CN114593890A - Wave generating device with rocking plate - Google Patents
Wave generating device with rocking plate Download PDFInfo
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- CN114593890A CN114593890A CN202210049442.XA CN202210049442A CN114593890A CN 114593890 A CN114593890 A CN 114593890A CN 202210049442 A CN202210049442 A CN 202210049442A CN 114593890 A CN114593890 A CN 114593890A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000033001 locomotion Effects 0.000 claims description 52
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000008602 contraction Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention discloses a wave generating device of a rocking plate, and relates to the field of geotechnical centrifugal simulation test devices. The traditional onboard hydraulic wave-making device of the centrifuge can only be used for solving the problems that a specific perforated model box and a mechanism are stuck and cannot work normally and leak liquid when the mechanism runs at a high speed under a hypergravity field, and the rust prevention problem of a power structure is prominent. The invention solves the problems by adopting the technical means that the actuator and the transmission mechanism adopt a horizontal structure design, the wave making function and the wave absorbing function are respectively integrated on the installation plate by adopting a modular design, the mechanism is installed on the upper part of the model, and the like. The device has the advantages of stable and reliable mechanism and small deformation, improves the transmission efficiency and the service life of the device, and can realize high water depth, high frequency and large amplitude wave generation under a supergravity field.
Description
Technical Field
The application relates to geotechnical centrifugal simulation test device field, especially relates to a wave device is made to rocking plate.
Background
The wave load is an environmental load which needs to be considered in ocean engineering structures and coastal engineering, and has the characteristic of long cycle duration. The wave-making experimental device under the super-gravity field has the capability of truly reducing ocean waves, a seabed foundation stress field and seabed structures due to the strict similarity relation between the model and the prototype, has the characteristics of small volume, high reliability and the like, and is an important tool for simulating the wave-seabed foundation-ocean engineering structures.
The existing hydraulic wave-making device under the super-gravity field can be divided into two modes of making waves by a push plate and making waves by a rocking plate according to the difference of the movement modes of the wave-making plate. The push plate wave generator developed by Zhejiang university drives the wave generating plate to reciprocate along the linear direction through the hydraulic actuator arranged on the side wall of the model box to push the water body of the model box to generate waves; a hydraulic actuator is also arranged on the side wall of a model box, a piston rod of the actuator is hinged with a wave making plate, and a sliding block on the wave making plate is driven to make the wave making plate do reciprocating swing around a swinging shaft to generate required waves.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
1) the wave making plate is easy to be blocked when moving at high speed, the high-speed movement of the push plate wave making mode under a supergravity field can generate the phenomenon of blocking the wave making plate, and the wave making of the rocking plate utilizes the sliding block on the wave making plate to enable the wave making plate to swing at high speed and also can generate the blocking condition. 2) The pneumatic cylinder hangs in the mold box lateral wall, and the cylinder body easily produces the heavy deformation of handing over under the hypergravity condition, leads to pneumatic cylinder resistance grow, takes place the dead circumstances of unable work of card. Due to the fact that liquid pressure is extremely high in the hypergravity field, liquid leakage can occur at the joint of the model box and the actuator due to deformation. 3) The whole wave-making module is arranged on the side wall of the model box, a specific opening model box is required to be used, the common model box cannot be replaced according to the test requirement, and the universality is not strong. 4) The whole wave-making structure is below the liquid level, and the rust prevention problem is prominent.
Disclosure of Invention
The purpose of the embodiment of the application is to provide a wave generating device of a rocking plate, which aims to solve the technical problems that a specific perforated mold box is required to be used, the mechanism can be easily blocked and the mold box is easy to leak under the condition of high-speed operation in the related technology.
According to a first aspect of embodiments of the present application, there is provided a rocking plate wave generating device including:
the top of the model box is provided with a top plate, and the middle of the model box is provided with a groove for placing a seabed model foundation;
the power structure, the transmission structure and the wave generating structure are sequentially in transmission connection, and the power structure and the transmission structure are arranged on the upper side of the top plate; and
the wave absorbing structure is arranged on the lower side of the top plate, and the wave absorbing structure and the wave generating structure are respectively positioned on two opposite sides in the model box.
Further, power structure includes controller, displacement sensor, servo valve and actuator, displacement sensor is used for measuring the displacement of actuator, the controller is used for the basis the displacement is through controlling the flexible of servo valve control actuator, the output of actuator with transmission structure's input transmission is connected.
Further, the actuator comprises a cylinder body and a piston rod, the piston of the piston rod is arranged in the cylinder body, and the rod of the piston rod is in transmission connection with the input end of the transmission structure.
Furthermore, the transmission structure comprises at least one first linear guide rail and a transmission connecting rod, the first linear guide rail is provided with first sliding blocks in a sliding mode, and the output end of the power structure and the transmission connecting rod are hinged to the first sliding blocks respectively.
Furthermore, the transmission structure further comprises a slider transmission shaft and a connecting rod swinging shaft, two ends of the slider transmission shaft are respectively hinged with the output end of the power structure and the first slider, and two ends of the connecting rod swinging shaft are respectively hinged with the first slider and one end of the transmission connecting rod.
Further, the wave making structure comprises a wave making plate, one end of the wave making plate is hinged with the output end of the transmission structure, and the other end of the wave making plate is hinged in the model box.
Furthermore, the wave absorbing structure comprises a first linear motion mechanism and a first wave absorbing plate, the first linear motion mechanism is fixed on the lower side of the top plate, a plurality of grid holes are formed in the first wave absorbing plate, one end of the first wave absorbing plate is arranged at the output end of the first linear motion mechanism, and the first linear motion mechanism controls the first wave absorbing plate to move in the wave traveling direction.
Further, the first linear motion mechanism comprises a first servo motor, a first ball screw, a second linear guide rail and a second slider, the first wave absorption plate is fixedly connected with the second slider and a nut of the first ball screw respectively, the second slider is arranged on the second linear guide rail, and the first servo motor controls the first wave absorption plate to move in the wave advancing direction by controlling the first ball screw.
The wave absorbing structure further comprises a second linear motion mechanism and a second wave absorbing plate, wherein a plurality of grid holes are formed in the second wave absorbing plate, the second linear motion mechanism is fixed on the first wave absorbing plate, one end of the second wave absorbing plate is arranged at the output end of the second linear motion mechanism, and the second linear motion mechanism controls the second wave absorbing plate to move in the direction perpendicular to the wave advancing direction.
Further, the second linear motion mechanism comprises a second servo motor, a second ball screw, a third linear guide rail and a third slide block, the second wave absorbing plate is fixedly connected with the third slide block and a nut of the second ball screw respectively, the third slide block is arranged on the third linear guide rail, and the second servo motor controls the second wave absorbing plate to move in the direction perpendicular to the wave advancing direction by controlling the second ball screw.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
according to the embodiment, the power structure and the transmission structure are integrally arranged on the upper side of the top plate of the model box, so that the waterproof problem is solved, and the size of the wave making machine is reduced; the actuator and the transmission mechanism adopt a horizontal design, the structure is uniformly stressed and has small deformation under a supergravity field, the transmission efficiency of the equipment is improved, and the service life of the equipment is prolonged; the wave is generated by adopting a rocking plate mode, the power structure is stable and reliable, and the problem of locking of the mechanism under rapid movement is solved; through carrying out the modularized design with making ripples module and inhaling ripples module, make the device can be applicable to not unidimensional mold box, easy to assemble dismantlement and maintenance in the use.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.
FIG. 1 is a top, bottom, isometric view of a rocker paddle wave generator according to an exemplary embodiment.
FIG. 2 is a cross-sectional view of a rocker paddle wave generator shown in accordance with an exemplary embodiment.
FIG. 3 is a side view of a rocker paddle wave generator shown in accordance with an exemplary embodiment.
FIG. 4 is a top view of a rocker paddle wave generator shown according to an exemplary embodiment.
The reference numerals in the figures include:
100. a model box; 110. a top plate; 120. a groove; 200. a power structure; 210. a controller; 220. a displacement sensor; 230. a servo valve; 240. an actuator; 241. a cylinder body; 242. a piston rod; 300. a transmission structure; 310. a first linear guide rail; 320. a first slider; 330. a transmission connecting rod; 340. a sliding block connecting block; 350. a slider transmission shaft; 360. a connecting rod oscillating shaft; 400. a wave-making structure; 410. wave making plate; 420. a transmission shaft is arranged on the wave making plate; 430. a wave making plate lower transmission shaft; 500. a wave absorbing structure; 510. a first linear motion mechanism; 511. a first servo motor; 512. a first ball screw; 513. a second linear guide; 514. a second slider; 520. a first absorber plate; 530. a second linear motion mechanism; 531. a second servo motor; 532. a second ball screw; 533. a third linear guide rail; 534. a third slider; 540. and a second wave absorbing plate.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
FIG. 1 is a top, bottom, isometric view of a rocker paddle wave generating device according to an exemplary embodiment, as shown in FIG. 1, which may include: the sea bed model comprises a model box 100, a power structure 200, a transmission structure 300, a wave generating structure 400 and a wave absorbing structure 500 which are sequentially connected in a transmission manner, wherein the top of the model box 100 is provided with a top plate 110, and the middle of the model box 100 is provided with a groove 120 for placing a sea bed model foundation; the power structure 200 and the transmission structure 300 are arranged on the upper side of the top plate 110; the wave absorbing structure 500 is disposed at the lower side of the top plate 110, and the wave absorbing structure 500 and the wave generating structure 400 are respectively located at two opposite sides in the mold box 100.
As can be seen from the above embodiments, the present application solves the waterproof problem and reduces the size of the wave generator by integrally mounting the power structure 200 and the transmission structure 300 on the upper side of the top plate 110 of the mold box 100; the actuator 240 and the transmission mechanism adopt a horizontal design, the structure is uniformly stressed and has small deformation under a supergravity field, the transmission efficiency of the equipment is improved, and the service life of the equipment is prolonged; the wave is generated by adopting a rocking plate mode, the power structure 200 is stable and reliable, and the problem of locking of the mechanism under rapid movement is solved; through carrying out the modularized design with making ripples module and inhaling ripples module, make the device can be applicable to not unidimensional model case 100, easy to assemble dismantlement and maintenance in the use.
Specifically, the power structure 200 comprises a controller 210, a displacement sensor 220, a servo valve 230 and an actuator 240, wherein the displacement sensor 220 is used for measuring the displacement of the actuator 240, the controller 210 is used for controlling the expansion and contraction of the actuator 240 by controlling the servo valve 230 according to the displacement, and the output end of the actuator 240 is in transmission connection with the input end of the transmission structure 300.
Specifically, the controller 210 sends a control signal, the servo valve 230 receives the control signal and then controls the pressure and the flow of the oil pipe to drive the actuating rod of the actuator 240 to move in an extending and contracting manner, the displacement sensor 220 monitors the movement of the actuating rod and feeds the movement back to the control program, and the control program adjusts and adjusts the control signal of the controller 210 according to the movement of the actuating rod. The hydraulic power system is adopted to improve the output power of the system, so that the device can realize high-frequency large-amplitude wave generation; the control process forms closed-loop control, and improves the control precision of the movement of the actuator 240.
In specific implementation, the servo valve 230 may be in a motor driving mode and a hydraulic driving mode, and the hydraulic driving mode is adopted in this embodiment, so that the problems that the motor driving mode is insufficient in power and cannot generate waves at high frequency and large amplitude can be solved. Since the movement of the actuator 240 is a high-speed large-stroke movement, the control performance of the servo valve 230 is extremely high, and the high-performance three-stage electro-hydraulic servo valve 230 is preferable.
Specifically, the actuator 240 includes a cylinder 241 and a piston rod 242, the piston of the piston rod 242 is disposed in the cylinder 241, and the rod of the piston rod 242 is drivingly connected to the input end of the driving structure 300.
Specifically, the servo valve 230 changes the oil pressure and flow rate in the cylinder 241, so that the piston rod 242 moves in the cylinder 241, and the piston rod 242 drives the slider transmission shaft 350 in the transmission structure 300. The piston rod 242 and the transmission structure 300 are designed to be in a straight line structure, so that the stress mode of the mechanism is improved, and the transmission efficiency is improved.
Specifically, the transmission structure 300 includes at least one first linear guide 310 and a transmission link 330, the first linear guide 310 is provided with a first sliding block 320 in a sliding manner, and the output end of the power structure 200 and the transmission link 330 are respectively hinged to the first sliding block 320.
Specifically, the first slider 320 moves linearly on the linear guide rail, the first slider 320 pushes the transmission link 330 to move linearly, and the mechanisms are all designed in a linear form, so that the stress mode of the mechanism is improved, and the transmission efficiency is improved.
Specifically, all the first sliding blocks 320 are fixedly connected through a sliding block connecting block 340, and the output end of the power structure 200 and the transmission connecting rod 330 are respectively hinged on the sliding block connecting block 340.
Specifically, the slider connecting block 340 drives the guide rail slider to move linearly on the linear guide rail, and the slider connecting block 340 drives the transmission link 330 to move linearly. The link block 340 is fixed on the first slider 320 to adjust the height of the hinge point, so that the piston rod 242, the hinge point and the transmission link 330 are at the same level, improving the stress mode and reducing the internal force of the mechanism.
Specifically, the servo valve 230 controls the actuator 240 to drive the slider connecting block 340 so as to drive the transmission connecting rod 330, so that the problem that the wave making plate 410 can only move with a specific amplitude in a disc-driven crank driving mode is solved.
Specifically, the transmission structure 300 further includes a slider transmission shaft 350 and a connecting rod swinging shaft 360, two ends of the slider transmission shaft 350 are respectively hinged to the output end of the power structure 200 and the first slider 320, and two ends of the connecting rod swinging shaft 360 are respectively hinged to the first slider 320 and one end of the transmission connecting rod 330.
In one embodiment, two ends of the slider transmission shaft 350 are respectively hinged to the rod of the piston rod 242 and the slider connecting block 340, and two ends of the slider transmission shaft 350 are respectively hinged to one ends of the slider connecting block 340 and the transmission connecting rod 330.
Specifically, the slider transmission shaft 350 drives the slider connecting block 340 to move, the slider connecting block 340 drives the first slider 320 to move linearly on the linear guide rail, the slider connecting block 340 drives the connecting rod swinging shaft 360 to move linearly, and the connecting rod swinging shaft 360 drives the transmission connecting rod 330 to swing. The use of the link swing shaft 360 allows the drive link 330 to swing freely in the plane of the piston rod 242, reducing the internal forces of the device.
In specific implementation, the piston rod 242 drives the slider connecting block 340 to move through the slider transmission shaft 350, the slider connecting block 340 drives the guide rail slider to move on the linear guide rail, and the slider connecting block 340 drives the transmission connecting rod 330 to move through the slider swinging shaft
Specifically, the piston rod 242 moves telescopically to drive the slider transmission shaft 350, the slider transmission shaft 350 drives the slider connection block 340 to move, the slider connection block 340 drives the first slider 320 to move linearly on the linear guide rail, the slider connection block 340 drives the link swinging shaft 360 to move linearly, and the link swinging shaft 360 drives the transmission link 330 to swing.
Specifically, the wave generating structure 400 comprises a wave generating plate 410, one end of the wave generating plate 410 is hinged with the output end of the transmission structure 300, and the other end of the wave generating plate 410 is hinged in the mold box 100.
Specifically, the transmission structure 300 drives the wave making plate 410 to swing at the upper part, and the lower part of the wave making plate 410 is hinged inside the model box 100, so that the lower part of the wave making plate 410 can only rotate around the hinged point. Due to the design, the wave making plate 410 swings around the hinge point at the lower part of the wave making plate 410, and the stability of the mechanism is improved.
Specifically, the wave-making structure 400 may further include a wave-making plate upper transmission shaft 420 and a wave-making plate lower transmission shaft 430, one end of the wave-making plate 410 is hinged to the transmission link 330 through the wave-making plate upper transmission shaft 420, and the other end of the wave-making plate 410 is hinged to the model box 100 through the wave-making plate lower transmission shaft 430.
Specifically, the transmission structure 300 drives the wave making plate upper transmission shaft 420, the wave making plate upper transmission shaft 420 drives the wave making plate 410 to swing, and the lower part of the wave making plate 410 is hinged inside the model box 100 through the wave making plate lower transmission shaft 430, so that the lower part of the wave making plate 410 can only rotate around the wave making plate lower transmission shaft 430. The mechanism strength is higher due to the design, and the stability of the mechanism is improved.
In one embodiment, the wave generating function is realized by the following steps: injecting a desired liquid to a predetermined height in mold box 100; the servo valve 230 is connected with an oil source at the end part of the arm of the centrifugal machine, and the controller 210 controls the servo valve 230 to adjust the flow and pressure of the hydraulic oil in real time according to the displacement of the piston rod 242 measured by the displacement sensor 220, so as to drive the piston rod 242 to move; the piston rod 242 drives the slider connecting block 340 to move through the slider transmission shaft 350, the slider connecting block 340 drives the first slider 320 to move on the first linear guide rail 310, the slider connecting block 340 drives the transmission connecting rod 330 to move through the slider swinging shaft, the transmission connecting rod 330 drives the swinging shaft on the wave making plate 410 to further drive the wave making plate 410 to swing around the swinging shaft under the wave making plate 410, and further, the liquid in the box body is driven to generate waves.
In practice, the controller 210 can control the motion form, including amplitude and frequency, of the piston rod 242 according to the test requirements, and further control the motion form of the wave generating plate 410, and finally control the frequency, amplitude and wavelength of the waves.
Specifically, the wave absorbing structure 500 includes a first linear motion mechanism 510 and a first wave absorbing plate 520, the first linear motion mechanism 510 is fixed on the lower side of the top plate 110, a plurality of grid holes are formed in the first wave absorbing plate 520, one end of the first wave absorbing plate 520 is disposed at the output end of the first linear motion mechanism 510, and the first linear motion mechanism 510 controls the motion of the first wave absorbing plate 520 in the wave traveling direction.
Specifically, the output end of the first linear motion mechanism 510 is fixedly connected to the first wave absorbing plate 520, and the first linear motion mechanism 510 moves in the wave traveling direction to drive the first wave absorbing plate 520 to move in the wave traveling direction. This design method allows for adjustment of the distance between the first absorber plate 520 and the sidewall of the mold box 100.
Specifically, the first linear motion mechanism 510 includes a first servo motor 511, a first ball screw 512, a second linear guide 513 and a second slider 514, the first wave-absorbing plate 520 is fixedly connected to nuts of the second slider 514 and the first ball screw 512, respectively, the second slider 514 is disposed on the second linear guide 513, and the first servo motor 511 controls the first wave-absorbing plate 520 to move in the wave traveling direction by controlling the first ball screw 512.
Specifically, the second linear guide 513 is fixed on the bottom plate through a nut, and the first servo motor 511 and the first ball screw 512 are fixed on the bottom plate after being fixedly connected. After the first wave absorption plate 520 and the second guide rail sliding block are fixedly connected, the first wave absorption plate can slide on the second linear guide rail 513; the first wave generating plate 410 is fixed on the first ball screw 512, and the servo motor drives the ball screw to rotate and drive the first wave generating plate 520 to slide on the second linear guide 513. The design reduces the stress of the ball screw and reduces the deformation and the friction force of the ball screw.
Specifically, the wave absorbing structure 500 further includes a second linear motion mechanism 530 and a second wave absorbing plate 540, the second wave absorbing plate 540 is provided with a plurality of grid holes, the second linear motion mechanism 530 is fixed on the first wave absorbing plate 520, one end of the second wave absorbing plate 540 is arranged at the output end of the second linear motion mechanism 530, and the second linear motion mechanism 530 controls the second wave absorbing plate 540 to move in the direction perpendicular to the wave traveling direction.
Specifically, the second linear motion mechanism 530 is fixed to the first wave absorbing plate 520, and the second wave absorbing plate 540 is fixed to an output end of the second linear motion mechanism 530. The second linear motion mechanism 530 operates to drive the second wave absorbing plate 540 to move in a direction perpendicular to the traveling direction of the waves, so as to achieve the effect of controlling the size of the openings of the grid. The design method is simple and reliable in structure.
Specifically, the second linear motion mechanism 530 includes a second servo motor 531, a second ball screw 532, a third linear guide 533, and a third slider 534, the second wave absorbing plate 540 is fixedly connected to nuts of the third slider 534 and the second ball screw 532, respectively, the third slider 534 is disposed on the third linear guide 533, and the second servo motor 531 controls the second wave absorbing plate 540 to move in a direction perpendicular to the direction in which waves travel by controlling the second ball screw 532.
Specifically, the second servo motor 531 is fixedly connected to the second ball screw 532, the third slider 534 is connected to the second ball screw 532, and the third slider 534 is slidable on the third linear guide 533. The second servo motor 531 operates to drive the second ball screw 532 to rotate, the second ball screw 532 drives the third slider 534 to move on the third linear guide 533, and the third slider 534 drives the second wave absorbing plate 540 to move in the direction perpendicular to the wave traveling direction. The design mode has simple and reliable structure.
In one embodiment, the wave absorbing function is achieved by: in the wave advancing direction, after the first servo motor 511 operates, the screw rod of the first ball screw 512 rotates, and the nut of the first ball screw 512 drives the first wave absorption plate 520 to slide on the second linear guide rail 513, so that the distance between the wave absorption plate and the side wall of the model box 100 is controlled with high precision to control the size of the reflected wave; in the direction perpendicular to the wave traveling direction, after the second servo motor 531 operates, the screw of the second ball screw 532 rotates, the nut of the second ball screw 532 drives the second wave absorbing plate 540 to slide on the third linear guide 533, so as to control the relative positions of the first wave absorbing plate 520 and the second wave absorbing plate 540, and control the size of the reflected wave through the aperture ratio between the wave absorbing plates. According to waves of different working conditions, the size of the reflected wave is controlled by adjusting the distance between the wave absorbing plate and the side wall of the model box 100 and the aperture ratio of the wave absorbing plate.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A rocking plate wave generating device, comprising:
the top of the model box is provided with a top plate, and the middle of the model box is provided with a groove for placing a seabed model foundation;
the power structure, the transmission structure and the wave generating structure are sequentially in transmission connection, and the power structure and the transmission structure are arranged on the upper side of the top plate; and
the wave absorbing structure is arranged on the lower side of the top plate, and the wave absorbing structure and the wave generating structure are respectively positioned on two opposite sides in the model box.
2. The device of claim 1, wherein the power structure comprises a controller, a displacement sensor, a servo valve and an actuator, the displacement sensor is used for measuring the displacement of the actuator, the controller is used for controlling the expansion and contraction of the actuator through controlling the servo valve according to the displacement, and the output end of the actuator is in transmission connection with the input end of the transmission structure.
3. The device of claim 2, wherein the actuator comprises a cylinder and a piston rod, the piston of the piston rod being disposed within the cylinder, the rod of the piston rod being drivingly connected to the input of the drive structure.
4. The device according to claim 1, characterized in that the transmission structure comprises at least one first linear guide rail and a transmission connecting rod, wherein the first linear guide rail is provided with a first sliding block in a sliding manner, and the output end of the power structure and the transmission connecting rod are respectively hinged on the first sliding block.
5. The device according to claim 4, wherein the transmission structure further comprises a slider transmission shaft and a connecting rod swinging shaft, two ends of the slider transmission shaft are respectively hinged with the output end of the power structure and the first slider, and two ends of the connecting rod swinging shaft are respectively hinged with one end of the first slider and one end of the transmission connecting rod.
6. The apparatus according to claim 1, wherein the wave generating structure comprises a wave generating plate, one end of which is hinged to the output end of the transmission structure, and the other end of which is hinged inside the mold box.
7. The apparatus of claim 1, wherein the wave absorbing structure comprises a first linear motion mechanism and a first wave absorbing plate, the first linear motion mechanism is fixed on the lower side of the top plate, the first wave absorbing plate is provided with a plurality of grid holes, one end of the first wave absorbing plate is arranged at the output end of the first linear motion mechanism, and the first linear motion mechanism controls the motion of the first wave absorbing plate in the wave traveling direction.
8. The apparatus of claim 7, wherein the first linear motion mechanism comprises a first servo motor, a first ball screw, a second linear guide and a second slider, the first wave-absorbing plate is fixedly connected with the second slider and a nut of the first ball screw, respectively, the second slider is disposed on the second linear guide, and the first servo motor controls the motion of the first wave-absorbing plate in the traveling direction of the waves by controlling the first ball screw.
9. The device of claim 7, wherein the wave absorbing structure further comprises a second linear motion mechanism and a second wave absorbing plate, the second wave absorbing plate is provided with a plurality of grid holes, the second linear motion mechanism is fixed on the first wave absorbing plate, one end of the second wave absorbing plate is arranged at the output end of the second linear motion mechanism, and the second linear motion mechanism controls the second wave absorbing plate to move in the direction perpendicular to the wave traveling direction.
10. The device according to claim 9, wherein the second linear motion mechanism comprises a second servo motor, a second ball screw, a third linear guide rail and a third slider, the second wave-absorbing plate is fixedly connected with the third slider and a nut of the second ball screw respectively, the third slider is arranged on the third linear guide rail, and the second servo motor controls the second wave-absorbing plate to move in a direction perpendicular to the traveling direction of the waves by controlling the second ball screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210049442.XA CN114593890A (en) | 2022-01-17 | 2022-01-17 | Wave generating device with rocking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210049442.XA CN114593890A (en) | 2022-01-17 | 2022-01-17 | Wave generating device with rocking plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433743A (en) * | 2023-12-18 | 2024-01-23 | 天津大学 | Wave water tank for wave boundary layer experiment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000003125A (en) * | 1998-06-15 | 2000-01-07 | Hitachi Zosen Corp | Wave forming device |
| JP2010127659A (en) * | 2008-11-25 | 2010-06-10 | National Maritime Research Institute | Wave-maker, wave-making method, and program |
| CN108362471A (en) * | 2017-12-04 | 2018-08-03 | 中国特种飞行器研究所 | One kind being based on multiple degrees of freedom adjustable water power seakeeping test multiple-unit device |
| CN109141819A (en) * | 2018-09-26 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Wave simulation generating device under super gravity field |
| CN109556827A (en) * | 2019-01-23 | 2019-04-02 | 中国工程物理研究院总体工程研究所 | A kind of Auxiliary support formula wave simulation generating device under super gravity field |
-
2022
- 2022-01-17 CN CN202210049442.XA patent/CN114593890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000003125A (en) * | 1998-06-15 | 2000-01-07 | Hitachi Zosen Corp | Wave forming device |
| JP2010127659A (en) * | 2008-11-25 | 2010-06-10 | National Maritime Research Institute | Wave-maker, wave-making method, and program |
| CN108362471A (en) * | 2017-12-04 | 2018-08-03 | 中国特种飞行器研究所 | One kind being based on multiple degrees of freedom adjustable water power seakeeping test multiple-unit device |
| CN109141819A (en) * | 2018-09-26 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Wave simulation generating device under super gravity field |
| CN109556827A (en) * | 2019-01-23 | 2019-04-02 | 中国工程物理研究院总体工程研究所 | A kind of Auxiliary support formula wave simulation generating device under super gravity field |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433743A (en) * | 2023-12-18 | 2024-01-23 | 天津大学 | Wave water tank for wave boundary layer experiment |
| CN117433743B (en) * | 2023-12-18 | 2024-02-13 | 天津大学 | Wave water tank for wave boundary layer experiment |
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