ultrasonic flaw detection cannot be carried out from the outside of the pipeline as described above, the embodiments of this application provide a magnetic surface - attached adsorption detection device. Refer to the appendix Figure 1, including an inner magnetic attraction structure assembly 100 and an outer magnetic attraction structure assembly 200. The inner magnetic attraction structure assembly 100 and the outer magnetic attraction structure assembly 200 attract each other with opposite polarities. The inner magnetic attraction structure assembly 100 and the outer magnetic attraction structure assembly 200 are arranged oppositely. When in specific use, the two are arranged face to face on the inner and outer sides of the pipeline to be measured. An ultrasonic probe is configured on the inner magnetic attraction structure assembly 100, and the ultrasonic probe is used for pipeline flaw detection. During specific detection, the outer magnetic attraction structure assembly 200 moves along the axial direction of the pipeline to be measured on the outer side of the pipeline to be measured, so as to use magnetic force to traction the inner magnetic attraction structure assembly 100 to move synchronously along the axial direction of the pipeline to be measured inside the pipeline to be measured, thereby driving the ultrasonic probe to move to complete the detection. It can be seen that by setting the inner magnetic attraction structure assembly 100 and the outer magnetic attraction structure assembly 200 that attract each other by magnetic force, during ultrasonic flaw detection, the outer magnetic attraction structure assembly 200 that is convenient to operate on the outer side of the pipeline is moved to traction the inner magnetic attraction structure assembly 100 that is not convenient to operate on the inner side of the pipeline to move synchronously, driving the ultrasonic probe located on the inner magnetic attraction structure assembly 100 to complete the detection, thus effectively solving the technical problem of being inconvenient to move the ultrasonic probe inside a narrow and slender pipeline for ultrasonic flaw detection.
[0036] Specifically:
[0037] See Figure 1 As shown, the inner magnetic attraction structure assembly 100 includes an inner frame body 101 and a first magnetic member. The inner frame body 101 has its center, and an installation hole 102 is provided at the center. The ultrasonic probe is fixedly installed in the installation hole 102. Three first installation arms are integrally formed on the inner frame body 101 in a 120° circumferential array with the installation hole 102 as the center. The first magnetic member is arranged at one end of the first installation arm far away from the installation hole 102. Installing the first magnetic member on the three first installation arms distributed at a 120° angle is beneficial to forming a one-to-one magnetic attraction relationship between the inner magnetic attraction structure assembly 100 and the outer magnetic attraction structure assembly 200, and enabling the magnetic attraction force to act evenly on the inner magnetic attraction structure assembly 100 and the outer magnetic attraction structure assembly 200, ensuring the uniformity of the force on the inner magnetic attraction structure assembly 100 and avoiding the situation that the inner magnetic attraction structure assembly 100 falls due to insufficient magnetic attraction force at a certain position. In this embodiment, for the convenience of description, the three first magnetic members arranged on the first installation arm are respectively denoted as: the first magnet 103, the second magnet 104, and the third magnet 105, and the axes of the first magnet 103, the second magnet 104, and the third magnet 105 are parallel to each other.
[0038] In a preferred embodiment, in order to enable the inner magnetic attraction structure assembly 100 to move axially inside the pipeline, see Figure 1As shown in the figure, a moving wheel A is installed at one end of the first installation arm away from the installation hole 102. The first magnetic part is designed as a ring, and each moving wheel A is sleeved with a first magnetic part. Correspondingly, the three moving wheels A are respectively denoted as the first moving wheel 106, the second moving wheel 107, and the third moving wheel 108. In specific use, the first magnet 103, the second magnet 104, and the third magnet 105 are attached to the inner wall of the pipeline, and during the moving process, the first moving wheel 106, the second moving wheel 107, and the third moving wheel 108 are used to form rotation, reducing the friction with the inner wall of the pipeline and playing a guiding role at the same time.
[0039] In this embodiment, as Figure 1 shown, the outer magnetic attraction structure assembly 200 includes an outer frame body 201 and a second magnetic part. The outer frame body 201 and the inner frame body 101 have exactly the same outer contour, that is, the outer frame body 201 has three second installation arms arranged in a 120° circumferential array with its center as the center of the circle. The second magnetic part is arranged at the first end of the second installation arm away from the center of the outer frame body 201. For the convenience of description, the three second magnetic parts are respectively denoted as the fourth magnet 202, the fifth magnet 203, and the sixth magnet 204. In specific use, the fourth magnet 202, the fifth magnet 203, and the sixth magnet 204 are attached to the outer wall of the pipeline, and
[0040] The first magnet 103, the second magnet 104, and the third magnet 105 and the fourth magnet 202, the fifth magnet 203, and the sixth magnet 204 are in a one-to-one corresponding mutual attraction relationship. When the inner magnetic structure assembly and the outer magnetic attraction structure assembly 200 are in direct contact, the axis of the first magnet 103 coincides with the axis of the fourth magnet 202, the axis of the second magnet 104 coincides with the axis of the fifth magnet 203, and the axis of the third magnet 105 coincides with the axis of the sixth magnet 204.
[0041] In a preferred embodiment, in order to facilitate the outer magnetic attraction structure assembly 200 to move along the outer wall of the pipeline, refer to Figure 1 shown, moving wheels B are installed at the bottom of the second magnetic part. The three moving wheels B are respectively denoted as the fourth moving wheel 208, the fifth moving wheel 209, and the sixth moving wheel 210. The fourth moving wheel 208, the fifth moving wheel 209, and the sixth moving wheel 210 are respectively installed at the bottoms of the fourth magnet 202, the fifth magnet 203, and the sixth magnet 204. When the outer magnetic attraction structure assembly 200 moves along the outer wall of the pipeline, the fourth moving wheel 208, the fifth moving wheel 209, and the sixth moving wheel 210 are in contact with the outer wall of the pipeline, and the friction is small, thus facilitating the movement of the outer magnetic attraction structure assembly 200.
[0042] In the above embodiment, as Figure 4As shown, when there are ribs 300 on the outer wall of the pipeline, in order to complete the full-pipeline flaw detection, it is necessary to make the external magnetic attraction structure assembly 200 straddle the ribs 300. Therefore, in a preferred embodiment, refer to Figure 1 As shown, at one end of the second mounting arm away from the center of the outer frame 201, there is a shaft hole 212 penetrating up and down. A liftable telescopic foot is arranged in the shaft hole 212, and the second magnetic member is fixed to the telescopic foot. For the convenience of description, the telescopic feet on the three second mounting arms are respectively denoted as the first telescopic foot 205, the second telescopic foot 206, and the third telescopic foot 207, and the fourth magnet 202 is fixed to the bottom of the first telescopic foot 205, the fifth magnet 203 is fixed to the bottom of the second telescopic foot 206, and the sixth magnet 204 is fixed to the bottom of the third telescopic foot 207. During specific use, when encountering a rib, the telescopic feet are lifted one by one to drive the magnets on the corresponding telescopic feet to lift and move the outer frame 201 across the rib. Here, the telescopic foot includes a linear bearing and a shaft rod. The second mounting arm is provided with a shaft hole penetrating from top to bottom. The linear bearing is installed in the shaft hole, and the shaft rod is arranged inside the linear bearing. The shaft rod can move up and down along the linear axis.
[0043] In addition, when there are ribs on the outer wall of the pipeline, it is necessary to detect whether there are defects in the bonding with the pipeline along the ribs. In order to form a guiding effect on the movement of the external magnetic attraction structure assembly 200 along the ribs, refer to Figures 1 to 3 As shown, three rollers 211 are arranged in a 120° circumferential array with the center of the bottom of the outer frame 201 as the center. The three rollers 211 are rotatably connected to the outer frame 201 through roller shafts 213. The positions of the three rollers 211 need to meet the following requirements: First, as Figure 3 shown, taking the bottom surface or the top surface of the outer frame 201 as the reference datum, denote the axis passing through the center of the outer frame 201 and perpendicular to the bottom surface and the top surface of the outer frame 201 as the central axis. For two rollers 211 located on the same side of the central axis and at the same distance from the projection point of the central axis, the connecting line L1 of the projection points of their shafts is perpendicular to the connecting line L2 from the projection point of the shaft of the other roller 211 to the projection point of the central axis. The straight line L3 passing through the projection point of the central axis and parallel to L1 has the same distance to the projection points of the axes of the three rollers 211. Generally speaking, the three rollers 211 are located at the three corner points of an equilateral triangle, and the center of this equilateral triangle is the center of the outer frame 201; Second, as Figure 5As shown in the figure, the sizes of the three rollers 211 should meet the following requirements: twice the minimum distance from the outer circle projection line of the roller 211 to the straight line L3 is greater than the upper limit of the possible thickness range of the rib, and twice the minimum distance from the circle projection line of the roller 211 to the straight line L3 is less than the lower limit of the possible thickness range of the rib. That is to say, if the three rollers 211 are regarded as the three corner points of an equilateral triangle, the height of the equilateral triangle is greater than or equal to the thickness of the rib. In this way, during the movement along the rib, at least two of the three rollers 211 that are located on a straight line can be in contact with the rib to form a guide.
[0044] Of course, this embodiment only provides an embodiment of the outer magnetic attraction structure assembly 200 and the inner magnetic attraction structure assembly 100. It can be understood that the shapes of the outer frame 201 and the inner frame 101 are not limited to the clover-like shape mentioned in this example, and can also be shapes such as circles and ellipses that can pass through the pipeline. It can also be understood that the numbers of the first magnetic member, the second magnetic member, the moving wheels, and the rollers 211 are not limited to three, but at least two or more, because when crossing the rib, when one telescopic foot is lifted, the other telescopic foot needs to maintain a lowered posture to ensure that there are the first magnetic member and the second magnetic member that attract each other. At the same time, the positions of the first magnetic member, the second magnetic member, and the roller 211 are not limited to a 120° circumference. The purpose of the circumferential array is to facilitate the first magnetic member and the second magnetic member to be attracted to each other in relatively symmetric positions, ensuring uniform force distribution on the inner frame 101 and the outer frame 201 during adsorption.
[0045] In summary, a magnetic attached surface adsorption detection device provided by an embodiment of the present application, its usage method during specific detection, includes the following steps, as Figure 6 shown:
[0046] Step 1: Place the inner magnetic structure assembly inside the pipeline that is inconvenient to operate, place the outer magnetic attraction structure assembly 200 outside the pipeline that is convenient to operate, and make the first magnet 103, the second magnet 104, and the third magnet 105 attract the fourth magnet 202, the fifth magnet 203, and the sixth magnet 204 respectively in one-to-one correspondence. Here, it should be noted that the magnetic attraction force of the magnets is sufficient to make the inner magnetic structure assembly 100 overcome its own gravity and closely adhere to the inner surface of the pipeline, and the first moving wheel 106, the second moving wheel 107, and the third moving wheel 108 closely adhere to the inner surface of the pipeline;
[0047] Step 2: Move the outer magnetic attraction structure assembly 200, and always keep the fourth moving wheel 208, the fifth moving wheel 209, and the sixth moving wheel 210 of the outer magnetic attraction structure assembly 200 closely attached to the outer surface of the wall plate during the movement. During the movement, the inner magnetic structure assembly 100 moves along with the outer magnetic attraction structure assembly 200 under the traction of the magnetic force;
[0048] Step 3: When the outer magnetic attraction structure assembly 200 is moved close to the rib, the first telescopic leg 205 is raised to move the fourth moving wheel 208 and the fourth magnet 202 away from the outer surface of the wall panel. At this time, the first magnet 103 loses its magnetic attraction, and the weight of the inner magnetic attraction structure assembly 100 is provided by the suction force generated by the remaining second magnet 104 and the third magnet 105;
[0049] Step 4: Move the outer magnetic structure assembly 200 so that the first telescopic leg 205, the fourth moving wheel 208 and the fourth magnet 202 pass over the ribs, and at the same time, the inner magnetic structure assembly 100 moves under the traction of the outer magnetic structure assembly 200 so that the first magnet 103 passes over the ribs;
[0050] Step 5, lower the first telescopic foot 205 to make the fourth moving wheel 208 contact the outer surface of the wall panel again, and the fourth magnet 202 and the first magnet 103 resume mutual attraction;
[0051] Step 6: Move the outer frame 201 to make the roller 211 contact the rib. Two of the three rollers 211 are located on one side of the rib, and the other is located on the other side of the rib. At this time, the roller 211 plays a guiding role on the rib. Move the outer magnetic attraction structure assembly 200 along the direction of the rib, and the inner magnetic attraction structure assembly 100 also moves along the direction of the rib, completing the flaw detection of the pipeline near the rib.
[0052] Step 7, raise the second telescopic foot 206 to move the fifth moving wheel 209 and the fifth magnet 203 away from the outer surface of the wall panel. At this time, the second magnet 104 loses its magnetic attraction, and the weight of the internal magnetic attraction structure assembly 100 is provided by the remaining suction force generated by the first magnet 103 and the third magnet 105;
[0053] Step eight, move the outer frame 201 so that the second telescopic leg 206, the fifth moving wheel 209 and the fifth magnet 203 pass over the ribs and are on the same side of the ribs as the first telescopic leg 205. At the same time, the inner magnetic attraction structure assembly 100 moves under the traction of the outer magnetic attraction structure assembly 200 so that the second magnet 104 passes over the ribs;
[0054] Step nine, lower the second telescopic foot 206 to make the fifth moving wheel 209 contact the outer surface of the wall panel again, and the fifth magnet 203 and the second magnet 104 resume mutual attraction;
[0055] Step 10, performing operations similar to steps 7 to 9 on the third telescopic leg 207. At this point, the magnetic surface adsorption device has completely passed over the ribs and can continue to perform operations.
[0056] In summary, the magnetic surface adsorption detection device provided in the embodiment of the present application has the following features:
[0057] Beneficial effects:
[0058] First, a magnetic surface adsorption detection device provided by an embodiment of the present application, by setting an inner magnetic attraction structure assembly and an outer magnetic attraction structure assembly that attract each other by magnetic force, during ultrasonic flaw detection, the outer magnetic attraction structure assembly that is convenient to operate on the outer side of the pipeline is moved to drive the inner magnetic attraction structure assembly that is not convenient to operate on the inner side of the pipeline to move synchronously, driving the ultrasonic probe located on the inner magnetic attraction structure assembly to complete the detection, thus effectively solving the technical problem of inconveniently moving the ultrasonic probe in a narrow and slender pipeline for ultrasonic flaw detection.
[0059] Second: A magnetic surface adsorption detection device provided by an embodiment of the present application, by setting an inner magnetic attraction structure assembly and an outer magnetic attraction structure assembly that attract each other by magnetic force, the inner magnetic attraction structure assembly is on the inner side of the pipeline, and the outer magnetic attraction structure assembly is on the outer side of the pipeline. When a pipeline defect is found, the position of the inner magnetic attraction structure assembly in the pipeline can be determined by observing the position of the outer magnetic attraction structure assembly, and the position where the pipeline defect is located can be clearly judged.
[0060] Third: A magnetic surface adsorption detection device provided by an embodiment of the present application, by setting telescopic feet, it can achieve the inner magnetic attraction mechanism assembly and the outer magnetic attraction structure assembly to straddle the rib to complete the inspection, solving the problem of unable to detect the ultrasonic flaw in the rib area from the outside, and by raising and lowering the telescopic feet to straddle the rib, during this process, the inner magnetic attraction structure assembly is always adsorbed on the inner wall of the pipeline and will not fall off, without the need to re-adsorb the inner magnetic attraction structure assembly and the outer magnetic attraction structure assembly, which greatly facilitates the inspection operation.
[0061] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A magnetic surface adsorption detection device, characterized in that It includes an internal magnetic attraction structure assembly and an external magnetic attraction structure assembly with opposite-sex attraction. The internal magnetic attraction structure assembly and the external magnetic attraction structure assembly are arranged face to face on the inner and outer sides of the pipeline to be measured. An ultrasonic probe is configured on the internal magnetic attraction structure assembly. The external magnetic attraction structure assembly moves axially along the pipeline to be measured on the outer side of the pipeline to be measured, so as to use magnetic force to traction the internal magnetic attraction structure assembly to move synchronously axially in the pipeline to be measured.
2. The magnetic attachment adsorption detection device according to claim 1, wherein The internal magnetic attraction structure assembly includes an internal frame body and a plurality of first magnetic members. The plurality of first magnetic members are arranged on the internal frame body, and an installation hole for installing the ultrasonic probe is provided at the center of the internal frame body.
3. The magnetic surface adsorption detection device according to claim 2, characterized in that The internal frame body has three first installation arms arranged in a 120° circumferential array with the installation hole as the center. The first magnetic member is arranged at one end of the first installation arm away from the installation hole.
4. The magnetic attachment adsorption detection device according to claim 3, wherein A moving wheel A is arranged at one end of the first installation arm away from the installation hole, and the first magnetic member is sleeved on the outer circumference of the moving wheel A.
5. The magnetic surface adsorption detection device according to claim 2, wherein The external magnetic attraction structure assembly includes an external frame body and a plurality of second magnetic members. The plurality of second magnetic members are not arranged on the internal frame body. The second magnetic members correspond to the first magnetic members one by one, and the second magnetic members attract the first magnetic members with opposite shapes.
6. The magnetic attachment adsorption detection device according to claim 5, wherein The external frame body has three second installation arms arranged in a 120° circumferential array with the center as the center. The second magnetic member is arranged at one end of the second installation arm away from the center of the external frame body.
7. The magnetic attachment adsorption detection device according to claim 6, characterized in that, A vertically penetrating shaft hole is provided at one end of the second installation arm away from the center of the external frame body, and a liftable telescopic foot is arranged in the shaft hole. The second magnetic member is fixed to the telescopic foot.
8. The magnetic surface adsorption detection device according to claim 7, wherein The telescopic foot includes a linear bearing arranged in the shaft hole and a shaft rod installed in the linear bearing. The second magnetic member is arranged at the bottom of the shaft rod.
9. The magnetic attachment adsorption detection device according to claim 8, wherein A moving wheel B is arranged at the bottom of the second magnetic member.
10. The magnetic attachment adsorption detection device according to claim 5, wherein, Three rollers are arranged in a 120° circumferential array with the center as the center at the bottom of the external frame body.
11. A method for using the magnetic surface adsorption detection device according to claims 1 to 10, characterized in that, It includes: Place the internal magnetic attraction structure assembly inside the pipeline to be measured, place the external magnetic attraction structure assembly outside the pipeline to be measured, and keep the internal magnetic attraction structure assembly and the external magnetic attraction structure assembly attracted to each other face to face; Move the external magnetic attraction structure assembly axially along the pipeline to be measured, traction the internal magnetic attraction structure assembly to move synchronously, and drive the ultrasonic probe to complete the flaw detection of the pipeline to be measured.