A module transportation device and transportation method suitable for offshore floating photovoltaic platform

Abstract

A module transport device suitable for an offshore floating photovoltaic platform comprises a dragging body, the front portion of which can be connected to a transport tugboat, the rear portion of which is slidably connected to at least one mobile wing, and the position of the mobile wing can be fixed, and the mobile wing is fixedly connected to a plurality of connectors distributed along a straight line, and the connectors are used to connect the modules of the offshore floating photovoltaic platform. The present invention provides a module transport device and a transport method suitable for an offshore floating photovoltaic platform, which can transport multiple modules at the same time, is more efficient, and can also protect the modules during transportation.

Description

Technical Field

[0001] The present invention relates to the field of offshore photovoltaics, and in particular to a module transportation device and a transportation method suitable for an offshore floating photovoltaic platform. Background Art

[0002] Photovoltaic technology has many advantages such as low price and low pollution, making it one of the most promising renewable energy generation technologies. Compared with traditional onshore photovoltaic power generation technology, offshore photovoltaic power generation has the characteristics of wide coverage, less obstruction, and low transmission cost. Compared with onshore photovoltaic power generation, it has a broader development space.

[0003] Offshore photovoltaic platforms are usually composed of multiple modular single platforms. At present, the main method of transporting and installing offshore photovoltaic platforms with multiple floating bodies and multiple modules is to use a tugboat to tow one module to the designated location at a time, and then to assemble them after all the modules are transported to the designated location. This transportation and installation method has several shortcomings: 1. At present, the tugboat responsible for installation and transportation transports a single module per voyage. The transportation and installation of a photovoltaic field requires multiple voyages or multiple ships for transportation and installation, which greatly increases the transportation cost; 2. When transporting to the designated location for assembly, a floating crane or a crane ship is required, which also increases the transportation cost; 3. During the towing process, if there is a sudden bad weather, the photovoltaic platform will shake violently, and even the photovoltaic platform will be on the waves, resulting in damage to the photovoltaic components on the photovoltaic platform. Summary of the invention

[0004] In order to solve the deficiencies in the prior art, the present invention provides a module transportation device and a transportation method suitable for an offshore floating photovoltaic platform, which can transport multiple modules at the same time with higher efficiency and can also protect the modules during transportation.

[0005] In order to achieve the above object, the specific scheme adopted by the present invention is:

[0006] A module transportation device suitable for an offshore floating photovoltaic platform comprises a dragging body, the front portion of which can be connected to a transport tugboat, the rear portion of which is slidably connected to at least one mobile wing, and the position of the mobile wing can be fixed, the mobile wing is fixedly connected to a plurality of connectors distributed along a straight line, and the connectors are used to connect modules of the offshore floating photovoltaic platform.

[0007] Preferably, a slide rail is fixedly connected to the rear of the dragging body, and the slide rail is parallel to the plate surface of the dragging body, the movable wing is strip-shaped, one end of the movable wing extends into the slide groove of the slide rail, and can be connected to the slide rail through at least one adjustment positioning pin.

[0008] Preferably, a plurality of adjustment positioning pin holes evenly distributed along the length direction are provided on one of the side walls of the slide rail, and at least one adjustment socket is provided on the end of the movable wing extending into the slide groove, and the adjustment positioning pin can pass through the adjustment positioning pin hole and the adjustment socket in sequence to fix the movable wing.

[0009] Preferably, the movable wing is configured as a hollow structure, an extended wing is slidably arranged in the inner cavity of the movable wing, the extended wing can extend from the end of the movable wing during sliding, and the position of the extended wing can be fixed, and a plurality of the connecting parts evenly distributed along the length direction are fixedly arranged on the extended wing.

[0010] Preferably, the movable wing is provided with a plurality of expansion positioning pin holes evenly distributed along the length direction, the expansion wing is provided with at least one expansion socket, the expansion wing is fixed by at least one expansion positioning pin, and the expansion positioning pin passes through the expansion positioning pin hole and the expansion socket in sequence.

[0011] Preferably, two movable wings are provided, and the distance between the two movable wings gradually increases in the direction from the front to the rear of the dragging body.

[0012] Preferably, the connecting member is configured as a lifting lug, and the lifting lug is connected to the module of the floating photovoltaic platform via a cable.

[0013] Preferably, the slide rail is also slidably connected to at least one of the connecting members, and the position of the connecting member can be fixed.

[0014] A module transportation method applicable to an offshore floating photovoltaic platform, based on the above-mentioned module transportation device applicable to an offshore floating photovoltaic platform, the method comprises the following steps:

[0015] Determining the position of the mobile wing based on the modules of the offshore floating photovoltaic platform;

[0016] Moving the mobile wing, and fixing the position of the mobile wing when the mobile wing can be connected to the module of the offshore floating photovoltaic platform;

[0017] Connecting the modules of the offshore floating photovoltaic platform to the movable wing, and connecting the towing body to the transport tugboat;

[0018] The transport tugboat is used to drag the transport device and the modules of the offshore floating photovoltaic platform on the sea surface to a target position.

[0019] The present invention can transport multiple modules at the same time, effectively improve the transportation efficiency, and greatly reduce the transportation cost; by setting the dragging body, the dragging body located at the front can be used to reduce the towing resistance during transportation, improve the stability of the module during towing, and can also improve the movement response of each module, greatly improving the problem of excessive module movement inclination angle caused by multi-module transportation; the mobile wing can also be used to solve the problem of rising waves during transportation, protect the transported module model, and weaken the damage of the waves to the module; the present invention has a wide range of applications, and can be used to transport existing hexagonal string modules, floating block photovoltaic modules and semi-submersible photovoltaic modules, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the transport device of the present invention;

[0022] Figure 2 It is a schematic diagram of the connection method between the movable wing and the slide rail;

[0023] Figure 3 It is a schematic diagram of the state when the present invention is used to transport a hexagonal string-tensioning module;

[0024] Figure 4 It is a schematic diagram of the coordination between the lifting lug and the cable;

[0025] Figure 5 This is a schematic diagram of the state of the present invention when used to transport floating block photovoltaic modules;

[0026] Figure 6 It is a schematic diagram of the state when the present invention is used to transport a semi-submersible photovoltaic module.

[0027] Figure numerals: 1-dragging body, 2-slide rail, 3-movable wing, 4-extended wing, 5-lifting ear, 6-extended positioning pin, 7-adjusting positioning pin, 8-adjusting positioning pin hole, 9-cable, 10-hexagonal string module, 11-floating block photovoltaic module, 12-semi-submersible photovoltaic module, 13-extended positioning pin hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] like Figures 1 to 4 As shown, a module transportation device suitable for an offshore floating photovoltaic platform includes a towing body 1, the front portion of the towing body 1 can be connected to a transport tugboat, the rear portion of the towing body 1 is slidably connected to at least one mobile wing 3, and the position of the mobile wing 3 can be fixed, and the mobile wing 3 is fixedly connected to a plurality of connectors distributed along a straight line, and the connectors are used to connect modules of the offshore floating photovoltaic platform.

[0030] When transporting the modules of the offshore floating photovoltaic platform, first adjust the mobile wing 3 according to the specific type of the module, so that the space between the mobile wing 3 and the dragging body 1 and the space on the side of the mobile wing 3 can meet the requirements of connecting the modules. When adjusting the mobile wing 3, first separate the mobile wing 3 from the dragging body 1, and then drive the mobile wing 3 to move. When the mobile wing 3 reaches the appropriate position, fix the mobile wing 3 on the dragging body 1 again. After the mobile wing 3 is adjusted, the module to be transported is connected to the mobile wing 3. According to actual needs, multiple modules can be arranged in order and the first module can be connected to the mobile wing 3. It should be noted that the mobile wing 3 needs to be located in front of each module, and then the dragging body 1 is connected to the transport tugboat for transportation, and the transport tugboat can be started to drag the transport device and each module on the sea surface. In addition, the dragging body 1 can be connected to the transport tugboat first, and then the module can be connected to the mobile wing 3. When the transport device and modules are towed by the transport tugboat, the moving wings 3 of the towing body 1 can displace the seawater, prevent the seawater from directly impacting each module, and protect each module. In order to better protect each module, the towing body 1 can be set as a hollow structure, that is, a cavity is set inside the towing body 1, so as to enhance the buoyancy of the towing body 1, reduce the motion response of each module of the floating photovoltaic platform, and greatly improve the problem of excessive module motion inclination angle caused by multi-module transportation. A regulating pump that can introduce seawater into the cavity or discharge the seawater inside the cavity can also be set on the towing body 1, and the buoyancy of the towing body 1 can be changed by adjusting the amount of seawater in the cavity.

[0031] Furthermore, the front portion of the dragging body 1 can be configured to be in a shape similar to a hull, that is, having a tip with an arc-shaped edge, so that the dragging body 1 can travel more smoothly on the sea surface.

[0032] The specific connection method between the dragging body 1 and the mobile wing 3 is as follows: the rear of the dragging body 1 is fixedly connected with the slide rail 2, and the slide rail 2 and the board surface of the dragging body 1 are parallel to each other, the mobile wing 3 is in the shape of a strip, one end of the mobile wing 3 extends into the slide groove of the slide rail 2, and can be connected to the slide rail 2 by at least one adjustment positioning pin 7. Considering that the modules of the offshore floating photovoltaic platform need to be located behind the dragging body 1 and the mobile wing 3 during transportation, the extension direction of the slide rail 2 is perpendicular to the forward direction of the dragging body 1, that is, the extension direction of the slide rail 2 is perpendicular to the forward direction of the mobile tugboat. When the position of the mobile wing 3 needs to be adjusted, it is only necessary to drive the mobile wing 3 to move along the extension direction of the slide rail 2, and after the mobile wing 3 reaches the appropriate position, the mobile wing 3 can be fixed by adjusting the positioning pin 7.

[0033] Further, a plurality of adjustment positioning pin holes 8 evenly distributed along the length direction are provided on one of the side walls of the slide rail 2, and at least one adjustment socket is provided on one end of the mobile wing 3 extending into the slide slot, and the adjustment positioning pin 7 can pass through the adjustment positioning pin hole 8 and the adjustment socket in sequence to fix the mobile wing 3. During the movement of the mobile wing 3, the adjustment socket on the end of the mobile wing 3 extending into the slide slot can be connected with one of the adjustment positioning pin holes 8, so that the adjustment positioning pin 7 can pass through the adjustment positioning pin hole 8 and the adjustment socket in sequence to fix the mobile wing 3. Obviously, the distance between two adjacent adjustment sockets should be equal to the distance between two adjacent adjustment positioning pin holes 8. According to actual needs, a suitable number of adjustment sockets can be selected. The more the number of adjustment sockets, the more the number of adjustment positioning pins 7 used, and the higher the connection strength between the slide rail 2 and the mobile wing 3, but the operation will be more complicated, and the adjustable range of the position of the mobile wing 3 will also be reduced.

[0034] In order to further enhance the flexibility of the present invention and further expand the scope of application of the present invention, the mobile wing 3 is configured as a hollow structure, and the mobile wing 3 has at least one open end, and an extended wing 4 is slidably arranged in the inner cavity of the mobile wing 3, and the extended wing 4 can extend from the open end of the mobile wing 3 during the sliding process, and the position of the extended wing 4 can be fixed, and a plurality of connectors uniformly distributed along the length direction are fixedly arranged on the extended wing 4. When the volume of the module to be transported is large, the extended wing 4 can be pulled out of the mobile wing 3, and after the extended wing 4 is adjusted to a suitable position, the position of the extended wing 4 is fixed, thereby increasing the total length of the mobile wing 3 and the extended wing 4, and then increasing the number of available connectors to meet the transportation requirements of the module.

[0035] Similar to the fixing method of the mobile wing 3, the mobile wing 3 is provided with a plurality of expansion positioning pin holes 13 evenly distributed along the length direction, the expansion wing 4 is provided with at least one expansion socket, the expansion wing 4 is fixed by at least one expansion positioning pin 6, and the expansion positioning pin 6 passes through the expansion positioning pin hole 13 and the expansion socket in sequence. Similarly, the more the number of expansion sockets, the more the expansion positioning pins 6 are used, the higher the connection strength between the mobile wing 3 and the expansion wing 4, but the operation is more complicated, and the adjustable range of the position of the narrow wing 4 will also be reduced.

[0036] In order to fully utilize the mobile wings 3 to protect the transported modules, two mobile wings 3 can be provided, and the distance between the two mobile wings 3 gradually increases in the direction from the front to the rear of the dragging body 1. On this basis, a space capable of accommodating the module is formed between the two mobile wings 3, and the width of the space is smaller at a position close to the dragging body 1 and larger at a position far from the dragging body 1, so that the seawater can be smoothly discharged and the resistance generated by the seawater can be reduced.

[0037] Considering that there are many different types of modules of offshore floating photovoltaic platforms, the corresponding structures are also different. In order to ensure that the connector can be connected to modules of different structures, improve the versatility of the present invention, and expand the scope of application of the present invention, the connector is set as a lifting lug 5, and the lifting lug 5 is connected to the module of the floating photovoltaic platform through a cable 9. A hanging hole is provided on the lifting lug 5, and the cable 9 can pass through the hanging hole and be wrapped around the module to complete the connection between the connector and the module. In order to further improve the stability of the module during transportation, the slide rail 2 is also slidably connected to at least one connector, and the position of the connector can be fixed. The module can be connected to the slide rail 2, the movable wing 3 and the extended wing 4 at the same time by using the cable 9 to prevent the module from shaking excessively during transportation. In other embodiments of the present invention, the connector can also be set as other components that can cooperate with the cable 9, such as a rope grab.

[0038] Based on the above structure of the transport device of the present invention, the present invention can be applied to the transportation process of various existing modules with different structures, for example, it can transport the existing hexagonal string module 10, floating block photovoltaic module 11 and semi-submersible photovoltaic module 12. The corresponding transportation methods are as follows: Figure 3 , 5and 6. Specifically, when used to transport the hexagonal string module 10, the distance between the two mobile guard arms 3 is adjusted so that a part of a hexagonal string module 10 can enter between the two mobile guard arms 3, and then the hexagonal string module 10 is connected to the connecting pieces on the two mobile guard arms 3 and the connecting pieces on the slide rail 2 by using the cable 9. When transporting multiple hexagonal string modules 10 at the same time, all the hexagonal string modules 10 are arranged in a straight line or in a matrix, and then the first hexagonal string module 10 is connected to the transportation device of the present invention. When used to transport the floating block photovoltaic module 11, the floating block photovoltaic module 11 is placed between the two mobile guard arms 3, and then the floating block photovoltaic module 11 is connected to the connecting pieces on the two mobile guard arms 3 and the connecting pieces on the slide rail 2 at the same time. When used to transport a semi-submersible photovoltaic module 12, due to the large size of the semi-submersible photovoltaic module 12, the semi-submersible photovoltaic module 12 does not need to be placed between the two movable guard arms 3, but two extended guard arms 4 are extended, and the connectors on the ends of the two extended guard arms 4 away from the dragging body 1 and the connectors on the slide rail 2 are connected to the semi-submersible photovoltaic module 12.

[0039] As a preference, considering the design conditions of various existing modules, in the present invention, the width and length of the dragging body 1 can both be set to 25.5 m.

[0040] The present invention further provides a module transportation method applicable to an offshore floating photovoltaic platform. Based on the above-mentioned module transportation device applicable to an offshore floating photovoltaic platform, the method includes S1 to S4.

[0041] S1. Determine the position of the mobile wing 3 based on the module of the offshore floating photovoltaic platform. For different types of modules, the mobile wing 3 needs to be fixed at different positions. For reference, the detailed description of the transportation process of the hexagonal string module 10, the floating block photovoltaic module 11 and the semi-submersible photovoltaic module 12 can be referred to above, and no further description is given here.

[0042] S2, moving the mobile wing 3, and fixing the position of the mobile wing 3 when the mobile wing 3 can be connected to the module of the offshore floating photovoltaic platform.

[0043] S3, connecting the modules of the offshore floating photovoltaic platform to the mobile wings 3, and connecting the towing body 1 to the transport tugboat.

[0044] S4. Use a transport tugboat to drag the transport device and the modules of the offshore floating photovoltaic platform onto the sea surface and move them to a target location.

[0045] Furthermore, before the transport tugboat is transported to the destination, the seabed anchoring foundation is constructed. The anchoring foundation can be in the form of suction anchors, large-holding marine anchors, and pile anchors; then the module located at the rear is connected to the seabed anchoring foundation, and the modules are gradually connected to the seabed anchoring foundation from back to front. After one part is connected, the next part is separated from the transport device to avoid the modules separated in advance from being shifted by the ocean current, resulting in installation difficulties; finally, after all the modules are connected to the seabed anchoring foundation and installed, the transport tugboat is driven away to prepare for the transportation of other subsequent modules.

[0046] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A module transportation device suitable for an offshore floating photovoltaic platform, characterized in that: The invention comprises a towing body (1), the front part of the towing body (1) can be connected to a transport tugboat, the rear part of the towing body (1) is slidably connected to at least one movable wing (3), and the position of the movable wing (3) can be fixed, and the movable wing (3) is fixedly connected to a plurality of connectors distributed along a straight line, and the connectors are used to connect modules of an offshore floating photovoltaic platform; The rear of the dragging body (1) is fixedly connected to a slide rail (2), and the slide rail (2) and the plate surface of the dragging body (1) are parallel to each other. The movable wing (3) is in the shape of a strip, and one end of the movable wing (3) extends into the slide groove of the slide rail (2), and can be connected to the slide rail (2) via at least one adjustment positioning pin (7); A plurality of adjustment positioning pin holes (8) are evenly distributed along the length direction on one of the side walls of the slide rail (2); at least one adjustment plug hole is provided on the end of the movable wing (3) extending into the slide groove; the adjustment positioning pin (7) can pass through the adjustment positioning pin hole (8) and the adjustment plug hole in sequence to fix the movable wing (3); The movable wing (3) is configured as a hollow structure, an extended wing (4) is slidably arranged in the inner cavity of the movable wing (3), the extended wing (4) can extend from the end of the movable wing (3) during sliding, and the position of the extended wing (4) can be fixed, and a plurality of the connecting pieces evenly distributed along the length direction are fixedly arranged on the extended wing (4).

2. A module transportation device suitable for an offshore floating photovoltaic platform as claimed in claim 1, characterized in that: The movable wing (3) is provided with a plurality of expansion positioning pin holes (13) evenly distributed along the length direction, the expansion wing (4) is provided with at least one expansion plug hole, the expansion wing (4) is fixed by at least one expansion positioning pin (6), and the expansion positioning pin (6) passes through the expansion positioning pin hole (13) and the expansion plug hole in sequence.

3. A module transportation device suitable for an offshore floating photovoltaic platform as claimed in claim 1, characterized in that: Two movable wings (3) are provided, and the distance between the two movable wings (3) gradually increases in the direction from the front to the rear of the dragging body (1).

4. A module transportation device suitable for an offshore floating photovoltaic platform as claimed in claim 1, characterized in that: The connecting piece is configured as a lifting lug (5), and the lifting lug (5) is connected to a module of the floating photovoltaic platform via a cable (9).

5. The module transportation device suitable for an offshore floating photovoltaic platform according to claim 1, characterized in that: The slide rail (2) is also slidably connected to at least one of the connecting members, and the position of the connecting member can be fixed.

6. A module transportation method applicable to an offshore floating photovoltaic platform, based on a module transportation device applicable to an offshore floating photovoltaic platform as claimed in any one of claims 1 to 5, characterized in that: The method comprises the following steps: Determining the position of the mobile wing (3) based on the module of the offshore floating photovoltaic platform; Moving the movable wing (3), and fixing the position of the movable wing (3) when the movable wing (3) is able to connect to the module of the offshore floating photovoltaic platform; Connecting the modules of the offshore floating photovoltaic platform to the movable wing (3), and connecting the towing body (1) to the transport tugboat; The transport tugboat is used to drag the transport device and the modules of the offshore floating photovoltaic platform on the sea surface to a target position.

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