CN113176070A - Follow over-and-under type wave absorption device - Google Patents
Follow over-and-under type wave absorption device Download PDFInfo
- Publication number
- CN113176070A CN113176070A CN202110424901.3A CN202110424901A CN113176070A CN 113176070 A CN113176070 A CN 113176070A CN 202110424901 A CN202110424901 A CN 202110424901A CN 113176070 A CN113176070 A CN 113176070A
- Authority
- CN
- China
- Prior art keywords
- wave
- wave absorbing
- trailer
- lifting
- absorbing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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 provides a following lifting type wave absorbing device, which comprises a lifting device fixed on a trailer, a lifting wave absorbing plate with a wave absorbing function in the middle of the lifting device, wave absorbing holes sequentially arranged on the wave absorbing plate, and replaceable wave absorbing filter cores inserted in the wave absorbing plate, wherein each lifting device comprises a fixing device fixed on the trailer, a built-in motor powered by the trailer and connected with a lead screw to control the lead screw to rotate, and a terminator is arranged at the bottom of the lifting device and used for controlling a termination point of the wave absorbing plate. The invention carries out targeted wave elimination according to three parts formed by waves; the pool wall is not damaged, and the test precision and wave generation are not influenced; the device is supported by a pool trailer, an independent power supply device is not needed, and other auxiliary devices are not needed; the device is flexible, detachable and suitable for all pools with trailers; the replaceable filter element has high efficiency and long service life.
Description
Technical Field
The invention relates to a wave absorbing device, in particular to a following lifting type wave absorbing device, and belongs to the technical field of ship model tests.
Background
The model ship towing pool is a test facility for knowing the motion attitude, the navigation speed, the power of a propeller and other aircraft performances of a ship, a torpedo and a submarine by utilizing various aircraft models for testing, and a model ship (or other aircraft models) is towed by a trailer above the pool to advance or retreat. When the towing tank is used for carrying out model tests with larger scale and higher navigational speed and artificial wave making is needed, when the test of one working condition is finished, the test of the next working condition can be carried out only after the water surface with larger wave amplitude returns calmly until the test requirement is met. The service time of towing the experimental live time of pond is precious, from the angle that reduces economic cost, and this patent invents a follow over-and-under type wave absorption device to accelerate wave absorption speed reduces the time cost in the pond experiment.
There are three main reasons for pool wave generation: 1. active wave generation of a wave generator; 2. the trailer positively drives over the waves excited by the ship model; 3. and in the process that the trailer backs up to return to the starting position, the ship kicks up waves. The traditional wave absorbing device is usually installed on the wall surface at a fixed position of a pool, the form is mostly lifting, the wave absorbing device can damage the wall surface of the pool to a certain extent, and a large number of independent devices (such as power supply devices) are usually required to be matched. The device itself may have an effect on the waves generated by the wave generator and once installed, is difficult to disassemble and cannot be reused on other trailers.
Disclosure of Invention
The invention aims to provide a following lifting type wave absorbing device for reducing test time consumed by waiting for the water surface to return to calm in a towing tank test, saving time cost and improving test efficiency.
The purpose of the invention is realized as follows:
a follow-up lifting type wave absorbing device comprises a lifting device fixed on a trailer, a lifting wave absorbing plate with a wave absorbing function in the middle of the lifting device, wave absorbing holes sequentially arranged on the wave absorbing plate, replaceable wave absorbing filter cores inserted into the wave absorbing plate, a fixing device fixed on the trailer, and a built-in motor powered by the trailer, wherein the motor is connected with a lead screw, the lead screw is controlled to rotate, and a terminator is arranged at the bottom of the lifting device and used for controlling a termination point of the wave absorbing plate.
The wave absorbing holes in the wave absorbing plate adopt the arrangement modes of different heights and different apertures according to the wave potential energy at different positions, and the large aperture is arranged at the bottom, so that the impact of waves on the wave absorbing plate is reduced, and the waves with larger potential energy, namely sine waves, are segmented; the top is provided with a small aperture, and the wave crest of the sine wave is filtered into a broken wave;
the filter element is made of energy-absorbing materials, can be replaced after fatigue failure, has various forms and is mainly in a fine strip shape or a mesh shape.
Compared with the prior art, the invention has the beneficial effects that:
the invention is more in line with the wave-absorbing principle and carries out targeted wave absorption according to three parts formed by waves; the pool wall is not damaged, and the test precision and wave generation are not influenced; the device is supported by a pool trailer, an independent power supply device is not needed, and other auxiliary devices are not needed; the device is flexible, detachable and suitable for all pools with trailers; the filter element can be replaced, the efficiency is high, and the service life is long;
the invention discloses a following lifting wave-absorbing device for a trailer during back-navigation, which is used for cutting, absorbing and eliminating waves based on the wave generation principle, directly utilizes the trailer to supply power, cannot generate any damage, has detachability and high wave-absorbing efficiency, and can be widely applied.
Drawings
FIG. 1 is a general schematic view of the assembly of the apparatus with a pool trailer;
FIG. 2 is a schematic diagram of the basic structure of the apparatus;
FIG. 3 is a schematic view of a filter cartridge;
fig. 4 is a cross-sectional view of wave analysis.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention comprises a lifting device fixed on a trailer, a lifting wave-absorbing plate with wave-absorbing function in the middle of the lifting device, wave-absorbing holes arranged in sequence on the wave-absorbing plate, and a replaceable wave-absorbing filter element inserted in the wave-absorbing plate. Each lifting device comprises a fixing device fixed on the trailer and a built-in motor powered by the trailer, and the motor is connected with the lead screw to control the lead screw to rotate. The bottom of the lifting device is provided with a terminator which is used for controlling the termination point of the wave-absorbing plate.
The wave absorption holes on the wave absorption plate adopt the arrangement modes of different apertures according to the wave potential energy at different positions. The large aperture is arranged at the bottom, so that the impact of waves on the wave cancellation plate is reduced, and sine waves which are waves with larger potential energy are segmented; the small pore diameter is arranged at the top, and the wave crest of the sine wave shape is filtered into broken waves.
The wave-absorbing plate is internally provided with a replaceable filter element which is used as a main component for absorbing wave energy. The filter element is made of energy-absorbing material and can be replaced after fatigue failure. The forms are various, and the main forms are fine strip-shaped or mesh-shaped.
During the experiment, the wave making machine makes sinusoidal wave in dragging the pond, and the trailer drags the ship model to drive through, can destroy the sinusoidal wave, arouses the broken wave. Follow lift wave absorption device and be located the trailer place ahead, be fixed in on the trailer, wave absorption plate is in the rising position, does not participate in experimental going on. After the test is finished, the trailer is located at the end of the pool, and needs to be backed to the original starting position to prepare the test of the next working condition. Before backing a car, a built-in motor in the lifting device is electrified to drive a screw rod to rotate, and the wave-absorbing plate is controlled to descend until the stop device stops. In the process that the trailer backs a car, the trailer drives boats and ships and can continue to arouse surface of water wave, and the wave plate that lies in trailer prelude this moment then can play the wave absorption effect.
Firstly, the big holes at the bottom of the wave elimination plate can filter out most of kinetic energy and potential energy conversion of sine waves generated by the wave generator, and eliminate the sine waves; secondly, the broken waves driven by the sine waves are filtered by the small holes at the top of the wave eliminating plate, and the wave crests of the sine waves can be filtered into the broken waves; the filtering core plate additionally arranged in the middle of the wave eliminating plate can further divide and absorb most of wave energy of the wave shape damaged by the filtering plate, including the surplus of sine waves and the wave-breaking wave energy. The wave elimination holes with four different apertures and the filter element act together to eliminate wave forms and absorb wave energy, so that the water surface is restored to be calm as soon as possible, and the test time is saved.
Referring to fig. 1, the present invention mainly comprises a lifting mechanism 3 fixed at the front end of a pool trailer 2, a wave-absorbing plate 6 positioned in the middle of the lifting mechanism, a filter element 8 inside the wave-absorbing plate, and some auxiliary mechanisms.
Before the test, the filter element 7 is installed in the wave-absorbing plate 6 through the installation hole 9, when the trailer 2 drags the ship model to run to the end of the water pool 1, the lifting mechanism 3 is electrified, the built-in motor in the lifting mechanism 3 controls the screw rod 4 to rotate, so that the wave-absorbing plate 6 falls down, and the wave-absorbing plate 6 is stopped at the lowest position under the control of the terminator 5. When the trailer 2 is backed, the sine wave generated by the wave generator and the wave breaking caused by forward and backward driving of the ship model are firstly filtered by the wave eliminating holes 8 with different apertures to carry out partial division and absorption, the rest of the divided broken wave energy is mainly absorbed by the filter element 7, the filter element 7 can further divide the broken wave in form, and the energy absorbing material is adopted on the material to absorb the rest wave energy. The whole energy absorption and wave absorption process and the backing process are carried out simultaneously, and after the trailer returns to the initial test point, the lifting mechanism 3 can control the wave absorption plate 6 to ascend to the initial position to prepare for the test and wave absorption work of the next working condition. From the whole wave absorption process and the wave absorption principle, the invention has the advantages of no influence on test precision, simple operation in the working process and higher efficiency.
Claims (3)
1. A follow-up lifting type wave absorbing device is characterized by comprising a lifting device fixed on a trailer, a lifting wave absorbing plate with a wave absorbing function in the middle of the lifting device, wave absorbing holes sequentially arranged on the wave absorbing plate, replaceable wave absorbing filter cores inserted into the wave absorbing plate, a fixing device fixed on the trailer, a built-in motor powered by the trailer, a motor connected with a lead screw and used for controlling the lead screw to rotate, and a terminator arranged at the bottom of the lifting device and used for controlling a termination point of the wave absorbing plate.
2. The following lifting type wave absorbing device according to claim 1, wherein wave absorbing holes in the wave absorbing plate are arranged in different sizes according to wave potential energy at different positions, and large holes are formed in the bottom of the wave absorbing plate to reduce impact of waves on the wave absorbing plate and divide waves with larger potential energy, such as sine waves; the small pore diameter is arranged at the top, and the wave crest of the sine wave shape is filtered into broken waves.
3. The follow-up lifting type wave absorbing device as claimed in claim 1, wherein the filter element is made of energy absorbing material, can be replaced after fatigue failure, and has various forms, mainly in a fine strip shape or a mesh shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424901.3A CN113176070A (en) | 2021-04-20 | 2021-04-20 | Follow over-and-under type wave absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424901.3A CN113176070A (en) | 2021-04-20 | 2021-04-20 | Follow over-and-under type wave absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113176070A true CN113176070A (en) | 2021-07-27 |
Family
ID=76923838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110424901.3A Pending CN113176070A (en) | 2021-04-20 | 2021-04-20 | Follow over-and-under type wave absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113176070A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303685A (en) * | 2011-06-08 | 2012-01-04 | 哈尔滨工程大学 | Wave damping device of ship model towing tank |
| CN206012898U (en) * | 2016-06-06 | 2017-03-15 | 朱剑文 | Porous media material wave absorption stability float module |
| CN106918443A (en) * | 2017-02-22 | 2017-07-04 | 哈尔滨工程大学 | A kind of ship model test towing tank aids in wave absorber |
| CN110438936A (en) * | 2019-07-16 | 2019-11-12 | 哈尔滨工程大学 | A kind of variable orifice diameter active wave absorber |
| CN110683015A (en) * | 2019-10-22 | 2020-01-14 | 哈尔滨工程大学 | Lifting wave-absorbing device for reducing side wall effect of ship towing tank |
-
2021
- 2021-04-20 CN CN202110424901.3A patent/CN113176070A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303685A (en) * | 2011-06-08 | 2012-01-04 | 哈尔滨工程大学 | Wave damping device of ship model towing tank |
| CN206012898U (en) * | 2016-06-06 | 2017-03-15 | 朱剑文 | Porous media material wave absorption stability float module |
| CN106918443A (en) * | 2017-02-22 | 2017-07-04 | 哈尔滨工程大学 | A kind of ship model test towing tank aids in wave absorber |
| CN110438936A (en) * | 2019-07-16 | 2019-11-12 | 哈尔滨工程大学 | A kind of variable orifice diameter active wave absorber |
| CN110683015A (en) * | 2019-10-22 | 2020-01-14 | 哈尔滨工程大学 | Lifting wave-absorbing device for reducing side wall effect of ship towing tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102303685B (en) | Wave damping device of ship model towing tank | |
| CN110685851B (en) | Water wheel device and ship with same | |
| CN106733906B (en) | Ultrasonic cleaning device for cleaning dirt of solar cell panel | |
| CN110080158A (en) | A kind of pond with wave absorber | |
| CN106918443A (en) | A kind of ship model test towing tank aids in wave absorber | |
| CN109080790B (en) | Underwater automatic cleaning equipment for propeller and cleaning method thereof | |
| CN107933858A (en) | A kind of two-way ballast underwater glider | |
| CN106114802A (en) | A kind of self-powered, the water surface robot of oxygen supply | |
| CN102190354B (en) | Self-floating device for removing algae through plasma discharge | |
| CN113176070A (en) | Follow over-and-under type wave absorption device | |
| CN102705136A (en) | Power generator utilizing complementary energy of ship propeller | |
| CN202131582U (en) | Wave-absorption device of ship model test towing tank | |
| DE4026638A1 (en) | Water-powered current generation plant - has paddle wheel located in free space between two floating pontoons | |
| CN103661820A (en) | Large double-head and single-body float-garbage ship | |
| CN211336367U (en) | Underwater robot throwing and recycling device | |
| KR20130143350A (en) | Floating structure | |
| CN113525653A (en) | Energy-saving ship power transmission device | |
| CN203753372U (en) | Remote-control surface tension floating movable platform | |
| CN204726647U (en) | A kind of marine powerplant of energy Fast Installation | |
| CN111307410A (en) | Ship model towing tank wave absorption system | |
| CN111409804A (en) | Ducted fan type propulsion device and ship | |
| CN209938896U (en) | Self-propelled mechanism based on electromagnet | |
| CN219244947U (en) | Passive grid wave-absorbing device | |
| CN115503870B (en) | Wave wing plate with float state real-time supervision and automatically regulated function | |
| CN105292423A (en) | Solar fishing boat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210727 |
|
| RJ01 | Rejection of invention patent application after publication |