CN102967429B - Device for simulating bidirectional self-oscillation under mutual interference of two stand column models under uniform flow - Google Patents
Device for simulating bidirectional self-oscillation under mutual interference of two stand column models under uniform flow Download PDFInfo
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- CN102967429B CN102967429B CN201210439276.0A CN201210439276A CN102967429B CN 102967429 B CN102967429 B CN 102967429B CN 201210439276 A CN201210439276 A CN 201210439276A CN 102967429 B CN102967429 B CN 102967429B
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Abstract
The invention discloses a device for simulating bidirectional self-oscillation under mutual interference of two stand column models under uniform flow. The device obtains velocity and stress of a cylinder body through measuring, obtains actual motion response signals under the effect of water flow by solving a motion equation of the cylinder body, and exerts the actual motion signals onto the models through a servo motor to enable the models to move, so that self-oscillation motion is simulated. During test, a horizontally sliding module is used for simulating flow and vortex-induced vibration in the horizontal direction, and a vertically sliding module is used for simulating vortex-induced vibration in the vertical direction. The device sets parameters to simulate model structure performance, avoids messy testing operations in a traditional self-oscillation device, accelerates testing progress, provides large freedom degree to the model selection, simulates special working conditions of bidirectional self-oscillation under mutual interference of two stand columns, adopts a large-scale stand column subsection to reduce scale effect, and adopts an end prosthesis device to solve the problem of model boundary effect.
Description
Technical field
The present invention relates to field of ocean engineering, specifically a kind of simulation uniform flow two riser model disturbs lower two-way self-oscillatory device mutually.
Background technology
Standpipe in actual marine environment is long fine flexible structure, can produce vortex-induced vibration under the effect of ocean current, and the structural fatigue that vibration causes or possible resonance etc. cause great threat by the safety of marine structure.
Vortex-induced vibration is that self-excitation produces for the standpipe being in ocean.Due to the restriction of physical size test condition, mainly through model test and numerical simulation, the vortex-induced vibration phenomenon to compliant riser is studied at present.Compliant riser is divided into multistage by model test, supposes that each section is rigid cylinder, carries out forced oscillation test or self-sustained oscillation test to cylinder, but the dynamic response of the cylinder under true sea situation that can not forecast with unerring accuracy with the model test of scaling factor; Numerical simulation means then lacks the reliability of its result of calculation of verification experimental verification, and the wherein process of the problem such as convection cell viscosity still imperfection at present.
In addition, in marine structure, there is multiple situation of closing on cylinder and mutually disturbing, four columns of such as semi-submerged platform, and numerous tension legs of tension leg platform (TLP).Due to influencing each other between right cylinder, the vibration mechanism of the vortex-induced vibration of dual cylinders or polycylinder and phenomenon more complicated for single cylindrical body.Researcher has carried out certain research to the vortex-induced vibration excitation of dual cylinders and phenomenon both at home and abroad at present, and it is almost impossible that discovery theory carries out Accurate Prediction, and test is only the most effective research mode.
But, not enough below existing research device ubiquity: (1) traditional self-sustained oscillation Pilot office is limited to the practical structures performance of riser segmented model, the vortex-induced vibration response of the standpipe with given structure performance parameter can only be recorded, reduce universality, and change standpipe, spring, damper etc. and will consume the plenty of time, delay test progress; (2) segmented model can only be made with set cycle forced vibration according to the operating mode of setting, segmented model cannot be recorded and respond really under incoming flow effect; (3) the special sea situations such as simulation two cylinders disturb mutually are difficult to; (4) plant bulk that is put to the test limits, and the slenderness ratio of model is less, and scale effect is larger.(5) due to the complicacy of test unit, the self-sustained oscillation test of dual cylinders is little, and the test of bicylindrical vortex-induced vibration in the two directions is not also carried out substantially.(6) vortex-induced vibration in single-degree-of-freedom direction can only be simulated, cannot simulate closer to the vortex-induced vibration in two degree of freedom of actual conditions.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, provide a kind of simulation uniform flow two riser model and mutually disturb lower two-way self-oscillatory device, be intended to combination model test and numerical simulation, by measurement and the high bandwidth feedback of power, Real-time Numerical Simulation has the kinetic characteristic of the standpipe of virtual architecture parameter, solve existing test unit and be confined to model practical structures performance, the forced vibration of both fixed cycles can only be carried out, scale effect is comparatively large, cannot simulate standpipe in brief more truly and be in problem in actual sea situation.
The present invention is achieved by the following technical solutions.
Lower two-way self-oscillatory device is mutually disturbed according to simulation uniform flow two riser model provided by the invention, it is characterized in that, comprise the first deep sea vertical pipe module, second deep sea vertical pipe module, first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module, first vertical sliding motion module, second vertical sliding motion module, 3rd vertical sliding motion module, 4th vertical sliding motion module, first horizontal slip module, second horizontal slip module and real-time control system module, wherein, described first deep sea vertical pipe module two ends respectively with first end prosthese module and the second end prosthese model calling, described second deep sea vertical pipe module two ends respectively with the 3rd end prosthese module and the 4th end prosthese model calling, described first vertical sliding motion module respectively with first end prosthese module and the first horizontal slip model calling, described second vertical sliding motion module respectively with the second end prosthese module and the second horizontal slip model calling, described 3rd vertical sliding motion module respectively with the 3rd end prosthese module and the first horizontal slip model calling, described 4th vertical sliding motion module respectively with the 4th end prosthese module and the second horizontal slip model calling, described real-time control system is connected with the second horizontal slip module with first end prosthese module, the second end prosthese module, the 3rd end prosthese module, the 4th end prosthese module, the first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module, the first horizontal slip module respectively.
Preferably, described first deep sea vertical pipe module and the second deep sea vertical pipe module include: two standpipe fixture splices and deep sea vertical pipe model, described two standpipe fixture splices are connected to the two ends of deep sea vertical pipe model, described first deep sea vertical pipe module is connected with the second end prosthese module with first end prosthese module respectively by the standpipe fixture splice at two ends, and described second deep sea vertical pipe module is connected with the 4th end prosthese module with the 3rd end prosthese module respectively by the standpipe fixture splice at two ends; Described first deep sea vertical pipe module and the second deep sea vertical pipe module all with the first horizontal slip module at right angle setting, described first deep sea vertical pipe module and the second deep sea vertical pipe module be the flat sliding block at right angle setting with second all.
Preferably, described deep sea vertical pipe model diameter is 250 millimeters, and its length is 2 meters.
Preferably, described first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module includes: prosthese urceolus, three component instrument, three component instrument fixed heads, voussoir, bearing, adjustment assembly, fixed head, backing plate, flow-stopping plate, wherein: prosthese urceolus and flow-stopping plate are fixed, three component instrument are connected with three component instrument fixed heads, one end of three component instrument fixed heads is connected with three component instrument, the other end and the voussoir of three component instrument fixed heads are affixed, voussoir runs through flow-stopping plate, and inside flow-stopping plate with bearing and flow-stopping plate affixed, the voussoir of flow-stopping plate opposite side is connected with backing plate, fixed head by backing plate and voussoir affixed, adjustment assembly respectively with fixed head and stuck-module affixed, prosthese urceolus axial line overlaps with the normal of flow-stopping plate plane, three component instrument fixed head center lines and three component instrument center lines all overlap with prosthese urceolus axial line, three component instrument and voussoir lateral vertical are fixed, three component instrument of first end prosthese module and three component instrument of the second end prosthese module are connected to the two ends of the first deep sea vertical pipe module, and three component instrument of the 3rd end prosthese module and three component instrument of the 4th end prosthese module are connected to the two ends of the second deep sea vertical pipe module.
Preferably, described the second end prosthese module becomes mirror image with first end prosthese module, wherein, adjustment assembly and the first vertical slipper module of first end prosthese module are affixed, and adjustment assembly and the second vertical slipper module of the second end prosthese module are affixed; Described 3rd end prosthese module and first end prosthese module are structure in the same way; Described 4th end prosthese module becomes mirror image with the 3rd end prosthese module; Wherein, adjustment assembly and the 3rd vertical slipper module of the 3rd end prosthese module are affixed, and adjustment assembly and the 4th vertical slipper module of the 4th end prosthese module are affixed.
Preferably, described first horizontal slip module and the second horizontal slip module include: tooth bar, the first Power Component, the second Power Component, the first flange apparatus, the second flange apparatus, the first balladeur train, the second balladeur train, the first balladeur train connecting plate, the second balladeur train connecting plate, the first sliding rail and supporting frame group, wherein: the first Power Component is connected with the first balladeur train by the first flange apparatus, the transmission shaft of the first Power Component is connected to tooth bar through the first balladeur train; First balladeur train is slidably supported on the first sliding rail; First balladeur train connecting plate is slidably supported on the first sliding rail, is connected with the first balladeur train; Second Power Component is connected with the second balladeur train by the second flange apparatus, and the transmission shaft of the second Power Component is connected to tooth bar through the second balladeur train, and the second balladeur train is slidably supported on the first sliding rail; Second balladeur train connecting plate is slidably supported on the first sliding rail, is connected with the second balladeur train; Lower end and first sliding rail of supporting frame group are affixed; First horizontal slip module becomes mirror image with the second horizontal slip module; First balladeur train of the first horizontal slip module and the first balladeur train connecting plate all with the first vertical sliding motion module Joint, second balladeur train of the first horizontal slip module and the second balladeur train connecting plate all with the 3rd vertical sliding motion module Joint, first balladeur train of the second horizontal slip module and the first balladeur train connecting plate all with the second vertical sliding motion module Joint, the second balladeur train of the second horizontal slip module and the second balladeur train connecting plate all with the 4th vertical sliding motion module Joint.
Preferably, the first sliding rail of described first horizontal slip module is vertical with the 3rd vertical sliding motion module with the first vertical sliding motion module respectively; First sliding rail of described second horizontal slip module is vertical with the 4th vertical sliding motion module with the second vertical sliding motion module respectively.
Preferably, described first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module include: the 3rd Power Component, three-flange device, slide block, guide chain, the 3rd sliding rail, radome fairing, fixed support, stiffener, wherein: the 3rd Power Component is connected with the 3rd sliding rail by three-flange device, the turning axle of the 3rd Power Component is connected to slide block by guide chain; Skid is supported on the 3rd sliding rail; 3rd sliding rail is perpendicular to the plane of the first horizontal slip module and the second horizontal slip module composition, and the rear side of the 3rd sliding rail is connected with fixed support, and the both sides of the 3rd sliding rail are provided with radome fairing; One end of stiffener is arranged on fixed support; The slide block of the first vertical sliding motion module and first end prosthese module Joint, the slide block of the second vertical sliding motion module and the second end prosthese module Joint, the slide block of the 3rd vertical sliding motion module and the 3rd end prosthese module Joint, the slide block of the 4th vertical sliding motion module and the 4th end prosthese module Joint; The other end of the stiffener of the first vertical sliding motion module and the 3rd vertical sliding motion module is installed in the first horizontal slip module, and the other end of the stiffener of the second vertical sliding motion module and the 4th vertical sliding motion module is installed in the second horizontal slip module.
Preferably, the 3rd sliding rail is vertical with the second horizontal slip module with the first horizontal slip module; Described second vertical sliding motion module becomes mirror image with the first vertical sliding motion module; 3rd vertical sliding motion module and the first vertical sliding motion module are structure in the same way; 4th vertical sliding motion module becomes mirror image with the 3rd vertical sliding motion module.
Preferably, described first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module includes three component instrument, described first horizontal slip module and the second horizontal slip module include Power Component, described first vertical sliding motion module, second vertical sliding motion module, 3rd vertical sliding motion module, 4th vertical sliding motion module includes Power Component, described real-time control system module comprises: RTOS system, data collection processor, numerical simulation arithmetical unit, motion controller and display, wherein: RTOS system is connection data Acquisition Processor successively, numerical simulation arithmetical unit, motion controller and display, the input end of data collection processor respectively with three component instrument of described first end prosthese module, three component instrument of the second end prosthese module, three component instrument of the 3rd end prosthese module, three component instrument of the 4th end prosthese module, the Power Component of the first vertical sliding motion module, the Power Component of the second vertical sliding motion module, the Power Component of the 3rd vertical sliding motion module, the Power Component of the 4th vertical sliding motion module, the Power Component of the first horizontal slip module and the Power Component of the second horizontal slip module are connected, the output terminal of data collection processor is connected with RTOS system, the input end of motion controller is connected with RTOS system, and the Power Component of the output terminal of motion controller and the Power Component of described first vertical sliding motion module, the second vertical sliding motion module, the Power Component of the 3rd vertical sliding motion module, the Power Component of the 4th vertical sliding motion module, the Power Component of the first horizontal slip module are connected with the Power Component of the second horizontal slip module, display is connected with RTOS system, wherein, described motion controller for commanding the vortex-induced vibration on the first horizontal slip module and the second horizontal slip module executive level direction, and for commanding the first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module performs vortex-induced vibration in vertical direction.
The advantage that the present invention has and good effect are:
Model test and numerical simulation combine by the present invention, adopt real-time control system, real-time measurement obtains model by the acting force of incoming flow, the speed of motion and acceleration, cylindrical quality, elasticity coefficient, ratio of damping is defined in feedback process, by solving the equation of motion, obtain model stressed after real motion characteristic, carry out corresponding sports by controller driving power device band movable model, the circulation of realizable force feedback, simulates the autovibration of model.The data collection processor that the present invention adopts, can high frequency image data carry out the process such as Real-Time Filtering, noise reduction, computing, ensures that works model sport is steady, approaches works real motion; The numerical simulation arithmetical unit that the present invention adopts, quality, damping, stiffness coefficient isostructuralism energy parameter can be set, and do not relate to actual physical model, therefore the combination of same set of test model to different quality, damping and spring rate can be utilized to carry out the self-sustained oscillation test of wider scope, simplify test operation, accelerate test progress; By the vortex-induced vibration of horizontal slip module in analog stream and horizontal direction in test, vertical sliding motion module is for simulating the vortex-induced vibration in vertical direction.The present invention adopts 20m Precise Orbit routing motion to control, and is conducive to improving control accuracy.In addition, the present invention adopts special end prosthetic appliance to manufacture simulated flow pattern, and does not directly affect measurement mechanism, solves the Boundary Effect problem that in test, model both sides occur; The standpipe segmentation diameter that the present invention adopts can reach 250mm, and length can reach 2m, thus within the scope of the movement velocity of horizontal power assembly, Reynolds number reaches 10
6magnitude, reduces scale effect.In addition, in test unit of the present invention, contain two cover Vertical Dynamic assemblies, can simulated dual cylinder mutually disturb under self-sustained oscillation test; The present invention can feed back circulating analog vortex-induced vibration by realizable force in two degree of freedom, studies more real vortex-induced vibration characteristic.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the scheme of installation of the present invention on trailer;
Fig. 2 is structural representation of the present invention;
Fig. 3 is vertical view of the present invention;
Fig. 4 is the structural representation of deep sea vertical pipe module of the present invention;
Fig. 5 is the side view of end of the present invention prosthese module;
Fig. 6 is the structural representation of stuck-module of the present invention;
Fig. 7 is the side view of stuck-module of the present invention;
Fig. 8 is the structural representation of sliding block of the present invention;
Fig. 9 is the vertical view of sliding block of the present invention;
Figure 10 is the structural representation of real-time control system module of the present invention;
In figure, 1 is the first deep sea vertical pipe module, 2 is the second deep sea vertical pipe module, 3 is first end prosthese module, 4 is the second end prosthese module, 5 is the 3rd end prosthese module, 6 is the 4th end prosthese module, 7 is the first vertical sliding motion module, 8 is the second vertical sliding motion module, 9 is the 3rd vertical sliding motion module, 10 is the 4th vertical sliding motion module, 11 is the first horizontal slip module, 12 is the second horizontal slip module, 13 is real-time control system module, 14 is trailer, 100 is deep sea vertical pipe model, 101 is standpipe fixture splice, 300 is prosthese urceolus, 301 is three component instrument, 302 is three component instrument fixed heads, 303 is voussoir, 304 is bearing, 306 is adjustment assembly, 307 is fixed head, 308 is backing plate, 305 is flow-stopping plate, 1100 is tooth bar, 1101 is the first Power Component, 1102 is the second Power Component, 1103 is the first flange apparatus, 1104 is the second flange apparatus, 1105 is the first balladeur train, 1106 is the second balladeur train, 1107 is the first balladeur train connecting plate, 1108 is the second balladeur train connecting plate, 1109 is the first sliding rail, 1110 is supporting frame group, 700 is the 3rd Power Component, 701 is three-flange device, 702 is slide block, 703 is guide chain, 704 is the 3rd sliding rail, 705 is radome fairing, 706 is fixed support, 707 is stiffener, 1300 is RTOS system, 1301 is data collection processor, 1302 is numerical simulation arithmetical unit, 1303 is motion controller, 1304 is display, 401 is three component instrument of the second end prosthese module, 501 is three component instrument of the 3rd end prosthese module, 601 is three component instrument of the 4th end prosthese module.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Lower two-way self-oscillatory device is mutually disturbed according to simulation uniform flow two riser model provided by the invention, comprise the first deep sea vertical pipe module 1, second deep sea vertical pipe module 2, first end prosthese module 3, the second end prosthese module 4, 3rd end prosthese module 5, 4th end prosthese module 6, first vertical sliding motion module 7, second vertical sliding motion module 8, 3rd vertical sliding motion module 9, 4th vertical sliding motion module 10, first horizontal slip module 11, second horizontal slip module 12 and real-time control system module 13, wherein, first deep sea vertical pipe module 1 two ends are connected with first end prosthese module 3 and the second end prosthese module 4 respectively, second deep sea vertical pipe module 2 two ends are connected with the 3rd end prosthese module 5 and the 4th end prosthese module 6 respectively, first vertical sliding motion module 7 is connected with first end prosthese module 3 and the first horizontal slip module 11 respectively, second vertical sliding motion module 8 is connected with the second end prosthese module 4 and the second horizontal slip module 12 respectively, 3rd vertical sliding motion module 9 is connected with the 3rd end prosthese module 5 and the first horizontal slip module 11 respectively, and the 4th vertical sliding motion module 10 is connected with the 4th end prosthese module 6 and the second horizontal slip module 12 respectively, real-time control system 13 to be arranged on trailer 14, and is connected with the second horizontal slip module 12 with first end prosthese module 3, the second end prosthese module the 4, the 3rd end prosthese module the 5, the 4th end prosthese 6 module, the first vertical sliding motion module 7, second vertical sliding motion module 8, the 3rd vertical sliding motion module 9, the 4th vertical sliding motion module 10, first horizontal slip module 11 respectively.
Preferably, arbitrary deep sea vertical pipe module comprises: two standpipe fixture splices and deep sea vertical pipe model, two standpipe fixture splices are connected to the two ends of deep sea vertical pipe model, and arbitrary deep sea vertical pipe module is connected with two end prosthese modules by the standpipe fixture splice at two ends; Arbitrary deep sea vertical pipe module and arbitrary horizontal slip module at right angle setting.
Preferably, deep sea vertical pipe model diameter is 250 millimeters, and its length is 2 meters.
Preferably, either end prosthese module comprises: prosthese urceolus, three component instrument, three component instrument fixed heads, voussoir, bearing, adjustment assembly, fixed head, backing plate, flow-stopping plate, wherein: prosthese urceolus and flow-stopping plate are fixed, three component instrument are connected with three component instrument fixed heads with one end of arbitrary deep sea vertical pipe module respectively, one end of three component instrument fixed heads is connected with three component instrument, its other end and voussoir affixed, voussoir runs through flow-stopping plate, and inside flow-stopping plate with bearing and flow-stopping plate affixed, the voussoir of flow-stopping plate opposite side is connected with backing plate, fixed head by backing plate and voussoir affixed, adjustment assembly respectively with fixed head and stuck-module affixed, prosthese urceolus axial line overlaps with the normal of flow-stopping plate plane, three component instrument fixed head center lines and three component instrument center lines all overlap with prosthese urceolus axial line, three component instrument and voussoir lateral vertical are fixed.
Preferably, the second end prosthese module 4 and first end prosthese module 3 one-tenth mirror image, wherein, adjustment assembly and the first vertical slipper module 7 of first end prosthese module 3 are affixed, and adjustment assembly and the second vertical slipper module 8 of the second end prosthese module 4 are affixed; 3rd end prosthese module 5 and first end prosthese module 3 are structure in the same way; 4th end prosthese module 6 and the 3rd end prosthese module 5 one-tenth mirror image; Wherein, adjustment assembly and the 3rd vertical slipper module 9 of the 3rd end prosthese module 5 are affixed, and adjustment assembly and the 4th vertical slipper module 10 of the 4th end prosthese module 6 are affixed.
Preferably, arbitrary horizontal slip module comprises: tooth bar 1100, first Power Component 1101, second Power Component 1102, first flange apparatus 1103, second flange apparatus 1104, first balladeur train 1105, second balladeur train 1106, first balladeur train connecting plate 1107, second balladeur train connecting plate 1108, first sliding rail 1109 and supporting frame group 1110, wherein: the first Power Component 1101 is connected with the first balladeur train 1105 by the first flange apparatus 1103, the transmission shaft of the first Power Component 1101 is connected to tooth bar 1100 through the first balladeur train 1105; First balladeur train 1105 is slidably supported on the first sliding rail 1109, and with arbitrary vertical sliding motion module Joint; First balladeur train connecting plate 1107 is slidably supported on the first sliding rail 1109, is connected with the first balladeur train 1105, and fixes with one end of arbitrary vertical sliding motion module; Second Power Component 1102 is connected with the second balladeur train 1106 by the second flange apparatus 1104, and the transmission shaft of the second Power Component 1102 is connected to tooth bar 1100 through the second balladeur train 1106; Second balladeur train 1106 is slidably supported on the first sliding rail 1109, and with arbitrary vertical sliding motion module Joint, second balladeur train connecting plate 1108 is slidably supported on the first sliding rail 1109, is connected with the second balladeur train 1106, and fixes with one end of arbitrary vertical sliding motion module; Upper end and the trailer 14 of supporting frame group 1110 are affixed, and lower end and first sliding rail 1109 of supporting frame group 1110 are affixed.
Preferably, the first sliding rail 1109 of the first horizontal slip module 11 is parallel at the bottom of towing basin pond also vertical with the 3rd vertical sliding motion module 9 with the first vertical sliding motion module 7 respectively; Second horizontal slip module 12 and the first horizontal slip module 11 one-tenth mirror image, and vertical with the 4th vertical sliding motion module 10 with the second vertical sliding motion module 8 respectively.
Preferably, arbitrary vertical slipper module comprises: the 3rd Power Component 700, three-flange device 701, slide block 702, guide chain 703, the 3rd sliding rail 704, radome fairing 705, fixed support 706, stiffener 707, wherein: the 3rd Power Component 700 is connected with the 3rd sliding rail 704 by three-flange device 701, its turning axle is connected to slide block 702 by guide chain 703, slide block 702 is slidably supported on the 3rd sliding rail 704, and with either end prosthese module Joint; 3rd sliding rail 704 is perpendicular to arbitrary horizontal slip module, and its one end is connected with fixed support 706, and its other end is freely unsettled, and the both sides of the 3rd sliding rail 704 are provided with radome fairing 705; Stiffener 707 two ends are arranged on fixed support 706 respectively with in arbitrary horizontal slip module.
Preferably, second vertical sliding motion module 8 and the first vertical sliding motion module 7 one-tenth mirror image, wherein, 3rd sliding rail 704 of the first vertical slipper module 7 is perpendicular to vertical with the first horizontal slip module 11 at the bottom of towing basin pond, slide block 702 and first end prosthese module 3 Joint of the first vertical slipper module 7, the slide block of the second vertical sliding motion module 8 and the second end prosthese module 4 Joint; 3rd vertical sliding motion module 9 and the first vertical sliding motion module 7 are structure in the same way, and slide block and the 3rd end prosthese module 5 of the 3rd vertical sliding motion module 9 are affixed; 4th vertical sliding motion module 10 and the 3rd vertical sliding motion module 9 one-tenth mirror image, slide block and the 4th end prosthese module 6 of the 4th vertical sliding motion module 10 are affixed.
Preferably, either end prosthese comprises three component instrument, arbitrary horizontal slip module comprises Power Component, real-time control system module comprises: RTOS system 1300, data collection processor 1301, numerical simulation arithmetical unit 1302, motion controller 1303 and display 1304, wherein: RTOS system 1300 is connection data Acquisition Processor 1301, numerical simulation arithmetical unit 1302, motion controller 1303 and display 1304 successively, the input end of data collection processor 1301 respectively with three component instrument of first end prosthese module 3, three component instrument of the second end prosthese module 4, three component instrument of the 3rd end prosthese module 5, three component instrument of the 4th end prosthese module 6, the Power Component of the first vertical sliding motion module 7, the Power Component of the second vertical sliding motion module 8, the Power Component of the 3rd vertical sliding motion module 9, the Power Component of the 4th vertical sliding motion module 10, Power Component in Power Component in first horizontal slip module 11 and the second horizontal slip module 12 is connected, its output terminal is connected with RTOS system 1300, numerical simulation arithmetical unit 1302 is connected with RTOS system 1300, the input end of motion controller 1303 is connected with RTOS system 1300, and the Power Component of output terminal and the first vertical sliding motion module 7, the Power Component of the second vertical sliding motion module 8, the Power Component of the 3rd vertical sliding motion module 9, the Power Component of the 4th vertical sliding motion module 10, the Power Component of the first horizontal slip module 11 are connected with the Power Component of the second horizontal slip module 12, display 1304 is connected with RTOS system 1300.
The Power Component of described first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module preferably includes the 3rd Power Component; The Power Component of described first horizontal slip module, the second horizontal slip module preferably includes the first Power Component and the second Power Component.
Be specially, as Fig. 1, shown in Fig. 2 and Fig. 3, described simulation uniform flow two riser model provided by the invention disturbs lower two-way self-oscillatory device to comprise mutually: the first deep sea vertical pipe module 1, second deep sea vertical pipe module 2, first end prosthese module 3, the second end prosthese module 4, 3rd end prosthese module 5, 4th end prosthese module 6, first vertical sliding motion module 7, second vertical sliding motion module 8, 3rd vertical sliding motion module 9, 4th vertical sliding motion module 10, first horizontal slip module 11, second horizontal slip module 12 and real-time control system module 13, wherein: the first deep sea vertical pipe module 1 two ends are connected with first end prosthese module 3 and the second end prosthese module 4 respectively, first vertical sliding motion module 7 is connected with first end prosthese module 3 and the first horizontal slip module 11 respectively, second vertical sliding motion module 8 is connected with the second end prosthese module 4 and the second horizontal slip module 12 respectively, 3rd vertical sliding motion module 9 is connected with the 3rd end prosthese module 5 and the first horizontal slip module 11 respectively, 4th vertical sliding motion module 10 is connected with the 4th end prosthese module 6 and the second horizontal slip module 12 respectively, the first horizontal slip module 11 be fixedly connected with bottom trailer 14 one end and and the first vertical sliding motion module 7, 3rd vertical sliding motion module 9 connects, the second horizontal slip module 12 be fixedly connected with bottom trailer 14 other end and and the second vertical sliding motion module 8, 4th vertical sliding motion module 10 connects, and the first horizontal slip module 11 and the second horizontal slip module parallel are installed, the first deep sea vertical pipe module 1, second deep sea vertical pipe module 2 and horizontal slip module at right angle setting, real-time control system module 13 is arranged on trailer 14, respectively with first end prosthese module 3, the second end prosthese module 4, 3rd end prosthese module 5, 4th end prosthese module 6, first vertical sliding motion module 7, second vertical sliding motion module 8, 3rd vertical sliding motion module 9, 4th vertical sliding motion module 10, first horizontal slip module 11, second horizontal slip module 12 is connected.
As shown in Figure 2, Figure 4 shows, described first deep sea vertical pipe module 1 and the second deep sea vertical pipe module 2 include: two standpipe fixture splices 101 and deep sea vertical pipe model 100, wherein: deep sea vertical pipe model 100 diameter is 250 millimeters, length is 2 meters, and two ends are connected with two standpipe fixture splices 101 respectively.Two standpipe fixture splices of the first deep sea vertical pipe module 1 are connected with first end prosthese module 3 and the second end prosthese module 4 respectively.Standpipe fixture splice 101, for being fixedly connected with, avoids riser model to occur when testing to loosen.Two standpipe fixture splices of the second deep sea vertical pipe module 2 are connected with first end prosthese module 5 and the second end prosthese module 6 respectively.
As shown in Figure 2 and Figure 5, described first end prosthese module 3 comprises: prosthese urceolus 300, three component instrument 301, three component instrument fixed heads 302, voussoir 303, bearing 304, adjustment assembly 306, fixed head 307, backing plate 308, flow-stopping plate 305, wherein: prosthese urceolus 300 with flow-stopping plate 305 fixing the and method line traffic control of the axis of prosthese urceolus 300 and flow-stopping plate 305 at 0 degree, three component instrument 301 are connected with three component instrument fixed heads 302 with the first fixture splice 101 in floating drum segmentation module 1 respectively, three component instrument fixed head 302 one end are connected with three component instrument 301, the other end and voussoir 303 affixed, voussoir 303 runs through flow-stopping plate 305, and it is affixed with bearing 304 and flow-stopping plate 305 inside flow-stopping plate 305, the voussoir 303 of flow-stopping plate 305 opposite side is connected with backing plate 308, fixed head 307 is affixed by backing plate 308 and voussoir 303, adjustment assembly 306 respectively with fixed head 307 and the first stuck-module 7 affixed.The second end prosthese module 4 and first end prosthese module 3 are mirror image.3rd end prosthese module 5 is identical with first end prosthese module 3 structure, the 3rd end prosthese module 5 and the 3rd vertical sliding motion module 9 affixed.4th end prosthese module 6 and the 3rd end prosthese module are mirror image, and the structure of the 4th end prosthese module 6 is identical with the second end prosthese module 4 structure, the 4th end prosthese module 6 and the 4th vertical sliding motion module 10 affixed.
As shown in Fig. 2, Fig. 8 and Fig. 9, described first horizontal slip module 11 comprises: tooth bar 1100, first Power Component 1101, second Power Component 1102, first flange apparatus 1103, second flange apparatus 1104, first balladeur train 1105, second balladeur train 1106, first balladeur train connecting plate 1107, second balladeur train connecting plate 1108, first sliding rail 1109 and supporting frame group 1110, wherein: the first Power Component 1101 is connected with the first balladeur train 1105 by the first flange apparatus 1103, the transmission shaft of the first Power Component 1101 is connected to tooth bar 1100 through the first balladeur train 1105; First balladeur train 1105 is slidably supported on the first sliding rail 1109, and with the first vertical sliding motion module 7 Joint; First balladeur train connecting plate 1107 is slidably supported on the first sliding rail 1109, is connected with the first balladeur train, and fixes with the 3rd sliding rail 704 one end of the first vertical sliding motion module 7; Second Power Component 1102 is connected with the second balladeur train 1106 by the second flange apparatus 1104, and the transmission shaft of the second Power Component 1102 is connected to tooth bar 1100 through the second balladeur train 1106; Second balladeur train 1106 is slidably supported on the first sliding rail 1109, and with the 3rd vertical sliding motion module 9 Joint; Second balladeur train connecting plate 1108 is slidably supported on the first sliding rail 1109, is connected with the second balladeur train, and fixes with the 3rd sliding rail one end of the 3rd stuck-module 9; Supporting frame group 1110 upper end and trailer 14 affixed, lower end and the first sliding rail 1109 affixed, the first sliding rail 1109 to be parallel at the bottom of towing basin pond and vertical with the first stuck-module 7, the 3rd stuck-module 9; Described second horizontal slip module 12 and the first horizontal slip module 11 one-tenth mirror image, do not repeat them here.
As shown in Fig. 2, Fig. 6 and Fig. 7, described first vertical sliding motion module 7 comprises: the 3rd Power Component 700, three-flange device 701, slide block 702, guide chain 703, the 3rd sliding rail 704, radome fairing 705, fixed support 706, stiffener 707, wherein: the 3rd Power Component 700 is connected with the 3rd sliding rail 704 by three-flange device 701, its turning axle is connected to slide block 702 by guide chain 703, slide block 702 is slidably supported on the 3rd sliding rail 704, and with adjustment assembly 306 Joint of first end prosthese module 3; 3rd sliding rail 704 is perpendicular to vertical with the first horizontal slip module at the bottom of towing basin pond, and the opposite side of the 3rd sliding rail 704 is connected with fixed support 706, and lower end is freely unsettled, and the both sides of the 3rd sliding rail 704 are provided with radome fairing 705; Stiffener 707 two ends are arranged on the first balladeur train connecting plate 1107 in fixed support 706 and the first horizontal slip module 11 respectively; Described second vertical sliding motion module 8 and the first vertical sliding motion module 7 one-tenth mirror image, the 3rd vertical sliding motion module 9 is identical with the first vertical sliding motion module 7 structure, is jointly connected in the first horizontal slip module 11.4th vertical sliding motion module 10 and the second vertical sliding motion module 8 one-tenth mirror image, are connected in the second horizontal slip module 12 jointly.
As shown in Figure 10, described real-time control system module 13 comprises: RTOS system 1300, data collection processor 1301, numerical simulation arithmetical unit 1302, motion controller 1303 and display 1304.Wherein: RTOS system 1300 is connection data Acquisition Processor 1301, numerical simulation arithmetical unit 1302, motion controller 1303 and display 1304 successively, the input end of data collection processor 1301 and three component instrument 301 of described first end prosthese module 3, three component instrument 401 of the second end prosthese module 4, three component instrument 501 of the 3rd end prosthese module 5, three component instrument 601 of the 4th end prosthese module 6, 3rd Power Component 700 of the first vertical sliding motion module 7, 3rd Power Component of the second vertical sliding motion module 8, 3rd Power Component of the 3rd vertical sliding motion module 9, 4th Power Component of the 4th vertical sliding motion module 10, first Power Component 1101 of the first horizontal slip module 11, first Power Component of the scrambler in the second Power Component 1102 and the second horizontal slip module 12, scrambler in second Power Component is connected, its output terminal is connected with RTOS system 1300, numerical simulation arithmetical unit 1302 is connected with RTOS system 1300, the input end of motion controller 1303 is connected with RTOS system 1300, and the first Power Component, second Power Component of the 3rd Power Component of output terminal and the 3rd Power Component 700, second vertical sliding motion module 8 of described first vertical sliding motion module 7, the 3rd Power Component of the 3rd vertical sliding motion module 9, the 4th Power Component of the 4th vertical sliding motion module 10, the first Power Component 1101, second Power Component 1102 of the first horizontal slip module 11 and the second horizontal slip module 12 are connected, display 1304 is connected with RTOS system 1300.
The principle of work of the present embodiment is:
Before on-test, in the numerical simulation arithmetical unit 1302 of real-time control system module 13, set the parameter such as quality, damping, stiffness coefficient of model configuration object model performance.During test, motion controller 1303 is to the first Power Component 1101 of the first horizontal slip track 11, first Power Component of the second horizontal slip track 12 sends instruction, make the first deep sea vertical pipe module 1, second deep sea vertical pipe module 2, first end prosthese module 3, the second end prosthese module 4, 3rd end prosthese module 5, 4th end prosthese module 6, first vertical sliding motion module 7, second vertical sliding motion module 8, 3rd vertical sliding motion module 9, 4th vertical sliding motion module 10 moves ahead in towing basin in the horizontal direction with certain speed, obtain relative velocity by advancing in hydrostatic and be statically placed in situation in uniform incoming flow to simulate deep sea vertical pipe model 100.
In process of the test, stressed in equal uniform flow of deep sea vertical pipe model 100 measured by three component instrument in first end prosthese module 3 and the second end prosthese module 4, deep sea vertical pipe model 100 real time kinematics speed measured by the scrambler of the first Power Component 1101 of the first horizontal slip module 11 and the first Power Component of the second horizontal slip module 12, data collection processor 1301 obtains data with high frequency sampling, through Real-Time Filtering, noise reduction, and acting force constituent analysis etc., obtain power parameter and speed parameter, and output it to numerical simulation arithmetical unit 1302, transfer data to display 1304 simultaneously and be shown as viewdata.The power parameter that numerical simulation arithmetical unit 1302 inputs according to data collection processor 1301 and speed parameter, solve the equation of motion, calculate the movement velocity that deep sea vertical pipe model 100 should reach after 2 ms, and output it to motion controller 1303 and generate steering order.Wherein, in Measurement and analysis module 13, the transmission of all data is all completed by RTOS system 1300.After this, movement instruction is sent to the first Power Component 1101 of the first horizontal slip module 11 and the first Power Component of the second horizontal slip module 12 by motion controller 1303, Power Component drives the first deep sea vertical pipe module 1 to move on the first sliding rail 1109 of the first horizontal slip module 11 and the sliding rail of the second horizontal slip module 12 along parallel with carrying out flow path direction, and arrive the speed calculated after 2 ms, thus the real motion of simulation standpipe.Meanwhile, the steering order that motion controller sends is output on display 1304 and shows.Arrive this, realize a working cycle according to described device provided by the invention.After this, three component instrument etc. continue to measure the stressed and true velocity of deep sea vertical pipe model 100 in equal uniform flow with scrambler, repeat above-mentioned working cycle, form force feedback system.Move with the standpipe in dummy level direction.
For the second deep sea vertical pipe module 2, use the same method and form the force feedback system of horizontal direction, do not repeat them here.
Meanwhile, in process of the test, stressed in equal uniform flow of deep sea vertical pipe model 100 measured by three component instrument in first end prosthese module 3 and the second end prosthese module 4, deep sea vertical pipe model 100 real time kinematics speed measured by the scrambler of the 3rd Power Component 700 of the first vertical sliding motion module 7 and the 3rd Power Component of the second vertical sliding motion module 8, data collection processor 1301 obtains data with high frequency sampling, through Real-Time Filtering, noise reduction, and acting force constituent analysis etc., obtain power parameter and speed parameter, and output it to numerical simulation arithmetical unit 1302, transfer data to display 1304 simultaneously and be shown as viewdata.The power parameter that numerical simulation arithmetical unit 1302 inputs according to data collection processor 1301 and speed parameter, solve the equation of motion, calculate the movement velocity that deep sea vertical pipe model 100 should reach after 2 ms, and output it to motion controller 1303 and generate steering order.Wherein, in Measurement and analysis module 13, the transmission of all data is all completed by RTOS system 1300.After this, movement instruction is sent to the 3rd Power Component 700 of the first vertical sliding motion module 7 and the 3rd Power Component of the second vertical sliding motion module 8 by motion controller 1303,3rd Power Component drives the first deep sea vertical pipe module 1 to move on the 3rd sliding rail 704 of the first vertical sliding motion module 7 and the sliding rail of the second vertical sliding motion module 8 along in down-flowing incoming direction, and arrive the speed calculated after 2 ms, thus the real motion of simulation standpipe.Meanwhile, the steering order that motion controller sends is output on display 1304 and shows.Arrive this, realize a working cycle according to described device provided by the invention.After this, three component instrument etc. continue to measure the stressed and true velocity of deep sea vertical pipe model 100 in equal uniform flow with scrambler, repeat above-mentioned working cycle, form force feedback system, to simulate the standpipe motion in vertical direction.
For the second deep sea vertical pipe module 2, use the same method the force feedback system formed in vertical direction, do not repeat them here, the mutual interference between two deep-sea riser segmented models of simulating two degree of freedom under uniform incoming flow with this.
Model test and numerical simulation combine by the present invention, adopt real-time control system module 13, real-time measurement obtains model by the acting force of incoming flow, the speed of motion and acceleration, cylindrical quality, elasticity coefficient, ratio of damping is defined in feedback process, by solving the equation of motion, obtain model stressed after real motion characteristic, carry out corresponding sports by controller driving power device band movable model, the circulation of realizable force feedback, simulates the autovibration of model.The data collection processor 1301 that the present invention adopts, can high frequency image data carry out the process such as Real-Time Filtering, noise reduction, computing, ensures that works model sport is steady, approaches works real motion; The numerical simulation arithmetical unit 1302 that the present invention adopts, quality, damping, stiffness coefficient isostructuralism energy parameter can be set, and do not relate to actual physical model, therefore the combination of same set of test model to different quality, damping and spring rate can be utilized to carry out the self-sustained oscillation test of wider scope, simplify test operation, accelerate test progress; By the vortex-induced vibration of horizontal slip module in analog stream and horizontal direction in test, vertical sliding motion module is for simulating the vortex-induced vibration in vertical direction.The present invention adopts 20m Precise Orbit routing motion to control, and is conducive to improving control accuracy.In addition, the present invention adopts special first end prosthetic appliance 3 and the second end prosthetic appliance 4 to manufacture simulated flow pattern, and does not directly affect measurement mechanism, solves the Boundary Effect problem that in test, model both sides occur; Deep-sea riser segmented model 100 diameter that the present invention adopts can reach 250mm, and length can reach 2m, thus within the scope of the movement velocity of horizontal power assembly, Reynolds number reaches 10
6magnitude, reduces scale effect.In addition, the present invention can feed back circulating analog vortex-induced vibration by realizable force in two degree of freedom, studies more real vortex-induced vibration characteristic.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. simulation uniform flow two riser model disturbs lower two-way self-oscillatory device mutually, it is characterized in that, comprise the first deep sea vertical pipe module, second deep sea vertical pipe module, first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module, first vertical sliding motion module, second vertical sliding motion module, 3rd vertical sliding motion module, 4th vertical sliding motion module, first horizontal slip module, second horizontal slip module and real-time control system module, wherein, described first deep sea vertical pipe module two ends respectively with first end prosthese module and the second end prosthese model calling, described second deep sea vertical pipe module two ends respectively with the 3rd end prosthese module and the 4th end prosthese model calling, described first vertical sliding motion module respectively with first end prosthese module and the first horizontal slip model calling, described second vertical sliding motion module respectively with the second end prosthese module and the second horizontal slip model calling, described 3rd vertical sliding motion module respectively with the 3rd end prosthese module and the first horizontal slip model calling, described 4th vertical sliding motion module respectively with the 4th end prosthese module and the second horizontal slip model calling, described real-time control system is connected with the second horizontal slip module with first end prosthese module, the second end prosthese module, the 3rd end prosthese module, the 4th end prosthese module, the first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module, the first horizontal slip module respectively,
Described first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module includes three component instrument, described first horizontal slip module and the second horizontal slip module include Power Component, described first vertical sliding motion module, second vertical sliding motion module, 3rd vertical sliding motion module, 4th vertical sliding motion module includes Power Component, described real-time control system module comprises: RTOS system, data collection processor, numerical simulation arithmetical unit, motion controller and display, wherein: RTOS system is connection data Acquisition Processor successively, numerical simulation arithmetical unit, motion controller and display, the input end of data collection processor respectively with three component instrument of described first end prosthese module, three component instrument of the second end prosthese module, three component instrument of the 3rd end prosthese module, three component instrument of the 4th end prosthese module, the Power Component of the first vertical sliding motion module, the Power Component of the second vertical sliding motion module, the Power Component of the 3rd vertical sliding motion module, the Power Component of the 4th vertical sliding motion module, the Power Component of the first horizontal slip module and the Power Component of the second horizontal slip module are connected, the output terminal of data collection processor is connected with RTOS system, the input end of motion controller is connected with RTOS system, and the Power Component of the output terminal of motion controller and the Power Component of described first vertical sliding motion module, the second vertical sliding motion module, the Power Component of the 3rd vertical sliding motion module, the Power Component of the 4th vertical sliding motion module, the Power Component of the first horizontal slip module are connected with the Power Component of the second horizontal slip module, display is connected with RTOS system, wherein, described motion controller for commanding the vortex-induced vibration on the first horizontal slip module and the second horizontal slip module executive level direction, and for commanding the first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module performs vortex-induced vibration in vertical direction,
Adopt real-time control system, real-time measurement obtains model by the acting force of incoming flow, the speed of motion and acceleration, cylindrical quality, elasticity coefficient, ratio of damping is defined in feedback process, by solving the equation of motion, obtain model stressed after real motion characteristic, corresponding sports is carried out, the circulation of realizable force feedback by motion controller driving power device band movable model;
Data collection processor, carries out Real-Time Filtering, noise reduction, calculation process for image data, ensures that works model sport is steady, approaches works real motion;
Numerical simulation arithmetical unit, for setting structure performance parameter.
2. simulation uniform flow two riser model according to claim 1 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described first deep sea vertical pipe module and the second deep sea vertical pipe module include: two standpipe fixture splices and deep sea vertical pipe model, described two standpipe fixture splices are connected to the two ends of deep sea vertical pipe model, described first deep sea vertical pipe module is connected with the second end prosthese module with first end prosthese module respectively by the standpipe fixture splice at two ends, described second deep sea vertical pipe module is connected with the 4th end prosthese module with the 3rd end prosthese module respectively by the standpipe fixture splice at two ends, described first deep sea vertical pipe module and the second deep sea vertical pipe module all with the first horizontal slip module at right angle setting, described first deep sea vertical pipe module and the second deep sea vertical pipe module be the flat sliding block at right angle setting with second all.
3. simulation uniform flow two riser model according to claim 2 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described deep sea vertical pipe model diameter is 250 millimeters, and its length is 2 meters.
4. simulation uniform flow two riser model according to claim 1 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described first end prosthese module, the second end prosthese module, 3rd end prosthese module, 4th end prosthese module includes: prosthese urceolus, three component instrument, three component instrument fixed heads, voussoir, bearing, adjustment assembly, fixed head, backing plate, flow-stopping plate, wherein: prosthese urceolus and flow-stopping plate are fixed, three component instrument are connected with three component instrument fixed heads, one end of three component instrument fixed heads is connected with three component instrument, the other end and the voussoir of three component instrument fixed heads are affixed, voussoir runs through flow-stopping plate, and inside flow-stopping plate with bearing and flow-stopping plate affixed, the voussoir of flow-stopping plate opposite side is connected with backing plate, fixed head by backing plate and voussoir affixed, adjustment assembly respectively with fixed head and stuck-module affixed, prosthese urceolus axial line overlaps with the normal of flow-stopping plate plane, and three component instrument fixed head center lines and three component instrument center lines all overlap with prosthese urceolus axial line, and three component instrument and voussoir lateral vertical are fixed, three component instrument of first end prosthese module and three component instrument of the second end prosthese module are connected to the two ends of the first deep sea vertical pipe module, and three component instrument of the 3rd end prosthese module and three component instrument of the 4th end prosthese module are connected to the two ends of the second deep sea vertical pipe module.
5. simulation uniform flow two riser model according to claim 4 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described the second end prosthese module becomes mirror image with first end prosthese module, wherein, adjustment assembly and the first vertical slipper module of first end prosthese module are affixed, and adjustment assembly and the second vertical slipper module of the second end prosthese module are affixed; Described 3rd end prosthese module and first end prosthese module are structure in the same way; Described 4th end prosthese module becomes mirror image with the 3rd end prosthese module; Wherein, adjustment assembly and the 3rd vertical slipper module of the 3rd end prosthese module are affixed, and adjustment assembly and the 4th vertical slipper module of the 4th end prosthese module are affixed.
6. simulation uniform flow two riser model according to claim 1 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described first horizontal slip module and the second horizontal slip module include: tooth bar, first Power Component, second Power Component, first flange apparatus, second flange apparatus, first balladeur train, second balladeur train, first balladeur train connecting plate, second balladeur train connecting plate, first sliding rail and supporting frame group, wherein: the first Power Component is connected with the first balladeur train by the first flange apparatus, the transmission shaft of the first Power Component is connected to tooth bar through the first balladeur train, first balladeur train is slidably supported on the first sliding rail, first balladeur train connecting plate is slidably supported on the first sliding rail, is connected with the first balladeur train, second Power Component is connected with the second balladeur train by the second flange apparatus, and the transmission shaft of the second Power Component is connected to tooth bar through the second balladeur train, and the second balladeur train is slidably supported on the first sliding rail, second balladeur train connecting plate is slidably supported on the first sliding rail, is connected with the second balladeur train, lower end and first sliding rail of supporting frame group are affixed, first horizontal slip module becomes mirror image with the second horizontal slip module, first balladeur train of the first horizontal slip module and the first balladeur train connecting plate all with the first vertical sliding motion module Joint, second balladeur train of the first horizontal slip module and the second balladeur train connecting plate all with the 3rd vertical sliding motion module Joint, first balladeur train of the second horizontal slip module and the first balladeur train connecting plate all with the second vertical sliding motion module Joint, the second balladeur train of the second horizontal slip module and the second balladeur train connecting plate all with the 4th vertical sliding motion module Joint.
7. simulation uniform flow two riser model according to claim 6 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, the first sliding rail of described first horizontal slip module is vertical with the 3rd vertical sliding motion module with the first vertical sliding motion module respectively; First sliding rail of described second horizontal slip module is vertical with the 4th vertical sliding motion module with the second vertical sliding motion module respectively.
8. simulation uniform flow two riser model according to claim 1 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, described first vertical sliding motion module, the second vertical sliding motion module, the 3rd vertical sliding motion module, the 4th vertical sliding motion module include: the 3rd Power Component, three-flange device, slide block, guide chain, the 3rd sliding rail, radome fairing, fixed support, stiffener, wherein: the 3rd Power Component is connected with the 3rd sliding rail by three-flange device, the turning axle of the 3rd Power Component is connected to slide block by guide chain; Skid is supported on the 3rd sliding rail; 3rd sliding rail is perpendicular to the plane of the first horizontal slip module and the second horizontal slip module composition, and the rear side of the 3rd sliding rail is connected with fixed support, and the both sides of the 3rd sliding rail are provided with radome fairing; One end of stiffener is arranged on fixed support; The slide block of the first vertical sliding motion module and first end prosthese module Joint, the slide block of the second vertical sliding motion module and the second end prosthese module Joint, the slide block of the 3rd vertical sliding motion module and the 3rd end prosthese module Joint, the slide block of the 4th vertical sliding motion module and the 4th end prosthese module Joint; The other end of the stiffener of the first vertical sliding motion module and the 3rd vertical sliding motion module is installed in the first horizontal slip module, and the other end of the stiffener of the second vertical sliding motion module and the 4th vertical sliding motion module is installed in the second horizontal slip module.
9. simulation uniform flow two riser model according to claim 8 disturbs lower two-way self-oscillatory device mutually, it is characterized in that, the 3rd sliding rail is vertical with the second horizontal slip module with the first horizontal slip module; Described second vertical sliding motion module becomes mirror image with the first vertical sliding motion module; 3rd vertical sliding motion module and the first vertical sliding motion module are structure in the same way; 4th vertical sliding motion module becomes mirror image with the 3rd vertical sliding motion module.
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| CN105444972A (en) * | 2015-06-18 | 2016-03-30 | 浙江海洋学院 | Transversely-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 |
| CN107560811A (en) * | 2017-08-16 | 2018-01-09 | 中国海洋石油总公司 | A kind of double standpipe vortex-induced vibration research experiment vertical tube fixing devices |
| CN108597344B (en) * | 2018-07-13 | 2023-12-22 | 江苏科技大学 | Experimental device for vortex-induced vibration in constant flow and application method thereof |
| CN109883632B (en) * | 2019-02-02 | 2021-03-23 | 中国石油大学(北京) | Motion simulation device and calibration device |
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