CN111455930A - Surge wave elimination device and wave prevention equipment - Google Patents

Abstract

The present application provides a surge wave eliminating device and anti-wave equipment, wherein the surge wave eliminating device includes: an air bag; The second accommodating space, the first accommodating space and the second accommodating space are respectively used to fill fillers with different densities; a first filling port provided on the airbag, the first filling port communicates with the first accommodating space; The second filling port communicates with the second accommodating space.

Description

Surge wave elimination device and wave prevention equipment

technical field

The present application relates to the field of safety equipment, and in particular, to a surge wave eliminating device and anti-wave equipment.

Background technique

The suppression method for water wave disasters is generally to isolate a safe area by setting up barriers or isolation belts. Illustratively, isolation is generally carried out by using denser objects such as sandbags. However, the storage of sandbags is a relatively big problem, and it is relatively inconvenient to use.

SUMMARY OF THE INVENTION

In view of this, the purpose of the embodiments of the present application is to provide a surge wave elimination device and a wave prevention device. It can achieve the effect of suppressing the surge by using the surge wave suppression device in the surge area.

In a first aspect, an embodiment of the present application provides a surge wave eliminating device, including:

airbag;

A partition provided inside the airbag, the partition divides the internal space of the airbag into a first accommodating space and a second accommodating space, the first accommodating space and the second accommodating space are respectively used for filling Fillings with different densities;

a first filling port provided on the airbag, the first filling port communicates with the first accommodating space;

A second filling port is provided on the airbag, and the second filling port communicates with the second accommodating space.

In an optional embodiment, the oppositely disposed first surface and the second surface of the airbag are smooth curved surfaces.

In the surge wave eliminating device provided by the embodiment of the present application, the first surface and the second surface of the airbag can also be set as smooth curved surfaces, which can alleviate the direct impact force between the airbag and the water wave, thereby preventing the water wave from washing away the airbag , to improve the effect of airbag anti-wave and wave elimination.

In an optional embodiment, the smooth curved surface is a wave-shaped curved surface.

In the surge wave eliminating device provided by the embodiment of the present application, the wave-shaped curved surface is similar to the motion curve of the water wave, so that the impact force of the airbag and the water wave can be alleviated, thereby reducing the probability of the airbag being swept away by the water wave, and improving the anti-wave of the airbag. wave-canceling effect.

In an optional embodiment, the wave-shaped curved surface includes a plurality of top surfaces located at the highest position of the wave-shaped curved surface, and a plurality of bottom surfaces located at the lowest position of the wave-shaped curved surface. Coplanar and/or the plurality of bottom surfaces are coplanar.

In the surge wave eliminating device provided by the embodiment of the present application, the multiple top surfaces at the highest point of the wave-shaped curved surface are coplanar, which can make the airbag more stably placed and improve the stability of the airbag.

In an optional embodiment, the smooth curved surface includes a first connecting surface and a second connecting surface that are smoothly connected;

A first hole is provided on the first connecting surface;

A second hole is provided on the second connecting surface;

The first hole and the second hole communicate with each other through a through pipe to form a wave absorbing hole, and the through pipe and the smooth curved surface form the closed first accommodating space.

The surge wave eliminating device provided by the embodiment of the present application may also be provided with wave eliminating holes, so that the wave eliminating effect can be improved.

In an optional implementation manner, a plurality of the wave absorbing holes are uniformly arranged on the smooth curved surface.

In the surge wave eliminating device provided by the embodiment of the present application, a plurality of wave eliminating holes can be evenly arranged, so that wave elimination can be realized evenly, so that the air bag can be evenly stressed, and the probability of the air bag being washed away can be reduced, thereby improving the air bag. The effect of anti-wave and wave elimination.

In an optional embodiment, it also includes:

The connecting piece arranged on at least one side of the airbag is used for connecting with the connecting piece on other surge wave eliminating devices or with the connecting piece arranged on the fixed object.

The surge wave eliminating device provided in the embodiment of the present application may also be provided with a connector, so that the surge wave eliminating device can be more conveniently connected with other equipment, thereby improving the installation effect when the surge wave eliminating device needs to be used .

In an optional embodiment, it also includes:

An anchoring assembly attached to the airbag.

In the surge wave eliminating device provided in the embodiment of the present application, a mooring component may also be provided, so that the surge wave eliminating device can be more conveniently fixed and installed with the surrounding fixed equipment.

In an optional embodiment, the material of the airbag is a foldable material.

In the surge wave eliminating device provided by the embodiment of the present application, the material of the airbag is a foldable material, so that the surge wave eliminating device can be easily accommodated.

In a second aspect, an embodiment of the present application further provides a wave prevention device, including the first aspect or the surge wave eliminating device provided by any one of the implementations of the first aspect;

The surge arresting devices are connected to each other by connecting pieces.

The surge wave eliminating device and anti-wave equipment provided by the embodiments of the present application adopt the structure of an airbag, and divide the airbag into two accommodating spaces, so that the required fillers can be filled in the two accommodating spaces; Compared with placing sandbags on the shore, it can be filled with different fillings in the airbags to achieve airbags of different densities, and the airbags of different densities can float on the water or rest on the shore. Further, when not in use, the airbag can be empty, which is also convenient for storage.

In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the following specific embodiments are given and described in detail in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following drawings will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a surge wave eliminating device provided by an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of a surge wave eliminating device provided by an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a wave prevention device provided by an embodiment of the present application.

Icon: 100-surge wave suppression device; 110-airbag; 111-first filling port; 112-second filling port; 113-first surface; 1131-top surface; 1132-bottom surface; 1133-first connecting surface; 1134-second connection surface; 1135-first hole; 1136-second hole; 1137-through pipe; 1138-wave absorption hole; 114-second surface; .

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the The orientation or positional relationship that is commonly visited when the application product is used is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be It is construed as a limitation of this application.

In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, and may be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The inventor of the present application studied the traditional fixed breakwater and found that the amount of construction materials is proportional to the square of the water depth. Furthermore, the reservoir is a semi-enclosed water area, and the construction of fixed breakwaters around potential landslide sources will have a serious impact on the operation, navigation and ecological balance of the entire reservoir.

In offshore construction and channel improvement projects, there are not only strict requirements for the wave environment, but also the flow velocity of the water has a great impact on the construction. Under this requirement, the inventor of the present application has shown through theoretical and experimental research that most of the wave energy is concentrated in the water body. 90% and 98% of the wave energy is concentrated in the surface layer and in the underwater 2 to 3 times the wave height, respectively. Therefore, if multiple waves are needed for prevention and control, the prevention and control can mainly be carried out on the surface wave and the underwater 2 to 3 times the wave. Therefore, the embodiments of the present application provide a surge wave eliminating device, which adopts a floating wave eliminating structure and can suppress waves. The following description will be given by way of examples.

Example 1

The embodiment of the present application provides a surge wave eliminating device 100 . As shown in FIG. 1 , the surge wave eliminating device 100 in this embodiment may include an airbag 110 .

In this embodiment, as shown in FIG. 2 , a partition layer 120 is provided inside the airbag 110 .

The partition 120 divides the inner space of the airbag 110 into a first accommodating space and a second accommodating space. Wherein, the first accommodating space and the second accommodating space may be respectively used for filling fillers with different densities.

Optionally, the first accommodating space may be filled with gas filler, and the second accommodating space may be filled with liquid filler.

Exemplarily, the first accommodating space may be filled with air, or a substance with a density difference from the air within a specified range. The second holding space can be used to fill with water, or a substance with a density difference from water within a specified range. The above specified range may be [0,x]. The value of x can be set as required, for example, x can be a value such as 1, 2.5, 3, 5, 7, and 9.

In one example, the first containing space and the second containing space may be filled with a fluid substance.

In this embodiment, the airbag 110 is provided with a first filling port 111 . The first filling port 111 communicates with the first accommodating space. Before use, the first accommodating space can be filled with filler through the first filling port 111 .

In this embodiment, the airbag 110 is provided with a second filling port 112 . The second filling port 112 communicates with the second accommodating space. Before use, the first accommodating space can be filled with the second filling port 112 .

In one example, the surge arrester 100 is used for surge protection. Before use, the first accommodating space can be filled with air through the first filling port 111 ; the second accommodating space can be filled with water through the second filling port 112 . In use, since the second accommodating space is filled with water, the second accommodating space can be submerged in water, and since the first accommodating space is filled with air, the first accommodating space can float on the water. By submerging the second accommodating space in water, the surge wave eliminating device 100 can be more stable when eliminating waves, and the probability of being washed away by waves can be reduced.

In order to facilitate the storage of the surge wave eliminating device 100 . In this embodiment, the material of the airbag 110 is a foldable material. Exemplarily, the material of the airbag 110 may be PVC (polyvinyl chloride, polyvinyl chloride), EVA (EthyleneVinyl Acetate Copolymer, ethylene-vinyl acetate copolymer) or the like.

Optionally, the material of the partition 120 of the surge wave eliminating device 100 is also a foldable material. Optionally, the material of the above-mentioned partition layer 120 may be the same material as that of the airbag 110 . Of course, the material of the partition layer 120 may also be a material different from that of the airbag 110 .

In an optional embodiment, the oppositely disposed first surface 113 and the second surface 114 of the airbag 110 are smooth curved surfaces.

In one example, when in use, the above-mentioned first surface 113 may be an upper surface exposed above, and the second surface 114 may be a lower surface contacting the ground.

In this embodiment, the above-mentioned smooth curved surface may be an uneven smooth curved surface having wave crests and wave troughs.

Optionally, as shown in FIG. 1 , the above-mentioned first surface 113 may be a wavy curved surface. The above-mentioned second surface 114 may also be a wave-shaped curved surface.

In this embodiment, by setting both the first surface 113 and the second surface 114 as wavy curved surfaces, when the surge wave eliminating device 100 is placed on the water surface, the upper and lower surfaces of the surge wave eliminating device 100 can be It is similar to the trend of wave activity, so that the direct impact of the surge wave eliminating device 100 with waves can be reduced, so that the stability of the surge wave eliminating device 100 can be improved.

As shown in FIG. 1 , the wave-shaped curved surface presented by the first surface 113 includes a plurality of top surfaces 1131 located at the highest point of the wave-shaped curved surface. Optionally, the plurality of top surfaces 1131 of the wave-shaped curved surface may be coplanar.

In this embodiment, the wave-shaped curved surface presented by the first surface 113 includes a plurality of bottom surfaces 1132 located at the lowest position of the wave-shaped curved surface. Optionally, the plurality of bottom surfaces 1132 of the wave-shaped curved surface may also be coplanar.

In this embodiment, as shown in FIG. 1 , the smooth curved surface of the first surface 113 or the second surface 114 may include a first connection surface 1133 and a second connection surface 1134 that are smoothly connected.

Wherein, as shown in FIG. 2 , the first connection surface 1133 is provided with a first hole 1135 , and the second connection surface 1134 is provided with a second hole 1136 . Each of the second holes 1136 may be disposed corresponding to one of the first holes 1135 . Optionally, a cylindrical generatrix formed by the second hole 1136 and its corresponding first hole 1135 may be parallel to the sides of the airbag 110 that are perpendicular to the first surface 113 and the second surface 114 .

In this embodiment, the first hole 1135 is communicated with the second hole 1136 corresponding to the first hole 1135 through a through pipe 1137 to form a wave-eliminating hole 1138 . In this embodiment, the through pipe 1137 and the smooth curved surface form the closed first accommodating space.

Illustratively, the aforementioned through-tube 1137 may be integrally formed with the outer shell of the airbag 110 forming the first surface 113 .

In this embodiment, by disposing the wave breaking holes 1138 , when the water waves hit the surge wave breaking device 100 , the water waves can be relieved after passing through the wave breaking holes 1138 . Further, since the water waves can flow through the wave breaking holes 1138, the impact force of the water waves and the surge wave breaking device 100 is smaller, thereby reducing the probability of the surge wave breaking device 100 being washed away.

In one embodiment, a plurality of the first holes 1135 are evenly arranged on the first connecting surface 1133 , and a plurality of second holes 1136 corresponding to the plurality of first holes 1135 are evenly arranged on each second connecting surface 1134 , Each first hole 1135 is communicated with the second hole 1136 corresponding to the first hole 1135 through a through pipe 1137 .

Through the above arrangement, it can be achieved that a plurality of wave elimination holes 1138 are evenly arranged on the smooth curved surface.

In this embodiment, the wave elimination holes 1138 are evenly arranged on the airbag 110 , so that the water waves can be relieved relatively uniformly after passing through the wave elimination holes 1138 . Further, since the wave breaking holes 1138 are evenly arranged on the airbag 110, the water waves can also impact the airbag 110 relatively uniformly, thereby reducing the impact force on one side is large and the impact force on the other side is small. As a result, the position of the surge wave eliminating device 100 is slanted and tilted, resulting in the situation that the wave cannot be eliminated stably.

The surge wave eliminating device 100 in this embodiment may further include: a connecting member 130 disposed on at least one side surface of the airbag 110 . The connector 130 on one side of the airbag 110 can be used with the connector 130 on other surge arresters 100 . The connecting piece 130 on one side of the airbag 110 can also be used for connecting with the connecting piece 130 provided on the fixed object.

Optionally, the airbag 110 may include a first side and a second side that are parallel to each other. Illustratively, the first side may be perpendicular to the first surface 113 and the second surface 114 of the airbag 110 .

Illustratively, the second side surface may also be perpendicular to the first surface 113 and the second surface 114 of the airbag 110 .

Optionally, the aforementioned connector 130 may be a snap connector 130 .

In one embodiment, the above-mentioned connecting member 130 may include a plurality of components, including: a chain, a buckle, and a buckle connected to the chain. Exemplarily, the buckle may be disposed on the first side of the airbag 110, one end of the chain is connected with the second side of the airbag 110, and the other end of the chain is connected with the buckle.

In another embodiment, the above-mentioned connecting member 130 may include a plurality of components, including: a chain, and a buckle connected with the chain. Exemplarily, one end of the chain is connected with the first side surface of the airbag 110, and the other end of the chain is connected with the buckle.

Optionally, the aforementioned connector 130 may be a connector formed by a bolt and a nut.

In one embodiment, the connector 130 may include: bolts, nuts, and chains. Exemplarily, a bolt may be provided on the first side of the airbag 110, one end of the chain is connected with the second side of the airbag 110, and the other end of the chain is connected with a nut. Among them, in this example, the inner thread of the bolt is matched with the outer thread of the nut.

Optionally, the above-mentioned connecting member 130 may also be any other structure capable of realizing connection.

In this embodiment, as shown in FIG. 3 , the surge wave eliminating device 100 may further include: a mooring assembly 140 connected to the airbag 110 .

Optionally, the above-mentioned mooring assembly 140 may also be a chain assembly. For example, the mooring assembly 140 may be a mooring chain.

Illustratively, the length of the chain mooring assembly may be longer than the length of the chain link. Illustratively, the length of the chain mooring assembly may be 2m, 1.5m, 3m, 4m, etc. lengths.

Optionally, the chain mooring assembly can also be detachably connected by a plurality of chains, so as to meet the installation requirements of different scenarios.

Optionally, the chain anchoring assembly is detachably connected to the connecting piece 130 installed on one side of the airbag 110 . Illustratively, the chain mooring assembly may be connected to a buckle mounted on one side of the airbag 110 .

In this embodiment, the above-mentioned mooring assembly can be connected with the surrounding fixed connectors, so as to play a fixed role on the surge wave eliminating device 100 .

In one example, the position of the surge arrester 100 on the water surface can be adjusted by the mooring assembly 140 .

In a usage scenario, the surge wave eliminating device 100 in this embodiment can be used for flood control, and the surge wave eliminating device 100 is placed on the edge of a river or a lake to form a safety barrier. At this time, both the first accommodating space and the second accommodating space may be filled with substances with a relatively high density. Exemplarily, the first accommodating space and the second accommodating space may be filled with water, or a fluid filling that is denser than water. Optionally, the first accommodating space and the second accommodating space may also be filled with solid fillers such as sand and gravel that are easily filled with small particles. During installation, the mooring assembly 140 of the swell and wave absorbing device 100 can be used to connect the swell and wave absorbing device 100 to fixed connecting pieces such as fixed piles at the edge of the river and the edge of the lake, so that the swell and wave absorbing device 100 can be stably installed on the edge of the river. , the edge of the lake.

In another usage scenario, the surge wave eliminating device 100 in this embodiment can be used in an area prone to high tide and low tide, so as to form a safety barrier and relieve the tide of high tide. For example, the swell breaker 100 may be placed on the edge of a shallow sea. At this time, the first accommodating space may be filled with a gas filling, and the second accommodating space may be filled with a liquid filling having a density greater than that of the gas filling. Exemplarily, the first accommodating space may be filled with air, and the second accommodating space may be filled with ordinary water or seawater. In this usage scenario, the first accommodating space can be filled with gas fillers, so that part of the first accommodating space can float on the water surface, which can provide a buffer to the waves; the second accommodating space can be filled with gas fillers with a density ratio higher than Therefore, the second accommodating space part can be embedded in the water surface, so that the second accommodating space part can be stably located on the water, so that the stability of the surge wave breaking device 100 is better. During installation, the mooring assembly 140 of the swell and wave absorbing device 100 can be used to connect the swell and wave absorbing device 100 to the connecting member disposed on the edge of the shallow sea, so that the swell and wave absorbing device 100 can be stably installed on the edge of the shallow sea.

In another usage scenario, the surge wave eliminating device 100 in this embodiment can be used around a ship to form a safety barrier for the ship and improve the safety of the ship. At this time, the first accommodating space may be filled with a gas filling, and the second accommodating space may be filled with a liquid filling having a density greater than that of the gas filling. Exemplarily, the first accommodating space may be filled with air, and the second accommodating space may be filled with water, seawater or lake water.

Optionally, a plurality of surge arresting devices 100 can be connected together through the connecting member 130 on the airbag 110, so that a wider range of safety barriers can be formed.

With the surge wave eliminating device provided in this embodiment, a safety barrier can be formed where there are waves, thereby reducing the impact of the waves on the surrounding environment and people, and improving the safety of the surrounding environment where there are waves.

Further, after the second accommodating space of the airbag 110 is filled with liquid filler, the surge wave eliminating device 100 can be semi-floated on the water surface, which can block the wave diffraction and make the waves bounce back; The wave-shaped airbag structure and the wave-absorbing holes on the airbag transform the regular trajectory motion of the wave particles into a chaotic turbulent energy-dissipating motion, further weakening the wave amplitude, thereby playing a wave-absorbing effect, which can effectively block the impact of waves, Ultimately, it can reduce the wave crest and wave energy, and reduce the disaster caused by the surge to the protection area.

Embodiment 2

The embodiments of the present application provide a wave prevention device. As shown in FIG. 3 , the anti-wave device in this embodiment includes: a plurality of surge wave eliminating devices 100 .

In this embodiment, each surge wave eliminating device 100 is connected to each other through the connecting member 130 .

Exemplarily, the connecting member 130 of the above-mentioned surge wave eliminating device 100 may be the connecting member 130 fixedly disposed on the side surface of the airbag 110 .

Exemplarily, the connector 130 of the above-mentioned surge wave eliminating device 100 may also be a connector 130 externally connected to the airbag 110 .

The surge wave eliminating device 100 and the anti-wave device provided by the embodiments of the present application adopt the structure of the airbag 110 and divide the airbag 110 into two accommodating spaces, so that the two accommodating spaces can be filled with required fillers; Compared with only placing sandbags on the shore, it can be filled into airbags 110 with different densities by filling the airbags 110 with different fillers, and the airbags 110 with different densities can float on the water or rest on the shore. side. Further, when not in use, the airbag 110 can be empty, which is convenient for storage.

The following describes the use process of the surge wave eliminating device 100 according to the embodiment of the present application through some examples.

Placement process: after assembling the multiple surge and wave eliminating devices 10 on the shore or on the ship, inflate the first accommodating space of the airbag 110 and the second accommodating space with water, and gradually put the multiple surge and wave eliminating devices 10 into the into the water, and control the height and regional position of the plurality of surge and wave breaking devices 10 on the water surface through the anchor chain.

Use process: use the vertical height of multiple surge wave eliminating devices 10 to block the wave diffraction, so that the waves are reflected; then use the wave-type row body structure of the multiple surge wave eliminating devices 10 and the wave elimination on the row The hole will weaken the wave amplitude twice, and finally play the role of reducing the wave crest (energy) and reduce the disasters caused by the swell to the reservoir area.

Dismantling process: the water in the second accommodating space of the airbags 110 of the plurality of swell wave eliminating devices 10 can be drained by a pump, and the plurality of swell wave eliminating devices 10 can be hoisted to the shore or ship as a whole, and then the swell wave eliminating devices 10 can be hoisted in sequence. The components of the wave elimination device 10 are disassembled.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A surge wave-absorbing device is characterized by comprising:

an air bag;

the partition layer is arranged inside the air bag and divides the inner space of the air bag into a first accommodating space and a second accommodating space, and the first accommodating space and the second accommodating space are respectively used for filling fillers with different densities;

a first filling port provided on the airbag, the first filling port communicating with the first accommodation space;

a second filling port provided on the airbag, the second filling port communicating with the second accommodating space.

2. The surge suppressor of claim 1, wherein the oppositely disposed first and second surfaces of the bladder are smoothly curved.

3. The surge suppressor of claim 2, wherein the smooth curved surface is a wavy curved surface.

4. The surge suppressor of claim 3, wherein the undulating surface comprises a plurality of top surfaces located at the highest of the undulating surface and a plurality of bottom surfaces located at the lowest of the undulating surface, the plurality of top surfaces being coplanar and/or the plurality of bottom surfaces being coplanar.

5. The surge suppressor of claim 2, wherein the smoothly curved surface comprises a first connecting surface and a second connecting surface that are smoothly connected;

a first hole is arranged on the first connecting surface;

a second hole is formed in the second connecting surface;

the first hole is communicated with the second hole through a through pipe to form a wave elimination hole, and the through pipe and the smooth curved surface form a closed first accommodating space.

6. The surge wave attenuation device of claim 5, wherein a plurality of the wave attenuation holes are uniformly arranged on the smooth curved surface.

7. The surge suppressor of claim 1, further comprising:

and the connecting piece is arranged on at least one side surface of the air bag and is used for being connected with the connecting piece on other surge wave absorbing devices or the connecting piece arranged on a fixed object.

8. The surge suppressor of claim 1, further comprising:

a mooring assembly connected to the balloon.

9. The surge suppressor of claim 1, wherein the bladder is formed of a foldable material.

10. An anti-wave device, comprising: a plurality of the surge damping devices of any one of claims 1-9;

the surge wave-absorbing devices are connected with each other through connecting pieces.

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