Visual reel cable

Abstract

The utility model relates to the technical field of cables, and particularly discloses a visual reel cable, which comprises a power core conductor and an outer sheath layer, and the circumferential outer wall of the power core conductor is wrapped with a conductor shield. The power wire core conductors can ensure the flexibility of the reel cable; when the stranded wire is bent, the power wire core conductors are not prone to deformation or breakage, good flexibility and ductility are achieved, the strength and abrasion resistance of the reel cable are enhanced, the outer sheath reflective strips can be tightly attached to the outer sheath layer through the arrangement of the outer sheath reflective strips, and the outer sheath reflective strips and the outer sheath layer form a whole. The defect that an outer sheath reflective strip prepared through a traditional spraying method and the like is prone to falling off is overcome, meanwhile, the transparent protective layer is arranged, the outer sheath reflective strip can be further protected, and the situation that the outer sheath reflective strip is abraded when being rolled by passing vehicles, and consequently the reflective effect is poor is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a visual reel cable. BACKGROUND

[0002] With the continuous development of mining technology, the requirement of coal resource exploitation efficiency and exploitation quality is higher and higher, therefore the requirement of mining equipment is also upgrading, the cable is pulled out from the roller by the coal mining machine when the coal mining machine advances, and the cable is wound by the roller when the coal mining machine retreats, the inner circle of the cable is subjected to great pressure and the outer circle of the cable is subjected to great tension when the cable is bent, the cable is subjected to great longitudinal tension when the coal mining machine walks, therefore the cable core of the coal mining machine is easy to break, so the coal mining machine should have the protection function of cable bending, and under the working condition of the coal mining machine, it is obviously very difficult to do, therefore it is necessary to consider that the cable itself has certain bending resistance, that is, the cable can still keep normal operation, the conductor does not break, and the insulation and sheath material do not crack for several thousand times or even ten thousand times under certain temperature and certain specific radius.

[0003] The mine cable is the guarantee of power supply and communication in coal mining, and its stability has a decisive influence on the efficiency and quality of coal mining work. However, the working environment in the coal mine is relatively complex, and factors such as lightning overvoltage lead to cable damage and short circuit accidents, thereby causing fire and seriously affecting the mining of open-pit coal mines. In addition, the part of the open-pit coal mine cable laid on the ground is easy to be damaged by passing vehicles, especially at night.

[0004] In view of the above problems, a visual reel cable is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a visual reel cable to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A visual reel cable, comprising a power core conductor and an outer sheath layer, the power core conductor is wrapped with a conductor shield on the circumferential outer wall, the conductor shield is wrapped with an insulation layer on the circumferential outer wall, an insulation shield is arranged on the outer side of the insulation layer, and a light-reflecting piece is arranged on the outer sheath layer;

[0008] The light-reflecting piece comprises an outer sheath light-reflecting strip, a plurality of groups of outer sheath light-reflecting strips are arranged on one side of the outer sheath layer, the outer sheath light-reflecting strip and the circumferential outer wall of the outer sheath layer are wrapped with a transparent protective layer in the same group;

[0009] The inner sheath is arranged in the outer sheath layer, and at least three groups of ground wire cores are arranged in the inner sheath.

[0010] In an alternative, the number of the power line core conductors is three groups, and the three groups of the power line core conductors are arranged in the inner sheath in an equidistant circular distribution.

[0011] In an alternative, the center of the inner sheath is provided with an optical fiber unit, and a fire-resistant fiber layer is arranged in the inner sheath.

[0012] In an alternative, the ground wire cores are arranged in the inner sheath in an equidistant circular distribution, and the two sides of the ground wire cores are in contact with two groups of insulation shields.

[0013] In an alternative, the circumferential outer wall of the three groups of the insulation shields is in contact with the circumferential outer wall of a group of optical fiber units.

[0014] In an alternative, the outer sheath layer is provided with a composite tensile layer, and the inner sheath is arranged in the composite tensile layer.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a power line core conductor, an outer sheath reflective strip, an outer sheath layer and a transparent protective layer are arranged, the power line core conductor can guarantee the softness of the reel cable, and the power line core conductor is not easy to deform or break when the stranded wire is bent, so that the reel cable has good softness and ductility, the strength and wear resistance of the reel cable are enhanced, the outer sheath reflective strip is closely attached on the outer sheath layer and forms an integral whole with the outer sheath layer by arranging the outer sheath reflective strip, the outer sheath reflective strip prepared by the traditional spraying method is easy to fall off, and the like is avoided, and the transparent protective layer is arranged, the outer sheath reflective strip is further protected, and the wear of the outer sheath reflective strip caused by the rolling of passing vehicles is reduced.

[0017] The utility model discloses an inner sheath, which has good mechanical and electrical properties, and has the advantages of oil resistance, heat resistance and corrosion resistance, and can enhance wear resistance. ACCURACY OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the utility model.

[0019] Fig. 2 It is a structural schematic view of the utility model in the place where the power line core conductor is located.

[0020] Fig. 3 It is a structural schematic view of the utility model in the place where the optical fiber unit is located.

[0021] In the figure: 101, power line core conductor; 102, conductor shield; 103, insulation layer; 104, insulation shield; 105, monitoring line core and semi-conductive tape wrapping layer; 106, optical fiber unit; 107, inner sheath; 108, composite tensile layer; 109, ground wire core; 110, outer sheath reflective strip; 111, outer sheath layer; 112, refractory fiber layer; 113, transparent protective layer. DETAILED DESCRIPTION

[0022] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] Please refer to Figs. 1-3 In the present embodiment, a visual winding cable includes a power line core conductor 101 and an outer sheath layer 111, the power line core conductor 101 is wrapped with a conductor shield 102 on the circumferential outer wall, the conductor shield 102 is wrapped with an insulation layer 103 on the circumferential outer wall, the outer side of the insulation layer 103 is provided with an insulation shield 104, and the outer sheath layer 111 is provided with a reflective piece;

[0025] The reflective piece includes an outer sheath reflective strip 110, a plurality of groups of the outer sheath reflective strip 110 are arranged on one side of the outer sheath layer 111, and the outer sheath reflective strip 110 and the outer sheath layer 111 are wrapped with the same group of transparent protective layer 113 on the circumferential outer wall.

[0026] The inner sheath 107 is arranged in the outer sheath layer 111, at least three groups of ground wire cores 109 are arranged in the inner sheath 107, and not less than three groups of monitoring line cores and semi-conductive tape wrapping layers 105 are arranged on the inner sheath 107.

[0027] The number of the power line core conductors 101 is three groups, the three groups of the power line core conductors 101 are distributed in the inner sheath 107 in equidistant circular, the power line core conductors 101 can ensure the softness of the drum cable; the power line core conductors 101 are not prone to deformation or breakage when the wire is bent, and the power line core conductors 101 have good softness and ductility.

[0028] The center of the inner sheath 107 is provided with the optical fiber unit 106, and the inner sheath 107 is provided with the fire-resistant fiber layer 112, and the fire-resistant fiber layer 112 can improve the overall fire resistance of the cable.

[0029] The ground wire core 109 is distributed in the inner sheath 107 in equidistant circular, and the two sides of the ground wire core 109 are in contact with the two groups of insulation shields 104.

[0030] The circumferential outer wall of the three groups of insulation shields 104 is in contact with the circumferential outer wall of the group of optical fiber units 106, the optical fiber unit 106 is arranged, the temperature and strain are monitored in real time through the optical fiber unit 106, the fault early warning is realized in combination with the Internet of Things, and the operation and maintenance efficiency is improved.

[0031] The outer sheath layer 111 is provided with the composite tensile layer 108, and the inner sheath 107 is arranged in the composite tensile layer 108, and the composite tensile layer 108 can enhance the toughness of the power line core conductor 101 and improve the tensile resistance.

[0032] The working principle of the utility model is that: the conductor strand of the power line core conductor 101 is controlled within 12 times, and the strand diameter ratio of the re-twisted strand is controlled within 10 times, so as to ensure the softness of the drum cable; the strand and the re-twisted strand are regularly concentrically twisted in the same direction, and the outer twisted direction is left, the advantages of this kind of twisting method are that the conductor surface is not damaged in the twisting process, and the position of each strand in the conductor is alternately in the elongation area of the upper part of the twisted wire and the compression area of the lower part of the twisted wire, the power line core conductor 101 is not prone to deformation or breakage when the wire is bent, the power line core conductor 101 has good softness and ductility, the conductor shield 102 serves as a ground wire, and the anti-interference ability and the tensile resistance of the cable are improved, the inner sheath 107 has good mechanical and electrical properties, and has the advantages of oil resistance, heat resistance and corrosion resistance, and the wear resistance can be enhanced; the outer sheath reflective strip 110 is closely attached to the outer sheath layer 111, and forms a whole with the outer sheath layer 111, avoiding the shortcomings that the outer sheath reflective strip 110 prepared by the traditional spraying method is easy to fall off, and the fire-resistant fiber layer 112 is arranged, the fire resistance can be improved, the transparent protective layer 113 is arranged, the outer sheath reflective strip 110 can be further protected, and the abrasion of the outer sheath reflective strip 110 in the use process is reduced, so that the poor reflective effect is avoided.

[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A visual reel cable, comprising a power conductor core (101) and an outer sheath layer (111), characterized in that: The outer circumference of the power core conductor (101) is wrapped with a conductor shield (102), the outer circumference of the conductor shield (102) is wrapped with an insulation layer (103), an insulation shield (104) is provided on the outside of the insulation layer (103), and a reflective element is provided on the outer sheath layer (111). The reflective element includes an outer sheath reflective strip (110), and several sets of the outer sheath reflective strips (110) are disposed on one side outside the outer sheath layer (111). The outer sheath reflective strips (110) and the outer circumferential outer wall of the outer sheath layer (111) are wrapped with the same set of transparent protective layers (113). An inner sheath (107) is provided inside the outer sheath layer (111), and at least three sets of ground wire cores (109) are provided inside the inner sheath (107). At least three sets of monitoring wire cores and a semi-conductive strip wrapping layer (105) are provided on the inner sheath (107).

2. The visual reel cable according to claim 1, characterized in that: The number of power conductors (101) is three groups, and the three groups of power conductors (101) are distributed in an equally spaced circular pattern within the inner sheath (107).

3. The visual reel cable according to claim 1, characterized in that: The inner sheath (107) has an optical fiber unit (106) at its center, and a fire-resistant fiber layer (112) is provided inside the inner sheath (107).

4. A visual reel cable according to claim 1, characterized in that: The ground wire core (109) is distributed in a circular pattern at equal intervals within the inner sheath (107), and the two sides of the ground wire core (109) are in contact with two sets of insulating shields (104).

5. A visual reel cable according to claim 1, characterized in that: The outer circumferential walls of the three sets of insulating shields (104) are in contact with the outer circumferential walls of a set of optical fiber units (106).

6. A visual reel cable according to claim 1, characterized in that: The outer sheath layer (111) is provided with a composite tensile layer (108), and the composite tensile layer (108) is provided with an inner sheath (107).

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