Pipeline nondestructive metal corrosion monitoring probe

Abstract

The utility model relates to the technical field of electrochemical corrosion monitoring devices, and discloses a pipeline lossless metal corrosion monitoring probe which comprises an external pipeline and a connecting pipe, a supporting ring is fixedly arranged on the lower side of the interior of the connecting pipe, and fixing blocks and fixing rods are fixedly arranged at the left end and the right end of the outer side of the middle of the connecting pipe. The fixed block penetrates through the middle part of the fixed block; the spring is arranged on the outer side of the middle of the fixing rod, the end, away from the vertical central axis of the connecting pipe, of the spring is fixedly installed on the fixing block, and the end, close to the vertical central axis of the connecting pipe, of the spring abuts against the fixing rod; the monitoring assembly is arranged in the middle of the inner side of the connecting pipe; the temporary sealing assembly is installed in the middle of the inner side of the connecting pipe. According to the pipeline lossless metal corrosion monitoring probe, the monitoring metal rod can be conveniently disassembled and assembled, meanwhile, a good dual-sealing function is provided for the interior of a pipeline, and when the monitoring metal rod is detected, a good temporary sealing function can be provided for an open hole.

Description

Technical Field

[0001] The utility model relates to the field of electrochemical corrosion monitoring devices, in particular to a pipeline non-destructive metal corrosion monitoring probe. Background Art

[0002] Pipeline transportation is the main mode of transportation for resources such as oil, gas, and water. Pipelines are usually made of metal materials such as low-alloy steel. During the long service life of the pipeline, these metal materials are often easily corroded by corrosive media in the surrounding environment, thereby reducing the mechanical properties such as strength and toughness of the metal materials, destroying the electronic and optical properties of the metal materials, shortening the service life of the pipeline, and even causing catastrophic accidents and huge economic losses.

[0003] However, the more conventional detection method at present is that the administrator installs a metal stick made of the same metal material as the pipeline in the pipeline, and makes judgments by regularly testing the degree of corrosion of the metal stick. However, since the installation and disassembly method of the metal stick uses a single thread for fastening, it is not convenient for the administrator to disassemble and assemble it. Therefore, a pipeline non-destructive metal corrosion monitoring probe is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a pipeline non-destructive metal corrosion monitoring probe, which can conveniently disassemble and assemble the monitoring metal stick, while providing a better double sealing function for the interior of the pipeline. When the monitoring metal stick is inspected, a better temporary sealing function can be provided for the opening.

[0006] Technical Solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A pipeline non-destructive metal corrosion monitoring probe comprises an external pipeline and a connecting pipe, wherein a support ring is fixedly arranged on the lower side of the inner part of the connecting pipe, and fixing blocks are fixedly arranged on both left and right ends of the outer middle part of the connecting pipe, and the lower end surface of the fixing block is fixedly arranged on the upper end surface of the external pipeline, and further comprises:

[0009] A fixing rod, which is arranged through the middle of the fixing block;

[0010] A spring is arranged outside the middle of the fixing rod, and one end of the spring away from the vertical center axis of the connecting pipe is fixedly mounted on the fixing block, and one end of the spring close to the vertical center axis of the connecting pipe is tightly pressed against the fixing rod;

[0011] A monitoring component, which is arranged in the middle of the inner side of the connecting pipe;

[0012] A temporary sealing assembly is installed at the middle portion of the inner side of the connecting pipe.

[0013] As a preferred technical solution of the utility model, the monitoring assembly includes a first connection block, a first handle, a first monitoring sealing ring, a second monitoring sealing ring and a metal rod;

[0014] A first connecting block, which is arranged at the inner middle part of the connecting pipe;

[0015] A first handle, which is fixedly mounted on the upper end surface of the first connecting block;

[0016] A monitoring first sealing ring is fixedly arranged on the outer side of the middle part of the first connecting block;

[0017] A second monitoring sealing ring is fixedly mounted on the outer side of the middle portion of the first connecting block and is located below the first monitoring sealing ring;

[0018] The metal rod is fixedly arranged at the middle part of the lower end surface of the first connecting block.

[0019] As a preferred technical solution of the utility model, the fixing rod forms a telescopic structure inside the fixing block through a spring, and the fixing block is arranged in left-right symmetry based on the vertical center axis of the connecting pipe.

[0020] As a preferred technical solution of the utility model, the first connecting block is connected to the internal thread of the connecting pipe, and the first connecting block is engaged with the fixing rod.

[0021] As a preferred technical solution of the utility model, the first connecting block is tightly pressed against the supporting ring, and a hole structure for the metal rod to pass through is provided in the middle of the supporting ring.

[0022] As a preferred technical solution of the utility model, the temporary sealing assembly includes a second connecting block, a second handle, a temporary first sealing ring and a temporary second sealing ring;

[0023] A second connecting block is arranged at the inner middle part of the connecting pipe;

[0024] A second handle, which is fixedly mounted on the upper end surface of the second connecting block;

[0025] A temporary first sealing ring, which is fixedly arranged on the outer side of the middle part of the second connecting block;

[0026] The temporary second sealing ring is fixedly installed on the outer side of the middle part of the second connecting block and is located below the temporary first sealing ring.

[0027] Beneficial Effects

[0028] Compared with the prior art, the utility model provides a pipeline non-destructive metal corrosion monitoring probe, which has the following beneficial effects:

[0029] The pipeline non-destructive metal corrosion monitoring probe can enable the spring to provide a first tightening effect on the first connecting block through the fixing rod, and at the same time, the first connecting block can have a second tightening effect through the internal thread connection between the first connecting block and the connecting pipe;

[0030] By monitoring the first sealing ring and the second sealing ring, a double sealing effect can be provided for the connection between the support ring and the external pipeline. At the same time, a temporary sealing component can provide a temporary blocking effect for the connection between the support ring and the external pipeline when the metal rod is being tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0032] Figure 2 This is a schematic diagram of the cross-sectional structure of the second connecting block of the utility model in an installed state;

[0033] Figure 3 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0034] In the figure: 1. external pipeline; 2. connecting pipe; 21. support ring; 3. fixing block; 4. fixing rod; 5. spring; 61. first connecting block; 62. first handle; 63. monitoring first sealing ring; 64. monitoring second sealing ring; 65. metal rod; 71. second connecting block; 72. second handle; 73. temporary first sealing ring; 74. temporary second sealing ring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0037] In this example, see Figure 1 and Figure 2The utility model provides a technical solution: including an external pipe 1 and a connecting pipe 2, in addition, a support ring 21 is fixedly arranged on the lower side of the inner part of the connecting pipe 2, and at the same time, fixed blocks 3 are fixedly arranged on the left and right ends of the middle outer side of the connecting pipe 2, and the lower end surface of the fixed block 3 is fixedly arranged on the upper end surface of the external pipe 1, and a fixed rod 4 is arranged through the middle of the fixed block 3, and a spring 5 is arranged on the middle outer side of the fixed rod 4, and one end of the spring 5 away from the vertical central axis of the connecting pipe 2 is fixedly installed with the fixed block 3, and at the same time, one end of the spring 5 close to the vertical central axis of the connecting pipe 2 is tightly pressed against the fixed rod 4;

[0038] Among them, the external pipeline 1 is an existing pipeline that needs to be monitored regularly, the connecting pipe 2 is used to connect the monitoring component and the pipeline, the fixed block 3 is symmetrically arranged based on the vertical center axis of the connecting pipe 2, and at the same time, the fixed rod 4 forms a telescopic structure inside the fixed block 3 through the spring 5. By pulling the pull ring at one end of the fixed rod 4 away from the vertical center axis of the connecting pipe 2, the end of the fixed rod 4 close to the vertical center axis of the connecting pipe 2 can be retracted back into the inside of the fixed block 3.

[0039] For further information, see Figure 1 , Figure 2 and Figure 3 The monitoring assembly is composed of a first connecting block 61, a first handle 62, a first monitoring sealing ring 63, a second monitoring sealing ring 64 and a metal rod 65. The first connecting block 61 is arranged in the middle of the inner side of the connecting pipe 2, and the first handle 62 is fixedly installed on the upper end surface of the first connecting block 61. In addition, the first monitoring sealing ring 63 is fixedly installed on the outer side of the middle part of the first connecting block 61, and the second monitoring sealing ring 64 is fixedly installed on the outer side of the middle part of the first connecting block 61 and is located below the first monitoring sealing ring 63. Moreover, the metal rod 65 is fixedly installed in the middle of the lower end surface of the first connecting block 61;

[0040] Among them, the first connecting block 61 is connected to the internal thread of the connecting pipe 2, and the interior of the first handle 62 is provided with a groove structure which is convenient for pulling. The first sealing ring 63 and the second sealing ring 64 are installed on the outer side of the middle part of the first connecting block 61 using the existing fixing method. At the same time, the first sealing ring 63 and the second sealing ring 64 can provide a better double sealing effect for the interior of the connecting pipe 2. The first connecting block 61 is tightly pressed against the support ring 21, so that the support ring 21 provides a supporting function for the first connecting block 61. The interior of the support ring 21 is provided with a hole structure for the metal rod 65 to pass through, so that the metal rod 65 can penetrate into the interior of the external pipe 1. The metal rod 65 and the external pipe 1 are made of the same material. The first connecting block 61 is engaged with the fixing rod 4, so that the fixing rod 4 provides a better fastening effect for the first connecting block 61.

[0041] For further information, see Figure 1 , Figure 2 and Figure 3 The temporary sealing assembly is composed of a second connecting block 71, a second handle 72, a temporary first sealing ring 73 and a temporary second sealing ring 74. The second connecting block 71 is arranged at the inner middle part of the connecting pipe 2, and the second handle 72 is fixedly installed on the upper end surface of the second connecting block 71. In addition, the temporary first sealing ring 73 is fixedly arranged on the outer middle part of the second connecting block 71. Furthermore, the temporary second sealing ring 74 is fixedly installed on the outer middle part of the second connecting block 71 and is located below the temporary first sealing ring 73.

[0042] Among them, the appearance and material of the second connecting block 71, the second handle 72, the temporary first sealing ring 73 and the temporary second sealing ring 74 correspond one-to-one to the first connecting block 61, the first handle 62, the monitoring first sealing ring 63 and the monitoring second sealing ring 64. The second connecting block 71 is connected to the internal thread of the connecting pipe 2, and the second connecting block 71 is engaged with the fixing rod 4. At the same time, the temporary first sealing ring 73 and the temporary second sealing ring 74 will provide a better double sealing effect for the interior of the connecting pipe 2.

[0043] Working principle: When it is necessary to monitor the corrosion situation inside the external pipe 1, pull the fixing rod 4 to make it contact the snap connection with the first connecting block 61, and at the same time rotate the first handle 62 to make the first connecting block 61 drive the metal rod 65 to be taken out from the inside of the external pipe 1, and then after taking out the metal rod 65, transfer the second connecting block 71 to the inside of the connecting pipe 2 through the second handle 72, and finally relax the fixing rod 4 to make the fixing rod 4 snap on the second connecting block 71, so that when the metal rod 65 is being monitored and checked, the second connecting block 71 seals the inside of the connecting pipe 2 through the temporary first sealing ring 73 and the temporary second sealing ring 74, and after checking the metal rod 65, take out the second connecting block 71 according to the above operation, and then transfer the first connecting block 61 to the inside of the connecting pipe 2 through the first handle 62 to allow the metal rod 65 to continue monitoring.

[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline non-destructive metal corrosion monitoring probe, comprising an external pipeline (1) and a connecting pipe (2), wherein a support ring (21) is fixedly arranged on the lower side of the inner part of the connecting pipe (2), and fixing blocks (3) are fixedly arranged on both left and right ends of the middle outer side of the connecting pipe (2), and the lower end surface of the fixing block (3) is fixedly arranged on the upper end surface of the external pipeline (1), characterized in that: Also includes: A fixing rod (4) which penetrates through the middle of the fixing block (3); A spring (5) is arranged outside the middle of the fixing rod (4), and one end of the spring (5) away from the vertical center axis of the connecting pipe (2) is fixedly mounted on the fixing block (3), and one end of the spring (5) close to the vertical center axis of the connecting pipe (2) is tightly pressed against the fixing rod (4); A monitoring component, which is arranged in the middle of the inner side of the connecting pipe (2); A temporary sealing component is installed in the middle of the inner side of the connecting pipe (2).

2. The pipeline non-destructive metal corrosion monitoring probe according to claim 1 is characterized by: The monitoring assembly comprises a first connecting block (61), a first handle (62), a first monitoring sealing ring (63), a second monitoring sealing ring (64) and a metal rod (65); A first connecting block (61) is arranged at the middle part of the inner side of the connecting pipe (2); A first handle (62) fixedly mounted on the upper end surface of the first connecting block (61); A first monitoring sealing ring (63) is fixedly arranged on the outer side of the middle part of the first connecting block (61); A monitoring second sealing ring (64) is fixedly mounted on the outer side of the middle portion of the first connecting block (61) and is located below the monitoring first sealing ring (63); The metal rod (65) is fixedly arranged at the middle part of the lower end surface of the first connecting block (61).

3. The pipeline non-destructive metal corrosion monitoring probe according to claim 1 is characterized by: The fixing rod (4) forms a telescopic structure inside the fixing block (3) through a spring (5), and the fixing block (3) is arranged in a left-right symmetrical manner based on the vertical center axis of the connecting pipe (2).

4. The pipeline non-destructive metal corrosion monitoring probe according to claim 2 is characterized by: The first connecting block (61) is internally threadedly connected to the connecting pipe (2), and the first connecting block (61) is engaged with the fixing rod (4).

5. The pipeline non-destructive metal corrosion monitoring probe according to claim 2 is characterized by: The first connecting block (61) is tightly abutted against the supporting ring (21), and a hole-shaped structure for the metal rod (65) to pass through is provided in the middle of the supporting ring (21).

6. The pipeline non-destructive metal corrosion monitoring probe according to claim 1 is characterized by: The temporary sealing assembly comprises a second connecting block (71), a second handle (72), a temporary first sealing ring (73) and a temporary second sealing ring (74); A second connecting block (71) is arranged at the middle part of the inner side of the connecting pipe (2); A second handle (72) fixedly mounted on the upper end surface of the second connecting block (71); A temporary first sealing ring (73) fixedly arranged on the outer side of the middle part of the second connecting block (71); The temporary second sealing ring (74) is fixedly mounted on the outer side of the middle portion of the second connecting block (71) and is located below the temporary first sealing ring (73).

Images