CN215445563U - Online maintenance device for natural gas pipeline - Google Patents
Online maintenance device for natural gas pipeline Download PDFInfo
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- CN215445563U CN215445563U CN202121423767.7U CN202121423767U CN215445563U CN 215445563 U CN215445563 U CN 215445563U CN 202121423767 U CN202121423767 U CN 202121423767U CN 215445563 U CN215445563 U CN 215445563U
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Abstract
The utility model discloses a natural gas pipeline online maintenance device which comprises a first arc-shaped plate and a second arc-shaped plate, wherein the cross sections of the first arc-shaped plate and the second arc-shaped plate in the width direction are semicircular; the two sides of the first arc-shaped plate and the second arc-shaped plate in the width direction are bent outwards to form fixing parts with horizontal connecting surfaces, and the fixing parts of the first arc-shaped plate and the second arc-shaped plate are fixedly connected through a fixing device; the inner surfaces of the two ends of the first arc-shaped plate and the second arc-shaped plate are correspondingly provided with sealing grooves, and elastic sealing strips are arranged in the sealing grooves. The natural gas pipeline sealing device is simple and reasonable in structure and high in practicability, the natural gas leakage position can be blocked due to corrosion perforation of the natural gas pipeline by arranging the first arc-shaped plate, the second arc-shaped plate, the fixing device and the elastic sealing strip which are matched with each other, so that the natural gas pipeline leakage position can be maintained on line, the natural gas pipeline does not need to be disassembled, the operation is convenient, the maintenance efficiency is high, and the maintenance cost is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of natural gas pipeline maintenance, in particular to a natural gas pipeline online maintenance device.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and is a way for conveying a large amount of natural gas on land. The natural gas pipeline is assembled by connecting a plurality of pipelines one by one. Because natural gas often contains a large amount of corrosive gases, such as hydrogen sulfide, carbon dioxide and the like, and part of the natural gas has a large amount of water and solid-phase particles after being extracted, before the purification station completes purification, the natural gas pipeline of the purification station is damaged to a certain extent, particularly the natural gas pipeline before being conveyed to the purification station has strong corrosivity, and natural gas leakage is easy to occur due to corrosion perforation.
Rapid and effective repairs must be made when leaks occur in natural gas pipelines. The existing natural gas pipeline maintenance device needs to stop production to disassemble and repair the pipeline, which not only influences production, but also has high maintenance cost. Therefore, how to realize the on-line maintenance of the natural gas pipeline is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an online maintenance device for a natural gas pipeline, which is used for realizing online maintenance of a leakage part of the natural gas pipeline.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a natural gas pipeline online maintenance device which comprises a first arc-shaped plate and a second arc-shaped plate, wherein the cross sections of the first arc-shaped plate and the second arc-shaped plate in the width direction are semicircular;
the two sides of the first arc-shaped plate and the second arc-shaped plate in the width direction are bent outwards to form fixing parts with horizontal connecting surfaces, and the fixing parts of the first arc-shaped plate and the second arc-shaped plate are fixedly connected through a fixing device;
the inner surfaces of the two ends of the first arc-shaped plate and the second arc-shaped plate are correspondingly provided with sealing grooves, and elastic sealing strips are installed in the sealing grooves.
Preferably, the inner surfaces of the two ends of the first arc-shaped plate and the second arc-shaped plate are respectively provided with two sealing grooves at intervals, and one elastic sealing strip is installed in each sealing groove.
Preferably, an accommodating groove for accommodating a sealant is formed in the inner surface of the arc plate between the two elastic sealing strips at each end of the first arc plate and the second arc plate, and the accommodating groove extends along the width direction of the first arc plate or the second arc plate and penetrates through the end parts at two sides of the width direction of the first arc plate or the second arc plate;
the feed port has been seted up to the surface of first arc or second arc, the feed port with correspond the holding tank intercommunication, the end cap is installed to detachably in the feed port.
Preferably, the inner wall of the feeding hole is provided with an internal thread, the outer wall of the plug is provided with an external thread matched with the internal thread of the inner wall of the feeding hole, and the plug is in threaded connection with the feeding hole.
Preferably, the sealant is a thermosetting epoxy resin.
Preferably, a sealing gasket is fixedly arranged on the horizontal connecting surface of the fixing part of the first arc-shaped plate and the second arc-shaped plate along the length direction.
Preferably, the fixing device comprises a bolt and a nut, and through holes for the bolt to pass through are formed in the fixing portions of the first arc-shaped plate and the second arc-shaped plate.
Preferably, the outer wall of the first arc-shaped plate or the second arc-shaped plate is fixedly provided with a supporting block, and one surface of the supporting block, which is far away from the first arc-shaped plate or the second arc-shaped plate, is a horizontal supporting surface.
Preferably, the support block is integrally formed with the first arc plate or the second arc plate.
The utility model has the beneficial effects that:
the natural gas pipeline sealing device is simple and reasonable in structure and strong in practicability, one of the first arc-shaped plates and the second arc-shaped plate which are matched with each other is arranged, when in maintenance, one of the first arc-shaped plates and the second arc-shaped plate is wrapped at a natural gas leakage position of a natural gas pipeline due to corrosion perforation, the other arc-shaped plate is butted with the first arc-shaped plate and the second arc-shaped plate to enclose a cylindrical structure to wrap the natural gas pipeline, and fixing parts of the two arc-shaped plates are fixedly connected through the fixing device.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic side view of an on-line maintenance device for a natural gas pipeline according to an embodiment of the present invention;
FIG. 2 is a schematic front view of an on-line maintenance device for a natural gas pipeline according to an embodiment of the present invention;
fig. 3 is a sectional view a-a in fig. 1.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 3, the present embodiment provides an online maintenance device for a natural gas pipeline, which includes a first arc-shaped plate 1 at an upper portion and a second arc-shaped plate 2 at a lower portion, wherein cross sections of the first arc-shaped plate 1 and the second arc-shaped plate 2 in a width direction are semicircular; the two sides of the first arc-shaped plate 1 and the second arc-shaped plate 2 in the width direction are bent outwards to form a fixing part 3 with a horizontal connecting surface, and the fixing part 3 of the first arc-shaped plate 1 and the fixing part 3 of the second arc-shaped plate 2 are fixedly connected through a fixing device 4; the sealing groove 5 has been seted up to the both ends internal surface correspondence of first arc 1 and second arc 2, installs elastic sealing strip 6 in the sealing groove 5.
In this embodiment, the working principle of the online maintenance device for the natural gas pipeline 100 is as follows:
through setting up first arc 1 and second arc 2 of mutually supporting, during the maintenance, take place the leak point 101 that natural gas leaked because of corroding the perforation with one of them arc parcel at natural gas line 100, then with another arc rather than butt joint, enclose into a cylindric structure and live natural gas line 100 parcel, rethread fixing device 4 is connected fixedly with the fixed part 3 of two arcs, because the both ends of first arc 1 and second arc 2 all correspond and are equipped with elastic sealing strip 6, can effectively prevent the natural gas and leak, realize the shutoff to the leak point 101 of natural gas line 100, thereby realize the online maintenance to natural gas line 100 leakage position, need not to dismantle natural gas line 100, and convenient for operation, the maintenance efficiency is high, effectively reduce cost of maintenance.
In one embodiment, two sealing grooves 5 are respectively arranged on the inner surfaces of the two ends of the first arc-shaped plate 1 and the second arc-shaped plate 2 at intervals, and an elastic sealing strip 6 is installed in each sealing groove 5. In this way, two seals are respectively arranged at two ends of the leakage point 101 of the natural gas pipeline 100, so that the sealing effect is improved, and the natural gas leaked from the leakage point 101 of the natural gas pipeline 100 after being repaired is better prevented from leaking from the maintenance device.
In one embodiment, an accommodating groove 7 for accommodating a sealant 8 is formed in the inner surface of the arc plate between the two elastic sealing strips 6 at each end of the first arc plate 1 and the second arc plate 2, and the accommodating groove 7 extends along the width direction of the first arc plate 1 or the second arc plate 2 and penetrates through the end portions of the two sides of the first arc plate 1 or the second arc plate 2 in the width direction; feed port 9 has been seted up to the surface of first arc 1 or second arc 2, feed port 9 and the holding tank 7 intercommunication that corresponds, and detachably installs end cap 10 in the feed port 9. Fix behind natural gas line 100 leak point 101 through the installation of fixing device 4 with first arc 1 and second arc 2, can dismantle end cap 10, will seal glue 8 and pour into to holding tank 7 in from feed port 9, fill holding tank 7, the back is filled up to holding tank 7, block up feed port 9 with end cap 10, then sealed glue 8 in the holding tank 7 forms new one sealed, further strengthen maintenance device's sealed effect, the natural gas of avoiding repairing the natural gas line 100 leak point 101 leaks is leaked from maintenance device.
In one embodiment, the inner wall of the feed hole 9 is provided with internal threads, the outer wall of the plug 10 is provided with external threads matched with the internal threads of the inner wall of the feed hole 9, and the plug 10 is in threaded connection with the feed hole 9. The feeding hole 9 is connected with the plug 10 through threads, so that the assembly and disassembly are convenient, and the injection operation of the sealant 8 is convenient.
In one embodiment, the sealant 8 is a thermosetting epoxy resin. Sealant 8 adopts thermosetting epoxy resin, and after being injected into the accommodating groove 7, the maintenance device is heated, and then the sealant 8 is cured to form rigid sealing, so that the sealing effect is enhanced.
In one embodiment, a gasket 11 is fixedly arranged on the horizontal connecting surface of the fixing part 3 of the first arc-shaped plate 1 and the second arc-shaped plate 2 along the length direction. After the first arc-shaped plate 1 and the second arc-shaped plate 2 are connected and fixed through the sealing gasket 11, the horizontal connecting surfaces of the fixing parts 3 of the first arc-shaped plate and the second arc-shaped plate are combined more tightly,
in one embodiment, the fixing device 4 comprises a bolt 41 and a nut 42, and the fixing portions 3 of the first arc-shaped plate 1 and the second arc-shaped plate 2 are respectively provided with a through hole for the bolt 41 to pass through. After the first arc-shaped plate 1 and the second arc-shaped plate 2 are butted, the bolt 41 is inserted into the through hole, the screw rod end of the bolt 41 is sleeved with the nut 42, and then the nuts 42 on the two sides of the arc-shaped plates are alternately screwed. The first arc-shaped plate 1 and the second arc-shaped plate 2 are fixedly connected through the bolts 41 and the nuts 42, the structure is simple, and the operation is fast. In particular, in some other embodiments, the fixing device 4 may also adopt a snap structure or other structures capable of connecting and fixing the first arc-shaped plate 1 and the second arc-shaped plate 2.
In one embodiment, a supporting block 12 is fixedly arranged on the outer wall of the second arc-shaped plate 2, and one surface of the supporting block 12 far away from the second arc-shaped plate 2 is a horizontal supporting surface. Through setting up supporting shoe 12, when first arc 1 and second arc 2 are installed, can install the second arc 2 of supporting shoe 12 earlier, then support on supporting shoe 12 through bearing structure such as jack, withhold second arc 2, detain first arc 1 on second arc 2 again, then connect fixedly first arc 1 and second arc 2 through adjustment fixing device 4. Like this, be convenient for first arc 1 and second arc 2's installation and connection are fixed, improve maintenance efficiency.
In one embodiment, the support block 12 is integrally formed with the second arcuate plate 2. Therefore, the firmness of connection between the second arc-shaped plate 2 and the supporting block 12 can be enhanced, the number of parts is effectively reduced, and the production efficiency of the production and maintenance device is improved.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. The online maintenance device for the natural gas pipeline is characterized by comprising a first arc-shaped plate and a second arc-shaped plate, wherein the cross sections of the first arc-shaped plate and the second arc-shaped plate in the width direction are semicircular;
the two sides of the first arc-shaped plate and the second arc-shaped plate in the width direction are bent outwards to form fixing parts with horizontal connecting surfaces, and the fixing parts of the first arc-shaped plate and the second arc-shaped plate are fixedly connected through a fixing device;
the inner surfaces of the two ends of the first arc-shaped plate and the second arc-shaped plate are correspondingly provided with sealing grooves, and elastic sealing strips are installed in the sealing grooves.
2. The on-line maintenance device for the natural gas pipeline according to claim 1, wherein two sealing grooves are respectively arranged on the inner surfaces of the two ends of the first arc-shaped plate and the second arc-shaped plate at intervals, and one elastic sealing strip is installed in each sealing groove.
3. The online maintenance device for the natural gas pipeline according to claim 2, wherein a containing groove for containing sealant is formed in the inner surface of the arc plate between the two elastic sealing strips at each end of the first arc plate and the second arc plate, and the containing groove extends along the width direction of the first arc plate or the second arc plate and penetrates through the end parts at two sides of the first arc plate or the second arc plate in the width direction;
the feed port has been seted up to the surface of first arc or second arc, the feed port with correspond the holding tank intercommunication, the end cap is installed to detachably in the feed port.
4. The on-line maintenance device for the natural gas pipeline as claimed in claim 3, wherein the inner wall of the feeding hole is provided with internal threads, the outer wall of the plug is provided with external threads matched with the internal threads of the inner wall of the feeding hole, and the plug is in threaded connection with the feeding hole.
5. The on-line natural gas pipeline maintenance device of claim 3, wherein the sealant is a thermosetting epoxy resin.
6. The on-line maintenance device for the natural gas pipeline according to claim 1, wherein a sealing gasket is fixedly arranged on the horizontal connecting surface of the fixing part of the first arc-shaped plate and the fixing part of the second arc-shaped plate along the length direction.
7. The online maintenance device for the natural gas pipeline according to any one of claims 1 to 6, wherein the fixing device comprises a bolt and a nut, and through holes for the bolt to pass through are formed in the fixing parts of the first arc-shaped plate and the second arc-shaped plate.
8. The on-line maintenance device for the natural gas pipeline according to claim 7, wherein a supporting block is fixedly arranged on the outer wall of the first arc-shaped plate or the second arc-shaped plate, and one surface of the supporting block, which is far away from the first arc-shaped plate or the second arc-shaped plate, is a horizontal supporting surface.
9. The on-line natural gas pipeline maintenance device of claim 8, wherein the support block is integrally formed with the first or second arcuate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423767.7U CN215445563U (en) | 2021-06-25 | 2021-06-25 | Online maintenance device for natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423767.7U CN215445563U (en) | 2021-06-25 | 2021-06-25 | Online maintenance device for natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215445563U true CN215445563U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121423767.7U Active CN215445563U (en) | 2021-06-25 | 2021-06-25 | Online maintenance device for natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215445563U (en) |
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2021
- 2021-06-25 CN CN202121423767.7U patent/CN215445563U/en active Active
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