Operation and maintenance inspection channel suitable for large-span offshore photovoltaic steel grid structure

Abstract

The utility model discloses an operation and maintenance inspection channel suitable for a large-span offshore photovoltaic steel grid structure, which comprises a plurality of suspenders perpendicular to the ground, and the tops of the suspenders are welded on the upper chord side of a steel grid by welding hollow balls; a plurality of vertical rods parallel to the suspender are arranged on the side, away from the steel net rack, of the suspender, and a plurality of cable supports are arranged on the sides, away from the suspender, of the vertical rods; supporting walking mechanisms are arranged between the bottoms of the suspenders and the bottoms of the vertical rods; the supporting walking mechanism comprises a first main beam and a second main beam which are parallel to the ground, the first main beam is fixedly connected to the bottom of the suspender, the second main beam is fixedly connected to the bottom end of the vertical rod, a plurality of supporting beams are arranged between the first main beam and the second main beam, and inclined struts are arranged between the bottoms of the supporting beams and the bottom end of the suspender. A supporting plate is laid between every two adjacent supporting beams. A plurality of protruding inverter installation grooves are formed in the side, away from the vertical rod, of the first main beam. According to the utility model, regular inspection, assembly cleaning, fault maintenance and the like of an offshore photovoltaic system can be effectively carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of solar photovoltaic power generation, and relates to an operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure. Background Technique

[0002] Generally, large-scale onshore photovoltaic projects require a large amount of land area and land resources. Offshore photovoltaic power generation is a new energy utilization method and resource development model, which moves the "photovoltaic power station" from land to the sea. By using photovoltaic technology to establish a power station on the sea, the offshore environment is different from that on land. Under the same lighting conditions, the advantages of the open sea surface, no obstacles, long sunshine time, high radiation, etc. make the lighting utilization efficiency of offshore photovoltaic projects higher, and the power generation of offshore photovoltaic power stations is significantly improved.

[0003] For fixed-pile offshore photovoltaic projects, the existing design schemes are mostly large-span steel grid structures. To improve their service life, it is necessary to regularly perform operation and maintenance inspections on offshore photovoltaic projects. Therefore, it is necessary to provide an operation and maintenance passage to facilitate the staff to perform regular inspections, component cleaning, fault repair, etc. on the photovoltaic system. Content of the Utility Model

[0004] The purpose of the utility model is to provide an operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, which has the characteristics of reliable structure and high operation and maintenance inspection efficiency.

[0005] The technical solution adopted by the utility model is that an operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure includes a number of suspension rods perpendicular to the ground. The top of the suspension rod is welded to the upper chord side of the steel grid through a welded hollow sphere; on the side of the suspension rod away from the steel grid, there are a number of vertical rods parallel to the suspension rod. The top of the suspension rod is lower than the top of the vertical rod, and the bottom of the suspension rod is lower than the bottom of the vertical rod; on the side of the vertical rod away from the suspension rod, there are a number of cable brackets; between the bottom of the suspension rod and the bottom of the vertical rod, there is a support walking mechanism;

[0006] The support walking mechanism includes a first main beam and a second main beam parallel to the ground. The first main beam is fixedly connected to the bottom of the suspension rod, and the second main beam is fixedly connected to the bottom end of the vertical rod. Between the first main beam and the second main beam, there are a number of support beams perpendicular to the first main beam. There is a diagonal brace between the bottom of the support beam and the bottom end of the suspension rod; a support plate is laid between adjacent support beams; on the side of the first main beam away from the vertical rod, there are a number of protruding inverter installation grooves.

[0007] The characteristics of the utility model also lie in:

[0008] For the operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, the support plate is a basalt grid or a steel grating plate.

[0009] An operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, with a pair of square tubes provided at the bottom of the suspension rod, and the square tubes are connected to the web members of the steel grid through hoop fasteners.

[0010] An operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, with a buffer layer provided on the inner wall of the hoop fastener; the buffer layer is made of flexible rubber material.

[0011] An operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, with a first guardrail provided between adjacent suspension rods, and the first guardrail is perpendicular to the suspension rods; a second guardrail is provided between adjacent vertical rods, and the second guardrail is perpendicular to the vertical rods.

[0012] The beneficial effects of the present utility model are as follows:

[0013] By arranging an operation and maintenance inspection passage on the upper chord side of the steel grid, laying cables on the cable brackets of the operation and maintenance inspection passage, and installing inverters in the inverter installation grooves of the operation and maintenance inspection passage, the present utility model can, on the one hand, facilitate the inspection of maintenance personnel, and on the other hand, form an integral whole with the steel grid structure, avoiding secondary installation in the later stage and reducing the amount of offshore installation work. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the present utility model;

[0015] Figure 2 is a side view of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the present utility model;

[0017] Figure 4 is a side view of the square tube and the hoop fastener of the present utility model;

[0018] Figure 5 is a structural schematic diagram of the first guardrail and the second guardrail of the present utility model;

[0019] Figure 6 is a side view of the inverter installation groove of the present utility model.

[0020] In the figure, 1. suspension rod, 2. welded hollow sphere, 3. vertical rod, 4. first main beam, 5. second main beam, 6. support beam, 7. diagonal brace, 8. support plate, 9. square tube, 10. hoop fastener, 11. cable bracket, 12. first guardrail, 13. second guardrail, 14. inverter installation groove. Detailed Description of the Embodiment

[0021] The present utility model will be described in detail below in conjunction with the drawings and specific embodiments.

[0022] As Figure 1As shown in the figure, the utility model provides an operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, which is arranged on the upper chord side of the steel grid; as Figure 2 shown, during use, reach the L-shaped catwalk through the ladder, and after passing through the L-shaped catwalk, reach the operation and maintenance inspection passage.

[0023] The utility model provides an operation and maintenance inspection passage applicable to a large-span offshore photovoltaic steel grid structure, as Figure 3 shown, including a number of suspension rods 1 arranged perpendicular to the ground. The top of the suspension rod 1 is welded to the upper chord side of the steel grid through a welded hollow sphere 2 to form a rigid connection, thus forming a part of the overall structure of the steel grid. After being assembled with the steel grid together later, it is shipped to the designated offshore location.

[0024] On the side of the suspension rod 1 away from the steel grid, there are a number of vertical rods 3 parallel to the suspension rod 1. The top of the suspension rod 1 is lower than the top of the vertical rod 3, and the bottom of the suspension rod 1 is lower than the bottom of the vertical rod 3; on the side of the vertical rod 3 away from the suspension rod 1, there are a number of cable brackets 11 for laying the cables of the inverter. The cable brackets are composed of angle steel; between the bottom of the suspension rod 1 and the bottom of the vertical rod 3, there is a support walking mechanism;

[0025] The support walking mechanism includes a first main beam 4 and a second main beam 5 arranged parallel to the ground. The first main beam 4 is fixedly connected to the bottom of the suspension rod 1, and the second main beam 5 is fixedly connected to the bottom end of the vertical rod 3. Between the first main beam 4 and the second main beam 5, there are a number of support beams 6. The support beam 6 is perpendicular to the first main beam 4. Between the bottom of the support beam 6 and the bottom end of the suspension rod 1, there is a diagonal brace 7, as Figure 4 shown, which plays a supporting role for the support beam 6; between adjacent support beams 6, there is a support plate 8 laid, as Figure 5 shown, the support plate 8 is a basalt grid or a steel grating plate; on the side of the first main beam 4 away from the vertical rod 3, there are a number of protruding inverter installation grooves 14, as Figure 6 shown, which is convenient for installing the inverter in the inverter installation groove 14. During the subsequent inspection process, the maintenance personnel can check the operation status of the inverter on the operation and maintenance inspection passage.

[0026] At the bottom of the suspension rod 1, there is a pair of square tubes 9, and the square tubes 9 are connected to the web members of the steel grid through clamps 10, as Figure 4 shown, to further fix the suspension rod 1.

[0027] A buffer layer is arranged on the inner wall of the clamp 10; the buffer layer is a flexible rubber material, and the buffer layer can prevent the anti-corrosion paint from being scratched during the connection between the clamp 10 and the web members of the steel grid.

[0028] A first guardrail 12 is arranged between adjacent suspension rods 1, and the first guardrail 12 is perpendicular to the suspension rod 1; a second guardrail 13 is arranged between adjacent vertical rods 3, and the second guardrail 13 is perpendicular to the vertical rod 3, as Figure 5As shown, the first guardrail 12 and the second guardrail 13 play a protective role for operation and maintenance personnel.

[0029] During use, maintenance personnel regularly inspect and maintain the operating status of inverters, cables, photovoltaic modules, etc. on the operation and maintenance inspection channel of the present utility model to ensure the normal operation of the offshore photovoltaic project.

[0030] Embodiment 1

[0031] The present utility model provides an operation and maintenance inspection channel applicable to a large-span offshore photovoltaic steel grid structure, including a number of suspension rods 1 vertically arranged with respect to the ground. The top of the suspension rod 1 is welded to the upper chord side of the steel grid through a welded hollow ball 2; on the side of the suspension rod 1 away from the steel grid, a number of vertical rods 3 parallel to the suspension rod 1 are provided. The top of the suspension rod 1 is lower than the top of the vertical rod 3, and the bottom of the suspension rod 1 is lower than the bottom of the vertical rod 3; on the side of the vertical rod 3 away from the suspension rod 1, a number of cable brackets 11 are provided; between the bottom of the suspension rod 1 and the bottom of the vertical rod 3, a support walking mechanism is provided.

[0032] The support walking mechanism includes a first main beam 4 and a second main beam 5 arranged parallel to the ground. The first main beam 4 is fixedly connected to the bottom of the suspension rod 1, and the second main beam 5 is fixedly connected to the bottom end of the vertical rod 3. Between the first main beam 4 and the second main beam 5, a number of support beams 6 are provided. The support beam 6 is perpendicular to the first main beam 4. Between the bottom of the support beam 6 and the bottom end of the suspension rod 1, a diagonal brace 7 is provided; between adjacent support beams 6, a support plate 8 is laid; on the side of the first main beam 4 away from the vertical rod 3, a number of protruding inverter installation grooves 14 are provided.

[0033] Embodiment 2

[0034] On the basis of Embodiment 1, the support plate 8 is a basalt grid or a steel grid plate.

[0035] Embodiment 3

[0036] On the basis of Embodiment 1, a pair of square tubes 9 are provided at the bottom of the suspension rod 1, and the square tubes 9 are connected to the web members of the steel grid through clamps 10.

[0037] Embodiment 4

[0038] On the basis of Embodiment 3, a buffer layer is provided on the inner wall of the clamp 10; the buffer layer is a flexible rubber material.

[0039] Embodiment 5

[0040] On the basis of Embodiment 1, a first guardrail 12 is provided between adjacent suspension rods 1, and the first guardrail 12 is perpendicular to the suspension rod 1; a second guardrail 13 is provided between adjacent vertical rods 3, and the second guardrail 13 is perpendicular to the vertical rod 3.

Claims

1. Suitable for operation and maintenance inspection channel of large-span offshore photovoltaic steel grid structure, characterized by: The invention comprises a plurality of suspension rods (1) arranged perpendicular to the ground, wherein the top of the suspension rods (1) is welded to the upper chord side of the steel grid by welding a hollow ball (2); a plurality of vertical poles (3) parallel to the suspension rods (1) are arranged on the side of the suspension rods (1) away from the steel grid, the top of the suspension rods (1) is lower than the top of the vertical poles (3), and the bottom of the suspension rods (1) is lower than the bottom of the vertical poles (3); a plurality of cable brackets (11) are arranged on the side of the vertical poles (3) away from the suspension rods (1); and a supporting walking mechanism is arranged between the bottom of the suspension rods (1) and the bottom of the vertical poles (3); The supporting walking mechanism comprises a first main beam (4) and a second main beam (5) arranged parallel to the ground, the first main beam (4) being fixedly connected to the bottom of the suspension rod (1), the second main beam (5) being fixedly connected to the bottom end of the vertical pole (3), a plurality of supporting beams (6) being arranged between the first main beam (4) and the second main beam (5), the supporting beams (6) being perpendicular to the first main beam (4), and a diagonal brace (7) being arranged between the bottom of the supporting beam (6) and the bottom end of the suspension rod (1); a supporting plate (8) being laid between adjacent supporting beams (6); and a plurality of protruding inverter installation grooves (14) being arranged on a side of the first main beam (4) away from the vertical pole (3).

2. The operation and maintenance inspection channel suitable for a large-span offshore photovoltaic steel grid structure according to claim 1 is characterized in that: The support plate (8) is a basalt grid or a steel grid plate.

3. The operation and maintenance inspection channel applicable to a large-span offshore photovoltaic steel grid structure according to claim 1 is characterized in that: A pair of square tubes (9) are provided at the bottom of the suspension rod (1), and the square tubes (9) are connected to the web bars of the steel grid via clamps (10).

4. The operation and maintenance inspection channel applicable to a large-span offshore photovoltaic steel grid structure according to claim 3 is characterized in that: The inner wall of the clamp (10) is provided with a buffer layer; the buffer layer is made of a flexible rubber material.

5. The operation and maintenance inspection channel applicable to a large-span offshore photovoltaic steel grid structure according to claim 1 is characterized in that: A first guardrail (12) is arranged between adjacent suspension rods (1), and the first guardrail (12) is perpendicular to the suspension rod (1); a second guardrail (13) is arranged between adjacent vertical rods (3), and the second guardrail (13) is perpendicular to the vertical rods (3).

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