CN102288376B - Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow - Google Patents
Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow Download PDFInfo
- Publication number
- CN102288376B CN102288376B CN 201110219623 CN201110219623A CN102288376B CN 102288376 B CN102288376 B CN 102288376B CN 201110219623 CN201110219623 CN 201110219623 CN 201110219623 A CN201110219623 A CN 201110219623A CN 102288376 B CN102288376 B CN 102288376B
- Authority
- CN
- China
- Prior art keywords
- module
- cantilever
- cylindorical rod
- track
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a top-movable vortex-induced vibration rotating device for a vertically-arranged vertical pipe under uniform flow and step flow in the technical field of ocean engineering. The device comprises a vertical pipe model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a bottom cantilever module, a cylinder shaft segmentation module, a bottom support module and a vibration module, wherein the vertical pipe model mechanism is fixedly arranged between the vibration module and the bottom cantilever module; the vibration module is fixed on the top cantilever module; the cylinder shaft segmentation module is vertically arranged in an ocean engineering deep pool and is vertically connected with the bottom support module, the driving module and the top cantilever module respectively; the bottom support module is fixedly arranged on a lifting base; the driving module is connected with the cylinder shaft segmentation module and the top cantilever module respectively; and the left and right ends of the top cantilever module are connected with the cylinder shaft segmentation module. The device can simulate the vertical pipe of an actual size, a uniform or step flow field, and the motion of a platform on the top of the vertical pipe.
Description
Technical field
What the present invention relates to is a kind of device of field of ocean engineering, specifically a kind of perpendicular oceanographic engineering swimmer's pool compliant riser model movable rotary testing device for vortex-induced vibration in top under uniform flow and cascade flow that places.
Background technology
According to fluid mechanics knowledge, the column structure thing is placed in the middle of the incoming flow of certain speed, the whirlpool can occur alternately to rush down in its both sides.Be associated with generation and the bleed off of whirlpool, cylinder can be subject to laterally and the fluctuation pressure that flows to.If this moment, cylinder was resiliency supported, Pulsating Flow muscle power can cause the vibration of cylinder so, and the vibration of cylinder can change its wake structure again conversely.The problem of this fluidic structures phase interaction is called vortex-induced vibration.For example under the effect of ocean current or ocean platform motion, be suspended on the flexible pipes such as floating drum, mooring hawser of marine ocean platform standpipe, towing cable, subsea pipeline, spar platform and the vortex-induced vibration phenomenon can occur, will cause the fatigure failure of flexible pipe.
Because the marine oil and gas exploitation advances to deep water, the standpipe in the deepwater environment can be considered the elongated flexible structure, and the small deformation theory is no longer applicable, and this is so that the vortex-induced vibration problem of standpipe is more outstanding.So far, be exactly the model measurement method to one of most important method of research of flexible pipe vortex-induced vibration phenomenon.The phenomenon of simulating in the test adopts advanced proving installation can guarantee the reliability of test data more close to the truth of occurring in nature.Can design the vibration-repressing device of better inhibition vortex-induced vibration of marine riser by the method for model measurement.
Through the retrieval of prior art is found, present vortex-induced vibration test device generally carries out in towing oceanographic engineering swimmer's pool, and what have carries out in annular water tank, and what have drags standpipe with towboat and carry out the vortex-induced vibration test.Paper " Laboratory Investigation of Long Riser VIV Response " in the 14th International Coast and polar region engineering conference " Proceedings of the Fourteen (2004) InternationalOffshore and Polar Engineering Conference " (experimental study of long riser vortex excited vibration response) is about flexible pipe vortex-induced vibration experimental study, mentioned a kind of flexible pipe vortex-induced vibration model measurement technology in the literary composition, compliant riser is horizontally placed in the towing basin, and trailer drags riser model and produces uniform flow field.Measure the motion of standpipe with the acceleration transducer that is arranged in riser interiors, in the standpipe wall, arrange the dependent variable in the grating measuring standpipe wall.By analysis, the weak point of this measuring technology is: 1. generally can only simulate the vortex-induced vibration of small scale pipe fitting, the vortex-induced vibration that is difficult to effectively carry out under the real Reynolds number is tested.2. pulled the restriction of oceanographic engineering swimmer's pool length, resulting test section distance is less, and the test data that records is less.3. generally can only simulate the vortex-induced vibration of uniform flow field neutral tube, vortex-induced vibration that can not analogue step flow field neutral tube.4. can not carry out the forced oscillation test.5. can not simulate the ocean platform motion, thereby the motion of research ocean platform is on the impact of standpipe vortex-induced vibration.
Summary of the invention
The present invention is directed to the prior art above shortcomings, provide a kind of uniform-flow and stepped uniform to flow down the perpendicular vortex-induced vibration whirligig of putting standpipe, can simulate physical size standpipe, evenly or ladder flow field, ocean platform motion, and can place for a long time the oceanographic engineering swimmer's pool to carry out the vortex-induced vibration rotary test of compliant riser model.
According to an aspect of the present invention, provide a kind of uniform-flow and cascade flow next top the movable perpendicular riser vortex excited vibration whirligig of putting, comprise riser model mechanism, the measuring and analysis system console module, driver module, top cantilever module, the Cylindorical rod segmentation module, the bottom cantilever arms module, bottom support module and oscillation module, wherein, described riser model mechanism is fixedly installed between described oscillation module and the described bottom cantilever arms module, described oscillation module is fixed on the cantilever module of described top, described Cylindorical rod segmentation module vertically place the oceanographic engineering swimmer's pool and respectively with described bottom support module, driver module, and top cantilever module vertically connects, on described bottom support module is fixedly installed at the bottom of the lifting of oceanographic engineering swimmer's pool, described driver module is connected with described Cylindorical rod segmentation module and top cantilever module respectively and outputting power, the two ends, the left and right sides of described top cantilever module 4 link to each other with described Cylindorical rod segmentation module respectively, described measuring and analysis system console module respectively with described top cantilever module and bottom cantilever arms module, and the bottom support module links to each other and reception detects data;
Described riser model mechanism comprises web joint, buffer spring, linear bearing, sliding axle, three component sensors, the first universal joint, the second universal joint, the first standpipe fixture splice, the second standpipe fixture splice, riser model, drive servomotor, track, slide block, and standpipe holder, wherein, be provided with described the first universal joint and the first standpipe fixture splice on the top of described riser model, be provided with described the second universal joint and the second standpipe fixture splice in the bottom of described riser model, the two ends of the first standpipe fixture splice link to each other with the top of described riser model and an end of described the first universal joint respectively, the other end of described the first universal joint is fixedly installed on the described standpipe holder, the two ends of described the second standpipe fixture splice link to each other with the bottom of described riser model and an end of described the second universal joint respectively, the other end of described the second universal joint is fixedly installed on the described three component sensors, the other end of described three component sensors is connected to an end of sliding axle, described linear bearing links to each other with described sliding axle, described buffer spring links to each other with described linear bearing, described linear bearing is fixed on the described web joint, described standpipe holder is fixedly connected with described slide block, control drives servomotor can make described slide block slide along described track, and described measuring and analysis system console module links to each other with the riser model of described riser model mechanism and receives the detection data.
Preferably, to arrange the mass ratio of water be 1:1 for the linear mass of described riser model and its unit length.
Preferably, described measuring and analysis system console module comprises measuring unit, under water record a video unit, computing unit and wireless transmission unit, wherein, described computing unit is arranged at the wireless measurement signal that is connected to transmit described record a video unit and measuring unit output in the trailer machine room of oceanographic engineering swimmer's pool and with described wireless transmission unit under water, and described computing unit carries out Storage and Processing to the wireless measurement signal that receives in real time.
Preferably, described driver module is used to whole vortex-induced vibration whirligig that power is provided and the velocity of rotation of vortex-induced vibration whirligig is accurately controlled, described driver module comprises change speed gear box, servo drive motor, driving shaft, the adjustable support base, driven wheel, and transmission gear, wherein, described servo drive motor is connected with described change speed gear box, described change speed gear box is connected with described driving shaft, described driving shaft is connected with described driven wheel, described servo drive motor, change speed gear box, driven wheel, and driving shaft is fixedly installed on respectively described adjustable support base, realize encapsulation, described adjustable support base is used for being installed on the steelframe of oceanographic engineering swimmer's pool trailer, and described transmission gear is connected with servo drive motor.
Preferably, the reduction gear ratio of described change speed gear box is 40:1.
Preferably, described top cantilever module comprises oblique pull lock, the first cantilever, diagonal brace and top cantilever Cylindorical rod, wherein, described the first cantilever top is connected with described top cantilever Cylindorical rod by described oblique pull lock, described oblique pull lock provides prestress for described the first cantilever, described the first jib foot is connected with described top cantilever Cylindorical rod by described diagonal brace, and the end of described the first cantilever will be connected with the steelframe stationary installation in the described oscillation module.
Preferably, described top cantilever module also comprises sleeve, and wherein, described jacket casing is connected to the upper extreme point of described riser model and the outside on whole top, and described the first cantilever adopts the prestressed rectangular steel truss structure.
Preferably, described Cylindorical rod segmentation module comprises the some sections Cylindorical rod segmentation mechanisms that are fixedly linked by joint flange, two ends of each described Cylindorical rod segmentation mechanism bolt hole that all has been circular layout, perpendicular at the bottom of the lifting of described Cylindorical rod segmentation mechanism and oceanographic engineering swimmer's pool.
Preferably, described bottom support module comprises Cylindorical rod mounting flange, Cylindorical rod, bottom support ring flange, bottom solid bearing, bottom stationary shaft and bottom base, wherein, the top of described Cylindorical rod by described Cylindorical rod mounting flange be connected with described Cylindorical rod segmentation module or described bottom cantilever arms module, the bottom is connected with described bottom stationary shaft by described bottom support ring flange, then integral body is inserted in the solid bearing of described bottom, bearing realizes that oil is close, and described bottom solid bearing is welded on the described bottom base.
Preferably, described oscillation module comprises the support steelframe, horizontal oscillating track, level vibration slide block, the vertical oscillation track, the vertical oscillation slide block, end portion supports mechanism, support track and vibration motor, wherein, described oscillation module supports that by it steelframe is fixedly welded on the cantilever module of described top, described support steelframe is connected with horizontal oscillating track, top stationary installation in the described riser model mechanism is connected with described end portion supports mechanism, described support track is connected to and can vibrates in the horizontal direction below the described level vibration slide block, described vertical oscillation track is connected under the described support track, can be along with described level vibration slide block movement, described level vibration slide block is connected on the described horizontal oscillating track, can to-and-fro movement on described horizontal oscillating track, described horizontal oscillating track is fixed on the cantilever module of described top, 6 described vibration motors divide three groups, symmetry is installed in described horizontal oscillating track respectively, the vertical oscillation track, and on the support track, control each slide block orbital motion.
Compared with prior art, advantage of the present invention comprises:
1. the present invention can realize standpipe vortex-induced vibration test of (without sleeve) under (sleeve is arranged) and uniform incoming flow effect under the effect of ladder incoming flow;
2. its whirligig can prolong the test duration greatly, has increased the accuracy of experimental data;
3. the present invention can take full advantage of the real Reynolds number vortex-induced vibration of the Simulation of depth large-size pipe of oceanographic engineering swimmer's pool;
4. the present invention adopts modular design, and advantage is to be convenient to install, and is convenient to upgrading and change, and satisfies different functional requirements;
5. the present invention can simulate the flow field of ocean true environment more really, than at towing oceanographic engineering swimmer's pool and towboat test significant progress was arranged in the past.
6. the present invention can simulate the motion of riser top ocean platform, carries out more real vortex-induced vibration test;
7. oscillation module of the present invention can carry out forced oscillation with certain frequency and amplitude.
Description of drawings
Fig. 1 is the structural representation of device provided by the present invention when containing sleeve;
Fig. 2 is the structure front elevation of driver module;
Fig. 3 is the driver module structural representation;
Fig. 4 is the structural representation of top cantilever module;
Fig. 5 is the schematic diagram of the first cantilever design in the cantilever module of top;
Fig. 6 is the structural representation of bottom support module;
Fig. 7 is the side view of bottom stiff end in the riser model mechanism;
Fig. 8 is the upward view of bottom stiff end in the riser model mechanism;
Fig. 9 is the structural representation of top stiff end in the riser model mechanism;
Figure 10 is riser model mechanism structure schematic diagram;
Figure 11 is the structural representation of oscillation module;
Figure 12 is the structural representation of vibration motor;
Figure 13 is the structural representation of device provided by the present invention when not containing sleeve.
Figure 14 is measuring and analysis system console module schematic diagram.
Embodiment
Provide detailed description and the embodiment of the embodiment of the invention below in conjunction with accompanying drawing: each embodiment implements take of the present invention and technical scheme as prerequisite; provide detailed embodiment and process, but protection scope of the present invention is not limited to following examples.
As shown in Figure 1, in the present embodiment, described vortex-induced vibration whirligig comprises riser model mechanism 1, measuring and analysis system console module 2, driver module 3, top cantilever module 4, Cylindorical rod segmentation module 5, bottom cantilever arms module 6, bottom support module 7 and oscillation module 8.Wherein, described riser model mechanism 1 is fixedly installed between described oscillation module 8 and the described bottom cantilever arms module 6, described oscillation module 8 is fixed on the described top cantilever module 4, described Cylindorical rod segmentation module 5 vertically place the oceanographic engineering swimmer's pool and respectively with described bottom support module 7, driver module 3, and top cantilever module 4 vertically connects, described bottom support module 7 is fixedly installed at the bottom of the lifting of oceanographic engineering swimmer's pool on 9, described driver module 3 is connected with described Cylindorical rod segmentation module 5 and top cantilever module 4 respectively and outputting power, the two ends, the left and right sides of described top cantilever module 4 link to each other with described Cylindorical rod segmentation module 5 respectively, described measuring and analysis system console module 2 respectively with the riser model 38 of riser model mechanism 1, described top cantilever module 4 and bottom cantilever arms module 6, and bottom support module 7 links to each other and reception detects data.
In the embodiment show in figure 1, described top cantilever module 4 comprises sleeve pipe 43, in the described riser model mechanism 1 described sleeve pipe 43 is installed; And in the embodiment show in figure 13, in the described riser model mechanism 1 described sleeve pipe 43 is not installed, be that described sleeve pipe 43 is omitted, therefore, those skilled in the art can be interpreted as the embodiment shown in Figure 13 a variation example embodiment illustrated in fig. 1, perhaps the embodiment shown in Fig. 1 are interpreted as a preference embodiment illustrated in fig. 13.
As shown in figure 14, described measuring and analysis system console module 2 comprises measuring unit 11, under water record a video unit 12, computing unit 13 and wireless transmission unit 14, wherein, described computing unit is arranged at the wireless measurement signal that is connected to transmit described record a video unit and measuring unit output in trailer 10 machine rooms of oceanographic engineering swimmer's pool and with described wireless transmission unit under water, and described computing unit carries out Storage and Processing to the wireless measurement signal that receives in real time.
As shown in Figures 2 and 3, described driver module 3 comprises change speed gear box 15, servo drive motor 16, transmit gear 17, driving shaft 18, adjustable support base 19, driven wheel 20, and transmission gear, wherein, described servo drive motor 16 is connected with described change speed gear box 15, described change speed gear box 15 is connected with described driving shaft 18, described driving shaft 18 is connected with described driven wheel 20, described servo drive motor 16, change speed gear box 15, driven wheel 20, and driving shaft 18 is fixedly installed on respectively described adjustable support base 19, the realization encapsulation.Described adjustable support base 19 is installed on the steelframe of oceanographic engineering swimmer's pool trailer 10, and described transmission gear 17 is connected with servo drive motor 16.
The reduction gear ratio of described change speed gear box 15 is 40:1.
The reduction gear ratio of described transmission gear is 7.
As shown in Figure 4, described top cantilever module 4 comprises oblique pull lock the 21, first cantilever 22, diagonal brace 23, top cantilever Cylindorical rod 24.Described top cantilever module 4 also comprises sleeve 43.Wherein, described the first cantilever 22 tops are connected with described top cantilever Cylindorical rod 24 by described oblique pull lock 21, described oblique pull lock 21 provides prestress for described the first cantilever 22, described the first cantilever 22 bottoms are connected with described top cantilever Cylindorical rod 24 by described diagonal brace 23, and described sleeve 43 is socketed on the upper extreme point of described riser model and the outside on whole top.The end of described the first cantilever 22 will be connected with steelframe 44 stationary installations in the described oscillation module shown in Figure 11.
As shown in Figure 5, described the first cantilever 22 adopts the prestressed rectangular steel truss structure.Use web joint to connect between truss sections.The web member of truss and the size of chord member are respectively web member: external diameter 0.05m, thickness 0.004m, chord member: external diameter 0.03m, thickness 0.004m.Described the first jib-length is 18m.
Described bottom cantilever arms module comprises the second cantilever and truss.Described the second jib foot uses described truss to be connected with bottom cantilever arms and Cylindorical rod.Described the second jib-length is 9m.
Described sleeve 43 specifically is socketed on the upper extreme point of described riser model and the outside on whole top, makes the described riser model with the sleeve part not be subjected to the effect of current in the rotation of vortex-induced vibration whirligig, thereby realizes analogue step stream.When described sleeve was removed fully, each section of whole riser model was subject to uniform flow's effect in the experimental provision rotation, can simulate uniform flow field again.
As shown in Figure 6, described bottom support module 7 comprises Cylindorical rod mounting flange 25, Cylindorical rod 26, bottom support ring flange 27, bottom solid bearing 28, bottom stationary shaft 29, and bottom base 30, wherein, the top of described Cylindorical rod 26 is connected with described Cylindorical rod segmentation module 5 or described bottom cantilever arms module 6 by described Cylindorical rod mounting flange 25, the bottom is connected with described bottom stationary shaft 29 by described bottom support ring flange 27, then integral body is inserted in the described bottom solid bearing 28, bearing realizes that oil is close, described bottom solid bearing 28 is welded on the described bottom base 30, described bottom base 30 by 31 high strength screws with 9 be connected at the bottom of the lifting of oceanographic engineering swimmer's pool.
Described Cylindorical rod segmentation module 5 comprises the some sections Cylindorical rod segmentation mechanisms that are fixedly linked by joint flange, two ends of each described Cylindorical rod segmentation mechanism bolt hole that all has been circular layout, 9 is perpendicular at the bottom of the lifting of described Cylindorical rod segmentation mechanism and oceanographic engineering swimmer's pool.
Such as Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, described riser model mechanism 1 comprises web joint 31, buffer spring 32, linear bearing 33, sliding axle 34, three component sensors 35, the first universal joint 36, the second universal joint 52, the first standpipe fixture splice 37, the second standpipe fixture splice 53, riser model 38, drives servomotor 39, track 40, slide block 41 and standpipe holder 42.Wherein, be provided with described the first universal joint 36 and the first standpipe fixture splice 37 on the top of described riser model 38, be provided with described the second universal joint 52 and the second standpipe fixture splice 53 in the bottom of described riser model 38, the two ends of the first standpipe fixture splice 37 link to each other with the top of described riser model 38 and an end of described the first universal joint 36 respectively, and the other end of described the first universal joint 36 is fixedly installed on the described standpipe holder 42.The two ends of described the second standpipe fixture splice 53 link to each other with the bottom of described riser model 38 and an end of described the second universal joint 52 respectively, the other end of described the second universal joint 52 is fixedly installed on the described three component sensors 35, described linear bearing 33 links to each other with described sliding axle 34, described buffer spring 32 links to each other with described linear bearing 33, all described linear bearings 33 are fixed on the described web joint 31, described standpipe holder 42 is fixedly connected with described slide block 41, drives servomotor 39 by control described slide block 41 is slided along described track 40.
The mass ratio that the linear mass of described riser model and its unit length arrange water is 1:1.
As shown in figure 11, described oscillation module 8 comprises support steelframe 44, horizontal oscillating track 45, level vibration slide block 46, vertical oscillation track 47, vertical oscillation slide block 48, end portion supports mechanism 49, support track 50 and vibration motor 51.Wherein, described oscillation module 8 supports that by it steelframe 44 is fixedly welded on the described top cantilever module 4, described support steelframe 44 is connected with horizontal oscillating track 45, top stationary installation in the described riser model mechanism 1 is connected with described end portion supports mechanism 49, described support track 50 is connected to described level vibration slide block 46 following can vibrations in the horizontal direction, described vertical oscillation track 47 is connected to described support track 50 times, can be along with 46 motions of described level vibration slide block, described level vibration slide block 46 is connected on the described horizontal oscillating track 45, can to-and-fro movement on described horizontal oscillating track 45, described horizontal oscillating track 45 is fixed on the described top cantilever module 4, three groups of 6 described vibration motors 51 minutes, symmetry is installed in described horizontal oscillating track 45 respectively, vertical oscillation track 47, and on the support track 50, control each slide block orbital motion.By the to-and-fro movement or in described vertical oscillation slide block 48 motions on described horizontal oscillating track 45 of described level vibration slide block 46, can realize riser model in hydrostatic or shear forced oscillation model test in the flow field.
Test in the following manner according to described vortex-induced vibration whirligig provided by the invention: select suitable model scale ratio and test operating mode according to the size of oceanographic engineering swimmer's pool, the physical size of pipe fitting, the concrete condition of test operating mode and the economy of test first.Get that strength control requires and concrete size and the material of modules are determined in the vibration control requirement according to whole described vortex-induced vibration whirligig.It is as follows that each module is ready to rear concrete installation process.
Assemble described bottom support module 7 on ground, after assembling is finished at the bottom of the lifting of rising oceanographic engineering swimmer's pool 9, the bottom base 30 of described bottom support module 7 is fixed by bolts at the bottom of the lifting on 9.Then suitably reduce at the bottom of the lifting 9 described bottom cantilever arms module 6 is installed, then an end of described riser model mechanism 1 namely being tested pipe fitting is fixed on the described bottom cantilever arms module 6 with universal shaft coupling device, the other end rides on the pool wall, data line passes crossbeam from coupling arrangement and enters the Cylindorical rod, reduces at the bottom of the lifting 9.Determine the length of described Cylindorical rod segmentation module 5 according to the length requirement of test pipe fitting, then described Cylindorical rod segmentation module 5 usefulness dollies are winched to oceanographic engineering swimmer's pool central authorities and lift.Get simultaneously in the above-mentioned module of installation, assemble described measuring and analysis system console module 2, driver module 3, top cantilever module 4 and oscillation module 8 on ground, and described oscillation module 8 is fixed on the described top cantilever module 4.The described top of lifting cantilever module 4 after described Cylindorical rod segmentation module 5 installations, the connection between each module adopts flange to connect, and data line passes crossbeam from coupling arrangement and enters the Cylindorical rod.After described top cantilever module 4 lifting is finished, the other end of described riser model mechanism 1 test pipe fitting is passed sleeve be fixed on the link block of described oscillation module 8.After the installation, with dolly described driver module 3 is winched to directly over the described top cantilever module 4, described top cantilever module 4 with to pay special attention to precision control being connected of driver module 3, after the connection described driver module 3 is fixed by bolts on the dolly.Described measuring and analysis system console module 2 is installed at last, the data line in the Cylindorical rod is connected on the described measuring and analysis system console module 2.
Computing machine in described measuring and analysis system console module 2 installs computer real-time analysis software and image processing software, then will derive the data line that comes from test pipe fitting two ends and be connected on the computer.Simultaneously the surveying instrument in the vortex-induced vibration whirligig being derived the power lead that comes connects with the mains.
The post debugging device is finished in integral installation.Just can start described vortex-induced vibration whirligig according to concrete operating mode and test specification after debugging is finished tests.
Claims (10)
1. movable the erecting of uniform-flow and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, comprise riser model mechanism, the measuring and analysis system console module, driver module, top cantilever module, the Cylindorical rod segmentation module, the bottom cantilever arms module, bottom support module and oscillation module, wherein, described riser model mechanism is fixedly installed between described oscillation module and the described bottom cantilever arms module, described oscillation module is fixed on the cantilever module of described top, described Cylindorical rod segmentation module vertically place the oceanographic engineering swimmer's pool and respectively with described bottom support module, driver module, and top cantilever module vertically connects, on described bottom support module is fixedly installed at the bottom of the lifting of oceanographic engineering swimmer's pool, described driver module is connected with described Cylindorical rod segmentation module and top cantilever module respectively and outputting power, the two ends, the left and right sides of described top cantilever module link to each other with described Cylindorical rod segmentation module respectively, described measuring and analysis system console module respectively with described top cantilever module and bottom cantilever arms module, and the bottom support module links to each other and reception detects data;
Described riser model mechanism comprises web joint, buffer spring, linear bearing, sliding axle, three component sensors, the first universal joint, the second universal joint, the first standpipe fixture splice, the second standpipe fixture splice, riser model, drive servomotor, track, slide block, and standpipe holder, wherein, be provided with described the first universal joint and the first standpipe fixture splice on the top of described riser model, be provided with described the second universal joint and the second standpipe fixture splice in the bottom of described riser model, the two ends of the first standpipe fixture splice link to each other with the top of described riser model and an end of described the first universal joint respectively, the other end of described the first universal joint is fixedly installed on the described standpipe holder, the two ends of described the second standpipe fixture splice link to each other with the bottom of described riser model and an end of described the second universal joint respectively, the other end of described the second universal joint is fixedly installed on the described three component sensors, the other end of described three component sensors is connected to an end of sliding axle, described linear bearing links to each other with described sliding axle, described buffer spring links to each other with described linear bearing, described linear bearing is fixed on the described web joint, described standpipe holder is fixedly connected with described slide block, control drives servomotor can make described slide block slide along described track, and described measuring and analysis system console module links to each other with the riser model of described riser model mechanism and receives the detection data.
2. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, the mass ratio that the linear mass of described riser model and its unit length arrange water is 1:1.
3. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described measuring and analysis system console module comprises measuring unit, under water record a video unit, computing unit and wireless transmission unit, wherein, described computing unit is arranged at the wireless measurement signal that is connected to transmit described record a video unit and measuring unit output in the trailer machine room of oceanographic engineering swimmer's pool and with described wireless transmission unit under water, and described computing unit carries out Storage and Processing to the wireless measurement signal that receives in real time.
4. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described driver module is used to whole vortex-induced vibration whirligig that power is provided and the velocity of rotation of vortex-induced vibration whirligig is accurately controlled, described driver module comprises change speed gear box, servo drive motor, driving shaft, the adjustable support base, driven wheel, and transmission gear, wherein, described servo drive motor is connected with described change speed gear box, described change speed gear box is connected with described driving shaft, described driving shaft is connected with described driven wheel, described servo drive motor, change speed gear box, driven wheel, and driving shaft is fixedly installed on respectively described adjustable support base, realize encapsulation, described adjustable support base is used for being installed on the steelframe of oceanographic engineering swimmer's pool trailer, and described transmission gear is connected with servo drive motor.
5. movable the erecting in uniform-flow according to claim 4 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, the reduction gear ratio of described change speed gear box is 40:1.
6. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described top cantilever module comprises the oblique pull lock, the first cantilever, diagonal brace, and top cantilever Cylindorical rod, wherein, described the first cantilever top is connected with described top cantilever Cylindorical rod by described oblique pull lock, described oblique pull lock provides prestress for described the first cantilever, described the first jib foot is connected with described top cantilever Cylindorical rod by described diagonal brace, and the end of described the first cantilever will be connected with the steelframe stationary installation in the described oscillation module.
7. movable the erecting in uniform-flow according to claim 6 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described top cantilever module also comprises sleeve, wherein, described jacket casing is connected to the upper extreme point of described riser model and the outside on whole top, and described the first cantilever adopts the prestressed rectangular steel truss structure.
8. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described Cylindorical rod segmentation module comprises the some sections Cylindorical rod segmentation mechanisms that are fixedly linked by joint flange, two ends of each described Cylindorical rod segmentation mechanism bolt hole that all has been circular layout, perpendicular at the bottom of the lifting of described Cylindorical rod segmentation mechanism and oceanographic engineering swimmer's pool.
9. movable the erecting in uniform-flow according to claim 1 and cascade flow next top put riser vortex excited vibration whirligig, it is characterized in that, described bottom support module comprises the Cylindorical rod mounting flange, Cylindorical rod, the bottom support ring flange, the bottom solid bearing, the bottom stationary shaft, and bottom base, wherein, the top of described Cylindorical rod is connected with described Cylindorical rod segmentation module or described bottom cantilever arms module by described Cylindorical rod mounting flange, the bottom is connected with described bottom stationary shaft by described bottom support ring flange, then integral body is inserted in the solid bearing of described bottom, bearing realizes that oil is close, and described bottom solid bearing is welded on the described bottom base.
10. uniform-flow according to claim 1 and stepped uniform flow down the movable perpendicular riser vortex excited vibration whirligig of putting in top, it is characterized in that, described oscillation module comprises the support steelframe, horizontal oscillating track, level vibration slide block, the vertical oscillation track, the vertical oscillation slide block, end portion supports mechanism, support track and vibration motor, wherein, described oscillation module supports that by it steelframe is fixedly welded on the cantilever module of described top, described support steelframe is connected with horizontal oscillating track, top stationary installation in the described riser model mechanism is connected with described end portion supports mechanism, described support track is connected to and can vibrates in the horizontal direction below the described level vibration slide block, described vertical oscillation track is connected under the described support track, can be along with described level vibration slide block movement, described level vibration slide block is connected on the described horizontal oscillating track, can to-and-fro movement on described horizontal oscillating track, described horizontal oscillating track is fixed on the cantilever module of described top, 6 described vibration motors divide three groups, symmetry is installed in described horizontal oscillating track respectively, the vertical oscillation track, and on the support track, control each slide block orbital motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110219623 CN102288376B (en) | 2011-08-02 | 2011-08-02 | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110219623 CN102288376B (en) | 2011-08-02 | 2011-08-02 | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102288376A CN102288376A (en) | 2011-12-21 |
| CN102288376B true CN102288376B (en) | 2013-02-06 |
Family
ID=45334978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110219623 Active CN102288376B (en) | 2011-08-02 | 2011-08-02 | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102288376B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319042A (en) * | 2015-06-18 | 2016-02-10 | 浙江海洋学院 | Vertically-arranged flexible pipe eddy torrent vibration experiment device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319043A (en) * | 2015-06-18 | 2016-02-10 | 浙江海洋学院 | Vertically-arranged flexible pipe eddy torrent vibration experiment device |
| CN105547622B (en) * | 2015-12-10 | 2018-05-04 | 上海交通大学 | Double direction shear flows down the movable tension leg vortex-induced vibration test device in end |
| CN105547623B (en) * | 2015-12-10 | 2018-05-04 | 上海交通大学 | Tension leg vortex-induced vibration test device under double direction shear stream and two-way ladder shear flow |
| CN109883632B (en) * | 2019-02-02 | 2021-03-23 | 中国石油大学(北京) | Motion simulation device and calibration device |
| CN110057559B (en) * | 2019-04-10 | 2021-03-23 | 中国海洋大学 | Multi freedom ocean riser test device |
| CN114778071B (en) * | 2022-04-07 | 2024-04-19 | 河海大学 | Submarine cable suspension device for vortex-induced vibration test of submarine cable and experimental method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012306A (en) * | 2010-11-19 | 2011-04-13 | 上海交通大学 | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe |
| CN102053001A (en) * | 2010-11-19 | 2011-05-11 | 上海交通大学 | Device for testing vortex-excited oscillation and rotation of vertical riser pipe under uniform flow and stepped uniform flow |
| CN102053000A (en) * | 2010-11-19 | 2011-05-11 | 上海交通大学 | Rotary testing device for vortex-induced vibration for oblique riser under shear current |
| CN102109405A (en) * | 2010-11-22 | 2011-06-29 | 上海交通大学 | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2840951B1 (en) * | 2002-06-13 | 2004-12-24 | Inst Francais Du Petrole | INSTRUMENTATION ASSEMBLY OF AN OFFSHORE DRILLING RISER |
-
2011
- 2011-08-02 CN CN 201110219623 patent/CN102288376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012306A (en) * | 2010-11-19 | 2011-04-13 | 上海交通大学 | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe |
| CN102053001A (en) * | 2010-11-19 | 2011-05-11 | 上海交通大学 | Device for testing vortex-excited oscillation and rotation of vertical riser pipe under uniform flow and stepped uniform flow |
| CN102053000A (en) * | 2010-11-19 | 2011-05-11 | 上海交通大学 | Rotary testing device for vortex-induced vibration for oblique riser under shear current |
| CN102109405A (en) * | 2010-11-22 | 2011-06-29 | 上海交通大学 | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow |
Non-Patent Citations (3)
| Title |
|---|
| 任铁.实尺度雷诺数复杂来流条件下的立管涡激振动试验研究.《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》.2011,(第7期), |
| 姚宗，等.流速分层流场中细长柔性立管涡激振动试验研究.《上海交通大学学报》.2009,第43卷(第8期), * |
| 实尺度雷诺数复杂来流条件下的立管涡激振动试验研究;任铁;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20110715(第7期);38-49 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319042A (en) * | 2015-06-18 | 2016-02-10 | 浙江海洋学院 | Vertically-arranged flexible pipe eddy torrent vibration experiment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102288376A (en) | 2011-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102053001B (en) | Device for testing vortex-excited oscillation and rotation of vertical riser pipe under uniform flow and stepped uniform flow | |
| CN102109405B (en) | Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow | |
| CN102012306B (en) | Vortex induced vibration rotation testing device for bidirectional shear flow lower inclined vertical pipe | |
| CN102053000B (en) | Rotary testing device for vortex-induced vibration for oblique riser under shear current | |
| CN102072805B (en) | Device for testing vortex-induced vibration and rotation of inclined riser under cascade shearing flow | |
| CN102288376B (en) | Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow | |
| CN102410920B (en) | Vortex induced vibration rotation testing device of inclined vertical pipe with movable top part under step shear flow | |
| US11255745B2 (en) | Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method therefor | |
| CN202033164U (en) | Testing device capable of simulating uniform-flow vortex-induced vibration of submarine pipeline | |
| CN102305696B (en) | Deep sea vertical pipe array model vortex-induced vibration test device with top capable of moving in step flow | |
| CN102147321A (en) | Uniform flow vortex-induced vibration simulation tester for seabed pipeline | |
| CN102410918B (en) | Vortex-induced vibration simulation test device for deep sea riser model with movable top end under uniform flow | |
| CN102313636B (en) | Vortex-induced vibration simulation test device for deep sea riser model with movable top end under action of step flow | |
| CN102279085A (en) | Simulation test device for vortex-induced vibration of deep-sea vertical pipe array model under conditions of uniform defluxion and pretension | |
| CN102323026B (en) | Vortex-induced vibration simulation test device for pre-tensioned deep-sea riser model under step flow | |
| CN102305697B (en) | Vortex-induced vibration test device for movable deep sea vertical pipe array model at lower top end of uniform flow | |
| CN102323025B (en) | Vortex-induced vibration simulation test device for pre-tensioned deep-sea riser model under even flow | |
| CN104458171A (en) | Deep-sea long and thin stand tube power response test device under horizontal forced oscillation state | |
| CN104483083B (en) | The deep-sea slender standpipe dynamic response test device of simulated sea bottom pipeclay and shear flow | |
| CN102410919A (en) | Rotating testing device for vortex-induced vibration of movable inclined riser at lower top of shear flow | |
| CN211825372U (en) | Mechanical property experiment device for ocean test pipe column | |
| CN104502043A (en) | Elongated stand pipe power response measurement device through simulating seabed pipe soil and horizontal forced oscillation | |
| CN102980732A (en) | Testing apparatus of simulating lateral self-excited vibration of evenly flow-down deep-sea stand pipe | |
| CN102967428B (en) | Testing device for simulating self-oscillation under mutual interference of two stand column models under uniform flow | |
| CN110595871A (en) | Mechanical property experiment device and method for ocean test pipe column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Ke Inventor after: Fu Shixiao Inventor after: Song Leijian Inventor after: Hu Kefu, Wang Wei, Song Leijian, Xu Yuwang Inventor before: Fu Shixiao Inventor before: Hu Ke Inventor before: Song Leijian Inventor before: Fu Shixiao Hooke Xu Yuwang Leijian song |
|
| COR | Change of bibliographic data |