Photovoltaic cable underwater bridge laying device

Abstract

The utility model relates to the technical field of photovoltaic supports, in particular to a photovoltaic cable underwater bridge laying device which comprises a pipeline, a buoyancy assembly, a bridge assembly and a fixing assembly, the buoyancy assembly comprises a first floater, a second floater and a positioning anchor, the two sides of the pipeline are placed on the ground, and the middle section of the pipeline is placed underwater. The bridge assembly is arranged underwater and embedded in the middle of a pipeline, the buoyancy assembly is installed on the bridge assembly and partially arranged on the water surface, the fixing assembly is installed on the bridge assembly, the first floater floats on the water surface and is connected with the bridge assembly, and the second floater floats on the water surface and is located at the water inlet position of the pipeline to surround the pipeline. A positioning anchor is mounted on the bridge assembly and a portion of the positioning anchor is placed in underwater sediment. According to the underwater pipeline bridge, the impact of stormy waves on the water is reduced, the ship anchor is used for positioning, shaking in the water is avoided, the structure is simple, and mounting and dismounting are convenient.

Description

Technical Field

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

[0002] Because it does not occupy land resources, can reduce water evaporation, and takes into account the characteristics of 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 nearshore areas.

[0003] In the construction of a floating photovoltaic power station, all electrical equipment must be waterproof, and cables are typically laid over the water. However, obstacles on the water surface may affect the cable laying path, or the cable laying path may block the waterway, hindering routine inspections. In such cases, changing the cable routing would increase investment costs.

[0004] Chinese patent CN206164062U discloses a cable laying and fixing device and a floating power station on the water surface in which the device is installed. The cable laying and fixing device comprises a bottom supporting structure, at least one middle supporting structure, and a top supporting structure which are stacked and installed in sequence. The bottom supporting structure comprises two mounting parts 1. Each middle supporting structure comprises a long board 1, two mounting parts 2 fixed on the long board 1, and two mounting parts 3, wherein the two mounting parts 3 are located between the two mounting parts 2. The top supporting structure comprises a long board 2 and two mounting parts 4 fixed on the long board 2. The two mounting parts 2 of the middle supporting structure adjacent to the bottom supporting structure are respectively fixed on the two mounting parts 1, and the long board 1 and the two mounting parts 1 form a channel 1 through which the cable can pass. The two mounting parts 3 of the middle supporting structure adjacent to the top supporting structure are respectively fixed on the two mounting parts 4, and the long board 1, the long board 2, and the mounting parts 3 form a channel 2 through which the cable can pass.

[0005] There are several problems with the above documents: the rigid frame is not suitable for long-distance transmission; the float lacks positioning and is prone to shaking in the water. Utility Model Content

[0006] In order to solve the problems of the existing technology, the utility model provides a photovoltaic cable underwater bridge laying device, including a pipeline, a buoyancy component, a bridge component and a fixing component. The buoyancy component includes a first float, a second float and a positioning anchor. The two sides of the pipeline are placed on the ground, the middle section of the pipeline is placed underwater, the bridge component is arranged underwater and embedded with the middle part of the pipeline, the buoyancy component is installed on the bridge component, and the buoyancy component is partially placed on the water surface. The fixing component is installed on the bridge component, the first float floats on the water surface and is connected to the bridge component, the second float floats on the water surface and is at the place where the pipeline enters the water to surround the pipeline, the positioning anchor is installed on the bridge component and a part of it is placed in the mud on the bottom of the water.

[0007] Preferably, the pipeline includes an inner tube, an outer tube and an explosion-proof box. The explosion-proof box is placed on the ground. Both ends of the outer tube are placed on the ground and the middle is submerged in water. The inner tube is installed in the center of the outer tube and its two ends are connected to the explosion-proof box.

[0008] Preferably, the first float includes an alarm light, a boss and a steel cable, the alarm light is mounted on the upper surface of the first float, the boss is mounted on the lower surface of the first float and is in the water, one end of the steel cable is connected to the boss, and the other end is connected to the bridge assembly.

[0009] Preferably, the positioning anchor includes a fixed platform, an iron chain, a turntable and a rotating shaft. The fixed platform is installed at both ends of the bridge assembly, the rotating shaft is installed on the fixed platform, the turntable is rotatably connected to the rotating shaft, the iron chain is set on the turntable, and the positioning anchor is connected to the iron chain.

[0010] Preferably, the bridge assembly includes units and clamps, the units are assembled together to form the bridge, and the clamps are installed in the units.

[0011] Preferably, the unit element includes a notch and a screw hole, the notch is provided on the side walls at both ends of the unit element, and the screw hole is provided on the bottom surface of the unit element.

[0012] Preferably, the clamp includes a support platform, a positioning platform and an engaging clamp, the support platform is installed in the unit component, the positioning platform is installed on the side of the support platform, and the engaging clamp is rotatably connected to the positioning platform.

[0013] Preferably, the fixing assembly includes a first iron sheet, a second iron sheet and a screw, the first iron sheet is installed on the inner side of the bridge assembly, the second iron sheet is installed on the outer side of the bridge assembly, and the screw passes through the second iron sheet and the side wall of the bridge assembly and is installed in the first iron sheet.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model uses an underwater pipe bridge to reduce the impact of wind and waves on the water. Specifically, the outer pipe is used to protect the inner pipe from corrosion in the water, and the explosion-proof box is used to prevent excessive energy transmitted in the inner pipe from causing damage to components.

[0016] 2. The utility model uses anchors for positioning, which avoids shaking in the water. Specifically, the positioning anchors are installed at both ends of the bridge assembly to form a force balance in the water, thereby preventing the bridge assembly from shaking around due to the impact of water flow and causing damage to components.

[0017] 3. The utility model has a simple structure and is easy to install and disassemble. Specifically, the unit element is a single part of the bridge frame, which is small in size, easy to transport and easy to disassemble. When the bridge frame assembly is damaged, only a section of the unit element needs to be removed to complete the replacement, thereby achieving the purpose of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereoscopic diagram of a photovoltaic cable underwater bridge laying device.

[0019] Figure 2 It is a three-dimensional diagram of the pipeline in the underwater bridge laying device of photovoltaic cables.

[0020] Figure 3 The present invention is a stereoscopic diagram of a first float in an underwater photovoltaic cable bridge laying device.

[0021] Figure 4 It is a stereoscopic diagram of a positioning anchor in an underwater photovoltaic cable bridge laying device.

[0022] Figure 5 It is a stereoscopic diagram of a unit component in a photovoltaic cable underwater bridge laying device.

[0023] Figure 6 It is a stereoscopic diagram of fixed components in a photovoltaic cable underwater bridge laying device.

[0024] The numbers in the figure are: 1-pipeline; 2-buoyancy assembly; 21-first float; 211-warning light; 212-boss; 213-steel cable; 22-second float; 23-positioning anchor; 231-fixing platform; 232-iron chain; 233-turntable; 234-rotating shaft; 3-outer tube; 4-inner tube; 5-explosion-proof box; 6-bridge assembly; 61-unit; 611-slot; 612-screw hole; 62-clamp; 621-support platform; 622-positioning platform; 623-engaging clamp; 7-fixing assembly; 71-first iron sheet; 72-second iron sheet; 73-screw. DETAILED DESCRIPTION

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

[0026] See also Figures 1 to 6 As shown, a photovoltaic cable underwater bridge laying device includes a pipeline 1, a buoyancy component 2, a bridge component 6 and a fixing component 7. The buoyancy component 2 includes a first float 21, a second float 22 and a positioning anchor 23. Both sides of the pipeline 1 are placed on the ground, the middle section of the pipeline 1 is placed underwater, the bridge component 6 is arranged underwater and embedded with the middle part of the pipeline 1, the buoyancy component 2 is installed on the bridge component 6, and the buoyancy component 2 is partially placed on the water surface. The fixing component 7 is installed on the bridge component 6, the first float 21 floats on the water surface and is connected to the bridge component 6, the second float 22 floats on the water surface and is at the place where the pipeline 1 enters the water to surround the pipeline 1, and the positioning anchor 23 is installed on the bridge component 6 and a part of it is placed in the bottom mud.

[0027] The function of the first float 21 is to pull up the entire bridge assembly 6 so that it will not sink to the bottom of the water. The function of the second float 22 is to reduce the rigid friction suffered by the water inlet of the pipeline 1 and improve the service life of the pipeline 1. The positioning anchor 23 is used to provide positioning for the bridge assembly 6 in the water to prevent it from shaking constantly in the water.

[0028] See also Figures 1 and 2 As shown, the pipeline 1 includes an inner tube 4, an outer tube 3 and an explosion-proof box 5. The explosion-proof box 5 is placed on the ground. The two ends of the outer tube 3 are placed on the ground and the middle part is submerged in water. The inner tube 4 is installed in the center of the outer tube 3, and the two ends are connected to the explosion-proof box 5.

[0029] The function of the outer tube 3 is to protect the inner tube 4 from being corroded in water, and the function of the explosion-proof box 5 is to prevent the damage of components caused by excessive energy transmitted in the inner tube 4.

[0030] See also Figures 1 to 3 As shown, the first float 21 includes an alarm light 211, a boss 212 and a steel cable 213. The alarm light 211 is installed on the upper surface of the first float 21, the boss 212 is installed on the lower surface of the first float 21 and is in the water, and one end of the steel cable 213 is connected to the boss 212, and the other end is connected to the bridge assembly 6.

[0031] The function of the alarm light 211 is to indicate the safe water level of the first float 21. When the first float 21 is not subjected to the tension of the bridge assembly 6, the alarm light 211 lights up to remind the staff that maintenance is needed. The function of the boss 212 is to install the steel cable 213. At the same time, the buoyancy of the first float 21 must be greater than the gravity of the entire bridge assembly 6.

[0032] See also Figures 1 to 4 As shown, the positioning anchor 23 includes a fixed platform 231, an iron chain 232, a turntable 233 and a rotating shaft 234. The fixed platform 231 is installed at both ends of the bridge assembly 6, the rotating shaft 234 is installed on the fixed platform 231, the turntable 233 is rotatably connected to the rotating shaft 234, the iron chain 232 is set on the turntable 233, and the positioning anchor 23 is connected to the iron chain 232.

[0033] The positioning anchors 23 are installed at both ends of the bridge assembly 6 to form a force balance in the water, preventing the bridge assembly 6 from shaking around due to the impact of the water flow and causing damage to the components. The positioning anchors 23 can be pulled up or lowered by the turntable 233 so that the heavy positioning anchors 23 can drag the bridge assembly 6 during disassembly.

[0034] See also Figures 4 and 5 As shown, the bridge assembly 6 includes units and a clamp 62 . The units 61 are assembled together to form a bridge, and the clamp 62 is installed in the unit 61 .

[0035] As a single part of the bridge, the unit element 61 is small in size, easy to transport and easy to disassemble. When the bridge assembly 6 is damaged, only a section of the unit element 61 needs to be removed and replaced to achieve the purpose of maintenance. The clamp 62 is used to embed the pipe 1 in the bridge assembly 6 to avoid friction between the pipe 1 and the bridge assembly 6.

[0036] See also Figures 4 and 5 As shown, the unit element 61 includes a notch 611 and a screw hole 612 . The notch 611 is provided on the side walls at both ends of the unit element 61 , and the screw hole 612 is provided on the bottom surface of the unit element 61 .

[0037] The slot 611 is used to install the fixing assembly 7 , and the screw hole 612 is used to install the clamp 62 .

[0038] See also Figure 5 As shown, the clamp 62 includes a support platform 621, a positioning platform 622 and an engaging clamp 623. The support platform 621 is installed in the unit element 61, the positioning platform 622 is installed on the side of the support platform 621, and the engaging clamp 623 is rotatably connected to the positioning platform 622.

[0039] The support platform 621 fits the shape of the pipe 1, and the positioning platform 622 is used to install the engaging clamp 623. The engaging clamp 623 rotates on the positioning platform 622 to clamp the pipe 1. When repairing, only the engaging clamp 623 needs to be lifted to remove the bridge assembly 6.

[0040] See also Figure 6 As shown, the fixing assembly 7 includes a first iron sheet 71, a second iron sheet 72 and a screw 73. The first iron sheet 71 is installed on the inner side of the bridge assembly 6, the second iron sheet 72 is installed on the outer side of the bridge assembly 6, and the screw 73 passes through the second iron sheet 72 and the side wall of the bridge assembly 6 and is installed in the first iron sheet 71.

[0041] The first iron sheet 71 and the second iron sheet 72 interact with each other to fix the bridge assembly 6 , while the second iron sheet 72 holds the outer side of the bridge assembly 6 to prevent breakage, and the screws 73 are used to reinforce the connection between the first iron sheet 71 and the second iron sheet 72 .

[0042] The above embodiments merely represent one or several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A photovoltaic cable underwater bridge laying device, comprising a pipeline (1), a buoyancy component (2), a bridge component (6) and a fixing component (7); It is characterized in that The buoyancy assembly (2) comprises a first float (21), a second float (22) and a positioning anchor (23); both sides of the pipeline (1) are placed on the ground, the middle section of the pipeline (1) is placed underwater, the bridge assembly (6) is arranged underwater and is engaged with the middle section of the pipeline (1); the buoyancy assembly (2) is mounted on the bridge assembly (6), and a portion of the buoyancy assembly (2) is placed on the water surface; the fixing assembly (7) is mounted on the bridge assembly (6); the first float (21) floats on the water surface and is connected to the bridge assembly (6); the second float (22) floats on the water surface and is located at the place where the pipeline (1) enters the water to surround the pipeline (1); the positioning anchor (23) is mounted on the bridge assembly (6) and a portion of it is placed in the bottom mud.

2. A photovoltaic cable underwater bridge laying device according to claim 1, characterized in that: The pipeline (1) comprises an inner layer pipe (4), an outer layer pipe (3) and an explosion-proof box (5). The explosion-proof box (5) is placed on the ground. Both ends of the outer layer pipe (3) are placed on the ground, and the middle part is submerged in water. The inner layer pipe (4) is installed at the center of the outer layer pipe (3), and both ends of the inner layer pipe (4) are connected to the explosion-proof box (5).

3. The photovoltaic cable underwater bridge laying device according to claim 1, characterized in that: The first float (21) comprises an alarm light (211), a boss (212) and a steel cable (213); the alarm light (211) is mounted on the upper surface of the first float (21); the boss (212) is mounted on the lower surface of the first float (21) and is in water; one end of the steel cable (213) is connected to the boss (212), and the other end is connected to the bridge assembly (6).

4. The photovoltaic cable underwater bridge laying device according to claim 1, characterized in that: The positioning anchor (23) comprises a fixed platform (231), an iron chain (232), a rotating platform (233) and a rotating shaft (234); the fixed platform (231) is installed at both ends of the bridge frame assembly (6); the rotating shaft (234) is installed on the fixed platform (231); the rotating platform (233) is rotatably connected to the rotating shaft (234); the iron chain (232) is arranged on the rotating platform (233); and the positioning anchor (23) is connected to the iron chain (232).

5. The photovoltaic cable underwater bridge laying device according to claim 1, characterized in that: The bridge assembly (6) comprises a unit space and a clamp (62); the unit elements (61) are assembled together to form a bridge, and the clamp (62) is installed in the unit element (61).

6. The photovoltaic cable underwater bridge laying device according to claim 5, characterized in that: The unit element (61) comprises a notch (611) and a screw hole (612). The notch (611) is arranged on the side walls at both ends of the unit element (61), and the screw hole (612) is arranged on the bottom surface of the unit element (61).

7. The photovoltaic cable underwater bridge laying device according to claim 5, characterized in that: The clamp (62) comprises a support platform (621), a positioning platform (622) and an engaging clamp (623), wherein the support platform (621) is installed in the unit element (61), the positioning platform (622) is installed on the side of the support platform (621), and the engaging clamp (623) is rotatably connected to the positioning platform (622).

8. The photovoltaic cable underwater bridge laying device according to claim 1, characterized in that: The fixing assembly (7) comprises a first iron sheet (71), a second iron sheet (72) and a screw (73); the first iron sheet (71) is installed on the inner side of the bridge assembly (6); the second iron sheet (72) is installed on the outer side of the bridge assembly (6); and the screw (73) passes through the second iron sheet (72) and the side wall of the bridge assembly (6) and is installed in the first iron sheet (71).

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