Direct-current cable crossing laying structure between different arrays of overwater photovoltaic project

Abstract

The utility model discloses a direct current cable crossing laying structure between different arrays of an overwater photovoltaic project, which relates to the technical field of cable laying and comprises prefabricated pipe piles, pipe hoops are respectively arranged at equal-height positions of adjacent prefabricated pipe piles, a steel wire rope is fixed between the two pipe hoops, and a cable protection pipe is fixed on the steel wire rope. The pipe hoop is connected with the pull rod which is connected with the fastener, and the fastener is connected with the steel wire rope. The utility model discloses only include pipe hoop, steel wire rope, pull rod, fastener, pipe clamp, cable protection pipe and other common materials on the construction site, simple assembly structure, simple assembly process, can effectively reduce the construction difficulty, reduce the construction cost, and the utility model discloses use later stage if part of part needs to change, also convenient to dismantle, the application range is wide.

Description

Technical Field

[0001] This utility model relates to the field of cable laying technology, and in particular to a structure for laying DC cables across different arrays in a floating photovoltaic project. Background Technology

[0002] With the generally large installed capacity of new energy photovoltaic fields, especially water-based photovoltaics, in order to meet the construction requirements of "fishery-solar complementarity", the array spacing between different photovoltaic strings is large. The conventional method of laying DC cables with hot-dip galvanized steel pipes has to increase the diameter and thickness of the steel pipe wall to meet the requirements of large span, large cross-sectional area and large rigidity support, resulting in waste of engineering materials and increased engineering construction costs. Utility Model Content

[0003] To address the shortcomings of the existing technology, this utility model provides a structure for laying DC cables across different arrays in a floating photovoltaic project. This structure can meet the requirements for laying large-span cables between strings, significantly reducing project costs and improving construction efficiency. The aim is to overcome the technical problems of insufficient rigidity, high cost, and difficult construction associated with traditional galvanized steel pipes.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A structure for laying DC cables across different arrays in a floating photovoltaic project includes precast pipe piles, pipe clamps installed at the same height positions of adjacent precast pipe piles, a steel wire rope fixed between two pipe clamps, and a cable protection pipe fixed on the steel wire rope.

[0006] The pipe clamp is connected to a tie rod, the tie rod is connected to a fastener, and the fastener is connected to a wire rope.

[0007] In the aforementioned structure for laying DC cables across different arrays in the floating photovoltaic project, the steel wire rope and the cable protection pipe are fixed together by several pipe clamps.

[0008] In the aforementioned floating photovoltaic project, the spacing between adjacent pipe clamps in the DC cable crossing structure between different arrays is less than 50cm.

[0009] The aforementioned structure for laying DC cables across different arrays in the floating photovoltaic project also includes DC cables, with the DC cable between two precast pipe piles being run through a cable protection pipe.

[0010] In the aforementioned structure for laying DC cables across different arrays in the floating photovoltaic project, the pipe clamp includes two half-clamps, with the two ends of the two half-clamps connected by bolts respectively; one end of the pull rod is hooked and fixed to the bolt, and the other end of the pull rod passes through the wire rope and is hinged and fixed by a fastener.

[0011] Beneficial effects:

[0012] Traditional methods using galvanized steel pipes require increased wall thickness to meet the rigidity requirements of large spans, resulting in high material consumption, high construction costs, and significant construction difficulties. In contrast, this invention only includes common construction site materials such as pipe clamps, wire ropes, tie rods, fasteners, pipe clamps, and cable protection pipes. The assembly structure and process are simple, effectively reducing construction difficulty and project costs. Furthermore, this invention is easy to disassemble and replace components later, making it widely applicable. Therefore, using this invention can optimize project scope, improve construction efficiency, and has no substantial impact on cable laying during implementation, ensuring the normal use of DC cables. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the tie rod and its connecting structure;

[0015] Figure 3 This is a schematic diagram of the pipe clamp and its connection structure viewed from above.

[0016] In the diagram: 1-pipe clamp; 2-tie rod; 3-fastener; 4-pipe clamp; 5-steel wire rope; 6-cable protection pipe; 7-DC cable; 8-precast pipe pile; 9-inverter; 10-bolt. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0018] Example 1: A structure for laying DC cables across different arrays in a floating photovoltaic project, with structural reference... Figure 1-3 As shown, it includes pipe clamps 1, tie rods 2, fasteners 3, pipe clamps 4, steel wire ropes 5, cable protection pipes 6, and DC cables 7. The structural features are: pipe clamps 1 are set at the same height position of adjacent precast pipe piles 8, steel wire ropes 5 are fixed between two pipe clamps 1, and cable protection pipes 6 are fixed on the steel wire ropes 5; pipe clamps 1 are connected to tie rods 2, tie rods 2 are connected to fasteners 3, and fasteners 3 are connected to steel wire ropes 5; the steel wire ropes 5 and cable protection pipes 6 are fixed together by several pipe clamps 4.

[0019] When implementing the above structure, firstly, the pipe clamp 1 is fixed to the precast pipe pile 8 between adjacent string arrays; secondly, the steel wire rope is reliably connected to the pipe clamp 1 through the tie rod 2 and fastener 3, and the steel wire rope 5 is straightened; at the same time, the DC cable 7 is threaded into the DC cable protection pipe 6, and then the cable protection pipe 6 is fixed together with the steel wire rope 5 through the pipe clamp 4, with the distance between adjacent pipe clamps 4 being within 50cm.

[0020] It should be further explained that the pipe clamp 1 includes two half clamps, and the two ends of the two half clamps are connected by bolts 10 respectively; one end of the pull rod 2 is hooked and fixed on the bolt 10, and the other end of the pull rod 2 is hinged and fixed by the fastener 3 after passing through the wire rope 5.

[0021] Example 2: A structure for laying DC cables across different arrays in a floating photovoltaic project, with structural reference... Figure 1 As shown, this structure is the same as that in Embodiment 1. According to the actual engineering needs, the steel wire rope 5 is replaced with steel strand in this embodiment.

[0022] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. A structure for laying DC cables across different arrays in a floating photovoltaic project, comprising prefabricated pipe piles (8), characterized in that: Pipe clamps (1) are installed at the same height position of adjacent precast pipe piles (8), and steel wire ropes (5) are fixed between the two pipe clamps (1). Cable protection pipes (6) are fixed on the steel wire ropes (5). The pipe clamp (1) is connected to the tie rod (2), the tie rod (2) is connected to the fastener (3), and the fastener (3) is connected to the wire rope (5).

2. The DC cable crossing and laying structure between different arrays in a floating photovoltaic project according to claim 1, characterized in that: The wire rope (5) and the cable protection pipe (6) are fixed together by several pipe clamps (4).

3. The structure for laying DC cables across different arrays in a floating photovoltaic project according to claim 1, characterized in that: The distance between adjacent pipe clamps (4) is less than 50cm.

4. The structure for laying DC cables across different arrays in a floating photovoltaic project according to claim 1, characterized in that: It also includes a DC cable, with the DC cable between the two precast pipe piles (8) running through the cable protection pipe (6).

5. The structure for laying DC cables across different arrays in a floating photovoltaic project according to claim 1, characterized in that: The pipe clamp (1) includes two half clamps, and the two ends of the two half clamps are connected by bolts (10); one end of the pull rod (2) is hooked and fixed on the bolt (10), and the other end of the pull rod (2) is connected and fixed by a fastener (3) after passing through the wire rope (5).

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