CN106441768B - Etting forced oscillation experimental rig - Google Patents
Etting forced oscillation experimental rig Download PDFInfo
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- CN106441768B CN106441768B CN201610778331.7A CN201610778331A CN106441768B CN 106441768 B CN106441768 B CN 106441768B CN 201610778331 A CN201610778331 A CN 201610778331A CN 106441768 B CN106441768 B CN 106441768B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Abstract
The invention belongs to field of ocean engineering, provide a kind of deep-sea etting forced oscillation experimental rig that consideration flow rate attenuation influences, including fishing net framework module and forced oscillation module, fishing net framework module is by the first link block and the second link block slidable connection in the first vertical sliding motion module and the second vertical sliding motion module, fishing net framework module is vertical with the first vertical sliding motion module and the second vertical sliding motion module, first vertical sliding motion module and the second vertical sliding motion module are respectively connected to the bottom of a trailer, forced oscillating apparatus is mounted on trailer and connect with fishing net framework module, the vibration of forced oscillation module drive fishing net framework module.The present invention is by forcing etting model to carry out pure oscillation or Random Oscillation come the movement of water particle under analog rule wave and irregular wave operating condition.Using the forced oscillation experimental rig of the fishing ground etting model of uniform flow, front and back etting is forced to carry out vibrating the flow rate attenuation situation that can be simulated under big KC number wave operating condition simultaneously.
Description
Technical field
The invention belongs to field of ocean engineering, and in particular, to a kind of deep-sea etting for considering flow rate attenuation and influencing
Forced oscillation experimental rig.
Background technique
In hydrodynamics, Keulegan-Carpenter number (KC number) is a dimensionless number, for describe one
Object in oscillating flow field, the relationship between suffered resistance relative inertness power can also can be used in an object in static stream
The situation vibrated in body.The small influence specific resistance for indicating inertia force of KC number is big, the big influence for indicating (turbulent flow) resistance of KC number compared with
Greatly.
In the stress research to Deep sea net cage, wave energy power limit, the experimental study of fishing ground etting are made due to wave maker
Still it is confined under low KC number operating condition, elongated flexible works this for cage netting, this not can reflect the true of etting
Real hydrodynamic characterisitic.
In addition, preceding etting will lead to obviously flow rate attenuation phenomenon in Deep sea net cage structure, thus to rear etting
Dynamic response influence it is very big；If not considering that flow rate attenuation influences, design is too conservative, can make from largely increasing
This is caused, and small KC number is still currently confined to the research of flow rate attenuation.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of deep-seas that consideration flow rate attenuation influences
Etting forced oscillation experimental rig, it is intended to solve existing experimental rig and be confined to overall model, scale effect is larger, simulates lower
KC number sea situation does not carry out BORDER PROCESSING to fishing net frame, and is confined to the simulation of fair current single-degree of freedom vibration, cannot be relatively true
Simulation practical sea situation the problem of.
According to an aspect of the present invention, a kind of etting forced oscillation experimental rig is provided, characterized in that including fishing net frame
First side of module and forced oscillation module, the fishing net framework module connects the first link block, the fishing net framework mould
Second side of block connects the second link block, and the fishing net framework module passes through first link block and the second link block
In the first vertical sliding motion module and the second vertical sliding motion module, the first vertical sliding motion module slidably connects slidable connection
It connects on first level sliding block, the second vertical module slidable connection is on the second horizontal sliding block, the fishing
Screen frame module is vertical with the first vertical sliding motion module and the second vertical sliding motion module, the first vertical sliding motion module and
Second vertical sliding motion module is respectively connected to the bottom of a trailer, the forced oscillating apparatus be mounted on the trailer and with
The fishing net framework module connects, the vibration of fishing net framework module described in the forced oscillation module drive.
Preferably, the etting forced oscillation experimental rig further includes data collection processor, the fishing net framework module
The upper and lower side of the first side be two first level support rods, the upper and lower side of second side of the fishing net framework module is two the
The first support girder is arranged in two horizontal support bars on described two first level support rods, in the described two second horizontal branch
The second support of setting girder on strut, is arranged in the front end of described two first level support rods and two the second horizontal support bars
Postposition fishing net is arranged in the rear end of described two first level support rods and two the second horizontal support bars in preposition fishing net, described
The junction of preposition fishing net and described two first level support rods and two the second horizontal support bars is arranged four the one or three point
The vibration data of the fishing net framework module is sent to the data collection processor by power instrument, described four the one or three point of instrument,
The data collection processor is handled and is exported to the vibration data.
Preferably, framework prosthese is set between described two first level support rods and two the second horizontal support bars,
The framework prosthese is parallel with the preposition fishing net and postposition fishing net, the framework prosthese and described two first level support rods
Four the two or three component instrument are set with the junction of two the second horizontal support bars, described four the two or three point of instrument are by the fishing net
The vibration data of framework module is sent to the data collection processor.
Preferably, the first support girder and the second support girder are four, arranged in a crossed manner described two respectively
Between first level support rod and two the second horizontal support bars.
Preferably, first link block includes sliding block panel, the sliding block panel and first vertical sliding mould
Block slidable connection, the sliding block panel include the first sliding block panel and the second sliding block panel to link together, described
It is upwardly formed the first oblique strut on one sliding block panel, first level strut panel, institute are set on the described first oblique strut
First level strut panel and the first sliding block panel parallel are stated, it is rectangular that first is arranged on the first level strut panel
Clip, the first rectangular clip fix the upper boom of the first level support rod and the first level strut panel,
It is formed down the second oblique strut on the second sliding block panel, the second horizontal brace pole face is set on the described second oblique strut
Plate, the second triatic stay panel and the second sliding block panel parallel are arranged the on the second triatic stay panel
Two rectangular clips, the second rectangular clip consolidate the upper boom of the first level support rod and the second triatic stay panel
It is fixed.
Preferably, second link block is for connecting the fishing net framework module and first vertical sliding mould
Block, the structure of second link block with the structure of the first link block it is identical, second link block and institute first
Link block is in mirror settings, and second link block is slidably arranged in the second vertical sliding motion module.
Preferably, the first level sliding block includes the first Power Component, the first sliding rail, the first guide chain, the
One sliding block and the first support frame being fixed on first sliding rail, first Power Component are filled by first flange
It sets and fixes with first sliding rail and connect with first guide chain, the first sliding block setting is in the first sliding rail
It being connect on road and with first guide chain, first sliding block is fixedly connected with the first vertical sliding motion module, and described first
The upper end of support frame is fixedly connected with the trailer, first sliding rail be parallel to fishing net towing basin bottom of pond and with it is described
First vertical sliding motion module is vertical.
Preferably, the structure of the described second horizontal sliding block is identical as the structure of the first level sliding block, institute
The second horizontal sliding block and institute's first level sliding block are stated in mirror settings, the second horizontal sliding block and described the
The connection of two vertical sliding motion modules.
Preferably, the first vertical sliding motion module includes third Power Component, third sliding rail, third guide chain,
Three sliding blocks, the third Power Component are connected by third flange apparatus with the third sliding rail, the third power packages
Part is connected to the third sliding block by the third guide chain, and the third sliding block is slidably supported on the third sliding rail
On, the third sliding block is connect with the first level strut panel of first link block, and the third sliding rail is vertical
In fishing net towing basin bottom of pond and vertical with the first level sliding block, the upper end of the third sliding rail and described the
One horizontal sliding block connection, the lower end of the third sliding rail is freely hanging, the two sides installation of the third sliding rail
Third radome fairing.
Preferably, the structure of the second vertical sliding motion module is identical as the structure of the first vertical sliding motion module, institute
The second vertical sliding motion module and the first vertical sliding motion module of institute are stated in mirror settings, the second vertical sliding motion module and described the
Two link blocks are connected with the second vertical sliding motion module.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention is incited somebody to action by successively installing preposition fishing net, frame prostheses and postposition fishing net in fishing net framework module
Preposition fishing net dimensioned area is designed as being greater than postposition fishing net and frame prostheses size, by be located at four ends of postposition fishing net the
One or three component instrument can measure postposition fishing net by preposition fishing net to the stress condition after the interference of incoming flow, by being located at frame
Two or the three component instrument of four ends of prosthese can measure preposition fishing net to the stress condition after free stream disturbance, when the stress of the two
When situation is subtracted each other, it is believed that measured preposition fishing net go out frame part fishing net stress condition.It is designed using the present invention
A set of forced oscillating apparatus and triatic stay and vertical guide rail sliding block between the firm joint device installed, can be effectively whole by fishing net
Body frame is fixed together with vertical guide rail sliding block, allows fishing net with forced-vibration experimentation device in horizontal and vertical two sides
The forced vibration for carrying out various amplitude different frequency upwards, by force etting model carry out pure oscillation or Random Oscillation come
Analog rule wave and irregular wave operating condition can simulate the flow rate attenuation situation under big KC number wave operating condition by the method, more
True simulation fishing ground actual condition.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the schematic perspective view at a visual angle of etting forced oscillation experimental rig of the present invention；
Fig. 2 is the schematic perspective view at another visual angle of etting forced oscillation experimental rig of the present invention；
Fig. 3 is the structural schematic diagram of fishing net frame module of the invention；
Fig. 4 is the structural schematic diagram of the first link block of the invention；
Fig. 5 is the structural schematic diagram of vertical sliding motion module of the invention；
Fig. 6 is the side view of vertical sliding motion module of the invention；
Fig. 7 is the structural schematic diagram of horizontal sliding block of the invention；
Fig. 8 is the top view of horizontal sliding block of the invention；
In figure: 1 is fishing net framework module, and 101 be postposition fishing net, and 102 be the one or three component instrument, and 103 be the two or three component
Instrument, 104 be framework prosthese, and 105 be first level support rod, and 106 be the second horizontal support bar, and 107 be the first support girder,
108 be preposition fishing net, and 109 be the second support girder, and 2 be the first link block, and 201 be first level strut panel, and 202 be the
One rectangular clip, 203 be the first oblique strut, and 204 be the first sliding block panel, and 205 be the second sliding block panel, and 206 is oblique for second
It is the second rectangular clip to strut, 207,208 be the second triatic stay panel, and 3 be the second link block, and 4 is vertical sliding for first
Dynamic model block, 401 be third Power Component, and 402 be third flange apparatus, and 403 be third sliding block, and 404 be third guide chain, and 405 are
Third sliding rail, 406 be third radome fairing, and 5 be the second vertical sliding motion module, and 6 be first level sliding block, and 601 be the
One Power Component, 602 be first flange device, and 603 be the first sliding block, and 604 be the first guide chain, and 605 be the first sliding rail,
606 be the first support frame, and 7 be the second horizontal sliding block.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Referring to Fig. 1 and Fig. 2, etting forced oscillation experimental rig includes fishing net framework module 1, the first link block 2, second
The horizontal sliding of link block 3, the first vertical sliding motion module 4, the second vertical sliding motion module 5, first level sliding block 6, second
Module 7.1 both ends of fishing net framework module connect 2 pieces of mould and the connection of the second link block 3, the first vertical sliding mould with first respectively
Block 4 is connect with the first link block 2 and first level sliding block 6 respectively, and the second vertical sliding motion module 5 is connect with second respectively
Module 3 and the second horizontal sliding block 7 connect, first level sliding block 6 and the first vertical sliding motion module 4 connect and for
Trailer one end bottom is fixedly connected, and the second horizontal sliding block 7 and the second vertical sliding motion module 5 connect and for another with trailer
End bottom is fixedly connected, wherein fishing net framework module 1 extends vertically direction and second with the first vertical sliding motion module 4 respectively
Vertical sliding motion module 5 to extend vertically direction perpendicular.
Referring to figure 1, figure 2 and figure 3, fishing net framework module 1 includes postposition fishing net 101, the one or three component instrument the 102, the 2nd 3
Component instrument 103, framework prosthese 104, first level support rod 105, the second horizontal support bar 106, first support girder 107, the
Two support girders 109, preposition fishing net 108, four the one or three component instrument 102 are separately fixed at the four of the screen frame of postposition fishing net 101
A angle, four the two or three component instrument 103 are separately fixed on four angles of framework prosthese 104, postposition fishing net 101, framework prosthese
104 and the upper and lower ends of preposition fishing net 108 pass through two first level support rods 105 and two the second horizontal support bars respectively
106 are sequentially connected fixation, and four first support girders 107 of installation are intersected between upper and lower two first level support rods 105,
Intersect four second support girders 109 of installation between upper and lower two the second horizontal support bars 106.
Referring to Fig. 1, Fig. 2 and Fig. 4, first link block 2 includes the first oblique strut 203, the first sliding block panel
204, first level strut panel 201, the first rectangular clip 202, the second oblique strut 206, the second sliding block panel 205, second
Triatic stay panel 208, the second rectangular clip 207, the first 203 two sections of oblique strut respectively with the first sliding block panel 204 and
First level strut panel 201 connects, and the first sliding block panel 204 is connect with vertical track sliding block, first level strut panel 201
It is fixedly connected by two the first rectangular clips 202 with first level strut 105 above；Second 206 two sections points of oblique strut
It is not connect with the second sliding block panel 205 and the second triatic stay panel 208, the second sliding block panel 205 and vertical track sliding block
Connection, the second triatic stay panel 208 pass through two the second rectangular clips 207 and the fixed company of following first level strut 105
It connects.Second link block 3 and 2 mirror of the first link block are to setting comprising the oblique strut of third, third sliding block panel,
Third triatic stay panel, third square clip, the 4th oblique strut, Four-slider panel, the 4th triatic stay panel, the 4th
Rectangular clip, two sections of the oblique strut of third are connect with third sliding block panel and third triatic stay panel respectively, third sliding block
Panel is connect with vertical track sliding block, and third triatic stay panel is fixed by two third square clips with third triatic stay
Connection；4th two sections of oblique strut is connect with Four-slider panel and the 4th triatic stay panel respectively, Four-slider panel
It is connect with vertical track sliding block, the 4th triatic stay panel connects by the way that two square clips and the 4th triatic stay are fixed
It connects.
Referring to fig. 2, Fig. 8, the first level sliding block 6 include the first Power Component 601, first flange device 602,
First sliding block 603, the first guide chain 604, the first sliding rail 605 and the first support frame 606, in which: the first Power Component 601 is logical
It crosses first flange device 602 to be connected with the first sliding rail 605, rotary shaft is connected to the first sliding block by the first guide chain 604
603, the first sliding block 603 is slidably supported on the first sliding rail 605, and with 4 Joint of the first vertical sliding motion module, first
606 upper end of support and trailer are affixed, and lower end and the first sliding rail 605 are affixed, and the first sliding rail 605 is parallel to towing basin
Bottom of pond is simultaneously vertical with the first vertical sliding motion module 4；The second horizontal sliding block 7 is mirrored into first level sliding block 6
Symmetrical structure, the second horizontal sliding block 7 are led including the second Power Component, second flange device, the second sliding block, second
Chain, the second sliding rail and the second support frame, in which: the second Power Component passes through second flange device and the second sliding rail phase
Even, rotary shaft is connected to the second sliding block by the second guide chain, and the second sliding block is slidably supported on the second sliding rail, and with the
Two vertical sliding motion modules, 5 Joint, the second support frame upper end and trailer are affixed, and lower end and the second sliding rail are affixed, and second is sliding
Dynamic rail road is parallel to towing basin bottom of pond and vertical with the second vertical sliding motion module 5.
Referring to fig. 2, Fig. 6 and Fig. 7, the first vertical sliding motion module 4 include third Power Component 401, third flange dress
Set 402, third sliding block 403, third guide chain 404, third sliding rail 405 and third radome fairing 406, third Power Component 401
It is connected by third flange apparatus 402 with third sliding rail 405, rotary shaft is connected to third by third guide chain 404 and slides
Block 403, third sliding block 403 are slidably supported on third sliding rail 405, and are supportted with the first level in the first link block 2
207 Joint of face plate 201 and the second triatic stay panel, third sliding rail 405 is perpendicular to towing basin bottom of pond and with
One horizontal sliding block 6 is vertical, and the upper end is fixedly connected with first level sliding block 6, and lower end is freely hanging；Third slides rail
The two sides in road 405 are equipped with third radome fairing 406.The second vertical sliding motion module 5 is mirrored into the first vertical sliding motion module 4
Symmetrical structure comprising the 4th Power Component, the 4th flange apparatus, Four-slider, the 4th guide chain, the 4th sliding rail and the 4th
Radome fairing, in which: the 4th Power Component is connected by the 4th flange apparatus with the 4th sliding rail, and rotary shaft is led by the 4th
Chain link to Four-slider, Four-slider is slidably supported on the 4th sliding rail, and with the horizontal brace in the second link block 3
Face plate Joint, the 4th sliding rail perpendicular to towing basin bottom of pond and vertical with the second horizontal sliding block 7, the upper end with
Second horizontal sliding block 7 is fixedly connected, and lower end is freely hanging；The two sides of 4th sliding rail are equipped with the 4th radome fairing.
Device is mounted on trailer by the present invention in experiment work, drags the stress under simulation uniform incoming flow by trailer
Situation；Carry out forced-vibration experimentation can also be driven by motor.During test, the one or three component instrument 102 measures preposition fishing net
The local pressure of frame 101, the whole stress of 103 gage frame prosthese 104 of the two or three component instrument, and by data transfer to measurement
Data collection processor in analysis module, data collection processor transfer data to display in turn and are shown as visual number
According to.
The present invention in fishing net framework module by successively installing postposition fishing net 101, frame prostheses 104 and preposition fishing net
108, and keep postposition fishing net 101 identical as 104 size of frame prostheses and in same level height in design, by preposition fishing
108 dimensioned area of net is designed as being greater than postposition fishing net 101 and 104 size of frame prostheses, by being located at 101 4, postposition fishing net ends
One or the three component instrument 102 in portion can measure postposition fishing net 101 by preposition fishing net 108 to the stress feelings after the interference of incoming flow
Condition, the two or the three component instrument 103 by being located at 104 4 ends of frame prostheses can measure postposition fishing net 101 to free stream disturbance
Stress condition afterwards, when the stress condition of the two is subtracted each other, it is believed that measured postposition fishing net 101 and gone out the fishing of frame part
The stress condition of net.
Fishing net general frame and vertical guide rail sliding block can effectively be fixed together by the present invention, allow fishing net with fishing
Various amplitude is carried out in the horizontal and vertical directions of field fishing net frame segmented model double freedom forced-vibration experimentation device
The forced vibration of different frequency, to force, etting model carries out pure oscillation or Random Oscillation carrys out analog rule wave and do not advise
Then wave operating condition can simulate the flow rate attenuation situation under big KC number wave operating condition by the method.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (9)
1. a kind of deep-sea etting forced oscillation experimental rig for considering flow rate attenuation and influencing, which is characterized in that including fishing net framework
First side of module and forced oscillation module, the fishing net framework module connects the first link block, the fishing net framework module
Second side connect the second link block, the fishing net framework module can by first link block and the second link block
It is slidably connected in the first vertical sliding motion module and the second vertical sliding motion module, the first vertical sliding motion module slidable connection
On first level sliding block, the second vertical module slidable connection is on the second horizontal sliding block, the fishing net
Framework module is vertical with the first vertical sliding motion module and the second vertical sliding motion module, the first vertical sliding motion module and
Two vertical sliding motion modules are respectively connected to the bottom of a trailer, the forced oscillating apparatus be mounted on the trailer and with institute
The connection of fishing net framework module is stated, fishing net framework module vibration described in the forced oscillation module drive；
The etting forced oscillation experimental rig further includes data collection processor, the first side of the fishing net framework module it is upper
Lower end is two first level support rods, and the upper and lower side of second side of the fishing net framework module is two second horizontally-supported
The first support girder is arranged on described two first level support rods, is arranged on described two second horizontal support bars for bar
Preposition fishing net is arranged in the front end of described two first level support rods and two the second horizontal support bars in second support girder,
In the rear end of described two first level support rods and two the second horizontal support bars, postposition fishing net is set, the preposition fishing net with
Four the one or three component instrument of the junction of described two first level support rods and two the second horizontal support bars setting, described four
The vibration data of the fishing net framework module is sent to the data collection processor, the data acquisition by a one or three point of instrument
Processor is handled and is exported to the vibration data.
2. etting forced oscillation experimental rig according to claim 1, which is characterized in that in described two first level branch
Framework prosthese, the framework prosthese and the preposition fishing net and postposition fishing net are set between strut and two the second horizontal support bars
In parallel, the junction of the framework prosthese and described two first level support rods and two the second horizontal support bars is arranged four
The vibration data of the fishing net framework module is sent to the data and acquired by the two or three component instrument, described four the two or three point of instrument
Processor.
3. etting forced oscillation experimental rig according to claim 1, which is characterized in that the first support girder and the
Two support girders are four, respectively it is arranged in a crossed manner described two first level support rods and two the second horizontal support bars it
Between.
4. etting forced oscillation experimental rig according to claim 1, which is characterized in that first link block includes
Sliding block panel, the sliding block panel and the first vertical sliding motion module slidable connection, the sliding block panel include being connected to
The first sliding block panel and the second sliding block panel together, are upwardly formed the first oblique strut on the first sliding block panel,
First level strut panel, the first level strut panel and the first sliding block panel are set on the first oblique strut
In parallel, the first rectangular clip is set on the first level strut panel, and the first rectangular clip is by the first level
The upper boom of support rod is fixed with the first level strut panel, and the second oblique support is formed down on the second sliding block panel
Bar, is arranged the second triatic stay panel on the described second oblique strut, and the second triatic stay panel and described second are slided
Block panel parallel, is arranged the second rectangular clip on the second triatic stay panel, and the second rectangular clip is by described the
The upper boom of one horizontal support bar is fixed with the second triatic stay panel.
5. etting forced oscillation experimental rig according to claim 4, which is characterized in that second link block is used for
The fishing net framework module and the first vertical sliding motion module are connected, the structure of second link block is connect with institute first
The structure of module is identical, and second link block and the first link block of institute are in mirror settings, and second link block can
It is slidably arranged in the second vertical sliding motion module.
6. etting forced oscillation experimental rig according to claim 1, which is characterized in that the first level sliding block
Including the first Power Component, the first sliding rail, the first guide chain, the first sliding block and it is fixed on first sliding rail
First support frame, first Power Component are fixed by first flange device and first sliding rail and with described first
Guide chain connection, first sliding block are arranged on first sliding rail and connect with first guide chain, and described first is sliding
Block is fixedly connected with the first vertical sliding motion module, and the upper end of first support frame is fixedly connected with the trailer, described
First sliding rail is parallel to fishing net towing basin bottom of pond and vertical with the first vertical sliding motion module.
7. etting forced oscillation experimental rig according to claim 6, which is characterized in that the second horizontal sliding block
Structure it is identical as the structure of the first level sliding block, the second horizontal sliding block and institute's first level sliding die
Block is in mirror settings, and the second horizontal sliding block is connect with the second vertical sliding motion module.
8. etting forced oscillation experimental rig according to claim 4, which is characterized in that the first vertical sliding motion module
Including third Power Component, third sliding rail, third guide chain, third sliding block, the third Power Component passes through third flange
Device is connected with the third sliding rail, and the third Power Component is connected to the third by the third guide chain and slides
Block, the third sliding block are slidably supported on the third sliding rail, the third sliding block and first link block
The connection of first level strut panel, the third sliding rail are perpendicular to fishing net towing basin bottom of pond and sliding with the first level
Dynamic model block is vertical, and the upper end of the third sliding rail is connect with the first level sliding block, the third sliding rail
Lower end it is freely hanging, third radome fairing is installed in the two sides of the third sliding rail.
9. etting forced oscillation experimental rig according to claim 8, which is characterized in that the second vertical sliding motion module
Structure it is identical as the structure of the first vertical sliding motion module, the second vertical sliding motion module and the first vertical sliding mould
Block is in that mirror settings, the second vertical sliding motion module and second link block and the second vertical sliding motion module connect
It connects.
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| CN201610778331.7A CN106441768B (en) | 2016-08-30 | 2016-08-30 | Etting forced oscillation experimental rig |
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| CN201610778331.7A CN106441768B (en) | 2016-08-30 | 2016-08-30 | Etting forced oscillation experimental rig |
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| CN106441768A CN106441768A (en) | 2017-02-22 |
| CN106441768B true CN106441768B (en) | 2019-02-22 |
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| CN111466202B (en) * | 2020-04-16 | 2021-09-03 | 马鞍山市良田农业科技有限公司 | Crayfish and lotus root symbiosis classification harvesting device and method |
| CN114894437B (en) * | 2022-06-07 | 2023-03-17 | 上海交通大学 | Test device for researching coupling hydrodynamic characteristics of stand column-netting structure |
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|---|---|---|---|---|
| CN102359856A (en) * | 2011-08-12 | 2012-02-22 | 上海交通大学 | Bidirectional forced vibration experimental apparatus of segmented model of FISHFARM float bowl under uniform flow |
| CN102359854A (en) * | 2011-08-12 | 2012-02-22 | 上海交通大学 | Horizontal forced vibration experimental device for sectional models of FISHFRAM float bowls flowing down uniformly |
| CN105848476A (en) * | 2013-12-23 | 2016-08-10 | 海洋养殖公司 | A semisubmersible, cylindrical net cage, closable bulkheads for a net cage and a bottom for the net cage that can be elevated |
| CN203912942U (en) * | 2014-05-22 | 2014-11-05 | 古国维 | The anti-flexible HDPE net cage of floating type tension leg Structure Quasi that swings plate of free suspending weight band |
| KR20160094669A (en) * | 2015-02-02 | 2016-08-10 | 제주특별자치도(제주특별자치도해양수산연구원장) | Undersea Structure for sea cucumber |
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| CN106441768A (en) | 2017-02-22 |
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