CN208858306U - A kind of flexible coupling of Offshore Drilling Riser - Google Patents
A kind of flexible coupling of Offshore Drilling Riser Download PDFInfo
- Publication number
- CN208858306U CN208858306U CN201821311280.8U CN201821311280U CN208858306U CN 208858306 U CN208858306 U CN 208858306U CN 201821311280 U CN201821311280 U CN 201821311280U CN 208858306 U CN208858306 U CN 208858306U
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- cap
- traveller
- outer tube
- tube
- pipe end
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Abstract
The utility model discloses a kind of flexible couplings of Offshore Drilling Riser, including outer tube, are slidably arranged in the inner tube of the outer tube；Described outer tube one end is equipped with the outer pipe flange for connecting marine riser, said inner tube one end is slidably inserted into the outer tube, the other end of said inner tube is equipped with the interior pipe flange for connecting marine riser, hollow accommodating cavity is equipped in the middle part of the outer tube, it is equipped with sliding in the hollow accommodating cavity and moves disk, the sliding moves disk and is fixed on the outer wall of said inner tube, the sliding, which moves on disk upper and lower end face, is connected with traveller, and the traveller, which stretches out from the hollow accommodating cavity and is located at the part that sliding moves between disk and hollow accommodating cavity wall on traveller, is also arranged with spring.Marine riser is linked together by the connector that can be slided relatively, and the opposite sliding of the limitation inner tube of the traveller by being arranged with spring, to play buffer function to the vibration between marine riser.
Description
Technical field
The utility model belongs to offshore drilling engineering equipment field field, and in particular to a kind of Offshore Drilling Riser is delayed
Rush connector.
Background technique
As petroleum exploration and development is strided forward to ocean especially deep-sea, ocean floating type drilling platform becomes the weight of petroleum industry
One of equip.Drilling water-separation pipe is link important and weak in marine drilling equipment, has high-tech, high investment, height
The characteristics of risk.Since the large deformation of operation process and the complexity, self structure of load is non-linear, analysis method uncertain
Property, real response the factors such as abstractness, drilling water-separation pipe becomes the difficult point and emphasis of offshore oil equipment.Guarantee drilling riser
The safety of pipe is the inevitable requirement of offshore oil exploration and exploitation.
Each segmentation of current most of marine risers is all Hard link, during sea oil drilling and production, drilling water-separation pipe
It will receive and vibrated from the influence for including wave, sea wind and platform movement etc., it is tired that this vibration will lead to marine riser
Strain wound aggravates, or even damage.
Utility model content
To solve the above problems, the utility model discloses a kind of flexible coupling of Offshore Drilling Riser, by two every
Water pipe links together, and structure is simple, easy to operate, effectively slows down the vibration of marine riser.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of flexible coupling of Offshore Drilling Riser including outer tube, is slidably arranged in the inner tube of the outer tube；Institute
Outer tube one end is stated equipped with the outer pipe flange for connecting marine riser, said inner tube one end is slidably inserted into the outer tube, institute
The other end for stating inner tube is equipped with interior pipe flange for connecting marine riser, is equipped with hollow accommodating cavity in the middle part of the outer tube, it is described in
It is equipped with sliding in empty accommodating cavity and moves disk, the sliding moves disk and is fixed on the outer wall of said inner tube, and the sliding moves disk upper and lower side
Traveller is connected on face, the traveller, which stretches out from the hollow accommodating cavity and is located at sliding on traveller, to be moved in disk and hollow accommodating cavity
Part between wall is also arranged with spring.
As a kind of improvement of the utility model, the outer tube includes upper exterior tube, upper pipe end-cap, lower outer pipe, lower pipe end-cap,
The affixed outer pipe flange in one end of the upper exterior tube, the other end of the upper exterior tube and the upper pipe end-cap are affixed, the lower outer pipe
It is affixed with the lower pipe end-cap, outer tube sleeve, the upper pipe end-cap, down tube are connected between the upper pipe end-cap and lower pipe end-cap
End cap, outer tube sleeve surround the hollow accommodating cavity jointly.
As a kind of improvement of the utility model, the outer tube sleeve and the upper pipe end-cap, lower pipe end-cap pass through screw thread
It links together.
As a kind of improvement of the utility model, the traveller is stretched out from the upper pipe end-cap, lower pipe end-cap, the traveller
End is also connected with baffle.
As a kind of improvement of the utility model, circumferential direction of the traveller on the outside of inner tube is angularly uniformly arranged.
The beneficial effects of the utility model are:
1, the flexible coupling of a kind of Offshore Drilling Riser described in the utility model, will by the connector that can be slided relatively
Marine riser links together, and the opposite sliding of the limitation inner tube of the traveller by being arranged with spring, thus between marine riser
Vibration play buffer function.
2, baffle is set in the end of traveller, baffle main function is to prevent inner tube from completely falling off from outer tube outer tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Reference signs list:
1- outer tube, 101- upper exterior tube, the upper pipe end-cap of 102-, 103- lower outer pipe, pipe end-cap under 104-, 105- outer tube sleeve,
2- inner tube, the outer pipe flange of 3-, pipe flange in 4-, the hollow accommodating cavity of 5-, 6- sliding move disk, 7- traveller, 8- spring, 9- baffle.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
As shown, a kind of flexible coupling of Offshore Drilling Riser described in the utility model, including outer tube 1, sliding
Inner tube 2 inside the outer tube 1 is set；Described 1 one end of outer tube is equipped with the outer pipe flange 3 for connecting marine riser, described interior
2 one end of pipe is slidably inserted into the outer tube 1, and the other end of said inner tube 2 is equipped with the interior pipe flange for connecting marine riser
4, it is equipped with hollow accommodating cavity 5 in the middle part of the outer tube 1, sliding is equipped in the hollow accommodating cavity 5 and moves disk 6, the sliding moves disk 6 and consolidates
It connects on the outer wall of said inner tube 2, the sliding, which moves on 6 upper and lower end face of disk, is connected with traveller 7, and the traveller 7 is from described hollow
Accommodating cavity 5, which stretches out and is located at the part that sliding moves between disk 6 and 5 inner wall of hollow accommodating cavity on traveller 7, is also arranged with spring 8.
As one embodiment of the utility model, the outer tube 1 includes upper exterior tube 101, upper pipe end-cap 102, lower outer pipe
103, lower pipe end-cap 104, the affixed outer pipe flange 3 in one end of the upper exterior tube 101, the other end of the upper exterior tube 101 with it is described
Upper pipe end-cap 102 is affixed, and the lower outer pipe 103 and the lower pipe end-cap 104 are affixed, the upper pipe end-cap 102 and lower pipe end-cap
Outer tube sleeve 105 is connected between 104, the upper pipe end-cap 102, lower pipe end-cap 104, outer tube sleeve 105 surround described jointly
Hollow accommodating cavity 5.
As one embodiment of the utility model, the outer tube sleeve 105 and the upper pipe end-cap 102, lower pipe end-cap
104 are together by a threaded connection.
As one embodiment of the utility model, the traveller 7 is stretched from the upper pipe end-cap 102, lower pipe end-cap 104
Out, 7 end of traveller is also connected with baffle 9.
As one embodiment of the utility model, circumferential direction of the traveller 7 along 2 outside of inner tube is angularly uniformly arranged.
The structural principle of the utility model: outer pipe flange and interior pipe flange are separately connected two sections of marine risers, work as marine riser
Between when vibrating, will occur between outer tube, inner tube it is opposite slide, the traveller that the sliding of inner tube drives sliding to move on disk with
Move up and down, the spring being arranged on traveller with sliding move disk and upper pipe end-cap, the spacing of lower pipe end-cap shortening and compressed,
Reaction force is provided, to buffer the vibration between marine riser.
A kind of flexible coupling of Offshore Drilling Riser described in the utility model, by can the connector of opposite sliding will be every
Water pipe links together, and the opposite sliding of the limitation inner tube of the traveller by being arranged with spring, thus between marine riser
Buffer function is played in vibration.
Technological means disclosed in the utility model is not limited only to technological means disclosed in above embodiment, also
Including technical solution consisting of any combination of the above technical features.
Claims (5)
1. a kind of flexible coupling of Offshore Drilling Riser, it is characterised in that: including outer tube (1), be slidably arranged in the outer tube
(1) internal inner tube (2)；Described outer tube (1) one end is equipped with the outer pipe flange (3) for connecting marine riser, said inner tube (2) one
End is slidably inserted into the outer tube (1), and the other end of said inner tube (2) is equipped with the interior pipe flange for connecting marine riser
(4), hollow accommodating cavity (5) are equipped in the middle part of the outer tube (1), sliding is equipped in the hollow accommodating cavity (5) and moves disk (6), it is described
Sliding moves disk (6) and is fixed on the outer wall of said inner tube (2), and the sliding moves on disk (6) upper and lower end face and is connected with traveller (7),
The traveller (7), which stretches out from the hollow accommodating cavity (5) and is located at sliding on traveller (7), moves in disk (6) and hollow accommodating cavity (5)
Part between wall is also arranged with spring (8).
2. a kind of flexible coupling of Offshore Drilling Riser according to claim 1, it is characterised in that: the outer tube (1)
Including upper exterior tube (101), upper pipe end-cap (102), lower outer pipe (103), lower pipe end-cap (104), one end of the upper exterior tube (101)
Affixed outer pipe flange (3), the other end of the upper exterior tube (101) and the upper pipe end-cap (102) are affixed, the lower outer pipe
(103) affixed with the lower pipe end-cap (104), outer tube sleeve is connected between the upper pipe end-cap (102) and lower pipe end-cap (104)
Cylinder (105), the upper pipe end-cap (102), lower pipe end-cap (104), outer tube sleeve (105) surround the hollow accommodating cavity jointly
(5).
3. a kind of flexible coupling of Offshore Drilling Riser according to claim 2, it is characterised in that: the outer tube sleeve
(105) it is together by a threaded connection with the upper pipe end-cap (102), lower pipe end-cap (104).
4. a kind of flexible coupling of Offshore Drilling Riser according to claim 3, it is characterised in that: the traveller (7)
It is stretched out from the upper pipe end-cap (102), lower pipe end-cap (104), traveller (7) end is also connected with baffle (9).
5. a kind of flexible coupling of Offshore Drilling Riser according to claim 4, it is characterised in that: the traveller (7)
Circumferential direction on the outside of inner tube (2) is angularly uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311280.8U CN208858306U (en) | 2018-08-15 | 2018-08-15 | A kind of flexible coupling of Offshore Drilling Riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311280.8U CN208858306U (en) | 2018-08-15 | 2018-08-15 | A kind of flexible coupling of Offshore Drilling Riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858306U true CN208858306U (en) | 2019-05-14 |
Family
ID=66414662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311280.8U Active CN208858306U (en) | 2018-08-15 | 2018-08-15 | A kind of flexible coupling of Offshore Drilling Riser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931582A (en) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | Riser joint protection device |
-
2018
- 2018-08-15 CN CN201821311280.8U patent/CN208858306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931582A (en) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | Riser joint protection device |
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