Wear-resistant power cable with long service life

Abstract

The utility model discloses a wear-resistant power cable with long service life, which relates to the technical field of cables and comprises a cable body, a wear-resistant layer is adhered to the outer surface of the cable body, a plurality of annular grooves are arranged on the outer wall of the wear-resistant layer and are distributed at equal intervals, and the wear-resistant layer is arranged in the annular grooves. The cable body is composed of an outer sheath, an armor layer, a wrapping tape and a copper conductor, the outer sheath, the armor layer, the wrapping tape and the copper conductor are sequentially distributed from outside to inside, the outer surface of the cable body can be prevented from being abraded through the arranged anti-abrasion layer, and therefore the service life of the cable is prolonged; the annular groove arranged on the outer wall of the anti-wear layer can prevent the anti-wear layer from influencing the bending of the cable, and the protection layer outside the copper conductor is provided with the inner and outer shielding layers, so that the anti-interference capability of the cable can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a long service life wear -resisting power cable. BACKGROUND

[0002] Cable is made of one or more mutually insulated conductors and outer insulation protection layer, for transmission power or signal, is widely used in electric power, communication, building, industry and other fields, is the indispensable important equipment in modern society infrastructure construction and production life.

[0003] According to the utility model of a kind of long service life power cable with the announcement number CN212570523U, including cable body, the cable body includes conductor, the outer surface of the conductor is wrapped with insulating layer, the insulating layer includes nitrile rubber layer and fluorine rubber layer, the outer surface of the insulating layer is wrapped with wear -resisting layer, the wear -resisting layer includes nylon fiber layer and silica gel layer, the outer surface of the nylon fiber layer is located wear -resisting layer, the inner surface of the silica gel layer is located wear -resisting layer.The utility model in the outer surface of conductor is wrapped with insulating layer, the insulating layer includes nitrile rubber layer and fluorine rubber layer both have good insulating property, and located the inner surface of cable body, the outer surface of insulating layer is wrapped with wear -resisting layer, the wear -resisting layer includes nylon fiber layer and silica gel layer both have good toughness and wear resistance, so that the cable body reaches the purpose of long service life, solves the problem that existing power cable does not have the function of long service life, leads to the problem that the use demand of people cannot be met.

[0004] The above-mentioned cable can improve the service life of the cable body by setting the wear-resistant layer, but the wear-resistant layer wrapped outside the cable body can make the cable body difficult to bend, which is not convenient for wiring. Therefore, a long service life wear-resistant power cable is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a long service life wear-resistant power cable to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a long service life wear-resistant power cable, including cable body, the outer surface of the cable body is adhered with wear -resisting layer, a plurality of annular grooves are formed on the outer wall of the wear -resisting layer, the annular grooves are distributed at equal intervals, the cable body is composed of outer sheath, armor layer, wrapping tape and copper conductor, and the outer sheath, armor layer, wrapping tape and copper conductor are distributed from outside to inside in turn.

[0007] As a further preferred embodiment of the present technical solution, the number of copper conductors is several, and a protective layer is fixedly provided on the outer surface of each of the copper conductors.

[0008] As a further preferred of the technical solution, the protective layer is composed of an outer shielding layer, an insulation layer and an inner shielding layer, and the inner shielding layer, the insulation layer and the outer shielding layer are arranged from inside to outside in sequence.

[0009] As a further preferred of the technical solution, the wear-resistant layer is made of glass fiber material.

[0010] As a further preferred of the technical solution, an insulating filler is arranged at the gap between the wrapping tape and the copper conductor, and the insulating filler is made of spun yarn.

[0011] As a further preferred of the technical solution, the inner shielding layer and the outer shielding layer are both made of copper wire knitting, the thickness of the inner shielding layer and the outer shielding layer is 0.05-0.1mm, the insulation layer is made of cross-linked polyethylene material, and the thickness of the insulation layer is 0.7-0.1mm.

[0012] As a further preferred of the technical solution, the outer sheath is made of polyvinyl chloride material, and the thickness of the outer sheath is 1.8-2.0mm.

[0013] As a further preferred of the technical solution, the armor layer is composed of two layers of steel belts spirally wound on the outer surface of the wrapping tape, and the winding directions of the two layers of steel belts are opposite.

[0014] The utility model provides a long service life's wear -resisting power cable has the following beneficial effects:

[0015] The utility model discloses a wear -resistant layer can avoid the abrasion of the outer surface of cable body to improve the service life of cable, and the annular groove on the outer wall of wear -resistant layer can avoid the influence of wear -resistant layer on the bending of cable, and the protective layer of copper conductor outside is provided with inner and outer shielding layer, can greatly improve the anti -interference ability of this cable. ACCOUT OF DRAWINGS

[0016] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0017] Figure 2 It is the front view of the whole structure of the utility model;

[0018] Figure 3 It is the sectional view of the whole structure of the utility model;

[0019] Figure 4 It is the schematic diagram of part structure of the utility model;

[0020] In the figure: 1, cable body; 2, outer sheath; 3, armored layer; 4, wrapping tape; 5, protective layer; 6, copper conductor; 7, wear-resistant layer; 8, annular groove; 9, insulating filler; 10, outer shielding layer; 11, insulating layer; 12, inner shielding layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] The utility model provides technical schemes: as Figures 1 to 4 The utility model discloses a long service life wear -resisting power cable, including cable body 1, the outer surface of cable body 1 is adhered with wear -resistant layer 7, is set with multiple annular grooves 8 on the outer wall of wear -resistant layer 7, multiple annular grooves 8 are distributed at equal intervals, and cable body 1 is composed of outer sheath 2, armored layer 3, wrapping tape 4 and copper conductor 6, and outer sheath 2, armored layer 3, wrapping tape 4 and copper conductor 6 are sequentially distributed from outside to inside, the number of copper conductor 6 is several, the outer surface of several copper conductor 6 is all fixed with the protective layer 5 of sleeve, and the protective layer 5 is composed of outer shielding layer 10, insulating layer 11 and inner shielding layer 12, and inner shielding layer 12, insulating layer 11 and outer shielding layer 10 are sequentially distributed from inside to outside.

[0023] Wherein, wear -resistant layer 7 adopts glass fiber material, can avoid the outer surface of cable body 1 to be worn and torn, to improve the service life of cable, and the annular groove 8 set up on the outer wall of wear -resistant layer 7 can avoid the influence of wear -resistant layer 7 on the bending of cable.

[0024] Wherein, the gap between wrapping tape 4 and several copper conductors 6 is provided with insulating filler 9, and the insulating filler 9 is made of spun silk, which can enhance the flexibility of the cable and has excellent insulation performance.

[0025] Wherein, inner shielding layer 12 and outer shielding layer 10 are both woven with copper wire, and the thickness of inner shielding layer 12 and outer shielding layer 10 is 0.05-0.1mm, which is used to reduce the interference of the electromagnetic field inside the cable to the outside, prevent the influence of the external electromagnetic field on the internal signal of the cable, improve the anti-interference ability of the cable, the insulating layer 11 is made of crosslinked polyethylene material, and the thickness of the insulating layer 11 is 0.7-0.1mm, which isolates the conductor from the outside, prevents current leakage and short circuit, and plays the role of insulation and protection of the conductor.

[0026] Wherein, the outer sheath 2 is made of polyvinyl chloride material, and the thickness of the outer sheath 2 is 1.8-2.0mm, which protects the internal structure of the cable from external mechanical damage, chemical corrosion, moisture intrusion, etc., prolongs the service life of the cable.

[0027] The armored layer 3 is spirally wound by two layers of steel belts on the outer surface of the wrapping belt 4, and the two layers of steel belts are oppositely wound, so that the armored layer 3 can improve the compression resistance, tensile resistance and impact resistance of the cable.

[0028] The utility model provides a long service life's wear -resisting power cable, concrete working principle is as follows:

[0029] When using, the anti-abrasion layer 7 can avoid the outer surface of the cable body 1 from being abraded, thereby improving the service life of the cable, and the annular groove 8 arranged on the outer wall of the anti-abrasion layer 7 can avoid the anti-abrasion layer 7 from affecting the bending of the cable, and the protective layer 5 outside the copper conductor 6 is provided with inner and outer shielding layers, which can greatly improve the anti-interference ability of the cable.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant power cable with a long service life, comprising a cable body (1), characterized in that: The outer surface of the cable body (1) is bonded with an anti-wear layer (7). Multiple annular grooves (8) are provided on the outer wall of the anti-wear layer (7). The multiple annular grooves (8) are distributed at equal intervals. The cable body (1) is composed of an outer sheath (2), an armor layer (3), a wrapping tape (4), and a copper conductor (6). The outer sheath (2), armor layer (3), wrapping tape (4), and copper conductor (6) are distributed sequentially from the outside to the inside.

2. The wear-resistant power cable with long service life according to claim 1, characterized in that: The number of copper conductors (6) is several, and a protective layer (5) is fixedly sleeved on the outer surface of each copper conductor (6).

3. The wear-resistant power cable with long service life according to claim 2, characterized in that: The protective layer (5) consists of an outer shielding layer (10), an insulating layer (11), and an inner shielding layer (12), which are distributed from the inside to the outside.

4. The wear-resistant power cable with long service life according to claim 1, characterized in that: The wear-resistant layer (7) is made of glass fiber.

5. The wear-resistant power cable with long service life according to claim 1, characterized in that: An insulating filler (9) is provided in the gap between the wrapping tape (4) and the plurality of copper conductors (6), and the insulating filler (9) is made of spun yarn.

6. The wear-resistant power cable with long service life according to claim 3, characterized in that: The inner shielding layer (12) and the outer shielding layer (10) are both made of copper wire braiding. The thickness of the inner shielding layer (12) and the outer shielding layer (10) is 0.05-0.1mm. The insulating layer (11) is made of cross-linked polyethylene material. The thickness of the insulating layer (11) is 0.7-0.1mm.

7. The wear-resistant power cable with long service life according to claim 1, characterized in that: The outer sheath (2) is made of polyvinyl chloride and has a thickness of 1.8-2.0 mm.

8. The wear-resistant power cable with long service life according to claim 1, characterized in that: The armor layer (3) consists of two layers of steel strips spirally wound around the outer surface of the wrapping tape (4), with the two layers of steel strips wound in opposite directions.

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