CN215862212U - Single-point pipeline outward-conveying connecting device - Google Patents

Single-point pipeline outward-conveying connecting device Download PDF

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Publication number
CN215862212U
CN215862212U CN202121749647.6U CN202121749647U CN215862212U CN 215862212 U CN215862212 U CN 215862212U CN 202121749647 U CN202121749647 U CN 202121749647U CN 215862212 U CN215862212 U CN 215862212U
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China
Prior art keywords
positioning mechanism
hoisting structure
flange
single point
transition
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CN202121749647.6U
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Chinese (zh)
Inventor
董宝辉
刘波
纪志远
胡海峰
陈鸿玉
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China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
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China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
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Abstract

The utility model discloses a single-point pipeline external transmission connecting device which comprises a transition part, wherein one side of the transition part is connected with a first connecting part, the other side of the transition part is connected with a second connecting part, the top of the transition part is provided with a hoisting structure, the hoisting structure is provided with a hoisting hole, and the hoisting structure is provided with an exhaust hole; the device is particularly suitable for single-point mooring devices, can be applied to catenary buoy type single points, can also be applied to tower type single points, can effectively position and install the hose, can bear larger external load, protects the whole safe and stable operation of a single-point system, can be replaced, avoids the problem that the oil pipeline is integrally replaced due to the damage of the end face of a flange caused by the installation of the hose, avoids maintenance, can be directly replaced if damaged, and greatly reduces the cost; the design is novel, and popularization and application can bring remarkable economic benefits.

Description

Single-point pipeline outward-conveying connecting device
Technical Field
The utility model relates to the technical field of offshore oil engineering, in particular to a single-point pipeline outward-conveying connecting device.
Background
The single point mooring system for exporting is used for mooring a tanker or an FPSO (floating production storage and offloading unit), can enable the tanker to have a wind vane effect, and is one of important equipment for offshore oil development.
The prior art has the following defects or problems:
the existing catenary buoy type single-point outward transmission pipeline is directly connected with an outward transmission hose flange, an outward transmission hose needs to be installed and positioned on the sea, the problem that the flange of the single-point outward transmission pipeline cannot be accurately positioned and collides with an end face flange is often encountered in hoisting of a crane during installation, the flange of the single-point outward transmission pipeline is damaged, the leakage risk is caused, the whole construction period is further influenced, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, when the existing single-point type crane is installed, accurate positioning cannot be achieved and an end face flange cannot be collided, the flange of a single-point outward transmission pipeline is damaged, leakage risks are caused, the whole construction period is influenced, and large economic losses are caused.
In order to realize the effective positioning and installation of the hose, the hose can bear larger external load, and the whole single-point system is protected to operate safely and stably; the oil pipeline can be replaced, the problem that the oil pipeline is integrally replaced due to the fact that the end face of the flange is damaged due to the fact that the hose is installed is avoided, maintenance is avoided, if the end face is damaged, the oil pipeline can be directly replaced, and the purpose of greatly reducing cost is achieved, and the technical scheme is as follows:
the utility model provides a single-point pipeline defeated connecting device outward, includes transition portion, transition portion one side is connected with first connecting portion, transition portion opposite side is connected with the second connecting portion, transition portion top is equipped with hoisting structure, hoisting structure is equipped with the hole for hoist, hoisting structure is equipped with the exhaust hole.
Furthermore, the outside of the first connecting part is connected with a first positioning mechanism, and the outside of the second connecting part is connected with a second positioning mechanism.
Furthermore, the first connecting portion and the second connecting portion are flanges, and the edges of the flanges are fixedly connected with the first positioning mechanism and the second positioning mechanism respectively.
Furthermore, the first positioning mechanism and the second positioning mechanism comprise a triangular plate, a first rope guide device and a second rope guide device are arranged on the triangular plate, and the first positioning mechanism and the second positioning mechanism are respectively provided with two rope guide devices and are symmetrically arranged on two sides of the flange plate.
Furthermore, the first rope guiding device and the second rope guiding device are both cylinders, the cylinders are hollow, the spaces of two ends of the cylinders are large, the space of the middle of the cylinders is small, and the positions of the first rope guiding device correspond to the positions of the second rope guiding device.
Further, the transition portion main part is pipeline reducing pipe, the path of transition portion and the top fixed connection of first connecting portion, the major diameter of transition portion and the top fixed connection of second connecting portion.
Furthermore, hoisting structure is triangle-shaped, hoisting structure's top fillet, the hoisting hole is located hoisting structure's upper portion intermediate position, the exhaust hole is located hoisting structure's lower part intermediate position and the exhaust hole is semi-circular.
Further, first connecting portion flange is the plane flange, the second connecting portion flange is the convex surface flange, lead rope device one and lead rope device two and set up in opposite directions, the outside of first connecting portion, transition portion and second connecting portion all is scribbled the plastic-coated anticorrosion paint.
Compared with the prior art, the utility model provides a single-point pipeline external transmission connecting device, which has the following beneficial effects:
by arranging the hoisting structure, the first connecting part, the second connecting part, the transition part, the hoisting hole and the exhaust hole, the device is particularly suitable for a single-point mooring device, can be applied to a catenary buoy type single point and also can be applied to a tower type single point, can effectively position and install a hose, can bear larger external load, protects the whole safe and stable operation of a single-point system, can be replaced, avoids the problem that the oil pipeline is integrally replaced due to the damage of the end face of a flange caused by the installation of the hose, avoids maintenance, can be directly replaced if damaged, and greatly reduces the cost; the design is novel, and popularization and application can bring remarkable economic benefits.
Drawings
FIG. 1 is a front cross-sectional structural view of a single-point pipeline output connecting device according to the present invention;
FIG. 2 is a side view of a single point pipe outfeed connection according to the present invention;
fig. 3 is a partial view of a single point pipe outfeed connection according to the present invention.
Illustration of the drawings:
1. hoisting the structure; 2. a first connection portion; 3. a second connecting portion; 4. a transition section; 5. hoisting holes; 6. an exhaust hole; 21. a first positioning mechanism; 22. a first rope guide device; 31. a second positioning mechanism; 32. and a second rope guide device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a single-point pipeline external transmission connecting device comprises a transition part 4, one side of the transition part 4 is connected with a first connecting part 2, the other side of the transition part 4 is connected with a second connecting part 3, the top of the transition part 4 is provided with a hoisting structure 1, the hoisting structure 1 is provided with a hoisting hole 5, the hoisting structure 1 is provided with an exhaust hole 6, the outside of the first connecting part 2 is connected with a first positioning mechanism 21, the outside of the second connecting part 3 is connected with a second positioning mechanism 31, the main bodies of the first connecting part 2 and the second connecting part 3 are flanges, the edges of the flanges are respectively fixedly connected with the first positioning mechanism 21 and the second positioning mechanism 31, the first positioning mechanism 21 and the second positioning mechanism 31 comprise triangular plates, the triangular plates are provided with a first rope guide device 22 and a second rope guide device 32, the first positioning mechanism 21 and the second positioning mechanism 31 are respectively provided with two and symmetrically arranged at two sides of the flange, the bottom of the first connecting part 2 is connected with mating flanges of a hose, through bolted connection, the bolt outside is scribbled to mould has the anticorrosive paint, and the flange is for forging, also can be for casting, the material can be the carbon steel, also can be for stainless steel, or high-strength steel, and positioning mechanism 21 arranges in the ring flange both sides, can be for the dispersion arrangement, also can be for symmetrical arrangement, is symmetrical arrangement in this embodiment in the ring flange both sides.
The outer part of the hoisting structure 1 is provided with a second connecting part 3, the bottom of the second connecting part 3 is connected with a rigid hard pipe flange which is connected through a bolt and is also a convex flange, the outer part of the second connecting part 3 is fixedly connected with a second positioning mechanism 31, the inner part of the second positioning mechanism 31 is provided with a second rope guide device 32, the top of the second connecting part 3 is fixedly connected with a transition part 4, the position of the first rope guide device 22 corresponds to the position of the second rope guide device 32, the first rope guide device 22 and the second rope guide device 32 are cylinders which are hollow, the inner space of the cylinder is large at two ends, the space of the middle part is small, the cylinder is used for penetrating and connecting a positioning rope, the space of the two ends is large, the rope can conveniently penetrate and penetrate, the transition part 4 is fixedly connected with the top of the first connecting part 2, the main body of the transition part 4 is a pipeline reducing pipe fitting, and the top of the transition part 4 is fixedly connected with the hoisting structure 1, the small diameter of the transition part 4 is fixedly connected with the top of the first connecting part 2, the large diameter of the transition part 4 is fixedly connected with the top of the second connecting part 3, the hoisting structure 1 is triangular, the top of the hoisting structure 1 is provided with a fillet, the hoisting hole 5 is positioned at the upper middle position of the hoisting structure 1, the exhaust hole 6 is positioned at the lower middle position of the hoisting structure 1 and is semicircular, the flange of the first connecting part 2 is a planar flange, the flange of the second connecting part 3 is a convex flange, the flange of the first connecting part 2 is a rotating flange, the flange can rotate and is convenient to be positioned and installed with a flange disc hole of a hose, only a second positioning mechanism 31 of the second connecting part 3 is reserved for pulling the auxiliary positioning installation hose, a first rope guiding device 22 and a second rope guiding device 32 are oppositely arranged, the outer parts of the first connecting part 2, the transition part 4 and the second connecting part 3 are coated with anticorrosive paint, the single-point pipeline output device can be used in a long-term soaking state in seawater, and compared with the traditional float-type single-point hose installation, the single-point pipeline output device can effectively position and install the hose, can bear larger external load and protect the whole safe and stable operation of a single-point system; the oil pipeline can be replaced, the problem that the oil pipeline is integrally replaced due to the fact that the end face of the flange is damaged due to the fact that the hose is installed is avoided, maintenance is avoided, if the end face is damaged, the oil pipeline can be directly replaced, and cost is greatly reduced; the design is novel, and popularization and application can bring remarkable economic benefits.
The working principle is as follows: when the pipeline connecting device is used, the second connecting part 3 of the pipeline connecting device is fixedly connected to the rigid hard pipe by the crane, the hose is installed by the crane, the end part of the hose is hoisted to be close to the first connecting part 2, and then the hose and the pipeline connecting device are pulled close by the first rope guide device 22 and the second rope guide device 32, so that the pipeline connecting device can be continuously positioned and installed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a single point pipeline exports connecting device which characterized in that: including transition portion (4), transition portion (4) one side is connected with first connecting portion (2), transition portion (4) opposite side is connected with second connecting portion (3), transition portion (4) top is equipped with hoisting structure (1), hoisting structure (1) is equipped with hole for hoist (5), hoisting structure (1) is equipped with exhaust hole (6).
2. The single point pipe external connection device according to claim 1, wherein: the outer part of the first connecting part (2) is connected with a first positioning mechanism (21), and the outer part of the second connecting part (3) is connected with a second positioning mechanism (31).
3. The single point pipe external connection device according to claim 2, wherein: the main bodies of the first connecting part (2) and the second connecting part (3) are flanges, and the edges of the flanges are fixedly connected with the first positioning mechanism (21) and the second positioning mechanism (31) respectively.
4. The single point pipe external connection device according to claim 2, wherein: the first positioning mechanism (21) and the second positioning mechanism (31) comprise a triangular plate, a first rope guiding device (22) and a second rope guiding device (32) are arranged on the triangular plate, and the first positioning mechanism (21) and the second positioning mechanism (31) are respectively provided with two rope guiding devices and are symmetrically arranged on two sides of the flange plate.
5. The single point pipe external connection device according to claim 4, wherein: the rope guiding device I (22) and the rope guiding device II (32) are cylinders, the cylinders are hollow, the spaces of two ends of the cylinders are large, the space of the middle of the cylinders is small, and the position of the rope guiding device I (22) corresponds to the position of the rope guiding device II (32).
6. The single point pipe external connection device according to claim 1, wherein: the main body of the transition part (4) is a pipeline reducer pipe fitting, the small diameter of the transition part (4) is fixedly connected with the top of the first connecting part (2), and the large diameter of the transition part (4) is fixedly connected with the top of the second connecting part (3).
7. The single point pipe external connection device according to claim 1, wherein: hoisting structure (1) is triangle-shaped, the top fillet of hoisting structure (1), hoisting hole (5) are located the upper portion intermediate position of hoisting structure (1), exhaust hole (6) are located the lower part intermediate position of hoisting structure (1) and exhaust hole (6) are semi-circular.
8. The single point pipe external connection device according to claim 4, wherein: the flange of first connecting portion (2) is the planar flange, the flange of second connecting portion (3) is the convex surface flange, leading rope device (22) sets up with leading rope device two (32) in opposite directions, the outside of first connecting portion (2), transition portion (4) and second connecting portion (3) is all scribbled and is moulded anticorrosive paint.
CN202121749647.6U 2021-07-29 2021-07-29 Single-point pipeline outward-conveying connecting device Active CN215862212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121749647.6U CN215862212U (en) 2021-07-29 2021-07-29 Single-point pipeline outward-conveying connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121749647.6U CN215862212U (en) 2021-07-29 2021-07-29 Single-point pipeline outward-conveying connecting device

Publications (1)

Publication Number Publication Date
CN215862212U true CN215862212U (en) 2022-02-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114962833A (en) * 2022-05-12 2022-08-30 深圳海油工程水下技术有限公司 But single point mooring FPSO's suspension type abnormal shape flange reducing joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114962833A (en) * 2022-05-12 2022-08-30 深圳海油工程水下技术有限公司 But single point mooring FPSO's suspension type abnormal shape flange reducing joint

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