Drag chain cable with high compression resistance

Abstract

The utility model discloses a drag chain cable with strong compression resistance, which relates to the technical field of drag chain cables, and comprises a conductor, the outer wall of the conductor is fixedly connected with a mica tape, the outer wall of the mica tape is fixedly connected with an insulating layer, and the outer wall of the insulating layer is fixedly connected with an inorganic filling material. The outer wall of the inorganic filling material is fixedly connected with an asbestosed wire gauze layer, the outer wall of the asbestosed wire gauze layer is fixedly connected with a glass fiber layer, the outer wall of the glass fiber layer is fixedly connected with a halogen-free flame-retardant layer, the outer wall of the halogen-free flame-retardant layer is fixedly connected with a honeycomb compression-resistant layer, and the outer wall of the honeycomb compression-resistant layer is fixedly connected with an armor layer. According to the utility model, the honeycomb compression-resistant layer, the armor layer and the flexible outer cladding layer are involved to solve the problems that the actual structural stability of the existing optical cable is limited, the compression resistance needs to be improved, and the laying stability is relatively poor, thereby playing a crucial role in improving the applicability of the optical cable.

Description

Technical Field

[0001] The utility model relates to the technical field of drag chain cables, in particular to a drag chain cable with strong compression resistance. Background Art

[0002] Electricity is an energy source that uses electrical energy as a driving force. It was invented in the 1870s. The invention and application of electricity set off the second wave of industrialization and became one of the three scientific and technological revolutions that have taken place in the world since the 18th century in human history. Since then, technology has changed people's lives. The large-scale power system that appeared in the 20th century is one of the most important achievements in the history of human engineering science. It is an electricity production and consumption system composed of power generation, transmission, transformation, distribution and power consumption. It converts primary energy in nature into electricity through mechanical energy devices, and then supplies electricity to various users through transmission, transformation and distribution. Cables are one of the indispensable tools in the process of power transportation.

[0003] After searching, the patent application number is CN101533685B. The flame-retardant and fire-resistant cable includes one or more insulated cores. The structure of the insulated core is a conductor in the center of the core and a conductor insulation layer wrapped around each conductor. The outermost layer of the cable is a cable sheath. In the inner layer of the cable sheath, an oxygen insulation layer is provided to wrap all the insulated cores.

[0004] However, the actual structural stability of the cable is relatively limited, especially in terms of its compressive resistance, which needs to be improved. At the same time, its laying stability is relatively poor, which reduces the applicability of flame-retardant and fire-resistant cables. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and propose a drag chain cable with strong pressure resistance. Its advantages are that the introduction of the honeycomb pressure-resistant layer, the armor layer and the flexible outer sheath solves the problem that the actual structural stability of the existing optical cable is relatively limited, especially in terms of its pressure resistance, which needs to be improved, and its laying stability is relatively poor, thereby playing a vital role in improving its applicability.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A drag chain cable with strong pressure resistance comprises a conductor, wherein the outer wall of the conductor is fixedly connected with a mica tape, and the outer wall of the mica tape is fixedly connected with an insulating layer, and the outer wall of the insulating layer is fixedly connected with an inorganic filling material, and the outer wall of the inorganic filling material is fixedly connected with an asbestos mesh layer, and the outer wall of the asbestos mesh layer is fixedly connected with a glass fiber layer, and the outer wall of the glass fiber layer is fixedly connected with a halogen-free flame retardant layer, and the outer wall of the halogen-free flame retardant layer is fixedly connected with a honeycomb pressure-resistant layer, and the outer wall of the honeycomb pressure-resistant layer is fixedly connected with an armor layer.

[0008] The above technical solution: the introduction of honeycomb pressure-resistant layer, armor layer and flexible outer sheath solves the problem that the actual structural stability of existing optical cables is relatively limited, especially its pressure resistance needs to be improved, and its laying stability is relatively poor, thereby playing a vital role in improving its applicability.

[0009] The utility model is further configured that the outer wall of the armor layer is fixedly connected with a flexible outer covering layer, and the outer wall of the flexible outer covering layer is fixedly connected with an anti-ultraviolet coating.

[0010] Through the above technical solutions: a drag chain cable with strong compression resistance can be achieved, which can effectively improve the overall strength of the cable and avoid sagging when the span is too large. The anti-ultraviolet coating can improve the anti-ultraviolet ability of the cable and avoid the phenomenon that the sunlight exposure affects the life of the cable.

[0011] The utility model is further configured such that the inorganic filling material is arranged outside the three groups of insulating layers, and the three groups of insulating layers do not contact each other.

[0012] Through the above technical solution: the filling material can further improve its deformation and recovery capabilities, and better improve the use effect of the product.

[0013] The utility model is further configured that the thickness of the glass fiber layer is consistent with the thickness of the asbestos mesh layer, and the thickness of the asbestos mesh layer is less than the thickness of the halogen-free flame retardant layer.

[0014] Through the above technical solution: the fire protection ability of this cable can be effectively improved.

[0015] The utility model is further configured that the thickness of the halogen-free flame retardant layer is consistent with the thickness of the honeycomb pressure-resistant layer, and the thickness of the honeycomb pressure-resistant layer is less than the thickness of the armor layer.

[0016] Through the above technical solution: it is possible to avoid the occurrence of halogen elements generated by the cable during combustion, thereby threatening human health, thereby ensuring the safety of the use of the cable.

[0017] The utility model is further configured such that the thickness of the anti-ultraviolet coating is less than the thickness of the flexible outer covering layer, and the thickness of the flexible outer covering layer is consistent with the thickness of the armor layer.

[0018] Through the above technical solution: the anti-ultraviolet ability of the cable can be improved, and the phenomenon that the exposure to sunlight affects the life of the cable can be avoided.

[0019] The utility model is further configured that three conductors are provided, the conductors are located in the inner cavity of the inorganic filling material, and no two adjacent conductors are in contact with each other.

[0020] Through the above technical solution: the position deviation of the conductor when it is deformed is avoided, and the contact between two adjacent conductors when the product is deformed can be effectively avoided, thereby further improving the safety of product use.

[0021] The utility model is further configured that the number of the conductors, mica tapes and insulating layers is consistent, and the conductor is located at the center of the inner cavity of the insulating layer.

[0022] Through the above technical solutions: flame retardant, strong pressure resistance, improve the applicability of the cable.

[0023] The beneficial effects of the utility model are:

[0024] 1. The drag chain cable with strong compressive performance solves the problem that the actual structural stability of existing optical cables is relatively limited, especially its compressive resistance needs to be improved, and its laying stability is relatively poor, by providing a honeycomb compressive layer, an armor layer and a flexible outer sheath, thereby playing a vital role in improving its applicability.

[0025] 2. The drag chain cable with strong compression resistance can effectively improve the fire resistance of the cable by arranging the asbestos mesh layer and the glass fiber layer. At the same time, the halogen-free flame retardant layer can prevent the cable from producing halogen elements when burning, thereby threatening human health, thus ensuring the safety of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional structural schematic diagram of a drag chain cable with strong compression resistance proposed by the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of a drag chain cable with strong compression resistance proposed by the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of a drag chain cable with strong compression resistance proposed by the utility model;

[0029] Figure 4 The utility model is a structural schematic diagram of a drag chain cable with strong compression resistance.

[0030] In the figure: 1. Conductor; 2. Mica tape; 3. Insulation layer; 4. Inorganic filling material; 5. Asbestos mesh layer; 6. Glass fiber layer; 7. Halogen-free flame retardant layer; 8. Honeycomb pressure-resistant layer; 9. Armor layer; 10. Flexible outer layer; 11. Anti-ultraviolet coating. DETAILED DESCRIPTION

[0031] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] Reference Figure 1-4 A drag chain cable with strong compressive resistance comprises a conductor 1, the outer wall of the conductor 1 is fixedly connected with a mica tape 2, and the outer wall of the mica tape 2 is fixedly connected with an insulating layer 3, and the outer wall of the insulating layer 3 is fixedly connected with an inorganic filling material 4, and the outer wall of the inorganic filling material 4 is fixedly connected with an asbestos mesh layer 5, and the outer wall of the asbestos mesh layer 5 is fixedly connected with a glass fiber layer 6, and the outer wall of the glass fiber layer 6 is fixedly connected with a halogen-free flame retardant layer 7, and the outer wall of the halogen-free flame retardant layer 7 is fixedly connected with a honeycomb pressure-resistant layer 8, and the outer wall of the honeycomb pressure-resistant layer 8 is fixedly connected with an armor layer 9. The intervention of the honeycomb pressure-resistant layer 8, the armor layer 9 and the flexible outer sheath 10 solves the problem that the actual structural stability of the existing optical cable is relatively limited, especially in terms of its pressure resistance, and its laying stability is relatively poor, thereby playing a vital role in improving its applicability.

[0034] Specifically, the outer wall of the armor layer 9 is fixedly connected to the flexible outer covering layer 10, and the outer wall of the flexible outer covering layer 10 is fixedly connected to the anti-ultraviolet coating 11, so as to achieve a drag chain cable with strong compressive resistance, which can effectively improve the overall strength of the cable and avoid sagging when the span is too large. The anti-ultraviolet coating can improve the anti-ultraviolet ability of the cable and avoid the phenomenon that the exposure to sunlight affects the life of the cable.

[0035] Specifically, the inorganic filling material 4 is arranged outside the three groups of insulating layers 3, and the three groups of insulating layers 3 do not contact each other. The filling material can further improve its deformation and recovery capabilities, thereby better improving the use effect of the product.

[0036] Specifically, the thickness of the glass fiber layer 6 is consistent with the thickness of the asbestos mesh layer 5, and the thickness of the asbestos mesh layer 5 is less than the thickness of the halogen-free flame retardant layer 7, which can effectively improve the fire resistance of the cable.

[0037] Specifically, the thickness of the halogen-free flame retardant layer 7 is consistent with the thickness of the honeycomb pressure-resistant layer 8, and the thickness of the honeycomb pressure-resistant layer 8 is less than the thickness of the armor layer 9, which can avoid the generation of halogen elements when the cable burns, thereby threatening human health and ensuring the safety of the cable.

[0038] Specifically, the thickness of the anti-ultraviolet coating 11 is less than the thickness of the flexible outer sheath 10, and the thickness of the flexible outer sheath 10 is consistent with the thickness of the armor layer 9, which can improve the anti-ultraviolet capability of the cable and avoid the phenomenon that the exposure to sunlight affects the life of the cable.

[0039] Specifically, three conductors 1 are provided, and the conductors 1 are located in the inner cavity of the inorganic filling material 4. No two adjacent conductors 1 contact each other, so as to avoid position deviation when the conductors 1 are deformed, thereby effectively avoiding contact between two adjacent conductors 1 when the product is deformed, thereby further improving the safety of product use.

[0040] Specifically, the number of conductors 1, mica tapes 2 and insulating layers 3 is the same, and the conductor 1 is located at the center of the inner cavity of the insulating layer 3, which has strong flame retardant and pressure resistance properties, thereby improving the applicability of the cable.

[0041] Working principle: The drag chain cable is assembled from the inside to the outside in sequence, consisting of a conductor 1, a mica tape 2, an insulating layer 3, an inorganic filling material 4, an asbestos mesh layer 5, a glass fiber layer 6, a halogen-free flame retardant layer 7, a honeycomb pressure-resistant layer 8, an armor layer 9, a flexible outer layer 10 and an anti-ultraviolet coating 11.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drag chain cable with strong compressive resistance, comprising a conductor (1), characterized in that: The outer wall of the conductor (1) is fixedly connected to a mica tape (2), and the outer wall of the mica tape (2) is fixedly connected to an insulating layer (3), and the outer wall of the insulating layer (3) is fixedly connected to an inorganic filling material (4), and the outer wall of the inorganic filling material (4) is fixedly connected to an asbestos mesh layer (5), and the outer wall of the asbestos mesh layer (5) is fixedly connected to a glass fiber layer (6), and the outer wall of the glass fiber layer (6) is fixedly connected to a halogen-free flame retardant layer (7), and the outer wall of the halogen-free flame retardant layer (7) is fixedly connected to a honeycomb pressure-resistant layer (8), and the outer wall of the honeycomb pressure-resistant layer (8) is fixedly connected to an armor layer (9).

2. A drag chain cable with strong compression resistance according to claim 1, characterized in that: The outer wall of the armor layer (9) is fixedly connected to a flexible outer covering layer (10), and the outer wall of the flexible outer covering layer (10) is fixedly connected to an anti-ultraviolet coating (11).

3. A drag chain cable with strong compression resistance according to claim 1, characterized in that: The inorganic filling material (4) is arranged outside the three groups of insulating layers (3), and the three groups of insulating layers (3) do not contact each other.

4. A drag chain cable with strong compression resistance according to claim 1, characterized in that: The thickness of the glass fiber layer (6) is consistent with the thickness of the asbestos mesh layer (5), and the thickness of the asbestos mesh layer (5) is less than the thickness of the halogen-free flame retardant layer (7).

5. A drag chain cable with strong compression resistance according to claim 1, characterized in that: The thickness of the halogen-free flame retardant layer (7) is consistent with the thickness of the honeycomb pressure-resistant layer (8), and the thickness of the honeycomb pressure-resistant layer (8) is smaller than the thickness of the armor layer (9).

6. A drag chain cable with strong compression resistance according to claim 2, characterized in that: The thickness of the anti-ultraviolet coating (11) is less than the thickness of the flexible outer covering layer (10), and the thickness of the flexible outer covering layer (10) is consistent with the thickness of the armor layer (9).

7. A drag chain cable with strong compression resistance according to claim 1, characterized in that: Three conductors (1) are provided, and the conductors (1) are located in the inner cavity of the inorganic filling material (4), and no two adjacent conductors (1) are in contact with each other.

8. A drag chain cable with strong compression resistance according to claim 1, characterized in that: The conductor (1), mica tape (2) and insulating layer (3) are of the same number, and the conductor (1) is located at the center of the inner cavity of the insulating layer (3).

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