Ocean platform pressure pipeline magnetostriction guided wave detection device

Abstract

The utility model provides an ocean platform pressure pipeline magnetostriction guided wave detection device, and relates to the ocean platform ferromagnetic pipeline nondestructive testing technical field, the ocean platform pressure pipeline magnetostriction guided wave detection device comprises a fixed cylinder, the fixed cylinder is internally provided with a spacing groove, the spacing groove is internally slidably connected with an installation cylinder, the inner wall of the installation cylinder is fixedly provided with a magnetizer, and the magnetizer is fixedly connected with the installation cylinder. A magnet is installed in the magnetizer, a mounting plate is fixedly installed on the inner wall of the fixing cylinder, a limiting plate is fixedly installed on the inner wall of the mounting plate, and the position of the magnet can be adjusted through rotation of the mounting cylinder through cooperation of the mounting cylinder, the mounting plate, an inserting rod and other components; and when the magnet moves, the mounting cylinder slides in the mounting plate, auxiliary limiting can be performed on the mounting cylinder through the mounting plate, and the position of the mounting cylinder can be fixed through the insertion rod, so that the position of the magnet can be adjusted by the detection device, and the direction of the magnetic field can be further adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of detection devices, specifically a kind of ocean platform pressure pipeline magnetostrictive guided wave detection device, belong to the nondestructive testing technical field of ocean platform ferromagnetic pipeline. BACKGROUND

[0002] Ocean platform belongs to one of exploration equipment, is fixed on sea surface by multiple support platform as a whole, is a large engineering structure, can be used for the exploration and production of marine oil and gas activities, can help to develop deep-sea resources, is conducive to fully utilizing the resources of earth.

[0003] In the construction in ocean platform needs multiple pipeline laying and installation, by the connection of multiple pipeline can transport medium in different positions, for example, the defect detection of pipeline such as oil and natural gas using nondestructive testing industry, wherein commonly used detection method is magnetostrictive guided wave detection, permanent magnet is installed outside pipeline when using, magnetization device formed by permanent magnet can form a group of magnetic circuit with installation pipeline, by magnetization of pipeline can enhance the effect when detecting, but the position of permanent magnet is fixed after the above detection detection device is installed in pipeline, since permanent magnet cannot rotate, the direction of magnetic field formed between pipeline and permanent magnet cannot be changed at this time, need to contact the whole fixed before adjusting, cannot be dynamically adjusted, for this purpose, we provide a kind of ocean platform pressure pipeline magnetostrictive guided wave detection device to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides an ocean platform pressure pipeline magnetostrictive guided wave detection device to solve the above problems, and the specific technical scheme is as follows:

[0005] An ocean platform pressure pipeline magnetostrictive guided wave detection device, comprising a fixed cylinder, a limiting groove is formed in the inside of the fixed cylinder, a mounting cylinder is slidably connected in the inside of the limiting groove, a magnetizer is fixedly installed on the inner wall of the mounting cylinder, a magnet is installed in the inside of the magnetizer, an installation plate is fixedly installed on the inner wall of the fixed cylinder, a limiting plate is fixedly installed on the inner wall of the installation plate, and a plug rod is slidably connected in the inside of the fixed cylinder.

[0006] Preferably, the two sides of the fixed cylinder are respectively provided with a first connecting plate and a second connecting plate, the fixed cylinder, the first connecting plate and the second connecting plate are provided with multiple groups and are arranged in an array, and adjacent first connecting plates and second connecting plates are connected through fixed bolts.

[0007] Preferably, a positioning rod is fixedly installed on the inner wall of the fixed cylinder, the positioning rod is provided with multiple groups and is arranged in an array, and a handle is fixedly installed on the outer surface of the fixed cylinder.

[0008] Preferably, the two sides of the mounting cylinder are fixedly installed with a first fixed plate and a second fixed plate, a plurality of groups of the first fixed plate and the second fixed plate are arranged in a ring shape, adjacent first fixed plates and second fixed plates are connected in a sliding mode, and the adjacent first fixed plates and second fixed plates are connected through fixed bolts.

[0009] Preferably, the outer surfaces of the first fixed plate and the second fixed plate are connected in a sliding mode with the inner part of the mounting plate, and the outer surface of the limiting plate is connected in a sliding mode with the inner part of the first fixed plate.

[0010] Preferably, the outer surface of the insertion rod is connected in a sliding mode with the inner part of the first fixed plate and the mounting cylinder, and the other end of the insertion rod is fixedly installed with a baffle.

[0011] Preferably, the insertion rod is sleeved with a spring, one end of the spring is connected with the outer surface of the fixed cylinder, and the other end of the spring is connected with the outer surface of the baffle.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The ocean platform pressure pipeline magnetostrictive guided wave detection device can support the bottom of the magnet through the cooperation between the mounting cylinder, the mounting plate and the insertion rod, the mounting cylinder can slide in the inner part of the fixed cylinder, the position of the magnet can be adjusted through the rotation of the mounting cylinder, the azimuth of the magnet at each position can be changed, the mounting cylinder will slide in the inner part of the mounting plate when the magnet moves, the mounting cylinder can be assisted in limiting through the mounting plate, the stability of the mounting cylinder during rotation is ensured, the position of the mounting cylinder can be fixed through the insertion rod at this time, the position of the magnet can be further fixed, the adjustment of the magnetic field in different directions can be more comprehensive during the detection of the pipeline on the offshore platform, the adjustment of the position of the magnet by the detection device is realized, and the direction of the magnetic field can be further adjusted.

[0014] 2. The ocean platform pressure pipeline magnetostrictive guided wave detection device is provided with springs and positioning rods, the insertion rod can be pushed to move through the spring, the position of the mounting cylinder can be fixed automatically through the spring, the use is very convenient, the quick fixing is facilitated, the magnet and the pipeline can be separated through the positioning rod, at this time, a buffer space is left between the magnet and the pipeline, and the magnet can be adjusted without being hindered by the pipeline when the position of the magnet is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model

[0017] Figure 3 It is the internal schematic view of the fixed cylinder of the utility model;

[0018] Figure 4 It is the internal split schematic view of the fixed cylinder of the utility model;

[0019] Figure 5 It is the utility model Figure 4 It is the enlarged structural schematic view of B place in the middle;

[0020] Figure 6 It is the schematic view of the installation cylinder component of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, fixed cylinder; 2, limiting groove; 3, installation cylinder; 4, magnetizer; 5, magnet; 6, mounting plate; 7, limiting plate; 8, plug rod; 9, first connecting plate; 10, second connecting plate; 11, positioning rod; 12, handle; 13, No. 1 fixed plate; 14, No. 2 fixed plate; 15, baffle; 16, spring. DETAILED DESCRIPTION

[0022] The utility model will be further described with reference to the drawings.

[0023] Please refer to Figure 1 - Figure 6 A kind of ocean platform pressure pipeline magnetostrictive guided wave detection device, including fixed cylinder 1, handle 12 is fixedly installed on the outer surface of fixed cylinder 1, fixed cylinder 1 can be moved and disassembled by handle 12, can assist staff to use.

[0024] Limiting groove 2 is set in the inside of fixed cylinder 1, installation cylinder 3 is slidably connected in the inside of limiting groove 2, multiple fixed cylinder 1 and limiting groove 2 can form a ring structure, the position of installation cylinder 3 can be adjusted by sliding installation cylinder 3.

[0025] First connecting plate 9 and second connecting plate 10 are installed on the both sides of fixed cylinder 1 respectively, fixed cylinder 1, first connecting plate 9 and second connecting plate 10 are all provided with multiple groups and array arrangement, adjacent first connecting plate 9 and second connecting plate 10 are connected by fixed bolt, multiple fixed cylinder 1 can be connected and fixed by first connecting plate 9 and second connecting plate 10, when connecting, adjacent first connecting plate 9 and second connecting plate 10 are contacted, then adjacent first connecting plate 9 and second connecting plate 10 can be fixed by fixed bolt, the diameter of fixed cylinder 1 can be adjusted, it is convenient to adjust the diameter of fixed cylinder 1 according to different diameter pipeline.

[0026] The inner wall of the mounting cylinder 3 is fixedly installed with a magnetizer 4, the inside of the magnetizer 4 is installed with a magnet 5, the magnetizer 4 and the magnet 5 are connected through fixing bolts and mounting seats, the magnet 5 can form a specific direction magnetic field at the pipeline position after the fixing cylinder 1 is installed outside the pipeline, the magnetization of the pipeline through the magnet 5 can provide a bias magnetic field, which is convenient for applying a magnetic force to the pipeline position of the offshore platform for magnetostrictive guided wave detection.

[0027] The inner wall of the fixing cylinder 1 is fixedly installed with a positioning rod 11, the positioning rod 11 is provided with multiple groups and is arranged in an array, the positioning rod 11 can separate the magnet 5 from the pipeline, at this time, the magnet 5 can move without being hindered by the outside of the pipeline, which is convenient for adjusting the position of the magnet 5 outside the pipeline of the offshore platform.

[0028] Both sides of the mounting cylinder 3 are fixedly installed with a first fixed plate 13 and a second fixed plate 14, the first fixed plate 13 and the second fixed plate 14 are annularly provided with multiple groups, adjacent first fixed plates 13 and second fixed plates 14 are slidingly connected, adjacent first fixed plates 13 and second fixed plates 14 are connected through fixing bolts, the first fixed plate 13 and the second fixed plate 14 can connect adjacent mounting cylinders 3, when the diameter of the fixing cylinder 1 is adjusted according to the diameter of the pipeline, the first fixed plate 13 and the second fixed plate 14 can also move by being dislocated from each other, the size of the mounting cylinder 3 can be adjusted through the adjustment of the fixing cylinder 1, at this time, multiple groups of mounting cylinders 3 can be connected and fixed through multiple groups of fixing bolts.

[0029] The inner wall of the fixing cylinder 1 is fixedly installed with a mounting plate 6, the inner wall of the mounting plate 6 is fixedly installed with a limiting plate 7, the outer surfaces of the first fixed plate 13 and the second fixed plate 14 and the inside of the mounting plate 6 are slidingly connected, the outer surface of the limiting plate 7 and the inside of the first fixed plate 13 are slidingly connected, the first fixed plate 13 can be fixed in the inside of the mounting plate 6 under the action of the limiting plate 7, the first fixed plate 13 and the second fixed plate 14 can be auxiliary limited through the action of the mounting plate 6 and the limiting plate 7, which ensures the stability of the first fixed plate 13 and the second fixed plate 14 when moving.

[0030] The inside of the fixing cylinder 1 is slidingly connected with a plug rod 8, the other end of the plug rod 8 is fixedly installed with a baffle 15, the outer surface of the plug rod 8 and the inside of the first fixed plate 13 and the mounting cylinder 3 are slidingly connected, the plug rod 8 can be controlled to enter the inside of the first fixed plate 13 after adjusting the position of the magnet 5, at this time, the position of the mounting cylinder 3 can be further adjusted, which can ensure the stability of the mounting cylinder 3 when being fixedly used.

[0031] The outer sleeve of the inserting rod 8 is provided with a spring 16, one end of the spring 16 is connected with the outer surface of the fixing cylinder 1, the other end of the spring 16 is connected with the outer surface of the baffle 15, the inserting rod 8 can be pushed to move through the spring 16, the position of the installing cylinder 3 can be fixed through the spring 16, and the use is very convenient.

[0032] The electrical equipment in the application is a common electrical equipment in the prior art, and the type or internal structure of the electrical equipment will not be described in detail, and the electrical equipment can be replaced by other power sources.

[0033] When the utility model is used: when the magnetostriction guided wave detection is carried out on the offshore platform pipeline, the diameter of the fixing cylinder 1 is adjusted according to the diameter of the pipeline, the adjacent first connecting plate 9 and second connecting plate 10 can be fixed through the fixing bolt, the diameter of the fixing cylinder 1 is adjusted, the first fixed plate 13 and the second fixed plate 14 are controlled to move mutually, then the adjacent first fixed plate 13 and second fixed plate 14 are fixed through the fixing bolt, when the inserting rod 8 is separated from the first fixed plate 13, the installing cylinder 3 can be rotated to adjust the position of the magnet 5, the magnetic field direction generated by the magnet 5 can be adjusted, after adjustment, the inserting rod 8 can enter the inside of the first fixed plate 13 under the action of the spring 16, and the position of the installing cylinder 3 can be further fixed.

[0034] The technical principles of the utility model are described in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, other specific embodiments of the utility model can be thought of by the person skilled in the art without creative labor, and these embodiments will fall into the protection scope of the claims of the utility model.

Claims

1. A magnetostrictive guided wave inspection apparatus for offshore platform pressure pipes comprising a fixing cylinder (1), characterized in that: The inside of the fixed cylinder (1) is provided with a limiting groove (2), the inside of the limiting groove (2) is slidably connected with a mounting cylinder (3), the inner wall of the mounting cylinder (3) is fixedly installed with a magnetizer (4), the inside of the magnetizer (4) is installed with a magnet (5), the inner wall of the fixed cylinder (1) is fixedly installed with a mounting plate (6), the inner wall of the mounting plate (6) is fixedly installed with a limiting plate (7), and the inside of the fixed cylinder (1) is slidably connected with a plug rod (8).

2. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipelines as defined in claim 1, wherein: The two sides of the fixed cylinder (1) are respectively provided with a first connecting plate (9) and a second connecting plate (10), the fixed cylinder (1), the first connecting plate (9) and the second connecting plate (10) are provided with multiple groups and are arranged in an array, and adjacent first connecting plates (9) and second connecting plates (10) are connected through fixed bolts.

3. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipelines as defined in claim 1, wherein: The inner wall of the fixed cylinder (1) is fixedly installed with a positioning rod (11), the positioning rod (11) is provided with multiple groups and is arranged in an array, and the outer surface of the fixed cylinder (1) is fixedly installed with a handle (12).

4. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipes as defined in claim 1, wherein: The two sides of the mounting cylinder (3) are fixedly installed with a first fixed plate (13) and a second fixed plate (14), the first fixed plate (13) and the second fixed plate (14) are annularly provided with multiple groups, adjacent first fixed plates (13) and second fixed plates (14) are slidably connected, and adjacent first fixed plates (13) and second fixed plates (14) are connected through fixed bolts.

5. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipes as defined in claim 4, wherein: The outer surface of the first fixed plate (13) and the second fixed plate (14) and the inside of the mounting plate (6) are slidably connected, and the outer surface of the limiting plate (7) and the inside of the first fixed plate (13) are slidably connected.

6. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipes as defined in claim 1, wherein: The outer surface of the plug rod (8) and the inside of the first fixed plate (13) and the mounting cylinder (3) are slidably connected, and the other end of the plug rod (8) is fixedly installed with a baffle (15).

7. A magnetostrictive guided wave testing apparatus for offshore platform pressure pipes as defined in claim 6, wherein: The plug rod (8) is sleeved with a spring (16), one end of the spring (16) is connected with the outer surface of the fixed cylinder (1), and the other end of the spring (16) is connected with the outer surface of the baffle (15).

Images