Buried gas pipeline stress monitoring equipment

Abstract

The utility model relates to the technical field of pipeline stress monitoring, and discloses buried gas pipeline stress monitoring equipment which comprises a liquid main body frame, a threaded cylinder is fixedly installed on the upper surface of the liquid main body frame, a threaded rod is installed on the inner wall of the threaded cylinder in a threaded mode, and a connecting frame is rotatably installed at the lower end of the threaded rod. A clamping plate is fixedly mounted on the lower portion of the sliding strip, a working frame is fixedly mounted on the upper portion of the clamping plate, a first mounting bin is formed in the middle of the working frame, a damping spring is mounted in the first mounting bin, and a mounting plate is fixedly mounted at the lower end of the damping spring; and a stress monitor is mounted at the lower part of the mounting plate. Therefore, the stress monitor can be protected from being damaged, the stress monitor can continuously carry out monitoring work, adjustment can be carried out according to gas pipelines with different diameters, the device can adapt to installation of different pipelines, and the practicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline stress monitoring technology, specifically a stress monitoring device for buried gas pipelines. Background Technology

[0002] Natural gas is a clean and efficient energy source that is widely used in the production and daily life of people in Fujian Province. It is used for urban gas, industrial fuel, power generation, and chemical industry. Natural gas is generally transported through pipelines. Natural gas pipeline transportation has advantages such as low transportation cost, small land occupation, fast construction, large oil and gas transportation volume, high safety performance, low transportation loss, no "three wastes" emissions, low risk of leakage, low environmental pollution, less affected by severe weather, low equipment maintenance, easy management, and easy to realize remote centralized monitoring. Since many gas pipelines are buried underground, stress monitoring of gas pipelines is required during gas transportation to ensure the safety of gas pipelines.

[0003] Among the existing published patents: a pipeline stress and strain detection sensor and a pipeline stress and strain monitoring device (Publication No.: CN215572686U). "The pipeline stress-strain detection sensor includes a clamp for accommodating at least a portion of the outer wall of the pipeline, a base for fixing the clamp, a Z-shaped groove, a locking block, a spindle, a connecting rod, a torsion spring, a rotatable block, and a strain gauge. The Z-shaped groove is directly or indirectly disposed in the side of the clamp. The locking block has an inner cavity and is engaged in the Z-shaped groove. The spindle has an annular groove formed in the outer wall, an inner end connected to the strain gauge, and an outer end slidably connected to the rotatable block. The spindle passes through the Z-shaped groove through the inner cavity of the locking block. The torsion spring is fitted on the annular groove of the spindle, and both ends of the torsion spring are fixedly connected to the inner cavity of the locking block. The connecting rod fixes the rotatable block to the locking block. This invention can effectively monitor the stress and strain of oil pipelines in real time, and is easy to operate and inexpensive." However, some defects still exist in its use. The equipment installation cannot be adjusted, and it cannot be used to monitor and install pipelines of different diameters, which reduces its practicality. At the same time, the monitoring equipment lacks protection and is easily damaged, resulting in the inability to monitor normally. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a stress monitoring device for buried gas pipelines. This device protects the stress monitor from damage, enabling continuous monitoring. It can also be adjusted for gas pipelines of different diameters, adapting to different pipeline installations and improving the device's practicality. This solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the following technical solution is provided: a buried gas pipeline stress monitoring device, comprising a liquid body frame, a threaded cylinder fixedly installed on the upper surface of the liquid body frame, a threaded rod threadedly installed on the inner wall of the threaded cylinder, a connecting frame rotatably installed at the lower end of the threaded rod, a connecting slide plate fixedly installed on the side of the connecting frame near the main body frame, an installation groove opened on the lower side of the main body frame, a slide bar slidably installed on the inner wall of the installation groove, a clamping plate fixedly installed at the lower part of the slide bar, a working frame fixedly installed on the upper part of the clamping plate, a first installation chamber opened in the middle of the working frame, a damping spring installed inside the first installation chamber, an installation plate fixedly installed at the lower end of the damping spring, and a stress monitor installed at the lower part of the installation plate.

[0008] Preferably, a throttle is fixedly installed at the upper end of the threaded rod, the connecting slide is slidably connected to the surface of the main frame, and a support plate is fixedly installed on the lower surface of the main frame.

[0009] Preferably, four damping springs are provided, which are located at the four corners of the mounting plate. The two sides of the mounting plate are slidably connected to the inner wall of the first mounting chamber, and a monitoring port corresponding to the stress monitor is opened on the lower surface of the clamping plate.

[0010] Preferably, a second installation compartment is provided on the front and rear sides of the working frame, a vent is provided on the outer side of the second installation compartment, and a gas concentration monitor is installed inside the second installation compartment.

[0011] Preferably, a data sensor is fixedly installed on the lower part of the main frame, and the data sensor is electrically connected to the stress monitor and the gas concentration monitor.

[0012] Preferably, threaded holes are provided on the surface of the slider and the surface of the connecting frame, and bolts are threaded onto the inner wall of the threaded holes.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a stress monitoring device for buried gas pipelines, which has the following beneficial effects:

[0015] 1. The buried gas pipeline stress monitoring equipment, with its threaded cylinder, threaded rod, connecting frame, connecting slide plate, clamping plate, working frame, first installation chamber, damping spring, installation plate, stress monitor, support plate, monitoring port, and handle, is designed to protect the stress monitor from damage, enabling it to continuously perform monitoring work. Furthermore, it can be adjusted for gas pipelines of different diameters, adapting to different pipeline installations and improving the equipment's practicality.

[0016] 2. This buried gas pipeline stress monitoring equipment, through the setting of a second installation chamber, vent, gas concentration monitor, and data sensor, can simultaneously monitor the pipeline stress and detect gas leaks, making the monitoring more comprehensive and beneficial to the protection of the pipeline.

[0017] 3. The buried gas pipeline stress monitoring equipment, through the setting of installation grooves, sliding strips, threaded holes and bolts, achieves convenient installation and disassembly of the working frame, which facilitates later maintenance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of this utility model from a bottom view.

[0021] In the diagram: 1. Main frame; 2. Threaded cylinder; 3. Threaded rod; 4. Connecting frame; 5. Connecting slide plate; 6. Mounting slot; 7. Slide bar; 8. Clamping plate; 9. Working frame; 10. First mounting chamber; 11. Damping spring; 12. Mounting plate; 13. Stress monitor; 14. Second mounting chamber; 15. Vent hole; 16. Gas concentration monitor; 17. Monitoring port; 18. Throttle; 19. Data sensor; 20. Support plate; 21. Bolt. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. Obviously, the described embodiments are only some embodiments, not all embodiments. Based on the embodiments described, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection.

[0023] Example 1:

[0024] Please see Figure 1-3A stress monitoring device for buried gas pipelines includes a liquid main frame 1. A threaded cylinder 2 is fixedly installed on the upper surface of the liquid main frame 1. A threaded rod 3 is threadedly installed on the inner wall of the threaded cylinder 2. A connecting frame 4 is rotatably installed at the lower end of the threaded rod 3. A connecting slide plate 5 is fixedly installed on the side of the connecting frame 4 near the main frame 1. An installation groove 6 is opened on the lower side of the main frame 1. A slide bar 7 is slidably installed on the inner wall of the installation groove 6. A clamping plate 8 is fixedly installed at the lower part of the slide bar 7. A working frame 9 is fixedly installed on the upper part of the clamping plate 8. A first installation chamber 10 is opened in the middle of the working frame 9. A damping spring 11 is installed inside the first installation chamber 10. An installation plate 12 is fixedly installed at the lower end of the damping spring 11. A stress monitor 13 is installed at the lower part of the installation plate 12.

[0025] Specifically, after selecting the pipe location, the main frame 1 and the pipe are installed. When the threaded rod 3 rotates, it can move up and down because it is threadedly connected to the threaded cylinder. The threaded rod 3 can drive the connecting frame 4 to move, which in turn drives the clamping plate 8 to move. The stress monitor 13 is an HKNDT-A non-destructive stress monitor. After the pipe is installed on the main frame 1, a protective cover can be used to cover the entire main frame 1 before backfilling.

[0026] Preferably, a throttle 18 is fixedly installed at the upper end of the threaded rod 3, and the connecting slide plate 5 is slidably connected to the surface of the main frame 1. A support plate 20 is fixedly installed on the lower surface of the main frame 1.

[0027] Specifically, the threaded rod 3 can be easily rotated by the throttle 18, the connecting plate 5 can restrict the movement of the connecting frame 4, and the support plate 20 can support the pipe installation.

[0028] Preferably, four damping springs 11 are provided, and the four damping springs 11 are located at the four corners of the mounting plate 12. The two sides of the mounting plate 12 are slidably connected to the inner wall of the first mounting chamber 10. The lower surface of the clamping plate 8 is provided with a monitoring port 17 corresponding to the stress monitor 13.

[0029] Specifically, under the action of the four damping springs 11, the stress monitor 13 is pushed out of the monitoring port 17.

[0030] Working principle: During installation, the gas pipeline is installed on the support plate 20. Then, the handle 18 is manually turned to drive the threaded rod 3 to rotate. The threaded rod 3 will drive the connecting frame 4 to move downward, and the connecting frame 4 will drive the clamping plate 8 to move downward. The connecting slide plate 5 slides synchronously to restrict the movement of the connecting frame 4. The clamping plate 8 will be installed on the surface of the pipeline, and the stress monitor 13 will also be attached to the surface of the pipeline. Then, the stress monitor 13 will be compressed and move into the monitoring port 17. The mounting plate 12 slides in the first mounting chamber 10, and the damping spring 11 is compressed. The elasticity of the damping spring 11 allows the stress monitor 13 to remain tightly attached to the surface of the pipeline and will not be affected by the deformation of the pipeline stress. This protects the stress monitor 13 from damage, allowing it to continuously monitor the pipeline. It can also be adjusted according to different diameter gas pipelines, adapting to the installation of different pipelines and improving the practicality of the equipment.

[0031] Example 2:

[0032] Please see Figure 1-3 Preferably, a second installation chamber 14 is provided on the front and rear sides of the working frame 9, a vent hole 15 is provided on the outer side of the second installation chamber 14, and a gas concentration monitor 16 is installed inside the second installation chamber 14.

[0033] Specifically, the gas concentration monitor model 16 is: XP-3140

[0034] Preferably, a data sensor 19 is fixedly installed on the lower part of the main frame 1, and the data sensor 19 is electrically connected to the stress monitor 13 and the gas concentration monitor 16.

[0035] Working principle: The second installation chamber 14 is located on both sides of the front of the working frame 9. Therefore, two gas concentration monitors 16 are installed. The gas concentration monitors 16 can monitor the gas concentration in the gas through the vent. When a gas pipeline leaks, the gas concentration monitors 16 will transmit the data to the data sensor 19. As shown in Embodiment 1, the stress sensor will also transmit the monitored data to the data sensor 19. The data sensor 19 will transmit the data to the backend, which can be viewed by the staff. This achieves the goal of monitoring the pipeline stress and simultaneously monitoring whether there is a gas leak in the gas pipeline, making the monitoring more comprehensive and beneficial to the protection of the pipeline.

[0036] Example 3:

[0037] Please see Figure 1-3 Preferably, threaded holes are provided on the surface of the slide bar 7 and the surface of the connecting frame 4, and bolts 21 are threadedly installed on the inner wall of the threaded holes.

[0038] Working principle: As shown in Example 1, when installing the clamping plate 8, the slide bar 7 is installed into the mounting groove 6, and then the bolt 21 is installed into the threaded hole to fix the clamping plate 8 and the working frame 9. Similarly, when disassembling, the bolt 21 is removed, and the slide bar 7 can be pulled out from the mounting groove 6, and then the working frame 9 can be disassembled, thus facilitating later maintenance.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stress monitoring device for buried gas pipelines, comprising a liquid body frame (1), characterized in that: A threaded cylinder (2) is fixedly installed on the upper surface of the liquid body frame (1). A threaded rod (3) is threadedly installed on the inner wall of the threaded cylinder (2). A connecting frame (4) is rotatably installed on the lower end of the threaded rod (3). A connecting slide plate (5) is fixedly installed on the side of the connecting frame (4) near the main body frame (1). An installation groove (6) is opened on the lower side of the main body frame (1). A slide bar (7) is slidably installed on the inner wall of the installation groove (6). A clamping plate (8) is fixedly installed on the lower part of the slide bar (7). A working frame (9) is fixedly installed on the upper part of the clamping plate (8). A first installation chamber (10) is opened in the middle part of the working frame (9). A damping spring (11) is installed inside the first installation chamber (10). An installation plate (12) is fixedly installed on the lower end of the damping spring (11). A stress monitor (13) is installed on the lower part of the installation plate (12).

2. The stress monitoring device for buried gas pipelines according to claim 1, characterized in that: The upper end of the threaded rod (3) is fixedly installed with a throttle (18), the connecting slide plate (5) is slidably connected to the surface of the main frame (1), and the lower surface of the main frame (1) is fixedly installed with a support plate (20).

3. The stress monitoring device for buried gas pipelines according to claim 1, characterized in that: Four damping springs (11) are provided, and the four damping springs (11) are located at the four corners of the mounting plate (12). The two sides of the mounting plate (12) are slidably connected to the inner wall of the first mounting chamber (10). The lower surface of the clamping plate (8) is provided with a monitoring port (17) corresponding to the stress monitor (13).

4. The stress monitoring device for buried gas pipelines according to claim 1, characterized in that: The working frame (9) has a second installation chamber (14) on its front and rear sides. The second installation chamber (14) has a vent hole (15) on its outer side. A gas concentration monitor (16) is installed inside the second installation chamber (14).

5. The stress monitoring device for buried gas pipelines according to claim 1, characterized in that: A data sensor (19) is fixedly installed on the lower part of the main frame (1), and the data sensor (19) is electrically connected to the stress monitor (13) and the gas concentration monitor (16).

6. The stress monitoring device for buried gas pipelines according to claim 1, characterized in that: The surface of the slide bar (7) and the surface of the connecting frame (4) are provided with threaded holes, and bolts (21) are threadedly installed on the inner wall of the threaded holes.

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