Online monitoring mechanism for oil-gas long-distance pipeline

Abstract

The utility model discloses an on-line monitoring mechanism for an oil-gas long-distance pipeline, which comprises an oil-gas conveying pipeline, the upper end of the oil-gas conveying pipeline is provided with a convex opening, the inner side surface of the convex opening of the oil-gas conveying pipeline is provided with a pressure gauge, and the lower end of the pressure gauge is provided with a pressure probe. The upper end of the pressure probe is provided with a thread installation section, the outer surface of the thread installation section is connected to the inner side surface of a convex opening of the oil and gas conveying pipeline through threads, the outer surface of the thread installation section is provided with an annular boss and a hexagonal boss, and the outer surface of the annular boss of the thread installation section is sleeved with a gasket. The pressure gauge is arranged to monitor the pressure change of internal oil gas, whether leakage occurs or not can be monitored, threaded installation is adopted during installation, the pressure spring is arranged at the bottom to extrude the surface of the annular boss, extrusion is firm, thread slipping and loosening are avoided, stability is achieved after installation, a blocking opening type sealing structure is arranged after installation, and the sealing performance can be improved after installation.

Description

Technical Field

[0001] The utility model relates to the field of an online monitoring mechanism for a long-distance oil and gas pipeline, and more specifically, to an online monitoring mechanism for a long-distance oil and gas pipeline. Background Art

[0002] Oil and gas are an indispensable energy source in modern society and are closely related to people's daily life and production. Oil and gas are mainly obtained through mining and need to be further processed after mining. Therefore, after mining, oil and gas need to be transported to processing plants through oil and gas pipelines for processing. However, if oil and gas pipelines are affected by some unexpected situations during use, oil and gas leakage will occur, causing waste and safety threats. Therefore, it is necessary to monitor the oil and gas pipelines online to achieve timely discovery and timely treatment. The traditional online monitoring system for oil and gas pipeline leakage can basically meet people's use needs, but there are still certain problems. At present, the online monitoring system for oil and gas pipeline leakage in the existing technology can only monitor the local position of the oil and gas pipeline, resulting in poor monitoring performance and poor applicability. It cannot meet the use needs, which greatly reduces the practicality of the online monitoring system for oil and gas pipeline leakage;

[0003] In the prior art, such as the authorization announcement number CN217928313U, an online monitoring system for oil and gas pipeline leakage with high monitoring performance and high applicability is disclosed, including an oil and gas pipeline and a monitoring mechanism, wherein a monitoring mechanism is arranged at the bottom of the oil and gas pipeline, and the monitoring mechanism comprises a support block, a base, a slide groove, a bearing, a threaded rod, a driven gear, a servo motor, a rotating shaft, a driving gear, a controller, a signal transmitter, a collar, a gas detector and a limit rod. The utility model solves the problem that the online monitoring system for oil and gas pipeline leakage in the prior art can only monitor the local position of the oil and gas pipeline, resulting in poor monitoring performance and poor applicability, and cannot meet the use requirements, which greatly reduces the practicality of the online monitoring system for oil and gas pipeline leakage;

[0004] In the above-mentioned patent, an external detection method is adopted, but only one end can be moved for distance detection. The length of the oil and gas transmission pipeline is calculated in kilometers. The detection of the above-mentioned patent is inconvenient. The prior art also uses a pressure sensor to detect internal pressure changes to monitor whether the oil and gas are leaking. The sealing and temperature resistance of the pressure sensor are poor after installation. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an online monitoring mechanism for long-distance oil and gas pipelines. By setting a pressure gauge to monitor the changes in the internal oil and gas pressure, it is possible to monitor whether there is a leak. Threaded installation is adopted during installation, and a compression spring is arranged at the bottom to squeeze the surface of the annular boss, which can be squeezed firmly without slipping and loosening. It is stable after installation, and a built-in blocking mouth sealing structure is provided after installation, which can improve the sealing performance after installation.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] 1. The camshaft pressure gauge as claimed in claim 1, wherein the pressure gauge is provided at the bottom and the pressure probe is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the pressure probe is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the pressure probe is provided at the top. The camshaft pressure gauge is provided at the bottom and the pressure probe is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the pressure probe is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the pressure probe is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the pressure gauge ... camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge is provided at the bottom and the camshaft pressure gauge is provided at the bottom. The camshaft pressure gauge

[0008] Furthermore, a first sealing rubber ring and a second sealing rubber ring are respectively placed on the inner surface of the convex portion of the oil and gas transmission pipeline, the lower surface of the annular boss of the threaded mounting joint is pressed against the upper end surface of the first sealing rubber ring, and the lower surface of the threaded mounting joint is pressed against the upper end surface of the second sealing rubber ring.

[0009] Furthermore, a first annular positioning groove is provided on the lower surface of the annular boss, and the inner surface of the first annular positioning groove is clamped on the surface of the first sealing rubber ring.

[0010] Furthermore, a second annular positioning groove is provided on the lower surface of the threaded mounting section, and the inner surface of the second annular positioning groove is clamped on the surface of the second sealing rubber ring.

[0011] Furthermore, a signal transmitter is provided on the upper end surface of the pressure gauge.

[0012] Furthermore, the first sealing rubber ring and the second sealing rubber ring are made of corrosion-resistant and high-temperature-resistant rubber.

[0013] Furthermore, the gasket is a metal gasket.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) By setting a pressure gauge to monitor the changes in internal oil and gas pressure, leakage can be monitored. Threaded installation is adopted during installation. A compression spring is set at the bottom to squeeze the surface of the annular boss. It can be squeezed firmly without slipping and loosening. It is stable after installation. After installation, a built-in blocking mouth sealing structure can improve the sealing performance after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an enlarged view of point A of the utility model;

[0018] Figure 3 This is the first view of the pressure gauge of the utility model;

[0019] Figure 4 This is the second view of the pressure gauge of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1 oil and gas transmission pipeline, 2 pressure gauge, 3 pressure probe, 4 threaded mounting joint, 5 hexagonal boss, 6 gasket, 40 annular boss, 7 compression spring, 8 first sealing rubber ring, 9 second sealing rubber ring, 41 first annular positioning groove, 42 second annular positioning groove, 20 signal transmitter. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-4, an online monitoring mechanism for a long-distance oil and gas pipeline, comprising an oil and gas pipeline 1, a convex opening is arranged at the upper end of the oil and gas pipeline 1, a pressure gauge 2 is installed on the inner surface of the convex opening of the oil and gas pipeline 1, a pressure probe 3 is arranged at the lower end of the pressure gauge 2, a threaded installation section 4 is arranged on the upper end of the pressure probe 3, the outer surface of the threaded installation section 4 is connected to the inner surface of the convex opening of the oil and gas pipeline 1 through a thread, an annular boss 40 and a hexagonal boss 5 are arranged on the outer surface of the threaded installation section 4, a gasket 6 is sleeved on the outer surface of the annular boss 40 of the threaded installation section 4, a compression spring 7 is sleeved on the outer surface of the convex opening of the oil and gas pipeline 1, the upper end surface of the compression spring 7 is pressed on the lower surface of the gasket 6, and the pressure gauge is arranged to monitor the internal oil and gas pressure change, and whether there is leakage can be monitored, and the threaded installation is adopted during installation, and the compression spring is arranged at the bottom to squeeze the surface of the annular boss, which can be squeezed firmly without slipping and loosening, and is stable after installation, and a built-in blocking mouth type sealing structure is installed after installation, and the sealing performance can be improved after installation;

[0025] A first sealing rubber ring 8 and a second sealing rubber ring 9 are respectively placed on the inner surface of the convex opening of the oil and gas transmission pipeline 1, and the lower surface of the annular boss 40 of the threaded installation section 4 is pressed against the upper end surface of the first sealing rubber ring 8, and the lower surface of the threaded installation section 4 is pressed against the upper end surface of the second sealing rubber ring 9, so as to facilitate extrusion sealing;

[0026] A first annular positioning groove 41 is provided on the lower surface of the annular boss 40. The inner surface of the first annular positioning groove 41 is clamped on the surface of the first sealing rubber ring 8, which can be clamped and positioned, pressed and sealed to form a blocking port. When oil and gas pass through the sealing rubber ring, they can be blocked, which can improve the sealing performance.

[0027] A second annular positioning groove 42 is provided on the lower surface of the threaded installation section 4. The inner surface of the second annular positioning groove 42 is clamped on the surface of the second sealing rubber ring 9, which can be clamped and positioned, crimped and sealed to form a blocking port. When oil and gas pass through the sealing rubber ring, they can be blocked, which can improve the sealing performance.

[0028] The upper surface of the pressure gauge 2 is provided with a signal transmitter 20, which transmits a monitoring signal in real time for online monitoring;

[0029] The first sealing rubber ring 8 and the second sealing rubber ring 9 are made of corrosion-resistant and high-temperature-resistant rubber to improve durability;

[0030] The gasket 6 is a metal gasket, which is easy to squeeze and lock;

[0031] When it is used, a pressure probe 3 is arranged through the lower end of the pressure gauge 2, and a threaded installation section 4 is arranged on the upper end of the pressure probe 3. The outer surface of the threaded installation section 4 is connected to the inner surface of the convex opening of the oil and gas transmission pipeline 1 through a thread, and the installation is locked. The outer surface of the threaded installation section 4 is provided with an annular boss 40 and a hexagonal boss 5. The hexagonal boss 5 can be inserted with a wrench to twist and install and disassemble, which is convenient to use. A gasket 6 is sleeved on the outer surface of the annular boss 40 of the threaded installation section 4, and a compression spring 7 is sleeved on the outer surface of the convex opening of the oil and gas transmission pipeline 1. The upper end surface of the compression spring 7 is pressed on the lower surface of the gasket 6. After locking, the compression spring 7 can reversely squeeze the gasket 6, and can squeeze the pressure gauge 2 upward, and can reversely squeeze the support to form a traction force, which is not easy to make the threaded installation section 4 loose and slip, and the installation is stable;

[0032] A first sealing rubber ring 8 and a second sealing rubber ring 9 are respectively placed on the inner surface of the convex opening of the delivery pipe 1, and the lower surface of the annular boss 40 of the threaded installation section 4 is pressed against the upper end surface of the first sealing rubber ring 8, and the lower surface of the threaded installation section 4 is pressed against the upper end surface of the second sealing rubber ring 9, so as to facilitate extrusion sealing;

[0033] A first annular positioning groove 41 is provided on the lower surface of the annular boss 40, and the inner surface of the first annular positioning groove 41 is clamped on the surface of the first sealing rubber ring 8. A second annular positioning groove 42 is provided on the lower surface of the threaded mounting section 4, and the inner surface of the second annular positioning groove 42 is clamped on the surface of the second sealing rubber ring 9, which can be clamped and positioned, crimped and sealed to form a blocking port. When oil and gas pass through the sealing rubber ring, they can be blocked, thereby improving the sealing performance.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An online monitoring mechanism for a long-distance oil and gas pipeline, comprising an oil and gas pipeline (1), characterized in that: A convex opening is arranged at the upper end of the oil and gas transmission pipeline (1), and a pressure gauge (2) is installed on the inner surface of the convex opening of the oil and gas transmission pipeline (1). A pressure probe (3) is arranged at the lower end of the pressure gauge (2), and a threaded mounting section (4) is arranged at the upper end of the pressure probe (3). The outer surface of the threaded mounting section (4) is connected to the inner surface of the convex opening of the oil and gas transmission pipeline (1) through a thread. An annular boss (40) and a hexagonal boss (5) are arranged on the outer surface of the threaded mounting section (4). A gasket (6) is sleeved on the outer surface of the annular boss (40) of the threaded mounting section (4), and a compression spring (7) is sleeved on the outer surface of the convex opening of the oil and gas transmission pipeline (1), and the upper end surface of the compression spring (7) is pressed against the lower surface of the gasket (6).

2. The online monitoring mechanism for long-distance oil and gas pipeline according to claim 1 is characterized by: A first sealing rubber ring (8) and a second sealing rubber ring (9) are respectively placed on the inner surface of the convex opening of the oil and gas transmission pipeline (1); the lower surface of the annular boss (40) of the threaded mounting section (4) is pressed against the upper end surface of the first sealing rubber ring (8); and the lower surface of the threaded mounting section (4) is pressed against the upper end surface of the second sealing rubber ring (9).

3. The online monitoring mechanism for long-distance oil and gas pipeline according to claim 2 is characterized in that: A first annular positioning groove (41) is provided on the lower surface of the annular boss (40), and the inner surface of the first annular positioning groove (41) is clamped on the surface of the first sealing rubber ring (8).

4. The online monitoring mechanism for long-distance oil and gas pipelines according to claim 2 is characterized in that: A second annular positioning groove (42) is provided on the lower surface of the threaded mounting section (4), and the inner surface of the second annular positioning groove (42) is clamped on the surface of the second sealing rubber ring (9).

5. The online monitoring mechanism for long-distance oil and gas pipeline according to claim 1 is characterized by: A signal transmitter (20) is provided on the upper end surface of the pressure gauge (2).

6. The online monitoring mechanism for long-distance oil and gas pipelines according to claim 2 is characterized by: The first sealing rubber ring (8) and the second sealing rubber ring (9) are made of corrosion-resistant and high-temperature-resistant rubber.

7. The online monitoring mechanism for long-distance oil and gas pipelines according to claim 1 is characterized by: The gasket (6) is a metal gasket.

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