CN203533051U - Small-angle adjustable spherical subsea pipeline connector - Google Patents
Small-angle adjustable spherical subsea pipeline connector Download PDFInfo
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- CN203533051U CN203533051U CN201320661294.3U CN201320661294U CN203533051U CN 203533051 U CN203533051 U CN 203533051U CN 201320661294 U CN201320661294 U CN 201320661294U CN 203533051 U CN203533051 U CN 203533051U
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- angle adjustable
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Abstract
The utility model discloses a small-angle adjustable spherical subsea pipeline connector which comprises a ball, a ball flange, a mounting flange, a rotary flange assembly, studs and an adjusting bolt. The rotary flange assembly comprises a rotary flange ring and a rotary flange hub, the front end of an outer convex spherical surface of a ball section of the ball is matched with an inner concave spherical surface of the inner surface of the ball flange to form a metal seal, the rear end of the outer convex spherical surface of the ball section of the ball is matched with an inner concave spherical surface of the inner surface of the mounting flange, the rotary flange ring and the rotary flange hub are assembled together, the rotary flange ring, the ball flange and the mounting flange are connected together through the studs, a first nut and a second nut, the adjusting bolt is arranged in the mounting flange and a threaded hole in the ball flange in a penetrating mode, and the adjusting bolt is sleeved with a spring. The subsea pipeline connector is adjustable in angle, high in reliability, easy and fast to install, compact and simple in structure, low in manufacturing cost, convenient to operate and suitable for common operating conditions, acid operating conditions including H2S and CO2 and other severe operating conditions including sand.
Description
Technical field
The utility model relates to submarine pipeline mounting technique field, particularly a kind of small angle adjustable spherical sea tube connector.
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, difficulty due to subaqueous survey and construction, the size deviation prefabricated and that install of submarine pipeline is larger, to submarine pipeline, connect and brought a lot of difficulties, and cause underwater flange to occur poorly sealed problem under the effect of pipeline deviation external carbuncle, and easily leak, occur to cause submarine oil to leak after this type of accident, destroy the personal safety that ocean environment even endangers Field Force, cause national wealth loss.It is unreliable that augular offset during submarine pipeline connects not only makes flange connect, and also makes underwater construction complicated.
Model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of small angle adjustable spherical sea tube connector.This ball-type sea tube connector adjustable-angle, reliability be high, simple and fast is installed, and compact structure is simple, low cost of manufacture, easy to operate, is applicable to general operating mode and containing H
2s, CO
2the acid operating mode of gas and containing the bad working environments such as sand.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions: a kind of small angle adjustable spherical sea tube connector, comprise spheroid, ball flange, locating flange, rotary flange assembly, double-screw bolt and adjusting bolt, rotary flange assembly comprises rotary flange ring and rotary flange hub, spheroid comprises ball section and cylindrical section, the outer surface of described ball section is evagination sphere, the internal surface of described ball flange is provided with interior concave spherical surface, the internal surface of locating flange is provided with interior concave spherical surface, the front end of the evagination sphere of the ball section of spheroid coordinates formation metal sealing with the interior concave spherical surface of ball flange internal surface, the rear end of the evagination sphere of the ball section of spheroid coordinates with the interior concave spherical surface of locating flange internal surface, rotary flange ring and rotary flange hub are assembled together, rotary flange ring, between ball flange and locating flange, pass through double-screw bolt, cooperating together of the first nut and the second nut, described adjusting bolt is arranged in the tapped hole on described locating flange and ball flange, in adjusting bolt, be arranged with spring, adjusting bolt and spring carry out pretension can make the evagination sphere of ball section and the interior concave spherical surface of ball flange rotate under frictional force, ball flange is provided with positioning screwn, positioning screwn and rotary flange assembly can be aimed at ball flange and locating flange.
Further, the internal surface of the ball section of described spheroid is comprised of inner conical surface and inner cylinder.
Further, on described ball flange, be also provided with oil gun.This oil gun injects seal gease under pressure testing and fortuitous event, realizes emergency sealing.
Further, the interior concave spherical surface of described locating flange internal surface is provided with some grooves, is conducive to the deposition of dregs, prevents that dregs from entering metallic sealing section, thereby realizes protection sealing surface, the working life of improving connector.
Further, between the front end of the evagination sphere of the ball section of described spheroid and the interior concave spherical surface of described ball flange internal surface, be provided with O shape circle and dust ring.O shape circle can be in case seawater external pressure; Dust ring can be used for the protection to the metal sealing forming between the ball section evagination sphere of spheroid and the interior concave spherical surface of ball flange under rugged environment.
Further, between described rotary flange hub and the surface of contact of rotary flange ring, support ring is installed, this support ring is fixed by Steel Cable Baffle Ring.
Further, between the end face of described locating flange and the end face of ball flange, be provided with baffle ring, this baffle ring positions by pin.
Further, between described rotary flange hub and the contact end face of ball flange, be provided with gasket ring.
Further, on the outer side wall of described rotary flange ring and the outer side wall of locating flange, be respectively equipped with hanger screw.
The beneficial effects of the utility model are: the utility model is by adjusting bolt and the suitable pretension of spring, the evagination sphere of spherical ball section and the interior concave spherical surface of ball flange internal surface can freely be rotated under less frictional force, by the second nut on tensioner pretension double-screw bolt, make the evagination sphere of spherical ball section and the interior concave spherical surface of ball flange internal surface realize metal sealing, eliminated the impact of the augular offset of submarine pipeline in connecting on sealing and pipe stress, flange is connected more safe and reliable, it is more simple, quick that underwater construction becomes.The utility model adopts positioning screwn and rotary flange assembly can realize rapid alignment ball flange and locating flange, makes scene connect under water submarine pipeline more simple and quick; Between rotary flange hub and rotary flange ring, support ring is installed, rotary flange ring energy rapid alignment while making to install under water.The utility model adopts collection rotation and the design of alignment function integral structure, makes the adjustable connection angle of this sea tube connector, is convenient to the connection of submarine pipeline fast and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model small angle adjustable spherical sea tube connector.
Fig. 2 is upper half part partial structurtes schematic diagram of the sea of small angle adjustable spherical shown in Fig. 1 tube connector.
Fig. 3 is the structure for amplifying schematic diagram of A part in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
As shown in Figure 1 to Figure 3, a kind of small angle adjustable spherical sea tube connector, comprise spheroid 3, ball flange 9, locating flange 2, rotary flange assembly, double-screw bolt 15 and adjusting bolt 17, spheroid 3 comprises ball section 31 and cylindrical section 32, rotary flange assembly comprises rotary flange ring 11 and rotary flange hub 12, the outer surface of ball section 31 is evagination sphere, the internal surface of the ball section 31 of spheroid 3 is comprised of inner conical surface and inner cylinder, the internal surface of ball flange 9 is provided with interior concave spherical surface, the internal surface of locating flange 2 is provided with interior concave spherical surface, the front end of the evagination sphere of the ball section 31 of spheroid 3 coordinates formation metal sealing with the interior concave spherical surface of ball flange 9 internal surfaces, the rear end of the evagination sphere of the ball section 31 of spheroid 3 coordinates with the interior concave spherical surface of locating flange 2 internal surfaces, rotary flange ring 11 is assembled together with rotary flange hub 12, rotary flange ring 11, between ball flange 9 and locating flange 2, pass through double-screw bolt 15, cooperating together of the first nut 1 and the second nut 16, adjusting bolt 17 is arranged in the tapped hole on locating flange 2 and ball flange 9, in adjusting bolt 17, be arranged with spring 19, adjusting bolt 17 and spring 19 carry out pretension can make the evagination sphere of ball section 31 and the interior concave spherical surface of ball flange 9 rotate under frictional force, ball flange 9 is provided with positioning screwn 18, positioning screwn 18 and rotary flange assembly can be aimed at ball flange 9 and locating flange 2.
Utilize extra large tube connector of the present utility model, when connecting submarine pipeline, it is inner that the submarine pipeline that need are connected inserts this connector, utilize rotary flange assembly and positioning screwn 18 to be connected with the ball flange 9 and locating flange 2 rapid alignments that are connected with another section of submarine pipeline of one section of submarine pipeline, by double-screw bolt 15, the first nut 1 and the second nut 16, by rotary flange ring 11, ball flange 9 and locating flange 2 link together, adjusting bolt 17 is arranged in the tapped hole on locating flange 2 and ball flange 9, and in adjusting bolt 17, be arranged with spring 19, by adjusting bolt 17 and the suitable pretension of spring 19, make the evagination sphere of ball section 31 and the interior concave spherical surface of ball flange 9 internal surfaces of spheroid 3 can under less frictional force, freely rotate down (360 ° of axial rotation, and the drift angle of axial rotation is 10 ° to the maximum), by the second nut 16 on tensioner pretension double-screw bolt 15, make the evagination sphere of ball section and the interior concave spherical surface of ball flange 9 internal surfaces of spheroid 3 realize metal sealing, eliminated the impact of the augular offset of submarine pipeline in connecting on sealing and pipe stress, flange is connected more safe and reliable, it is simpler that underwater construction becomes, fast.The cooperation of positioning screwn and rotary flange assembly can realize rapid alignment ball flange and locating flange, makes scene connect under water submarine pipeline more simple and quick.
On ball flange 9, be also provided with oil gun 7.This oil gun 7 injects seal gease under pressure testing and fortuitous event, can realize emergency sealing.
The interior concave spherical surface of described locating flange 2 internal surfaces is provided with some grooves 20, is conducive to the deposition of dregs, prevents that dregs from entering metallic sealing section, thereby realizes protection sealing surface, the working life of improving connector.
Between the interior concave spherical surface of the front end of the evagination sphere of the ball section 31 of spheroid 3 and ball flange 9 internal surfaces, be provided with O shape circle 6 and dust ring 8.O shape circle 6 can be in case seawater external pressure; Dust ring 8 is for the protection to the metal sealing forming between the ball section 31 evagination spheres of spheroid 3 and the interior concave spherical surface of ball flange 9 under rugged environment.
Between the end face of the end face of locating flange 2 and ball flange 9, be provided with baffle ring 4, can prevent from damaging sealing surface in pretension process.This baffle ring 4 positions by pin.
Between the contact end face of rotary flange hub 12 and ball flange 9, be provided with gasket ring 10, can better realize sealing.
On the outer side wall of the outer side wall of rotary flange ring 11 and locating flange 2, be respectively equipped with hanger screw 5, for the lifting of this sea tube connector.
Structure adjustable-angle of the present utility model, reliability be high, simple and fast is installed, and compact structure is simple, low cost of manufacture, easy to operate, is applicable to general operating mode and containing H
2s, CO
2the acid operating mode of gas and containing the bad working environments such as sand.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; 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 utility model.
Claims (9)
1. small angle adjustable spherical sea tube connector, it is characterized in that: comprise spheroid, ball flange, locating flange, rotary flange assembly, double-screw bolt and adjusting bolt, rotary flange assembly comprises rotary flange ring and rotary flange hub, spheroid comprises ball section and cylindrical section, the outer surface of described ball section is evagination sphere, the internal surface of described ball flange is provided with interior concave spherical surface, the internal surface of locating flange is provided with interior concave spherical surface, the front end of the evagination sphere of the ball section of spheroid coordinates formation metal sealing with the interior concave spherical surface of ball flange internal surface, the rear end of the evagination sphere of the ball section of spheroid coordinates with the interior concave spherical surface of locating flange internal surface, rotary flange ring and rotary flange hub are assembled together, rotary flange ring, between ball flange and locating flange, pass through double-screw bolt, cooperating together of the first nut and the second nut, described adjusting bolt is arranged in the tapped hole on described locating flange and ball flange, in adjusting bolt, be arranged with spring, adjusting bolt and spring carry out pretension can make the evagination sphere of ball section and the interior concave spherical surface of ball flange rotate under frictional force, ball flange is provided with positioning screwn, positioning screwn and rotary flange assembly can be aimed at ball flange and locating flange.
2. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: the internal surface of the ball section of described spheroid is comprised of inner conical surface and inner cylinder.
3. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: on described ball flange, be also provided with oil gun.
4. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: the interior concave spherical surface of described locating flange internal surface is provided with some grooves.
5. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: between the front end of the evagination sphere of the ball section of described spheroid and the interior concave spherical surface of described ball flange internal surface, be provided with O shape circle and dust ring.
6. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: between described rotary flange hub and the surface of contact of rotary flange ring, support ring is installed, this support ring is fixed by Steel Cable Baffle Ring.
7. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: between the end face of described locating flange and the end face of ball flange, be provided with baffle ring, this baffle ring positions by pin.
8. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: between described rotary flange hub and the contact end face of ball flange, be provided with gasket ring.
9. small angle adjustable spherical according to claim 1 sea tube connector, is characterized in that: on the outer side wall of described rotary flange ring and the outer side wall of locating flange, be respectively equipped with hanger screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320661294.3U CN203533051U (en) | 2013-10-25 | 2013-10-25 | Small-angle adjustable spherical subsea pipeline connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320661294.3U CN203533051U (en) | 2013-10-25 | 2013-10-25 | Small-angle adjustable spherical subsea pipeline connector |
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Publication Number | Publication Date |
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CN203533051U true CN203533051U (en) | 2014-04-09 |
Family
ID=50419256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320661294.3U Withdrawn - After Issue CN203533051U (en) | 2013-10-25 | 2013-10-25 | Small-angle adjustable spherical subsea pipeline connector |
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CN (1) | CN203533051U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN107881997A (en) * | 2017-11-14 | 2018-04-06 | 湖南中大经纬地热开发科技有限公司 | Feed ditch based on earth energy |
-
2013
- 2013-10-25 CN CN201320661294.3U patent/CN203533051U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN103527880B (en) * | 2013-10-25 | 2016-01-06 | 苏州道森钻采设备股份有限公司 | A kind of small angle adjustable spherical sea tube connector |
CN107881997A (en) * | 2017-11-14 | 2018-04-06 | 湖南中大经纬地热开发科技有限公司 | Feed ditch based on earth energy |
CN107881997B (en) * | 2017-11-14 | 2021-01-05 | 湖南中大经纬地热开发科技有限公司 | Irrigation canal based on ground energy utilization |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20160106 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |