CN202033245U - Vertical fatigue testing device for riser - Google Patents
Vertical fatigue testing device for riser Download PDFInfo
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- CN202033245U CN202033245U CN2010206819273U CN201020681927U CN202033245U CN 202033245 U CN202033245 U CN 202033245U CN 2010206819273 U CN2010206819273 U CN 2010206819273U CN 201020681927 U CN201020681927 U CN 201020681927U CN 202033245 U CN202033245 U CN 202033245U
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- standpipe
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Abstract
The utility model relates to a vertical fatigue testing device for a riser, which comprises a vertical tower frame, two top acting cylinders, a bottom acting cylinder, a horizontal acting cylinder and a horizontal sand tank. When the test for the fatigue of the upper part of the riser is simulated, the vertical tower frame is fixedly provided with a rigid upper bottom plate in the horizontal direction, the two top acting cylinders are connected with the rigid upper bottom plate, the piston rods of the two top acting cylinders are hinged with a rigid connecting plate, and the lower end of the rigid connecting plate is fixedly connected with a tested riser; and the lower end of the tested riser is supported and connected through the bottom acting cylinder, the horizontal acting cylinder is fixed at a position corresponding to the middle lower part of the tested riser, and the piston rod of the horizontal acting cylinder can prop against the tested riser. When the test for the fatigue of the lower part of the riser is simulated, the lower end of the rigid connecting plate is hinged with the tested riser, and the other end of the riser extends into the horizontal sand tank and is fixed by a fixing device. The sand tank is filled with sand and water. By adopting the device, the fatigue of the upper part and the lower part of the riser can be simulated, and multiple purposes can be achieved.
Description
Technical field
The utility model relates to a kind of device that standpipe is carried out torture test, particularly about a kind of vertical fatigue experimental device of standpipe.
Background technology
For the torture test of marine oil and gas exploitation neutral tube device, what present stage mainly adopted is that smooth small specimen is carried out torture test; The real yardstick repeated bend test of general standpipe device mainly adopts " horizontal " device, can provide the fatigue lifetime of standpipe under the moment of flexure effect, and financial cost is lower." but horizontal " device can not reflect action of gravity to standpipe influence fatigue lifetime, and gravity also is the factor that standpipe be can not ignore at the true sea situation next one.In addition, existing fatigue experimental device, perhaps just carry out torture test, perhaps just carry out torture test, and near the fatigue problem the standpipe touchdown point also is problem of can not ignore in the contemporary marine technology at standpipe bottom mud face place at riser upper.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides the vertical fatigue experimental device of a kind of standpipe, it both can have been simulated riser upper and be subjected to environmental load to make the fatigue conditions of time spent, also can simulate near the fatigue conditions of the standpipe bottom touchdown point zone, accomplished the many usefulness of a device.
For achieving the above object, the utility model is taked following technical scheme: the vertical fatigue experimental device of a kind of standpipe, when the simulation riser upper is subjected to the fatigue conditions of environmental load effect, its following setting: comprise a vertical pylon, crosswise fixed one rigidity upper plate on vertical pylon, two top acting cylinders all are connected to the base of acting cylinder the bottom of described rigidity upper plate, the piston rod external part of two described top acting cylinders all is hinged to the plate that is rigidly connected, the fixedly connected test standpipe in the described plate lower end that is rigidly connected; The lower end of described test standpipe is by the piston rod support and connection of a bottom acting cylinder, and the base of described bottom acting cylinder is fixed on the described vertical pylon; On the described vertical pylon corresponding with test position, standpipe middle and lower part, fix a horizontal force cylinder, the piston rod of horizontal force cylinder is conflicted in telescopic process on the described test standpipe.
The pullover fixedly connected described test standpipe of a standpipe can be passed through in the above-mentioned plate lower end that is rigidly connected.
During near in simulation standpipe bottom the touchdown point zone fatigue conditions, its following setting: comprise a vertical pylon, crosswise fixed one rigidity upper plate on vertical pylon, two top acting cylinders all are connected to the base of acting cylinder the bottom of described rigidity upper plate, the piston rod external part of two described top acting cylinders all is hinged to the plate that is rigidly connected, the hinged test standpipe in the described plate lower end that is rigidly connected; The other end of described test standpipe extend in the horizontal husky groove, and is fixed by the stationary installation that is positioned at the horizontal husky groove other end; Be placed with sand, water in the described horizontal husky groove.
The hinged described test standpipe of a connecting link can be passed through in the lower end of the above-mentioned plate that is rigidly connected.
Described top acting cylinder, bottom acting cylinder, horizontal force cylinder are controlled by servo control mechanism, wherein to the described top acting cylinder alternating force of certain probability distribution in addition.
Described top acting cylinder, bottom acting cylinder, horizontal force cylinder are hydraulic cylinder.
The utility model is owing to take above technical scheme, its beneficial effect that has is: the utility model adopts a covering device, action as required by different parts, the torture test that realizes riser upper and platform join domain can be simulated, the torture test of standpipe lower well port area and mud face contact area can also be simulated.When doing the top test, in the test standpipe, finish the torture test of riser upper under the environmental load effect by top acting cylinder, bottom acting cylinder and the acting in conjunction of horizontal force cylinder.When doing the bottom test, the top acting cylinder acts on the test standpipe, and the top acting cylinder both can have been simulated near the elevating movement of standpipe touchdown point, can simulate near the tangential movement of standpipe touchdown point again.The test standpipe is hinged on the below of top acting cylinder, and extend in the husky groove, thereby near the cyclic shift of simulation standpipe touchdown point.In the test standpipe water is housed, closed at both ends adds interior pressure, can simulate the real work situation of standpipe in the deep-sea.
Description of drawings
Fig. 1 is the fatigue device synoptic diagram of simulation riser upper and platform join domain;
Fig. 2 is the fatigue device synoptic diagram of simulation standpipe lower well port area and mud face contact area.
Embodiment
Be described in detail of the present utility model below in conjunction with drawings and Examples.
As shown in Figure 1, 2, the vertical fatigue experimental device of a kind of standpipe, it comprises following critical component generally: vertical pylon 1, top acting cylinder 3 and 4, bottom acting cylinder 8, horizontal force cylinder 9, horizontal husky groove 11.As about the tired simulation test of riser upper and platform join domain the time, mainly use vertical pylon 1, top acting cylinder 3 and 4, bottom acting cylinder 8, horizontal force cylinder 9 and finish test.As about the tired simulation test of standpipe bottom and mud face contact area the time, mainly use vertical pylon 1, top acting cylinder 3 and 4 and horizontal husky groove 11 finish test.
Fig. 1 is the vertical torture test synoptic diagram of simulation riser upper and platform join domain, and it fixedly mounts a rigidity upper plate 2 in the upper end of vertical pylon 1.The base portion of top acting cylinder 3,4 is connected respectively to the bottom of rigidity upper plate 2, and acting cylinder 3,4 is arranged side by side, and its piston-rod lower end is hinged to one and is rigidly connected on the plate 5.The bottom of plate 5 standpipe that is connected that is rigidly connected is pullover 6, connects test standpipe 7 on the standpipe pullover 6.Test standpipe 7 vertically is arranged in the device, and the lower end of test standpipe 7 is connected with bottom acting cylinder 8, and the base that is specially bottom acting cylinder 8 is fixed on the bottom of pylon 1, and the tailpiece of the piston rod of bottom acting cylinder 8 is connected to the lower end of test standpipe 7.On the pylon 1 corresponding with test position, standpipe 7 middle and lower part, fix a horizontal force cylinder 9, the piston rod of horizontal force cylinder 9 can be conflicted in telescopic process and be tested on the standpipe 7, and can execute a transverse force to test standpipe 7.
Test structure shown in Figure 1 mainly by top acting cylinder 3 and 4, bottom acting cylinder 8 and 9 actings in conjunction of horizontal force cylinder in the test standpipe 7, finish the torture test of riser upper under the environmental load effect.Top acting cylinder 3,4 is used for the roll and pitch motion of analog platform, and bottom acting cylinder 8 is used for simulating the axial tensile force of standpipe, and horizontal force cylinder 9 is used for simulating the relative horizontal shift of this position standpipe and platform.The same with present horizontal type device, in the test standpipe 7 water is housed, closed at both ends adds interior pressure, so that the real work situation of simulation standpipe in the deep-sea.
Fig. 2 is near the torture test synoptic diagram of simulation standpipe bottom mud face contact area.It is that rigidity upper plate 2 is fixed on vertical pylon 1 middle and lower part, and concrete height is determined according to standpipe length and test needs.The same with the riser upper fatigue experimental device, it connects top acting cylinder 3,4 in the bottom of rigidity upper plate 2, and acting cylinder 3,4 is arranged side by side, and its piston-rod lower end is hinged on the plate 5 that is rigidly connected.Different is that plate 5 lower ends that are rigidly connected are not by standpipe pullover 6 fixedly connected test standpipes 7, but pass through a connecting link 10 hinged test standpipes 7.Certainly, also can be to utilize standpipe pullover 6 hinged test standpipes 7.
In above-mentioned two embodiment, also can be without standpipe pullover 6 or connecting link 10, but directly by the affixed or hinged test standpipe 7 in plate 5 lower ends that is rigidly connected.
As shown in Figure 2, simulation standpipe bottom also has a difference to be in the torture test of mud face contact area, the other end of test standpipe 7 is not to be supported by bottom acting cylinder 8, but extend in the horizontal husky groove 11, and fixing by the stationary installation 12 that is positioned at horizontal husky groove 11 other ends.Sand is put in horizontal husky groove 11 inside, and water is to simulate true sea situation.
Horizontal force cylinder 9, does not need to use in simulation standpipe bottom in the torture test of mud face contact area yet.
Test structure shown in Figure 2 mainly acts on test standpipe 7 by top acting cylinder 3 and 4, and top acting cylinder 3 and 4 both can have been simulated near the elevating movement of standpipe touchdown point, can simulate near the tangential movement of standpipe touchdown point again.In the test standpipe 7 water is housed, closed at both ends adds interior pressure, with the real work situation of simulation standpipe in the deep-sea.Test standpipe 7 is hinged on the below of top acting cylinder 3 and 4, and extend in the husky groove, thereby near the cyclic shift of simulation standpipe touchdown point.
Top acting cylinder 3,4 in the utility model, bottom acting cylinder 8, horizontal force cylinder 9 is controlled by servo control mechanism, wherein to top acting cylinder 3 and 4 alternating force of certain probability distribution in addition, thereby provide alternation round-robin moment of flexure in the upper end of standpipe, control each parameter, thereby obtain the fatigue lifetime of different situation lower standing tubes.Top acting cylinder 3,4, bottom acting cylinder 8, horizontal force cylinder 9 all can be hydraulic cylinder, control the power of each acting cylinder with hydraulic servo.
Claims (10)
1. vertical fatigue experimental device of standpipe, it is characterized in that: it comprises a vertical pylon, crosswise fixed one rigidity upper plate on vertical pylon, two top acting cylinders all are connected to the base of acting cylinder the bottom of described rigidity upper plate, the piston rod external part of two described top acting cylinders all is hinged to the plate that is rigidly connected, the fixedly connected test standpipe in the described plate lower end that is rigidly connected; The lower end of described test standpipe is by the piston rod support and connection of a bottom acting cylinder, and the base of described bottom acting cylinder is fixed on the described vertical pylon; On the described vertical pylon corresponding with test position, standpipe middle and lower part, fix a horizontal force cylinder, the piston rod of horizontal force cylinder is conflicted in telescopic process on the described test standpipe.
2. the vertical fatigue experimental device of standpipe as claimed in claim 1 is characterized in that: described top acting cylinder, bottom acting cylinder, horizontal force cylinder are controlled by servo control mechanism, wherein to described top acting cylinder alternating force in addition.
3. the vertical fatigue experimental device of standpipe as claimed in claim 1 or 2 is characterized in that: described top acting cylinder, bottom acting cylinder, horizontal force cylinder are hydraulic cylinder.
4. the vertical fatigue experimental device of standpipe as claimed in claim 1 or 2 is characterized in that: the described plate lower end that is rigidly connected is by the pullover fixedly connected described test standpipe of a standpipe.
5. the vertical fatigue experimental device of a kind of standpipe as claimed in claim 3 is characterized in that: the described plate lower end that is rigidly connected is by the pullover fixedly connected described test standpipe of a standpipe.
6. vertical fatigue experimental device of standpipe, it is characterized in that: it comprises a vertical pylon, crosswise fixed one rigidity upper plate on vertical pylon, two top acting cylinders all are connected to the base of acting cylinder the bottom of described rigidity upper plate, the piston rod external part of two described top acting cylinders all is hinged to the plate that is rigidly connected, the hinged test standpipe in the described plate lower end that is rigidly connected; The other end of described test standpipe extend in the horizontal husky groove, and is fixed by the stationary installation that is positioned at the horizontal husky groove other end; Be placed with sand, water in the described horizontal husky groove.
7. the vertical fatigue experimental device of standpipe as claimed in claim 6 is characterized in that: described top acting cylinder is controlled by servo control mechanism, wherein to described top acting cylinder alternating force in addition.
8. as claim 6 or the vertical fatigue experimental device of 7 described a kind of standpipes, it is characterized in that: described top acting cylinder is a hydraulic cylinder.
9. as claim 6 or the vertical fatigue experimental device of 7 described standpipes, it is characterized in that: the lower end of the described plate that is rigidly connected is by the hinged described test standpipe of a connecting link.
10. the vertical fatigue experimental device of standpipe as claimed in claim 8 is characterized in that: the lower end of the described plate that is rigidly connected is by the hinged described test standpipe of a connecting link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206819273U CN202033245U (en) | 2010-12-15 | 2010-12-15 | Vertical fatigue testing device for riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206819273U CN202033245U (en) | 2010-12-15 | 2010-12-15 | Vertical fatigue testing device for riser |
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| Publication Number | Publication Date |
|---|---|
| CN202033245U true CN202033245U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206819273U Expired - Lifetime CN202033245U (en) | 2010-12-15 | 2010-12-15 | Vertical fatigue testing device for riser |
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| CN (1) | CN202033245U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095630A (en) * | 2010-12-15 | 2011-06-15 | 中国海洋石油总公司 | Vertical-type fatigue test device used for vertical tube |
| CN104458171A (en) * | 2014-11-25 | 2015-03-25 | 上海交通大学 | Deep-sea long and thin stand tube power response test device under horizontal forced oscillation state |
| CN104502044A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device under oblique uniform flow |
| CN104502043A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device through simulating seabed pipe soil and horizontal forced oscillation |
| CN104502058A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device under shearing flow |
-
2010
- 2010-12-15 CN CN2010206819273U patent/CN202033245U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095630A (en) * | 2010-12-15 | 2011-06-15 | 中国海洋石油总公司 | Vertical-type fatigue test device used for vertical tube |
| CN104458171A (en) * | 2014-11-25 | 2015-03-25 | 上海交通大学 | Deep-sea long and thin stand tube power response test device under horizontal forced oscillation state |
| CN104458171B (en) * | 2014-11-25 | 2017-06-13 | 上海交通大学 | The dynamic response test device of the deep-sea slender standpipe under horizontal forced oscillation state |
| CN104502044A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device under oblique uniform flow |
| CN104502043A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device through simulating seabed pipe soil and horizontal forced oscillation |
| CN104502058A (en) * | 2014-12-02 | 2015-04-08 | 上海交通大学 | Elongated stand pipe power response measurement device under shearing flow |
| CN104502044B (en) * | 2014-12-02 | 2017-08-01 | 上海交通大学 | A kind of oblique uniform flow measures elongated standpipe dynamic response device |
| CN104502058B (en) * | 2014-12-02 | 2017-09-08 | 上海交通大学 | Elongated standpipe dynamic response device is measured under a kind of shear flow |
| CN104502043B (en) * | 2014-12-02 | 2017-12-15 | 上海交通大学 | Simulated sea bottom pipeclay measures elongated standpipe dynamic response device with horizontal forced oscillation |
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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: 20111109 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |