CN104514934A - Underwater spherical flange connector for connecting submarine pipe - Google Patents
Underwater spherical flange connector for connecting submarine pipe Download PDFInfo
- Publication number
- CN104514934A CN104514934A CN201410818862.5A CN201410818862A CN104514934A CN 104514934 A CN104514934 A CN 104514934A CN 201410818862 A CN201410818862 A CN 201410818862A CN 104514934 A CN104514934 A CN 104514934A
- Authority
- CN
- China
- Prior art keywords
- flange
- spherical
- ball
- sealing surface
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/053—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by bolts passing through flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/06—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/06—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces
- F16L27/073—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces one of the cooperating surfaces forming the sealing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses an underwater spherical flange connector for connecting a submarine pipe. The underwater spherical flange connector comprises a sphere, a spherical flange, a positioning flange, a first annular sealing surface flange, a second annular sealing surface flange, a stud and a turn buckle, the sphere comprises a spherical section and a cylindrical section, the front end of the outward convex spherical surface of the spherical section of the sphere is matched with the inward concave spherical surface of the inner surface of the spherical flange to form a metal seal, the rear end of the outward convex spherical surface of the spherical section of the sphere is matched with the inward concave spherical surface of the inner surface of the positioning flange, the first annular sealing surface flange, the spherical flange and the positioning flange are connected together, the second annular sealing surface flange is connected at the rear end of the cylindrical section of the sphere, lugs are arranged on the positioning flange and the second annular sealing surface flange, one end of the turn buckle is connected with the lug on the positioning flange, and the other end of the turn buckle is connected with the lug on the second annular sealing surface flange. The underwater spherical flange connector can adjust an angle and is high in reliability, simple and rapid to mount, compact and simple in structure, low in manufacturing cost and applicable to common working conditions and severe working conditions such as acidic working conditions containing H2S and CO2 gas and working conditions containing sand.
Description
Technical field
The present invention relates to submarine pipeline mounting technique field, particularly the extra large pipe connection of one spherical flange connector under water.
Background technique
Sea tube connector is the vitals of ocean platform and subsea production system, for the connection of seabed and submarine pipeline.Under water in pipeline construction, due to the difficulty of subaqueous survey and construction, the size deviation that is prefabricated and that install of submarine pipeline is larger, connect to submarine pipeline and bring a lot of difficulty, and cause underwater flange to occur poorly sealed problem under the effect of pipeline deviation external carbuncle, easily leak, after there is this type of accident, cause submarine oil to leak, destroy the personal safety that ocean environment even endangers Field Force, cause national wealth to lose.Augular offset during submarine pipeline connects not only makes Flange joint unreliable, also makes underwater construction complicated.Existing extra large tube connector sealing is unreliable, and installation process is complicated, and inconvenient operation, the connection aligning degree of submarine pipeline is low.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of extra large pipe to connect and using spherical flange connector under water.This extra large pipe connect high by spherical flange connector adjustable-angle under water, reliability, simple and fast is installed, and compact structure is simple, low cost of manufacture, easy to operate, be applicable to general operating mode and containing H
2s, CO
2the acid operating mode of gas and containing bad working environments such as sand.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of extra large pipe connects uses spherical flange connector under water, comprise spheroid, ball is blue, locating flange, first ring sealing surface flange, second ring sealing surface flange, stud and flower basket bolt, described spheroid comprises ball section and cylindrical section, the outer surface of described ball section is outer convex spherical, the internal surface of described ball orchid and the internal surface of locating flange are equipped with interior concave spherical surface, the outer convex spherical front end of the ball section of spheroid and the indent mating spherical surfaces of ball flange inner surface form metal sealing, the evagination spherical posterior of the ball section of spheroid and the indent mating spherical surfaces of locating flange internal surface, described first ring sealing surface flange is positioned at the front end of ball orchid, and first ring sealing surface flange, ball orchid and locating flange pass through stud, cooperating together of tension nut and locking nut, described second ring sealing surface flange is connected on the rear end of the cylindrical section of described spheroid, and locating flange and the second ring sealing surface flange are equipped with hanger, one end of described flower basket bolt is connected on the hanger on described locating flange, the other end of flower basket bolt is connected on the hanger on described second ring sealing surface flange.
Further, this extra large pipe connects and also comprises an adjusting bolt with spherical flange connector under water, and described adjusting bolt is arranged in described locating flange and ball orchid, and adjusting bolt is arranged with spring.
Further, the internal surface of the ball section of described spheroid is made up of inner conical surface and inner cylinder.
Further, the outer convex spherical front end of the ball section of described spheroid and the indent mating spherical surfaces of ball flange inner surface adopt metallic packing ring to form metal sealing.
Further, the interior concave spherical surface of described locating flange internal surface is provided with groove and the O shape ring recess for placing O shape circle.
Further, dust ring is provided with between the front end of the outer convex spherical of the ball section of described spheroid and the interior concave spherical surface of described ball flange inner surface.
Further, metal o-ring and back-up ring is also provided with between the front end of the outer convex spherical of the ball section of described spheroid and the interior concave spherical surface of described ball flange inner surface.
Further, gasket ring is provided with between described ball orchid and the contact end face of first ring sealing surface flange.
Further, described ball orchid is provided with oil gun.
Further, described second ring sealing surface flange is connected on the cylindrical section of described spheroid by the mode of welding.
The invention has the beneficial effects as follows: the outer convex spherical of the spherical ball section in the present invention and the interior concave spherical surface of ball flange inner surface freely can rotate under less frictional force, realize spheroid, the rapid-assembling of ball orchid and locating flange, by the tension nut on tensioner pretension stud, the interior concave spherical surface of the outer convex spherical of spherical ball section and ball flange inner surface is coordinated with metallic packing ring respectively and realizes metal hard-sealing, eliminate submarine pipeline connect in augular offset on sealing and the impact of pipe stress, make Flange joint more safe and reliable, underwater construction becomes simpler, fast.The present invention can make the blue and locating flange rapid alignment of ball under the effect of first ring sealing surface flange and the second ring sealing surface flange, makes scene connect submarine pipeline under water more simple and fast.Flower basket bolt is connected between the hanger on locating flange and the hanger on the second ring sealing surface flange, and for resisting external interference in lower water installation process, also convenient setting angle under water regulates simultaneously, can realize rapid alignment ball orchid and locating flange.Locating flange place arranges O shape circle and ball is blue and arrange dust ring between spheroid can effectively prevent seawater and the grains of sand from entering destruction metallic sealing section.The present invention adopts collection to rotate and the design of alignment function integral structure, makes the adjustable connection angle of this connector, is convenient to the connection of submarine pipeline fast and reliable.
Accompanying drawing explanation
Fig. 1 is that the present invention sea pipe connects the structural representation using spherical flange connector under water.
Fig. 2 is pipe connection extra large shown in Fig. 1 upper half part partial structurtes schematic diagram of spherical flange connector under water.
Fig. 3 is the structure for amplifying schematic diagram of part A in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
As shown in Figure 1 to Figure 3, a kind of extra large pipe connects uses spherical flange connector under water, comprise spheroid 3, ball orchid 1, locating flange 2, first ring sealing surface flange 4, second ring sealing surface flange 5, stud 6 and flower basket bolt 9, described spheroid 3 comprises ball section 301 and cylindrical section 302, the outer surface of described ball section 301 is outer convex spherical, wherein, the internal surface of the ball section 301 of spheroid 3 is made up of inner conical surface and inner cylinder, the internal surface of described ball orchid 1 and the internal surface of locating flange 2 are equipped with interior concave spherical surface, the indent mating spherical surfaces of the outer convex spherical front end of the ball section 301 of spheroid 3 and blue 1 internal surface of ball adopts metallic packing ring to form metal sealing, the evagination spherical posterior of the ball section 301 of spheroid 3 and the indent mating spherical surfaces of locating flange 2 internal surface, first ring sealing surface flange 4 is positioned at the front end of ball orchid 1, and first ring sealing surface flange 4, ball blue 1 and locating flange 2 are by stud 6, cooperating together of tension nut 7 and locking nut 8, described second ring sealing surface flange 5 is connected on the rear end of the cylindrical section 302 of described spheroid 3, and locating flange 3 and the second ring sealing surface flange 5 are equipped with hanger 10, one end of described flower basket bolt 9 is connected on the hanger 10 on described locating flange 2, the other end of flower basket bolt 9 is connected on the hanger 10 on described second ring sealing surface flange 5.
This extra large pipe connects and also comprises an adjusting bolt 11 with spherical flange connector under water, this adjusting bolt 11 is arranged in the tapped hole on described locating flange 2 and ball orchid 1, adjusting bolt 11 is arranged with spring 12, adjusting bolt 11 and spring 12 can carry out pretension to ball blue 1 and locating flange 2.
When connecting submarine pipeline, by first ring sealing surface flange 4 by the ball be connected with one section of submarine pipeline blue 1 and locating flange 2 rapid alignment being connected with another section of submarine pipeline, and make the indent mating spherical surfaces of the outer convex spherical front end of the ball section 301 of spheroid 3 and blue 1 internal surface of ball, and adopt metallic packing ring to form metal sealing, make the evagination spherical posterior of the ball section 301 of spheroid 3 and the indent mating spherical surfaces of locating flange 2 internal surface, again by stud 6, the cooperation of locking nut 8 and tension nut 7 is by first ring sealing surface flange 4, ball blue 1 and locating flange 2 link together.The interior concave spherical surface of the outer convex spherical of the ball section 301 of spheroid 3 and blue 1 internal surface of ball freely can rotate under less frictional force, can realize spheroid 3 and be connected with ball blue 1 and the quick of locating flange 2.By the tension nut 7 on tensioner pretension stud 6, the interior concave spherical surface of blue 1 internal surface of the outer convex spherical of the ball section 301 of spheroid 3 and ball is coordinated with metallic packing ring respectively and realizes metal hard-sealing, eliminate submarine pipeline connect in augular offset on sealing and the impact of pipe stress, make Flange joint more safe and reliable, underwater construction becomes more simple, quick.Second ring sealing surface flange 5 and locating flange 2 are respectively equipped with hanger 10, connect the lifting and aligning of using spherical flange connector under water for this extra large pipe.Flower basket bolt 9 is connected between the hanger 10 on locating flange 2 and the hanger 10 on the second ring sealing surface flange 5, for resisting the external interference also convenient adjustment of setting angle under water simultaneously in lower water installation process, rapid alignment ball blue 1 and locating flange 2 can be realized, make scene connect submarine pipeline under water more simple and quick.
The interior concave spherical surface of locating flange 2 internal surface is provided with groove 201 and the O shape ring recess for placing O shape circle 17.This groove 201 is conducive to preventing spheroid 3 be in use subject to external interference and rotate; Insert O shape circle 17 in O type ring recess, can prevent dregs from entering metallic sealing section, thus realize protection sealing surface, improve the working life of connector.
Dust ring 13 is provided with between the interior concave spherical surface of the front end of the outer convex spherical of the ball section 301 of spheroid 3 and blue 1 internal surface of ball.Dust ring 13 under rugged environment to the protection of the metal sealing formed between concave spherical surface in the outer convex spherical of ball section 301 of spheroid 3 and ball orchid 1.
Metal o-ring 14 and back-up ring 18 is also provided with between the interior concave spherical surface of the front end of the outer convex spherical of the ball section 301 of spheroid 3 and blue 1 internal surface of ball.
Furtherly, be provided with gasket ring 15 between described ball blue 1 and the contact end face of first ring sealing surface flange 4, better can realize sealing.
Furtherly, described ball orchid 1 is provided with oil gun 16.This oil gun 16 injects seal gease under pressure testing and fortuitous event, can realize emergency sealing.
Furtherly, described second ring sealing surface flange 5 is connected on the cylindrical section 302 of described spheroid 3 by the mode of welding.
Structure adjustable-angle of the present invention, reliability be high, install simple and fast, and compact structure is simple, low cost of manufacture, easy to operate, be applicable to general operating mode and containing H
2s, CO
2the acid operating mode of gas and containing bad working environments such as sand.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. extra large pipe connection spherical flange connector under water, it is characterized in that: comprise spheroid, ball is blue, locating flange, first ring sealing surface flange, second ring sealing surface flange, stud and flower basket bolt, described spheroid comprises ball section and cylindrical section, the outer surface of described ball section is outer convex spherical, the internal surface of described ball orchid and the internal surface of locating flange are equipped with interior concave spherical surface, the outer convex spherical front end of the ball section of spheroid and the indent mating spherical surfaces of ball flange inner surface form metal sealing, the evagination spherical posterior of the ball section of spheroid and the indent mating spherical surfaces of locating flange internal surface, described first ring sealing surface flange is positioned at the front end of ball orchid, and first ring sealing surface flange, ball orchid and locating flange pass through stud, cooperating together of tension nut and locking nut, described second ring sealing surface flange is connected on the rear end of the cylindrical section of described spheroid, and locating flange and the second ring sealing surface flange are equipped with hanger, one end of described flower basket bolt is connected on the hanger on described locating flange, the other end of flower basket bolt is connected on the hanger on described second ring sealing surface flange.
2. extra large pipe connection according to claim 1 spherical flange connector under water, it is characterized in that: also comprise an adjusting bolt, described adjusting bolt is arranged in described locating flange and ball is blue, and adjusting bolt is arranged with spring.
3. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: the internal surface of the ball section of described spheroid is made up of inner conical surface and inner cylinder.
4. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: the outer convex spherical front end of the ball section of described spheroid and the indent mating spherical surfaces of ball flange inner surface adopt metallic packing ring to form metal sealing.
5. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: the interior concave spherical surface of described locating flange internal surface is provided with groove and the O shape ring recess for placing O shape circle.
6. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: be provided with dust ring between the front end of the outer convex spherical of the ball section of described spheroid and the interior concave spherical surface of described ball flange inner surface.
7. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: be also provided with metal o-ring and back-up ring between the front end of the outer convex spherical of the ball section of described spheroid and the interior concave spherical surface of described ball flange inner surface.
8. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: be provided with gasket ring between described ball orchid and the contact end face of first ring sealing surface flange.
9. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: described ball orchid is provided with oil gun.
10. extra large pipe connection according to claim 1 spherical flange connector under water, is characterized in that: described second ring sealing surface flange is connected on the cylindrical section of described spheroid by the mode of welding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410818862.5A CN104514934A (en) | 2014-12-25 | 2014-12-25 | Underwater spherical flange connector for connecting submarine pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410818862.5A CN104514934A (en) | 2014-12-25 | 2014-12-25 | Underwater spherical flange connector for connecting submarine pipe |
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Publication Number | Publication Date |
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CN104514934A true CN104514934A (en) | 2015-04-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410818862.5A Pending CN104514934A (en) | 2014-12-25 | 2014-12-25 | Underwater spherical flange connector for connecting submarine pipe |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106275300A (en) * | 2016-08-12 | 2017-01-04 | 上海交通大学 | The attachment means of Very Large Floating Structure module based on rods |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530526A (en) * | 1981-06-08 | 1985-07-23 | Big-Inch Marine Systems, Inc. | Swivel coupling element |
CN2575404Y (en) * | 2002-08-26 | 2003-09-24 | 中冶集团重庆钢铁设计研究总院 | Pipe-menders |
CN103527880A (en) * | 2013-10-25 | 2014-01-22 | 苏州道森钻采设备股份有限公司 | Small-angle adjustable spherical connector of subsea pipelines |
CN203517086U (en) * | 2013-10-25 | 2014-04-02 | 山东彼岸电力科技有限公司 | Tension tool |
CN204387542U (en) * | 2014-12-25 | 2015-06-10 | 苏州道森钻采设备股份有限公司 | Sea pipe connects uses spherical flange connector under water |
-
2014
- 2014-12-25 CN CN201410818862.5A patent/CN104514934A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530526A (en) * | 1981-06-08 | 1985-07-23 | Big-Inch Marine Systems, Inc. | Swivel coupling element |
CN2575404Y (en) * | 2002-08-26 | 2003-09-24 | 中冶集团重庆钢铁设计研究总院 | Pipe-menders |
CN103527880A (en) * | 2013-10-25 | 2014-01-22 | 苏州道森钻采设备股份有限公司 | Small-angle adjustable spherical connector of subsea pipelines |
CN203517086U (en) * | 2013-10-25 | 2014-04-02 | 山东彼岸电力科技有限公司 | Tension tool |
CN204387542U (en) * | 2014-12-25 | 2015-06-10 | 苏州道森钻采设备股份有限公司 | Sea pipe connects uses spherical flange connector under water |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106275300A (en) * | 2016-08-12 | 2017-01-04 | 上海交通大学 | The attachment means of Very Large Floating Structure module based on rods |
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Application publication date: 20150415 |
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