CN214222334U - Be applicable to big pipe diameter ocean flexible line joint - Google Patents
Be applicable to big pipe diameter ocean flexible line joint Download PDFInfo
- Publication number
- CN214222334U CN214222334U CN202023047110.3U CN202023047110U CN214222334U CN 214222334 U CN214222334 U CN 214222334U CN 202023047110 U CN202023047110 U CN 202023047110U CN 214222334 U CN214222334 U CN 214222334U
- Authority
- CN
- China
- Prior art keywords
- joint
- sealing
- outer sleeve
- plug
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a marine flexible pipeline joint suitable for large pipe diameters, which comprises a joint front end and a joint outer sleeve, wherein the joint front end and the joint outer sleeve are respectively composed of an upper group of joint mechanisms and a lower group of joint mechanisms which are symmetrically arranged; the internal design of the joint adopts a tightening mode of combining machinery and epoxy resin, so that the mechanical connection of all layers of the flexible pipeline is ensured, the bearing force action of a tensile armor layer of the flexible pipeline is improved, the design of a framework layer fixing part ensures that the framework layer cannot generate axial displacement in the joint, the sealing mode of the joint adopts a sealing mode of combining machinery and a secondary sealing element, and the sealing performance of the joint, an internal pressure sealing layer, a middle coating layer and an external coating layer is effectively improved.
Description
Technical Field
The utility model relates to a connect, especially relate to a be applicable to big pipe diameter flexible pipeline in ocean and connect belongs to flexible pipeline in ocean technical field.
Background
The submarine pipeline is a main carrier for marine oil and gas transmission, the flexible pipeline is used as an upgrading and updating product of a steel pipe, has the characteristics of high flexibility, low construction cost, strong corrosion resistance, strong terrain adaptability and reusability, is suitable for various pipeline applications such as mixed transportation, oil transportation, gas transportation, water injection, chemical agents, deep sea risers, jumper pipes and the like in marine oil and gas exploitation, and currently, the adoption of non-bonded flexible pipelines to replace the steel pipe is considered in more and more oil field development. Because the continuous length of the flexible pipeline is limited, the end parts of each pipeline are provided with joints, the joints play a role in connecting the end parts of the flexible pipelines, well heads, stand pipes and buoys, the sealing performance, the strength and the service life of the traditional pipeline joint cannot meet the use requirements along with the increase of the pressure and the caliber of the pipeline, all layers of the pipeline can stretch out and draw back to different degrees along with the change of the temperature and the pressure of a pipeline conveying medium, and the joints are likely to fall off or lose the sealing performance due to reciprocating circulation.
It is in this context that this patent application proposes a flexible pipeline joint suitable for use in large pipe diameter oceans.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to overcome the above disadvantages of the prior art, and to provide a flexible pipeline joint suitable for large-diameter marine pipelines.
The utility model discloses a realize by following technical scheme:
a connector suitable for large-caliber marine flexible pipelines comprises a connector front end and a connector outer sleeve, wherein the connector front end and the connector outer sleeve are respectively composed of an upper connector mechanism and a lower connector mechanism which are symmetrically arranged,
the upper assembling joint mechanism comprises:
a first insulating pad is arranged at the bottom end of the middle part of the front end of the joint and is vertical to the pipeline direction, a second insulating pad is vertically arranged at the upper end part of the first insulating pad, and the first insulating pad and the second insulating pad are in contact connection with a framework layer fixing part;
a sealing groove is formed in the rear end part of the front end of the joint, a first sealing ring, a first steel ring and a second sealing ring are sequentially arranged in the sealing groove, a first sealing flange is arranged at the rear part of the second sealing ring, an air plug is arranged at the upper end of the first steel ring, and a screw plug is arranged at the upper end of the air plug;
the first sealing flange is fixedly connected with a fastening flange through a second inner hexagon screw, and a wedge-shaped inverted tooth-shaped fastening piece is arranged at the bottom of the fastening flange;
the middle protruding end of the front end of the joint is connected with the front end part of the joint outer sleeve through a first inner hexagon screw, and an O-shaped sealing ring is arranged at the contact part of the front end of the joint and the joint outer sleeve;
a seal sleeve is arranged on the inner side part of the middle rear end of the joint outer sleeve, the O-shaped seal ring is arranged at the contact part of the joint outer sleeve and the seal sleeve, a middle coating layer fixing part is fixedly arranged at the bottom end of the outer side part of the seal sleeve through a fourth inner hexagon screw, and the middle coating layer fixing part is a group of trisection opening arc rings arranged on a middle coating layer; the bottom end of the inner side part of the seal sleeve is provided with a seal groove, a third seal ring, a second steel ring and a fourth seal ring are sequentially arranged in the seal groove, the upper end of the second steel ring is provided with the air plug, the upper end of the air plug is provided with the screw plug, and the rear part of the fourth seal ring is provided with a second seal flange;
a third sealing flange is arranged on the outer side of the rear end part of the joint outer sleeve, a sixth sealing ring, a third steel ring and a fifth sealing ring are sequentially arranged on the inner side of the bottom of the third sealing flange, the air plug is arranged at the upper end of the third steel ring, and the screw plug is arranged at the upper end of the air plug; the inner side of the rear end part of the joint outer sleeve is fixedly provided with an outer cladding layer fixing part through a third inner hexagon screw, and the outer cladding layer fixing part is a group of trisected open arc rings arranged on the outer cladding layer;
the joint outer sleeve is provided with a plug;
the lower assembly joint mechanism and the upper assembly joint mechanism are different in that: the upper end parts of the first steel ring, the second steel ring and the third steel ring of the lower assembly joint mechanism are not provided with the air plug and the screw plug, the first sealing flange is fixedly connected with the rear end part of the front end of the joint through a fifth hexagon socket head cap screw, and the joint outer sleeve is not provided with the plug.
The utility model has the advantages that:
the utility model discloses a be applicable to big pipe diameter ocean flexible line joint, connect the tightening mode that internal design adopted machinery and epoxy to combine, guarantee each layer mechanical connection of flexible line, promote flexible line tensile armor bearing capacity, the casing ply fixed part design is ensured the casing ply and can not produce axial displacement inside connecting, connect the sealing method that the sealing form adopted machinery and secondary sealing member to combine together, effectively promote the leakproofness that connects and interior pressure sealing layer, middle coating, outer cladding.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of a joint structure according to a preferred embodiment of the present invention.
The parts in the drawings are numbered as follows: 1. a joint front end; 2. a first socket head cap screw; 3. an O-shaped sealing ring; 4. a joint housing; 5. air blocking; 6. plugging with a thread; 7. a first sealing flange; 8. a second socket head cap screw; 9. fastening a flange; 10. an intermediate coating layer fixing member; 11. sealing sleeves; 12. a second sealing flange; 13. plugging; 14. an outer cladding layer fixing member; 15. a third sealing flange; 16. a sixth seal ring; 17. a third steel ring; 18. a fifth seal ring; 19. a fourth seal ring; 20. a second steel ring; 21. a third seal ring; 22. a fastener; 23. a second seal ring; 24. a first steel ring; 25. a first seal ring; 26. a skeleton layer fixing member; 27. a second insulating pad; 28. a first insulating pad; 29. a third socket head cap screw; 30. a fourth socket head cap screw; 31. an epoxy resin; 32. and a fifth socket head cap screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figure 1, the marine flexible pipeline joint suitable for large-caliber comprises a joint front end 1 and a joint outer sleeve 4, wherein the joint front end 1 and the joint outer sleeve 4 are respectively composed of an upper group of joint mechanisms and a lower group of joint mechanisms which are symmetrically arranged,
the upper assembling joint mechanism comprises: a first insulating pad 28 is arranged at the bottom end of the middle part of the joint front end 1 and is vertical to the pipeline direction, a second insulating pad 27 is vertically arranged at the upper end part of the first insulating pad 28, and the first insulating pad 28 and the second insulating pad 27 are in contact connection with the framework layer fixing part 26; the rear end part of the front end 1 of the joint is provided with a sealing groove, a first sealing ring 25, a first steel ring 24 and a second sealing ring 23 are sequentially arranged in the sealing groove, the rear part of the second sealing ring 23 is provided with a first sealing flange 7, the upper end of the first steel ring 24 is provided with an air plug 5, and the upper end of the air plug 5 is provided with a plug 6; the first sealing flange 7 is fixedly connected with a fastening flange 9 through a second inner hexagon screw 8, a wedge-shaped inverted-tooth-shaped fastening piece 22 is arranged at the bottom of the fastening flange 9, and epoxy resin 31 is injected into an annular space formed by the fastening flange 9 and the compression-resistant armor layer to realize fixation with the compression-resistant armor layer; the middle protruding end of the front end 1 of the joint is connected with the front end part of the outer sleeve 4 of the joint through a first inner hexagon screw 2, and an O-shaped sealing ring 3 is arranged at the contact part of the front end 1 of the joint and the outer sleeve 4 of the joint; the joint outer sleeve 4 is provided with a plug 13; a sealing sleeve 11 is arranged on the inner side part of the middle rear end of the joint outer sleeve 4, an O-shaped sealing ring 3 is arranged at the contact part of the joint outer sleeve 4 and the sealing sleeve 11, a middle coating layer fixing part 10 is fixedly arranged at the bottom end of the outer side part of the sealing sleeve 11 through a fourth hexagon socket head cap screw 30, the middle coating layer fixing part 10 is a group of trisected opening arc rings arranged on a middle coating layer, each arc ring is provided with a thread, the axial fixing force is increased, and the middle coating layer is connected with the middle coating layer through a bolt under certain pressure; the bottom end of the inner side part of the sealing sleeve 11 is provided with a sealing groove, a third sealing ring 21, a second steel ring 20 and a fourth sealing ring 19 are sequentially arranged in the sealing groove, the upper end of the second steel ring 20 is provided with an air plug 5, the upper end of the air plug 5 is provided with a screw plug 6, and the rear part of the fourth sealing ring 19 is provided with a second sealing flange 12; a third sealing flange 15 is arranged on the outer side of the rear end part of the joint outer sleeve 4, a sixth sealing ring 16, a third steel ring 17 and a fifth sealing ring 18 are sequentially arranged on the inner side of the bottom of the third sealing flange 15, an air plug 5 is arranged at the upper end of the third steel ring 17, and a screw plug 6 is arranged at the upper end of the air plug 5; the inner side of the rear end part of the joint outer sleeve 4 is fixedly provided with an outer cladding layer fixing part 14 through a third inner hexagon screw 29, the outer cladding layer fixing part 14 is a group of trisected open circular rings arranged on an outer cladding layer, each circular ring is provided with a thread so as to increase axial fixing force, and the circular rings are connected with the outer cladding layer through bolts to form certain pressure; epoxy resin 31 is injected into an annular space of a forming point inside the tensile armor layer and the joint of the flexible pipeline, and the self-bearing of the flexible pipeline is met through the curing force of the epoxy resin;
the lower assembly joint mechanism and the upper assembly joint mechanism are different in that: the upper end parts of a first steel ring 24, a second steel ring 20 and a third steel ring 17 of the lower assembly joint mechanism are not provided with an air plug 5 and a screwed plug 6, a first sealing flange 7 is fixedly connected with the rear end part of the joint front end 1 through a fifth hexagon socket head cap screw 32, and a joint outer sleeve 4 is not provided with a plug 13.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (1)
1. The connector suitable for the large-caliber marine flexible pipeline is characterized by comprising a connector front end (1) and a connector outer sleeve (4), wherein the connector front end (1) and the connector outer sleeve (4) are respectively composed of an upper connector mechanism and a lower connector mechanism which are symmetrically arranged;
the upper assembling joint mechanism comprises:
a first insulating pad (28) is arranged at the bottom end of the middle part of the joint front end (1) and is vertical to the pipeline direction, a second insulating pad (27) is vertically arranged at the upper end part of the first insulating pad (28), and the first insulating pad (28) and the second insulating pad (27) are in contact connection with a framework layer fixing part (26);
a sealing groove is formed in the rear end part of the front end (1) of the joint, a first sealing ring (25), a first steel ring (24) and a second sealing ring (23) are sequentially arranged in the sealing groove, a first sealing flange (7) is arranged at the rear part of the second sealing ring (23), an air plug (5) is arranged at the upper end of the first steel ring (24), and a pipe plug (6) is arranged at the upper end of the air plug (5);
the first sealing flange (7) is fixedly connected with a fastening flange (9) through a second inner hexagonal screw (8), and a wedge-shaped inverted tooth-shaped fastening piece (22) is arranged at the bottom of the fastening flange (9);
the middle protruding end of the joint front end (1) is connected with the front end part of the joint outer sleeve (4) through a first inner hexagon screw (2), and an O-shaped sealing ring (3) is arranged at the contact part of the joint front end (1) and the joint outer sleeve (4);
a sealing sleeve (11) is arranged on the inner side part of the middle rear end of the joint outer sleeve (4), the O-shaped sealing ring (3) is arranged at the contact part of the joint outer sleeve (4) and the sealing sleeve (11), a middle coating layer fixing part (10) is fixedly arranged at the bottom end of the outer side part of the sealing sleeve (11) through a fourth inner hexagon screw (30), and the middle coating layer fixing part (10) is a group of trisection opening arc rings arranged on a middle coating layer; a sealing groove is formed in the bottom end of the inner side portion of the sealing sleeve (11), a third sealing ring (21), a second steel ring (20) and a fourth sealing ring (19) are sequentially arranged in the sealing groove, the air plug (5) is arranged at the upper end of the second steel ring (20), the screw plug (6) is arranged at the upper end of the air plug (5), and a second sealing flange (12) is arranged at the rear portion of the fourth sealing ring (19);
a third sealing flange (15) is arranged on the outer side of the rear end part of the joint outer sleeve (4), a sixth sealing ring (16), a third steel ring (17) and a fifth sealing ring (18) are sequentially arranged on the inner side of the bottom of the third sealing flange (15), the upper end of the third steel ring (17) is provided with the air plug (5), and the upper end of the air plug (5) is provided with the plug (6); the inner side of the rear end part of the joint outer sleeve (4) is fixedly provided with an outer cladding layer fixing component (14) through a third inner hexagon screw (29), and the outer cladding layer fixing component (14) is a group of trisection open arc rings arranged on the outer cladding layer;
the joint outer sleeve (4) is provided with a plug (13);
the lower assembly joint mechanism and the upper assembly joint mechanism are different in that: the upper end parts of the first steel ring (24), the second steel ring (20) and the third steel ring (17) of the lower assembly joint mechanism are not provided with the air plug (5) and the screw plug (6), the first sealing flange (7) is fixedly connected with the rear end part of the joint front end (1) through a fifth inner hexagonal screw (32), and the joint outer sleeve (4) is not provided with the plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023047110.3U CN214222334U (en) | 2020-12-17 | 2020-12-17 | Be applicable to big pipe diameter ocean flexible line joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023047110.3U CN214222334U (en) | 2020-12-17 | 2020-12-17 | Be applicable to big pipe diameter ocean flexible line joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222334U true CN214222334U (en) | 2021-09-17 |
Family
ID=77703016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023047110.3U Active CN214222334U (en) | 2020-12-17 | 2020-12-17 | Be applicable to big pipe diameter ocean flexible line joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222334U (en) |
-
2020
- 2020-12-17 CN CN202023047110.3U patent/CN214222334U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104676141A (en) | Composite material pipeline | |
| CN206802580U (en) | A kind of steel skeleton can circumnutate rubber fittings | |
| CN214222334U (en) | Be applicable to big pipe diameter ocean flexible line joint | |
| CN204477565U (en) | Flexible extra large pipe connection | |
| CN201318517Y (en) | Pipe connector | |
| CN2317377Y (en) | Composite corrosion-resisting industrial pipeline | |
| CN214500488U (en) | Be applicable to flexible pipeline joint in optic fibre monitoring ocean | |
| CN207261850U (en) | A kind of flexible pipe of composite material component | |
| CN205244676U (en) | Dual -seal structure clamp formula flange | |
| CN204647583U (en) | Composite pipe end fitting | |
| CN215334931U (en) | Joint suitable for low-pressure marine flexible composite pipeline | |
| CN110273654B (en) | Flexible vertical pipe seamless framework layer | |
| CN2888233Y (en) | Quick joint for high pressure plastic pipe | |
| CN209781907U (en) | Non-bonding flexible pipe for deep water and connecting joint thereof | |
| CN206786185U (en) | Fastening structure in a kind of ring flange | |
| CN104819349A (en) | Composite tube end accessory and assembly method | |
| CN204785125U (en) | Composite pipe way | |
| CN214222269U (en) | High-pressure non-bonding flexible pipeline suitable for submarine oil and gas transportation | |
| CN202560116U (en) | Double-seal anti-corrosion water injection well oil pipe | |
| CN212273303U (en) | Corrosion-resistant high-sealing-performance steel-plastic composite pipeline | |
| CN103697270B (en) | A kind of injecting glue fitting for dynamic flexible compound pipe | |
| CN209781908U (en) | Non-bonding flexible pipe for deep water and connecting joint thereof | |
| CN214222271U (en) | Low-pressure non-bonding flexible pipeline suitable for submarine oil and gas transmission | |
| CN219453148U (en) | Plug-in type inner epoxy coating and outer PE composite steel pipe | |
| CN2586861Y (en) | Integral insulating connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Junhai pipe industry (Shandong) Co.,Ltd. Assignor: WUDI HAIZHONG FLEXIBLE PIPE MANUFACTURING CO.,LTD. Contract record no.: X2021980016589 Denomination of utility model: A flexible pipeline joint suitable for large diameter marine pipeline Granted publication date: 20210917 License type: Common License Record date: 20211228 |
|
| EE01 | Entry into force of recordation of patent licensing contract |