An ultrasonic flaw detection device for pipe

Abstract

The application belongs to the technical field of pipe flaw detection, in particular to an ultrasonic flaw detection equipment for pipe flaw detection, which comprises a machine body, a plurality of rotating wheels are rotatably arranged on one side of the machine body, a cleaning assembly is arranged on one side of the machine body, the cleaning assembly comprises a reciprocating screw rotatably arranged on one side of the machine body, a sliding ring is slidably connected to the circumferential surface of the reciprocating screw, a plurality of cleaning rollers are rotatably arranged on one side of the sliding ring, and the cleaning rollers are used for cleaning impurities on the surface of the metal pipe; a spraying assembly is further arranged on one side of the machine body, the spraying assembly comprises a storage box fixedly arranged on one side of the machine body, a sealing element is arranged in the storage box, a pushing element is arranged on the upper surface of the sliding ring, the pushing element is used for unsealing the sealing element, releasing the neutral cleaning agent in the storage box, and cleaning oil stains on the surface of the metal pipe, and the problem of impurities on the surface of the metal pipe is solved through the arrangement of the cleaning assembly and the spraying assembly.

Description

Technical Field

[0001] This invention belongs to the field of pipe flaw detection technology, specifically an ultrasonic flaw detection device for pipe flaw detection. Background Technology

[0002] Acoustic flaw detection technology utilizes the property of ultrasonic waves to penetrate deep into metal materials. When the beam enters the interior of a part from the surface through the probe, it is reflected back when it encounters defects or the bottom of the part, forming reflected waves. These reflected waves are converted into pulse waveforms on a fluorescent screen. Based on the characteristics of these waveforms, technicians can analyze and determine the specific location and size of internal defects in the part.

[0003] In existing ultrasonic flaw detection equipment, the process for inspecting metal pipes involves several steps. First, the operator places the metal pipe to be inspected into the loading device and adjusts the equipment. Then, a suitable coupling agent is sprayed onto the surface of the metal pipe. During the inspection, the metal pipe is slowly passed through the testing equipment. The ultrasonic beam travels from the probe into the inside of the pipe. When it encounters a defect or the bottom surface of the pipe, it generates reflected waves. These reflected waves are received by the probe and converted into electrical signals. After amplification, they form pulse waveforms on the fluorescent screen. By observing these waveforms, the operator can determine the location, size, and nature of the defects.

[0004] However, during the flaw detection process of existing equipment, several probes inside the equipment come into direct contact with the surface of the metal pipe. If impurities, oil, or other contaminants remain on the probe surface, these residues will not only hinder the effective propagation of ultrasonic waves but may also introduce additional reflected signals, thereby interfering with the accuracy of the flaw detection results. They may also cause wear on the probes, shortening their service life. Secondly, because the coupling agent is sprayed directly from above the pipe, there will be no effective adhesion of the coupling agent to the lower arc surface of the pipe. The coupling agent can fill the tiny gap between the probe and the metal pipe, ensuring that the ultrasonic waves can be successfully transmitted to the material being tested. However, if the coupling agent is not coated evenly, the ultrasonic waves will scatter or attenuate during transmission, thereby reducing the sensitivity and accuracy of the flaw detection. Especially when performing circumferential inspection on pipes, uneven coating of the coupling agent is more likely to cause blind spots or false alarms, resulting in inaccurate detection.

[0005] Therefore, the present invention provides an ultrasonic flaw detection device for pipe flaw detection. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides an ultrasonic flaw detection device for pipe flaw detection, comprising a body, a plurality of rotating wheels rotatably disposed on one side of the body, and a cleaning component disposed on one side of the body. The cleaning component includes a reciprocating screw rotatably disposed on one side of the body, a sliding ring slidably connected to the circumferential surface of the reciprocating screw, and a plurality of cleaning rollers rotatably disposed on one side of the sliding ring. The cleaning rollers are used to clean impurities on the surface of the metal pipe.

[0008] A spray assembly is also provided on one side of the machine body. The spray assembly includes a storage box fixed to one side of the machine body. A sealing element is provided inside the storage box. A pushing element is provided on the upper surface of the sliding ring. The pushing element is used to release the seal of the sealing element and release the neutral detergent in the storage box to clean the oil stains on the surface of the metal pipe.

[0009] A coating assembly is also provided on one side of the sliding ring. The coating assembly includes several coating rollers that are rotatably disposed on one side of the sliding ring. The several coating rollers are used for uniform coating of the metal pipe surface after spraying coupling agent.

[0010] Preferably, the cleaning assembly further includes a fixed motor fixed inside the sliding ring, the output end of the fixed motor being fixedly connected to a fixed gear, the fixed gear meshing with a gear ring, the gear ring being rotatably disposed inside the sliding ring, and a plurality of cleaning rollers being rotatably disposed on one side of the gear ring.

[0011] Preferably, when the reciprocating screw is started by the built-in motor of the machine body, the reciprocating screw drives the sliding ring to slide. The sliding of the sliding ring causes several cleaning rollers that are rotatably set on one side of the sliding ring to work. At the same time as the sliding ring slides, the fixed motor is started. The rotation of the fixed motor drives the fixed gear to rotate. The rotation of the fixed gear drives the gear ring that meshes with it to rotate. The rotation of the gear ring can drive several cleaning rollers that are rotatably connected to one side of it, so that the cleaning rollers can move axially along the metal pipe and rotate around the metal pipe.

[0012] Preferably, several coating rollers are arranged in a circumferential array on one side of the gear ring, and each coating roller is rotatably mounted on one side of the gear ring, so that it can come into contact with the metal pipe while the gear ring is rotating, and rotate under the action of friction to uniformly coat the coupling agent.

[0013] Preferably, the spray assembly includes a base plate fixed to one side of the machine body, a storage box fixed to the upper surface of the base plate, the storage box storing a neutral detergent, and a top plate slidably disposed within the storage box. Two springs are fixed to one side of the top plate, and the ends of the two springs away from the top plate are fixed to the storage box.

[0014] Preferably, the pushing member includes an insert plate fixed to the upper surface of the sliding ring, the insert plate moves with the movement of the sliding ring, and the insert plate has an "L"-shaped connecting hole inside.

[0015] Preferably, as the insert plate moves with the sliding ring, it pushes the top plate, pushing the top plate out of the storage box. At this time, the "L"-shaped connecting hole on the surface of the insert plate is aligned with the hole inside the storage box. Then, the neutral cleaning agent in the storage box is sprayed out from several nozzles fixed to the lower surface of the bottom plate under pressure to spray the surface of the metal pipe with neutral cleaning agent. Subsequently, the cleaning roller performs the cleaning work.

[0016] Preferably, two sets of spray components are symmetrically arranged on both sides of the sliding ring. One set of spray components is used to spray neutral cleaning agent, and the other set of spray components is used to spray coupling agent. The storage box corresponding to the coupling agent is fixed to one side of the machine body. The lower surface of the storage box is provided with corresponding spray holes. The insert plate for storing the coupling agent storage box moves within a fixed cavity opened on one side of the machine body.

[0017] Preferably, a limiting ring is fixed to the circumferential surface of the gear ring, the gear ring is rotatably disposed on the inner wall of the sliding ring via the limiting ring, a limiting plate is fixed to one side of the sliding ring, a limiting guide rail is fixed to one side of the machine body, and the sliding ring slides along the limiting guide rail via the limiting plate.

[0018] Preferably, a plurality of support plates are provided on both sides of the machine body, and a support groove is provided on the surface of each support plate. The support groove is used to place metal pipes. A feeding plate is provided on the upper surface of one support plate, and an arc plate is rotatably provided on the upper surface of the other support plate. The arc plate is used to feed metal pipes that fail the flaw detection.

[0019] The beneficial effects of this invention are as follows:

[0020] 1. The ultrasonic flaw detection equipment for pipe flaw detection described in this invention uses a built-in motor to drive the reciprocating screw in the cleaning assembly to rotate, which in turn drives the sliding ring to slide on the circumferential surface. The cleaning roller on one side of the sliding ring rotates passively, making close contact with and cleaning impurities on the pipe surface. At the same time, the storage tank in the spray assembly contains neutral cleaning agent. When the pusher on the sliding ring moves to the storage tank position with the sliding ring, the pusher releases the seal of the sealing element, allowing the cleaning agent to be sprayed out to clean the oil stains on the pipe surface. After cleaning, the coating rollers in the coating assembly start working. They rotate and evenly coat the coupling agent on the surface of the metal pipe, ensuring a uniform and consistent coating effect, improving the efficiency and quality of metal pipe surface treatment. The cleaning rollers can ensure comprehensive cleaning of impurities on the pipe surface, while the use of neutral cleaning agent effectively removes hard-to-remove stains such as oil stains. In addition, the uniform coating work of the coating rollers ensures the uniform distribution of the coupling agent on the pipe surface, improving the effect of subsequent processing or use.

[0021] 2. The ultrasonic flaw detection equipment for pipe flaw detection described in this invention involves a sliding ring moving an insert plate, which pushes a top plate out of a storage box. At this time, the "L"-shaped connecting hole on the surface of the insert plate aligns with the hole inside the storage box. Neutral cleaning agent from the storage box is then pressurized and sprayed from several nozzles fixed to the lower surface of the base plate, spraying the surface of the metal pipe with neutral cleaning agent. A cleaning roller then performs the cleaning operation. The insert plate, moving with the sliding ring, pushes the top plate, precisely controlling the release of neutral cleaning agent to ensure that the cleaning agent is sprayed onto the surface of the metal pipe at the appropriate location. The cleaning roller then cleans immediately, effectively removing stains. This achieves efficient utilization of the cleaning agent and seamless connection of the cleaning process, improving the overall efficiency and effectiveness of the cleaning operation. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a perspective view of Embodiment 1 of the present invention;

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

[0025] Figure 3 This is a schematic diagram of the cleaning component of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the cleaning roller of the present invention;

[0027] Figure 5 This is a schematic diagram of the nozzle structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the limiting plate of the present invention;

[0029] Figure 7 This is a schematic diagram of the coating roller of the present invention.

[0030] In the image: 1. Body;

[0031] 2. Rotate the wheel;

[0032] 3. Support plate; 31. Support groove; 32. Curved plate; 33. Feeding plate;

[0033] 4. Reciprocating screw; 41. Sliding ring; 42. Fixed motor; 43. Fixed gear; 44. Gear ring; 45. Cleaning roller; 46. Limiting ring; 47. Coating roller; 48. Limiting plate; 49. Limiting guide rail; 410. Fixed cavity;

[0034] 5. Base plate; 51. Storage box; 52. Nozzle; 53. Insert plate; 54. Nozzle hole; 55. Top plate; 56. Spring; 57. Connection hole. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0036] Example 1: As Figures 1 to 7 As shown in the embodiment of the present invention, an ultrasonic flaw detection device for pipe flaw detection includes a body 1. A plurality of rotating wheels 2 are rotatably arranged on one side of the body 1. A cleaning assembly is provided on one side of the body 1, including a reciprocating screw 4 rotatably arranged on one side of the body 1. A sliding ring 41 is slidably connected to the circumferential surface of the reciprocating screw 4. A plurality of cleaning rollers 45 are rotatably arranged on one side of the sliding ring 41. The cleaning rollers 45 are used to clean impurities on the surface of the metal pipe. A spraying assembly is also provided on one side of the body 1, including a storage box 51 fixed to one side of the body 1. A sealing element is provided inside the storage box 51. A pushing element is provided on the upper surface of the sliding ring 41, used to release the seal of the sealing element and release the neutral cleaning agent in the storage box 51 to clean oil stains on the surface of the metal pipe. A coating assembly is also provided on one side of the sliding ring 41, including a plurality of coating rollers 47 rotatably arranged on one side of the sliding ring 41. The coating rollers 47 are used to uniformly coat the surface of the metal pipe after spraying a coupling agent.

[0037] Specifically, during the flaw detection process of existing equipment, several probes inside the equipment come into direct contact with the surface of the metal pipe. If impurities, oil, or other contaminants remain on the probe surface, these residues will not only hinder the effective propagation of ultrasonic waves but may also introduce additional reflected signals, thereby interfering with the accuracy of the flaw detection results. They may also cause wear to the probes, shortening their service life. Secondly, because the coupling agent is sprayed directly from above the pipe, there will be no effective adhesion of the coupling agent to the lower arc surface of the pipe. The coupling agent can fill the tiny gap between the probe and the metal pipe, ensuring that the ultrasonic waves can be successfully transmitted to the material being tested. However, if the coupling agent is not coated evenly, the ultrasonic waves will be scattered or attenuated during transmission, thereby reducing the sensitivity and accuracy of the flaw detection. Especially when performing circumferential inspection on the pipe, uneven coating of the coupling agent is more likely to cause blind spots or false alarms, resulting in inaccurate detection.

[0038] Therefore, this invention addresses the aforementioned problems by providing a corresponding structure. Firstly, the pipe moves via a rotating wheel 2 on one side of the machine body 1. Simultaneously, a cleaning assembly cleans impurities from the surface of the metal pipe. When the pipe is being inspected for flaws, it is fed through the inspection holes. At this time, the built-in motor of the machine body 1 is activated, driving the reciprocating screw 4 in the cleaning assembly to rotate. This causes the reciprocating screw 4 to drive the sliding ring 41 to slide on the circumferential surface. The cleaning roller 45 on one side of the sliding ring 41 is passively rotated, making close contact with and cleaning impurities from the pipe surface. Simultaneously, the storage tank 51 in the spray assembly contains neutral cleaning agent. When the pusher on the sliding ring 41 slides... When ring 41 moves to storage box 51, the pusher releases the seal, allowing the cleaning agent to be sprayed out to clean the oil stains on the pipe surface. After cleaning, the coating rollers 47 in the coating assembly start working. They rotate and evenly coat the coupling agent on the surface of the metal pipe, ensuring a uniform and consistent coating effect, which improves the efficiency and quality of metal pipe surface treatment. The cleaning roller 45 ensures that impurities on the pipe surface are thoroughly cleaned, while the use of neutral cleaning agent effectively removes stubborn stains such as oil. In addition, the uniform coating work of the coating rollers 47 ensures the uniform distribution of the coupling agent on the pipe surface, improving the effect of subsequent processing or use.

[0039] like Figure 4 As shown, the cleaning assembly in this embodiment also includes a fixed motor 42 fixed inside the sliding ring 41. A fixed gear 43 is fixedly connected to the output end of the fixed motor 42. The fixed gear 43 meshes with a gear ring 44. The gear ring 44 is rotatably disposed inside the sliding ring 41. Several cleaning rollers 45 are rotatably disposed on one side of the gear ring 44.

[0040] Specifically, when the reciprocating screw 4 is started by the built-in motor of the machine body 1, the reciprocating screw 4 drives the sliding ring 41 to slide. The sliding of the sliding ring 41 drives several cleaning rollers 45 that are rotatably set on one side of the sliding ring 41 to work. At the same time as the sliding ring 41 slides, the fixed motor 42 is started. The rotation of the fixed motor 42 drives the fixed gear 43 to rotate. The rotation of the fixed gear 43 drives the gear ring 44 that meshes with it to rotate. The rotation of the gear ring 44 can drive several cleaning rollers 45 that are rotatably connected on one side of it, so that the cleaning rollers 45 can move axially along the metal pipe and rotate around the metal pipe. In addition, several coating rollers 47 are distributed in a circumferential array on one side of the gear ring 44, and each coating roller 47 is rotatably set on one side of the gear ring 44. It can come into contact with the metal pipe while the gear ring 44 is rotating, and rotate under the action of friction to uniformly coat the coupling agent.

[0041] The built-in motor drives the reciprocating screw 4, which not only enables the sliding ring 41 to slide, but also drives the axial movement and rotation of the cleaning roller 45 around the pipe. This composite motion mode enhances the cleaning effect and ensures that impurities on the surface of the metal pipe are thoroughly removed. At the same time, the linkage between the fixed motor 42, the gear ring 44, the cleaning roller 45 and the coating roller 47 allows the coating roller 47 to contact the pipe and rotate when the gear ring 44 rotates, so as to evenly coat the coupling agent without the need for an additional power source, thus improving energy utilization efficiency.

[0042] like Figure 4 As shown, the spray assembly in this embodiment includes a base plate 5 fixed to one side of the body 1. A storage box 51 is fixed to the upper surface of the base plate 5. The storage box 51 stores a neutral detergent. The sealing component includes a top plate 55 slidably disposed in the storage box 51. Two springs 56 are fixed to one side of the top plate 55. The ends of the two springs 56 away from the top plate 55 are fixed to the storage box 51. The pushing component includes an insert plate 53 fixed to the upper surface of the sliding ring 41. The insert plate 53 moves with the movement of the sliding ring 41. An "L"-shaped connecting hole 57 is opened inside the insert plate 53.

[0043] Specifically, as the insert plate 53 moves with the sliding ring 41, it pushes the top plate 55, pushing the top plate 55 out of the storage box 51. At this time, the "L"-shaped connecting hole 57 on the surface of the insert plate 53 is aligned with the hole inside the storage box 51. Then, the neutral cleaning agent in the storage box 51 is sprayed out from several spray pipes 52 fixed to the lower surface of the bottom plate 5 under pressure, and the surface of the metal pipe is sprayed with neutral cleaning agent. Then, the cleaning roller 45 performs the cleaning work.

[0044] The insert plate 53 moves with the sliding ring 41 to push the top plate 55, precisely controlling the release of neutral detergent and ensuring that the detergent is sprayed onto the surface of the metal pipe at the appropriate position. Then the cleaning roller 45 cleans in time, effectively removing stains. This achieves efficient use of detergent and seamless connection of the cleaning process, improving the efficiency and effectiveness of the overall cleaning operation.

[0045] like Figure 4 As shown, in this embodiment, two sets of spray components are symmetrically arranged on both sides of the sliding ring 41. One set of spray components is used to spray neutral cleaning agent, and the other set of spray components is used to spray coupling agent. The storage box 51 corresponding to the coupling agent is fixed to one side of the body 1. The lower surface of the storage box 51 is provided with corresponding spray holes 54. The insert plate for storing the coupling agent storage box moves within a fixed cavity opened on one side of the body.

[0046] Specifically, two sets of spray components symmetrically arranged on both sides of the sliding ring 41 are responsible for spraying neutral cleaning agent and coupling agent, respectively. As the sliding ring 41 moves, the storage tank 51 of the corresponding spray component sprays neutral cleaning agent or coupling agent onto the surface of the metal pipe as needed through the spray holes 54 on its lower surface. The neutral cleaning agent is used for preliminary cleaning to remove stains from the surface of the pipe; while the coupling agent is applied after cleaning to prepare for subsequent flaw detection. This achieves orderly spraying of cleaning agent and coupling agent, which not only ensures the cleaning effect but also ensures the uniform coating of coupling agent, improves work efficiency and quality, and avoids waste of chemicals.

[0047] Example 2: Figures 1 to 7 As shown in the first embodiment, another embodiment of the present invention is as follows: the circumferential surface of the gear ring 44 is fixedly connected to the limiting ring 46, the gear ring 44 is rotatably disposed on the inner wall of the sliding ring 41 through the limiting ring 46, the side of the sliding ring 41 is fixedly connected to the limiting plate 48, the side of the machine body 1 is fixedly connected to the limiting guide rail 49, and the sliding ring 41 slides along the limiting guide rail 49 through the limiting plate 48.

[0048] Specifically, the gear ring 44 is stably rotatably mounted on the inner wall of the sliding ring 41 by a limiting ring 46 fixed to its circumferential surface, ensuring the stability and accuracy of the gear ring 44 during rotation. At the same time, the limiting plate 48 fixed to one side of the sliding ring 41 slides along the limiting guide rail 49 set on one side of the machine body 1, providing clear guidance for the movement of the sliding ring 41 and ensuring the smooth movement of the sliding ring 41 on the machine body 1. This not only improves the stability and accuracy of the movement of the sliding ring 41 and the gear ring 44, but also ensures the accuracy of the sliding ring 41 during movement by the cooperation of the limiting guide rail 49 and the limiting plate 48, thus extending the service life of the equipment.

[0049] like Figure 1As shown, in this embodiment, several support plates 3 are provided on both sides of the machine body 1. Each support plate 3 has a support groove 31 on its surface. The support groove 31 is used to place metal pipes. A feeding plate 33 is provided on the upper surface of one support plate 3, and an arc plate 32 is rotatably provided on the upper surface of the other support plate 3. The arc plate 32 is used to feed unqualified metal pipes after flaw detection.

[0050] Specifically, support plates 3 are set on both sides of the machine body 1. The support grooves 31 on the support plates 3 are used to securely place the metal pipes for subsequent processing. The feeding plate 33 is set on one side of the support plate 3 to facilitate feeding the metal pipes to be processed into the equipment. The rotating arc plate 32 on the unloading side support plate 3 is used to smoothly discharge the metal pipes that fail the flaw detection, avoiding affecting the normal production process. This not only improves the automation level of metal pipe processing, but also ensures the smoothness of the production line. The design of the support grooves 31 stabilizes the pipes and avoids displacement during the processing. The cooperation between the feeding plate 33 and the arc plate 32 enables the rapid loading and unloading of pipes, improving the overall processing efficiency.

[0051] Working principle: First, the pipe moves via a rotating wheel 2 on one side of the machine body 1. Simultaneously, a cleaning component cleans impurities from the surface of the metal pipe. When the pipe is being inspected for flaws, it is fed along the inspection holes. At this time, the built-in motor of the machine body 1 is activated, driving the reciprocating screw 4 in the cleaning component to rotate. After the reciprocating screw 4 is started by the built-in motor of the machine body 1, it drives the sliding ring 41 to slide. The sliding of the sliding ring 41 causes several cleaning rollers 45, which are rotated on one side of the sliding ring 41, to work. Simultaneously, the sliding ring 41 starts the fixed motor 42, and the rotation of the fixed motor 42 drives... The fixed gear 43 rotates, which drives the gear ring 44 meshing with it to rotate. The rotation of the gear ring 44 drives several cleaning rollers 45 rotatably connected to one side of it, so that the cleaning rollers 45 can move axially along the metal pipe and rotate around the metal pipe. In addition, several coating rollers 47 are arranged in a circumferential array on one side of the gear ring 44, and each coating roller 47 is rotatably set on one side of the gear ring 44. It can come into contact with the metal pipe while the gear ring 44 is rotating, and rotate under the action of friction to uniformly coat the coupling agent.

[0052] The built-in motor drives the reciprocating screw 4, which not only enables the sliding ring 41 to slide, but also drives the axial movement and rotation of the cleaning roller 45 around the pipe. This composite motion mode enhances the cleaning effect and ensures that impurities on the surface of the metal pipe are thoroughly removed. At the same time, the linkage between the fixed motor 42, the gear ring 44, the cleaning roller 45 and the coating roller 47 allows the coating roller 47 to contact the pipe and rotate when the gear ring 44 rotates, so as to evenly coat the coupling agent without the need for an additional power source, thus improving energy utilization efficiency.

[0053] At the same time, as the insert plate 53 moves with the sliding ring 41, it pushes the top plate 55 and pushes the top plate 55 out of the storage box 51. At this time, the "L"-shaped connecting hole 57 on the surface of the insert plate 53 is aligned with the hole inside the storage box 51. Then, the neutral cleaning agent in the storage box 51 is sprayed out from several spray pipes 52 fixed to the lower surface of the bottom plate 5 under pressure to spray the surface of the metal pipe with neutral cleaning agent. Then, the cleaning roller 45 performs the cleaning work.

[0054] The insert plate 53 moves with the sliding ring 41 to push the top plate 55, precisely controlling the release of neutral detergent and ensuring that the detergent is sprayed onto the surface of the metal pipe at the appropriate position. Then the cleaning roller 45 cleans in time, effectively removing stains. This achieves efficient use of detergent and seamless connection of the cleaning process, improving the efficiency and effectiveness of the overall cleaning operation.

[0055] After cleaning, the two sets of spray components symmetrically arranged on both sides of the sliding ring 41 are responsible for spraying neutral cleaning agent and coupling agent respectively. As the sliding ring 41 moves, the storage tank 51 of the corresponding spray component sprays neutral cleaning agent or coupling agent onto the surface of the metal pipe as needed through the spray hole 54 on its lower surface. The neutral cleaning agent is used for preliminary cleaning to remove stains from the surface of the pipe; while the coupling agent is applied after cleaning to prepare for subsequent flaw detection. This achieves orderly spraying of cleaning agent and coupling agent, which not only ensures the cleaning effect but also ensures the uniform coating of coupling agent, improves work efficiency and quality, and avoids waste of chemicals.

[0056] Finally, the coating rollers 47 in the coating assembly begin to work. They rotate and evenly apply the coupling agent to the surface of the metal pipe, ensuring a uniform and consistent coating effect, which improves the efficiency and quality of the surface treatment of the metal pipe. The cleaning rollers 45 can ensure that impurities on the pipe surface are thoroughly cleaned, while the use of neutral detergent effectively removes stubborn stains such as oil. In addition, the uniform coating work of the coating rollers 47 ensures that the coupling agent is evenly distributed on the pipe surface, which improves the effect of subsequent processing or use.

[0057] Additionally, support plates 3 are installed on both sides of the machine body 1. The support grooves 31 on the support plates 3 are used to securely place the metal pipes for subsequent processing. The feeding plate 33 is set on one side of the support plate 3 to facilitate feeding the metal pipes to be processed into the equipment. The rotating arc plate 32 on the unloading side support plate 3 is used to smoothly discharge the metal pipes that fail the flaw detection, avoiding affecting the normal production process. This not only improves the automation level of metal pipe processing but also ensures the smoothness of the production line. The design of the support grooves 31 stabilizes the pipes and prevents displacement during processing. The cooperation between the feeding plate 33 and the arc plate 32 enables rapid loading and unloading of pipes, improving the overall processing efficiency.

[0058] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic flaw detection device for pipe flaw detection, comprising a body (1), wherein a plurality of rotating wheels (2) are rotatably arranged on one side of the body (1), characterized in that: A cleaning assembly is provided on one side of the machine body (1). The cleaning assembly includes a reciprocating screw (4) rotatably disposed on one side of the machine body (1). A sliding ring (41) is slidably connected to the circumferential surface of the reciprocating screw (4). Several cleaning rollers (45) are rotatably disposed on one side of the sliding ring (41). The cleaning rollers (45) are used to clean impurities on the surface of the metal pipe. A spray assembly is also provided on one side of the body (1). The spray assembly includes a storage box (51) fixed to one side of the body (1). A sealing element is provided inside the storage box (51). A pusher is provided on the upper surface of the sliding ring (41). The pusher is used to release the seal of the sealing element and release the neutral detergent in the storage box (51) to clean the oil stains on the surface of the metal pipe. A coating assembly is also provided on one side of the sliding ring (41). The coating assembly includes several coating rollers (47) rotatably disposed on one side of the sliding ring (41). The several coating rollers (47) are used for uniform coating of the metal pipe surface after spraying coupling agent. The cleaning assembly also includes a fixed motor (42) fixed inside the sliding ring (41), the output end of the fixed motor (42) is fixedly connected to a fixed gear (43), the fixed gear (43) meshes with a gear ring (44), the gear ring (44) is rotatably disposed inside the sliding ring (41), and a plurality of cleaning rollers (45) are rotatably disposed on one side of the gear ring (44); The spray assembly includes a base plate (5) fixed to one side of the body (1), a storage box (51) fixed to the upper surface of the base plate (5), the storage box (51) stores a neutral detergent, and the seal includes a top plate (55) slidably disposed in the storage box (51), two springs (56) fixed to one side of the top plate (55), and the ends of the two springs (56) away from the top plate (55) are fixed to the storage box (51).

2. The ultrasonic flaw detection equipment for pipe flaw detection according to claim 1, characterized in that: When the reciprocating screw (4) is started by the built-in motor of the machine body (1), the reciprocating screw (4) drives the sliding ring (41) to slide. The sliding of the sliding ring (41) drives several cleaning rollers (45) that are rotated on one side of the sliding ring (41) to work. At the same time as the sliding ring (41) slides, the fixed motor (42) is started. The rotation of the fixed motor (42) drives the fixed gear (43) to rotate. The rotation of the fixed gear (43) drives the gear ring (44) that meshes with it to rotate. The rotation of the gear ring (44) can drive several cleaning rollers (45) that are rotatably connected to one side of it, so that the cleaning rollers (45) can move axially along the metal pipe and rotate around the metal pipe.

3. The ultrasonic flaw detection equipment for pipe flaw detection according to claim 2, characterized in that: Several coating rollers (47) are arranged in a circumferential array on one side of the gear ring (44), and each coating roller (47) is rotatably set on one side of the gear ring (44). It can come into contact with the metal tube while the gear ring (44) rotates, and rotate under the action of friction to uniformly coat the coupling agent.

4. The ultrasonic flaw detection equipment for pipe flaw detection according to claim 1, characterized in that: The pusher includes an insert plate (53) fixed to the upper surface of the sliding ring (41). The insert plate (53) moves with the sliding ring (41). An "L"-shaped connecting hole (57) is provided inside the insert plate (53).

5. An ultrasonic flaw detection device for pipe flaw detection according to claim 4, characterized in that: As the insert plate (53) moves with the sliding ring (41), it pushes the top plate (55) and pushes the top plate (55) out of the storage box (51). At this time, the "L"-shaped connecting hole (57) on the surface of the insert plate (53) is aligned with the hole inside the storage box (51). Then, the neutral cleaning agent in the storage box (51) is sprayed out from several nozzles (52) fixed to the lower surface of the bottom plate (5) under pressure to spray the surface of the metal pipe with neutral cleaning agent. Then, the cleaning roller (45) performs the cleaning work.

6. An ultrasonic flaw detection device for pipe flaw detection according to claim 5, characterized in that: Two sets of spray components are symmetrically arranged on both sides of the sliding ring (41). One set of spray components is used to spray neutral cleaning agent, and the other set of spray components is used to spray coupling agent. The storage box (51) corresponding to the coupling agent is fixed to one side of the body (1). The lower surface of the storage box (51) is provided with corresponding spray holes (54). The insert plate (53) of the storage box (51) for storing coupling agent moves within a fixed cavity opened on one side of the body.

7. An ultrasonic flaw detection device for pipe flaw detection according to claim 3, characterized in that: The circumferential surface of the gear ring (44) is fixedly connected to the limiting ring (46). The gear ring (44) is rotatably disposed on the inner wall of the sliding ring (41) through the limiting ring (46). A limiting plate (48) is fixedly connected to one side of the sliding ring (41), and a limiting guide rail (49) is fixedly connected to one side of the body (1). The sliding ring (41) slides along the limiting guide rail (49) through the limiting plate (48).

8. An ultrasonic flaw detection device for pipe flaw detection according to claim 1, characterized in that: The machine body (1) has several support plates (3) on both sides. Each support plate (3) has a support groove (31) on its surface. The support groove (31) is used to place metal pipes. One support plate (33) is provided with a feeding plate (33) on its upper surface, and an arc plate (32) is rotatably provided on the upper surface of the other support plate (3). The arc plate (32) is used to feed unqualified metal pipes after flaw detection.

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