Mining rubber jacketed flexible cable resistant to external force pulling

Abstract

The utility model discloses a mining rubber jacketed flexible cable resistant to external force pulling, which comprises a first insulating layer, an outer sheath arranged on the surface of the first insulating layer, a plurality of conductors arranged inside the first insulating layer, a high-temperature-resistant flame-retardant layer arranged on the surface of each conductor, and a second insulating layer arranged on the surface of each high-temperature-resistant flame-retardant layer. The first insulating layer is filled with a filling layer, the plurality of second insulating layers are arranged in the filling layer, a plurality of tensile ropes are arranged in the first insulating layer, a plurality of knotting blocks are arranged on the surfaces of the plurality of tensile ropes, a steel wire is arranged in the center of the interior of the first insulating layer, and the steel wire is arranged among the plurality of second insulating layers. According to the utility model, through the arrangement of the plurality of tensile ropes, the tensile effect of the cable can be improved when the cable is used, and through the knotting blocks arranged on the surfaces of the tensile ropes, when the cable is pulled, the stability of the cable is improved, and the tensile ropes are prevented from loosening in the filling layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber -covered flexible cable technical field especially relates to a mine rubber -covered flexible cable of external force resistance. BACKGROUND

[0002] Cable is a kind of conductor cable for transmitting electric energy or signal, usually by conductor, insulating layer, sheath etc. Part is composed, and the selection of cable usually depends on application scene, environmental condition, transmission distance and load requirement etc. Factor, and mine rubber -covered flexible cable is usually used in the power supply, illumination, signal transmission etc. Field of mine equipment, ensures the normal operation and safe operation of equipment.

[0003] Mine rubber -covered flexible cable is a kind of cable specially used in mine, underground etc. Special environment, mainly used for power transmission and the connection of equipment, but some existing mine cable in the production process, in order to improve the tensile effect, usually inside will set more steel wire, so that cable is not easy to be broken in actual use, and in but in actual use, when using in mine, since cable is hard, it is inconvenient to pull it, lead to will influence actual use experience, therefore need to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a mine rubber -covered flexible cable of external force resistance.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of mine rubber -covered flexible cable of external force resistance, including first insulating layer, the first insulating layer surface is provided with outer sheath, the first insulating layer inside is provided with multiple conductors, each the conductor surface is provided with high-temperature resistant flame-retardant layer, multiple the high-temperature resistant flame-retardant layer surface is provided with second insulating layer, the first insulating layer is filled with filling layer, multiple the second insulating layer is all arranged in filling layer interior, the first insulating layer inside is provided with multiple tensile ropes, multiple the tensile rope surface is provided with multiple knot blocks, the first insulating layer inside center is provided with steel wire, the steel wire is arranged between multiple second insulating layers, by the setting of multiple tensile ropes, the tensile effect of this cable can be improved when using, simultaneously again through the knot block of tensile rope surface setting, when the device is pulled, the stability of the device is improved, prevents tensile rope from producing slack in filling layer interior.

[0007] As a further scheme of the utility model, the surface of the first insulation layer is provided with a shielding layer, the shielding layer is arranged between the first insulation layer and the outer sheath, the shielding layer is made of metal woven mesh, the surface of the shielding layer is provided with a woven layer, the woven layer is arranged between the shielding layer and the outer sheath, the woven layer is made of crosslinked polyethylene woven flexible woven mesh, and is used for shielding the cable and improving the tensile effect of the device.

[0008] As a further scheme of the utility model, the surface of the woven layer is provided with an inner sheath, the inner sheath is arranged between the woven layer and the outer sheath, the inner sheath is made of heat-resistant PVC, the surface of the inner sheath is provided with a protective layer, an adhesive layer is arranged between the protective layer and the inner sheath, the protective layer is arranged on the inner wall of the outer sheath, the protective layer is made of cable wrapping tape and is made of polyester, polyvinyl chloride and nylon, and is used for improving the durability of the surface of the cable.

[0009] The utility model has the advantages of:

[0010] 1. When using, the tensile effect of the cable can be improved by arranging a plurality of tensile ropes, and the stability of the device can be improved when the device is pulled by arranging the knot blocks on the surface of the tensile ropes.

[0011] 2. The durability of the device can be improved by arranging the woven layer and the shielding layer when using, and the friction resistance effect of the device when using can also be improved by arranging the outer sheath and the protective layer. DRAWINGS

[0012] Figure 1 A front view of a mine rubber sheathed flexible cable against external force pulling is provided for the utility model;

[0013] Figure 2 A sectional structure schematic view of a mine rubber sheathed flexible cable against external force pulling is provided for the utility model;

[0014] Figure 3 An end surface structure schematic view of a mine rubber sheathed flexible cable against external force pulling is provided for the utility model.

[0015] In the drawing: 1, outer sheath; 11, protective layer; 12, adhesive layer; 13, inner sheath; 14, woven layer; 15, shielding layer; 2, first insulation layer; 21, steel wire; 22, tensile rope; 23, knot block; 24, filling layer; 3, conductor; 31, high-temperature-resistant flame-retardant layer; 32, second insulation layer. DETAILED DESCRIPTION

[0016] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0017] With reference to Figures 1-3 The mining rubber sheath flexible cable against external force pulling comprises a first insulation layer 2, an outer sheath 1 is arranged on the surface of the first insulation layer 2, a plurality of conductors 3 are arranged in the first insulation layer 2, a high-temperature-resistant flame-retardant layer 31 is arranged on the surface of each conductor 3, a second insulation layer 32 is arranged on the surface of each high-temperature-resistant flame-retardant layer 31, a filling layer 24 is filled in the first insulation layer 2, the plurality of second insulation layers 32 are arranged in the filling layer 24, a plurality of anti-pulling ropes 22 are arranged in the first insulation layer 2, a plurality of knot blocks 23 are arranged on the surface of each anti-pulling rope 22, a steel wire 21 is arranged at the center of the first insulation layer 2, and the steel wire 21 is arranged between the plurality of second insulation layers 32. Through the arrangement of the plurality of anti-pulling ropes 22, the anti-pulling effect of the cable can be improved during use. Meanwhile, through the knot blocks 23 arranged on the surface of the anti-pulling rope 22, the stability of the device can be improved when the device is pulled, and the anti-pulling rope 22 in the filling layer 24 is prevented from loosening.

[0018] With reference to Figure 1 And Figure 2 In a preferred embodiment, a shielding layer 15 is arranged on the surface of the first insulation layer 2, the shielding layer 15 is arranged between the first insulation layer 2 and the outer sheath 1, the shielding layer 15 is made of a metal woven mesh, a woven layer 14 is arranged on the surface of the shielding layer 15, the woven layer 14 is arranged between the shielding layer 15 and the outer sheath 1, the woven layer 14 is made of a flexible woven mesh woven by cross-linked polyethylene, and is used for shielding the cable and improving the anti-pulling effect of the device.

[0019] With reference to Figure 1 In a preferred embodiment, an inner sheath 13 is arranged on the surface of the woven layer 14, the inner sheath 13 is arranged between the woven layer 14 and the outer sheath 1, the inner sheath 13 is made of heat-resistant PVC, a protective layer 11 is arranged on the surface of the inner sheath 13, an adhesive layer 12 is arranged between the protective layer 11 and the inner sheath 13, the protective layer 11 is arranged on the inner wall of the outer sheath 1, the protective layer 11 is a cable wrapping tape, is made of polyester, polyvinyl chloride and nylon, and is used for improving the durability of the surface of the cable.

[0020] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in actual use, the tensile effect of the cable can be improved by arranging multiple tensile ropes 22, and the stability of the device can be improved by arranging knot blocks 23 on the surface of the tensile ropes 22, so that the tensile ropes 22 are prevented from loosening in the filling layer 24, the tensile effect of the device can be improved by arranging steel wires 21 inside when the cable is used, the device can be bent to a certain extent when used by arranging the steel wires 21 at the center, and the tensile effect of the cable can be improved by arranging multiple tensile ropes 22 inside, the anti-friction effect of the cable can be improved by arranging the braided layer 14 and the shielding layer 15 inside the outer sheath 1, and the anti-friction effect of the cable can be improved by arranging the outer sheath 1 and the protective layer 11.

[0021] For the purposes of the description, spatially relative terms— such as "above", "below", "upper", "lower", and the like— can be used to describe an element's relationship to another element as illustrated in the figures. It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if an element in the figures is turned over, then a depiction of an element below another element in one figure can be oriented supra the other element in an alternate figure. Thus, the exemplary term "below" can encompass both an orientation of supra and an orientation of infra. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0022] It is to be understood that the terms so used are merely descriptive, rather than limiting, of the exemplary embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0023] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and in the above description of the drawings merely mean different instances of similar objects and do not necessarily imply a specific order or sequence. It should be understood that the data thus used in the description is interchangeable such that the embodiments of the present application described herein can be carried out in other than the order shown or described herein without departing from the scope of the present application. Furthermore, the terms "comprise" and "have" and any variations thereof are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or apparatus that comprises a list of steps or units is not necessarily limited to those listed steps or units but can include other steps or units not expressly listed or inherent to such process, method, product, or apparatus.

[0024] The preferred embodiments of the present application are described above with the understanding that these are only the presently preferred embodiments and are not to be used to limit the present application in any way. The present application can be modified and changed in various ways by those skilled in the art, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mine-resistant, outer-pull soft rubber cable comprising a first insulating layer (2), characterized in that, The first insulating layer (2) is provided with an outer sheath (1), the first insulating layer (2) is internally provided with a plurality of conductors (3), the surface of each conductor (3) is provided with a high-temperature-resistant flame-retardant layer (31), the surface of the plurality of high-temperature-resistant flame-retardant layers (31) is provided with a second insulating layer (32), the first insulating layer (2) is internally filled with a filling layer (24), the plurality of second insulating layers (32) are arranged in the filling layer (24), the first insulating layer (2) is internally provided with a plurality of anti-pulling ropes (22), and the surface of the plurality of anti-pulling ropes (22) is provided with a plurality of knot blocks (23).

2. A mine service rubber cable resistant to external force pull according to claim 1, characterized in that, The first insulating layer (2) is internally provided with a steel wire (21) at the center, and the steel wire (21) is arranged between the plurality of second insulating layers (32).

3. A mine service rubber cable resistant to external force pulling according to claim 2, characterized in that, The surface of the first insulating layer (2) is provided with a shielding layer (15), the shielding layer (15) is arranged between the first insulating layer (2) and the outer sheath (1), and the shielding layer (15) is made of a metal woven mesh.

4. A mine service rubber cable resistant to external force pull according to claim 3, characterized in that, The surface of the shielding layer (15) is provided with a woven layer (14), the woven layer (14) is arranged between the shielding layer (15) and the outer sheath (1), and the woven layer (14) is made of a flexible woven mesh woven by cross-linked polyethylene.

5. A mine service rubber cable resistant to external force pull according to claim 4, characterized in that, The surface of the woven layer (14) is provided with an inner sheath (13), the inner sheath (13) is arranged between the woven layer (14) and the outer sheath (1), and the inner sheath (13) is made of heat-resistant PVC.

6. A mine service rubber cable resistant to external force pull according to claim 5, characterized in that, The surface of the inner sheath (13) is provided with a protective layer (11), an adhesive layer (12) is arranged between the protective layer (11) and the inner sheath (13), and the protective layer (11) is arranged on the inner wall of the outer sheath (1).

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