Energy-saving wear-resistant overhead insulated cable

Abstract

The utility model discloses an energy-saving wear-resistant overhead insulated cable, which relates to the technical field of insulated cables, and sequentially comprises a plurality of wire cores, a flexible filling layer, a fireproof layer, a waterproof layer, an outer insulating layer, a tensile layer and a wear-resistant layer from inside to outside, a plurality of metal wires are arranged in the wear-resistant layer, the plurality of wire cores comprise conductors, and the conductors are arranged in the outer insulating layer. The outer side of the conductor is wrapped by the inner insulating layer, the outer side of the inner insulating layer is wrapped by the metal shielding layer, the plurality of metal wires are circumferentially and uniformly distributed by taking the center of the wear-resistant layer as a reference, the plurality of reinforcing ribs are wrapped in the tensile layer, and the plurality of reinforcing ribs are circumferentially and uniformly distributed by taking the center of the tensile layer as a reference. And each reinforcing rib comprises a reinforcing core and a protective layer. The device has the characteristic of improving the wear resistance of the cable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of insulated cable, concretely to energy -conserving type wear -resisting overhead insulated cable. BACKGROUND

[0002] The utility model discloses an energy -conserving type overhead insulated cable, including the conductor wire core and the outer covering of wrapping in the conductor wire core outside, the conductor wire core includes the stranding conductor, and the stranding conductor includes the anti -tensile unit wire core of inner layer and the stranding of several aluminum single -wire outside anti -tensile unit wire core, the anti -tensile unit wire core is stranding and is formed by several aluminum -clad carbon fiber single -wire.

[0003] The cable improves the tensile strength of the cable through the built -in reinforcing core, but the wear -resisting effect is poor, and the cable is easy to wear in the traction erection process, therefore, it is very necessary to design the energy -conserving type wear -resisting overhead insulated cable that improves the wear -resisting effect of the cable. UTILITY MODEL CONTENTS

[0004] The utility model discloses an energy -conserving type wear -resisting overhead insulated cable to solve the problems in the background art.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: energy -conserving type wear -resisting overhead insulated cable, from inside to outside, includes wire core, flexible filling layer, fire -resistant layer, waterproof layer, outer insulation layer, anti -tensile layer and wear -resisting layer, and the wear -resisting layer is provided with a plurality of metal wires.

[0006] The utility model further illustrates that the wire core is provided with a plurality of wire cores, and the wire core includes a conductor, the conductor is wrapped with an inner insulation layer on the outer side, and the inner insulation layer is wrapped with a metal shielding layer on the outer side.

[0007] The utility model further illustrates that a plurality of metal wires are evenly distributed in a circle with the wear -resisting layer center as the reference.

[0008] The utility model further illustrates that the anti -tensile layer is wrapped with a plurality of reinforcing ribs, and the reinforcing rib is evenly distributed in a circle with the anti -tensile layer center as the reference.

[0009] The utility model further illustrates that the reinforcing rib includes a reinforcing core and a protective layer.

[0010] The utility model further illustrates that the waterproof layer is wrapped with 3-4 layers of water -resisting tape.

[0011] The utility model further illustrates that the fire -resistant layer is wrapped with 3-4 layers of powder mica tape.

[0012] Compared with the prior art, the utility model discloses have reached the beneficial effect is: the utility model discloses, through setting up wear -resisting layer and setting up metal wire in wear -resisting layer in the outermost layer of cable, improve the wear -resisting effect of cable whole.

[0013] Through setting up tensile layer and reinforcing rib, improve the tensile property of cable whole, through setting up waterproof layer, fire -resistant layer, improve the waterproof and high temperature resistance of cable, through setting up outer insulation layer and inner insulation layer, improve the insulation effect of cable through setting up multiple insulation layer, through setting up flexible buffer layer, thereby buffering the stress that cable produces when bending, prevent the damage of line core. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] In the drawing: 1, line core;2, flexible filling layer;3, fire -resistant layer;4, waterproof layer;5, outer insulation layer;6, tensile layer;7, wear -resistant layer;8, conductor;9, inner insulation layer;10, metal shielding layer;11, metal wire;12, reinforcing rib;13, reinforcing core;14, protective layer. DETAILED DESCRIPTION

[0017] The utility model technical scheme is further non - restrictively and in detail described below in combination with the preferred embodiments and its drawings.It is obvious that the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figure 1 The utility model provides technical scheme: energy -conserving wear -resisting overhead insulated cable, from inside to outside in proper order includes line core 1, flexible filling layer 2, fire -resistant layer 3, waterproof layer 4, outer insulation layer 5, tensile layer 6 and wear -resistant layer 7.

[0019] Line core 1 is provided with multiple, and the multiple line core 1 includes conductor 8, and the outer side of conductor 8 is wrapped with inner insulation layer 9, and the outer side of inner insulation layer 9 is wrapped with metal shielding layer 10.

[0020] Wear -resistant layer 7 adopts but is not limited to polyvinyl chloride, hinge polyethylene or polyurethane and so on high wear -resisting material.

[0021] A plurality of metal wires 11 are arranged in the wear-resistant layer 7, and the plurality of metal wires 11 are uniformly distributed in a circle with the center of the wear-resistant layer 7 as a reference, so as to improve the wear-resistant effect of the wear-resistant layer 7 and the compression resistance and tensile resistance of the cable.

[0022] The tensile-resistant layer 6 is made of thermoplastic elastic rubber, and has good elastic recovery function, so as to improve the tensile resistance of the cable.

[0023] A plurality of reinforcing ribs 12 are wrapped in the tensile-resistant layer 6, and the plurality of reinforcing ribs 12 are uniformly distributed in a circle with the center of the tensile-resistant layer 6 as a reference.

[0024] The reinforcing rib 12 comprises a reinforcing core 13 and a protective layer 14, the reinforcing core 13 is a twisted steel wire, and the protective layer 14 is made of plastic metal and is high-temperature extruded on the reinforcing core 13, so as to wrap the reinforcing core 13 and prevent the steel wire from abrading the tensile-resistant layer 6.

[0025] The waterproof layer 4 is wrapped by a water-blocking tape, and the water-blocking tape is wrapped for 3-4 layers, the water-blocking function of the water-blocking tape is mainly formed by high water-absorbing material contained in the water-blocking tape, the water-blocking agent can be rapidly expanded to form a large volume of glue when meeting water, so as to prevent the growth of water trees and prevent water from continuing to penetrate and diffuse.

[0026] The fire-resistant layer 3 is wrapped by a powder mica tape, and the powder mica tape is wrapped for 3-4 layers, the powder mica tape is also a high-performance insulation product, has excellent high-temperature resistance and combustion resistance, and has good softness in normal state, and basically does not volatilize harmful smoke when burning in open flame.

[0027] The flexible filling layer 2 is made of materials including but not limited to aramid yarn and the like, has the characteristics of small density, high tensile modulus, high breaking strength and low breaking elongation, so as to protect and fix the core 1 and buffer the external force.

[0028] The conductor 8 is made of metal materials such as copper and aluminum which have good conductivity.

[0029] The outer insulation layer 5 and the inner insulation layer 9 are made of materials including but not limited to polyvinyl chloride, cross-linked polyethylene, silicone rubber and the like, and have good insulation performance.

[0030] The metal shielding layer 10 is in the form of a wire or a tape made of copper or aluminum, and is used to avoid the electromagnetic waves generated by the core 1 from interfering with external electronic products.

[0031] In the embodiment, the wear-resistant layer 7 is arranged on the outermost layer of the cable, and the metal wires 11 are arranged in the wear-resistant layer 7, so as to improve the wear-resistant effect of the whole cable.

[0032] The tensile-resistant layer 6 and the reinforcing rib 12 are arranged, so as to improve the tensile resistance of the whole cable.

[0033] By setting waterproof layer 4, fire resistance layer 3, improve the cable waterproof and high temperature resistance.

[0034] By setting outer insulation layer 5 and inner insulation layer 9, by setting multiple insulation layer improves the insulation effect of cable.

[0035] By setting flexible buffer layer, thereby buffering the stress generated when the cable is bent, prevent the core 1 is damaged.

[0036] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.

Claims

1. Energy saving abrasion resistant aerial insulated cable, characterized in that: From inside to outside, it includes wire core (1), flexible filling layer (2), fireproof layer (3), waterproof layer (4), outer insulation layer (5), tensile layer (6) and wear-resistant layer (7), and a plurality of metal wires (11) are arranged in the wear-resistant layer (7).

2. The energy saving, abrasion resistant, aerial insulated cable as claimed in claim 1, wherein: The wire core (1) is provided with a plurality of wire cores (1), and the plurality of wire cores (1) include conductors (8), the outer side of the conductor (8) is wrapped with an inner insulation layer (9), and the outer side of the inner insulation layer (9) is wrapped with a metal shielding layer (10).

3. The energy saving, abrasion resistant, aerial insulated cable of claim 2, wherein: The plurality of metal wires (11) are uniformly distributed in a circle with the center of the wear-resistant layer (7) as the reference.

4. The energy saving, abrasion resistant, aerial insulated cable of claim 1, wherein: The tensile layer (6) is wrapped with a layer composed of a plurality of reinforcing ribs (12), and the plurality of reinforcing ribs (12) are uniformly distributed in a circle with the center of the tensile layer (6) as the reference.

5. The energy saving, abrasion resistant, aerial insulated cable of claim 4, wherein: The reinforcing rib (12) includes a reinforcing core (13) and a protective layer (14).

6. The energy saving, abrasion resistant, aerial insulated cable of claim 1, wherein: The waterproof layer (4) is wrapped with 3-4 layers of water-blocking tape.

7. The energy saving, abrasion resistant, aerial insulated cable of claim 1, wherein: The fireproof layer (3) is wrapped with 3-4 layers of powder mica tape.

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