CN110761244A - Floating breakwater with anti-rolling function - Google Patents
Floating breakwater with anti-rolling function Download PDFInfo
- Publication number
- CN110761244A CN110761244A CN201911191484.1A CN201911191484A CN110761244A CN 110761244 A CN110761244 A CN 110761244A CN 201911191484 A CN201911191484 A CN 201911191484A CN 110761244 A CN110761244 A CN 110761244A
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- cross beam
- floating
- roll
- suspension body
- floating breakwater
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- 238000005096 rolling process Methods 0.000 title abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 238000005188 flotation Methods 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention provides a floating breakwater with an anti-rolling function, which comprises a suspension body suspended on the water surface, wherein a cross beam is fixedly arranged on the suspension body, the parts of two ends of the cross beam, which extend out of the suspension body, form a cantilever, floating bodies are hinged at symmetrical positions of the two ends of the cross beam, and a sliding block capable of moving along the cross beam is arranged on the cross beam. The invention has novel structure and better wave dissipation and stabilization effects, can greatly reduce the resonance probability of wave and the rolling of the suspension body, reduce the stress of the anchor chain, improve the wind and wave resistance of the suspension body, is convenient to construct and maintain, and can be applied to production and construction processes in coastal ports, offshore disaster prevention emergency wave dissipation, offshore platforms, marine aquaculture and other aspects.
Description
Technical Field
The invention belongs to the technical field of ocean engineering, and particularly relates to a floating breakwater with an anti-rolling function.
Background
The floating breakwater consists of a floating body and an anchoring system, wherein the floating body consists of a box body or a floating raft with certain draft, and one end of the floating body is connected with an anchor chain fixed on the sea bottom and floats on the water surface. The wave-breaking principle of the floating breakwater is that according to the distribution characteristic that most of wave energy is concentrated on the upper layer of the water surface, the waves behind the breakwater are reduced by utilizing the wave energy reflected, absorbed, converted and dissipated by the floating body, and floating boxes, floating rafts and the like made of various types and materials can be used as the floating body to break waves. In recent years, with the increasing awareness of environmental protection, the marine environmental problems are paid more and more attention, and the floating breakwater has a stronger seawater exchange function because the floating breakwater has little influence on the marine environment; the construction cost is lower, the construction is rapid, the removal is easy, and the like, and the method is more and more noticed and accepted by people, and the application is more and more extensive.
The existing floating breakwater mainly has the following defects: (1) the wave-breaking effect is poor, which is mainly caused by the fact that the height and width (along the wave propagation direction) of the floating breakwater structure are limited and cannot completely block the transmission of waves, and particularly for long-period waves, the wave-penetrating rate is obviously increased; (2) the floating body can move along with the waves after being affected by the waves, when the wave height is larger, the floating body is stressed greatly, the movement amplitude is increased, and the vertical and horizontal movement is limited to a certain extent and is mainly aggravated by rolling movement because the floating body is generally anchored at the bottom of a seabed by adopting anchor chains; the rolling of the floating body not only transmits certain wave energy and reduces the wave-eliminating effect, but also enables the anchoring system to bear larger acting force and influences the safety of the anchoring system, so the rolling of the floating body is reduced, and the rolling device has important significance.
Disclosure of Invention
In view of the above, the invention aims to provide a floating breakwater with a roll-reducing function, which has a novel structure and good wave-reducing and roll-reducing effects, can greatly reduce the resonance probability of waves and the rolling of a suspension body, reduce the stress of anchor chains, improve the wave-resisting capability of the suspension body, is convenient to construct and maintain, and can be applied to production and construction processes in the aspects of coastal ports, offshore disaster-prevention emergency wave-reducing, offshore platforms, marine aquaculture and the like.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a floating breakwater with anti-roll function, includes the suspension body of suspension on the surface of water, fixedly above the suspension body be provided with the crossbeam, and the part that the suspension body was stretched out at crossbeam both ends forms the cantilever, and the position department of crossbeam both ends symmetry articulates there is the body, is equipped with the slider that can follow the crossbeam removal on the crossbeam. The cross beam can be provided with a plurality of channels, and the length of the cantilever can be determined according to wave conditions and the like.
Further, the suspension body includes flotation tank and heavy body structure, and heavy body structure is fixed to be set up below the flotation tank, and the inside cavity of flotation tank mainly plays and provides buoyancy, and heavy body structure is solid construction and becomes "vertisely" shape, mainly plays and provides the action of gravity. The buoyancy tank and the heavy body structure can be poured together into a whole.
Furthermore, the cross beam is of a hollow closed cavity structure, a slide way is arranged in the cross beam along the length direction, two ends of the slide way are provided with collision pads, and a slide block capable of sliding freely is arranged in the slide way.
Further, the middle of the slide way is lower than the two ends. In order to guarantee that the suspension body is in the middle of the cross beam in the horizontal state. The weight of the slide block and the inclination angle of the slide way can be adjusted according to wave conditions so as to improve the anti-rolling effect.
Further, the body is the trapezoidal body, and inside cavity, and the material of body is rubber, and the bottom of body exposes the surface of water when standing water. The trapezoidal structure is made to increase the contact area between the trapezoidal structure and a water body and improve the anti-rolling effect.
Furthermore, the two ends of the cross beam are downwards provided with hinge shafts, and the floating body is connected with the cross beam through the hinge shafts. The purpose of the hinge shaft is that when the whole floating body is inclined, the floating body can still keep vertical state to enter water.
Furthermore, the symmetrical positions on the two sides of the suspension body are connected with the seabed anchor piers through anchor chains.
Furthermore, the buoyancy tank and the heavy body structure are both made of concrete materials.
Furthermore, the buoyancy tank is a cuboid.
Furthermore, the buoyancy tank and the heavy body structure are in an I shape. The purpose of designing into "worker" style of calligraphy is to reduce the focus of whole suspension body by a wide margin, reaches the purpose that reduces the suspension body and roll. The required draft of the suspended body can be obtained by adjusting the dimensions of the buoyancy tank and the heavy body structure.
The invention mainly comprises an I-shaped suspension body, a beam on a floating body and trapezoidal buoyancy tanks on two sides of the beam. After being connected with the seabed anchor pier through the anchor chain, the underwater floating anchor is suspended on the water surface.
The working principle is as follows:
under the wave effect, the suspension body inclines to the left, and the left body will go into water this moment, need resist corresponding buoyancy this moment, consequently can reduce the roll range of suspension body by a wide margin. After the trapezoidal floating body on the left side enters water to a certain depth, the floating body has stability, so that rightwards restoring moment can be generated to enable the floating body to rock rightwards to return to the original balance position, the sliding block slides to the left side of the cross beam at the moment, leftwards moment is generated to offset partial restoring moment, the rolling period of the floating body is changed, and the anti-rolling effect is achieved.
When the suspension body returns to the balance position, the suspension body continuously inclines rightwards due to the action of inertia, the trapezoidal floating body on the right side enters water to play a roll reduction effect, and the sliding block finally slides to the right side of the cross beam to offset the leftward restoring moment. Thereby reciprocating.
Three major anti-rolling measures:
the first measure is as follows: the suspension body is designed into an I shape, so that the gravity center of the whole suspension body can be greatly reduced, and the purpose of reducing the rolling of the suspension body is achieved;
and step two: the trapezoidal floating bodies are arranged, so that the contact area between the trapezoidal floating bodies and a water body can be increased, and the anti-rolling effect is improved;
taking the third step: the upper sliding block of the cross beam can freely slide in the slideway, and the anti-rolling effect can be improved.
Compared with the prior art, the floating breakwater with the anti-rolling function has the following advantages:
the floating breakwater with the anti-rolling function adopts the I-shaped suspension body structure form, and combines the cross beam and the trapezoidal floating body on the lower side of the cross beam to form a special-shaped space, so that waves roll, turbulently move, break and the like in the space, the wave energy can be effectively eliminated, and the wave eliminating effect is achieved;
secondly), through three anti-rolling measures, the rolling amplitude of the suspension body can be effectively reduced, meanwhile, the inherent rolling period of the suspension body is also continuously changed by the movement of the sliding block, the resonance probability of waves and the rolling of the suspension body is greatly reduced, the stress of an anchor chain is reduced, and the wind and wave resistance of the suspension body is improved;
thirdly), through properly encrypting and lengthening the cross beam, the wave dissipation effect of the suspension body on long-period waves can be improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a cross-sectional front view of a floating breakwater according to an embodiment of the present invention;
fig. 2 is a top view of a floating breakwater according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of an embodiment of the present invention;
fig. 4 is a schematic view of a floating breakwater according to an embodiment of the present invention under the action of waves.
Description of reference numerals:
1. buoyancy tanks, 2, a heavy body structure, 3, a cross beam, 4, a sliding block, 5, a slideway, 6, a collision pad, 7, a hinge shaft, 8, a floating body, 9, an anchor chain, 10 and an anchor pier.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a floating breakwater with anti-rolling function, includes the suspension body of suspension on the surface of water, fixedly above the suspension body be provided with crossbeam 3, and the part that the suspension body was stretched out at crossbeam 3 both ends forms the cantilever, and the position department of 3 both ends symmetries of crossbeam articulates there is body 8, is equipped with slider 4 that can follow crossbeam 3 removal on the crossbeam 3. The cross beam 3 can be provided with a plurality of channels, and the length of the cantilever can be determined according to wave conditions and the like.
Above-mentioned, the suspension body includes flotation tank 1 and heavy body structure 2, and heavy body structure 2 is fixed to be set up below flotation tank 1, and flotation tank 1 is inside cavity, mainly plays and provides buoyancy, and heavy body structure 2 is solid construction and becomes "vert" shape, mainly plays and provides the action of gravity. The buoyancy tank 1 and the heavy body structure 2 may be cast together in one piece.
The cross beam 3 is of a hollow closed cavity structure, the slide way 5 is arranged in the cross beam 3 along the length direction, the two ends of the slide way 5 are provided with the collision pads 6, and the slide way 5 is internally provided with the slide block 4 which can slide freely.
The middle of the slideway 5 is lower than the two ends. To ensure that the suspension body is in a horizontal state, the slide block 4 is positioned in the middle of the cross beam 3.
Above-mentioned, body 8 is the trapezoidal body, and inside cavity, and body 8's material is rubber, and the bottom of body 8 exposes the surface of water when standing water. The trapezoidal structure is made to increase the contact area between the trapezoidal structure and a water body and improve the anti-rolling effect.
The two ends of the cross beam 3 are downwards provided with hinge shafts 7, and the floating body 8 is connected with the cross beam 3 through the hinge shafts 7. The purpose of the hinge 7 is to keep the floating body 8 in a vertical position when the whole floating body is tilted.
The symmetrical positions on the two sides of the suspension body are connected with a seabed anchor pier 10 through anchor chains 9.
The buoyancy tank 1 and the heavy body structure 2 are both made of concrete material.
The buoyancy tank 1 is a rectangular parallelepiped.
The buoyancy tank 1 and the heavy body structure 2 are I-shaped. The purpose of designing into "worker" style of calligraphy is to reduce the focus of whole suspension body by a wide margin, reaches the purpose that reduces the suspension body and roll. By adjusting the dimensions of the buoyancy tank 1 and the heavy body structure 2, the required draft of the suspended body can be obtained.
The invention mainly comprises a suspension body similar to an I-shaped suspension body, a cross beam 3 on the suspension body and trapezoidal floating bodies 8 on two sides of the cross beam 3. Connected with a seabed anchor pier 10 through an anchor chain 9 and then suspended on the water surface.
The working principle is as follows:
when the wave-shaped floating body is arranged, the length direction of the cross beam 3 is parallel to the direction of the waves, namely the floating bodies 8 at the two ends of the cross beam 3 are arranged, one is close to the waves, and the other is far away from the waves.
Under the wave action, the suspension body inclines to the left, and the left floating body 8 will go into water, and corresponding buoyancy needs to be resisted this moment, so the rolling amplitude of the suspension body can be greatly reduced. After the trapezoidal floating body 8 on the left side enters water to a certain depth, the floating body has stability, rightwards restoring moment can be generated to enable the floating body to rock rightwards to return to the original balance position, the sliding block 4 slides to the left side of the cross beam 3 at the moment, leftwards moment is generated to offset partial restoring moment, the rolling period of the floating body is changed, and the anti-rolling effect is achieved.
When the suspension body returns to the balance position, the suspension body continuously inclines rightwards due to the action of inertia, the trapezoidal floating body 8 on the right side enters water to play a roll-reducing effect, and the sliding block 4 finally slides to the right side of the cross beam 3 to offset the restoring moment leftwards. Thereby reciprocating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A floating breakwater with roll-reducing function, its characterized in that: the suspension body is suspended on the water surface, a cross beam is fixedly arranged on the suspension body, the two ends of the cross beam extend out of the suspension body to form a cantilever, floating bodies are hinged to the symmetrical positions of the two ends of the cross beam, and a sliding block capable of moving along the cross beam is arranged on the cross beam.
2. The floating breakwater having a roll-reducing function according to claim 1, wherein: the suspension body comprises a buoyancy tank and a heavy body structure, the heavy body structure is fixedly arranged below the buoyancy tank, the buoyancy tank is hollow, and the heavy body structure is of a solid structure and is shaped like a T.
3. The floating breakwater having a roll-reducing function according to claim 1, wherein: the crossbeam is a hollow closed cavity structure, a slide way is arranged in the crossbeam along the length direction, two ends of the slide way are provided with collision pads, and a slide block capable of sliding freely is arranged in the slide way.
4. The floating breakwater having a roll-reducing function according to claim 3, wherein: the middle of the slideway is lower than the two ends.
5. The floating breakwater having a roll-reducing function according to claim 1, wherein: the body is the trapezoidal body, and inside cavity, and the material of body is rubber, and the bottom of body exposes the surface of water when standing water.
6. The floating breakwater having a roll-reducing function according to claim 1, wherein: the two ends of the cross beam are provided with hinge shafts downwards, and the floating body is connected with the cross beam through the hinge shafts.
7. The floating breakwater having a roll-reducing function according to claim 1, wherein: the symmetrical positions on the two sides of the suspension body are connected with the seabed anchor piers through anchor chains.
8. The floating breakwater having a roll-reducing function according to claim 2, wherein: the buoyancy tank and the heavy body structure are both made of concrete materials.
9. The floating breakwater having a roll-reducing function according to claim 2, wherein: the buoyancy tank is a cuboid.
10. The floating breakwater having a roll-reducing function according to claim 9, wherein: the floating box and the heavy body structure are in an I shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191484.1A CN110761244B (en) | 2019-11-28 | 2019-11-28 | Floating breakwater with anti-rolling function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191484.1A CN110761244B (en) | 2019-11-28 | 2019-11-28 | Floating breakwater with anti-rolling function |
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| CN110761244A true CN110761244A (en) | 2020-02-07 |
| CN110761244B CN110761244B (en) | 2024-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928651A (en) * | 2023-01-03 | 2023-04-07 | 广东海洋大学 | Wave absorbing device applied to ocean engineering |
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2019
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| BE805143A (en) * | 1972-09-25 | 1974-01-16 | Rafael Johann Dr H C Dipl Ing | DEVICE FOR CUSHIONING THE WAVING MOVEMENT OF AQUATIC WAVES |
| CA1094828A (en) * | 1977-03-18 | 1981-02-03 | Takashi Tsujita | Floating breakwater |
| CN2088082U (en) * | 1990-11-23 | 1991-11-06 | 陈彤 | Universal device to decrease roll of vessel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928651A (en) * | 2023-01-03 | 2023-04-07 | 广东海洋大学 | Wave absorbing device applied to ocean engineering |
| CN115928651B (en) * | 2023-01-03 | 2024-04-09 | 广东海洋大学 | Wave-absorbing device applied to ocean engineering |
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| CN110761244B (en) | 2024-09-17 |
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