CN114235331A - Wedge plunger wave making device suitable for making high-order nonlinear waves - Google Patents
Wedge plunger wave making device suitable for making high-order nonlinear waves Download PDFInfo
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- CN114235331A CN114235331A CN202111180632.7A CN202111180632A CN114235331A CN 114235331 A CN114235331 A CN 114235331A CN 202111180632 A CN202111180632 A CN 202111180632A CN 114235331 A CN114235331 A CN 114235331A
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- wave
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- mounting plate
- motion module
- water tank
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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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Abstract
The invention discloses a wedge plunger wave making device suitable for making high-order nonlinear waves, which comprises a servo system, a motion module, a wave eliminating device and a water tank, wherein the servo system consists of a servo motor, a driver, a controller and a human-computer interaction interface, one side of the servo motor is provided with a transmission device through a fixed support, the bottom end of the transmission device is in transmission connection with the motion module, two sides of the water tank are oppositely provided with mounting grooves, a water baffle is sleeved in the mounting grooves in a sliding mode and is positioned behind the motion module, and the tail end of the water tank far away from the water baffle is provided with the wave eliminating device. According to the invention, the wedge body movement rules corresponding to different waveforms are embedded into the servo controller, the servo motor is controlled to drive the wedge body to accurately move vertically through the driver, and the movement speed and position of the movement module and the torque change of the motor can be clearly displayed on a human-computer interaction interface, so that the working condition of the wave generating equipment can be monitored in real time.
Description
Technical Field
The invention relates to the field of wave generation in engineering tests, in particular to a wedge plunger wave generation device suitable for manufacturing high-order nonlinear waves.
Background
With the continuous exploration of the sea by human beings, the infrastructures such as wharfs, fisheries, offshore platforms, sea-crossing bridges and the like are rapidly increased, so that the design and the service of offshore structures are inevitably challenged by waves. Therefore, the law of the waves itself and their coupling to ships and offshore structures has been the subject of research by researchers. However, the high non-linearity of wave propagation and the complexity of wave-structure coupling make a single theoretical analysis rather complex. Therefore, the wave water tank plays an indispensable role in studying waves and verifying the accuracy of theoretical analysis.
The existing plunger wave-making equipment is mainly used for making linear waves and irregular waves formed by the linear waves, and the wave-making efficiency of high-order nonlinear waves such as Steckes waves and solitary waves commonly used in ocean engineering is low, so that the effective length of a wave-making water tank is relatively reduced, the manufacturing cost of experimental equipment is increased, and unnecessary manpower and material resources are wasted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wedge plunger wave making device suitable for making high-order nonlinear waves.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a wedge plunger wave making device suitable for manufacturing high-order nonlinear waves, which comprises a servo system, a motion module, a wave eliminating device and a water tank, wherein the servo system consists of a servo motor, a driver, a controller and a human-computer interaction interface, and is connected with a data transmission line through a power cable, one side of the servo motor is provided with a transmission device through a fixed support, the bottom end of the transmission device is in transmission connection with the motion module, the transmission device comprises a screw rod, a head flange, a gear box, a first mounting plate, a second mounting plate and a guide rail, the first mounting plate and the second mounting plate are arranged in parallel and are fixedly connected at four corners through the guide rail, the surface of the top end of the first mounting plate is provided with the head flange, the surface of the top end of the head flange is provided with the screw rod, the surface of the top end of the second mounting plate is provided with the gear box, and the bottom of gear box is connected with the lead screw transmission, wherein arbitrary guide rail surface mounting has proximity switch, and proximity switch's quantity is two to dislocation set from top to bottom, be provided with the zero-return switch between the proximity switch, the opposite mounting groove that is provided with in both sides of basin, the breakwater has been cup jointed in the inside slip of mounting groove, and the breakwater is located the rear of motion module, the terminal that the breakwater was kept away from to the basin is installed the wave absorbing device.
As a preferable technical scheme of the invention, the transmission device adopts a bevel gear-ball screw lifting platform.
As a preferable technical scheme of the invention, the motion module is in a wedge structure, and the wedge angle is 45-60 degrees.
As a preferable technical scheme of the invention, supporting plates are arranged on the outer sides of the mounting grooves on the two sides, and a scale is arranged on the surface of each supporting plate.
In a preferred embodiment of the present invention, the wave-absorbing device is composed of two layers of thermoplastic porous synthetic resin.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, wedge body movement rules corresponding to different waveforms are embedded into the servo controller, the servo motor is controlled to drive the wedge body to accurately move vertically through the driver, and the movement speed and position of the movement module and the torque change of the motor can be clearly displayed on a human-computer interaction interface for monitoring the working condition of the wave making equipment in real time; the wedge bodies with different wedge angles can be replaced to manufacture most of different waveforms meeting the test requirements, including linear waves, Stokes waves, solitary waves and irregular waves; the wave-making equipment and the upstream water body are separated by the water baffle, so that the wave-making quality is improved; the wave-absorbing device positioned at the tail end of the water tank can eliminate most reflected waves, and the influence of wave emission on the wave-making effect is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of the overall plan structure of the present invention;
FIG. 4 is a schematic illustration of the transmission of the present invention;
FIG. 5 is a sectional view of a portion of the water deflector of the present invention;
FIG. 6 is a schematic perspective view of FIG. 5;
FIG. 7 is a schematic structural diagram of the wave-damping device of the present invention;
FIG. 8 is a side view of the wave-attenuating device of the present invention;
FIG. 9 is a schematic view of the 45 wedge motion module configuration of the present invention;
FIG. 10 is a schematic view of the kinematic module of the present invention having a wedge angle of 60 °;
in the figure: 1. a servo motor; 2. a driver; 3. a controller; 4. a human-computer interaction interface; 5. a power cable; 6. a data transmission line; 7. a motion module; 8. a transmission device; 9. a water baffle; 10. a wave-absorbing device; 11. a water tank; 12. fixing a bracket; 81. a screw rod; 82. a head flange; 83. a gear case; 84. A first mounting plate; 85. a guide rail; 86. a proximity switch; 87. a zero-return switch; 88. a second mounting plate; 91. mounting grooves; 92. a scale; 93. a support plate; 101. thermoplastic porous synthetic resin.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-10, the invention provides a wedge plunger wave generator suitable for manufacturing high-order nonlinear waves, comprising a servo system, a motion module 7, a wave absorber 10 and a water tank 11, wherein the servo system is composed of a servo motor 1, a driver 2, a controller 3 and a man-machine interface 4, and is connected with a data transmission line 6 through a power cable 5, one side of the servo motor 1 is provided with a transmission device 8 through a fixed bracket 12, the bottom end of the transmission device 8 is connected with the motion module 7 in a transmission manner, the transmission device 8 comprises a screw rod 81, a head flange 82, a gear box 83, a first mounting plate 84, a second mounting plate 88 and a guide rail 85, the first mounting plate 84 and the second mounting plate 88 are arranged in parallel and are fixedly connected at four corners through the guide rail 85, the head flange 82 is arranged on the top surface of the first mounting plate 84, the screw rod 81 is arranged on the top surface of the head flange 82, the top surface mounting of second mounting panel 88 has gear box 83, and the bottom and the lead screw 81 transmission of gear box 83 are connected, wherein arbitrary guide rail 85 surface mounting has proximity switch 86, and proximity switch 86's quantity is two, and misplace the setting from top to bottom, be provided with zero return switch 87 between the proximity switch 86, the both sides opposition of basin 11 is provided with mounting groove 91, the manger plate 9 has been cup jointed in the inside slip of mounting groove 91, and manger plate 9 is located the rear of motion module 7, the end that manger plate 9 was kept away from to basin 11 is installed wave damper 10.
The use process of the invention is as follows: embedding the calculated wedge motion rule corresponding to the target waveform into a servo controller 3, firstly carrying out motion detection, keeping the water tank in an anhydrous state, switching on a power supply, controlling a motion module 7 on a human-computer interaction interface 4 to move to a target initial position in a inching mode, opening a starting button, checking a motion speed curve of the motion module 7, if the motion speed curve meets requirements, carrying out a wave-making test, clicking 'zero return' on the human-computer interaction interface 4 to enable the wedge to return to the initial position, opening a water inlet valve of the water tank to enable the water level to rise to a target height, inserting a water baffle 9 into a mounting groove 91, separating an upstream water body, opening the starting button after the water level is stable, and carrying out vertical reciprocating motion by the motion module 7 according to the target motion speed to generate target waves to be transmitted to the downstream of the water tank.
The displacement and the speed of the motion module 7 and the moment change of the servo motor 1 can be monitored in real time through the human-computer interface 4 in the wave making process, when the motion is abnormal, the motion module 7 stops moving and can return to the initial position even if an 'emergency stop' button of the human-computer interface 4 is pressed, and the wave making test can be continuously carried out after the water surface is stable.
Example 2
Further, the transmission device 8 adopts a bevel gear-ball screw lifting table.
When the servo controller 3 controls the servo motor 7 to rotate, the motor rotating shaft drives the bevel gear of the transmission device 8 to rotate, and meanwhile, the ball screw 81 is enabled to do vertical reciprocating linear motion, and the ball screw-bevel gear transmission device 8 has higher transmission efficiency in the working process, so that the power of the servo motor 1 is greatly reduced.
Other structures of this embodiment are the same as those of embodiment 1.
Example 3
Furthermore, the motion module 7 is in a wedge structure, the wedge angle is 45-60 degrees, and the two can be replaced mutually.
When the manufactured target waves are linear waves, stokes waves and irregular waves, a wedge body with a wedge angle of 45 degrees is fixed on a transmission device flange by adopting an M16 screw rod, and as shown in figure 9, the method of embodiment 1 is adopted for wave manufacturing; when the target wave is an isolated wave, a wedge with a wedge angle of 60 degrees is fixed on a transmission flange by using an M16 screw, and the wave is generated by using the method of example 1 as shown in figure 10.
Other structures of this embodiment are the same as those of embodiment 1.
Example 4
Further, support plates 93 are mounted on the outer sides of the mounting grooves 91 on both sides, and a scale 92 is disposed on the surface of each support plate 93.
Before water is discharged from the water supply tank, the water baffle 9 is drawn out, the water inlet valve of the water supply tank is opened, the scale 92 is observed from the side, when the water level rises to a target height, the valve is closed, the water baffle 9 is inserted into the mounting groove 91, and upstream water is separated. And starting wave generation after the water surface is stable.
Other structures of this embodiment are the same as those of embodiment 1.
Example 5
Further, the wave-damping device 10 is composed of two layers of thermoplastic porous synthetic resin 101.
The wave-absorbing device 10 is installed at the tail end of the water tank, when waves are transmitted to the wave-absorbing device, the energy of the waves is reduced, and the wave height is reduced, so that the influence of wave reflection on wave generation is reduced.
Other structures of this embodiment are the same as those of embodiment 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wedge plunger wave generation device suitable for manufacturing high-order nonlinear waves comprises a servo system, a motion module (7), a wave elimination device (10) and a water tank (11), and is characterized in that the servo system consists of a servo motor (1), a driver (2), a controller (3) and a human-computer interaction interface (4) and is connected with a data transmission line (6) through a power cable (5), a transmission device (8) is installed on one side of the servo motor (1) through a fixing support (12), the bottom end of the transmission device (8) is in transmission connection with the motion module (7), the transmission device (8) comprises a screw rod (81), a head flange (82), a gear box (83), a first mounting plate (84), a second mounting plate (88) and a guide rail (85), the first mounting plate (84) and the second mounting plate (88) are arranged in parallel, and are fixedly connected at four corners through guide rails (85), a head flange (82) is arranged on the top end surface of the first mounting plate (84), the top end surface of the head flange (82) is provided with a screw rod (81), the top end surface of the second mounting plate (88) is provided with a gear box (83), the bottom end of the gear box (83) is in transmission connection with the screw rod (81), wherein the surface of any one guide rail (85) is provided with a proximity switch (86), and the number of the proximity switches (86) is two, and are arranged up and down in a staggered way, a zero return switch (87) is arranged between the proximity switches (86), mounting grooves (91) are oppositely arranged on two sides of the water tank (11), a water baffle (9) is sleeved in the mounting grooves (91) in a sliding manner, and the water baffle (9) is positioned behind the movement module (7), and the tail end of the water tank (11) far away from the water baffle (9) is provided with a wave absorbing device (10).
2. A wedge ram wave generator suitable for the production of higher order nonlinear waves according to claim 1, characterized in that the transmission means (8) is a bevel gear-ball screw elevator.
3. A wedge plunger wave making device suitable for making high order non-linear waves according to claim 1, characterized in that the motion module (7) is of wedge structure and the wedge angle is 45 ° -60 °.
4. The wedge plunger wave generating device suitable for manufacturing high-order nonlinear waves according to claim 1, characterized in that a support plate (93) is installed on the outer side of the installation groove (91) on both sides, and a scale (92) is arranged on the surface of the support plate (93).
5. A wedge plunger wave generating device suitable for the production of higher order nonlinear waves according to claim 1, characterized in that the wave-absorbing device (10) consists of two layers of thermoplastic porous synthetic resin (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180632.7A CN114235331B (en) | 2021-10-11 | 2021-10-11 | Wedge plunger wave-making device suitable for manufacturing high-order nonlinear wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111180632.7A CN114235331B (en) | 2021-10-11 | 2021-10-11 | Wedge plunger wave-making device suitable for manufacturing high-order nonlinear wave |
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| CN114235331A true CN114235331A (en) | 2022-03-25 |
| CN114235331B CN114235331B (en) | 2023-06-23 |
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| CN112014066A (en) * | 2020-08-25 | 2020-12-01 | 中国海洋大学 | Vertical push plate wave-making method and vertical push plate wave-making water tank |
| CN113092061A (en) * | 2021-04-07 | 2021-07-09 | 大连理工大学 | Water tank active absorption type wave generator system and control method |
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2021
- 2021-10-11 CN CN202111180632.7A patent/CN114235331B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004271485A (en) * | 2003-03-12 | 2004-09-30 | Mitsui Eng & Shipbuild Co Ltd | Device and method for generating reflected wave absorption type multidirectional wave |
| KR100978231B1 (en) * | 2009-12-24 | 2010-08-26 | 해양환경관리공단 | Wave basin with artificial beach |
| JP2017009587A (en) * | 2015-06-16 | 2017-01-12 | 東亜建設工業株式会社 | Wave-making device and wave-making method |
| CN105758617A (en) * | 2016-03-03 | 2016-07-13 | 中山大学 | Nonlinear and multidirectional irregular wave and internal wave generating system and control method therefor |
| CN106053016A (en) * | 2016-07-25 | 2016-10-26 | 中国海洋大学 | Method for pushing plate to create random wave |
| CN107966267A (en) * | 2017-10-26 | 2018-04-27 | 浙江大学 | A kind of device for simulating sea bed weak soil catastrophe overall process under typhoon and shallow embedding high pressure gas synergy |
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| CN111141489A (en) * | 2020-03-17 | 2020-05-12 | 北京尚水信息技术股份有限公司 | L-shaped seamless lifting wave generator |
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| CN113092061A (en) * | 2021-04-07 | 2021-07-09 | 大连理工大学 | Water tank active absorption type wave generator system and control method |
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| CN114235331B (en) | 2023-06-23 |
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