CN212480454U - Sea pipe butt joint locking device and sea pipe butt joint structure - Google Patents
Sea pipe butt joint locking device and sea pipe butt joint structure Download PDFInfo
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- CN212480454U CN212480454U CN202020681167.XU CN202020681167U CN212480454U CN 212480454 U CN212480454 U CN 212480454U CN 202020681167 U CN202020681167 U CN 202020681167U CN 212480454 U CN212480454 U CN 212480454U
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Abstract
The utility model discloses a sea pipe butt joint locking device and a sea pipe butt joint structure, wherein the sea pipe butt joint locking device comprises a rotary flange and a flange fixing ring which are sleeved on a pipe end connector of each sea pipe; the rotary flange can rotate and swing relative to the pipe end joint, and a plurality of connecting holes are formed in the rotary flange and are distributed at intervals along the circumferential direction of the rotary flange; the flange fixing ring is positioned on one side, far away from the other sea pipe, of the rotary flange and is spaced from the rotary flange, so that the axial movement of the rotary flange on the pipe end connector is limited, and a space is reserved for the shaking of the rotary flange. The utility model discloses a rotatable and the setting of rocking of rotary flange on the sea pipe for need not to align completely when the pipe end of sea pipe connects the relative connection and can realize connecting locking, simplify the mounting means, solve the sea pipe end connection difficult problem that meets at present, improve the efficiency of construction under water.
Description
Technical Field
The utility model relates to a sea pipe technical field especially relates to a sea pipe butt joint locking device and sea pipe butt joint structure.
Background
In recent years, the number of deepwater marine pipes is increasing, and accidents of marine pipe damage are more and more frequent due to the long years of marine pipe design and construction, pipeline corrosion, towing of trawlers and the like. Once the sea pipe is damaged, great threat is brought to the marine environment and the oil and gas field production, and the sea pipe maintenance mode accompanied by the sudden sea pipe damage is generally to replace the sea pipe of the damaged section. In order to reduce the huge economic loss such as marine environmental pollution and crude oil production stoppage, safe, quick and reliable replacement of damaged pipelines is particularly important. However, the maintenance and replacement of the deepwater marine pipe are difficult, and the cost is several times higher than that of the deepwater marine pipe. Therefore, the corresponding emergency maintenance scheme is researched aiming at the damage problem of the deepwater sea pipe, and the development of matched maintenance and replacement equipment has important significance for guaranteeing the safe production of the oil and gas field.
At present, when the rotary flange for connecting the end of the marine pipe, which is provided in China, is installed, the end of the marine pipe is required to be completely aligned, so that bolt holes of the two rotary flanges are ensured to be aligned and then locked. However, in practical underwater operations, due to the weight of the sea pipes and the flow of seawater, the flanges are difficult to align completely, and the work efficiency is extremely low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an improve the sea pipe butt joint locking device who connects locking efficiency between the sea pipe and have device's sea pipe butt joint structure.
The utility model provides a technical scheme that its technical problem adopted is: the method comprises the steps that a sea pipe butt joint locking device is provided and arranged on two sea pipes to be butted, and the sea pipe butt joint locking device comprises a rotating flange and a flange fixing ring which are sleeved on a pipe end connector of each sea pipe;
the rotary flange can rotate and swing relative to the pipe end joint, and a plurality of connecting holes are formed in the rotary flange and are distributed at intervals along the circumferential direction of the rotary flange;
the flange fixing ring is positioned on one side, far away from the other sea pipe, of the rotary flange and is spaced from the rotary flange, so that the axial movement of the rotary flange on the pipe end connector is limited, and a space is reserved for the shaking of the rotary flange.
Preferably, a raised ring part is arranged at the tail end of the pipe end joint of the sea pipe, an annular groove is correspondingly arranged on the inner periphery of the rotating flange, and the annular groove penetrates through the surface of the rotating flange, which is back to the flange fixing ring; the ring portion is embedded in the ring groove, and the rotating flange is limited between the ring portion and the flange fixing ring.
Preferably, a raised clamping ring is arranged on the pipe end joint of the sea pipe; the inner periphery of the flange fixing ring is provided with a clamping groove clamped on the clamping ring.
Preferably, the flange fixing ring comprises at least two ring segments that are joined in the circumferential direction; and the two opposite ends of each ring segment are respectively provided with a first flange protruding in the radial direction, and the first flange of one ring segment is butted with the first flange of the other ring segment.
Preferably, a through hole for the connecting piece to penetrate through is formed in the first flange and penetrates through the two opposite side faces of the first flange; the through holes of the two butted first flanges are oppositely communicated.
Preferably, the flange fixing ring further comprises a connecting member connecting the ring segments; the connecting piece is arranged in the through holes of the two butted first flanges in a penetrating mode.
Preferably, a second flange protruding in the radial direction is arranged on the outer side surface of the ring segment, and the second flange is spaced from the first flange.
Preferably, the flange fixing ring comprises two semicircular ring segments.
Preferably, the marine vessel butt-joint locking device further comprises a plurality of groups of bolt assemblies which are respectively matched with the plurality of connecting holes;
the bolt assemblies penetrate through the connecting holes of the two rotary flanges, and the two opposite rotary flanges are in butt joint.
The utility model also provides a submarine pipeline butt-joint structure, which comprises two submarine pipelines which are oppositely arranged and any one of the submarine pipeline butt-joint locking devices; the marine pipe butt-joint locking device is arranged on pipe end joints of the two marine pipes and is used for butt-joint locking of the two marine pipes.
The utility model has the advantages that: the rotary flange is arranged on the marine pipe in a rotatable and shaking manner, so that the pipe end joints of the marine pipe can be connected and locked without being completely aligned when being connected relatively, the installation mode is simplified, the problem of difficult pipe end connection of the marine pipe encountered currently is solved, and the underwater construction efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic cross-sectional view of an embodiment of the marine vessel docking structure of the present invention;
FIG. 2 is a schematic structural view of a middle sea pipe and a butt joint locking device for the upper sea pipe of the present invention;
FIG. 3 is a schematic view of the rotary flange of FIG. 2;
FIG. 4 is a schematic view of a ring segment of the flange mounting ring of FIG. 2.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the marine vessel butt-joint structure according to an embodiment of the present invention includes two marine vessels 10 disposed oppositely, and a marine vessel butt-joint locking device disposed on the marine vessel 10 for butt-joint and locking the two marine vessels 10 together.
The two sea pipes 10 are arranged in parallel in the axial direction, the opposite ends of the two sea pipes 10 are respectively provided with a pipe end joint 110, and the two sea pipes 10 are butted into a whole by the pipe end joints 110. The pipe end fitting 110 has an inner diameter greater than the inner diameter of the body of the marine pipe 10.
The marine vessel butt-joint locking device comprises a rotating flange 20 and a flange fixing ring 30 which are sleeved on a pipe end joint 110 of each marine vessel 10. The marine vessel butt-joint locking device comprises two rotary flanges 20 and two flange fixing rings 30 corresponding to two marine vessels 10 to be butt-jointed, wherein each marine vessel 10 is sleeved with one rotary flange 20 and one flange fixing ring 30.
Wherein the inner diameter of the rotary flange 20 is larger (slightly larger) than the outer diameter of the pipe end joint 110, and the rotary flange 20 can rotate and rock relative to the pipe end joint 110 of the sea pipe 10. The rotation of the rotating flange 20 is circumferential rotation relative to the sea pipe 10, the shaking of the rotating flange 20 is tilting back and forth between two opposite directions relative to the axial direction of the sea pipe 10, and the shaking angle α is shown in fig. 1.
The rotary flange 20 is provided with a plurality of connecting holes 21 distributed at intervals along the circumferential direction thereof for the penetration of bolt assemblies 40 to lock the rotary flanges 20 on the two sea pipes 10 together.
The flange fixing ring 30 is relatively fixed to the pipe end joint 110 of the sea pipe 10 and does not move in the axial direction of the sea pipe 10. On one sea pipe 10, the flange fixing ring 30 is located on the side of the rotary flange 20 away from the opposite sea pipe 10, spaced from the rotary flange 20, to limit the axial movement of the rotary flange 20 on the pipe end joint 110 and to allow room for the rocking of the rotary flange 20.
Specifically, as shown in fig. 1 and 3, a raised ring portion 11 is provided at the end of the pipe end fitting 110 of the sea pipe 10, and an annular groove 22 is correspondingly provided on the inner periphery of the rotary flange 20, and the annular groove 22 penetrates through the surface of the rotary flange 20 facing away from the flange fixing ring 30. The ring 11 is fitted into the ring groove 22 to restrain the rotary flange 20 between the ring 11 and the flange fixing ring 30 so that the rotary flange 20 does not slip out of the pipe end fitting 110.
In the pipe end joint 110 of the sea pipe 10, the rotary flange 20 is clamped between the ring part 11 and the flange fixing ring 30 by the matching of the ring groove 22 and the ring part 11, and the other inner peripheral side surface outside the ring groove 22 of the rotary flange 20 is matched with the outer peripheral surface of the pipe end joint 110. The amount of the angle α of the rotation flange 20 may depend on the difference between the inner diameter of the rotation flange 20 and the outer diameter of the pipe end fitting 1102 and the size of the fit clearance between the ring portion 11 and the ring groove 22.
The flange fixing ring 30 is specifically clamped on the pipe end joint 110 of the marine pipe 10, cannot move axially relative to the marine pipe 10, but can rotate relative to the marine pipe 10, and does not affect the limit of the flange fixing ring on the rotary flange 20.
As shown in fig. 1 and 2, in order to clamp the flange fixing ring 30 on the marine pipe 10, a raised clamping ring 12 is provided on the pipe end joint 110 of the marine pipe 10, and a clamping groove 31 adapted to the clamping ring 12 is provided on the inner periphery of the flange fixing ring 30. The flange fixing ring 30 is engaged with the clamp ring 12 via the engaging groove 31 on the pipe end joint 110 of the sea pipe 10, and the flange fixing ring 30 is positioned on the pipe end joint 110.
The shape of the clamp ring 12 corresponds to that of the clamp groove 31, and the cross-sectional shape may be rectangular as shown in fig. 1, or may be various shapes such as arc.
To facilitate the mounting and dismounting of the flange fixing ring 30 on the marine pipe 10, the flange fixing ring 30 may be formed by connecting a plurality of separate pieces. For example, as shown in fig. 2 and 4, the flange fixing ring 30 includes at least two ring segments 32 joined in the circumferential direction. Opposite ends of each ring segment 32 are respectively provided with a first flange 33 protruding in the radial direction, and the first flange 33 of one ring segment 32 is butted with the first flange 33 of the other ring segment 32.
The inner side of each ring segment 32 is provided with an elongated slot extending along its length. After two or more ring segments 32 are connected, the long grooves of the ring segments 32 are connected and communicated to form an integral clamping groove 31.
The first flange 33 is provided with a through hole 330 penetrating through opposite two side surfaces thereof for the connection member 35 to penetrate. The through holes 330 of the two butted first flanges 33 are oppositely communicated, and the two first flanges 33 are butted together by fitting the connecting members 35 in the two opposite through holes 330, thereby connecting the two ring segments 32.
The flange fixing ring 30 further includes a connecting member 35 for connecting the ring segments 32, as required. The connecting member 35 is inserted through the through holes 330 of the two butted first flanges 33. The connecting member 35 may be a screw, a bolt, etc., and the through hole 330 corresponds to a screw hole.
The arrangement of the first flange 33 protruding in the radial direction on each ring segment 32 not only facilitates the butt joint between the two ring segments 32, but also increases the radial area of the flange fixing ring 30 and increases the stressed area between the flange fixing ring 30 and the rotating flange 20.
In order to further increase the force-bearing area between the flange fixing ring 30 and the rotating flange 20, a radially protruding second flange 34 may be further provided on the outer side surface of each ring segment 32, and the second flange 34 may be identical in shape and size to the first flange 33, and located between two first flanges 33 at two ends and spaced from the first flanges 33. The second flange 34 may be one or more.
As shown in fig. 2 and 4, in the present embodiment, the flange fixing ring 30 includes two semicircular ring segments 32, and the two ring segments 32 are butted to form the flange fixing ring 30 having an overall circular ring shape. Each ring segment 32 is provided with a second flange 34, located in an intermediate position between the two first flanges 33.
Further, the marine vessel butt-joint locking device further comprises a plurality of groups of bolt assemblies 40 which are respectively matched with the plurality of connecting holes 21.
The bolt assemblies 40 are inserted into the connecting holes 21 of the two rotating flanges 20 to butt the two rotating flanges 20 opposite to each other. The bolt assembly 40 generally includes a bolt and at least one nut adapted thereto.
The utility model discloses a butt joint of submarine pipeline 10 when going on under water among the submarine pipeline butt joint structure, can be accomplished by the diver's operation, realizes two submarine pipeline 10's connection. When the marine pipe butt joint locking device is installed, the rotary flange 20 is firstly clamped on the pipe end joint 110 of the marine pipe 10, and then the flange fixing ring 30 is locked on the pipe end joint 110. The pipe end fitting 110 may be assembled by rotating the flange 20 and the flange fixing ring 30 and then welded to the end of the marine pipe 10. When the marine pipes 10 are butted and locked, the rotary flanges 20 of the two marine pipes 10 are roughly aligned (not required to be completely aligned), a diver inserts bolts into the connecting holes 21 of one rotary flange 20, then rotates or shakes the rotary flange 20 to insert the bolts into the connecting holes 21 of the other rotary flange 20, the operation is repeated until all the bolts are installed, and then the bolts are locked, so that the butt locking of the marine pipes 10 is completed.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A sea pipe butt joint locking device is arranged on two sea pipes to be butt jointed and is characterized by comprising a rotary flange and a flange fixing ring, wherein the rotary flange and the flange fixing ring are sleeved on a pipe end connector of each sea pipe;
the rotary flange can rotate and swing relative to the pipe end joint, and a plurality of connecting holes are formed in the rotary flange and are distributed at intervals along the circumferential direction of the rotary flange;
the flange fixing ring is positioned on one side, far away from the other sea pipe, of the rotary flange and is spaced from the rotary flange, so that the axial movement of the rotary flange on the pipe end connector is limited, and a space is reserved for the shaking of the rotary flange.
2. The marine pipe butt-joint locking device according to claim 1, wherein a raised ring part is arranged at the end of the pipe end joint of the marine pipe, an annular groove is correspondingly arranged on the inner periphery of the rotating flange, and the annular groove penetrates through the surface of the rotating flange, which is back to the flange fixing ring; the ring portion is embedded in the ring groove, and the rotating flange is limited between the ring portion and the flange fixing ring.
3. The marine pipe butt-joint locking device according to claim 1, wherein a raised clamping ring is arranged on the pipe end joint of the marine pipe; the inner periphery of the flange fixing ring is provided with a clamping groove clamped on the clamping ring.
4. The marine pipe butt locking apparatus of claim 1, wherein the flange fixing ring comprises at least two ring segments joined in a circumferential direction; and the two opposite ends of each ring segment are respectively provided with a first flange protruding in the radial direction, and the first flange of one ring segment is butted with the first flange of the other ring segment.
5. The marine vessel butt-joint locking device according to claim 4, wherein a through hole for a connecting piece to pass through is formed in the first flange and penetrates through two opposite side faces of the first flange; the through holes of the two butted first flanges are oppositely communicated.
6. The marine pipe butt locking apparatus of claim 5 wherein the flange fixing ring further comprises a connector connecting the ring segments; the connecting piece is arranged in the through holes of the two butted first flanges in a penetrating mode.
7. The marine vessel butt-joint locking device as claimed in claim 4, wherein a second flange protruding in a radial direction is provided on an outer side surface of the ring segment, and the second flange is spaced apart from the first flange.
8. The marine pipe butt locking apparatus of claim 4 wherein the flange retainer ring comprises two semicircular ring segments.
9. The marine vessel butt-joint locking device according to any one of claims 1 to 8, further comprising a plurality of sets of bolt assemblies respectively disposed in cooperation with the plurality of connection holes;
the bolt assemblies penetrate through the connecting holes of the two rotary flanges, and the two opposite rotary flanges are in butt joint.
10. A marine vessel butt joint structure, comprising two marine vessels which are oppositely arranged, and the marine vessel butt joint locking device of any one of claims 1 to 9; the marine pipe butt-joint locking device is arranged on pipe end joints of the two marine pipes and is used for butt-joint locking of the two marine pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020681167.XU CN212480454U (en) | 2020-04-28 | 2020-04-28 | Sea pipe butt joint locking device and sea pipe butt joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020681167.XU CN212480454U (en) | 2020-04-28 | 2020-04-28 | Sea pipe butt joint locking device and sea pipe butt joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN212480454U true CN212480454U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020681167.XU Active CN212480454U (en) | 2020-04-28 | 2020-04-28 | Sea pipe butt joint locking device and sea pipe butt joint structure |
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| CN (1) | CN212480454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
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2020
- 2020-04-28 CN CN202020681167.XU patent/CN212480454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN111473179B (en) * | 2020-04-28 | 2024-03-29 | 中海油深圳海洋工程技术服务有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
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Address after: 518000 B2903, CNOOC building, 3168 Houhaibin Road, Yulan Coast Community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 518000 B2903, CNOOC building, 3168 Houhaibin Road, Yulan Coast Community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |