CN207730418U - Potential of Seabed Under Wave Loading dynamic response experimental facilities - Google Patents
Potential of Seabed Under Wave Loading dynamic response experimental facilities Download PDFInfo
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- CN207730418U CN207730418U CN201820134153.9U CN201820134153U CN207730418U CN 207730418 U CN207730418 U CN 207730418U CN 201820134153 U CN201820134153 U CN 201820134153U CN 207730418 U CN207730418 U CN 207730418U
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- cylinder
- dynamic response
- linear motor
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Abstract
The utility model provides a kind of Potential of Seabed Under Wave Loading dynamic response experimental facilities, it includes transparent and closed cylinder and servo load application system, the underfill of cylinder has the soil layer of simulation sea bed, it is filled with water layer on the top surface of soil layer, pressure sensor is provided on the barrel wall corresponding to soil layer and water layer；Servo load application system includes servo electric jar, is provided with piston in servo electric jar, and piston is driven reciprocating by linear motor, and servo electric jar is connected to by pressure tube with the water layer in cylinder；Linear motor and pressure sensor are electrically connected with computer control system respectively.The utility model additionally provides a kind of experimental method simulated wave under 0~100m depth conditions and cause Seabed dynamic response, applies high hydrostatic pressure and Wave pulsation pressure to the soil layer in experimental facilities by servo load application system.
Description
Technical field
The utility model is related to marine soil mechanics analogue technique fields, more particularly to Potential of Seabed Under Wave Loading in civil engineering
Dynamic response experimental facilities.
Background technology
With the fast development of China's economy, marine resources are gradually taken seriously, and more and more marine structures are in sea
Bank, which is built, to be come.Inshore engineering structure is almost built in sea bed, quite a few is built in chiltern or muddy sea bed
In.Under the wave action, sea bed surface will be acted on by cyclical fluidic pressure, and soil deformation and pore water pressure will be also presented
Go out cyclically-varying.Under certain condition, sea bed is likely to occur dynamic buckling, to cause the safe thing of works generation thereon
Therefore.Therefore the dynamic response for inquiring into the Potential of Seabed Under Wave Loading soil body is of great significance.
The existing method for inquiring into Potential of Seabed Under Wave Loading dynamic response at present mainly has theory analysis, numerical simulation and experiment
Research.Above-mentioned three kinds of methods cut both ways, and are essential methods.About test method, mainly there is flume test at present
And basin test.However, due to the limitation of laboratory condition, the depth of water in sink and pond cannot be too big, almost in 5m hereinafter, and
The practical ocean depth of water may be at tens meters or more, and thus there is some difference with prototype for model, it is necessary to be pushed away by the theory of similarity
Wide model test conclusion.And since certain condition of similarity cannot be fully met, some live phenomenons laboratory without
Method is simulated.
Utility model content
For the above problem in the prior art, the utility model provides one kind and can simulate under 0~100m depth conditions
Wave causes the simulation experiment device of Seabed dynamic response.
In order to reach above-mentioned purpose of utility model, the utility model provides a kind of Potential of Seabed Under Wave Loading dynamic response experiment
Equipment comprising transparent and closed cylinder and servo load application system, the underfill of cylinder have the soil layer of simulation sea bed,
It is filled with water layer on the top surface of soil layer, pressure sensor is provided on the barrel wall of water layer bottom end；Servo load application system packet
Servo electric jar is included, piston is provided in servo electric jar, piston drives reciprocating, servo electric jar by linear motor
It is connected to the water layer in cylinder by pressure tube；Linear motor and pressure sensor are electrically connected with computer control system respectively.
Further, computer control system includes industrial personal computer, and fortune has been sequentially connected electrically between industrial personal computer and linear motor
Movement controller and linear motor driver are fixedly connected with grating scale on piston, and grating scale is electrically connected with linear motor driver.
Further, cylinder is fixed in removable carts, and the bottom of removable carts is provided with castor and lifting support.
When this equipment is static, pass through lifting support and caster support；When needing to move this equipment, lifting support is packed up, it will by castor
Force of sliding friction between this equipment and ground becomes force of rolling friction, to reach labour-saving purpose.
Further, tap water inlets and exhaust outlet are provided at the top of cylinder, bottom is provided with pump mouth and discharge outlet, takes out
Filter screen is installed in the mouth of a river and discharge outlet.Tap water inlets are to water filling in cylinder, from exhaust outlet by former cylinder while water filling
Internal gas discharge closes exhaust outlet after the completion of water filling；Filter screen can prevent from silt from entering pipeline resulting in blockage.
Further, it is connected with suction pump on pump mouth, control is both provided in tap water inlets, exhaust outlet and discharge outlet
The valve of opening and closing.Since cylinder volume is big, built-in water is more, and suction pump can allow the water in cylinder to be quickly discharged, and saves real
It tests the time, improves conventional efficient.
The beneficial effects of the utility model are：This experimental facilities directly drives the work in servo electric jar by linear motor
Plug moves in a straight line, and the displacement of linear motor is equal to the displacement of piston, and the control accuracy of linear motor is high, passes through movement
Controller can accurately control the thrust and displacement of linear motor, so as to accurately control thrust and the displacement of piston
Amount.The movement of piston leads to the variation of servo-electric in-cylinder pressure, to make in the cylinder water layer being connect with servo electric jar
Variation in water pressure, being precisely controlled the thrust of piston and displacement can make to generate the pressure generated such as practical wave in water layer, to soil
Layer surface applies static pressure and period dynamic pressure, to reach sea bed caused by wave under precisely simulation 0~100m depth conditions
Dynamic response.
Description of the drawings
Fig. 1 is the schematic diagram of Potential of Seabed Under Wave Loading dynamic response experimental facilities.
Fig. 2 is servo load application system functional block diagram.
Wherein, 1, cylinder；11, soil layer；12, water layer；13, pressure sensor；14, tap water inlets；15, exhaust outlet；
16, pump mouth；161, suction pump；17, discharge outlet；18, filter screen；2, servo load application system；21, servo electric jar；
211, piston；22, linear motor；23, computer control system；231, industrial personal computer；232, motion controller；233, linear motor
Driver；234, grating scale；3, pressure tube；4, removable carts；41, castor；42, lifting support.
Specific implementation mode
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific implementation mode, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all are created using the utility model of the utility model design in the row of protection.
As shown in Figure 1 and Figure 2, Potential of Seabed Under Wave Loading dynamic response experimental facilities comprising transparent and closed cylinder
1 and servo load application system 2.Cylinder 1 is installed by lamination above and below 10 cylinder soil boxs, is in intermediate cylinder soil box
Hollow and both ends open cirque structure is provided at both ends with the connection of steel flange disk, the cylinder soil of the bottom and top
It closes the other end and steel flange disk is set in slot one end.A seal groove is designed above and below each ring flange, for installing sealing
Circle realizes the sealing to water body.Cylinder soil box uses transparent PVC material, is convenient for experimental observation.It is contained in each cylinder soil box
The different soil bodys, as soil layer 11.1~3 cylinder soil box of top can be used for containing water layer 12.
The pressure sensor 13 of the middle water body wave pressure of acquisition water layer 12, tool are provided on the barrel wall of 12 bottom end of water layer
Body can open up a mounting hole on barrel wall, and pressure sensor 13 is installed on mounting hole in such a way that sealing coordinates
On.
The top layer of cylinder 1 is provided with tap water inlets 14 and exhaust outlet 15.Tap water inlets 14 connect with running water pipe
It is logical, and it is provided with valve, when needing that water can be poured into cylinder 1, open valve.Due to 1 sealed cylinder of cylinder, so filling
Exhaust outlet 15 must be arranged at top when water to be discharged for air, after pouring water, close the valve in discharge outlet 15.
The bottom of cylinder 1 is provided with pump mouth 16 and discharge outlet 17.It is connected with drain valve in discharge outlet 17, opens draining
Water layer 12 in cylinder 1 can be introduced sewer by valve by water pipe.Suction pump 161 is connected with by hose on pump mouth 16, it can
Rapidly the water in cylinder 1 is discharged.The silt in soil layer 11 enters in drain valve and suction pump 161 in order to prevent, is drawing water
Filter screen 18 is installed in mouth 16 and discharge outlet 17.
In an experiment, 10 layers of cylinder soil box of cylinder 1 are filled with into silt and water and after installation is complete, whole weight is usual
Heavier, so cylinder 1 is fixed in removable carts 4, the bottom of removable carts 4 is provided with castor 41 and lifting support
42.When cylinder 1 is static, support can be fixed by castor 41 and lifting support 42；When needing mobile cylinder 1, lifting branch is packed up
Seat 42, is moved by castor 41.There is the handle that promotion is buttressed for people on mobile handcart 4, meanwhile, in mobile handcart 4
Middle part is equipped with mounting hole corresponding with 1 appearance and size of cylinder, and position is reserved with fixed cylinder 1 and the discharge mouth of a river 17 and pump mouth 16
It sets.
Servo load application system 2 includes servo electric jar 21, and servo electric jar 21 is watched using the stainless steel of load 25KG
Cylinder is taken, piston 211 is arranged inside, linear motor 22 is connect with piston 211, and the displacement of linear motor 22 is equal to piston 211
Displacement.Linear motor is preferably LMG20 series non iron-core small linear motors, and the linear motor of this type is best suited for pole
High dynamic performance and the small application of moving-mass can ensure that optimum speed stability since it completely eliminates force oscillation.
Servo electric jar 21 is connected to by pressure tube 3 with the water layer 12 in cylinder 1, by pressure tube 3 by servo electric jar
Pressure change in 21 is transferred in water layer 12, and controlling the pressure change in servo electric jar 21 can make to generate rule in water layer 12
The then wave pressure of wave and various irregular waves, to apply hydrostatic pressure and period dynamic pressure to the surface of soil layer 11.It calculates
Machine control system 23 includes industrial personal computer 231, and motion controller 232 has been sequentially connected electrically between industrial personal computer 231 and linear motor 22
With linear motor driver 233, grating scale 234 is fixedly connected on piston 211, grating scale 234 is electrically connected with motion controller 232
It connects.
Grating scale 234 uses LIC400 series open type grating scales, and faster, precision is 3 microns to speed, is connect when running
Mouth is ENDAT2.2, and the displacement signal for measuring piston 211 is simultaneously fed back to motion controller 232.Motion controller 232
It is preferred that model UltimET Light motion control cards, linear motor driver 233 is preferably AccurET drivers.
Claims (5)
1. a kind of Potential of Seabed Under Wave Loading dynamic response experimental facilities, which is characterized in that including transparent and closed cylinder (1) and
Servo load application system (2), the underfill of the cylinder (1) have the soil layer (11) of simulation sea bed, the soil layer (11)
It is filled with water layer (12) on top surface, pressure sensor (13) is provided on the barrel wall of water layer (12) bottom end；The servo
Load application system (2) includes servo electric jar (21), and piston (211), the work are provided in the servo electric jar (21)
Plug (211) is reciprocating by linear motor (22) driving, and the servo electric jar (21) passes through pressure tube (3) and the cylinder
Water layer connection in body (1)；The linear motor (22) and pressure sensor (13) are electric with computer control system (23) respectively
Connection.
2. Potential of Seabed Under Wave Loading dynamic response experimental facilities according to claim 1, which is characterized in that the computer
Control system (23) includes industrial personal computer (231), has been sequentially connected electrically between the industrial personal computer (231) and the linear motor (22)
Motion controller (232) and linear motor driver (233) are fixedly connected with grating scale (234), institute on the piston (211)
Grating scale (234) is stated to be electrically connected with linear motor driver (233).
3. Potential of Seabed Under Wave Loading dynamic response experimental facilities according to claim 2, which is characterized in that the cylinder
(1) it is fixed in removable carts (4), the bottom of the removable carts (4) is provided with castor (41) and lifting support (42).
4. Potential of Seabed Under Wave Loading dynamic response experimental facilities according to claim 3, which is characterized in that the cylinder
(1) top is provided with tap water inlets (14) and exhaust outlet (15), and bottom is provided with pump mouth (16) and discharge outlet (17), described
Filter screen (18) is installed in pump mouth (16) and discharge outlet (17).
5. Potential of Seabed Under Wave Loading dynamic response experimental facilities according to claim 4, which is characterized in that the pump mouth
(16) it is connected with suction pump (161) on, control is both provided in the tap water inlets (14), exhaust outlet (15) and discharge outlet (17)
Make the valve of opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820134153.9U CN207730418U (en) | 2018-01-25 | 2018-01-25 | Potential of Seabed Under Wave Loading dynamic response experimental facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820134153.9U CN207730418U (en) | 2018-01-25 | 2018-01-25 | Potential of Seabed Under Wave Loading dynamic response experimental facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730418U true CN207730418U (en) | 2018-08-14 |
Family
ID=63081764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820134153.9U Expired - Fee Related CN207730418U (en) | 2018-01-25 | 2018-01-25 | Potential of Seabed Under Wave Loading dynamic response experimental facilities |
Country Status (1)
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| CN (1) | CN207730418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088651A (en) * | 2018-01-25 | 2018-05-29 | 西南交通大学 | Potential of Seabed Under Wave Loading dynamic response experimental facilities and analogue experiment method |
| CN116818267A (en) * | 2023-06-07 | 2023-09-29 | 中国科学院力学研究所 | Water tank test system for simulating full coupling effect of wind wave current and offshore wind turbine |
-
2018
- 2018-01-25 CN CN201820134153.9U patent/CN207730418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088651A (en) * | 2018-01-25 | 2018-05-29 | 西南交通大学 | Potential of Seabed Under Wave Loading dynamic response experimental facilities and analogue experiment method |
| CN108088651B (en) * | 2018-01-25 | 2024-02-06 | 西南交通大学 | Seabed dynamic response experimental equipment under wave action and simulation experimental method |
| CN116818267A (en) * | 2023-06-07 | 2023-09-29 | 中国科学院力学研究所 | Water tank test system for simulating full coupling effect of wind wave current and offshore wind turbine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20220125 |