CN215834279U - Fracture low tension cable is prevented in resistance to compression - Google Patents

Abstract

The utility model relates to a compression-resistant anti-fracture low-voltage cable which comprises conductors, an inner insulating layer, a filling layer, an elastic buffer layer, a waterproof layer, a fireproof glass fiber belt layer, an aluminum plate layer and an outer insulating layer. The carbon steel wire has the beneficial effects that the tensile capacity is enhanced by the carbon steel wire, the elasticity and the activity performance among the elastic rubber balls are avoided, the conductor is prevented from being damaged in the process of extruding the cable, the safety performance is improved by the waterproof layer, the fireproof glass fiber has fireproof performance, the air bag strip has a buffering effect, the tensile capacity is improved by the tensile wire, and the service life of the low-voltage cable is prolonged.

Description

Fracture low tension cable is prevented in resistance to compression

Technical Field

The utility model relates to the technical field of cables, in particular to a compression-resistant and fracture-resistant low-voltage cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, compensation cable, shielding cable, flame-retardant cable, computer cable, signal cable, coaxial cable, fire-resistant cable, ship cable, mining cable, aluminum alloy cable and the like. They are composed of single-strand or multi-strand wires and insulating layer for connecting circuit and electric appliances, and are used in different places

Present low tension cable top layer protective structure is unstable, takes place the damage easily to lead to inside sinle silk to expose easily, and then appear power failure or communication trouble easily, cause very big influence to production and normal life easily, in addition, can be by the article compaction in use at outdoor low voltage, the cable that has now can cause the harm in extrusion process, to this we provide a cracked low tension cable is prevented in the resistance to compression.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure-resistant fracture-resistant low-voltage cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a compression-resistant and fracture-resistant low-voltage cable comprises conductors, an inner insulating layer, a filling layer, an elastic buffer layer, a waterproof layer, a fireproof glass fiber band layer, an aluminum plate layer and an outer insulating layer, wherein the low-voltage cable comprises four conductors, the inner insulating layer is wrapped on the outer sides of the conductors, the filling layer is arranged on the outer side of the inner insulating layer, the elastic buffer layer is arranged on the outer side of the filling layer, a plurality of elastic rubber balls made of rubber materials are uniformly filled in the elastic buffer layer, the waterproof layer is arranged on one side, far away from the filling layer, of the elastic buffer layer, the waterproof layer is arranged on one side, far away from the elastic buffer layer, of the waterproof layer, the fireproof glass fiber band layer is arranged on one side, far away from the waterproof layer, of the fireproof glass fiber band layer, the aluminum plate layer is arranged on one side, far away from the fireproof glass fiber band layer, of the aluminum plate layer is provided with the outer insulating layer, and a plurality of air bag strips are uniformly arranged in the outer insulating layer.

Furthermore, the conductor is made of conductive materials such as copper wires or aluminum wires, the inner insulating layer and the outer insulating layer are made of polyethylene, and the thicknesses of the inner insulating layer and the outer insulating layer are both 2-3 mm.

Furthermore, a plurality of carbon steel wires are filled between the four conductors.

Further, the air bag strip is of an arc-shaped structure.

Furthermore, a plurality of tensile wires are uniformly arranged between the air bag strips in the outer insulating layer.

Compared with the prior art, the utility model has the following beneficial effects: tensile ability in the carbon steel wire reinforcing conductor, avoid the conductor fracture, the intraformational elastic rubber ball of elastic buffer who is equipped with protects the conductor of inside in cable atress extrusion process, elasticity and moving property through between the elastic rubber ball, avoid haring the conductor in the cable extrusion, the waterproof layer increases the security performance, make the cable use safety and stability more, fire prevention glass fiber belt layer makes the cable have fire behavior, increase cable practicality, and the gasbag strip of outer insulation layer makes the cable have the buffering effect in the extrusion, the tensile strength that the tensile cord made the cable improves, the life of extension low tension cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a compression-resistant fracture-resistant low-voltage cable implemented in accordance with the present invention;

reference numerals:

1. a conductor; 2. an inner insulating layer; 3. a filling layer; 4. an elastic buffer layer; 41. an elastic rubber ball; 5. a waterproof layer; 6. a layer of fire-resistant fiberglass tape; 7. an aluminum plate layer; 8. an outer insulating layer; 81. an air bag strip; 82. resisting the pulling wire; 9. a carbon steel wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the low-voltage cable with compression resistance and fracture resistance according to the present invention includes a conductor 1, an inner insulating layer 2, a filling layer 3, an elastic buffer layer 4, a waterproof layer 5, a fire-proof glass fiber tape layer 6, an aluminum plate layer 7 and an outer insulating layer 8, the low-voltage cable includes four conductors 1, the outer sides of the conductors 1 are wrapped with the inner insulating layer 2, the outer side of the inner insulating layer 2 is provided with the filling layer 3, the outer side of the filling layer 3 is provided with the elastic buffer layer 4, the elastic buffer layer 4 is uniformly filled with a plurality of rubber elastic rubber balls 41, one side of the elastic buffer layer 4, which is far away from the filling layer 3, is provided with the waterproof layer 5, one side of the waterproof layer 5, which is far away from the elastic buffer layer 4, is provided with the fire-proof glass fiber tape layer 6, one side of the fire-proof glass fiber tape layer 6, which is far away from the waterproof layer 5, is provided with the aluminum plate layer 7, keep away from fire prevention glass fiber band layer 6 one side on the aluminium sheet layer 7 and be equipped with outer insulating layer 8, and evenly be equipped with a plurality of gasbag strip 81 in outer insulating layer 8.

The conductor 1 is made of conductive materials such as copper wires or aluminum wires, the inner insulating layer 2 and the outer insulating layer 8 are made of polyethylene, the thicknesses of the inner insulating layer 2 and the outer insulating layer 8 are both 2-3mm, and the cable is stable in property.

Wherein, a plurality of carbon steel wires 9 are filled between the four conductors 1, so that the tensile resistance in the conductors 1 is improved, and the conductors 1 are prevented from being damaged.

Wherein, gasbag strip 81 is the arc structure, increases area of contact for realize the buffering effect in the cable extrusion.

Wherein, lie in evenly being equipped with a plurality of tensile line 82 between gasbag strip 81 in the outer insulation layer 8 for the fracture resistance of cable improves.

Principle of operation

According to the scheme of the utility model, when the compression-resistant anti-fracture low-voltage cable is used, the carbon steel wire 9 enhances the tensile capacity in the conductor 1 to avoid conductor fracture, the elastic rubber ball 41 in the elastic buffer layer 4 is arranged to protect the inner conductor 1 in the cable stress extrusion process, the damage to the conductor 1 in the cable extrusion process is avoided through the elasticity and the activity performance among the elastic rubber balls 41, the safety performance is improved by the waterproof layer 5, the cable is safer and more stable to use, the fireproof glass fiber band layer 6 enables the cable to have fireproof performance and the practical performance of the cable is improved, the airbag strip 81 of the outer insulating layer 8 enables the cable to have a buffer effect in the extrusion process, the tensile wire 82 enables the tensile capacity of the cable to be improved, and the service life of the low-voltage cable is prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The compression-resistant fracture-resistant low-voltage cable comprises conductors (1), an inner insulating layer (2), a filling layer (3), an elastic buffer layer (4), a waterproof layer (5), a fireproof glass fiber belt layer (6), an aluminum plate layer (7) and an outer insulating layer (8), and is characterized in that the low-voltage cable comprises four conductors (1), the outer sides of the conductors (1) are all wrapped with the inner insulating layer (2), the outer side of the inner insulating layer (2) is provided with the filling layer (3), the outer side of the filling layer (3) is provided with the elastic buffer layer (4), a plurality of elastic rubber balls (41) made of rubber materials are uniformly filled in the elastic buffer layer (4), the waterproof layer (5) is arranged on one side, far away from the filling layer (3), of the waterproof layer (5) is arranged on one side, far away from the elastic buffer layer (4), of the waterproof layer (5), keep away from on waterproof layer (5) elastic buffer layer (4) one side is equipped with fire prevention glass fiber belt layer (6), keep away from on fire prevention glass fiber belt layer (6) waterproof layer (5) one side is equipped with aluminum plate layer (7), keep away from on aluminum plate layer (7) fire prevention glass fiber belt layer (6) one side is equipped with outer insulating layer (8), just evenly be equipped with a plurality of gasbag strip (81) in outer insulating layer (8).

2. The compression-resistant fracture-resistant low-voltage cable as claimed in claim 1, wherein the conductor (1) is made of a copper wire or an aluminum wire, the inner insulating layer (2) and the outer insulating layer (8) are made of polyethylene, and the thicknesses of the inner insulating layer (2) and the outer insulating layer (8) are both 2-3 mm.

3. The compression-resistant fracture-resistant low-voltage cable as claimed in claim 1, wherein a plurality of carbon steel wires (9) are filled between four conductors (1).

4. The compression-resistant fracture-resistant low-voltage cable as claimed in claim 1, wherein the air bag strip (81) is of an arc-shaped structure.

5. The compression-resistant fracture-resistant low-voltage cable as claimed in claim 1, wherein a plurality of tension-resistant wires (82) are uniformly arranged in the outer insulating layer (8) between the air bag strips (81).

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