CN217587721U - Optical cable fixing device for underground pipeline construction - Google Patents

Abstract

The embodiment of the application provides an optical cable fixing device of buried pipeline construction belongs to long oil and gas pipeline safety monitoring technical field, includes: a base, said base being arcuate such that said base has an outer arcuate surface and an inner arcuate surface; the clamp is arranged on the outer arch surface of the base, an opening and an accommodating cavity are formed in the clamp, and the opening is communicated with the accommodating cavity; the clamping part is arranged on two sides of the opening, so that the size of the opening is smaller than that of the communicating part of the accommodating cavity. Through the optical cable fixing device of buried pipeline construction that this application embodiment provided, can solve long oil gas pipeline and accompany the skew problem in optical cable laying position.

Description

Optical cable fixing device for underground pipeline construction

Technical Field

The embodiment of the application relates to the technical field of safety monitoring of long oil and gas pipelines, in particular to an optical cable fixing device for buried pipeline construction.

Background

The long-distance oil and gas pipeline is an important component of domestic oil and gas gathering, transportation, storage and transportation, belongs to a large-investment petroleum facility, plays an important role in oil and gas resource exploitation, and whether the long-distance oil and gas pipeline is normal or not at present is not only related to the safe production and operation of an oil and gas field, but also directly related to the daily life of thousands of households. Once leakage of a long oil and gas pipeline occurs, serious influence is caused, and huge economic loss is brought. Therefore, the safety production problem of long oil and gas pipelines is strongly concerned in the industry. The oil and gas pipelines in China lack accurate and effective safety monitoring means for a long time. How to develop a more accurate and effective long-distance oil and gas pipeline safety monitoring technology becomes a problem to be solved urgently.

At present, an application case of performing early warning and monitoring on the safety condition of a long oil and gas pipeline by using a distributed optical fiber sensing technology exists, but the technology needs to rely on an optical cable laid in the same ditch of the long oil and gas pipeline for sensing and monitoring, and the standard construction method for laying the optical cable is mainly completed by blowing a backfilled silicon pipe laid in the same ditch of the pipeline, so that the optical cable is difficult to ensure that the interval between the optical cable and the pipeline is equal and the position of the optical cable is the same, and even after some geological changes occur in some special geographical positions, a large position deviation occurs, and partial data collected by a distributed optical fiber sensing system cannot truly reflect the safety state of the pipeline.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an optical cable fixing device for underground pipeline construction, and aims to solve the problem that a long oil and gas transmission pipeline accompanies optical cable laying position deviation.

The embodiment of the application provides an optical cable fixing device of buried pipeline construction, includes:

a base, said base being arcuate such that said base has an outer arcuate surface and an inner arcuate surface;

the clamp is arranged on the outer arch surface of the base, an opening and an accommodating cavity are formed in the clamp, and the opening is communicated with the accommodating cavity;

the clamping part is arranged on two sides of the opening, so that the size of the opening is smaller than that of the communicating part of the accommodating cavity.

Optionally, the clip is provided with at least one.

Optionally, the distance between two of the clips is greater than 50mm.

Optionally, the length of the base is greater than 300mm.

Optionally, the width of the base is greater than 80mm.

Optionally, the clamp is a semi-closed annular cylinder, and the clamp is arranged along the width direction of the clamp.

Optionally, the base, the clamp and the clamping part are integrally formed.

Optionally, the base, the clamp and the clamping part are made of PE.

Has the advantages that:

the application provides an optical cable fixing device for buried pipeline construction, wherein an arched base is arranged, a hoop with an opening and an accommodating cavity is arranged on the base, and clamping parts are arranged on two sides of the opening of the hoop; before laying the optical cable, fixing a plurality of optical cable fixing devices on the outer surface of the long oil and gas transmission pipeline anti-corrosion layer along the length direction of the pipeline, and then sequentially clamping the optical cable into the hoop along the laying direction of the optical cable, so that the optical cable is fixed; like this, alright appear with the problem of effectively avoiding the skew pipeline in optical cable position that leads to because of geographical environment changes, and this optical cable fixing device can make optical cable and pipeline closely laminate for the pipeline safety state data that distributed optical fiber sensing system gathered are more true effective, have expanded the range of application of distributed optical fiber sensing technique in long oil gas pipeline safety monitoring field greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of a cable retaining device according to an embodiment of the present application;

FIG. 2 is a schematic view of a cable retaining device according to an embodiment of the present application;

FIG. 3 is a schematic view of a cable fixing device according to an embodiment of the present disclosure connected to a duct;

fig. 4 is a schematic view of an installation structure of a cable fixing device according to an embodiment of the present application.

Description of reference numerals: 1. a base; 2. clamping a hoop; 3. a clamping part; 5. a pipeline; 6. an optical cable.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the optical cable fixing device for buried pipeline construction disclosed in the embodiments of the present application includes a base 1, a clamp 2, and a clamping part 3.

Specifically, the base 1 is overall arched, and when the base 1 is installed on the pipeline 5, the base 1 can be better attached to the pipeline 5. The arched base 1 is provided with an outer arched surface and an inner arched surface, the outer arched surface is a convex surface of the base 1, the inner arched surface is a concave surface of the base 1, and when the base 1 is installed, the inner arched surface of the base 1 is attached to the pipeline 5.

Referring to fig. 1, the clamp 2 is fixedly connected to the outer arched surface of the base 1, and the clamp 2 is located at the center of the base 1, and the clamp 2 is perpendicular to the arched base 1, i.e. the clamp 2 is arranged in a direction parallel to the central axis of the arched base 1. The hoop 2 is provided with an opening and an accommodating cavity which are communicated, when the optical cable 6 is laid, a part of the optical cable 6 can be put into the accommodating cavity from the opening, so that the hoop 2 fixes the part of the optical cable 6; when installing the cable fixing device, it is necessary to ensure that the opening of the clamp 2 is directed above the conduit 5. The openings and receiving cavities may be sized according to the outer diameter of the optical cable 6 for a particular application.

Referring to fig. 1, the clamping portions 3 are disposed at both sides of the opening of the yoke 2, and the surfaces of the clamping portions 3 are smooth cylindrical surfaces. The setting up of card-tight part 3 can make the opening be less than the size that holds the chamber with the size that holds chamber intercommunication department, like this, after putting into optical cable 6 and holding the intracavity, card-tight part 3 alright deviate from in order to prevent optical cable 6 from holding the intracavity to the fixed effect of clamp 2 to optical cable 6 has further been guaranteed.

When laying the optical cable 6, firstly, the optical cable fixing device is matched with special glue to be adhered on the outer surface of the anticorrosive layer of the long oil and gas transmission pipeline 5, and then the optical cable 6 is sequentially clamped into the hoop 2 along the laying direction of the optical cable 6, so that the optical cable 6 is fixed; like this, alright appear with the problem of effectively avoiding the skew pipeline 5 in optical cable position that leads to because of geographical environment changes, and this optical cable fixing device can make optical cable 6 and pipeline 5 closely laminate for pipeline 5 safety state data that distributed optical fiber sensing system gathered are more true effective, have expanded the range of application of distributed optical fiber sensing technique in long oil gas pipeline 5 safety monitoring field greatly.

Meanwhile, referring to fig. 3, according to the requirement that the laying positions of a plurality of optical cables 6 are different, a plurality of optical cable fixing devices can be installed on the same pipeline 5, and therefore all-around safety monitoring is achieved for the large-diameter oil-gas pipeline 5.

In one embodiment, the clips 2 are provided with at least one.

Specifically, a clamp 2 can be selected for use to the cable fixing device, also can select for use a plurality of clamps 2, specifically according to the 6 quantity of optical cable that need lay on same pipeline 5 and decide.

Meanwhile, the length of the base 1 needs to be set according to the number of the clamps 2, for example, only one clamp 2 is arranged on the base 1, and the length of the base 1 needs to be greater than 300mm; when clamp 2 is provided with two and more than two on base 1, at first need make the interval between two clamp 2 be greater than 50mm, and the length of base 1 then increases correspondingly, promptly, when need set up two clamp 2 on base 1, then the length of base 1 needs to be greater than 350mm. The width of base 1 needs to be greater than 80mm for base 1 and pipeline 5 have bigger area of contact between them, guarantee the connection effect between base 1 and the pipeline 5.

In one embodiment, and as shown in fig. 1 and 2, the band 2 is a semi-closed annular cylinder.

Specifically, the annular cylinder has formed the chamber that holds of clamp 2, and the semi-closed form has formed the opening of clamp 2, and the both ends of clamp 2 with hold the chamber and be the connectivity structure to guarantee normally laying of optical cable 6, clamp 2 sets up along base 1's width direction simultaneously, the length of clamp 2 is the same with base 1's width promptly, make to have more area of contact between clamp 2 and the optical cable 6, improved clamp 2 to the fixed effect of optical cable 6.

In one embodiment, the base 1, the clamp 2 and the clamping part 3 are integrally formed, so that the condition that the base 1, the clamp 2 and the clamping part 3 are broken is reduced; and base 1, clamp 2 and card-tight part 3 all adopt the PE material for base 1, clamp 2 and card-tight part 3 have certain elasticity and toughness, can fix optical cable 6 better, and possess longer life.

Referring to fig. 4, after the installation position is selected, dust cleaning is performed on the surface of the corrosion-resistant layer of the pipeline 5, floating soil on the surface is wiped off, then special glue is uniformly applied to the inner arch surface of the base 1, the inner arch surface is pressed on the surface of the pipeline 5 which is just cleaned, the surface needs to be continuously pressed for more than ten minutes, an optical cable fixing device is glued every 6 meters according to the laying direction of the optical cable 6, and then the optical cable 6 is sequentially clamped into each optical cable fixing device so that the optical cable on the pipeline can be fixed.

It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

It should also be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Moreover, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions or should not be construed as indicating or implying relative importance. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising one of 8230 \8230;" does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.

The technical solutions provided by the present application are described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understanding the present application, and the content of the present description should not be construed as limiting the present application. While various modifications of the illustrative embodiments and applications will be apparent to those skilled in the art based upon this disclosure, it is not necessary or necessary to exhaustively enumerate all embodiments, and all obvious variations and modifications can be resorted to, falling within the scope of the disclosure.

Claims (8)

1. The utility model provides an optical cable fixing device for buried pipeline construction which characterized in that:

a base, said base being arcuate such that said base has an outer arcuate surface and an inner arcuate surface;

the clamp is arranged on the outer arch surface of the base, an opening and an accommodating cavity are formed in the clamp, and the opening is communicated with the accommodating cavity;

the clamping part is arranged on two sides of the opening, so that the size of the opening is smaller than that of the communicating part of the accommodating cavity.

2. The optical cable fixing device for underground pipe construction according to claim 1, wherein:

the clamp is provided with at least one.

3. The optical cable fixing device for underground pipe construction according to claim 2, wherein:

the distance between the two hoops is larger than 50mm.

4. An optical cable fixing device for underground pipe construction according to claim 1, wherein:

the length of the base is larger than 300mm.

5. The optical cable fixing device for underground pipe construction according to claim 1, wherein:

the width of the base is larger than 80mm.

6. An optical cable fixing device for underground pipe construction according to claim 1, wherein:

the clamp is semi-closed annular cylinder, just the clamp is along the width direction setting of base.

7. An optical cable fixing device for underground pipe construction according to claim 1, wherein:

the base the clamp with chucking portion integrated into one piece sets up.

8. The optical cable fixing device for underground piping construction according to claim 7, wherein:

the base, the clamp with the material of chucking part is PE.

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