CN202599634U - Hinged joint device for applying internal flow and top tension in vortex-induced vibration test of marine riser - Google Patents
Hinged joint device for applying internal flow and top tension in vortex-induced vibration test of marine riser Download PDFInfo
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- CN202599634U CN202599634U CN 201220113341 CN201220113341U CN202599634U CN 202599634 U CN202599634 U CN 202599634U CN 201220113341 CN201220113341 CN 201220113341 CN 201220113341 U CN201220113341 U CN 201220113341U CN 202599634 U CN202599634 U CN 202599634U
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- marine riser
- bracket stand
- induced vibration
- vortex
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Abstract
The utility model belongs to the technical field of marine riser facilities paving, and particularly relates to a hinged joint device. The hinged joint device for applying internal flow and top tension in a vortex-induced vibration test of a marine riser comprises a top seat part, a bearing cross and a base part, wherein the top seat part comprises a top plate, bearing seats I and bearings, the upper parts of the bearing seats I are connected with the top plate, the lower parts are provided with a hole and a slot, and the bearings are respectively embedded in the bearing seats I; the bearing cross comprises a bearing frame I and a bearing frame II; the base part comprises a base, bearing seats II and bearings; the lower parts of the bearing seats II are connected with the base, the upper parts are provided with a hole and a slot, and the bearings are respectively embedded in the bearing seats II; one side face and the bottom face of the base are respectively provided with a water inlet/outlet hole and a riser connection hole, and threads are machined in the water inlet/outlet hole and the riser connection hole; and the bearing seats I are connected with the bearing seats II, and the bearing frame I is connected with the bearing frame II. The device of the utility model is capable of effectively achieving the functions of hinged connection, internal flow applying, top tension applying and the like in simulation study of vortex-induced vibration rules of a marine riser, thereby improving the accuracy of vortex-induced vibration test of the marine riser.
Description
Technical field
The utility model belongs to marine riser facility laying technology field, is specifically related to a kind ofly can when modeling effort marine riser vortex-induced vibration rule, effectively apply the joint articulated device of top tension force and interior stream.
Background technology
Marine riser is the main web member between ocean platform and subsea wellheads.As a kind of contact channel in sea and seabed, can be used for fixed platform, floating platform and probing boats and ships etc.The marine riser slenderness ratio is very big, and under the marine environment load action, vortex-induced vibration possibly take place in the for example effect of wind, wave, stream, thereby quickens its fatigure failure.And marine riser is used for combustible and explosive articles such as transfer oil, rock gas mostly, in case destroy, will cause serious environmental and pollute and secondary disaster.
The major function of marine riser has: transporting fluid between oil well and platform, and guiding probing or oil well service kit and pipeline get into oil well; Marine riser is the important component part of mooring system, can be used as the support active redundancy pipeline; The upper end is connected with the slippage joint of platform or bottom of ship; The lower end is connected with subsea wellheads through universal joint; When platform or boats and ships moved under wave action, standpipe had enough degree of freedom movement therewith, and when vertical concussion takes place for platform or boats and ships, changed its length.Therefore, when carrying out the experimental study of marine riser vortex-induced vibration rule, interior stream, top tension force and connected mode are three factors must considering.
But in present domestic marine riser model test of carrying out, for the processing of standpipe joint, still well model engineering is actual, thereby makes the conclusion that draws not have applicability.The subject matter that exists has: part test selects one of them or two factors to carry out the Primary Study of vortex-induced vibration rule, and the conclusion that causes drawing has one-sidedness; Though can apply top tension force in the process of the test, the size of top tension force changes in time, and can not accurately measure its numerical value; The standpipe joint is not the fixed or hinged of strictness, and majority is half hinged state.
The utility model content
The purpose of the utility model is to overcome the deficiency that exists in the prior art; Practical working situation in conjunction with marine riser in the oceanographic engineering; Provide a kind of can be when carrying out marine riser vortex-induced vibration model test; The joint articulated device of stream and top tension force in effectively applying, thereby the accuracy of raising marine riser vortex-induced vibration model test.
Be the realization above-mentioned purpose, the technical scheme that the utility model adopts is: the joint articulated device of stream and top tension force in the test of marine riser vortex-induced vibration applies comprises footstock part, bearing cross and base portion; Footstock partly comprises top board, bearing seat I and bearing; The perforate of top board center is also ploughed silk, connects double-screw bolt during test and applies pulling force in the top, thereby realize applying the function of top tension force; Bearing seat I top links to each other with top board, and the bottom perforate is also established draw-in groove, embeds bearing;
The bearing cross comprises bearing bracket stand I and bearing bracket stand II; The two ends of bearing bracket stand I, bearing bracket stand II are slightly thinner than center section, make it can pass bearing just; Center section overstriking and the perforate of bearing bracket stand I can be passed and block bearing bracket stand II just, constitute " ten " font; Bearing bracket stand I links to each other with bearing seat II, and bearing bracket stand II links to each other with bearing seat I; The major function of bearing cross is to make footstock and base to rotate freely, thereby realizes hinged function fully.
Base portion comprises base, bearing seat II and bearing; Bearing seat II bottom links to each other with base, and the top perforate is also established draw-in groove, embeds bearing; The function of bearing seat II is identical with the function of bearing seat I; Side and bottom surface at base are driven apopore and standpipe connecting hole respectively into and are ploughed silk, and paddle hole links to each other with the water inlet pipe that applies interior stream, and the standpipe connecting hole links to each other with selected riser model, and the major function of this part is to connect riser model and apply interior stream.
Through verification experimental verification; Stream had following advantage and beneficial effect with the joint articulated device of top tension force in the test of the marine riser vortex-induced vibration of the utility model applied: can realize effectively hinged, apply in stream and apply three functions of top tension force; Well model engineering is actual, thereby draws experimental data and conclusion accurately.
Description of drawings
Fig. 1 is the three-dimensional structure diagram that the test of the utility model marine riser vortex-induced vibration applies the joint articulated device of interior stream and top tension force;
Fig. 2 is the three-dimensional structure diagram that the test of the utility model marine riser vortex-induced vibration applies the joint articulated device of interior stream and top tension force;
Among the figure: 1, top board; 2, bearing seat I; 3, bearing; 4, bearing bracket stand I; 5, bearing bracket stand II; 6, bearing seat II; 7, base; 8, paddle hole; 9, standpipe connecting hole.
Embodiment
Stream is done detailed explanation and description with the joint articulated device of top tension force in below in conjunction with accompanying drawing and embodiment the marine riser vortex-induced vibration test of the utility model being applied.
As shown in Figure 1, the joint articulated device of stream and top tension force comprised footstock part, bearing cross and base portion in the test of marine riser vortex-induced vibration applied; Footstock partly comprises top board 1, bearing seat I 2 and bearing 3; Top board 1 center has a hole and ploughs silk, connects double-screw bolt during test and applies pulling force in the top board upper end, thereby realize applying the function of top tension force; Bearing seat I 2 tops link to each other with top board 1, and the bottom perforate is also established draw-in groove, embed bearing.
The bearing cross comprises bearing bracket stand I 4 and bearing bracket stand II 5; The two ends of bearing bracket stand I 4 and bearing bracket stand II 5 are slightly thinner than center section, make it can pass bearing 3 just; Center section overstriking and the perforate of bearing bracket stand I 4 can be passed and block bearing bracket stand II 5 just; Bearing bracket stand I 4 links to each other with bearing seat II 6, and bearing bracket stand II 5 links to each other with bearing seat I 2, and the major function of this part is to make footstock and base to rotate freely, thereby realizes hinged function fully.
Like Fig. 1, shown in Figure 2, base portion comprises base 7, bearing seat II 6 and bearing 3; Bearing seat II6 bottom links to each other with base 7, and the top perforate is also established draw-in groove, embeds bearing; The function of bearing seat II 6 is identical with the function of bearing seat I 2; Side and bottom surface at base 7 have paddle hole 8 and standpipe connecting hole 9; And cultivated silk; Paddle hole 8 links to each other with the water inlet pipe that applies interior stream, and standpipe connecting hole 9 links to each other with selected riser model, and the major function of this part is to connect riser model and apply interior stream.
During marine riser vortex-induced vibration experimental study under carrying out top tension force and interior stream effect, need use the joint articulated device of the utility model respectively, and the lower end articulated joint fixed (as being fixed on the test support) at the two ends of riser model.
Claims (3)
1. the joint articulated device of stream and top tension force comprised footstock part, bearing cross and base portion in a marine riser vortex-induced vibration test applied, and it is characterized in that: footstock partly comprises top board, bearing seat I and bearing; The top board center has a hole; Bearing seat I top links to each other with top board, and the bottom perforate is also established draw-in groove, embeds bearing; The bearing cross comprises bearing bracket stand I and bearing bracket stand II; Base portion comprises base, bearing seat II and bearing; Bearing seat II bottom links to each other with base, and the top perforate is also established draw-in groove, embeds bearing; Side and bottom surface at base are respectively arranged with paddle hole and standpipe connecting hole; Bearing bracket stand I links to each other with bearing seat II, and bearing bracket stand II links to each other with bearing seat I.
2. the joint articulated device of stream and top tension force in marine riser vortex-induced vibration test according to claim 1 applies; It is characterized in that: center section overstriking and the perforate of bearing bracket stand I; Bearing bracket stand II passes the hole on the bearing bracket stand I and blocks, and both constitute " ten " font.
3. the joint articulated device of stream and top tension force in marine riser vortex-induced vibration test according to claim 1 applies, it is characterized in that: the two ends of bearing bracket stand I, bearing bracket stand II are slightly thinner than center section, make two ends pass bearing just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113341 CN202599634U (en) | 2012-03-23 | 2012-03-23 | Hinged joint device for applying internal flow and top tension in vortex-induced vibration test of marine riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113341 CN202599634U (en) | 2012-03-23 | 2012-03-23 | Hinged joint device for applying internal flow and top tension in vortex-induced vibration test of marine riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599634U true CN202599634U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220113341 Expired - Fee Related CN202599634U (en) | 2012-03-23 | 2012-03-23 | Hinged joint device for applying internal flow and top tension in vortex-induced vibration test of marine riser |
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| CN (1) | CN202599634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202722A (en) * | 2023-04-26 | 2023-06-02 | 山东科技大学 | Marine riser group interference effect test device under combined action of internal and external flows |
-
2012
- 2012-03-23 CN CN 201220113341 patent/CN202599634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202722A (en) * | 2023-04-26 | 2023-06-02 | 山东科技大学 | Marine riser group interference effect test device under combined action of internal and external flows |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |