Portable ultrasonic test block and testing device

Abstract

The invention provides a portable ultrasonic test block and a test device, the portable ultrasonic test block comprises a plurality of sub test blocks, and all the sub test blocks are integrally arranged. According to the technical scheme, all the sub test blocks are integrally arranged; the device is simple in structure, convenient to carry and use and wide in detection coverage, reduces cost and working intensity, and improves detection sensitivity, accuracy and detection efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil and gas conveying steel pipe processing, in particular to a portable ultrasonic test block and testing device. BACKGROUND

[0002] The oil and gas conveying steel pipe (spiral seam submerged arc welded steel pipe, straight seam submerged arc welded steel pipe, seamless steel pipe, HWF steel pipe) is a main component of the oil and gas conveying system, and manual layered ultrasonic detection is required in the range of the steel pipe end blind area (usually 200mm in length). At present, one set of test block must be equipped for detecting one specification of outer diameter and corresponding wall thickness of steel pipe, and multiple sets of test blocks must be made for detecting multiple specifications of outer diameter and different wall thickness of steel pipe. According to the existing industry standard, at least three different depths of 1 / 4t, 1 / 2t and 3 / 4t (different depth flat bottom holes are made according to the industry standard requirements, wherein t is the wall thickness) of flat bottom holes are required for each set of test block. No matter whether the factory or the construction detection site detects, makes or carries multiple sets of test blocks, the test blocks have the problems of large quantity, large volume, clumsiness, inconvenience in carrying, small coverage, inconvenience in use, waste of materials, high detection cost, high labor intensity. SUMMARY

[0003] The present application provides a portable ultrasonic test block and testing device to reduce the cost and work intensity and improve the detection sensitivity and detection efficiency.

[0004] In a first aspect, a portable ultrasonic test block is provided, comprising: a plurality of sub-test blocks, wherein,

[0005] All the sub-test blocks are integrally arranged.

[0006] In the above technical solution, all the sub-test blocks are integrally arranged; the carrying is convenient, the use is convenient, the detection coverage is wide, the cost and work intensity are reduced, and the detection sensitivity, accuracy and detection efficiency are improved.

[0007] In a specific implementable embodiment, all the sub-test blocks are integrally arranged in sequence side by side from top to bottom, and the thickness of each sub-test block decreases in sequence.

[0008] In a specific implementable embodiment, the sub-test block is an arc-shaped test block, a flat bottom hole is arranged on the arc-shaped test block, and the central axis of the flat bottom hole is arranged perpendicularly to the arc surface of the arc-shaped test block.

[0009] In a specific implementable embodiment, the diameter accuracy of the flat bottom hole is ±0.03mm.

[0010] In a specific implementable embodiment, the surface roughness of the portable ultrasonic test block is not greater than 6.0μm.

[0011] In one specific implementation, the arc length of the portable ultrasonic test block is not less than 40 mm.

[0012] In one specific implementation, the width of the portable ultrasonic test block is not less than 40 mm.

[0013] In one specific implementation, the number of the flat-bottomed holes is multiple.

[0014] In one specific implementation, the portable ultrasonic test block is made of low carbon steel.

[0015] In a second aspect, a testing device is provided, comprising any of the portable ultrasonic test blocks.

[0016] In the above technical solution, all the sub-test blocks are integrally arranged, which is convenient to carry and use, has wide detection coverage, reduces cost and work intensity, and improves detection sensitivity, accuracy and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A structural schematic diagram (front view) of the portable ultrasonic test block provided by the embodiment of the present application;

[0018] Fig. 2 A structural schematic diagram (top view) of the portable ultrasonic test block provided by the embodiment of the present application;

[0019] Fig. 3 A structural schematic diagram (cross-sectional view) of the portable ultrasonic test block provided by the embodiment of the present application.

[0020] In the drawings, 1 represents a sub-test block, and 2 represents a flat-bottomed hole. DETAILED DESCRIPTION

[0021] The present application will be further described in detail by the drawings and embodiments. Through these descriptions, the features and advantages of the present application will become more apparent.

[0022] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations. Unless specifically indicated otherwise, the drawings shown in the Figures are not necessarily to scale.

[0023] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0024] In order to facilitate the understanding of the portable ultrasonic test block and test device provided in the embodiment of the present application, its application scenario is first explained. The portable ultrasonic test block and test device provided in the embodiment of the present application are used to reduce costs and work intensity, and improve detection sensitivity and detection efficiency. Petroleum and natural gas transmission steel pipes (spiral seam submerged arc welded steel pipes, straight seam submerged arc welded steel pipes, seamless steel pipes, HWF steel pipes) are the main components of the petroleum and natural gas transmission system. Manual layered ultrasonic flaw detection is required within the blind area of ​​the pipe end (usually 200mm in length). At present, in this industry, a set of test blocks must be equipped to detect a steel pipe with a certain outer diameter and corresponding wall thickness. To detect steel pipes with multiple outer diameters and different wall thicknesses, multiple sets of test blocks must be made. According to existing industry standards, each set of test blocks needs to be made of at least 3 different depths of 1 / 4t, 1 / 2t, 3 / 4t (flat-bottom holes of different depths are made according to industry standards, where t is the wall thickness). Flat-bottomed holes. Whether fabricating or carrying multiple test blocks in a factory or on-site for construction inspection, the large number of test blocks can be burdensome, bulky, heavy, difficult to carry, and limited in coverage. This can lead to material waste, high testing costs, and high labor intensity. To address this issue, the present invention provides a portable ultrasonic test block and testing device to reduce costs and workload, while improving detection sensitivity and efficiency. This is described in detail below using specific examples with accompanying drawings.

[0025] refer to Figs. 1-3 , Fig. 1 A schematic diagram of the structure of a portable ultrasonic test block provided in an embodiment of the present application (front view); Fig. 2 A schematic diagram (top view) of the structure of a portable ultrasonic test block provided in an embodiment of the present application; Fig. 3 This is a structural schematic diagram (cross-sectional view) of a portable ultrasonic test block provided in an embodiment of the present application.

[0026] exist Figs. 1-3 In the embodiment of the present application, a portable ultrasonic test block is provided, comprising: a plurality of sub-test blocks 1, wherein:

[0027] All the sub-test blocks are arranged in an integrated manner.

[0028] In the above technical solution, all the sub-test blocks are integrated into one, which is convenient to carry and use, has a wide detection coverage, reduces costs and work intensity, and improves detection sensitivity, accuracy and detection efficiency.

[0029] In a specific possible implementation scheme, all the sub-test blocks are integrally arranged side by side from top to bottom, and the thickness of each sub-test block decreases successively.

[0030] In a specific embodiment, the sub-test block is an arc-shaped test block, and a flat-bottomed hole 2 is provided on the arc-shaped test block. The central axis of the flat-bottomed hole is perpendicular to the arc-shaped surface of the arc-shaped test block.

[0031] Specifically, the portable ultrasonic test block is cut from a steel pipe with a certain large wall thickness pipe diameter, and the commonly used (or detected) specification wall thickness is optimized and processed on the same test block, and the user can select the corresponding series test block according to the product itself. The size of the test block is optimized, including thickness, width (arc length), length, flat bottom hole (1 / 4t, 1 / 2t, 3 / 4t, different depth flat bottom hole is made according to different project standard requirements), test block diameter and other parameters. Therefore, a set of series test blocks can be applied to layered ultrasonic flaw detection of multiple different wall thicknesses with the same outer diameter.

[0032] In a specific implementable embodiment, the diameter accuracy of the flat bottom hole is ±0.03mm.

[0033] In a specific implementable embodiment, the surface roughness of the portable ultrasonic test block is not greater than 6.0μm. Preferably, the surface roughness of the portable ultrasonic test block is 1.0μm, 1.5μm, 2.0μm, 2.5μm, 3.0μm, 3.5μm, 4.0μm, 4.5μm, 5.0μm, 5.5μm, 6.0μm. In this embodiment, the surface roughness of the portable ultrasonic test block is 3.5μm.

[0034] In a specific implementable embodiment, the arc length of the portable ultrasonic test block is not less than 40mm. Preferably, the arc length of the portable ultrasonic test block is 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm, 55mm, 56mm, 57mm, 58mm, 59mm, 60mm, 61mm, 62mm, 63mm, 64mm, 65mm, 66mm, 67mm, 68mm, 69mm, 70mm, 71mm, 72mm, 73mm, 74mm, 75mm, 76mm, 77mm, 78mm, 79mm, 80mm, 81mm, 82mm, 83mm, 84mm, 85mm, 86mm, 87mm, 88mm, 89mm, 90mm, 99mm, 92mm, 93mm, 94mm, 95mm, 96mm, 97mm, 98mm, 99mm, 100mm. In this embodiment, the arc length of the portable ultrasonic test block is 50mm.

[0035] In one embodiment, the portable ultrasonic test block has a width of at least 40 mm. Preferably, the portable ultrasonic test block has a width of 40 mm, 41 mm, 42 mm, 43 mm, 44 mm, 45 mm, 46 mm, 47 mm, 48 mm, 49 mm, 50 mm, 51 mm, 52 mm, 53 mm, 54 mm, 55 mm, 56 mm, 57 mm, 58 mm, 59 mm, 60 mm, 61 mm, 62 mm, 63 mm, 64 mm, 65 mm, 66 mm, 67 mm, 68 mm, 69 mm, 70 mm, 71 mm, 72 mm, 73 mm, 74 mm, 75 mm, 76 mm, 77 mm, 78 mm, 79 mm, 80 mm, 81 mm, 82 mm, 83 mm, 84 mm, 85 mm, 86 mm, 87 mm, 88 mm, 89 mm, 90 mm, 99 mm, 92 mm, 93 mm, 94 mm, 95 mm, 96 mm, 97 mm, 98 mm, 99 mm, or 100 mm. In one embodiment, the portable ultrasonic test block has a width of 55 mm.

[0036] In one embodiment, the number of flat-bottomed holes is a plurality (two or more), such as two, three, or the like.

[0037] In one embodiment, the portable ultrasonic test block is made of low carbon steel.

[0038] In particular, The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes

[0039] The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes The flat-bottomed hole portable layered ultrasonic test block mainly includes

[0040] In a specific embodiment, The reliability of the test results of the portable layered ultrasonic testing series of flat-bottom holes is equivalent to that of existing test blocks. This set of test blocks can replace multiple sets of test blocks used in existing testing. It is easy to carry, has a wide detection coverage, and has a simple structure and is easy to process. Due to its portability and practicality, it greatly improves the detection sensitivity (accuracy) and detection efficiency, and reduces work intensity.

[0041] Ten types of steel pipes commonly used in on-site testing:

[0042] The existing technology requires the production of 10 sets of test blocks, weighing approximately 150-200 kg. With the test blocks of the present invention, only one set is needed, replacing 10 sets. This facilitates use, reduces costs and workload, and improves detection sensitivity (accuracy) and efficiency. Table 1 shows a comparison of commonly used outer diameters and wall thicknesses for oil and gas transmission steel pipes (API 5L 46 Edition). This table lists only some commonly used outer diameters and wall thicknesses for steel pipes; other outer diameters and wall thicknesses can be selected based on specific industry requirements.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] (1) It is easy to carry and effectively reduces labor intensity.

[0045] (2) Easy to maintain and requires little storage space.

[0046] (3) Improved detection sensitivity (accuracy) and detection efficiency.

[0047] (4) Reduced costs.

[0048] Its advanced feature is that one test block covers steel pipes of all specifications and wall thicknesses, which can facilitate sensitivity calibration and comparison verification between different wall thicknesses, thereby improving detection accuracy.

[0049] In summary, compared with the oil and gas transmission steel pipe detection method, the present application has the advantages of high integration, high sensitivity, and wide detection range.

[0050]

[0051] Table 1 (API 5L 46 Edition of Line Pipe Specification) Commonly Used Outer Diameters and Wall Thicknesses of Oil and Gas Transmission Steel Pipes (mm)

[0052] In a second aspect, a testing device is provided, comprising the portable ultrasonic test block described in any one of the items.

[0053] In the above technical solution, all the sub-test blocks are integrally arranged, which is convenient to carry and use, has wide detection coverage, reduces cost and work intensity, and improves detection sensitivity, accuracy and efficiency.

[0054] Those skilled in the art understand that the present application can be implemented as a system, a method or a computer program product.

[0055] Therefore, the present disclosure can be embodied in the form of a complete hardware, a complete software (including firmware, resident software, microcode, etc.), or a combination of hardware and software, which is generally referred to as "circuitry", "module" or "system" herein. In addition, in some embodiments, the present application can also be embodied in the form of a computer program product in one or more computer readable media, which contains computer readable program codes.

[0056] Any combination of one or more computer readable medium can be employed. The computer readable medium can be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or apparatus, or any suitable combination of the above. More specific examples (a non-exhaustive list) of the computer readable storage medium include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this document, the computer readable storage medium can be any tangible medium that contains or stores a program that can be used by or in connection with an instruction execution system, apparatus, or device.

[0057] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application. On this basis, various replacements and improvements can be made to the present application, and all of these fall within the protection scope of the present application.

Claims

1. A portable ultrasonic test block, characterized in that: include: Multiple sub-test blocks, among which, All the sub-test blocks are arranged in an integrated manner.

2. The portable ultrasonic test block according to claim 1, characterized in that: All the sub-test blocks are integrally arranged side by side from top to bottom, and the thickness of each sub-test block decreases in sequence.

3. The portable ultrasonic test block according to claim 2, characterized in that: The sub-test block is an arc-shaped test block, and a flat-bottom hole is provided on the arc-shaped test block. The central axis of the flat-bottom hole is perpendicular to the arc-shaped surface of the arc-shaped test block.

4. The portable ultrasonic test block according to claim 3, characterized in that: The diameter accuracy of the flat-bottom hole is ±0.03 mm.

5. The portable ultrasonic test block according to claim 4, characterized in that: The surface roughness of the portable ultrasonic test block is no greater than 6.0 μm.

6. The portable ultrasonic test block according to claim 5, characterized in that: The arc length of the portable ultrasonic test block is not less than 40 mm.

7. The portable ultrasonic test block according to claim 6, characterized in that: The width of the portable ultrasonic test block is not less than 40 mm.

8. The portable ultrasonic test block according to claim 7, characterized in that: There are multiple flat-bottom holes.

9. The portable ultrasonic test block according to any one of claims 1 to 8, characterized in that: The portable ultrasonic test block is made of low carbon steel.

10. A testing device, characterized in that: The invention comprises the portable ultrasonic test block according to any one of claims 1 to 9.

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