High-strength tensile, compression-resistant and wear-resistant cable for nuclear power station

Abstract

The utility model discloses a high-strength tensile compression-resistant wear-resistant cable for a nuclear power station, which comprises a cable body, conductive wire cores are arranged in the cable body, a waterproof wear-resistant protective layer is arranged in the cable body, the inner side of the waterproof wear-resistant protective layer is fixedly connected with a reinforcing layer, and the inner side of the waterproof wear-resistant protective layer is fixedly connected with the reinforcing layer. The side, away from the waterproof wear-resistant protective layer, of the reinforcing layer is fixedly connected with an insulating layer, the side, away from the reinforcing layer, of the insulating layer is fixedly connected with a flame-retardant layer, and the side, away from the insulating layer, of the flame-retardant layer is fixedly connected with a filling layer. Through the above structure, the problem that the surface of a traditional cable is often worn after being used for a long time can be solved, the maintenance cost of the cable is prevented from being greatly increased, and the situation that the cost is increased due to the fact that internal materials of the cable are damaged is avoided.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants. Background Technology

[0002] Cables are typically rope-like structures made of several or groups of conductors (at least two conductors per group) twisted together. Each group of conductors is insulated from the others and is often twisted around a central conductor, with the entire structure covered by a highly insulating outer layer. Cables are characterized by being internally conductive and externally insulated, and are conductors that transmit electricity or information from one place to another.

[0003] In existing technologies, traditional cables often experience surface wear after prolonged use, directly leading to a significant increase in cable maintenance costs and indirectly causing damage to the internal materials of the cable, further increasing costs. Furthermore, existing technologies often involve pulling during installation, and the surface material of traditional cables generally does not support high-intensity pulling. This directly leads to damage to the outer protective layer of the cable during pulling, and indirectly causes damage to the internal core of the cable due to environmental factors. Utility Model Content

[0004] The purpose of this utility model is to provide a high-strength, tensile, compressive, and wear-resistant cable for nuclear power plants. This solution addresses the problem of surface wear that often occurs on traditional cables after prolonged use, preventing a significant increase in cable maintenance costs and avoiding damage to the internal materials of the cable that would lead to increased costs. It also addresses the issue that traditional cables often require pulling during installation, and the surface material of the cable generally does not support high-strength pulling. This solution prevents damage to the outer protective layer of the cable during pulling and avoids damage to the internal core of the cable caused by environmental factors.

[0005] To achieve the above objectives, a high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants is provided, comprising a cable body, wherein a conductive core is disposed inside the cable body, and the cable body includes a waterproof and wear-resistant protective layer inside the cable body;

[0006] A reinforcing layer is fixedly connected to the inner side of the waterproof and wear-resistant protective layer. An insulating layer is fixedly connected to the side of the reinforcing layer away from the waterproof and wear-resistant protective layer. A flame-retardant layer is fixedly connected to the side of the insulating layer away from the reinforcing layer. A filling layer is fixedly connected to the side of the flame-retardant layer away from the insulating layer.

[0007] According to the high-strength tensile, compressive, and wear-resistant cable for nuclear power plants, the filler layer is made of silicone.

[0008] According to the high-strength tensile, compressive, and wear-resistant cable for nuclear power plants, the reinforcing layer is made of glass fiber.

[0009] According to the high-strength tensile, compressive, and wear-resistant cable for nuclear power plants, the insulation layer is made of polyvinyl chloride.

[0010] According to the high-strength tensile, compressive, and wear-resistant cable for nuclear power plants, the flame-retardant layer is made of flame-retardant polyolefin.

[0011] According to the aforementioned high-strength tensile, compressive, and wear-resistant cable for nuclear power plants, the number of conductive cores is five.

[0012] This utility model has the following beneficial effects:

[0013] 1. Compared with existing technologies, this high-strength tensile, compressive, and wear-resistant cable for nuclear power plants achieves protection of the cable body by setting a waterproof and wear-resistant protective layer and a reinforcing layer. Under the action of the waterproof and wear-resistant protective layer, the cable body is waterproof and wear-resistant, and under the action of the reinforcing layer, the cable body is protected against tensile and compressive forces. The reinforcing layer is made of glass fiber, which has excellent tensile strength and stiffness. Compared with many traditional materials such as steel, it can provide similar or better performance at a relatively lighter weight. As an electrical insulation material, glass fiber can effectively isolate current, and glass fiber can maintain stability and strength within a certain range. This avoids the problem that the surface of the cable often wears down after long-term use, which would lead to a significant increase in cable maintenance costs. It also avoids damage to the internal materials of the cable, which would increase costs.

[0014] 2. Compared with existing technologies, this high-strength, tensile, compressive, and wear-resistant cable for nuclear power plants, by setting an insulation layer and a flame-retardant layer, achieves protection for the internal materials of the cable body. The insulation layer provides excellent insulation, with the insulation material being polyvinyl chloride (PVC). PVC is an excellent electrical insulation material, effectively isolating current. PVC also has good weather resistance, allowing for long-term outdoor use without being easily affected by ultraviolet radiation, moisture, etc. Furthermore, PVC exhibits good flame-retardant properties under certain conditions. The flame-retardant layer is made of flame-retardant polyolefin. The treated flame-retardant polyolefin effectively reduces the speed and extent of combustion under fire conditions, as well as the release of smoke and harmful gases, improving safety during a fire. The flame-retardant polyolefin retains the original excellent mechanical properties of polyolefin, such as strength, toughness, and wear resistance, enabling the cable to be used in cables with high fire resistance requirements. It possesses excellent flame-retardant properties and reduces the risk of fire spread.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is an overall structural diagram of a high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to this utility model;

[0018] Figure 2 This is a partial cross-sectional schematic diagram of a high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to this utility model;

[0019] Figure 3 This is a cross-sectional view of a high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to this utility model.

[0020] Legend:

[0021] 1. Cable body; 2. Conductive core; 3. Filler layer; 4. Waterproof and wear-resistant protective layer; 5. Reinforcing layer; 6. Insulation layer; 7. Flame retardant layer. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-3 This utility model provides a high-strength, tensile, compressive, and wear-resistant cable for nuclear power plants, which includes a cable body 1, a conductive core 2 inside the cable body 1, and a waterproof and wear-resistant protective layer 4 inside the cable body 1.

[0024] A reinforcing layer 5 is fixedly connected to the inner side of the waterproof and wear-resistant protective layer 4. An insulating layer 6 is fixedly connected to the side of the reinforcing layer 5 away from the waterproof and wear-resistant protective layer 4. A flame-retardant layer 7 is fixedly connected to the side of the insulating layer 6 away from the reinforcing layer 5. A filling layer 3 is fixedly connected to the side of the flame-retardant layer 7 away from the insulating layer 6. The filling layer 3 is made of silicone, the reinforcing layer 5 is made of fiberglass, the insulating layer 6 is made of polyvinyl chloride, the flame-retardant layer 7 is made of flame-retardant polyolefin, and there are five conductive cores 2.

[0025] The above structure, by setting a waterproof and wear-resistant protective layer 4 and a reinforcing layer 5, achieves protection for the cable body 1. Under the action of the waterproof and wear-resistant protective layer 4, the cable body 1 obtains waterproof and wear-resistant effects, and under the action of the reinforcing layer 5, the cable body 1 obtains tensile and compressive protection. The reinforcing layer 5 is made of glass fiber, which has excellent tensile strength and stiffness. Compared with many traditional materials such as steel, it can provide similar or better performance while being relatively lightweight. As an electrical insulation material, glass fiber can effectively isolate current, and glass fiber can maintain stability and strength within a certain range. This avoids the problem that the surface of the cable often wears down after long-term use, which would lead to a significant increase in cable maintenance costs. It also avoids damage to the internal materials of the cable, which would increase costs.

[0026] By setting insulation layer 6 and flame-retardant layer 7, the internal materials of the cable body 1 are protected. Under the action of insulation layer 6, the cable body 1 can obtain excellent insulation effect. The insulation layer 6 is made of polyvinyl chloride (PVC), which is an excellent electrical insulation material that can effectively isolate current. PVC has good weather resistance and can be used in outdoor environments for a long time without being easily affected by factors such as ultraviolet rays and moisture. PVC also has good flame-retardant properties under certain conditions. The flame-retardant layer 7 is made of flame-retardant polyolefin. The treated flame-retardant polyolefin can effectively reduce the speed and extent of combustion under fire conditions, as well as reduce the release of smoke and harmful gases, thus improving safety during a fire. The flame-retardant polyolefin retains the original excellent mechanical properties of polyolefin, such as strength, toughness, and abrasion resistance. Therefore, this cable can be used in cables with high fire protection requirements, has good flame-retardant properties, and can reduce the risk of fire spread.

[0027] By incorporating filler layer 3, the cable can be used under conditions requiring high sealing and long-term reliability. Filler layer 3 is made of silicone, which possesses excellent sealing properties, effectively filling gaps and voids within the cable to prevent the intrusion of moisture, humidity, and other environmental factors, thus protecting the cable's internal structure and materials from damage. Silicone also exhibits good softness and elasticity, adapting to complex internal structures and shapes without increasing internal pressure or affecting bending performance. Silicone maintains stability under high temperatures and can typically withstand high operating temperatures, making it particularly suitable for applications requiring high-temperature resistance. Furthermore, silicone exhibits good stability and resistance to many chemicals, resisting corrosion from chemical solvents or other substances, ensuring the cable's stability and safety in various environments. Silicone filler materials typically possess long-term performance stability, maintaining their filling effect and physical properties over time, ensuring long-term cable performance and reliability. Finally, silicone has good anti-aging properties, preserving its original physical and chemical properties during long-term use and extending the cable's lifespan.

[0028] Working principle: Under the action of insulation layer 6, the cable body 1 can obtain excellent insulation effect. The material of insulation layer 6 is polyvinyl chloride (PVC), which is an excellent electrical insulation material that can effectively isolate current. PVC has good weather resistance and can be used in outdoor environments for a long time without being affected by factors such as ultraviolet rays and moisture. The flame retardant layer 7 is made of flame retardant polyolefin. The treated flame retardant polyolefin can effectively reduce the speed and degree of combustion under fire conditions, as well as reduce the release of smoke and harmful gases, thus improving safety during fire. Under the action of waterproof and wear-resistant protective layer 4, the cable body 1 obtains waterproof and wear-resistant effects. And under the action of reinforcing layer 5, the cable body 1 is protected against tension and compression.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants, characterized in that, It includes a cable body (1), the inside of which is provided a conductive core (2), and the inside of which is provided a waterproof and wear-resistant protective layer (4); A reinforcing layer (5) is fixedly connected to the inner side of the waterproof and wear-resistant protective layer (4). An insulating layer (6) is fixedly connected to the side of the reinforcing layer (5) away from the waterproof and wear-resistant protective layer (4). A flame-retardant layer (7) is fixedly connected to the side of the insulating layer (6) away from the reinforcing layer (5). A filling layer (3) is fixedly connected to the side of the flame-retardant layer (7) away from the insulating layer (6).

2. The high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to claim 1, characterized in that, The filler layer (3) is made of silicone.

3. The high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to claim 1, characterized in that, The reinforcing layer (5) is made of glass fiber.

4. The high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to claim 1, characterized in that, The insulating layer (6) is made of polyvinyl chloride.

5. A high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to claim 1, characterized in that, The flame-retardant layer (7) is made of flame-retardant polyolefin.

6. A high-strength, tensile- and compressive-resistant, wear-resistant cable for nuclear power plants according to claim 1, characterized in that, The number of conductive cores (2) is five.

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