CN215806972U

CN215806972U - Pipeline connecting and assembling structure for seabed

Info

Publication number: CN215806972U
Application number: CN202121465178.5U
Authority: CN
Inventors: 孟万里
Original assignee: Shandong Sonic Petroleum Industry Technology Research Institute Co ltd
Current assignee: Shandong Sonic Petroleum Industry Technology Research Institute Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-11
Anticipated expiration: 2031-06-28

Abstract

The utility model belongs to the field of pipeline installation, and particularly relates to a pipeline connecting and assembling structure for a seabed, which comprises a pipe body, wherein an internal pipeline of the pipe body is provided with a corrosion-resistant layer, a compression-resistant layer is tightly attached to the lower part of the corrosion-resistant layer, a reinforcing layer is tightly attached to the lower part of the compression-resistant layer, and a flange is fixedly arranged on the periphery of the reinforcing layer; through the base, the draw-in groove, first cardboard, first spring, the fixed block, the second spring, the structural design of buckle and second cardboard, the function of the quick butt joint of pipeline assembly has been realized, it mostly connects through the mode of bolt joint to have solved the pipeline, but because from long-term bubble can lead to being corroded in the sea water, can lead to the body to drop, the condition of leaking takes place, harm marine environment, and the pipeline is in the sea water long-term influence of pressure and seawater corrosion, lead to the life cycle of pipeline to reduce, dismantle comparatively troublesome problem when changing the pipeline, the efficiency of pipeline at seabed installation has been improved.

Description

Pipeline connecting and assembling structure for seabed

Technical Field

The utility model relates to the field of pipeline installation, in particular to a pipeline connecting and assembling structure for a seabed.

Background

The submarine pipeline is a pipeline for continuously conveying a large amount of oil (gas) on the seabed through a closed pipeline, is a main component of an offshore oil (gas) field development and production system, is also the fastest, safest, economic and reliable offshore oil and gas transportation mode, can be continuously conveyed, is hardly influenced by environmental conditions, cannot force production reduction or production stop of an oil field due to capacity limitation of offshore oil storage facilities or untimely receiving and transporting of shuttle tankers, and has the advantages of high oil conveying efficiency, large oil conveying capacity, short construction period of submarine pipeline laying, quick production, convenient management and low operation cost.

The submarine laying of oil pipelines is a difficult ocean engineering, because it needs to face the sea condition and weather change with severe operation conditions, when the submarine laying of oil pipelines, professional construction ships and equipment are generally needed, and the whole construction scheme is complex.

Current pipeline is mostly connected through the mode of bolt connection, but because can lead to being corroded in the sea water from long-term bubble, can lead to the body to drop, the condition of leaking takes place, endangers marine environment to the pipeline receives the influence of pressure and sea water corrosion in the sea water for a long time, leads to the life cycle of pipeline to reduce, and it is comparatively troublesome to dismantle when changing the pipeline.

Therefore, the pipeline connecting and splicing structure for the seabed is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art, the problem that pipelines are mostly connected in a bolting mode, but the pipelines are corroded due to long-term soaking in seawater, the pipelines can fall off, leakage is caused, the marine environment is damaged, the service life of the pipelines is shortened due to the influence of pressure and seawater corrosion on the pipelines in the seawater for a long time, and the pipelines are troublesome to disassemble when replaced is solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a pipeline connecting and assembling structure for seabed, which comprises a pipe body, wherein a corrosion-resistant layer is arranged on an inner pipeline of the pipe body, a compression-resistant layer is tightly attached to the lower part of the corrosion-resistant layer, a reinforcing layer is tightly attached to the lower part of the compression-resistant layer, a flange is fixedly arranged on the periphery of the reinforcing layer, a bolt is fixedly arranged on the outer surface of the flange and comprises a rubber pad, threads and a screw rod, the screw rod is fixedly connected to the lower part of the rubber pad, the threads are fixedly arranged on the outer surface of the screw rod, and a base is fixedly welded inside the left side of the bolt.

The utility model discloses a fixed buckle, including base, first cardboard, top fixed surface of first cardboard, the left side fixedly connected with fixed block of base, the below of fixed block is fixed to be set for has first cardboard, the top fixed mounting of first cardboard has first spring, the top parallel arrangement of first spring has the second spring, the top fixedly connected with second cardboard of second spring, the fixed buckle that has been set for of outside surface of second cardboard, the peripheral fixed setting of buckle has the draw-in groove, the outside fixed mounting of draw-in groove has the fixed knot, the middle fixedly connected with connecting rod of fixed knot.

Preferably, the inner size of the pipe body is matched with the outer size of the corrosion-resistant layer, the outer surface of the corrosion-resistant layer is tightly attached to the outer surface of the pressure-resistant layer, the whole protection performance of the pipe body is improved through the matching of the pipe body, the corrosion-resistant layer and the pressure-resistant layer, the corrosion-resistant function and the pressure-resistant function are achieved, the influence of sea and commander is reduced, and the service life of the pipe body is prolonged.

Preferably, coincide each other between the axis of enhancement layer and the axis of flange, and closely laminate between the external surface of flange and the external surface of bolt, through the cooperation of enhancement layer, flange and bolt, improve pipeline concatenation efficiency and strengthen the leakproofness between the pipeline, avoid sea water infiltration and resource to leak, improve pipeline safety in utilization.

Preferably, coincide each other between the axis of cushion and the axis of screw thread, and closely laminate between the external surface of screw thread and the external surface of screw rod, through the cooperation of cushion, screw thread and screw rod for fastening effect to the pipeline improves, and is sealed effectual, reduces the nonconformity of pipeline concatenation, improves the transportation work efficiency of pipeline.

Preferably, the external surface of base and the external surface of fixed block between closely laminate, and mutually perpendicular between the axis of fixed block and the external surface of first cardboard, through the cooperation of base, fixed block and first cardboard, have better concatenation effect to improve the degree of agreeing with of pipeline concatenation, reduce the possibility that the leakage accident takes place.

Preferably, identical between the external dimension of first spring and the external dimension of second spring, and coincide each other between the axis of second spring and the axis of first spring, through the cooperation of first spring and second spring, make things convenient for the concatenation work of pipeline, improve the speed of pipeline concatenation to do benefit to the advantage of spring itself, can reduce the possibility of buckle locking, improve safety and concatenation efficiency.

Preferably, closely laminate between the external surface of second cardboard and the external surface of buckle, and constitute the block structure between buckle and the draw-in groove, through second cardboard, buckle and draw-in groove, make things convenient for the quick concatenation between the pipeline, improve the concatenation efficiency of pipeline and reduce the possibility that the pipeline does not coincide.

Preferably, be parallel to each other between the axis of fixed knot and the axis of connecting rod, and mutually perpendicular between the axis of connecting rod and the fixed external surface who detains, through the cooperation of fixed knot and connecting rod, improve the leakproofness of pipeline concatenation, reduce the phenomenon of leaking and play supplementary fixed action to the pipeline concatenation.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the base, the clamping groove, the first clamping plate, the first spring, the fixed block, the second spring, the buckle and the second clamping plate, the function of rapid butt joint and assembly of the pipeline is realized, and the problems that the pipeline is mostly connected in a bolting mode, but the pipeline body is corroded due to long-term soaking in seawater, the pipeline body falls off, the leakage condition is caused, the marine environment is damaged, the service cycle of the pipeline is reduced due to the influence of pressure and seawater corrosion on the pipeline in seawater for a long time, the pipeline is troublesome to disassemble when being replaced are solved, and the efficiency of the pipeline installation in the seabed is improved;

2. according to the utility model, through the matching of the pipe body, the corrosion-resistant layer and the pressure-resistant layer, the overall protection performance of the pipe body is improved, the corrosion-resistant function and the pressure-resistant function are realized, the influence of sea and general is reduced, the service life of the pipe body is prolonged, through the matching of the base, the fixing block and the first clamping plate, a better splicing effect is realized, the conjunction degree of pipeline splicing is improved, the possibility of leakage accidents is reduced, through the matching of the first spring and the second spring, the pipeline splicing work is facilitated, the pipeline splicing speed is increased, the advantages of the springs are facilitated, the possibility of buckle locking can be reduced, and the safety and the splicing efficiency are improved.

Drawings

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

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic view of the bolt structure of the present invention;

fig. 5 is an enlarged view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a pipe body; 2. a bolt; 201. a rubber pad; 202. a thread; 203. a screw; 3. a flange; 4. a fixing buckle; 5. a connecting rod; 6. a base; 7. a card slot; 8. a first clamping plate; 9. a first spring; 10. a fixed block; 11. a second spring; 12. buckling; 13. a second clamping plate; 14. a corrosion-resistant layer; 15. a pressure resistant layer; 16. and a reinforcing layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-5, a pipeline connecting and assembling structure for seabed comprises a pipe body 1, an inner pipeline of the pipe body 1 is provided with a corrosion-resistant layer 14, a compression-resistant layer 15 is tightly attached to the lower portion of the corrosion-resistant layer 14, a reinforcing layer 16 is tightly attached to the lower portion of the compression-resistant layer 15, a flange 3 is fixedly mounted on the periphery of the reinforcing layer 16, a bolt 2 is fixedly mounted on the outer surface of the flange 3, the bolt 2 comprises a rubber mat 201, a thread 202 and a screw rod 203, a screw rod 203 is fixedly connected to the lower portion of the rubber mat 201, a thread 202 is fixedly provided on the outer surface of the screw rod 203, and a base 6 is fixedly welded inside the left side of the bolt 2.

A fixed block 10 is fixedly connected to the left side of the base 6, a first clamping plate 8 is fixedly arranged below the fixed block 10, a first spring 9 is fixedly arranged above the first clamping plate 8, a second spring 11 is parallelly arranged above the first spring 9, a second clamping plate 13 is fixedly connected above the second spring 11, a buckle 12 is fixedly arranged on the outer surface of the second clamping plate 13, a clamping groove 7 is fixedly arranged on the periphery of the buckle 12, a fixing buckle 4 is fixedly arranged on the outer portion of the clamping groove 7, and a connecting rod 5 is fixedly connected in the middle of the fixing buckle 4; the during operation, through base 6, draw-in groove 7, first cardboard 8, first spring 9, fixed block 10, second spring 11, buckle 12 and second cardboard 13's structural design, the function of the quick butt joint of pipeline is assembled has been realized, the pipeline has been solved and has mostly been connected through the mode of bolt, but because from long-term bubble can lead to being corroded in the sea water, probably lead to body 1 to drop, the condition of leaking takes place, harm marine environment, and the pipeline is in the sea water long-term influence of pressure and sea water corrosion, lead to the life cycle of pipeline to reduce, dismantle comparatively trouble problem when changing the pipeline, the efficiency of pipeline at seabed installation has been improved.

The inner size of the pipe body 1 is matched with the outer size of the corrosion-resistant layer 14, and the outer surface of the corrosion-resistant layer 14 is tightly attached to the outer surface of the pressure-resistant layer 15; during operation, through the cooperation of body 1, corrosion-resistant layer 14 and resistance to compression layer 15, improve the holistic protectiveness of body 1, have corrosion-resistant function and resistance to compression function, reduce the influence of sea commander, improve the life of body 1.

The central axis of the reinforcing layer 16 and the central axis of the flange 3 are superposed with each other, and the outer surface of the flange 3 and the outer surface of the bolt 2 are tightly attached; during operation, through the cooperation of enhancement layer 16, flange 3 and bolt 2, improve pipeline concatenation efficiency and reinforcing leakproofness between the pipeline, avoid sea water infiltration and resource to leak, improve pipeline safety in utilization.

The central axis of the rubber pad 201 and the central axis of the thread 202 are overlapped, and the outer surface of the thread 202 and the outer surface of the screw 203 are tightly attached; during operation, through the cooperation of cushion 201, screw thread 202 and screw rod 203 for the fastening effect to the pipeline improves, and is sealed effectual, reduces the misalignment nature of pipeline concatenation, improves the transportation work efficiency of pipeline.

The outer surface of the base 6 is tightly attached to the outer surface of the fixing block 10, and the central axis of the fixing block 10 is perpendicular to the outer surface of the first clamping plate 8; during operation, through the cooperation of base 6, fixed block 10 and first cardboard 8, have better concatenation effect to improve the degree of agreeing with of pipeline concatenation, reduce the possibility that the leakage accident takes place.

The external dimension of the first spring 9 is matched with the external dimension of the second spring 11, and the central axis of the second spring 11 is matched with the central axis of the first spring 9; during operation, through the cooperation of first spring 9 and second spring 11, make things convenient for the concatenation work of pipeline, improve the speed of pipeline concatenation to do benefit to the advantage of spring itself, can reduce the possibility of buckle 12 locking, improve safety and concatenation efficiency.

The outer surface of the second clamping plate 13 is tightly attached to the outer surface of the buckle 12, and a clamping structure is formed between the buckle 12 and the clamping groove 7; during operation, through second cardboard 13, buckle 12 and draw-in groove 7, make things convenient for the quick concatenation between the pipeline, improve the concatenation efficiency of pipeline and reduce the possibility that the pipeline is misaligned.

The central axis of the fixing buckle 4 is parallel to the central axis of the connecting rod 5, and the central axis of the connecting rod 5 is perpendicular to the outer surface of the fixing buckle 4; during operation, through the cooperation of fixed knot 4 and connecting rod 5, improve the leakproofness of pipeline concatenation, reduce the phenomenon of leaking and play supplementary fixed action to the pipeline concatenation.

The theory of operation, through the flange 3 that will install on body 1 docks, thereby be connected with draw-in groove 7 through the block mechanism that base 6, first cardboard 8, fixed block 10, second cardboard 13 and buckle 12 constitute and make the pipeline assemble the connection, assemble the connection through fixed 4 and connecting rod 5 to the pipeline and consolidate, make the connection of pipeline easier, fix through bolt 2 at last to reach a fine leakproofness.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a structure is assembled with pipe connection in seabed which characterized in that: the pipe comprises a pipe body (1), wherein a corrosion-resistant layer (14) is set in an inner pipeline of the pipe body (1), a pressure-resistant layer (15) is tightly attached to the lower portion of the corrosion-resistant layer (14), a reinforcing layer (16) is tightly attached to the lower portion of the pressure-resistant layer (15), a flange (3) is fixedly installed on the periphery of the reinforcing layer (16), a bolt (2) is fixedly installed on the outer surface of the flange (3), the bolt (2) comprises a rubber gasket (201), a thread (202) and a screw rod (203), the screw rod (203) is fixedly connected to the lower portion of the rubber gasket (201), the thread (202) is fixedly set on the outer surface of the screw rod (203), and a base (6) is fixedly welded inside the left side of the bolt (2);

the utility model discloses a fixed buckle, including base (6), the fixed connection of left side fixedly connected with fixed block (10) of base (6), the below of fixed block (10) is fixed to be set for has first cardboard (8), the top fixed mounting of first cardboard (8) has first spring (9), the top parallel arrangement of first spring (9) has second spring (11), the top fixedly connected with second cardboard (13) of second spring (11), the fixed external surface of second cardboard (13) is set for has buckle (12), the peripheral fixed setting of buckle (12) has draw-in groove (7), the outside fixed mounting of draw-in groove (7) has fixed knot (4), the fixed middle fixedly connected with connecting rod (5) of detaining (4).

2. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the inner size of the pipe body (1) is matched with the outer size of the corrosion-resistant layer (14), and the outer surface of the corrosion-resistant layer (14) is tightly attached to the outer surface of the pressure-resistant layer (15).

3. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the central axis of the reinforcing layer (16) and the central axis of the flange (3) are superposed with each other, and the outer surface of the flange (3) is tightly attached to the outer surface of the bolt (2).

4. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the central axis of the rubber pad (201) and the central axis of the thread (202) are overlapped, and the outer surface of the thread (202) and the outer surface of the screw (203) are tightly attached.

5. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the outer surface of the base (6) is tightly attached to the outer surface of the fixing block (10), and the central axis of the fixing block (10) is perpendicular to the outer surface of the first clamping plate (8).

6. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the external dimension of the first spring (9) is matched with the external dimension of the second spring (11), and the central axis of the second spring (11) is superposed with the central axis of the first spring (9).

7. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the outer surface of the second clamping plate (13) is tightly attached to the outer surface of the buckle (12), and a clamping structure is formed between the buckle (12) and the clamping groove (7).

8. The pipeline connecting and splicing structure for the seabed as claimed in claim 1, wherein: the central axis of the fixing buckle (4) is parallel to the central axis of the connecting rod (5), and the central axis of the connecting rod (5) is perpendicular to the outer surface of the fixing buckle (4).