Photovoltaic cable underwater laying device

Abstract

The utility model relates to the technical field of photovoltaic cable supports, in particular to a photovoltaic cable underwater laying device which comprises two buoyancy tanks, an underwater laying support and a cable, the buoyancy tanks are arranged on the two sides of the underwater laying support, the two ends of the cable are arranged on the tops of the two buoyancy tanks, and the underwater laying support is arranged on the cable. The middle part of the cable is arranged on the underwater laying bracket and is bent downwards to form an arc shape under the limitation of the underwater laying bracket; the underwater laying support comprises a plurality of arc-shaped steel pipes, a first connecting part, a second connecting part and a connecting assembly, the arc-shaped steel pipes are circumferentially arranged in an arc shape, the first connecting part and the second connecting part are arranged on the two sides of the arc-shaped steel pipes respectively, and the connecting assembly comprises bolts and nuts. The connecting assemblies are arranged on the first connecting parts and the second connecting parts between every two adjacent arc-shaped steel pipes. According to the utility model, the underwater laying device solves the problem that a water surface photovoltaic cable hinders ship navigation.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cable brackets, in particular to an underwater photovoltaic cable laying device. Background Art

[0002] Since it does not occupy land resources, can reduce water evaporation, and takes into account characteristics such as fishery breeding, "water surface photovoltaics" has received widespread attention in recent years and has been successfully applied in various scenarios such as lakes, rivers, mudflats, and offshore.

[0003] In the construction of water-based photovoltaic power stations, various electrical equipment must have a good waterproof grade, and cables are generally laid on the water surface. However, there may be obstacles on the water surface that affect the cable laying path, or the cable laying path blocks the waterway and is not conducive to daily inspections. If the cable path is changed, the investment cost will increase.

[0004] A photovoltaic cable underwater laying device is needed to solve the above problems. Utility Model Content

[0005] In view of the above problems, an underwater photovoltaic cable laying device is provided, which solves the problem of surface photovoltaic cables hindering the navigation of ships.

[0006] In order to solve the problems of the prior art, the utility model provides an underwater laying device for photovoltaic cables, including a buoyancy box, an underwater laying bracket and a cable, wherein the buoyancy box has two and is arranged on both sides of the underwater laying bracket, both ends of the cable are arranged on the top of the two buoyancy boxes, the middle part of the cable is arranged on the underwater laying bracket and is bent downward into an arc under the restriction of the underwater laying bracket; the underwater laying bracket includes an arc-shaped steel pipe, a first connecting part, a second connecting part and a connecting assembly, the arc-shaped steel pipe has a plurality of and is circumferentially arranged in a circular arc shape, the first connecting part and the second connecting part are respectively arranged on both sides of the arc-shaped steel pipe, the connecting assembly includes bolts and nuts, and the connecting assembly is arranged on the first connecting part and the second connecting part between two adjacent arc-shaped steel pipes.

[0007] Preferably, the arc-shaped steel pipe includes a semi-cylindrical steel pipe, a first mounting plate and a first mounting assembly, the first mounting plate is arranged on the upper and lower sides of the semi-cylindrical steel pipe, the semi-cylindrical steel pipe has two and the two semi-cylindrical steel pipes are arranged opposite to each other, the first mounting assembly includes bolts and nuts, and the first mounting assembly is arranged on the first mounting plates of the two opposite semi-cylindrical steel pipes; a semi-cylindrical rubber tube and a second mounting assembly are arranged on the semi-cylindrical steel pipe, the semi-cylindrical rubber tube is arranged on the inner wall of the semi-cylindrical steel pipe, the second mounting assembly includes bolts and nuts, and the second mounting assembly is arranged at the connection between the semi-cylindrical rubber tube and the semi-cylindrical steel pipe.

[0008] Preferably, the first connecting part includes a first connecting plate, which is arranged on one side of the first mounting plate, and the second connecting part is provided with a second connecting plate and a connecting groove, and the second connecting plate is arranged on the other side of the first mounting plate. The second connecting plates on the two opposite arc-shaped steel pipes are surrounded to form a connecting groove, and the first connecting part is plugged into the connecting groove.

[0009] Preferably, a fixed steel pipe, a fixed bracket, a supporting assembly and a weighting assembly are provided on the buoyancy box. The fixed steel pipe has the same structure as the arc-shaped steel pipe, the cable passes through the fixed steel pipe, the fixed bracket is arranged on the top of the buoyancy box, and the fixed steel pipe is arranged on the fixed bracket; the supporting assembly is arranged on one side of the buoyancy box close to the underwater laying bracket, and the weighting assembly is arranged at the bottom of the buoyancy box.

[0010] Preferably, a support vertical plate and an arc-shaped support plate are provided on the support assembly, the support vertical plate is arranged on one side of the floating plate close to the underwater laying bracket, and the arc-shaped support plate is arranged on the top of the support vertical plate.

[0011] Preferably, an arc-shaped support groove is provided on the arc-shaped support plate, and the arc-shaped support groove is located at the top of the arc-shaped support plate.

[0012] Preferably, the weighting assembly includes a support plate, a weighting block and a connecting steel cable, one end of the connecting steel cable is connected to the bottom of the buoyancy box, and the other end is fixedly connected to the support plate, and the weighting block is placed on the support plate.

[0013] Preferably, a second mounting plate is also provided on the weighting assembly, the second mounting plate is arranged on the top of the connecting steel cable, and the second mounting plate is detachably connected to the buoyancy box by bolts.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model is provided with an underwater laying bracket, both sides of the cable are arranged on two buoyancy boxes, the middle part of the cable is arranged on the underwater laying bracket, and the cable in the middle part is bent downward into an arc under the restriction of the underwater laying bracket, ensuring that there is water above the middle part of the cable that can meet the navigation requirements of ships.

[0016] 2. The utility model is provided with a semi-cylindrical steel pipe, and two opposite semi-cylindrical steel pipes are detachably connected through a first mounting assembly and a first mounting plate, so as to facilitate the disassembly and installation of the arc-shaped steel pipe.

[0017] 3. The utility model is provided with a supporting assembly and a weighting assembly. The supporting assembly is arranged on one side of the buoy near the underwater laying bracket. The supporting assembly is used to support the cable at the bend to improve the stability of the cable. The weighting assembly is arranged at the bottom of the buoy. Through the weighting assembly, the buoy can be half-submerged in the water to avoid the buoyancy caused by the ups and downs of the water surface, which may cause pulling and damage to the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a three-dimensional structural schematic diagram of an underwater photovoltaic cable laying device.

[0019] Figure 2 The present invention is a three-dimensional structural schematic diagram of a part of an underwater laying support of an underwater photovoltaic cable laying device.

[0020] Figure 3 The present invention is a cross-sectional view of a part of an underwater laying bracket of an underwater photovoltaic cable laying device.

[0021] Figure 4 It is a partial schematic diagram of location A of a photovoltaic cable underwater laying device.

[0022] Figure 5 A schematic diagram of the three-dimensional structure of a buoyancy box for underwater photovoltaic cable laying Figure 1 .

[0023] Figure 6 A schematic diagram of the three-dimensional structure of a buoyancy box for underwater photovoltaic cable laying Figure 2 .

[0024] The numbers in the figure are: 1-floating box; 11-fixed steel pipe; 12-fixed bracket; 13-support assembly; 131-support vertical plate; 132-arc-shaped support plate; 133-arc-shaped support groove; 14-weight assembly; 141-support plate; 142-weight block; 143-connecting steel cable; 144-second mounting plate; 2-underwater laying bracket; 21-arc-shaped steel pipe; 211-semi-cylindrical steel pipe; 2111-semi-cylindrical rubber tube; 2112-second mounting assembly; 212-first mounting plate; 213-first mounting assembly; 22-first connecting part; 221-first connecting plate; 23-second connecting part; 231-second connecting plate; 232-connecting groove; 24-connecting assembly; 3-cable. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Reference Figure 1 and Figure 2: A photovoltaic cable underwater laying device, including a pontoon 1, an underwater laying bracket 2 and a cable 3, the pontoon 1 has two and is arranged on both sides of the underwater laying bracket 2, the two ends of the cable 3 are arranged on the top of the two pontoons 1, the middle part of the cable 3 is arranged on the underwater laying bracket 2 and is bent downward into an arc under the restriction of the underwater laying bracket 2; the underwater laying bracket 2 includes an arc-shaped steel pipe 21, a first connecting part 22, a second connecting part 23 and a connecting assembly 24, the arc-shaped steel pipe 21 has multiple and is circumferentially arranged in a circular arc shape, the first connecting part 22 and the second connecting part 23 are respectively arranged on both sides of the arc-shaped steel pipe 21, the connecting assembly 24 includes bolts and nuts, and the connecting assembly 24 is arranged on the first connecting part 22 and the second connecting part 23 between two adjacent arc-shaped steel pipes 21.

[0027] Two buoys 1 are arranged on both sides of the underwater laying bracket 2, and a carbon corrugated pipe and an MPP pipe are arranged on the outside of the cable 3 to protect the cable 3. Both sides of the cable 3 are arranged on the two buoys 1, and the middle part of the cable 3 is arranged on the underwater laying bracket 2, and the cable 3 in the middle part is bent downward into an arc under the restriction of the underwater laying bracket 2, so as to ensure that the water body above the middle part of the cable 3 can meet the navigation requirements of the ship. The underwater laying bracket 2 includes an arc-shaped steel pipe 21, a first connecting part 22, a second connecting part 23 and a connecting assembly 24, and a plurality of arc-shaped steel pipes 21 are arranged circumferentially. Arranged in an arc shape, the cable 3 passes through the middle of the arc-shaped steel pipe 21, the first connecting part 22 and the second connecting part 23 are respectively arranged on both sides of the arc-shaped steel pipe 21, the first connecting part 22 and the second connecting part 23 are used to fix the two adjacent arc-shaped steel pipes 21 together, the connecting component 24 includes bolts and nuts, and the connecting component 24 is arranged on the first connecting pipe and the second connecting pipe between the two adjacent arc-shaped steel pipes 21, and the two adjacent arc-shaped steel pipes 21 are fixed by the connecting component 24, the first connecting part 22 and the second connecting part 23, so as to improve the stability of the underwater laying bracket 2.

[0028] Reference Figure 2 - Figure 4 : The arc-shaped steel pipe 21 includes a semi-cylindrical steel pipe 211, a first mounting plate 212 and a first mounting assembly 213. The first mounting plate 212 is arranged on the upper and lower sides of the semi-cylindrical steel pipe 211. The semi-cylindrical steel pipe 211 has two and the two semi-cylindrical steel pipes 211 are arranged opposite to each other. The first mounting assembly 213 includes bolts and nuts. The first mounting assembly 213 is arranged on the first mounting plates 212 of the two opposite semi-cylindrical steel pipes 211; the semi-cylindrical steel pipe 211 is provided with a semi-cylindrical rubber tube 2111 and a second mounting assembly 2112. The semi-cylindrical rubber tube 2111 is arranged on the inner wall of the semi-cylindrical steel pipe 211. The second mounting assembly 2112 includes bolts and nuts. The second mounting assembly 2112 is arranged at the connection between the semi-cylindrical rubber tube 2111 and the semi-cylindrical steel pipe 211.

[0029] Two first mounting plates 212 are arranged on the upper and lower sides of the semi-cylindrical steel pipe 211. The two semi-cylindrical steel pipes 211 are arranged opposite to each other to form an arc-shaped steel pipe 21. The first mounting assembly 213 includes bolts and nuts. The first mounting assembly 213 is arranged on the first mounting plates 212 of the two opposite semi-cylindrical steel pipes 211. The two opposite semi-cylindrical steel pipes 211 are detachably connected by the first mounting assembly 213 and the first mounting plate 212, which is convenient for disassembly and installation of the arc-shaped steel pipe 21. The semi-cylindrical rubber pipe 211 The semi-cylindrical rubber tube 2111 is arranged on the inner wall of the semi-cylindrical steel tube 211, and the semi-cylindrical rubber tube 2111 is detachably connected to the semi-cylindrical steel tube 211 through the second mounting assembly 2112. The semi-cylindrical rubber tube 2111 is compressed and deformed, so that the cable 3 and the arc-shaped steel tube 21 can be more closely connected. The semi-cylindrical rubber tube 2111 can increase the friction between the arc-shaped steel tube 21 and the cable 3, and improve the stability of the cable 3 in the arc-shaped steel tube 21. At the same time, the semi-cylindrical rubber tube 2111 can prevent the pipe opening of the arc-shaped steel tube 21 from scratching the cable 3.

[0030] Reference Figure 2 and Figure 4 : The first connecting part 22 includes a first connecting plate 221, and the first connecting plate 221 is arranged on one side of the first mounting plate 212. The second connecting part 23 is provided with a second connecting plate 231 and a connecting groove 232. The second connecting plate 231 is arranged on the other side of the first mounting plate 212. The second connecting plates 231 on the two opposite arc-shaped steel pipes 21 surround and form a connecting groove 232, and the first connecting part 22 is plugged into the connecting groove 232.

[0031] The first connecting plate 221 is arranged on one side of the first mounting plate 212, and the first connecting plates 221 on the two opposite arc-shaped steel pipes 21 are combined to form the first connecting portion 22. The second connecting plate 231 is arranged on the other side of the first mounting plate 212, and the second connecting plates 231 on the two opposite arc-shaped steel pipes 21 are combined to form the second connecting portion 23. The second connecting plates 231 on the two opposite arc-shaped steel pipes 21 surround to form a connecting groove 232, and the first connecting portion 22 is plugged into the connecting groove 232. The bolts in the connecting assembly 24 pass through the first connecting plate 221 and the second connecting plate 231 respectively and cooperate with nuts to fix the first connecting plate 221 and the second connecting plate 231, so as to facilitate the disassembly and installation of the arc-shaped steel pipe 21.

[0032] Reference Figure 1 and Figure 5 : The buoyancy tank 1 is provided with a fixed steel pipe 11, a fixed bracket 12, a support assembly 13 and a weight assembly 14. The fixed steel pipe 11 has the same structure as the arc-shaped steel pipe 21. The cable 3 passes through the fixed steel pipe 11. The fixed bracket 12 is arranged on the top of the buoyancy tank 1, and the fixed steel pipe 11 is arranged on the fixed bracket 12; the support assembly 13 is arranged on one side of the buoyancy tank 1 close to the underwater laying bracket 2, and the weight assembly 14 is arranged at the bottom of the buoyancy tank 1.

[0033] The fixed steel pipe 11 has the same structure as the arc-shaped steel pipe 21. The fixed steel pipe 11 is a straight pipe. The cable 3 passes through the fixed steel pipe 11. The fixed steel pipe 11 is used to fix the steel pipe. The fixed steel pipe 11 is fixedly connected to the fixed bracket 12. The fixed bracket 12 is used to support the fixed steel pipe 11. The support component 13 is arranged on the side of the buoy 1 close to the underwater laying bracket 2. The support component 13 is used to support the cable 3 at the bend to improve the stability of the cable 3. The weight component 14 is arranged at the bottom of the buoy 1. Through the weight component 14, the buoy 1 can be semi-submerged in the water to prevent the buoy 1 from pulling and damaging the cable 3 due to the ups and downs of the water surface.

[0034] Reference Figure 5 : The support assembly 13 is provided with a support vertical plate 131 and an arc-shaped support plate 132. The support vertical plate 131 is arranged on one side of the floating plate close to the underwater laying bracket 2, and the arc-shaped support plate 132 is arranged on the top of the support vertical plate 131.

[0035] The support vertical plate 131 is arranged on one side of the floating plate close to the underwater laying bracket 2, and the bottom of the support vertical plate 131 is fixedly connected to the buoyancy box 1, and the arc support plate 132 is arranged on the top of the support vertical plate 131, and the bottom of the arc support plate 132 is fixedly connected to the support vertical plate 131, and the arc support plate 132 is bent downward on the side close to the underwater laying bracket 2, and the arc support plate 132 is used to support the cable 3 to improve the stability of the cable 3.

[0036] Reference Figure 5 : An arc-shaped support groove 133 is provided on the arc-shaped support plate 132, and the arc-shaped support groove 133 is located at the top of the arc-shaped support plate 132.

[0037] The arc-shaped support groove 133 is located at the top of the arc-shaped support plate 132. The arc-shaped support groove 133 fits the outer circumference of the cable 3. The cable 3 is overlapped in the arc-shaped support groove 133. The arc-shaped support groove 133 prevents the cable 3 from detaching from the arc-shaped support plate 132, thereby improving the supporting effect of the arc-shaped support plate 132 on the cable 3.

[0038] Reference Figure 1 and Figure 6 The weighting assembly 14 includes a support plate 141, a weighting block 142 and a connecting steel cable 143, one end of the connecting steel cable 143 is connected to the bottom of the buoyancy box 1, and the other end is fixedly connected to the support plate 141, and the weighting block 142 is placed on the support plate 141.

[0039] One end of the connecting steel cable 143 is connected to the bottom of the pontoon 1, and the other end is fixedly connected to the support plate 141. The weight block 142 passes through the steel cable and is placed on the support plate 141. The weight of the pontoon 1 is increased by the weight block 142, so that the pontoon 1 can be semi-submerged in the water body, and the waves on the water surface are difficult to affect the pontoon 1, thereby preventing the pontoon 1 from pulling and damaging the cable 3 due to the ups and downs of the water surface.

[0040] Reference Figure 6 A second mounting plate 144 is also provided on the weighting assembly 14. The second mounting plate 144 is provided on the top of the connecting steel cable 143. The second mounting plate 144 is detachably connected to the buoyancy box 1 by bolts.

[0041] The second mounting plate 144 is arranged on the top of the connecting steel cable 143 and is detachably connected to the pontoon 1 by bolts. The second mounting plate 144 facilitates the removal of the connecting steel cable 143 from the pontoon 1, thereby facilitating the increase or decrease of the number of weight blocks 142 on the support plate 141 to change the semi-submergence depth of the pontoon 1 in the water body.

[0042] The above embodiments only express one or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. A photovoltaic cable underwater laying device, comprising a buoy (1), an underwater laying support (2) and a cable (3), characterized in that: There are two buoyancy boxes (1) arranged on both sides of an underwater laying support (2), both ends of the cable (3) are arranged on the top of the two buoyancy boxes (1), and the middle part of the cable (3) is arranged on the underwater laying support (2) and is bent downward into an arc shape under the restriction of the underwater laying support (2); The underwater laying support (2) comprises an arc-shaped steel pipe (21), a first connecting part (22), a second connecting part (23) and a connecting assembly (24); The arc-shaped steel pipe (21) has a plurality of connecting parts which are arranged circumferentially in an arc shape. The first connecting part (22) and the second connecting part (23) are respectively arranged on both sides of the arc-shaped steel pipe (21). The connecting assembly (24) comprises a bolt and a nut. The connecting assembly (24) is arranged on the first connecting part (22) and the second connecting part (23) between two adjacent arc-shaped steel pipes (21).

2. The photovoltaic cable underwater laying device according to claim 1, characterized in that: The arc-shaped steel pipe (21) comprises a semi-cylindrical steel pipe (211), a first mounting plate (212) and a first mounting assembly (213); The first mounting plate (212) is arranged on the upper and lower sides of the semi-cylindrical steel pipe (211), the semi-cylindrical steel pipe (211) has two semi-cylindrical steel pipes (211) and the two semi-cylindrical steel pipes (211) are arranged opposite to each other, the first mounting assembly (213) comprises a bolt and a nut, and the first mounting assembly (213) is arranged on the first mounting plates (212) of the two opposite semi-cylindrical steel pipes (211); A semi-cylindrical rubber tube (2111) and a second mounting assembly (2112) are arranged on the semi-cylindrical steel tube (211); the semi-cylindrical rubber tube (2111) is arranged on the inner wall of the semi-cylindrical steel tube (211); the second mounting assembly (2112) comprises a bolt and a nut; and the second mounting assembly (2112) is arranged at the connection between the semi-cylindrical rubber tube (2111) and the semi-cylindrical steel tube (211).

3. The photovoltaic cable underwater laying device according to claim 2, characterized in that: The first connecting portion (22) comprises a first connecting plate (221), and the first connecting plate (221) is arranged on one side of the first mounting plate (212); The second connecting portion (23) is provided with a second connecting plate (231) and a connecting groove (232); the second connecting plate (231) is arranged on the other side of the first mounting plate (212); the second connecting plates (231) on the two opposite arc-shaped steel pipes (21) surround and form a connecting groove (232); The first connecting portion (22) is plugged into the connecting groove (232).

4. The photovoltaic cable underwater laying device according to claim 1, characterized in that: A fixed steel pipe (11), a fixed bracket (12), a support assembly (13) and a weighting assembly (14) are arranged on the buoyancy box (1); The fixed steel pipe (11) has the same structure as the arc-shaped steel pipe (21), the cable (3) passes through the fixed steel pipe (11), the fixed bracket (12) is arranged on the top of the buoyancy box (1), and the fixed steel pipe (11) is arranged on the fixed bracket (12); The support assembly (13) is arranged on a side of the buoyancy box (1) close to the underwater laying bracket (2), and the weighting assembly (14) is arranged at the bottom of the buoyancy box (1).

5. The photovoltaic cable underwater laying device according to claim 4, characterized in that: The support assembly (13) is provided with a support vertical plate (131) and an arc-shaped support plate (132); The supporting vertical plate (131) is arranged on one side of the floating plate close to the underwater laying bracket (2), and the arc-shaped supporting plate (132) is arranged on the top of the supporting vertical plate (131).

6. The photovoltaic cable underwater laying device according to claim 5, characterized in that: An arc-shaped support groove (133) is provided on the arc-shaped support plate (132), and the arc-shaped support groove (133) is located at the top of the arc-shaped support plate (132).

7. The photovoltaic cable underwater laying device according to claim 4, characterized in that: The weighting assembly (14) comprises a supporting plate (141), a weighting block (142) and a connecting steel cable (143). One end of the connecting steel cable (143) is connected to the bottom of the buoyancy box (1), and the other end is fixedly connected to the supporting plate (141). The weighting block (142) is placed on the supporting plate (141).

8. The photovoltaic cable underwater laying device according to claim 6, characterized in that: The weighting assembly (14) is also provided with a second mounting plate (144), which is arranged on the top of the connecting steel cable (143) and is detachably connected to the buoyancy box (1) via bolts.

Images