CN102359855B - Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model - Google Patents
Forced vibration experiment facility for uniform down-flowing incoming flow of deep sea pipeline sectional model Download PDFInfo
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- CN102359855B CN102359855B CN 201110232579 CN201110232579A CN102359855B CN 102359855 B CN102359855 B CN 102359855B CN 201110232579 CN201110232579 CN 201110232579 CN 201110232579 A CN201110232579 A CN 201110232579A CN 102359855 B CN102359855 B CN 102359855B
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Abstract
The invention provides a forced vibration experiment facility for uniform down-flowing incoming flow of a deep sea pipeline sectional model; the forced vibration experiment facility comprises a deep sea pipeline module, a prosthesis module, a fixing module, a sliding module, a measuring and analyzing control module and a false bottom module, wherein both ends of the deep sea pipeline module are respectively connected with the end prosthesis module; the sliding module is respectively with an end prosthesis and the fixing module; the fixing module is fixedly connected with the bottom of a trailer; the measuring and analyzing control module is arranged on the trailer and is respectively connected with the end prosthesis module and the sliding module; and the false bottom module is fixedly connected with the bottom of the trailer. According to the forced vibration experiment facility, the surface effect of a seat floor can be simulated by arranging a false bottom plate under the deep sea pipeline model; the mutual coupling of a pipe fitting and a flow field is realized; by adopting the special end prosthesis module, the boundary effect of two sides of the deep sea pipeline model is solved; and the segmented size of the pipe fitting adopted in the forced vibration experiment facility is similar to the actual pipe fitting; and the working conditions of tests can reach the range of real Reynolds numbers.
Description
Technical field
The present invention relates to oceanographic engineering field, especially a kind of pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow.
Background technology
Undersea pipe-laying on rugged sea bed, due to the acting in conjunction of the factors such as the unevenness of sea bed profile and sea bed underflow, morning and evening tides, some zone on the pipeline laying path, exposed tube forms unsettled section outside.Under the long term of environmental load, unsettled section as easy as rolling off a log fatigue failure.In various failure modes, the highest and harmfulness is maximum with the probability of occurrence of vortex-induced vibration, namely on pipeline the periodicity of whirlpool come off cause act on pipeline laterally and flow to alternation external force, cause object vibration.Transverse vibration is unanimously thought and vibrates than flowing to will beat many only have degree of freedom on flow path direction perpendicular to coming so generally limit pipe fitting, to simplify the complexity of problem by academia.
Under above-mentioned operating mode, generally in the diameter range of pipeline left and right, the surface effect/boundary effect in seabed is very large on the impact of pipe fitting vibration for the height of pipe fitting overhanging portion, can not use the experimental result of vortex-induced vibration of the standpipe of non-boundary impact.Thereby caused the shortage of this problem test figure.
On the other hand, even there have been some scholars to be familiar with the vibration problem of submarine pipeline in the method that adopts model test, but existing test model is not generally considered the coupling of pipeline and incoming flow, but adopt the pipe fitting that rigidly fixes, measure its stressing conditions under uniform incoming flow, due to not vibration of pipeline, can feedback interference not arranged stream field, simplified to a certain extent the difficulty of problem.Yet, wanting the vibration problem of more deep understanding submarine pipeline, the intercoupling or will take into account of pipe fitting and flow field regrettably, seldom has the scholar to carry out in this respect work.
Summary of the invention
The present invention is directed to above shortcomings in prior art, a kind of pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow is provided.
The present invention is achieved by the following technical solutions:
a kind of pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow, comprise the pipelines in deep sea module, first end prosthese module, the second end prosthese module, the first sliding block, the second sliding block, the first stuck-module, the second stuck-module, Measurement and analysis control module and false bed die piece, wherein: pipelines in deep sea module two ends are fixedly connected with the second end prosthese module with first end prosthese module respectively, the first sliding block respectively with first end prosthese module be connected stuck-module and be connected, the second sliding block respectively with the second end prosthese module be connected stuck-module and be connected, the end that the first stuck-module is used for bottom trailer is fixedly connected with and is connected with the first sliding block, the other end that the second stuck-module is used for bottom trailer is fixedly connected with and is connected with the second sliding block, the Measurement and analysis control module respectively with first end prosthese module, the second end prosthese module, the first sliding block and the second sliding block are connected, false bed die piece is positioned at the below of pipelines in deep sea module, be used for being fixedly connected with bottom trailer.
described first end prosthese module comprises: the first prosthese urceolus, the one or three component instrument, the one or three component instrument fixed head, the first voussoir, the first bearing, first adjusts assembly, the first fixed head, the first backing plate, the first flow-stopping plate, wherein: the first prosthese urceolus is fixedly connected with the first flow-stopping plate, the one or three component instrument respectively with the pipelines in deep sea module in the first fixture splice be connected with the one or three component instrument fixed head, the one or three component instrument fixed head one end is connected with the one or three component instrument, the other end and the first voussoir are affixed, the first voussoir runs through the first flow-stopping plate, and inboard affixed with the first flow-stopping plate at the first flow-stopping plate, the first voussoir of the first flow-stopping plate opposite side is connected with the first backing plate, the first fixed head is affixed by the first backing plate and the first voussoir, the first adjustment assembly is affixed with the first fixed head and the first sliding block respectively.
described the second end prosthese module comprises: the second prosthese urceolus, the two or three component instrument, the two or three component instrument fixed head, the second voussoir, the second bearing, second adjusts assembly, the second fixed head, the second backing plate, the second flow-stopping plate, wherein: the second prosthese urceolus is fixedly connected with the second flow-stopping plate, the two or three component instrument respectively with the pipelines in deep sea module in the second fixture splice be connected with the two or three component instrument fixed head, the 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 are affixed, the second voussoir runs through the second flow-stopping plate, and inboard affixed with the second flow-stopping plate at the second flow-stopping plate, the second voussoir of the second flow-stopping plate opposite side is connected with the second backing plate, the second fixed head is affixed by the second backing plate and the second voussoir, the second adjustment assembly is affixed with the second fixed head and the second sliding block respectively.
described the first sliding block comprises: the first Power Component, the first flange apparatus, the first slide block, the first guide chain, the first sliding rail and the first radome fairing, wherein: the first Power Component is connected with the first sliding rail by the first flange apparatus, the turning axle of the first Power Component is connected to the first slide block by the first guide chain, the first slide block is slidably supported on the first sliding rail, and with first end prosthese module in first adjust the assembly Joint, the first sliding rail perpendicular to the pond of the towing basin that is used for the simulated seawater environment at the bottom of and vertical with the first stuck-module, the upper end of the first sliding rail is fixedly connected with the first stuck-module, the lower end is freely unsettled, the both sides of the first sliding rail are equipped with radome fairing.
described the second sliding block comprises: the second Power Component, the second flange apparatus, the second slide block, the second guide chain, the second sliding rail and the second radome fairing, wherein: the second Power Component is connected with the second sliding rail by the second flange apparatus, the turning axle of the second Power Component is connected to the second slide block by the second guide chain, the second slide block is slidably supported on the second sliding rail, and with the second end prosthese module in second adjust the assembly Joint, the second sliding rail perpendicular to the pond of the towing basin that is used for the simulated seawater environment at the bottom of and vertical with the second stuck-module, the upper end of the second sliding rail is fixedly connected with the second stuck-module, the lower end is freely unsettled, the both sides of the second sliding rail are equipped with radome fairing.
Described the first stuck-module comprises: the first horizontal fixed head, the first horizontal fixed block and the first bracing frame, wherein: be slidably fitted with the first horizontal fixed block on the first horizontal fixed head, the first sliding rail in the first horizontal fixed block and the first sliding block is affixed, the first bracing frame upper end and trailer are affixed, and lower end and the first horizontal fixed head are affixed.
Described the second stuck-module comprises: the second horizontal fixed head, the second horizontal fixed block and the second bracing frame, wherein: be slidably fitted with the second horizontal fixed block on the second horizontal fixed head, the second sliding rail in the second horizontal fixed block and the second sliding block is affixed, the second bracing frame upper end and trailer are affixed, and lower end and the second horizontal fixed head are affixed.
Described Measurement and analysis control module comprises: data acquisition unit, motion controller and display, wherein: the input end of data acquisition unit and first end prosthese module are connected with two three component instrument in two end prosthese modules, and its output terminal is connected with display; Motion controller comprises motion control output port and image display port, and wherein motion control output port and the first sliding block are connected with two cover Power Components in the second sliding block, and the image display port is connected with display.
Described false bed die piece comprises: false bottom and supporting leg, wherein: false bottom is positioned at below the submarine pipeline module, and the edge of false bottom is equipped with supporting leg, is connected bottom trailer.
Described supporting leg comprises: upper support leg, lower support leg and fixed knob, wherein: the upper support leg is hollow-core construction, and the lower support leg is socketed in the upper support leg, is fixedly connected with by fixed knob between the two.
Advantage and good effect that the present invention has are:
the present invention is by arranging false bottom below the pipelines in deep sea model, successful simulation the surface effect in the seabed of pipeline when closing on the seabed, simultaneously, the present invention forces the motion of pipe fitting generating period on the down-flowing incoming direction by two Power Components, realized intercoupling of pipe fitting and flow field, the present invention adopts special end prosthese module, first end prosthese module wherein and the second end prosthese module are separately fixed on the first slide block and the second slide block, separate with the pipelines in deep sea model, pipelines in deep sea model two ends are directly solid on the first slide block and the second slide block by two or three component instrument, so the data that two or three component instrument measures are power actual suffered on the pipelines in deep sea model, and first end prosthese module and the second end prosthese module have played the effect of making the simulation flow field, but two or three component instrument is not directly exerted an influence, solved the problem that boundary effect appears in pipeline model both sides, mesopelagic (200Mi Dao1000Mi Shuishende) of testing, size and the actual pipe fitting of the pipe fitting segmentation that the present invention adopts are similar, and so in normal trailer movement velocity scope, operating condition of test can reach real reynolds number range, has effectively avoided scale effect.
Description of drawings
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 provides of the embodiment of the present invention.
Fig. 3 is the vertical view of the experimental provision that provides of the embodiment of the present invention.
Fig. 4 is the structural representation of the pipelines in deep sea module that provides of the embodiment of the present invention.
Fig. 5 is the structural representation of the end prosthese module that provides of the embodiment of the present invention.
Fig. 6 is the structural representation of the sliding block that provides of the embodiment of the present invention.
Fig. 7 is the side view of the sliding block that provides of the embodiment of the present invention.
Fig. 8 is the structural representation of the stuck-module that provides of the embodiment of the present invention.
Fig. 9 is the vertical view of the stuck-module that provides of the embodiment of the present invention.
Figure 10 is the structural representation of the Measurement and analysis control module that provides of the embodiment of the present invention.
Figure 11 is the structural representation of the false bed die piece that provides of the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
as Fig. 1, Fig. 2 and shown in Figure 3, this device comprises: pipelines in deep sea module 1, first end prosthese module 2, the second end prosthese module 3, the first sliding block 4, the second sliding block 5, the first stuck-module 6, the second stuck-module 7, Measurement and analysis control module 8 and false bed die piece 11, wherein: are connected with the second end prosthese module with first end prosthese module 2 respectively and are connected in pipelines in deep sea module 1 two ends, the first sliding block 4 respectively with first end prosthese module 2 be connected stuck-module 6 and be connected, the second sliding block 5 respectively with the second end prosthese module 3 be connected stuck-module 7 and be connected, the first stuck-module 6 is fixedly connected with and is connected with the first sliding block 4 with an end of trailer 9 bottoms, the second stuck-module 7 is fixedly connected with and is connected with the second sliding block 5 with the other end of trailer 9 bottoms, Measurement and analysis control module 8 is arranged on trailer 9, respectively with first end prosthese module 2, the second end prosthese module 3, the first stuck-module 6, the second stuck-module 7 is connected, and false bed die piece 11 is positioned at the below of pipelines in deep sea module, is fixedly connected with trailer 9 bottoms.
As Fig. 2 and shown in Figure 4, pipelines in deep sea module 1 comprises: the first pipeline fixture splice 102, second pipe fixture splice 103 and pipelines in deep sea model 101, wherein: are connected with the second pipe fixture splice with the first pipeline fixture splice 102 respectively and are connected in pipelines in deep sea model 101 two ends, the first pipeline fixture splice 102 is fixedly connected with first end prosthese module 2, and second pipe fixture splice 103 is fixedly connected with the second end prosthese module 3.For being fixedly connected with, avoid pipeline model to occur when experiment loosening between two pipeline fixture splices and two end prosthese modules.
as Fig. 2 and shown in Figure 5, first end prosthese module 2 comprises: the first prosthese urceolus 201, the one or three component instrument 202, the one or three component instrument fixed head 203, the first voussoir 204, the first bearing 205, first adjusts assembly 206, the first fixed head 207, the first backing plate 208, the first flow-stopping plate 209, wherein: the first prosthese urceolus 201 and the first flow-stopping plate 209 are fixing, the one or three component instrument 202 respectively with pipelines in deep sea module 1 in the first fixture splice 102 be connected with the one or three component instrument fixed head 203, the one or three component instrument fixed head 203 1 ends are connected with the one or three component instrument 202, the other end and the first voussoir 204 are affixed, the first voussoir 204 runs through the first flow-stopping plate 209, and inboard affixed with the first bearing 205 and the first flow-stopping plate 209 at the first flow-stopping plate 209, the first voussoir 204 of the first flow-stopping plate 209 opposite sides is connected with the first backing plate 208, the first fixed head 207 is affixed by the first backing plate 208 and the first voussoir 204, the first adjustment assembly 206 is affixed with the first fixed head 207 and the first sliding block 4 respectively.
2 one-tenth mirror image of the second end prosthese 3 and first end prosthese module, be specially, the second end prosthese module 3 comprises the second prosthese urceolus, the two or three component instrument, the two or three component instrument fixed head, the second voussoir, the second bearing, second adjusts assembly, the second fixed head, the second backing plate, the second flow-stopping plate, wherein: the second prosthese urceolus is fixedly connected with the second flow-stopping plate, the two or three component instrument respectively with the pipelines in deep sea module in the second fixture splice be connected with the two or three component instrument fixed head, the 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 are affixed, the second voussoir runs through the second flow-stopping plate, and inboard affixed with the second flow-stopping plate at the second flow-stopping plate, the second voussoir of the second flow-stopping plate opposite side is connected with the second backing plate, the second fixed head is affixed by the second backing plate and the second voussoir, the second adjustment assembly is affixed with the second fixed head and the second sliding block respectively.
as Fig. 2, Fig. 6 and shown in Figure 7, the first sliding block 4 comprises: the first Power Component 401, the first flange apparatus 402, the first slide block 403, the first guide chain 404, the first sliding rail 405 and the first radome fairing 406, wherein: the first Power Component 401 is connected with the first sliding rail 405 by the first flange apparatus 402, its turning axle is connected to the first slide block 403 by the first guide chain 404, the first slide block 403 is slidably supported on the first sliding rail 405, and with first end prosthese module 2 in first adjust assembly 206 Joints, the first sliding rail 405 is perpendicular at the bottom of towing basin 10 ponds and vertical with the first stuck-module 6, its upper end is fixedly connected with the first stuck-module 6, the lower end is freely unsettled, the both sides of the first sliding rail 405 are equipped with radome fairing 406.
4 one-tenth mirror image of the second sliding block 5 and the first sliding block, be specially, the second sliding block 5 comprises: the second Power Component, the second flange apparatus, the second slide block, the second guide chain, the second sliding rail and the second radome fairing, wherein: the second Power Component is connected with the second sliding rail by the second flange apparatus, the turning axle of the second Power Component is connected to the second slide block by the second guide chain, the second slide block is slidably supported on the second sliding rail, and with the second end prosthese module in second adjust the assembly Joint, the second sliding rail perpendicular to the pond of the towing basin that is used for the simulated seawater environment at the bottom of and vertical with the second stuck-module, the upper end of the second sliding rail is fixedly connected with the second stuck-module, the lower end is freely unsettled, the both sides of the second sliding rail are equipped with radome fairing.
As Fig. 2, Fig. 8 and shown in Figure 9, the first stuck-module 6 comprises: the first horizontal fixed head 601, the first horizontal fixed block 602 and the first bracing frame 603; Wherein: the first sliding rail 405 that is slidably fitted with on the first horizontal fixed head 601 in the first horizontal fixed block 602 of horizontal fixed block 602, the first and the first sliding block 4 is affixed; The first bracing frame 603 upper ends and trailer 9 are affixed, and lower end and the first horizontal fixed head 601 are affixed.
6 one-tenth mirror image of the second stuck-module 7 and the first stuck-module, be specially, the second stuck-module 7 comprises: the second horizontal fixed head, the second horizontal fixed block and the second bracing frame, wherein: be slidably fitted with the second horizontal fixed block on the second horizontal fixed head, the second sliding rail in the second horizontal fixed block and the second sliding block is affixed, the second bracing frame upper end and trailer are affixed, and lower end and the second horizontal fixed head are affixed.
As shown in figure 10, Measurement and analysis control module 8 comprises: data acquisition unit 801, motion controller 802 and display 803, wherein: the input end of data acquisition unit 801 and first end prosthese module 2 are connected with two three component instrument in the second end prosthese module 3, and its output terminal is connected with display 803; Motion controller 802 comprises motion control output port and image display port, and wherein motion control output port and the first sliding block 4 are connected with two cover Power Components in the second sliding block 5, and the image display port is connected with display 803.
As shown in figure 11, false bed die piece 11 is comprised of false bottom 1101 and supporting leg 1102, and false bottom 1101 is positioned at pipelines in deep sea module 1 below, and supporting leg 1102 is installed on the corner of false bottom, and supporting leg 1102 is connected with trailer 9 bottoms.
Supporting leg 1101 is comprised of upper support leg 1103, lower support leg 1104 and fixed knob 1105: upper support leg 1103 is hollow-core construction, and lower support leg 1102 is socketed in upper support leg 1103, is fixedly connected with by fixed knob 1105 between the two.
Principle of work:
During test, send movement instruction by the motion controller 802 in Measurement and analysis control module 8 to Power Component and the trailer 9 of the first sliding block 4 and the second sliding block 5: trailer 9 moves ahead with certain speed along continuous straight runs in towing basin 10, the acquisition relative velocity advances in hydrostatic, with the situation that simulation pipelines in deep sea model 101 is statically placed in uniform incoming flow, the Reynolds number Rational choice of trailer 9 speed under should sea situation actual in the dimensional fits of pipelines in deep sea model 101; And two Power Components drive pipelines in deep sea modules 1 are done double vibrations with amplitude and the frequency set on the sliding rail of the first sliding block 2 and the second sliding block 3 along the down-flowing incoming direction, with the situation of simulation local segmentation forced vibration; Different according to experiment condition, can change supporting leg 1102 length by fixed knob 1105, regulate distance between pipelines in deep sea module 1 and false bed die piece 11, obtain best experimental result.In process of the test, three component instrument in first end prosthese module 2 and the second end prosthese module 3 are measured the stressed size of pipelines in deep sea model 101 in experimentation, and numerical value is transferred to data acquisition unit 801 in Measurement and analysis control module 8, data acquisition unit 801 and then transfer data to display 803 and be shown as viewdata.Another effect of display 803 is exactly the steering order that shows that motion controller 802 sends.
the present invention is by arranging false bottom 1101 below pipelines in deep sea model 101, successful simulation the surface effect in the seabed of pipeline when closing on the seabed, simultaneously, the present invention forces the motion of pipe fitting generating period by the Power Component of the first sliding block 4 and the second sliding block 5 on the down-flowing incoming direction, realized intercoupling of pipe fitting and flow field, the present invention adopts special end prosthetic appliance, first end prosthese module 2 wherein and the second end prosthese module 3 are separately fixed on the slide block of the first sliding block 4 and the second sliding block 5, separate with the pipelines in deep sea model, pipelines in deep sea model two ends directly are fixed on the slide block of the first sliding block 4 and the second sliding block 5 by three component instrument, so the data that three component instrument measure are power actual suffered on the pipelines in deep sea model, and first end prosthese module 2 and the second end prosthese module 3 have played the effect of making the simulation flow field, but two or three component instrument is not directly exerted an influence, solved the problem that boundary effect appears in pipeline model both sides, mesopelagic (200Mi Dao1000Mi Shuishende) of testing, size and the actual pipe fitting of the pipe fitting segmentation that the present invention adopts are similar, and in normal trailer 9 movement velocity scopes, operating condition of test can reach real reynolds number range, has effectively avoided scale effect.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the pipelines in deep sea segmented model vertical forced vibration experimental provision of a uniform flow, it is characterized in that, comprise the pipelines in deep sea module, first end prosthese module, the second end prosthese module, the first sliding block, the second sliding block, the first stuck-module, the second stuck-module, Measurement and analysis control module and false bed die piece, wherein: pipelines in deep sea module two ends are fixedly connected with the second end prosthese module with first end prosthese module respectively, the first sliding block respectively with first end prosthese module be connected stuck-module and be connected, the second sliding block respectively with the second end prosthese module be connected stuck-module and be connected, the end that the first stuck-module is used for bottom trailer is fixedly connected with and is connected with the first sliding block, the other end that the second stuck-module is used for bottom trailer is fixedly connected with and is connected with the second sliding block, the Measurement and analysis control module respectively with first end prosthese module, the second end prosthese module, the first sliding block and the second sliding block are connected, false bed die piece is positioned at the below of pipelines in deep sea module, be used for being fixedly connected with bottom trailer,
described first end prosthese module comprises: the first prosthese urceolus, the one or three component instrument, the one or three component instrument fixed head, the first voussoir, the first bearing, first adjusts assembly, the first fixed head, the first backing plate, the first flow-stopping plate, wherein: the first prosthese urceolus is fixedly connected with the first flow-stopping plate, the one or three component instrument respectively with the pipelines in deep sea module in the first fixture splice be connected with the one or three component instrument fixed head, the one or three component instrument fixed head one end is connected with the one or three component instrument, the other end and the first voussoir are affixed, the first voussoir runs through the first flow-stopping plate, and inboard affixed with the first flow-stopping plate at the first flow-stopping plate, the first voussoir of the first flow-stopping plate opposite side is connected with the first backing plate, the first fixed head is affixed by the first backing plate and the first voussoir, the first adjustment assembly is affixed with the first fixed head and the first sliding block respectively,
described the second end prosthese module comprises: the second prosthese urceolus, the two or three component instrument, the two or three component instrument fixed head, the second voussoir, the second bearing, second adjusts assembly, the second fixed head, the second backing plate, the second flow-stopping plate, wherein: the second prosthese urceolus is fixedly connected with the second flow-stopping plate, the two or three component instrument respectively with the pipelines in deep sea module in the second fixture splice be connected with the two or three component instrument fixed head, the 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 are affixed, the second voussoir runs through the second flow-stopping plate, and inboard affixed with the second flow-stopping plate at the second flow-stopping plate, the second voussoir of the second flow-stopping plate opposite side is connected with the second backing plate, the second fixed head is affixed by the second backing plate and the second voussoir, the second adjustment assembly is affixed with the second fixed head and the second sliding block respectively.
2. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 1, it is characterized in that, described pipelines in deep sea module comprises: the first pipeline fixture splice, second pipe fixture splice and pipelines in deep sea model, wherein: pipelines in deep sea model two ends are connected with the second pipe fixture splice with the first pipeline fixture splice respectively, the first pipeline fixture splice is fixedly connected with first end prosthese module, and the second pipe fixture splice is fixedly connected with the second end prosthese module.
3. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 1, it is characterized in that, described the first sliding block comprises: the first Power Component, the first flange apparatus, the first slide block, the first guide chain, the first sliding rail and the first radome fairing, wherein: the first Power Component is connected with the first sliding rail by the first flange apparatus, the turning axle of the first Power Component is connected to the first slide block by the first guide chain, the first slide block is slidably supported on the first sliding rail, and with first end prosthese module in first adjust the assembly Joint, the first sliding rail is vertical with the first stuck-module, the upper end of the first sliding rail is fixedly connected with the first stuck-module, the lower end is freely unsettled, the both sides of the first sliding rail are equipped with radome fairing,
described the second sliding block comprises: the second Power Component, the second flange apparatus, the second slide block, the second guide chain, the second sliding rail and the second radome fairing, wherein: the second Power Component is connected with the second sliding rail by the second flange apparatus, the turning axle of the second Power Component is connected to the second slide block by the second guide chain, the second slide block is slidably supported on the second sliding rail, and with the second end prosthese module in second adjust the assembly Joint, the second sliding rail is vertical with the second stuck-module, the upper end of the second sliding rail is fixedly connected with the second stuck-module, the lower end is freely unsettled, the both sides of the second sliding rail are equipped with radome fairing.
4. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 1, it is characterized in that, described the first stuck-module comprises: the first horizontal fixed head, the first horizontal fixed block and the first bracing frame, wherein: be slidably fitted with the first horizontal fixed block on the first horizontal fixed head, the first sliding rail in the first horizontal fixed block and the first sliding block is affixed, the first bracing frame upper end is used for the trailer bottom affixed, and lower end and the first horizontal fixed head are affixed;
Described the second stuck-module comprises: the second horizontal fixed head, the second horizontal fixed block and the second bracing frame, wherein: be slidably fitted with the second horizontal fixed block on the second horizontal fixed head, the second sliding rail in the second horizontal fixed block and the second sliding block is affixed, the second bracing frame upper end is used for the trailer bottom affixed, and lower end and the second horizontal fixed head are affixed.
5. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 1, it is characterized in that, described Measurement and analysis control module comprises: data acquisition unit, motion controller and display, wherein: the input end of data acquisition unit and first end prosthese module are connected with two three component instrument in the second end prosthese module, and its output terminal is connected with display; Motion controller comprises motion control output port and image display port, and wherein motion control output port and the first sliding block are connected with two cover Power Components in the second sliding block, and the image display port is connected with display.
6. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 1, it is characterized in that, described false bed die piece comprises: false bottom and supporting leg, wherein: false bottom is positioned at below the submarine pipeline module, the edge of false bottom is equipped with supporting leg, is used for being connected bottom trailer.
7. the pipelines in deep sea segmented model vertical forced vibration experimental provision of uniform flow according to claim 6, it is characterized in that, described supporting leg comprises: upper support leg, lower support leg and fixed knob, wherein: the upper support leg is hollow-core construction, the lower support leg is socketed in the upper support leg, is fixedly connected with by fixed knob between upper support leg and lower support leg.
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| CN102967431B (en) * | 2012-11-06 | 2016-04-13 | 上海交通大学 | The test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe |
| CN102980732B (en) * | 2012-11-06 | 2016-04-13 | 上海交通大学 | The test unit of the horizontal autovibration of simulation uniform flow deep sea vertical pipe |
| CN104406754B (en) * | 2014-11-25 | 2017-05-10 | 上海交通大学 | Dynamic response testing device for deep sea long and thin vertical tube under bidirectional forced oscillation state |
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