Grating fiber oil and gas pipeline displacement monitoring mechanism

Abstract

The utility model relates to the technical field of oil and gas pipeline displacement monitoring, and discloses a grating fiber oil and gas pipeline displacement monitoring mechanism which comprises two oil and gas pipeline bodies, lower fixing rings are attached to the outer sides of the oil and gas pipeline bodies, and upper fixing rings are detachably connected to the tops of the lower fixing rings. Locking bolts are in threaded connection with the outer sides of the lower fixing rings and the outer sides of the upper fixing rings correspondingly, an adjusting assembly used for conducting radial height adjustment is installed between the tops of the two upper fixing rings, and a monitoring assembly used for monitoring pipeline displacement is installed on the outer side of the adjusting assembly. The adjusting assembly comprises two adjusting rods fixedly connected to the tops of the two upper fixing rings correspondingly, and sliding blocks are slidably connected to the outer sides of the adjusting rods. According to the grating fiber oil and gas pipeline displacement monitoring mechanism, radial height adjustment can be conveniently carried out, adjustment operation of workers is facilitated, good stability is achieved, and the convenience of monitoring work is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and gas pipeline displacement monitoring, in particular to a grating optical fiber oil and gas pipeline displacement monitoring mechanism. Background Art

[0002] Oil and gas pipelines refer to special pipelines for transporting oil and gas. With the increase in oil and natural gas production and demand, the number of oil and gas pipelines is increasing. However, due to unstable factors in the construction process and pipeline aging, oil and gas pipelines will undergo a certain degree of settlement and displacement, which can easily lead to accidents such as breakage and leakage. Therefore, it is necessary to monitor the displacement of the joints of the oil and gas pipelines.

[0003] According to a grating optical fiber oil and gas pipeline displacement monitoring system disclosed in Chinese Patent Publication No. CN212988270U, ​​the patent installs the grating optical fiber sensor on the outside of the oil and gas pipeline by means of a detachable connection, and can realize radial adjustment by the cooperation of the active worm and the corresponding lifting worm, so as to adapt to the different monitoring requirements of different pipelines. However, the patent still has certain inconveniences in actual use, because the tops of the two fixed rings are provided with an active worm and a lifting worm, and the grating optical fiber sensor needs to maintain a horizontal state during the monitoring process, resulting in the need to drive the two active worms at the same time when adjusting the height, which is not easy to achieve in the actual operation process, resulting in the operation process is very inconvenient. In this regard, the present application provides a grating optical fiber oil and gas pipeline displacement monitoring mechanism to solve the above problems. 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 grating optical fiber oil and gas pipeline displacement monitoring mechanism, which has the advantages of being able to facilitate radial height adjustment, and solves the problem that the existing grating optical fiber oil and gas pipeline displacement monitoring system is inconvenient to operate during height adjustment.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of being able to facilitate radial height adjustment, the utility model provides the following technical solutions: a grating optical fiber oil and gas pipeline displacement monitoring mechanism, comprising two oil and gas pipeline bodies, the outer sides of the oil and gas pipeline bodies are fitted with a lower fixing ring, the top of the lower fixing ring is detachably connected with an upper fixing ring, the outer sides of the lower fixing ring and the upper fixing ring are both threadedly connected with locking bolts, an adjustment component for radial height adjustment is installed between the tops of the two upper fixing rings, and a monitoring component for monitoring pipeline displacement is installed on the outer side of the adjustment component;

[0008] The adjusting assembly includes two adjusting rods fixedly connected to the tops of the two upper fixing rings respectively, a sliding block being slidably connected to the outer side of the adjusting rod, a first threaded rod being threadedly connected to the front side of the sliding block, a flower-shaped handle being fixedly connected to the front end of the first threaded rod, a pillar fixing clamp being slidably connected to the outer side of the adjusting rod, a second threaded rod being passed through the front side of the pillar fixing clamp, a vertical handle being fixedly connected to the front end of the second threaded rod, and a threaded hole for threading the corresponding second threaded rod is provided on the back side of the pillar fixing clamp.

[0009] Furthermore, the monitoring component includes an installation box fixedly connected between opposite sides of the two sliding blocks, a grating fiber optic sensor body is placed on the inner side of the installation box, a connecting hole located at the bottom of the grating fiber optic sensor body is opened at the bottom of the installation box, support plates are fixedly connected on both sides of the connecting hole, and the inner bottom wall of the installation box is connected to two connecting rings located on the outside of the grating fiber optic sensor body by bolts.

[0010] Furthermore, the inner side of the upper fixing ring is fitted with the outer side of the corresponding oil and gas pipeline body, and the upper fixing ring is connected to the corresponding lower fixing ring by means of bolts and nuts.

[0011] Furthermore, a sliding hole for the corresponding adjusting rod to pass through is opened on the top of the sliding block, and an anti-slip pad is bonded to one end of the back side of the first threaded rod.

[0012] Furthermore, a through hole is formed at the top of the pillar fixing clamp for the corresponding adjusting rod to pass through, and clamp holes connected to the inside of the corresponding through hole are formed on opposite sides of the two pillar fixing clamps, and the top and bottom of the clamp holes are both open.

[0013] Furthermore, the grating optical fiber sensor body is composed of an optical fiber pipeline and a stress grating, and the stress grating is located inside the connecting hole.

[0014] Furthermore, the inner side of the connecting ring fits with the outer side of the optical fiber pipeline, and the bottom of the stress grating fits with the top of the supporting plate.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a grating optical fiber oil and gas pipeline displacement monitoring mechanism, which has the following beneficial effects:

[0017] The grating optical fiber oil and gas pipeline displacement monitoring mechanism can facilitate radial height adjustment through the coordinated use of the lower fixing ring, the upper fixing ring, the adjustment component and the monitoring component, which is convenient for workers to perform adjustment operations and has good stability. At the same time, it is also convenient to adjust the structures on both sides to the same circumferential angle, further improving the convenience of monitoring work, allowing workers to easily and conveniently perform installation and adjustment work, thereby effectively improving the practicality of the grating optical fiber oil and gas pipeline displacement monitoring mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a top view cross-sectional view of the sliding block connection structure in the structure of the utility model;

[0020] Figure 3 It is a top cross-sectional view of the support fixing clamp connection structure in the structure of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the installation box connection structure in the structure of the utility model.

[0022] In the figure: 1 oil and gas pipeline body, 2 lower fixing ring, 3 upper fixing ring, 4 locking bolt, 500 adjustment component, 501 adjustment rod, 502 sliding block, 503 first threaded rod, 504 flower-shaped handle, 505 support fixing clamp, 506 second threaded rod, 507 vertical handle, 508 threaded hole, 600 monitoring component, 601 installation box, 602 grating fiber optic sensor body, 603 connecting hole, 604 support plate, 605 connecting ring. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model provides a technical solution: a grating optical fiber oil and gas pipeline displacement monitoring mechanism, comprising two oil and gas pipeline main bodies 1, a lower fixing ring 2 is attached to the outer side of the oil and gas pipeline main body 1, an upper fixing ring 3 is detachably connected to the top of the lower fixing ring 2, and a locking bolt 4 is threadedly connected to the outer sides of the lower fixing ring 2 and the upper fixing ring 3, an adjusting component 500 for radial height adjustment is installed between the tops of the two upper fixing rings 3, and a monitoring component 600 for monitoring pipeline displacement is installed on the outer side of the adjusting component 500; through the coordinated use of the lower fixing ring 2, the upper fixing ring 3, the adjusting component 500 and the monitoring component 600, radial height adjustment can be conveniently performed, and the staff can conveniently perform adjustment operations, and the mechanism has good stability, and at the same time, the structures on both sides can be conveniently adjusted to the same circumferential angle, which further improves the convenience of monitoring work and allows the staff to easily and conveniently perform installation and adjustment work, thereby effectively improving the practicality of the grating optical fiber oil and gas pipeline displacement monitoring mechanism.

[0025] It should be noted that the inner side of the upper fixing ring 3 fits with the outer side of the corresponding oil and gas pipeline body 1, and the upper fixing ring 3 is connected to the corresponding lower fixing ring 2 by means of bolts and nuts. The upper fixing ring 3 and the lower fixing ring 2 can be installed on the outer side of the oil and gas pipeline body 1 through the cooperation between the upper fixing ring 3 and the lower fixing ring 2. At the same time, the connection cooperation between the bolts and nuts can achieve the effect of detachable and easy installation.

[0026] In this embodiment, the adjustment component 500 is a structure used to facilitate the staff to perform radial height adjustment.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, the adjustment component 500 includes two adjustment rods 501 fixedly connected to the tops of the two upper fixing rings 3 respectively, a sliding block 502 is slidably connected to the outer side of the adjustment rod 501, a first threaded rod 503 is threadedly connected to the front side of the sliding block 502, a flower-shaped handle 504 is fixedly connected to the front end of the first threaded rod 503, a pillar fixing clamp 505 is slidably connected to the outer side of the adjustment rod 501, a second threaded rod 506 is penetrated through the front side of the pillar fixing clamp 505, a vertical handle 507 is fixedly connected to the front end of the second threaded rod 506, and a threaded hole 508 for threading the corresponding second threaded rod 506 is provided on the back side of the pillar fixing clamp 505.

[0028] It should be noted that a sliding hole is provided at the top of the sliding block 502 for the corresponding adjusting rod 501 to pass through, so that the sliding block 502 can slide stably and smoothly on the outside of the corresponding adjusting rod 501, and an anti-slip pad is bonded to one end of the back side of the first threaded rod 503, which can improve the anti-slip performance after locking.

[0029] In addition, a through hole is provided at the top of the pillar fixing clamp 505 for the corresponding adjusting rod 501 to pass through, and clamping holes connected to the corresponding through holes are provided on the opposite sides of the two pillar fixing clamps 505. The top and bottom of the clamping holes are both open. Through the cooperation between the through hole and the clamping hole, when the second threaded rod 506 is rotated, the back side of the pillar fixing clamp 505 can be moved toward the front side or the back side, so that the gap of the clamping hole becomes smaller or larger, so that the pillar fixing clamp 505 can clamp and limit the corresponding adjusting rod 501 through the through hole through the changing gap of the clamping hole.

[0030] The monitoring component 600 in this embodiment is a structure for using grating optical fiber to perform displacement monitoring.

[0031] like Figure 1 and Figure 4 As shown, the monitoring component 600 includes a mounting box 601 fixedly connected between opposite sides of two sliding blocks 502, a grating fiber optic sensor body 602 is placed on the inner side of the mounting box 601, a connecting hole 603 located at the bottom of the grating fiber optic sensor body 602 is opened at the bottom of the mounting box 601, support plates 604 are fixedly connected to the left and right sides of the connecting hole 603, and the inner bottom wall of the mounting box 601 is connected to two connecting rings 605 located on the outside of the grating fiber optic sensor body 602 by bolts.

[0032] It should be noted that the grating fiber optic sensor body 602 is composed of an optical fiber pipeline and a stress grating. The light waves emitted by the optical fiber pipeline and the stress grating monitor the deviation of the pipeline through the different wavelengths of the light waves. It is an existing public monitoring device, so it will not be elaborated on. At the same time, during the operation of the grating fiber optic sensor body 602, it needs to be connected to the power supply equipped on site.

[0033] In addition, the inner side of the connecting ring 605 fits with the outer side of the optical fiber pipeline, and the two connecting rings 605 can play a role in limiting the installation of the grating optical fiber sensor body 602. The stress grating is located inside the connecting hole 603, and the bottom of the stress grating fits with the top of the support plate 604, so that the support plate 604 can play a role in auxiliary support for the grating optical fiber sensor body 602.

[0034] The working principle of the above embodiment is:

[0035] When the displacement of the oil and gas pipeline is monitored, the lower fixing ring 2 is moved to the bottom of the oil and gas pipeline body 1, and the upper fixing ring 3 is connected to the top of the corresponding lower fixing ring 2. Through the cooperation between the corresponding lower fixing ring 2 and the upper fixing ring 3, it can be installed on the outside of the corresponding oil and gas pipeline body 1, and the angles and distances of the two upper fixing rings 3 are adjusted so that the two adjusting rods 501 are symmetrically distributed. The two sliding blocks 502 are moved to the outsides of the two adjusting rods 501 respectively, and the locking bolts 4 are tightened to further improve the stability between the lower fixing ring 2 and the upper fixing ring 3 and the oil and gas pipeline body 1. The installation box 601 is slid to a height that is convenient for monitoring the connection between the two oil and gas pipeline bodies 1, and the flower-shaped handle 504 is turned to adjust the first threaded rod 503 and the corresponding adjusting rod 50 The abutment between the outer sides of 1 realizes the function of abutment limit, so that the installation box 601 can be positioned at this height, the support fixing clamp 505 is slid upward to make it fit with the bottom of the corresponding sliding block 502, and the vertical handle 507 is rotated to drive the second threaded rod 506 to rotate inside the corresponding threaded hole 508, so as to lock the support fixing clamp 505, so that it is clamped and fixed on the outer side of the corresponding adjustment rod 501, and plays an auxiliary supporting role for the bottom of the sliding block 502, so as to further improve the installation stability of the installation box 601, place the grating fiber sensor body 602 inside the installation box 601, lock it by the connecting ring 605, and start the grating fiber sensor body 602 to achieve the effect of displacement monitoring through the change of the wavelength of the light wave.

[0036] Compared with the prior art, the grating optical fiber oil and gas pipeline displacement monitoring mechanism, through the coordinated use of the lower fixing ring 2, the upper fixing ring 3, the adjustment component 500 and the monitoring component 600, can facilitate radial height adjustment, facilitate the adjustment operation by the staff, and has good stability. At the same time, it can also facilitate the adjustment of the structures on both sides to the same circumferential angle, further improving the convenience of the monitoring work, allowing the staff to easily and conveniently perform installation and adjustment work, thereby effectively improving the practicality of the grating optical fiber oil and gas pipeline displacement monitoring mechanism, and solving the problem that the existing grating optical fiber oil and gas pipeline displacement monitoring system is not convenient in the operation process when performing height adjustment.

[0037] The electrical components appearing in the article are all electrically connected to the remote main controller and the portable power supply. The remote main controller can be a conventional known device for remote control of a computer, etc. The portable power supply can be a power supply used at the construction operation site, or it can be other power supply structures with the same functions. The existing publicly available power connection technology will not be described in detail in the article.

[0038] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A grating optical fiber oil and gas pipeline displacement monitoring mechanism, comprising two oil and gas pipeline bodies (1), characterized in that: A lower fixing ring (2) is attached to the outer side of the oil and gas pipeline body (1); an upper fixing ring (3) is detachably connected to the top of the lower fixing ring (2); locking bolts (4) are threadedly connected to the outer sides of the lower fixing ring (2) and the upper fixing ring (3); an adjustment component (500) for radial height adjustment is installed between the tops of the two upper fixing rings (3); and a monitoring component (600) for monitoring pipeline displacement is installed on the outer side of the adjustment component (500); The adjustment assembly (500) comprises two adjustment rods (501) respectively fixedly connected to the tops of two upper fixing rings (3); a sliding block (502) is slidably connected to the outer side of the adjustment rod (501); a first threaded rod (503) is threadedly connected to the front side of the sliding block (502); a flower-shaped handle (504) is fixedly connected to the front end of the first threaded rod (503); a pillar fixing clamp (505) is slidably connected to the outer side of the adjustment rod (501); a second threaded rod (506) is passed through the front side of the pillar fixing clamp (505); a vertical handle (507) is fixedly connected to the front end of the second threaded rod (506); and a threaded hole (508) for threading the corresponding second threaded rod (506) is provided on the back side of the pillar fixing clamp (505).

2. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 1 is characterized by: The monitoring component (600) includes a mounting box (601) fixedly connected between opposite sides of two sliding blocks (502), a grating optical fiber sensor body (602) is placed inside the mounting box (601), a connecting hole (603) located at the bottom of the grating optical fiber sensor body (602) is opened at the bottom of the mounting box (601), support plates (604) are fixedly connected to the left and right sides of the connecting hole (603), and two connecting rings (605) located on the outside of the grating optical fiber sensor body (602) are connected to the inner bottom wall of the mounting box (601) by bolts.

3. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 1 is characterized by: The inner side of the upper fixing ring (3) is fitted with the outer side of the corresponding oil and gas pipeline body (1), and the upper fixing ring (3) is connected to the corresponding lower fixing ring (2) by means of bolts and nuts.

4. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 1, characterized in that: A sliding hole for the corresponding adjusting rod (501) to pass through is provided at the top of the sliding block (502), and an anti-slip pad is bonded to one end of the back side of the first threaded rod (503).

5. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 1, characterized in that: A through hole for the corresponding adjustment rod (501) to pass through is formed at the top of the support fixing clamp (505), and clamp holes communicating with the inside of the corresponding through hole are formed on opposite sides of the two support fixing clamps (505), and the top and bottom of the clamp holes are both open.

6. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 2, characterized in that: The grating optical fiber sensor body (602) is composed of an optical fiber pipeline and a stress grating, and the stress grating is located inside the connecting hole (603).

7. The grating optical fiber oil and gas pipeline displacement monitoring mechanism according to claim 6, characterized in that: The inner side of the connecting ring (605) is fitted with the outer side of the optical fiber pipeline, and the bottom of the stress grating is fitted with the top of the supporting plate (604).

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