CN221057172U

CN221057172U - Anti-torsion low-temperature-resistant insulated cable

Info

Publication number: CN221057172U
Application number: CN202322796486.1U
Authority: CN
Inventors: 虞姚沈; 胡云峰
Original assignee: Liaoning Kester Cable Group Co ltd
Current assignee: Liaoning Kester Cable Group Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-31
Anticipated expiration: 2033-10-18

Abstract

The utility model discloses an anti-twisting low temperature resistant insulated cable, which comprises: a wire; the insulation layer is wrapped on the outer wall of the wire; the protective layer is sleeved on the outer wall of the insulating layer; the isolating strips are attached to the outer walls of the insulating layers; the heat preservation, the heat preservation is fixed to be set up in the outer wall of protective layer. The utility model relates to the technical field of cables, and the isolation strips are arranged on the outer walls of three wires and an insulating layer, so that the intervals among the three wires are fixed, meanwhile, the isolation strips have higher thermal isolation effect, are moderate in hardness, avoid deformation during stretching, can be bound on a winding roller during winding, and can well isolate heat transfer between the inside of the cable and the outside temperature by the insulating layer arranged outside the protective layer, and when the cable is used in a low-temperature environment, the peeling phenomenon is avoided, so that the service life of the cable is prolonged.

Description

Anti-torsion low-temperature-resistant insulated cable

Technical Field

The utility model relates to the technical field of cables, in particular to an anti-twisting low-temperature-resistant insulated cable.

Background

The cable is a special cable applied to power transmission in a power system, and the existing power cable has various functions and needs to ensure that the cable has the characteristic of surrounding environment resistance. The cable is ensured to be firm and not easy to damage, is not easy to be influenced by external temperature, and the absolute insulation effect is ensured to be the basic requirement of the cable, and the power cable cannot meet the use requirement due to poor effect. At present, most cables are only provided with a single protective layer when being used, the anti-twisting capability is deviated, and the phenomenon of cable peeling is likely to occur at a lower temperature when the cable is used in a cold environment, so that the service life of the cable is lower.

Disclosure of utility model

In order to solve the above problems, that is, the problems set forth in the background art, the present utility model provides an anti-twisting low temperature resistant insulated cable, comprising:

a wire;

The insulation layer is wrapped on the outer wall of the wire;

The protective layer is sleeved on the outer wall of the insulating layer;

The isolating strips are attached to the outer walls of the insulating layers;

The heat preservation layer is fixedly arranged on the outer wall of the protective layer.

Preferably, the inner cavity of the protective layer is inserted with a plurality of hemp ropes.

Preferably, the outer wall of the hemp rope is fixedly provided with a wear-resistant layer.

Preferably, the plurality of strip-shaped grooves of the isolating strip are respectively matched with the outer wall sizes of the plurality of insulating layers.

The beneficial technical effects of the utility model are as follows: through setting up the parting bead at the outer wall of three wire and insulating layer, make the interval between three strip lines fixed, the parting bead has higher thermal barrier effect simultaneously, and soft or hard degree is moderate, avoid warping when tensile, can tie up on the wind-up roll simultaneously when the rolling, and the heat transfer of the inside and external temperature of insulating cable that the heat preservation that the protective layer set up outside can be fine, when the cable uses under the lower environment of temperature, avoid appearing peeling phenomenon, and the holistic abrasion resistance of wearing layer multiplicable cable of the wearing layer that sets up outside the heat preservation, and then increased the life of cable.

Drawings

Fig. 1 shows a schematic perspective view of the present utility model.

Fig. 2 shows a schematic structural diagram of the spacer according to the utility model.

Reference numeral 1, a wire; 2. an insulating layer; 3. a protective layer; 4. a spacer; 5. a heat preservation layer; 6. hemp ropes; 7. and a wear-resistant layer.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

The utility model provides an anti-twisting low temperature resistant insulated cable, which comprises a wire 1, an insulating layer 2, a protective layer 3, a spacer 4 and a heat preservation layer 5, wherein the insulating layer 2 is wrapped on the outer wall of the wire 1, the protective layer 3 is sleeved on the outer wall of the insulating layer 2, the protective layer 3 and the insulating layer 2 are all of the prior art, the spacer 4 is attached to the outer walls of a plurality of insulating layers 2 without excessive details, the spacer 4 is made of polypropylene, is an amorphous thermoplastic plastic, has extremely high tensile strength, rigidity, high temperature resistance and the like, so that the polypropylene becomes an important raw material for manufacturing high-strength materials, the heat preservation layer 5 is fixedly arranged on the outer wall of the protective layer 3, the heat preservation layer 5 is made of polyurethane rubber, is a novel heat preservation material, is made of a polymer composed of polyalcohol and isocyanate, has excellent heat preservation performance, is not easy to age, is not deformed, is not water-absorbing and is impermeable, and has a heat preservation effect better than that of the traditional materials, and can save energy effectively.

Specifically, the inner cavity of the protective layer 3 is inserted with a plurality of hemp ropes 6, the hemp ropes 6 inserted in the protective layer 3 can play a role in filling, and meanwhile, the hemp ropes 6 have the characteristic of high tensile strength.

Specifically, the outer wall of the hemp rope 6 is fixedly provided with the wear-resistant layer 7, and the wear-resistant layer 7 is made of silicon rubber, so that the hemp rope has the advantages of acid and alkali resistance, good weather resistance and the like, and is widely applied to the fields of electronics, machinery, automobile manufacturing and the like.

Specifically, the plurality of strip-shaped grooves of the isolating strips 4 are respectively matched with the outer wall dimensions of the plurality of insulating layers 2, and the design purpose is that the plurality of wires 1 with the insulating layers 2 can be stably isolated between the isolating strips 4.

Working principle: when using this cable, through setting up barrier rib 4 at the outer wall of three wire 1 and insulating layer 2, make the interval between the three ribbon lines by fixed, barrier rib 4 has higher thermal barrier effect simultaneously, and soft or hard degree is moderate, avoid warping when tensile, can tie up on the wind-up roll simultaneously when the rolling, a plurality of twines 6 of grafting in protective layer 3 can play the effect of packing, twine 6 also has the characteristics that tensile strength is high, and the heat transfer of the inside and external temperature of insulating layer 5 that protective layer 3 set up can be fine, when the cable uses under the environment that the temperature is lower, avoid appearing the phenomenon of peeling, and the holistic abrasion resistance of cable can be increased to wearing layer 7 that sets up outside insulating layer 5, and then the life of cable has been increased.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and in particular, the technical features set forth in the various embodiments may be combined in any manner so long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

In the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, 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, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims

1. An anti-twisting low temperature resistant insulated cable, comprising:

a wire (1);

the insulation layer (2) is wrapped on the outer wall of the wire (1);

the protective layer (3) is sleeved on the outer wall of the insulating layer (2);

the isolating strips (4) are attached to the outer walls of the insulating layers (2);

The heat preservation layer (5), heat preservation layer (5) is fixed set up in the outer wall of protective layer (3).

2. The anti-twisting low temperature resistant insulated cable according to claim 1, wherein: the inner cavity of the protective layer (3) is inserted with a plurality of hemp ropes (6).

3. The anti-twisting low temperature resistant insulated cable according to claim 2, wherein: the outer wall of the hemp rope (6) is fixedly provided with a wear-resistant layer (7).

4. The anti-twisting low temperature resistant insulated cable according to claim 1, wherein: the strip grooves of the isolating strips (4) are respectively matched with the outer wall of the insulating layers (2).