A cross-linked polyethylene insulated wire and cable

Abstract

The utility model discloses a cross-linked polyethylene insulated wire and cable, including a mounting frame, wherein the mounting frame is provided with a plurality of evenly distributed conductors, the outer wall of the conductors is provided with a shielding layer, the mounting frame is provided with a plurality of evenly distributed through holes, the outer wall of the mounting frame is provided with an insulating layer, the outer wall of the insulating layer is provided with a protective layer, and the outer wall of the protective layer is provided with an outer skin. Beneficial effects: The safety of the cable can be improved by providing a protective layer, the buffer layer in the protective layer can provide a buffering and protective effect on the cable, and prevent the cable from being squeezed and causing damage to the internal conductors, wherein a buffer cavity is provided inside the buffer layer, and the weight of the cable can be reduced while enhancing the buffering performance, the flame retardant layer and the waterproof layer in the protective layer can improve the flame retardant and waterproof performance of the cable, and the weight of the cable can be effectively reduced by providing through holes on the mounting frame, so that it is convenient for people to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of wires and cables, and in particular to a cross-linked polyethylene insulated wire and cable. Background Art

[0002] Cross-linked polyethylene insulated cable is a cable suitable for distribution network and other fields. It has advantages that PVC insulated cable cannot match. It has simple structure, light weight, good heat resistance, strong load capacity, no melting, chemical corrosion resistance, and high mechanical strength. Cross-linked polyethylene insulated cable uses chemical or physical methods to transform the cable insulation polyethylene molecules from a linear molecular structure to a main network molecular structure, that is, the thermoplastic polyethylene is transformed into a thermosetting cross-linked polyethylene, which greatly improves its heat resistance and mechanical properties, reduces its shrinkage, prevents it from melting after being heated, and maintains excellent electrical properties.

[0003] The existing cables are easily squeezed or stepped on during use, causing damage to the internal wires, thereby affecting the service life of the cables. The existing cables are heavy and inconvenient for personnel to carry and install.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a cross-linked polyethylene insulated wire and cable to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A cross-linked polyethylene insulated wire and cable comprises a mounting frame, wherein the mounting frame is provided with a plurality of evenly distributed conductors, the outer walls of the conductors are sheathed with a shielding layer, the mounting frame is provided with a plurality of evenly distributed through holes, the outer wall of the mounting frame is sheathed with an insulating layer, the outer wall of the insulating layer is sheathed with a protective layer, and the outer wall of the protective layer is sheathed with an outer skin.

[0008] Preferably, the mounting frame is provided with a plurality of reinforcing ribs 1 distributed in a circular array, and the mounting frame is provided with reinforcing ribs 2 located between the plurality of reinforcing ribs 1 distributed in a circular array.

[0009] Preferably, the first reinforcing rib and the second reinforcing rib are both made of polyester fiber material.

[0010] Preferably, the outer wall of the outer skin is coated with epoxy resin, and the outer wall of the outer skin is provided with a plurality of evenly distributed wear-resistant strips.

[0011] Preferably, the wear-resistant strip is made of rubber.

[0012] Preferably, the protective layer comprises a buffer layer, the outer wall of the buffer layer is covered with a flame retardant layer, and the outer wall of the flame retardant layer is covered with a waterproof layer.

[0013] Preferably, a plurality of evenly distributed buffer cavities are provided in the buffer layer.

[0014] Preferably, the flame retardant layer is made of polyurethane, and the waterproof layer is made of polyethylene.

[0015] The beneficial effects of the utility model are as follows: the safety of the cable can be improved by arranging a protective layer, the buffer layer in the protective layer can provide a buffering and protective effect on the cable to prevent the cable from being squeezed and causing damage to the internal wires, wherein a buffer cavity is provided inside the buffer layer, which can reduce the weight of the cable while enhancing the buffering performance, the flame retardant layer and the waterproof layer in the protective layer can improve the flame retardant and waterproof properties of the cable, and by providing a through hole on the mounting frame, the weight of the cable can be effectively reduced, making it easier for people to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a cross-linked polyethylene insulated wire and cable according to an embodiment of the utility model;

[0018] Figure 2 It is a side view of a cross-linked polyethylene insulated wire and cable according to an embodiment of the utility model;

[0019] Figure 3 It is a cross-sectional view of a mounting frame for a cross-linked polyethylene insulated wire and cable according to an embodiment of the utility model;

[0020] Figure 4 It is a cross-sectional view of a protective layer in a cross-linked polyethylene insulated wire and cable according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Mounting frame; 2. Wire; 3. Shielding layer; 4. Through hole; 5. Insulation layer; 6. Protective layer; 7. Outer skin; 8. Reinforcement rib 1; 9. Reinforcement rib 2; 10. Wear-resistant strip; 11. Buffer layer; 12. Flame retardant layer; 13. Waterproof layer; 14. Buffer cavity. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a cross-linked polyethylene insulated wire and cable is provided.

[0025] Embodiment 1;

[0026] like Figure 1-4 As shown, the cross-linked polyethylene insulated wire and cable according to the embodiment of the utility model includes a mounting frame 1, in which a plurality of evenly distributed conductors 2 are arranged, the outer wall of the conductors 2 is sheathed with a shielding layer 3, a plurality of evenly distributed through holes 4 are opened in the mounting frame 1, the outer wall of the mounting frame 1 is sheathed with an insulating layer 5, the outer wall of the insulating layer 5 is sheathed with a protective layer 6, and the outer wall of the protective layer 6 is sheathed with an outer skin 7.

[0027] Embodiment 2:

[0028] like Figure 1-4 As shown, it includes a mounting frame 1, wherein the mounting frame 1 is provided with a plurality of evenly distributed wires 2, wherein the outer wall of the wires 2 is covered with a shielding layer 3, wherein the mounting frame 1 is provided with a plurality of evenly distributed through holes 4, wherein the outer wall of the mounting frame 1 is covered with an insulating layer 5, wherein the outer wall of the insulating layer 5 is covered with a protective layer 6, wherein the outer wall of the protective layer 6 is covered with an outer skin 7. The mounting frame 1 is provided with a plurality of reinforcing ribs 1 8 distributed in a circumferential array, wherein the mounting frame 1 is provided with reinforcing ribs 2 9 located between the plurality of reinforcing ribs 1 8 distributed in a circumferential array. The reinforcing ribs 1 8 and the reinforcing ribs 2 9 are both made of polyester fiber. The outer wall of the outer skin 7 is coated with epoxy resin, wherein the outer wall of the outer skin 7 is provided with a plurality of evenly distributed wear-resistant strips 10. The wear-resistant strips 10 are made of rubber material. The protective layer 6 includes a buffer layer 11, wherein the outer wall of the buffer layer 11 is covered with a flame retardant layer 12, wherein the outer wall of the flame retardant layer 12 is covered with a waterproof layer 13. The buffer layer 11 is provided with a plurality of evenly distributed buffer cavities 14. The flame retardant layer 12 is made of polyurethane, and the waterproof layer 13 is made of polyethylene.

[0029] In actual application, the overall weight of the cable can be reduced by opening a through hole 4 on the mounting frame 1, and the overall strength of the cable can be improved by setting reinforcing ribs 1 8 and 9 in the mounting frame 1 to prevent the cable from being broken and damaged during pulling. The safety of the cable can be improved by setting a protective layer 6. The buffer layer 11 in the protective layer 6 can provide a buffering and protective effect on the cable to prevent the cable from being squeezed and causing damage to the internal wires. A buffer cavity 14 is provided inside the buffer layer 11, which can reduce the weight of the cable while enhancing the buffering performance. The flame retardant layer 12 and the waterproof layer 13 in the protective layer 6 can improve the flame retardant and waterproof properties of the cable.

[0030] To sum up, with the help of the above-mentioned technical scheme of the utility model, the safety of the cable can be improved by setting a protective layer, the buffer layer in the protective layer can play a buffering and protective effect on the cable, and prevent the cable from being squeezed and causing damage to the internal wires. A buffer cavity is opened inside the buffer layer, which can enhance the buffering performance and reduce the weight of the cable at the same time. The flame retardant layer and the waterproof layer in the protective layer can improve the flame retardant and waterproof properties of the cable. By opening a through hole on the mounting frame, the weight of the cable can be effectively reduced, which is convenient for people to carry.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cross-linked polyethylene insulated wire and cable, characterized in that: The invention comprises a mounting frame (1), wherein a plurality of evenly distributed wires (2) are arranged in the mounting frame (1), the outer wall of the wires (2) is covered with a shielding layer (3), the mounting frame (1) is provided with a plurality of evenly distributed through holes (4), the outer wall of the mounting frame (1) is covered with an insulating layer (5), the outer wall of the insulating layer (5) is covered with a protective layer (6), and the outer wall of the protective layer (6) is covered with an outer skin (7).

2. A cross-linked polyethylene insulated wire and cable according to claim 1, characterized in that: The mounting frame (1) is provided with a plurality of reinforcing ribs (8) distributed in a circumferential array, and a reinforcing rib (9) is provided in the mounting frame (1) and located between the plurality of reinforcing ribs (8) distributed in a circumferential array.

3. A cross-linked polyethylene insulated wire and cable according to claim 2, characterized in that: The reinforcing rib 1 (8) and the reinforcing rib 2 (9) are both made of polyester fiber material.

4. A cross-linked polyethylene insulated wire and cable according to claim 1, characterized in that: The outer wall of the outer skin (7) is coated with epoxy resin, and the outer wall of the outer skin (7) is provided with a plurality of evenly distributed wear-resistant strips (10).

5. A cross-linked polyethylene insulated wire and cable according to claim 4, characterized in that: The wear-resistant strip (10) is made of rubber material.

6. A cross-linked polyethylene insulated wire and cable according to claim 1, characterized in that: The protective layer (6) comprises a buffer layer (11), the outer wall of the buffer layer (11) is provided with a flame retardant layer (12), and the outer wall of the flame retardant layer (12) is provided with a waterproof layer (13).

7. A cross-linked polyethylene insulated wire and cable according to claim 6, characterized in that: The buffer layer (11) is provided with a plurality of evenly distributed buffer cavities (14).

8. The cross-linked polyethylene insulated wire and cable according to claim 6, characterized in that: The flame retardant layer (12) is made of polyurethane material, and the waterproof layer (13) is made of polyethylene material.

Images