CN205958228U - Tubular column fluid -solid coupling power experimental apparatus under simulation marine environment - Google Patents

Tubular column fluid -solid coupling power experimental apparatus under simulation marine environment Download PDF

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Publication number
CN205958228U
CN205958228U CN201620924992.1U CN201620924992U CN205958228U CN 205958228 U CN205958228 U CN 205958228U CN 201620924992 U CN201620924992 U CN 201620924992U CN 205958228 U CN205958228 U CN 205958228U
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China
Prior art keywords
dynamic
tubing string
experiment
tubular column
flexible pipe
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Withdrawn - After Issue
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CN201620924992.1U
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Chinese (zh)
Inventor
何玉发
周建良
刘清友
柳军
高飞
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China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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Priority to CN201620924992.1U priority Critical patent/CN205958228U/en
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Abstract

The utility model relates to a tubular column fluid -solid coupling power experimental apparatus under simulation marine environment, it includes water tank, centrifugal pump, jerk pump, experiment tubular column, no. Two water tanks, miniature vibration exciter, dynamic foil gage, pressure fluctuation sensor, overspeed device tensioner, power device, dynamic strain indicator, dynamic pressure collecting appearance and host computers. Water tank bottom through the pipeline respectively with the one end intercommunication of centrifugal pump and jerk pump, the other end of centrifugal pump and jerk pump all is connected through connecting rod and miniature vibration exciter through first hose and ball pivot and experiment tubular column intercommunication, experiment tubular column bottom, is provided with dynamic foil gage and pressure fluctuation sensor on testing the tubular column, the top of testing the tubular column is passed floating platform and is fed through with the 2nd hose end and overspeed device tensioner respectively, the second hose other end and a water tank feed through. The one side on no. Two water tank tops is provided with power device, and dynamic foil gage and pressure fluctuation sensor are connected with upper electromechanics through dynamic strain indicator and dynamic pressure collecting appearance respectively.

Description

A kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device
Technical field
This utility model is related to a kind of experimental provision, simulates ocean ring especially with regard to one kind used in marine field Border lower tubular column fluid structurecoupling dynamic experiment device.
Background technology
At present, to the experimental provision of ocean tubing string fluid structurecoupling dynamic test also in the preliminary research stage, not yet have relatively For the tube fluid under the equipment simulating marine environment of popularization and tubing string fluid structurecoupling dynamic trait.Existing tubing string fluid structurecoupling Experimental provision adopts the driving force that centrifugal pump and jerk pump flow as tube fluid, and experiment design of string pipe is upright straight tube, With hose connection, valve end is located at hose segment at two ends.This kind of tubing string fluid structurecoupling experimental provision does not consider tubing string in ocean wave The lower curvature effect of stream power effect, does not account for for the connected mode testing tubing string two ends it is impossible to marine environment simultaneously yet Lower fluid structurecoupling dynamic trait is tested.Therefore it provides a kind of Stability Analysis of Structures, simulate accurately, the convenient device of test data It is simulation deep water tubing string fluid structurecoupling dynamic test problem demanding prompt solution.
Content of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of simulating ocean environment lower tubular column fluid structurecoupling power Experimental provision, its Stability Analysis of Structures, test data are convenient accurately, low cost.
For achieving the above object, this utility model takes technical scheme below:A kind of simulating ocean environment lower tubular column stream is solid Coupling dynamic experiment device is it is characterised in that it includes a water tank, centrifugal pump, jerk pump, the first flexible pipe, ball pivot, experiment tube Post, No. two water tanks, miniature vibrator, dynamic strain piece, pressure pulsation sensor, raft, the second flexible pipe, tensioner, Power set, dynamic strain indicator, dynamic pressure acquisition instrument and host computer;A described water tank bottom pass through pipeline respectively with described Centrifugal pump connects with one end of described jerk pump, the other end of described centrifugal pump and described jerk pump all with described first flexible pipe one End connection, the described first flexible pipe other end is connected with described experiment tubing string through described ball pivot, and described experiment tubing string bottom is through passing through The connecting rod of described No. two water tank side walls is connected with described miniature vibrator, and described experiment tubing string is provided with described dynamic strain Piece and described pressure pulsation sensor, the top of described experiment tubing string pass through described raft respectively with described second flexible pipe one End connects with described tensioner, and the other end of described second flexible pipe is connected with a described water tank;Described No. two water tank tops Side be provided with described power set, described dynamic strain piece is electrically connected with described dynamic strain indicator, and described pressure fluctuation passes Sensor is electrically connected with described dynamic pressure acquisition instrument, and described dynamic strain indicator and described dynamic pressure acquisition instrument are all upper with described Mechatronics.
Preferably, described power set are made up of flabellum, motor and power controller, described flabellum and described motor Connect, described motor is electrically connected with described power controller.
Preferably, the bottom of described experiment tubing string is provided with first pressure fluctuation sensor, and described experiment tubing string is away from bottom It is provided with second pressure fluctuation sensor, the top of described experiment tubing string is provided with the 3rd pressure fluctuation and passes at 1/3rd height Sensor;Three described pressure pulsation sensor both pass through described experiment tubing string side wall, and described pressure pulsation sensor one end is passed through Signal is received line and is electrically connected with described dynamic pressure acquisition instrument, and the described pressure pulsation sensor other end is arranged on described experiment tube In post, the outside adhesive waterproof tape of described pressure transducer wraps up.
Preferably, described experiment tubing string is provided with five described dynamic strain pieces, five described dynamic strain pieces are uniform It is arranged on described experiment tubing string;Five described dynamic strain pieces are all affixed on outside described experiment tubing string, and five described dynamic Also it is pasted with adhesive waterproof tape outside state foil gauge.
Preferably, described ball pivot is by ball pivot occludator, bottom ball pivot, the 3rd flexible pipe, tubing string supporting plate and pipe jointer structure Become;Described ball pivot occludator is fixedly installed on described No. two water tank bottoms, and described bottom ball pivot embeds in described ball pivot occludator, Described 3rd flexible pipe runs through described ball pivot occludator, described bottom ball pivot and described tubing string supporting plate, and described 3rd flexible pipe upper end leads to Cross rubber blanket to connect with described experiment tubing string one end, it is soft with described first that described pipe jointer is passed through in described 3rd flexible pipe lower end Pipe one end connects.
Preferably, described tensioner is made up of support, spring, auger stem and rotating disk;Described support is set to U-shaped Structure, the two ends of described support are connected with described raft, and described experiment tubing string passes through described raft and described spring Connect one end, the other end of described spring is connected with described auger stem one end, the described auger stem other end passes through described Frame is fixedly connected with described rotating disk, and described rotating disk is provided with scale.
Preferably, described first flexible pipe is disposed with choke valve and effusion meter.
Preferably, described raft adopts I-shaped structure;Described experiment tubing string is set to curve shape.
Preferably, described second flexible pipe between described experiment tubing string and a described water tank is provided with electric-hydraulic proportion Valve.
Due to taking above technical scheme, it has advantages below to this utility model:1st, this utility model adopt to reality Test the connected mode at tubing string two ends, can achieve and complicated pipe conveying fluid post dynamic trait is tested.2nd, experiment of the present utility model Tubing string adopts warp architecture it is contemplated that testing curvature effect under the effect of ocean wave current power for the tubing string.3rd, this utility model adopts Simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device, Stability Analysis of Structures is it is easy to dismounting, cheap.4th, this practicality is new Type adopts simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device, can meet dynamic under tubing string various operating modes in ocean Power is tested.
Brief description
Fig. 1 is whole experimental provision overlooking the structure diagram of the present utility model;
Fig. 2 is the right side cross-sectional view of Fig. 1;
Fig. 3 is the front side sectional view of Fig. 1;
Fig. 4 is spherical hinge structure schematic diagram in this utility model;
Fig. 5 is pressure pulsation sensor mounting structure schematic diagram in this utility model;
Fig. 6 is tensioning device structure schematic diagram in this utility model.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in detail.
As shown in FIG. 1 to 3, this utility model provides a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment dress Put, it include a water tank 1, centrifugal pump 2, jerk pump 3, the first flexible pipe 4, choke valve 5, effusion meter 6, ball pivot 7, experiment tubing string 8, No. two water tanks 9, connecting rod 10, miniature vibrator 11, dynamic strain piece 12, pressure pulsation sensor, rafts 13, second are soft Pipe 14, tensioner 15, power set, dynamic strain indicator 16, dynamic pressure acquisition instrument 17 and host computer 18.Number water tank 1 bottom Portion is connected with one end of centrifugal pump 2 and jerk pump 3 respectively by pipeline, and the other end of centrifugal pump 2 and jerk pump 3 is all soft with first Pipe 4 one end connects, and converges to together by the first flexible pipe 4 by the fluid of two kinds of different liquid forms, on the first flexible pipe 4 successively It is provided with choke valve 5 and effusion meter 6, fluid flow and pressure are controlled by choke valve 5, the first flexible pipe 4 is measured by effusion meter 6 The flow velocity of interior fluid, the first flexible pipe 4 other end is connected with experiment tubing string 8 through ball pivot 7, will test tubing string 8 bottom by ball pivot 7 solid It is scheduled on the bottom of No. two water tanks 9, experiment tubing string 8 is set to curve shape, and experiment tubing string 8 bottom is through through No. two water tank 9 side walls Connecting rod 10 be connected with miniature vibrator 11, experiment tubing string 8 on be provided with dynamic strain piece 12 and pressure pulsation sensor, use In measurement under simulating ocean environment, the dynamic response to exciting, pulsating flow for the fluid.The top of experiment tubing string 8 passes through floating flat Platform 13 is connected with the second flexible pipe 14 one end and tensioner 15 respectively, and the other end of the second flexible pipe 14 is connected with a water tank 1, real The now fluid circulation of whole experimental provision.The side on No. two water tank 9 tops is provided with power set, for simulating wind load to platform Drift and marine environment, dynamic strain piece 12 electrically connected with dynamic strain indicator 16, pressure pulsation sensor and dynamic pressure acquisition Instrument 17 electrically connects, and dynamic strain indicator 16 and dynamic pressure acquisition instrument 17 are all electrically connected with host computer 18, for by the number collected According to transmitting to host computer 18, in host computer 18, fluid pressure flow velocity time-histories and experiment tubing string 8 strain time history are analyzed, and show It is shown in the change of dynamic response within 1s.
In above-described embodiment, power set are made up of flabellum 19, motor 20 and power controller.Flabellum 19 and motor 20 connections, motor 20 is electrically connected with power controller, for controlling the rotating speed of motor 20, and then controls the wind of power set Speed.
In the various embodiments described above, the bottom of experiment tubing string 8 is provided with first pressure fluctuation sensor 21, experiment tubing string 8 away from It is provided with second pressure fluctuation sensor 22, the top of experiment tubing string 8 is provided with the 3rd pressure arteries and veins at the height of bottom 1/3rd Dynamic sensor 23.As shown in figure 4, three pressure pulsation sensor both pass through experiment tubing string 8 side wall, pressure pulsation sensor one end Receive line 24 by signal to electrically connect with dynamic pressure acquisition instrument 17, the pressure pulsation sensor other end is arranged on experiment tubing string 8 Interior, the outside adhesive waterproof tape 25 of pressure transducer wraps up.
In the various embodiments described above, experiment tubing string 8 is provided with five dynamic strain pieces 12, five dynamic strain pieces 12 are uniform It is arranged on experiment tubing string 8.Five dynamic strain pieces 12 are all affixed on outside experiment tubing string 8, and outside five dynamic strain pieces 12 Side is also pasted with adhesive waterproof tape 25.
In the various embodiments described above, as shown in figure 5, ball pivot 7 is by ball pivot occludator 26, bottom ball pivot 27, the 3rd flexible pipe 28, pipe Column bracket plate 29 and pipe jointer 30 are constituted.Ball pivot occludator 26 is fixedly installed on No. two water tank 9 bottoms, and bottom ball pivot 27 embeds In ball pivot occludator 26, the 3rd flexible pipe 28 runs through ball pivot occludator 26, bottom ball pivot 27 and tubing string supporting plate 29, on the 3rd flexible pipe 28 End is connected with experiment tubing string 8 one end by rubber blanket 31, and pipe jointer 30 and the first flexible pipe 4 one are passed through in the 3rd flexible pipe 28 lower end End connection.
In the various embodiments described above, as shown in fig. 6, tensioner 15 is by support 32, spring 33, auger stem 34 and rotating disk 35 compositions.Support 32 is set to U-shape structure, and the two ends of support 32 are connected with raft 13, and experiment tubing string 8 passes through raft 13 are connected one end with spring 33, and the other end of spring 33 is connected with auger stem 34 one end, and auger stem 34 other end passes through and props up Frame 32 is fixedly connected with rotating disk 35, and rotating disk 35 is provided with scale.Rotate rotating disk 35, and then drive auger stem 34 to Upper motion, so that spring produces lifting force upwards, makes experiment tubing string 8 be subject to tensile force.
In the various embodiments described above, miniature vibrator 11 is arranged at the position between a water tank 1 and No. two water tanks 9.
In the various embodiments described above, raft 13 adopts I-shaped structure.
In the various embodiments described above, the bottom of No. two water tanks 9 is provided with steelframe support meanss 36.
In the various embodiments described above, the second flexible pipe 14 between experiment tubing string 8 and a water tank 1 is provided with electro-hydraulic proportional valve 37.
Based on said apparatus, this utility model also provides a kind of simulating ocean environment lower tubular column admittedly to couple dynamic experiment device Using method, it comprises the following steps that:
1) experiment tubing string 8 thickness length is chosen according to requirement of experiment, five dynamic strain pieces 12 and three dynamic pressures are installed Power oscillometer, connects ball pivot 7 and upper end drift platform 29;
2) water of injection experimentses tubing string 8 length 2/3rds depth whether check valve closes in No. two water tanks 9;
3) open valve, rotating auger stem 34 makes tensioner 15 produce tensile force, opens power set and adjusts phase Answer wind speed;
4) adjust choke valve 5, jerk pump 3, so that tube fluid is flowed with the pulses of certain flow rate pressure, open upper Machine 18, sighting tube fluid pressure and pipe external strain variation tendency;
5) adjust miniature vibrator 11 so as to there be certain exciting force effect, observed on host computer 18 by information gathering Tubing string fluid pressure, flow velocity and STRESS VARIATION.
The various embodiments described above are merely to illustrate this utility model, and the structure of each part, size, set location and shape are all Can be varied from, on the basis of technical solutions of the utility model, all according to this utility model principle, individual part be entered The improvement of row and equivalents, all should not exclude outside protection domain of the present utility model.

Claims (9)

1. a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that:It include a water tank, from Heart pump, jerk pump, the first flexible pipe, ball pivot, experiment tubing string, No. two water tanks, miniature vibrator, dynamic strain piece, pressure fluctuations pass Sensor, raft, the second flexible pipe, tensioner, power set, dynamic strain indicator, dynamic pressure acquisition instrument and host computer;Institute State a water tank bottom to connect with one end of described centrifugal pump and described jerk pump respectively by pipeline, described centrifugal pump and described The other end of jerk pump is all connected with described first flexible pipe one end, and the described first flexible pipe other end is through described ball pivot and described experiment Tubing string connects, and described experiment tubing string bottom is connected with described miniature vibrator through the connecting rod through described No. two water tank side walls, Described dynamic strain piece and described pressure pulsation sensor are provided with described experiment tubing string, the top of described experiment tubing string passes through Described raft is connected with described second flexible pipe one end and described tensioner respectively, the other end of described second flexible pipe and institute State a water tank connection;The side on described No. two water tank tops is provided with described power set, described dynamic strain piece with described Dynamic strain indicator electrically connects, and described pressure pulsation sensor is electrically connected with described dynamic pressure acquisition instrument, described dynamic strain indicator With described dynamic pressure acquisition instrument all with described upper mechatronics.
2. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: Described power set are made up of flabellum, motor and power controller, and described flabellum is connected with described motor, described motor Electrically connect with described power controller.
3. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: The bottom of described experiment tubing string is provided with first pressure fluctuation sensor, and described experiment tubing string sets at the height of bottom 1/3rd It is equipped with second pressure fluctuation sensor, the top of described experiment tubing string is provided with the 3rd pressure pulsation sensor;Three described pressures Power fluctuation sensor both passes through described experiment tubing string side wall, described pressure pulsation sensor one end pass through signal reception line with described Dynamic pressure acquisition instrument electrically connects, and the described pressure pulsation sensor other end is arranged in described experiment tubing string, and described pressure passes The outside adhesive waterproof tape of sensor wraps up.
4. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: Five described dynamic strain pieces are provided with described experiment tubing string, five described dynamic strain pieces are uniformly arranged on described experiment tube On post;Five described dynamic strain pieces are all affixed on outside described experiment tubing string, and also glue outside five described dynamic strain pieces Post adhesive waterproof tape.
5. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: Described ball pivot is made up of ball pivot occludator, bottom ball pivot, the 3rd flexible pipe, tubing string supporting plate and pipe jointer;Described ball pivot occlusion Device is fixedly installed on described No. two water tank bottoms, and described bottom ball pivot embeds in described ball pivot occludator, and described 3rd flexible pipe passes through Wear described ball pivot occludator, described bottom ball pivot and described tubing string supporting plate, described 3rd flexible pipe upper end pass through rubber blanket with described The connection of experiment tubing string one end, described 3rd flexible pipe lower end is connected with described first flexible pipe one end by described pipe jointer.
6. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: Described tensioner is made up of support, spring, auger stem and rotating disk;Described support is set to U-shape structure, described support Two ends are connected with described raft, and described experiment tubing string is connected one end through described raft with described spring, described bullet The other end of spring is connected with described auger stem one end, and the described auger stem other end passes through described support solid with described rotating disk Fixed connection, described rotating disk is provided with scale.
7. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: It is disposed with choke valve and effusion meter on described first flexible pipe.
8. a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device as described in claim 1 or 6, its feature exists In:Described raft adopts I-shaped structure;Described experiment tubing string is set to curve shape.
9. as claimed in claim 1 a kind of simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device it is characterised in that: It is provided with electro-hydraulic proportional valve on described second flexible pipe between described experiment tubing string and a described water tank.
CN201620924992.1U 2016-08-23 2016-08-23 Tubular column fluid -solid coupling power experimental apparatus under simulation marine environment Withdrawn - After Issue CN205958228U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106353067A (en) * 2016-08-23 2017-01-25 中国海洋石油总公司 Tubular fluid-solid coupling dynamic experimental device and application method in simulated marine environment thereof
CN114112305A (en) * 2021-12-06 2022-03-01 西南石油大学 Device and method for testing fluid-solid coupling effect of internal and external flow clamping hitting flexible vertical pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106353067A (en) * 2016-08-23 2017-01-25 中国海洋石油总公司 Tubular fluid-solid coupling dynamic experimental device and application method in simulated marine environment thereof
CN106353067B (en) * 2016-08-23 2018-09-28 中国海洋石油集团有限公司 Simulating ocean environment lower tubular column fluid structurecoupling dynamic experiment device and application method
CN114112305A (en) * 2021-12-06 2022-03-01 西南石油大学 Device and method for testing fluid-solid coupling effect of internal and external flow clamping hitting flexible vertical pipe
CN114112305B (en) * 2021-12-06 2024-02-06 西南石油大学 Device and method for testing fluid-solid coupling effect of flexible riser by internal and external flow clamping

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GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee after: CNOOC research institute limited liability company

Patentee after: China Offshore Oil Group Co., Ltd.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee before: CNOOC Research Institute

Patentee before: China National Offshore Oil Corporation

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170215

Effective date of abandoning: 20180928