CN213479448U - Underwater butt joint installation device for submarine pipeline - Google Patents
Underwater butt joint installation device for submarine pipeline Download PDFInfo
- Publication number
- CN213479448U CN213479448U CN202022684504.3U CN202022684504U CN213479448U CN 213479448 U CN213479448 U CN 213479448U CN 202022684504 U CN202022684504 U CN 202022684504U CN 213479448 U CN213479448 U CN 213479448U
- Authority
- CN
- China
- Prior art keywords
- female
- male
- joint
- head
- connecting flange
- 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 an underwater butt joint installation device for submarine pipeline, including butt joint female head, connecting screw, female first second fastening nut, the first fastening nut of female head, the first fastening nut of public head, public first second fastening nut, butt joint public head, outside sealing washer, inboard sealing washer, female first nut retaining ring, public first flange connecting hole, public first boss, female first flange connecting hole, female first flange, inboard sealing washer groove and outside sealing washer groove. The utility model has the advantages that: the thread has all been attacked at the connecting screw both ends, and female first fastening nut and female first second fastening nut combination use in pairs and public first fastening nut and public first second fastening nut combination use in pairs, give up traditional single-end threaded connection, adopt two respectively nut interlocking in both ends to connect to reach the purpose of not loosening between public first flange of fixed back and the female first flange.
Description
Technical Field
The utility model relates to a interfacing apparatus specifically is an underwater butt joint installation device for submarine pipeline, belongs to and docks installation technical field under water.
Background
After the submarine oil and gas transmission pipeline is used for a period of time, due to the influence of factors such as corrosion and external force, a longer pipe section at one end may be defective or damaged, the defective or damaged pipe section needs to be replaced, and butt joint between the pipe sections needs to be completed underwater under the limit of construction conditions. Because the submarine pipeline is in a severe environment, the marine environment is very sensitive to pollution and needs to bear large stress change, and meanwhile, the submarine pipeline needs to be sealed very reliably so as to meet the requirement of high sealing reliability of the submarine pipeline under high stress and be easy for underwater construction.
At present, the methods for repairing the defect or damage of the submarine pipeline comprise the following methods: firstly, a good and quick method for processing is not provided, most of pipelines are replaced by the whole pipelines, local parts are rarely cut off and then butt-jointed for use, and a large amount of manpower is wasted; secondly, a new pipeline is laid again, and the damaged pipeline is abandoned; thirdly, even if the part is cut off and then the butt joint is used, the sealing and the service life are short, the normal submarine transportation task cannot be met, and the maintenance is often needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is just to provide a butt joint installation device under water for submarine pipeline in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an underwater butt joint installation device for submarine pipelines comprises a butt joint female head, a connection screw, a female head second fastening nut, a female head first fastening nut, a male head second fastening nut, a butt joint male head, an outer side sealing ring, an inner side sealing ring, a female head nut retaining ring, a male head connection flange connection hole, a male head boss, a female head connection flange connection hole, a female head connection flange, an inner side sealing ring groove and an outer side sealing ring groove; the butt joint female head and the female head connecting flange are welded together, one end of the butt joint female head penetrates through the female head connecting flange connecting hole, the other end of the butt joint female head penetrates through the male head connecting flange connecting hole, the female head first fastening nut and the female head second fastening nut are connected to one end of the butt joint female head through threads, the male head first fastening nut and the male head second fastening nut are connected to one end of the butt joint male head of the butt joint female head through threads, the outer side sealing ring is installed in the outer side sealing ring groove, the inner side sealing ring is installed in the inner side sealing ring groove on the butt joint female head, the female head nut retaining ring is installed between the female head first nut and the female head connecting flange, the male head nut retaining ring is installed between the male head first nut and the male head connecting flange, the male head connecting flange and the butt joint male head are connected together through welding, and twelve male head connecting flange connecting holes are evenly arranged on the male head connecting, twelve female joint connecting flange connecting holes are uniformly formed in the female joint connecting flange, a male joint boss is arranged on the male joint connecting flange, a ring-removing outer side sealing ring groove is formed in the end face of the female joint connecting flange, and a circle of inner side sealing ring groove is formed in the step of the inner wall of the butt joint female joint.
Preferably, in order to facilitate the effect of not loosening through the interlocking of two nuts, the threads are all tapped at the two ends of the connecting screw rod, and the first female fastening nut and the second female fastening nut are combined to be used in pairs and the first male fastening nut and the second male fastening nut are combined to be used in pairs.
Preferably, in order to protect the epoxy resin coating on the outer wall of the butt joint male joint and the butt joint female joint from being damaged through the nut retaining ring, twelve circular holes are formed in the female joint nut retaining ring and the male joint nut retaining ring, and the positions of the circular holes are consistent with the female joint flange connecting hole and the male joint flange connecting hole respectively.
Preferably, in order to facilitate the male boss to be connected into the butt joint female head, the drawing angle of the outer side surface of the male boss is 10 degrees, and the angle and the height of the inner pipe of the butt joint female head are consistent.
Preferably, in order to facilitate the liquid transmission in the pipe sealed by the inner side sealing ring, the seawater is sealed by the outer side sealing ring, the seawater is prevented from entering, the inner side sealing ring and the outer side sealing ring are made of butadiene rubber, and the inner side sealing ring and the outer side sealing ring are respectively used for sealing the inner pipe and the outer pipe.
Preferably, in order to protect underwater pipeline parts such as the butt female joint and the butt male joint, prevent seawater corrosion and reduce service life, the outer pipe walls of the butt female joint and the butt male joint are coated with epoxy resin coatings.
The utility model has the advantages that: the underwater butt joint installation device for the submarine pipeline is reasonable in design, threads are respectively tapped at two ends of a connecting screw, a first female fastening nut and a second female fastening nut are combined and used in pairs, a first male fastening nut and a second male fastening nut are combined and used in pairs, the traditional single-end threaded connection is abandoned, two nuts at two ends are connected in an interlocking manner, so that the purpose that a male connecting flange and the female connecting flange are not loosened after the male connecting flange and the female connecting flange are fixed is achieved, twelve round holes are respectively formed in a female nut retaining ring and a male nut retaining ring, the positions of the round holes are respectively consistent with those of a female connecting flange connecting hole and a male connecting flange connecting hole, when the flanges are fixed, the first female fastening nut and the first male fastening nut can abrade epoxy resin coatings on the surfaces of the connecting flanges, so that the butt joint device is easily corroded by seawater, and the male nut retaining ring and the female nut retaining ring are protected, male joint boss lateral surface draft angle is 10, and it is unanimous rather than complex butt joint female head inner tube angle, the highly uniform, male joint boss area draft inclination can dock with the butt joint female head more easily, inboard sealing washer is butadiene rubber with the outside sealing washer material, and inboard sealing washer is used for inner tube seal respectively with the outside sealing washer with the outer sealing washer to seal with the outer tube, inboard sealing washer is in order to prevent that the inside transmission liquid of pipeline from flowing out, the outside sealing washer is in order to prevent that the sea water from getting into the pipeline, two-layer sealing washer plays duplicate protection effect, butt joint female head all is scribbled the epoxy cladding material with butt joint male head outer tube wall, a surface for protection interfacing apparatus and sea water contact, prevent by sea water corrosion, and service life is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the butt joint male joint of the present invention;
FIG. 4 is a schematic view of the butt joint female joint of the present invention;
fig. 5 is a schematic view of the structural connection screw of the present invention.
In the figure: 1. butt joint female head, 2, connecting screw, 3, female head second fastening nut, 4, female head first fastening nut, 5, male head first fastening nut, 6, male head second fastening nut, 7, butt joint male head, 8, outside sealing ring, 9, inside sealing ring, 10, female head nut retaining ring, 11, male head nut retaining ring, 12, male head connecting flange, 13, male head connecting flange connecting hole, 14, male head boss, 15, female head connecting flange connecting hole, 16, female head connecting flange, 17, inside sealing ring groove and 18, outside sealing ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, an underwater butt joint installation device for a submarine pipeline includes a butt joint female joint 1, a connection screw 2, a female joint second fastening nut 3, a female joint first fastening nut 4, a male joint first fastening nut 5, a male joint second fastening nut 6, a butt joint male joint 7, an outer side seal ring 8, an inner side seal ring 9, a female joint nut retainer ring 10, a male joint nut retainer ring 11, a male joint flange 12, a male joint flange connection hole 13, a male joint boss 14, a female joint flange connection hole 15, a female joint flange 16, an inner side seal ring groove 17, and an outer side seal ring groove 18; the butt joint female head 1 and the female head connecting flange 16 are welded together, one end of the butt joint female head 1 penetrates through a female head connecting flange connecting hole 15, the other end of the butt joint female head 1 penetrates through a male head connecting flange connecting hole 13, the female first fastening nut 4 and the female second fastening nut 3 are connected to one end of the butt joint female head 1 through threads, the male first fastening nut 5 and the male second fastening nut 6 are connected to one end of the butt joint male head 7 of the butt joint female head 1 through threads, the outer sealing ring 8 is installed in an outer sealing ring groove 18, the inner sealing ring 9 is installed in an inner sealing ring groove 17 on the butt joint female head 1, the female nut retaining ring 10 is installed between the female first nut and the female head connecting flange 16, the male nut retaining ring 11 is installed between the male first nut and the male connecting flange 12, and the male connecting flange 12 is connected with the butt joint male head 7 through welding, twelve male connecting flange connecting holes 13 are uniformly formed in the male connecting flange 12, twelve female connecting flange connecting holes 15 are uniformly formed in the female connecting flange 16, a male boss 14 is arranged on the male connecting flange 12, a ring-removing outer sealing ring groove 18 is formed in the end face of the female connecting flange 16, and a ring of inner sealing ring groove 17 is formed in the step of the inner wall of the butt female connector 1.
The two ends of the connecting screw rod 1 are both provided with threads, the first female fastening nut 4 and the second female fastening nut 3 are combined and used in pairs, the first male fastening nut 5 and the second male fastening nut 6 are combined and used in pairs, the traditional single-end threaded connection is abandoned, two nuts at the two ends are connected in an interlocking manner, so that the purpose that the male connecting flange 12 and the female connecting flange 16 are not loosened after the fixing is achieved, twelve round holes are respectively arranged on the female nut retaining ring 10 and the male nut retaining ring 11, the positions of the round holes are respectively consistent with the female connecting flange connecting hole 13 and the male connecting flange connecting hole 15, when the flanges are fixed, the first female fastening nut 4 and the first male fastening nut 5 can abrade epoxy resin coatings on the surfaces of the connecting flanges, so that the butt joint device is easily corroded by seawater, and therefore, the male nut retaining ring 11 and the female nut retaining ring 10 are used for protection, 14 lateral surface draft angles of public first boss are 10, and it is unanimous rather than 1 inner tube angle of complex butt joint female, highly uniform, public first boss 14 area draft inclination can dock with butt joint female 1 more easily, inboard sealing washer 9 is butadiene rubber with 8 materials in the outside sealing washer, and inboard sealing washer 9 is used for inner tube sealed respectively with outside sealing washer 8 with the outside sealing washer to seal with the outer tube, and inboard sealing washer 9 is in order to prevent that the inside transmission liquid of pipeline from flowing out, and outside sealing washer 8 is in order to prevent that the sea water from getting into the pipeline, and two-layer sealing washer plays the duplicate protection effect, butt joint female 1 all is scribbled the epoxy coating with butt joint public first 7 outer pipe wall for protection interfacing apparatus and sea water contact surface prevent to be corroded by the sea water, increase of service life
The working principle is as follows: when using the underwater butt joint installation device for the submarine pipeline, when carrying out the butt joint task of the submarine pipeline, firstly, the inner side seal ring 9 and the outer side seal ring 8 are put into the inner side seal ring groove 17 and the outer side seal ring groove 18 in the butt joint female head 1, then the male head boss 14 on the butt male head 7 is inserted into the butt female head 1, the connecting screw 2 simultaneously passes through the female head connecting flange 12 and the female head connecting flange connecting hole 13 and the male head connecting flange connecting hole 15 on the male head connecting flange 16, and then screwing the first female fastening nut 4 and the first male fastening nut 5, temporarily fixing, sequentially fixing the connecting flange at opposite angles and four corners, finally completely fixing the connecting screws 2 in twelve holes, and finally sequentially screwing the second female fastening nut 3 and the second male fastening nut 6 into the twelve connecting screws 2 to perform nut interlocking so as to finish butt joint installation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An underwater butt joint installation device for submarine pipelines is characterized in that: the butt joint female joint structure comprises a butt joint female joint (1), a connecting screw rod (2), a female joint second fastening nut (3), a female joint first fastening nut (4), a male joint first fastening nut (5), a male joint second fastening nut (6), a butt joint male joint (7), an outer side sealing ring (8), an inner side sealing ring (9), a female joint nut retaining ring (10), a male joint nut retaining ring (11), a male joint connecting flange (12), a male joint connecting flange connecting hole (13), a male joint boss (14), a female joint connecting flange connecting hole (15), a female joint connecting flange (16), an inner side sealing ring groove (17) and an outer side sealing ring groove (18); the butt joint female joint (1) and the female joint connecting flange (16) are welded together, one end of the butt joint female joint (1) penetrates through a female joint connecting flange connecting hole (15), the other end of the butt joint female joint (1) penetrates through a male joint connecting flange connecting hole (13), a female first fastening nut (4) and a female second fastening nut (3) are connected to one end of the butt joint female joint (1) through threads, a male first fastening nut (5) and a male second fastening nut (6) are connected to one end of a butt joint male joint (7) of the butt joint female joint (1) through threads, an outer sealing ring (8) is installed in an outer sealing ring groove (18), an inner sealing ring (9) is installed in an inner sealing ring groove (17) on the butt joint female joint (1), and a female nut retaining ring (10) is installed between the female first nut and the female joint connecting flange (16), the male head nut retainer ring (11) is installed between a first male head nut and a male head connecting flange (12), the male head connecting flange (12) is connected with a butt male head (7) in a welding mode, twelve male head connecting flange connecting holes (13) are evenly formed in the male head connecting flange (12), twelve female head connecting flange connecting holes (15) are evenly formed in a female head connecting flange (16), a male head boss (14) is arranged on the male head connecting flange (12), a ring-removing outer side sealing ring groove (18) is formed in the end face of the female head connecting flange (16), and a ring-removing inner side sealing ring groove (17) is formed in the step position of the inner wall of the butt female head (1).
2. An underwater docking installation for a subsea pipeline according to claim 1 wherein: screw teeth are all tapped at two ends of the butt joint female head (1), and the female first fastening nut (4) and the female second fastening nut (3) are combined to be used in pairs and the male first fastening nut (5) and the male second fastening nut (6) are combined to be used in pairs.
3. An underwater docking installation for a subsea pipeline according to claim 1 wherein: twelve circular holes are formed in the female nut retainer ring (10) and the male nut retainer ring (11), and the positions of the circular holes are consistent with the female connecting flange connecting holes (15) and the male connecting flange connecting holes (13).
4. An underwater docking installation for a subsea pipeline according to claim 1 wherein: the drawing angle of the outer side surface of the male boss (14) is 10 degrees, and the angle and the height of the inner pipe of the butt joint female head (1) matched with the male boss are consistent.
5. An underwater docking installation for a subsea pipeline according to claim 1 wherein: the inner side sealing ring (9) and the outer side sealing ring (8) are made of butadiene rubber, and the inner side sealing ring (9) and the outer side sealing ring (8) are respectively used for sealing the inner pipe and the outer pipe.
6. An underwater docking installation for a subsea pipeline according to claim 1 wherein: the outer pipe walls of the butt joint female head (1) and the butt joint male head (7) are coated with epoxy resin coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022684504.3U CN213479448U (en) | 2020-11-19 | 2020-11-19 | Underwater butt joint installation device for submarine pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022684504.3U CN213479448U (en) | 2020-11-19 | 2020-11-19 | Underwater butt joint installation device for submarine pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213479448U true CN213479448U (en) | 2021-06-18 |
Family
ID=76355859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022684504.3U Active CN213479448U (en) | 2020-11-19 | 2020-11-19 | Underwater butt joint installation device for submarine pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213479448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7414322B1 (en) | 2022-10-21 | 2024-01-16 | 東海鋼管株式会社 | Joint structure of flanged fluid pipe |
-
2020
- 2020-11-19 CN CN202022684504.3U patent/CN213479448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7414322B1 (en) | 2022-10-21 | 2024-01-16 | 東海鋼管株式会社 | Joint structure of flanged fluid pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213479448U (en) | Underwater butt joint installation device for submarine pipeline | |
| CN213117878U (en) | Buried pipeline connecting structure | |
| CN202532017U (en) | Intelligent connector suitable for repairing submarine pipelines | |
| CN205048031U (en) | Anticorrosive steel pipe is used in water delivery with bell and spigot connects | |
| CN215000013U (en) | Anticorrosion chemical industry high pressure line connects | |
| CN107917292A (en) | A kind of pipe connector lug and pipe connector lug application method | |
| CN202708348U (en) | High potential metal seawater pipeline cabin penetration pipe fitting with sealing ring | |
| CN206918456U (en) | A kind of immersible pump lifting pipe | |
| CN210372452U (en) | Sealing device for pipeline joint | |
| CN2166296Y (en) | Fast connecting flange for valve pipeline | |
| CN215950790U (en) | Protective structure of natural gas transportation pipeline link | |
| CN219221524U (en) | Corrosion-resistant strong drain pipe easy to connect | |
| CN218543517U (en) | GRE pipe is used for ship ballast system | |
| CN219159807U (en) | Corrosion-resistant reducing cutting sleeve three-way joint | |
| CN212868868U (en) | Corrosion-resistant flange with long service life | |
| CN219367073U (en) | Stainless steel rotary joint | |
| CN214274722U (en) | Composite corrosion-resistant ship liquid tank embedded pipe with water jacket | |
| CN219833658U (en) | Fixed cable connecting pipe | |
| CN214500500U (en) | Repair pipe clamp with T-shaped sealing ring | |
| CN212080536U (en) | Flange for chemical pipeline | |
| CN211199410U (en) | Combined anti-corrosion assembly | |
| CN215862254U (en) | Pipeline connection stainless steel flange | |
| CN220523589U (en) | Novel three-purpose pressure plugging clamp | |
| CN212760171U (en) | Multichannel flange joint for underwater pigging device | |
| CN214331834U (en) | Mechanical pipe clamp tee joint for repairing underwater pipeline quickly and efficiently |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |