CN218181882U - High-temperature-resistant anti-cracking power cable - Google Patents

Abstract

The utility model discloses a high temperature resistant crack control type power cable, including outer inoxidizing coating, the outside of outer inoxidizing coating is provided with fire protection coating, the inboard of outer inoxidizing coating evenly is provided with multiunit buffering strip, and the inboard of multiunit buffering strip is provided with the buffer layer jointly, the inboard of buffer layer is provided with the glass fiber layer, the inboard of glass fiber layer evenly is provided with four groups of cable cores, the outside of four groups of cable cores is provided with the fire prevention filling layer, the inner wall of buffer layer evenly is provided with multiunit rubber bump A; the utility model discloses a mutually support between rubber bump A, buffer layer, buffering strip and the rubber bump B for the device is when receiving pressure, can push the deformation that buffering strip produced earlier, comes to cushion pressure for the first time, can promote buffer layer deformation after that, makes rubber bump A and rubber bump B extrude each other, comes pressure to disperse around, further alleviates the device and bears pressure.

Description

High-temperature-resistant anti-cracking power cable

Technical Field

The utility model relates to a power cable technical field specifically is a high temperature resistant crack control type power cable.

Background

Electric energy becomes one of indispensable energy sources in modern life, a cable is equipment for conveying electric power, the cable is of a plurality of types and is involved in various fields, and therefore, in order to ensure that the cable can be used in various environments, the performance of the cable is gradually superior;

some problems with existing devices: the existing device has poor buffering performance, and is difficult to relieve the stress when encountering strong pressure, so that the cable is easy to break, cracks are formed, and the service life of the cable is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant crack control type power cable to propose current problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant crack control type power cable, includes outer inoxidizing coating, the outside of outer inoxidizing coating is provided with fire protection coating, the inboard of outer inoxidizing coating evenly is provided with multiunit buffering strip, multiunit the inboard of buffering strip is provided with the buffer layer jointly, the inboard of buffer layer is provided with the glass fiber layer, the inboard on glass fiber layer evenly is provided with four group's cable cores, four groups the outside of cable core is provided with the fire prevention filling layer, the inner wall of buffer layer evenly is provided with multiunit rubber bump A, the outside on glass fiber layer evenly is provided with multiunit and rubber bump A matched with rubber bump B.

Preferably, six groups of circular tubes are uniformly arranged inside the outer protective layer and are made of steel, so that the strength of the device can be improved.

Preferably, the inner side of the buffer layer is provided with four groups of grooves, the rubber bumps A and the rubber bumps B are positioned in the grooves and are distributed in a staggered structure, so that when the device is stressed, the rubber bumps A and the rubber bumps B can be mutually extruded to disperse the pressure.

Preferably, the inboard of buffering strip is provided with the dashpot, and the cross-sectional shape of dashpot is triangle-shaped, the buffering strip is made by the rubber material, and accessible buffering strip deformation, buffer bear pressure.

Preferably, the fireproof filling layer is located in a cavity between the cable core and the glass fiber layer, so that the cable core can be protected, and fire can be prevented.

Preferably, the outer sides of the four groups of cable cores are provided with insulating layers, so that the cable cores can be prevented from being contacted with each other.

Compared with the prior art, the beneficial effects of the utility model are that: this high temperature resistant crack control type power cable passes through rubber bump A, the buffer layer, mutually support between buffer strip and the rubber bump B, make the device when receiving pressure, can extrude the deformation that buffer strip produced earlier, come to cushion pressure for the first time, can promote buffer layer deformation after that, make rubber bump A and rubber bump B extrude each other, come pressure to disperse to every side, further alleviate the device and bear pressure, make the device have certain deformation space, the shock-absorbing capacity of device has been promoted, can prevent to appear the crackle when meeting with stronger pressure, the life of device has been prolonged.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

fig. 3 is a perspective view of the buffering strip of the present invention.

In the figure: 1. an outer protective layer; 2. a rubber bump A; 3. a glass fiber layer; 4. a cable core; 5. a fire-resistant filler layer; 6. a buffer layer; 7. a buffer strip; 8. a fire-retardant coating; 9. and a rubber bump B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a high-temperature-resistant anti-cracking power cable comprises an outer protective layer 1, six groups of round tubes are uniformly arranged inside the outer protective layer 1 and made of steel materials, the strength of a device can be improved, a fireproof coating 8 is arranged on the outer side of the outer protective layer 1, a plurality of groups of buffer strips 7 are uniformly arranged on the inner side of the outer protective layer 1, buffer grooves are formed in the inner sides of the buffer strips 7, the cross sections of the buffer grooves are triangular, the buffer strips 7 are made of rubber materials and can deform through the buffer strips 7, the buffer devices bear pressure, buffer layers 6 are jointly arranged on the inner sides of the groups of buffer strips 7, four groups of grooves are formed in the inner sides of the buffer layers 6, rubber bumps A2 and rubber bumps B9 are located in the grooves, the rubber bumps A2 and the rubber bumps B9 are distributed in a staggered structure, and therefore when the device is under pressure, the rubber bumps A2 and the rubber bumps B9 can be mutually extruded to disperse the pressure;

the inboard of buffer layer 6 is provided with glass fiber layer 3, the inboard of glass fiber layer 3 evenly is provided with four group's cable cores 4, the outside of four group's cable cores 4 is provided with the insulating layer, can prevent to contact each other between the cable core 4, the outside of four group's cable cores 4 is provided with fire prevention filling layer 5, fire prevention filling layer 5 is located the cavity between cable core 4 and glass fiber layer 3, can protect cable core 4, prevent to catch fire, the inner wall of buffer layer 6 evenly is provided with multiunit rubber bump A2, the outside of glass fiber layer 3 evenly is provided with multiunit and rubber bump A2 matched with rubber bump B9.

The working principle is as follows: when the device is used, external high temperature can be blocked by the fireproof coating 8, then the isolation effect is further enhanced by the glass fiber layer 3, then the fire inside the cable can be prevented by the fireproof filling layer 5, and the high temperature resistance of the device can be improved again;

receive when the extrusion at the device, can extrude earlier buffer strip 7 and produce deformation, for the device provides buffer space, can alleviate the pressure of suffering for the first time, buffer layer 6 deformation can be extruded to pressure after that, make rubber bump A2 extrude each other with glass fiber layer 3, can be with pressure to dispersion on every side, can change some pressure's application of force direction, carry out the buffering of the second time to pressure, make the device have better shock-absorbing capacity, can prevent that the device from appearing the crackle, service life has been prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a high temperature resistant crack control type power cable, includes outer inoxidizing coating (1), its characterized in that: the outside of outer inoxidizing coating (1) is provided with fire protection coating (8), the inboard of outer inoxidizing coating (1) evenly is provided with multiunit buffering strip (7), multiunit the inboard of buffering strip (7) is provided with buffer layer (6) jointly, the inboard of buffer layer (6) is provided with glass fiber layer (3), the inboard of glass fiber layer (3) evenly is provided with four groups cable core (4), four groups the outside of cable core (4) is provided with fire prevention filling layer (5), the inner wall of buffer layer (6) evenly is provided with multiunit rubber bump A (2), the outside on glass fiber layer (3) evenly is provided with multiunit and rubber bump A (2) matched with rubber bump B (9).

2. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: six groups of round tubes are uniformly arranged inside the outer protective layer (1), and the round tubes are made of steel.

3. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: the inner side of the buffer layer (6) is provided with four groups of grooves, the rubber bumps A (2) and the rubber bumps B (9) are positioned in the grooves, and the rubber bumps A (2) and the rubber bumps B (9) are distributed in a staggered structure.

4. The high temperature resistant anti-cracking power cable according to claim 1, characterized in that: the inner side of the buffer strip (7) is provided with a buffer groove, the cross section of the buffer groove is triangular, and the buffer strip (7) is made of rubber.

5. The high temperature resistant anti-cracking power cable according to claim 1, characterized in that: and the fireproof filling layer (5) is positioned in a cavity between the cable core (4) and the glass fiber layer (3).

6. The high temperature resistant and crack resistant power cable according to claim 1, characterized in that: and insulating layers are arranged on the outer sides of the four groups of cable cores (4).

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