Ultrasonic flaw detection probe auxiliary device

By designing an ultrasonic flaw detection probe auxiliary device including a sleeve, a measurement component and an abutment component, the problem of insufficient adaptability and stability of the probe in ultrasonic flaw detection in seamless steel pipes is solved, and the accuracy and adaptability of flaw detection are improved.

CN222618563UActive Publication Date: 2025-03-14TIANJIN STEEL PIPE MFG CO LTD
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Patent Information

Application Number
CN202420699873.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-14
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

The existing ultrasonic flaw detection method of seamless steel pipes cannot achieve automatic full-length longitudinal flaw detection of steel pipes, resulting in defects within 10mm of the end of the pipe when the pipe is flawed, which is prone to missed detection.

Method used

An ultrasonic flaw detection probe auxiliary device is designed, including a removable housing, a measuring assembly and abutment assembly. Through the casing slot and the scale mark of the measuring assembly, probes of different sizes can be adapted, and the stability of the probe during measurement is ensured by the abutment plate and drive plate of the assembly.

Benefits of technology

The device can be adapted according to probes of different sizes, which increases adaptability, and reduces the possibility of defect missed detection through stability measures, and improves the accuracy of flaw detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of auxiliary devices, in particular to an ultrasonic flaw detection probe auxiliary device. The device comprises a sleeve shell detachably arranged on a probe, a clamping groove is formed in the rear side of the sleeve shell, a measuring assembly is arranged at the top of the sleeve shell, and an abutting assembly is movably arranged on the side, away from the clamping groove, of the sleeve shell. By arranging the measuring assembly, the width of the probe can be measured according to probes of different sizes, and then the position of the abutting plate is adjusted, so that the device can adapt to different probes, and the adaptability is improved; the threaded cylinder is arranged on the sleeve shell to be matched with the bolt, so that the sleeve can be fixed on the probe and is prevented from falling off during use, and the accuracy of the measuring structure is ensured; by arranging the abutting assembly, the stability when the probe is placed on the steel pipe for measurement can be ensured by matching the downward pressure during measurement with the pressure applied to the left direction or the right direction by the abutting plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices, in particular to an auxiliary device for an ultrasonic flaw detection probe. Background Art

[0002] Ultrasonic flaw detection of seamless steel pipes is a very important detection method in the steel pipe manufacturing process. In the existing technology, it is not possible to realize automatic full-length longitudinal flaw detection of steel pipes. Usually, the pipe body and the pipe end are tested separately. Portable flaw detection on the pipe end is currently a commonly used detection method. Based on standard requirements, longitudinal defect detection of steel pipes should be carried out in both clockwise and counterclockwise directions.

[0003] However, in practice, it has been found that the existing longitudinal flaw detection methods for pipe ends are prone to miss detection of defects within 10 mm from the end face due to problems with chip size, probe wear and focusing, etc. It is usually required to remove half of the chip from the pipe end for scanning, but in actual operation, it is difficult to control the amount of half the probe when observing the waveform display with the human eye. Utility Model Content

[0004] The utility model aims to provide an ultrasonic flaw detection probe auxiliary device to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution, which includes a cover shell detachably arranged on the probe, a slot is opened on the rear side of the cover shell, a measuring component is arranged on the top of the cover shell, and an abutment component is movably arranged on the side of the cover shell away from the slot.

[0006] As a preferred embodiment of the utility model, a threaded barrel is provided on the left side of the sleeve, a bolt is provided on the inner thread of the threaded barrel, a slide groove 1 is provided on the top of the front and rear side walls of the sleeve, a scale mark is provided on the outer side of the front wall of the sleeve, a pair of slide grooves 2 are provided below the scale mark, connecting plates are symmetrically provided on both sides of the slide grooves 2, the connecting plates are provided on the front wall of the sleeve, a screw is movably provided between the two connecting plates, and a hexagonal hole is provided at one end of the screw.

[0007] As a preferred embodiment of the utility model, the abutment assembly includes a driving plate, a threaded hole is opened on the driving plate, the driving plate is set on the screw through the threaded hole, a pair of sliders are set on one side of the driving plate, the two sliders are respectively set in two slide grooves, and a resist plate is set at the bottom of the driving plate.

[0008] As a preferred embodiment of the utility model, the measuring assembly includes a pair of first connecting blocks, the first connecting blocks are arranged at the top of the housing, and are respectively located on one side of the two slide grooves away from the threaded barrel, a spring is arranged on one side of the first connecting block, a second connecting block is arranged at one end of the spring away from the first connecting block, and a clamping plate is arranged between the two second connecting blocks.

[0009] As a preferred embodiment of the utility model, a "U"-shaped block is provided at the bottom of each of the two second connecting blocks, a pulley is movably provided in the "U"-shaped block, and the pulley is movably provided in the first slide groove.

[0010] As a preferred embodiment of the utility model, an arrow one is arranged on the top of the driving plate, and an arrow two is also arranged on the bottom of the second connecting block close to the scale mark.

[0011] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0012] 1. The utility model can measure the width of probes of different sizes by setting a measuring component, and then adjust the position of the abutment plate, so that the device can adapt to different probes, thereby increasing adaptability.

[0013] 2. The utility model can fix the sleeve on the probe by arranging a threaded barrel and a bolt on the sleeve shell, thereby preventing the sleeve from falling off during use and ensuring the accuracy of the measurement structure.

[0014] 3. The utility model provides a resisting assembly, and utilizes the downward pressure during measurement in conjunction with the pressure applied in the left or right directions by the resisting plate, so as to ensure the stability of the probe when placed on the steel pipe for measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model when it is installed on the probe;

[0016] Figure 2 It is a schematic diagram of the overall back structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the overall front structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the resisting assembly of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the measuring component of the utility model.

[0020] Figure numerals: housing 1, threaded barrel 10, bolt 11, slot 12, scale mark 13, slide slot one 14, slide slot two 15, connecting plate 16, screw 17, hexagonal hole 18, abutment assembly 2, drive plate 20, slider 21, threaded hole 22, arrow one 23, abutment plate 24, measuring assembly 3, first connecting block 30, spring 31, clamping plate 32, "U"-shaped block 33, pulley 34, arrow two 35, second connecting block 36, probe 4. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] like Figure 1 As shown, the utility model proposes an ultrasonic flaw detection probe auxiliary device, which includes a shell 1 detachably arranged on the probe 4, a slot 12 is opened on the rear side of the shell 1, a measuring component 3 is arranged on the top of the shell 1, and an abutment component 2 is movably arranged on the side of the shell 1 away from the slot 12.

[0023] like Figure 2-Figure 3 As shown, a threaded barrel 10 is provided on the left side of the casing 1, and a bolt 11 is provided on the inner thread of the threaded barrel 10, a slide groove 14 is provided on the top of the front and rear side walls of the casing 1, a scale mark 13 is provided on the outer side of the front wall of the casing 1, and a pair of slide grooves 15 are provided below the scale mark 13, and connecting plates 16 are symmetrically provided on both sides of the slide grooves 15, and the connecting plates 16 are provided on the front wall of the casing 1, and a screw rod 17 is movably provided between the two connecting plates 16, and a hexagonal hole 18 is provided at one end of the screw rod 17.

[0024] like Figure 4 As shown, in the abutment assembly 2, a threaded hole 22 is opened on the driving plate 20, and the driving plate 20 is set on the screw 17 through the threaded hole 22. A pair of sliders 21 are set on one side of the driving plate 20, and the two sliders 21 are respectively set in two slide grooves 15. Abutment plate 24 is set at the bottom of the driving plate 20; an arrow 23 is set at the top of the driving plate 20.

[0025] like Figure 5 As shown, the measuring assembly 3 includes a pair of first connecting blocks 30, which are arranged on the top of the housing 1 and are respectively located on the side of the two slide grooves 14 away from the threaded barrel 10. A spring 31 is arranged on one side of the first connecting block 30, and a second connecting block 36 is arranged on the end of the spring 31 away from the first connecting block 30, and a clamping plate 32 is arranged between the two second connecting blocks 36; a "U"-shaped block 33 is arranged at the bottom of the two second connecting blocks 36, and a pulley 34 is movably arranged in the "U"-shaped block 33, and the pulley 34 is movably arranged in the slide groove 14; an arrow 2 35 is also arranged at the bottom of the second connecting block 36 close to the scale mark 13.

[0026] As an optimization solution of the present invention, by providing a pulley 34, it can be ensured that the card plate 32 is smoother when dragging and pulling back; by providing arrow one 23 and arrow two 35, the user can observe the size more directly.

[0027] When in use, first manually pull the card plate 32 to pull up the spring 31, then align the card slot 12 with the connecting line of the probe 4 to put the housing 1 on the probe 4, and then release the card plate 32 so that the card plate 32 is as shown in FIG. Figure 1 As shown, it is pressed against one side of the probe 4, and then the bolt 11 is tightened manually to hold the probe 4, and the housing 1 is fixed on the probe 4. Then, the data of the scale mark 13 pointed to by the bottom of the arrow 2 35 can be observed to know the width of the probe 4, and then the middle position of the probe 4 is calculated by dividing the width of the probe 4 by two, and then a hexagonal wrench is inserted into the hexagonal hole 18 to rotate the screw 17, and the drive plate 20 is adjusted. When the arrow 23 points to the middle value, it can be stopped, and then it is only necessary to press the plate 24 against the side of the steel pipe and then place the probe 4 on the steel pipe wall for measurement.

[0028] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An ultrasonic flaw detection probe auxiliary device, characterized in that: It comprises a cover (1) which is detachably arranged on a probe (4); a slot (12) is provided on the rear side of the cover (1); a measuring component (3) is provided on the top of the cover (1); and a resisting component (2) is movably provided on a side of the cover (1) away from the slot (12); A threaded barrel (10) is provided on the left side of the casing (1), and a bolt (11) is provided on the inner thread of the threaded barrel (10). A first slide groove (14) is provided on the top of the front and rear side walls of the casing (1). A scale mark (13) is provided on the outer side of the front wall of the casing (1). A pair of second slide grooves (15) is provided below the scale mark (13). Connecting plates (16) are symmetrically provided on both sides of the second slide groove (15). The connecting plates (16) are provided on the front wall of the casing (1). A screw rod (17) is movably provided between the two connecting plates (16), and one end of the screw rod (17) is provided with a hexagonal hole (18). The measuring assembly (3) comprises a pair of first connecting blocks (30), the first connecting blocks (30) being arranged at the top of the housing (1) and respectively located at a side of the two slide grooves (14) away from the threaded barrel (10), a spring (31) being arranged at one side of the first connecting block (30), a second connecting block (36) being arranged at an end of the spring (31) away from the first connecting block (30), and a clamping plate (32) being arranged between the two second connecting blocks (36).

2. The ultrasonic flaw detection probe auxiliary device according to claim 1, characterized in that: The abutment assembly (2) comprises a driving plate (20), a threaded hole (22) is formed on the driving plate (20), the driving plate (20) is arranged on the screw rod (17) through the threaded hole (22), a pair of sliders (21) are arranged on one side of the driving plate (20), the two sliders (21) are respectively arranged in two slide grooves (15), and an abutment plate (24) is arranged at the bottom of the driving plate (20).

3. The ultrasonic flaw detection probe auxiliary device according to claim 2, characterized in that: A "U"-shaped block (33) is disposed at the bottom of each of the two second connection blocks (36), a pulley (34) is movably disposed in the "U"-shaped block (33), and the pulley (34) is movably disposed in the first slide groove (14).

4. The ultrasonic flaw detection probe auxiliary device according to claim 3 is characterized in that: The top of the driving plate (20) is provided with an arrow one (23), and the bottom of the second connecting block (36) close to the scale mark (13) is also provided with an arrow two (35).