A waterborne float and a float unit

Abstract

The embodiment of the application provides a water floating body and a floating body unit, the water floating body comprising: a floating main body; a first pull ear and a second pull ear arranged at two ends of the floating main body, the first pull ear and the second pull ear comprising: a first sub-board and a second sub-board, the first sub-board and the second sub-board are both provided with a connecting hole, and the horizontal height of the first sub-board and the second sub-board is different by a predetermined distance; wherein the first pull ear and the second pull ear are symmetric along the center of the floating main body. The application adopts the structure that the pull ears are mutually inserted and the structure that the bolts are mutually matched, so that the service life of the pull ear is improved.

Description

Technical Field

[0001] This application relates to the field of photovoltaic technology, and in particular to a floating body and a floating body unit. Background Technology

[0002] Solar energy is a clean energy source. Using photovoltaic (PV) power plants to directly convert solar energy into electricity is a highly efficient way to utilize solar energy. Floating PV refers to building PV power plants on idle water surfaces. Floating PV power plants have many advantages, such as not occupying land resources, reducing water evaporation, and avoiding algae growth, and have broad development prospects.

[0003] Currently, floating photovoltaic power stations often use multiple interconnected floating bodies to provide buoyancy for photovoltaic products. However, traditional connection methods often result in loose connections between adjacent floating bodies, causing stress concentration in localized areas and leading to damage due to excessive force on those areas. Furthermore, the uneven stress distribution caused by the loose connections between multiple floating bodies makes it impossible for pedestrians to walk steadily on the floating bodies. Summary of the Invention

[0004] To address the technical problems existing in the prior art, a floating body is proposed, comprising: a floating main body; a first pull lug and a second pull lug disposed at both ends of the floating main body, wherein the first pull lug and the second pull lug each include: a first sub-plate and a second sub-plate, both the first sub-plate and the second sub-plate are provided with connecting holes, and the horizontal heights of the first sub-plate and the second sub-plate differ by a predetermined distance; wherein the first pull lug and the second pull lug are symmetrical about the center of the floating main body.

[0005] The floating body described above further includes: a first protrusion and a second protrusion, the first protrusion being disposed on the upper surface of the first sub-plate and the second protrusion being disposed on the lower surface of the second sub-plate.

[0006] As described above, in the floating body, the difference in horizontal height between the first sub-plate and the second sub-plate is slightly greater than the thickness of the first lug.

[0007] As described above, in the floating body, a connecting plate is provided between the first sub-plate and the second sub-plate, and the length of the connecting plate is less than the length of the first sub-plate and the second sub-plate, respectively.

[0008] The floating body described above further includes: one or more limiting grooves, which are longitudinally disposed on the upper surface of the floating body for accommodating connectors.

[0009] As described above, the floating body has a third pull lug and a fourth pull lug on each side of the main body, and the third pull lug and the fourth pull lug are respectively provided with corresponding limiting grooves.

[0010] As described above, the floating body has one or more non-penetrating cavities on its lower surface, and the cavities are cylindrical or frustum-shaped.

[0011] As described above, the floating body is a hollow box structure, and the material of the floating body includes HDPE material.

[0012] As described above, the floating body has reinforcing ribs evenly distributed around the connecting holes.

[0013] According to another aspect of this application, a floating body unit is proposed, comprising: a floating body as described above, wherein adjacent floating bodies are connected end-to-end by a first lug and a second lug; wherein, when adjacent floating bodies are connected, the first sub-plate of the rear floating body is located above the second sub-plate of the front floating body and is in close contact with each other, and the second sub-plate of the rear floating body is located below the first sub-plate of the front floating body and is in close contact with each other, forming an interlocking structure in the vertical direction; and bolts are used to simultaneously pass through the connecting holes of the front and rear floating bodies to restrict their separation in the horizontal direction.

[0014] This application employs a structure combining interlocking lugs and bolts to increase the contact area between the lugs, distribute stress, prevent stress concentration that could damage the lugs, and extend the service life of the float unit. By using a pin structure, when a pedestrian steps on a float, the adjacent float will also be stressed, preventing localized indentation and ensuring stable walking. Furthermore, the tight fit between the lugs reduces the stress on the bolts and nuts, increasing the bolt's service life. Attached Figure Description

[0015] The preferred embodiments of this application will now be described in further detail with reference to the accompanying drawings, wherein:

[0016] Figure 1 This is a schematic diagram of the structure of a floating body according to an embodiment of this application;

[0017] Figure 2 This is a side view of the floating body according to an embodiment of the application;

[0018] Figure 3 This is a schematic diagram of the bottom structure of a floating body according to an embodiment of this application;

[0019] Figure 4 This is a schematic diagram of the structure of a floating body according to another embodiment of this application;

[0020] Figure 5 This is a schematic diagram of the structure of a floating body unit according to an embodiment of this application;

[0021] Figure 6This is a schematic diagram of the structure of a semi-flexible floating body array according to an embodiment of this application; and

[0022] Figure 7 This is a schematic diagram of the usage state structure of a semi-flexible floating body array according to an embodiment of this application. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] In the following detailed description, reference can be made to the accompanying drawings, which form part of this application and illustrate specific embodiments of the present application. In the drawings, similar reference numerals describe substantially similar components in different figures. Specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to implement the technical solutions of the present application. It should be understood that other embodiments may also be utilized, or structural, logical, or electrical changes may be made to the embodiments of the present application.

[0025] Figure 1 This is a schematic diagram of the structure of a floating body according to an embodiment of this application. Figure 1 As shown, the floating body 100 includes a floating main body 110, a first pull lug 120, and a second pull lug 130, which are respectively disposed at both ends of the floating main body 110. The floating main body 110 can be a hollow box, which is integrally molded, and the material of the floating main body 110 includes HDPE material. Using HDPE material has advantages such as environmental friendliness and long service life. In one embodiment, the length of the floating body is 2000mm-3000mm, the width is 400mm-500mm, and the height is 200mm-250mm. The floating body is used to support photovoltaic products, so the length of the floating body can be adjusted according to the size of the photovoltaic products to accommodate various photovoltaic products.

[0026] Both the first lug 120 and the second stop include a first sub-plate 121 and a second sub-plate 122, with their horizontal heights differing by a predetermined distance. The first lug 120 and the second lug 130 are symmetrical about the center of the floating body 110. This central symmetry means that, in the forward-looking direction, the first sub-plates 121 and 122 in the first lug 120 are lower in the front and higher in the back, while the first sub-plates and second sub-plates in the second lug 130 are higher in the front and lower in the back, thus complementing each other in vertical height.

[0027] When multiple floating bodies 100 are connected end-to-end, the first lug 110 of the front floating body 100 and the second lug 130 of the rear floating body 100 interlock, causing them to overlap horizontally and clamp each other, increasing the contact area of ​​the connection and improving both connection stability and service life of the floating bodies. Both the first sub-plate 121 and the second sub-plate 122 are provided with connecting holes 123 for bolt connection when the connecting holes 123 on the two floating bodies 100 are in the same vertical direction. Using bolts passing through the connecting holes on both floating bodies 100 simultaneously prevents them from separating due to floating on the water surface.

[0028] According to one embodiment of this application, one or more limiting grooves 140 are formed on the upper surface of the floating body 110. The limiting grooves 140 are longitudinally arranged on the floating body 110 to accommodate connecting parts. Further, a third pull lug 150 and a fourth pull lug 160 are also provided at corresponding positions of the limiting grooves 140, and the third pull lug 150 and the fourth pull lug 160 are respectively provided on both sides of the floating body 110. Both the third pull lug 150 and the fourth pull lug 160 are provided with connecting holes, which can be fixedly connected with the fixing holes on the connecting parts to prevent relative movement between the connecting parts and the floating body. The longitudinal arrangement of the limiting grooves 140 on the floating body 110 helps to reduce the contact area between the connecting parts and the floating body 100, increasing the number of parts simultaneously connected to the connecting parts, thereby enabling it to withstand greater pressure and improve load-bearing capacity. Preferably, two limiting grooves 140 are provided on the upper surface of the floating body 110, and are symmetrically arranged along the middle position of the floating body 110, making the force distribution more uniform. Furthermore, the number of the third pull lug 150 and the fourth pull lug 160 is consistent with the number of the limiting groove 140.

[0029] According to one embodiment of this application, the upper surface of the floating body 110 is provided with anti-slip texture 170, which can be set as mesh-like concave lines perpendicular to each other at 45 degrees and 135 degrees. The mesh-like concave lines protrude relatively from the upper surface of the floating body, which helps to increase the friction of the upper surface of the floating body and enhance the aesthetics of the main float; at the same time, it also facilitates drainage and sewage discharge, discharging external rainwater, silt, etc. to the outside of the floating body, avoiding increasing the weight of the floating body, thereby reducing the buoyancy of the floating body.

[0030] According to one embodiment of this application, the side of the floating body 110 is provided with a plurality of grooves 180 in the vertical direction. The grooves 180 can improve the rigidity of the main float, provide the load-bearing capacity of the upper surface of the float, and increase the float's ability to resist deformation under force.

[0031] Figure 2 This is a side structural diagram of a floating body according to an embodiment of the application. Figure 2As shown, the upper surface of the first sub-plate 121 is provided with a first protrusion 124, and the lower surface of the second sub-plate 122 is provided with a second protrusion 125. The first protrusion 124 and the second protrusion 125 can increase the strength of the first ear plate 121 and the second ear plate 122. When the water surface is fluctuating, it is not easy for local deformation to occur, thus improving the service life. In addition, the top-bottom design makes the stress distribution more even.

[0032] According to one embodiment of this application, a connecting plate 126 is provided between the first sub-plate 121 and the second sub-plate 122. The length of the connecting plate 126 is less than the lengths of the first sub-plate 121 and the second sub-plate 122, respectively. The connecting plate 126 connects the first sub-plate 121 and the second sub-plate 122, allowing them to share the load and improving their service life. Furthermore, the shorter length of the connecting plate 126 compared to the lengths of the first sub-plate 121 and the second sub-plate 122 prevents overlap with other parts in space, solving the problem of incomplete connection between the two.

[0033] According to one embodiment of this application, the horizontal height difference D between the first sub-plate 120 and the second sub-plate 122 is slightly greater than the thickness S of the first pull lug. In one embodiment, the difference between the horizontal height difference D of the first sub-plate 120 and the second sub-plate 122 and the thickness S of the first pull lug is 1mm-3mm, preferably 2mm. When two adjacent floating bodies are joined end-to-end, the horizontal height difference structure of the first sub-plate 120 and the second sub-plate 122 allows the lugs of the two floating bodies to overlap and clamp each other in space, forming an interlocking structure in the vertical direction, increasing the bonding force and facilitating the distribution of force. Therefore, if the horizontal height difference D of the first sub-plate 120 and the second sub-plate 122 differs significantly from the thickness S of the first pull lug, the interlocking structure cannot be formed. Therefore, the horizontal height difference D and the thickness S of the first pull lug should be the same, or, considering factors such as error, the smaller the difference, the better.

[0034] Figure 3 This is a schematic diagram of the bottom structure of a floating body according to an embodiment of this application. Figure 3 As shown, the first pull lug 120, the second pull lug 130, the third pull lug 150 and the fourth pull lug 160 are all provided with connecting holes 123. Reinforcing ribs are evenly distributed around the connecting holes 123, which can increase the strength of the pull lugs, improve the tensile strength, and make the connection between the floating bodies 100 more stable.

[0035] According to one embodiment of this application, the lower surface of the floating body 110 is provided with one or more non-penetrating cavities 190, the shape of which includes a cylinder or a frustum. Designing the cavity 190 as a frustum helps to distribute the force on the upper surface of the floating body 110, increasing the load-bearing capacity of the floating body 110. The bottom surface of the cavity 190 is the top surface of the floating body 110. When the floating body 100 is placed on the water surface, water enters the cavity 190. When pressure is applied to the upper surface of the floating body, the force is distributed, avoiding the problem of indentation at the stress point. (Reference) Figure 3 Four cavities are evenly distributed on the bottom surface of the floating body 100. Those skilled in the art will understand that the number of cavities 190 can be adjusted according to the area of ​​the bottom surface of the floating body 110, and is not limited herein.

[0036] Figure 4 This is a structural schematic diagram of a floating body according to another embodiment of this application. Figure 4 As shown, the structure of the floating body 200 is largely the same as that of the floating body 100 described above, and will not be repeated here. The floating body 200 differs from the floating body 100 in size; its length is 50mm-120mm, while its width and height are the same. In a floating body array, the floating body 200 can serve as a support to provide buoyancy. The flexible adjustment of the floating body's dimensions allows it to be adapted to various scenarios while saving materials and reducing costs.

[0037] Figure 5 This is a schematic diagram of the structure of a floating body unit according to an embodiment of this application. Figure 5 As shown, the floating unit 300 consists of multiple floating bodies connected end to end. (Reference) Figure 5 For example, when the floating body 100 and the floating body 200 are connected to each other by the first pull lug 120 and the second pull lug 130, the principle of the pin is adopted, so that the first sub-plate of the floating body 200 is located above the second sub-plate of the floating body 100 and they are close to each other, and the second sub-plate of the floating body 200 is located below the first sub-plate of the floating body 100 and they are close to each other, forming an interlocking structure in the vertical direction, increasing the contact area between the pull lugs.

[0038] When the first lug 120 and the second lug 130 are inserted into each other, their connecting holes coincide in the vertical direction. A bolt (not shown) passes through both connecting holes simultaneously, preventing them from separating in the horizontal direction. A gap exists between the bolt and the connecting hole in the horizontal and / or vertical directions, forming a semi-flexible connection. According to one embodiment of this application, the first lug 120 and the second lug 130 are made of the same material, allowing for small-amplitude deformation without damaging the original structure.

[0039] This application employs a structure with interlocking lugs and bolts, which has the following advantages:

[0040] • Increase the contact area between the lugs to distribute the stress, avoid stress concentration that could damage the lugs, and improve the service life of the float unit;

[0041] • By using a pin structure, when a pedestrian steps on a certain floating body, the adjacent floating body will also be stressed, avoiding local indentation and ensuring that the pedestrian walks smoothly.

[0042] A tight fit between the lugs reduces the stress on the bolt and nut, thus extending the bolt's lifespan.

[0043] Multiple floating bodies connected together, combined with other components, can form a semi-flexible floating body array. This array consists of a square array of floating bodies and one or more connecting components. A semi-flexible floating body array connects multiple floating bodies by using bolts that pass through the connecting holes of adjacent floating bodies, leaving gaps so that each floating body can float with the waves within a certain range. Furthermore, rigid connecting components provide additional restraint, making the array semi-flexible. A flexible floating body array, on the other hand, uses only the floating bodies for connection without the restraint of connecting components, allowing for greater movement with the water surface.

[0044] The floating array can be formed by connecting multiple floating bodies end to end. Adjacent floating bodies are clamped together vertically by the first and second lugs to form an interlocking structure. Bolts are used to pass through the connecting holes on two adjacent floating bodies simultaneously to prevent them from separating in the horizontal direction. One or more connecting components are set in the limiting groove and fixedly connected to the third and fourth lugs set on both sides of the floating bodies.

[0045] The floating array of this application is placed on the water surface, relying on multiple floating bodies at the edge of the array for buoyancy. No additional floating bodies are placed inside the array. Connecting components are erected on the floating array, with their central parts suspended above the water surface. Photovoltaic modules can be directly installed on these connecting components. As can be seen, using multiple floating bodies and connecting components reduces the number of floating bodies used, significantly lowering the material cost of the floating array, reducing assembly time, and improving assembly efficiency. Furthermore, the semi-flexible connection between the floating bodies allows for slight wave-dependent movement, extending the lifespan of the floating array.

[0046] To further enhance the load-bearing capacity of the floating array, the array was redesigned, increasing the number and variety of floating bodies to provide greater load-bearing capacity and maximize their effectiveness. The specific plan is as follows:

[0047] Figure 6 This is a schematic diagram of the structure of a semi-flexible floating body array according to an embodiment of this application. Figure 6 As shown, the semi-flexible floating body array 300 is formed by connecting multiple floating bodies 100 and 200 to form a floating body array. Specifically, the floating body array includes multiple first baffles 310 and multiple second baffles 320 respectively arranged opposite to each other. The first baffles 310 and the second baffles 320 enclose the floating body array, which includes a water surface without any floating bodies located within it. The water surface without floating bodies means that no floating bodies are placed inside the floating body array. The first baffle 310 is formed by connecting multiple floating bodies 100 end to end. Adjacent floating bodies 100 in the first baffle 310 form an interlocking structure in the vertical direction using first and second lugs. Bolts are used to pass through the connecting holes on two adjacent floating bodies simultaneously, preventing them from separating in the horizontal direction.

[0048] In one embodiment, when a bolt passes through the connecting holes on two adjacent floating bodies 100 simultaneously, there is a gap between the bolt and the connecting hole in the horizontal and / or vertical directions. This gap in the horizontal and / or vertical direction allows for a semi-flexible connection between the floating bodies, preventing excessive stress concentration at the connection point during water movement and thus reducing service life. Furthermore, by combining this with the predetermined horizontal height difference between the first and second sub-plates in the first lug of the floating body 100, an interlocking structure is achieved, further improving the service life of the lug by increasing the contact area.

[0049] According to one embodiment of this application, adjacent floating bodies 200 in the second baffle 320 are fixedly connected to the third and fourth lugs on the floating bodies 200 respectively using connecting components 330. The connecting components 330 are disposed in the limiting grooves of the parallel floating bodies 200, connecting multiple floating bodies 200 in series. The multiple floating bodies are spaced a certain distance apart and connected by the connecting components 330. Multiple first baffles 310 and multiple second baffles 310 arranged opposite to each other form a floating body array. Specifically, two first baffles 310 are spaced a predetermined distance apart and arranged parallel to each other; two second baffles 320 are spaced a predetermined distance apart, arranged parallel to each other, and fixedly connected to the two first baffles 310 respectively, forming a floating body array perpendicular to each other. Connecting multiple parallel floating bodies 320 in series using the connecting components 330 to form the second baffle 320 increases the number of floating bodies 200, thereby increasing the load-bearing capacity and improving the stability of the floating body array.

[0050] refer to Figure 6Four parallel connecting components 330 are longitudinally erected on the two first retaining edges 310 to support the photovoltaic modules. The four connecting components are divided into two groups, each group supporting one row of photovoltaic modules, with each row containing 1-6 modules. Each connecting component 330 includes a U-shaped beam with multiple fixing holes at its bottom for bolt connection to third and / or fourth lugs. The U-shaped beam, as a photovoltaic support material, is used in conjunction with a floating body in a floating array, offering advantages such as convenient procurement and transportation, and reduced construction costs. The U-shaped beam acts as a connecting element, its lower part connected to the floating body via stainless steel bolts, and its upper part connected to the supporting components, allowing the supporting components to float on the water surface.

[0051] Although the combination of the first baffle 310 and the second baffle 320 increases the number of floating bodies, the semi-flexible floating body array still uses 25% fewer floating bodies than a fully flexible floating body array, thus reducing operating costs. Furthermore, when the distance between the two first baffles 310 is too long, a parallel baffle can be added between them to prevent the connecting assembly 330 from deforming due to excessive pressure.

[0052] According to one embodiment of this application, the semi-flexible floating array 300 further includes a floating channel 340, which is fixedly connected to the floating array and serves to support electrical equipment and / or provide a passage for pedestrians. The electrical equipment includes low-voltage cables, inverters, etc. The floating channel 340 can be located in the middle of the floating array or on one side of the floating array. When an inverter is installed on the floating channel 340, it will be electrically connected to the photovoltaic products on the floating array via low-voltage cables. In this case, the location of the floating channel 340 can be designed to shorten the length of the low-voltage cables, thus saving costs.

[0053] The floating channel 340 includes multiple parallel floating bodies 100, which are fixedly connected to each other using one or more connecting components 330. Both the floating channel 340 and the second retaining edge 320 can serve as maintenance passages for pedestrians or as cable channels. When cables are installed on the floating channel 340 or the second retaining edge 320, cable boxes are first fixed to the floating channel 340 or the second retaining edge 320, and the cables are then placed inside the cable boxes to avoid interfering with pedestrian traffic.

[0054] According to one embodiment of this application, the semi-flexible floating body array 300 further includes a support component 350, which is disposed on the connecting component for supporting the photovoltaic modules. The support component 350 includes a first bracket 351 and a second bracket 352, wherein the length of the first bracket 351 is greater than the length of the second bracket 352. Mounting the photovoltaic modules on the support component 350 allows them to be raised a certain distance above the water surface, preventing waves from impacting the photovoltaic modules. The greater length of the first bracket 351 than the second bracket 352 allows the photovoltaic modules to be tilted on the floating body array 300, increasing the contact area between the photovoltaic modules and sunlight.

[0055] Figure 7 This is a schematic diagram of the usage state of a semi-flexible floating body array according to an embodiment of this application. Figure 7 As shown, the semi-flexible floating body array 300 also includes an anchoring assembly 360. Photovoltaic products 370 are mounted on the supporting assembly; these products can be solar panels used to convert light energy into electrical energy. The anchoring assembly 360 includes multiple anchor blocks 361 and multiple anchor ropes 362. The anchor blocks 361 are fixed to the perimeter of the floating body array via the anchor ropes 362. The anchor blocks 361 provide resistance to horizontal forces and are connected to the floating body array via the anchor ropes 362, ensuring that the horizontal displacement of the floating body array meets design requirements under the influence of wind and waves.

[0056] In one embodiment, the positions of multiple anchor blocks can be adjusted according to the direction of the waves. The side facing the waves experiences greater wave impact, so more anchor blocks should be placed on the wave-facing side than on the wave-repelling side to ensure the stability of the floating body array. A portion of the anchor rope 362 can be an elastic cable, and another portion can be an anchor chain. The elastic cable deforms under tension, increasing in length. This allows it to buffer the impact force through elastic elongation when encountering large impacts, preventing excessive instantaneous impact from damaging the floating body array or the anchor rope 362.

[0057] According to one embodiment of this application, the semi-flexible floating body array 300 can be expanded according to the size of the water area. The semi-flexible floating body array of this application is composed of multiple floating bodies and connecting components, and can be infinitely expanded according to the area of ​​the water area, making it suitable for large-scale deployment and reducing assembly costs.

[0058] In summary, this application employs a combination of floating bodies and connecting components, reducing the number of floating bodies used and lowering the cost of the semi-flexible floating body array. Furthermore, the special structure of height differences between adjacent floating bodies using lugs creates an interlocking structure during connection, increasing the contact area between the lugs, distributing stress, and improving the service life of the lugs. The semi-flexible floating body array of this application is ideally suited for use in environments with small water areas, small volumes, and low wind speeds.

[0059] The above embodiments are for illustrative purposes only and are not intended to limit the scope of this application. Those skilled in the art can make various changes and modifications without departing from the scope of this application. Therefore, all equivalent technical solutions should also fall within the scope of this application.

Claims

1. A floating body unit, characterized in that, include: Multiple floating bodies, adjacent floating bodies connected end-to-end by a first lug and a second lug, the floating bodies comprising: Floating main body; A first and a second lug are disposed at both ends of the floating body. Each of the first and second lugs includes a first sub-plate and a second sub-plate. Both the first and second sub-plates are provided with connecting holes. The horizontal heights of the first and second sub-plates differ by a predetermined distance. The first and second lugs are symmetrical about the center of the floating body. The first and second lugs are made of the same material and are capable of undergoing small deformations without damaging the original structure. A connecting plate is disposed between the first and second sub-plates, and the length of the connecting plate is less than the lengths of the first and second sub-plates, respectively. The first protrusion and the second protrusion are both block structures. The first protrusion is disposed on the upper surface of the first sub-plate, and the second protrusion is disposed on the lower surface of the second sub-plate. The difference in horizontal height between the first sub-plate and the second sub-plate is greater than the thickness of the first pull lug. The difference between the horizontal height difference between the first sub-plate and the second sub-plate and the thickness of the first pull lug is 1mm-3mm. When adjacent floating bodies are connected, the first sub-plate of the rear floating body is located above the second sub-plate of the front floating body and they are in close contact with each other. The second sub-plate of the rear floating body is located below the first sub-plate of the front floating body and they are in close contact with each other, forming an interlocking structure in the vertical direction. By using bolts that pass through the connection holes of the front and rear floating bodies simultaneously, they are prevented from separating in the horizontal direction. There are gaps between the bolts and the connection holes in the horizontal and / or vertical directions, forming a semi-flexible connection.

2. The floating body unit according to claim 1, characterized in that, Further includes: One or more limiting grooves are longitudinally arranged on the upper surface of the floating body to accommodate the connecting parts.

3. The floating body unit according to claim 2, characterized in that, The floating body is provided with a third pull lug and a fourth pull lug on both sides, and the third pull lug and the fourth pull lug are respectively provided with corresponding limiting grooves.

4. The floating body unit according to claim 1, characterized in that, The lower surface of the floating body is provided with one or more non-penetrating cavities, the shape of which includes cylindrical and frustum shapes.

5. The floating body unit according to claim 1, characterized in that, The floating body is a hollow box structure, and the material of the floating body includes HDPE material.

6. The floating body unit according to claim 1, characterized in that, Reinforcing ribs are evenly distributed around the connection hole.

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