CN102967431B - The test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe - Google Patents
The test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe Download PDFInfo
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Abstract
A kind of test unit of simulating the two-way autovibration of uniform flow deep sea vertical pipe, comprise deep sea vertical pipe module, first, the second end prosthese module, first, second vertical sliding motion module, first, second horizontal slip module and real-time control system module, deep sea vertical pipe module two ends are respectively with first, the second end prosthese model calling, first vertical sliding motion module respectively with first end prosthese module and the first horizontal slip model calling, second vertical sliding motion module respectively with the second end prosthese module and the second horizontal slip model calling, deep sea vertical pipe module and horizontal slip module at right angle setting, real-time control system module respectively with end prosthese module, vertical sliding motion module is connected with horizontal slip module.Test unit disclosed in this invention, can accelerate test progress, and provides very large degree of freedom for the selection of riser segmented model; Bi-directional synchronization vibration can be realized, the autovibration of analogy model; And solve the problem of model boundary effect.
Description
Technical field
The invention belongs to oceanographic engineering field, relate to a kind of test unit of simulating the two-way autovibration of uniform flow deep sea vertical pipe particularly.
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 real yardstick 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.
Not enough below current 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) be difficult to simulation incoming flow and be not orthogonal to the special sea situations such as works; (4) plant bulk that is put to the test limits, and the slenderness ratio of model is less, and scale effect is larger.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of test unit of simulating the two-way autovibration of uniform flow deep sea vertical pipe is provided, 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 more really and be in problem in actual sea situation.
The present invention is achieved by the following technical solutions, the test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe, comprise deep sea vertical pipe module, end prosthese module, vertical sliding motion module, horizontal slip module and real-time control system module, wherein: end prosthese module comprises first end prosthese module and the second end prosthese module, vertical sliding motion module comprise the first vertical sliding motion module and the second vertical sliding motion module, horizontal slip module comprise the first horizontal slip module and the second horizontal slip module, deep sea vertical pipe module two ends respectively with first end prosthese module and the second end prosthese model calling, first vertical sliding motion module respectively with first end prosthese module and the first horizontal slip model calling, second vertical sliding motion module respectively with the second end prosthese module and the second horizontal slip model calling, first horizontal slip module is fixed on trailer bottom end, second horizontal slip module is fixed on the other end bottom trailer, deep sea vertical pipe module and horizontal slip module at right angle setting, real-time control system module installation is on trailer, respectively with end prosthese module, vertical sliding motion module is connected with horizontal slip module.
Preferably, described deep sea vertical pipe module comprises: two standpipe fixture splices and deep sea vertical pipe model, wherein: deep sea vertical pipe model two ends are connected with two standpipe fixture splices respectively, two standpipe fixture splices respectively with first end prosthese module and the second end prosthese model calling.
Preferably, described 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 the fixture splice of two in deep sea vertical pipe module respectively, three component instrument fixed head one end are connected with three component instrument, the 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 vertical sliding motion module affixed, prosthese urceolus axial line overlaps with the normal of shelves stream board 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, described the second end prosthese module and first end prosthese module are mirror image.
Preferably, described horizontal slip module comprises: tooth bar, horizontal power assembly, horizontal flange device, balladeur train, balladeur train connecting plate, horizontal slip track and supporting frame group, wherein: horizontal power assembly is connected with balladeur train by horizontal flange device, its transmission shaft is connected to tooth bar through balladeur train, balladeur train is slidably supported on horizontal slip track, and with vertical sliding motion module Joint, balladeur train connecting plate is slidably supported on horizontal slip track, be connected with balladeur train, and fix with vertical sliding motion module; Supporting frame group upper end and trailer affixed, lower end and horizontal slip track affixed, horizontal slip parallel track is with vertical sliding motion module vertical at the bottom of towing basin pond; Described second horizontal slip module becomes mirror image with the first horizontal slip module.
Preferably, described vertical sliding motion module comprises: Vertical Dynamic assembly, vertical flange apparatus, slide block, guide chain, vertical sliding motion track, radome fairing, fixed support, stiffener, wherein: Vertical Dynamic assembly is connected with vertical sliding motion track by vertical flange apparatus, its turning axle is connected to slide block by guide chain, skid is supported on vertical sliding motion track, and with the adjustment assembly Joint of end prosthese module; Vertical sliding motion race orthogonal is vertical with horizontal slip module at the bottom of towing basin pond, and its opposite side is connected with fixed support, and lower end is freely unsettled, and the both sides of vertical sliding motion track are provided with radome fairing; Stiffener two ends are arranged on the balladeur train connecting plate in fixed support and sliding block respectively; Described second vertical sliding motion module becomes mirror image with the first vertical sliding motion module.
Preferably, 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, numerical simulation arithmetical unit, motion controller and display successively; The input end of data collection processor is connected with the Power Component scrambler in three component instrument of described end prosthese module, level and vertical sliding motion module, and its output terminal is connected with RTOS system; Numerical simulation arithmetical unit is connected with RTOS system; The input end of motion controller is connected with RTOS system, and output terminal is connected with the Power Component of described level, vertical sliding motion module; Display is connected with RTOS system.
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, then this actual motion signal be applied on model by servomotor make it move, 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 whirlpool Induced Oscillation 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 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 normal trailer movement velocity, Reynolds number reaches 10
6magnitude, reduces scale effect.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of experimental provision on trailer that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the experimental provision that the embodiment of the present invention provides;
Fig. 3 is the vertical view of the experimental provision that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the deep sea vertical pipe module that the embodiment of the present invention provides;
Fig. 5 is the side view of the end prosthese module that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the vertical sliding motion module that the embodiment of the present invention provides;
Fig. 7 is the side view of the vertical sliding motion module that the embodiment of the present invention provides;
Fig. 8 is the structural representation of the horizontal slip module that the embodiment of the present invention provides;
Fig. 9 is the vertical view of the horizontal slip module that the embodiment of the present invention provides;
Figure 10 is the structural representation of the real-time control system module that the embodiment of the present invention provides.
In figure, 1 is deep sea vertical pipe module, 2 is first end prosthese module, 3 is the second end prosthese module, 4 is the first vertical sliding motion module, 5 is the second vertical sliding motion module, 6 is the first horizontal slip module, 7 is the second horizontal slip module, 8 is real-time control system module, 9 is trailer, 100 is deep sea vertical pipe model, 101, 102 is standpipe fixture splice, 200 is the first prosthese urceolus, 201 is the one or three component instrument, 202 is the one or three component instrument fixed head, 203 is the first voussoir, 204 is the first bearing, 206 is the first adjustment assembly, 207 is the first fixed head, 208 is the first backing plate, 205 is the first flow-stopping plate, 600 is the first tooth bar, 601 is the first horizontal power assembly, 602 is the first horizontal flange device, 603 is the first balladeur train, 604 is the first balladeur train connecting plate, 605 is the first horizontal slip track, 606 is the first supporting frame group, 400 is the first Vertical Dynamic assembly, 401 is the first vertical flange apparatus, 402 is the first slide block, 403 is the first guide chain, 404 is the first vertical sliding motion track, 405 is the first radome fairing, 406 is the first fixed support, 407 is the first stiffener, 800 is RTOS system, 801 is data collection processor, 802 is numerical simulation arithmetical unit, 803 is motion controller, 804 is display.
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.
As Fig. 1, shown in Fig. 2 and Fig. 3, test unit provided by the invention comprises: deep sea vertical pipe module 1, first end prosthese module 2, the second end prosthese module 3, first vertical sliding motion module 4, second vertical sliding motion module 5, first horizontal slip module 6, second horizontal slip module 7 and real-time control system module 8, wherein: deep sea vertical pipe module 1 two ends are connected with first end prosthese module 2 and the second end prosthese module 3 respectively, first vertical sliding motion module 4 is connected with first end prosthese module 2 and the first horizontal slip module 6 respectively, second vertical sliding motion module 5 is connected with the second end prosthese module 3 and the second horizontal slip module 7 respectively, first horizontal slip module 6 and trailer 9 bottom end are fixedly connected with and are connected with the first vertical sliding motion module 4, second horizontal slip module 7 and the other end bottom trailer 9 are fixedly connected with and are connected with the second vertical sliding motion module 5, deep sea vertical pipe module 1 and the first vertical sliding motion module 4, second vertical sliding motion module 5 at right angle setting, real-time control system module 8 is arranged on trailer 9, respectively with first end prosthese module 2, the second end prosthese module 3, first horizontal slip module 6, second horizontal slip module 7, first vertical sliding motion module 4, second vertical sliding motion module 5 is connected.
As shown in Figure 2, Figure 4 shows, described deep sea vertical pipe module 1 comprises: two standpipe fixture splices 101,102 and deep sea vertical pipe model 100, wherein: deep sea vertical pipe model 100 diameter is 250 millimeters, length is 2 meters, two ends are connected with two standpipe fixture splices 101,102 respectively, and two standpipe fixture splices 101,102 are connected with first end prosthese module 3 and the second end prosthese module 4 respectively.Standpipe fixture splice 101,102, for being fixedly connected with, avoids riser model to occur when testing to loosen.
As shown in Figure 2 and Figure 5, described first end prosthese module 2 comprises: the first prosthese urceolus 200, one or three component instrument 201, one or three component instrument fixed head 202, first voussoir 203, first bearing 204, first adjustment assembly 206, first fixed head 207, first backing plate 208, first flow-stopping plate 205, wherein: the first prosthese urceolus 200 and the first flow-stopping plate 205 are fixed, and the method line traffic control of the axis of the first prosthese urceolus 200 and the first flow-stopping plate 205 is at 0 degree, one or three component instrument 201 is connected with the one or three component instrument fixed head 202 in first end prosthese module 2 with the first fixture splice 101 in deep sea vertical pipe module 1 respectively, one or three component instrument fixed head 202 one end is connected with the one or three component instrument 201, the other end and the first voussoir 203 affixed, first voussoir 203 runs through the first flow-stopping plate 205, and inside the first flow-stopping plate 205 with the first bearing 204 and the first flow-stopping plate 205 affixed, first voussoir 203 of the first flow-stopping plate 205 opposite side is connected with the first backing plate 208, first fixed head 207 by the first backing plate 208 and the first voussoir 203 affixed, first adjustment assembly 206 respectively with the first fixed head 207 and the first vertical sliding motion module 4 affixed.The second end prosthese module 3 and first end prosthese module 2 are mirror image, particularly, described the second end prosthese module 3 comprises: the second prosthese urceolus, two or three component instrument 301, two or three component instrument fixed head, second voussoir, second bearing, second adjustment assembly, second fixed head, second backing plate, second flow-stopping plate, wherein: the second prosthese urceolus and the second flow-stopping plate fix and the axis of the second prosthese urceolus and the method line traffic control of the second flow-stopping plate at 0 degree, two or three component instrument is connected with the two or three component instrument 301 fixed head in the second end prosthese module 3 with the second fixture splice 102 in deep sea vertical pipe module 1 respectively, two or three component instrument fixed head one end is connected with the two or three component instrument, the other end and the second voussoir affixed, second voussoir runs through the second flow-stopping plate, and inside the second flow-stopping plate with the second bearing and the second flow-stopping plate affixed, second voussoir of the second flow-stopping plate opposite side is connected with the second backing plate, second fixed head by the second backing plate and the second voussoir affixed, second adjustment assembly respectively with the second fixed head and the second vertical sliding motion module 5 affixed.
As Fig. 2, shown in Fig. 8 and Fig. 9, described first horizontal slip module 6 comprises: the first tooth bar 600, first horizontal power assembly 601, first horizontal flange device 602, first balladeur train 603, first balladeur train connecting plate 604, first horizontal slip track 605 and the first supporting frame group 606, wherein: the first horizontal power assembly 601 is connected with the first balladeur train 603 by the first horizontal flange device 602, its transmission shaft is connected to the first tooth bar 600 through the first balladeur train 604, first balladeur train 604 is slidably supported on the first horizontal slip track 605, and with the first vertical sliding motion module 4 Joint, first balladeur train connecting plate 604 is slidably supported on the first horizontal slip track 605, be connected with the first balladeur train 603, and fix with stiffener 407 one end of the first vertical sliding motion module 4, first supporting frame group 606 upper end and trailer 9 affixed, lower end and the first horizontal slip track 605 affixed, the first horizontal slip track 605 to be parallel at the bottom of towing basin pond and vertical with the first vertical sliding motion module 4, described second horizontal slip module 7 and the first horizontal slip module 6 one-tenth mirror image, do not repeat them here.
As Fig. 2, shown in Fig. 6 and Fig. 7, described first vertical sliding motion module 4 comprises: the first Vertical Dynamic assembly 400, first vertical flange apparatus 401, first slide block 402, first guide chain 403, first vertical sliding motion track 404, first radome fairing 405, first fixed support 406, first stiffener 407, wherein: the first Vertical Dynamic assembly 400 is connected with the first vertical sliding motion track 404 by the first vertical flange apparatus 401, its turning axle is connected to the first slide block 402 by the first guide chain 403, first slide block 402 is slidably supported on the first vertical sliding motion track 404, and adjust assembly 206 Joint with first of first end prosthese module 2, first vertical sliding motion track 404 is perpendicular to vertical with the first horizontal slip module 6 at the bottom of towing basin pond, and its opposite side is connected with the first fixed support 406, and lower end is freely unsettled, and the both sides of the first vertical sliding motion track 404 are provided with the first radome fairing 405, first stiffener 407 two ends are arranged on the first balladeur train connecting plate 604 in the first fixed support 406 and the first horizontal slip module 6 respectively, described second vertical sliding motion module 5 and the first vertical sliding motion module 4 one-tenth mirror image, do not repeat them here.
As shown in Figure 10, described real-time control system module 8 comprises: RTOS system (real-time system: Real-timeoperatingsystem) 800, data collection processor 801, numerical simulation arithmetical unit 802, motion controller 803 and display 804.Wherein: RTOS system 800 is connection data Acquisition Processor 801, numerical simulation arithmetical unit 802, motion controller 803 and display 804 successively; The input end of data collection processor 801 respectively with three component instrument 201 of described end prosthese module, 301, Vertical Dynamic assembly 400,500 scrambler of vertical sliding motion module, horizontal power assembly 601,701 scrambler of horizontal slip module be connected, its output terminal is connected with RTOS system 800; Numerical simulation arithmetical unit 802 is connected with RTOS system 800; The input end of motion controller 803 is connected with RTOS system 800, and output terminal is connected with the first horizontal power assembly 601 of the second Vertical Dynamic assembly 500, first horizontal slip module 6 of the first Vertical Dynamic assembly 400, second vertical sliding motion module 5 of described first vertical sliding motion module 4 and the second horizontal power assembly 701 of the second horizontal slip module 7; Display 804 is connected with RTOS system 800.
Principle of work:
Before on-test, in the numerical simulation arithmetical unit 802 of real-time control system module 8, set the parameter such as quality, damping, stiffness coefficient of model configuration object model performance.During test, motion controller 803 sends instruction to the second horizontal power assembly 701 of the first horizontal power assembly 601, second horizontal slip track 7 of the first horizontal slip track 6, device is moved ahead in the horizontal direction with certain speed in towing basin, obtains 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, the one or three component instrument 201 in first end prosthese module 2 and the second end prosthese module 3, stressed in equal uniform flow of deep sea vertical pipe model 100 measured by two or three component instrument 301, first Vertical Dynamic assembly 400 of the first vertical sliding motion module 4, second Vertical Dynamic assembly 500 of the second vertical sliding motion module 5, first horizontal power assembly 601 of the first horizontal rail module 6, the real-time vertical and tangential movement speed of deep sea vertical pipe model 100 measured by the scrambler of the second horizontal power assembly 701 of the second horizontal rail module 7, data collection processor 801 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 802, transfer data to display 804 simultaneously and be shown as viewdata.The power parameter that numerical simulation arithmetical unit 802 inputs according to data collection processor 801 and speed parameter, solve the equation of motion, calculate the movement velocity that deep sea vertical pipe model 100 should reach after 2 ms in the vertical direction and the horizontal direction, and output it to motion controller 803 and generate steering order.Wherein, in real-time control system module 8, the transmission of all data is all completed by RTOS system 800.After this, movement instruction is sent to four cover Power Components by motion controller 803, first, second horizontal slip module 6, 7 first, second horizontal power assembly 601, 701 drive deep sea vertical pipe module 1 to move on the first horizontal slip track 605 and the second horizontal slip track 705 along downbeam with computing velocity superposition initial velocity, first, second vertical sliding motion module 4, 5 first, second Vertical Dynamic assembly 401, 501 drive deep sea vertical pipe module 1 to be synchronized with the movement on the first vertical sliding motion track 405 and the second vertical sliding motion track along down-flowing incoming direction with computing velocity, thus the real motion of simulation standpipe.Meanwhile, the steering order that motion controller 803 sends is output on display 804 and shows.Arrive this, device realizes a working cycle.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.
The present invention adopts real-time control system 8, real-time measurement obtains model by the acting force of incoming flow, the speed of motion and acceleration, carry out numerical simulation with this and solve the equation of motion, obtain model stressed after real motion characteristic, corresponding sports is carried out by controller driving power device band movable model, the circulation of realizable force feedback, simulates the autovibration of model.The present invention adopts EtherCAT bus marco, can expand various module, as scrambler, analog quantity etc.Wherein data collection processor 801, can high frequency image data carry out the process such as Real-Time Filtering, noise reduction, computing, realizes real-time data record, ensures that works model sport is steady, approach works real motion; The numerical simulation arithmetical unit 802 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 the routing motions such as 20m Precise Orbit to control, and be conducive to improve control accuracy, whole control cycle can reach 1-2ms.And whole control program Based PC exploitation, can meet follow-up various motion control mission requirements.In addition, the present invention adopts special first end prosthese module 2 and the second end prosthese module 3 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 deep sea vertical pipe model 100 that the present invention adopts is within the scope of cross sliding clock movement velocity, and Reynolds number reaches 10
6magnitude, reduces scale effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. simulate the test unit of the two-way autovibration of uniform flow deep sea vertical pipe, it is characterized in that, force-feedback control technology is applied in traditional marine riser oscillation device by described device, by measuring the stressed of standpipe and high bandwidth feedback in real time, solve the standpipe equation of motion, thus the autovibration of simulation standpipe in true sea situation, described device is primarily of deep sea vertical pipe module, end prosthese module, vertical sliding motion module, horizontal slip module and real-time control system module composition, wherein: end prosthese module comprises first end prosthese module and the second end prosthese module, vertical sliding motion module comprises the first vertical sliding motion module and the second vertical sliding motion module, horizontal slip module comprises the first horizontal slip module and the second horizontal slip module, deep sea vertical pipe module two ends respectively with first end prosthese module and the second end prosthese model calling, first vertical sliding motion module respectively with first end prosthese module and the first horizontal slip model calling, second vertical sliding motion module respectively with the second end prosthese module and the second horizontal slip model calling, first horizontal slip module is fixed on trailer bottom end, second horizontal slip module is fixed on the other end bottom trailer, deep sea vertical pipe module and horizontal slip module at right angle setting, real-time control system module installation is on trailer, respectively with end prosthese module, vertical sliding motion module is connected with horizontal slip module,
Described 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 the fixture splice of two in deep sea vertical pipe module respectively, three component instrument fixed head one end are connected with three component instrument, the 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 vertical sliding motion module affixed, prosthese urceolus axial line overlaps with the normal of shelves stream board plane, three component instrument fixed head center lines and three component instrument center lines all overlap with prosthese urceolus axial line, three component instrument are vertical with voussoir prism to be fixed, described the second end prosthese module and first end prosthese module are mirror image,
Described horizontal slip module comprises: tooth bar, horizontal power assembly, horizontal flange device, balladeur train, balladeur train connecting plate, horizontal slip track and supporting frame group, wherein: horizontal power assembly is connected with balladeur train by horizontal flange device, its transmission shaft is connected to tooth bar through balladeur train, balladeur train is slidably supported on horizontal slip track, and with vertical sliding motion module Joint, balladeur train connecting plate is slidably supported on horizontal slip track, is connected with balladeur train, and fixes with vertical sliding motion module; Supporting frame group upper end and trailer affixed, lower end and horizontal slip track affixed, horizontal slip parallel track is with vertical sliding motion module vertical at the bottom of towing basin pond; Described second horizontal slip module becomes mirror image with the first horizontal slip module;
Described vertical sliding motion module comprises: Vertical Dynamic assembly, vertical flange apparatus, slide block, guide chain, vertical sliding motion track, radome fairing, fixed support, stiffener, wherein: Vertical Dynamic assembly is connected with vertical sliding motion track by vertical flange apparatus, its turning axle is connected to slide block by guide chain, skid is supported on vertical sliding motion track, and with the adjustment assembly Joint of end prosthese module; Vertical sliding motion race orthogonal is vertical with horizontal slip module at the bottom of towing basin pond, and its side is connected with fixed support, and lower end is freely unsettled, and the both sides of vertical sliding motion track are provided with radome fairing; Stiffener two ends are arranged on the balladeur train connecting plate in fixed support and horizontal slip module respectively; Described second vertical sliding motion module becomes mirror image with the first vertical sliding motion module;
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, numerical simulation arithmetical unit, motion controller and display successively; The input end of data collection processor is connected with the horizontal power assembly in three component instrument of described end prosthese module, horizontal slip module, Vertical Dynamic component encoder in vertical sliding motion module respectively, and its output terminal is connected with RTOS system; Numerical simulation arithmetical unit is connected with RTOS system; The input end of motion controller is connected with RTOS system, and output terminal is connected with the horizontal power assembly of described horizontal slip module, the Vertical Dynamic assembly of vertical sliding motion module respectively; Display is connected with RTOS system, described numerical simulation arithmetical unit, different structural behaviour parameters can be set, do not relate to actual physical model, thus 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.
2. the test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe as claimed in claim 1, it is characterized in that, described deep sea vertical pipe module comprises: two standpipe fixture splices and deep sea vertical pipe model, wherein: deep sea vertical pipe model two ends are connected with two standpipe fixture splices respectively, two standpipe fixture splices respectively with first end prosthese module and the second end prosthese model calling.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005389A1 (en) * | 1997-07-23 | 1999-02-04 | Cuming Corporation | A floating system for a marine riser |
| CN102313638A (en) * | 2011-08-15 | 2012-01-11 | 上海交通大学 | Bidirectional forced vibration experimental apparatus for deep sea riser segment model under action of uniform flow |
| CN102323030A (en) * | 2011-08-15 | 2012-01-18 | 上海交通大学 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
| CN102323031A (en) * | 2011-08-12 | 2012-01-18 | 上海交通大学 | Deep-sea pipeline segmented model bidirectional forced vibration experimental device under action of uniform flow |
| CN102359855A (en) * | 2011-08-15 | 2012-02-22 | 上海交通大学 | Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model |
-
2012
- 2012-11-06 CN CN201210437232.4A patent/CN102967431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005389A1 (en) * | 1997-07-23 | 1999-02-04 | Cuming Corporation | A floating system for a marine riser |
| CN102323031A (en) * | 2011-08-12 | 2012-01-18 | 上海交通大学 | Deep-sea pipeline segmented model bidirectional forced vibration experimental device under action of uniform flow |
| CN102313638A (en) * | 2011-08-15 | 2012-01-11 | 上海交通大学 | Bidirectional forced vibration experimental apparatus for deep sea riser segment model under action of uniform flow |
| CN102323030A (en) * | 2011-08-15 | 2012-01-18 | 上海交通大学 | Deep-sea riser segmented model vertical flow forced vibration experimental device under action of uniform flow |
| CN102359855A (en) * | 2011-08-15 | 2012-02-22 | 上海交通大学 | Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model |
Non-Patent Citations (1)
| Title |
|---|
| 非均匀来流下深海立管涡激振动响应研究;薛鸿祥等;《振动与冲击》;20071225;第26卷(第12期);第10-13页 * |
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