CN218768818U

CN218768818U - Weather-proof and fireproof cable

Info

Publication number: CN218768818U
Application number: CN202223092909.3U
Authority: CN
Inventors: 左懋键; 周琴
Original assignee: Zhongshan Weifeng Electric Appliance Co ltd
Current assignee: Zhongshan Weifeng Electric Appliance Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-28
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a resistant cable of waiting fire prevention belongs to cable technical field, including hollow hose, hollow hose's the outside is provided with six group's sinle silks, the outside cover of sinle silks is equipped with the parcel layer, the utility model discloses a set up hollow hose between the sinle silks, not only can promote the compressive property of cable, prevent that the cable is when receiving the extrusion, the compact unable buffering of cable inner structure leads to the impact force to destroy wearing layer and the flame retardant coating in the outside, can pass through hollow hose to both ends diffusion with local heat simultaneously, then externally carry out abrasive treatment through wear-resisting granule rubber coating and graphite wearing layer to the line skin of cable, prevent that the sinle silks from exposing outside, the silicon rubber cover has the characteristic that prevents the rubber burning simultaneously, delays the speed of cable burning, utilizes ceramic microballon's thermal-insulated coating layer and thick type fire prevention coating to keep apart reinforced rubber cover and wear-resistant rubber cover.

Description

Weather-proof and fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be a resistant cable of waiting fire prevention.

Background

A cable is an electrical energy or signal transmission device, typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

Need long-time transmission of electricity work after the cable erection, because long-time incessant operation, the electric energy has the weak of certain degree in the transportation, the main way of weakening is generated heat for the sinle silk, turn into internal energy with the electric energy and run off, because sinle silk outside parcel has the protective sheath to the sinle silk protection, the heat gathers easily in inside, simultaneously outside environment accelerates the ageing speed of outside protective sheath easily, make outside protective sheath damaged, reduce the life of cable, need protecting the cable to what aim at according to the service environment of cable, it is ageing to delay the cable.

In the prior art, publication no: CN216749350U, a chinese utility model discloses a cable, which comprises a cable body, a flexible sleeve, a semiconductor shielding layer, an insulating layer, an anti-corrosion layer and a protective layer, wherein the cable body is arranged inside the flexible sleeve, and the semiconductor shielding layer is arranged at the periphery of the flexible sleeve. The utility model discloses an anti extrusion is strong, long service life, and what corrosion-resistant layer can be better uses in adverse circumstances, increases its suitability.

According to the technical scheme, the outer side of the cable body is sequentially provided with the soft sleeve, the semiconductor shielding layer and the insulating layer, heat generated around the cable body cannot be rapidly diffused in the inner gathering mode, heat gathering is easily caused, local temperature is rapidly increased, the corrosion-resistant layer and the protective layer on the outer side are easily accelerated to fall off, and meanwhile the aging speed of the cable is accelerated.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant cable of waiting fire prevention, includes hollow hose, hollow hose's the outside is provided with six group's sinle silk, the outside cover of sinle silk is equipped with the parcel layer, the outside of parcel layer is provided with the reinforced rubber cover, the surface spraying of reinforced rubber cover has thermal barrier coating, thermal barrier coating is including the thermal barrier coating layer and the thick type fire prevention coating that have ceramic microballon, the outside of reinforced rubber cover sets up the cover and is equipped with the abrasive rubber cover, the outside spraying of abrasive rubber cover has fire-retardant coating, fire-retardant coating includes silicon rubber cover and polyvinyl chloride coating, the outside spraying of fire-retardant coating has the wearing layer, the wearing layer includes abrasive particle gum coating and graphite wearing layer.

Preferably, the heat-insulating coating layer with the ceramic beads is sprayed on the outer side of the reinforced rubber sleeve, and the thick fireproof coating layer is sprayed on the outer side of the heat-insulating coating layer with the ceramic beads.

Preferably, the silicone rubber sleeve is sleeved on the outer side of the wear-resistant rubber sleeve from inside to outside, and the polyvinyl chloride coating is arranged between the silicone rubber sleeves.

Preferably, the wear-resistant granular glue coating is sprayed on the outer side of the silicone rubber sleeve, and the graphite wear-resistant layer is sprayed on the wear-resistant granular glue coating.

Preferably, a mica tape is arranged inside the wrapping layer and wound on the outer side of the wire core.

Preferably, an inner division bar is clamped on one opposite side of the wire core and located between the hollow hose and the wrapping layer, and the inner division bar is intermittently distributed in the inner cavity of the wrapping layer from front to back.

Preferably, the outer side of the wrapping layer is provided with a steel wire mesh, and the steel wire mesh is located on the inner side of the reinforced rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up hollow hose between the sinle silk, not only can promote the compressive property of cable, prevent that the cable is when receiving the extrusion, the compact unable buffering of cable inner structure, lead to the impact force to destroy the wearing layer and the flame retardant coating in the outside, make the wear-resisting rubber cover expose outside, simultaneously can pass through hollow hose with local heat to both ends diffusion, reduce local temperature, then externally carry out abrasive treatment through wear-resisting granule gum coating and graphite wearing layer to the line skin of cable, prevent that the sinle silk exposes outside, the silicon rubber cover has the characteristic that prevents the rubber burning simultaneously, delay the speed of cable burning, utilize ceramic microballon's thermal-insulated dope layer and thick type fire prevention coating to keep apart reinforced rubber cover and wear-resisting rubber cover, prevent external high temperature to see through wear-resisting rubber cover inward infiltration, increase the inside temperature of cable, the ageing rate of reinforced rubber cover and wear-resisting rubber cover with higher speed.

2. The utility model discloses an interior parting bead keeps apart the sinle silk, prevents the sinle silk contact between adjacent, makes the heat too concentrated, and the intensity of cable can be strengthened to the wire net simultaneously, prevents that the cable from because tension is too big, leading to inside sinle silk fracture.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a sectional three-dimensional structure of the reinforced rubber sleeve of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 4 is a schematic view of a cross-sectional view of the reinforced rubber sleeve of the present invention;

fig. 5 is a schematic view of a partial sectional structure of the wear-resistant rubber sleeve of the present invention.

Reference numbers in the figures: 1. a hollow hose; 2. a wire core; 3. a wrapping layer; 4. reinforcing the rubber sleeve; 5. a thermal barrier coating; 51. a heat insulating coating layer with ceramic micro-beads; 52. a thick fireproof paint coating; 6. a wear-resistant rubber sleeve; 7. a flame retardant coating; 71. a silicone rubber sleeve; 72. a polyvinyl chloride coating; 8. a wear resistant layer; 81. Wear-resistant granular glue coating; 82. a graphite wear-resistant coating; 9. mica tapes; 10. an inner division bar; 11. and (5) steel wire meshes.

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.

The utility model provides a weather-proof and fireproof cable as shown in figures 1-5, which comprises a hollow hose 1, six groups of wire cores 2 are arranged on the outer side of the hollow hose 1, a wrapping layer 3 is sleeved on the outer side of the wire cores 2, a reinforced rubber sleeve 4 is arranged on the outer side of the wrapping layer 3, a heat-insulating coating 5 is sprayed on the surface of the reinforced rubber sleeve 4, the heat-insulating coating 5 comprises a heat-insulating coating layer 51 with ceramic micro-beads and a thick fireproof coating layer 52, a wear-resistant rubber sleeve 6 is sleeved on the outer side of the reinforced rubber sleeve 4, a flame-retardant coating 7 is sprayed on the outer side of the wear-resistant rubber sleeve 6, the flame-retardant coating 7 comprises a silicon rubber sleeve 71 and a polyvinyl chloride coating 72, a wear-resistant layer 8 is sprayed on the outer side of the flame-resistant coating 7, the wear-resistant layer 8 comprises a wear-resistant particle rubber coating 81 and a graphite wear-resistant coating 82, by arranging the hollow hose 1 between the wire cores 2, the pressure resistance of the cable can be improved, the cable is prevented from being extruded, the inner structure of the cable is compact and cannot be buffered, so that the impact force damages the wear-resistant layer 8 and the flame-retardant coating 7 on the outer side to expose the wear-resistant rubber sleeve 6 outside, meanwhile, the local heat can be diffused to the two ends through the hollow hose 1 to reduce the local temperature, then the cable sheath is subjected to wear-resistant treatment through the wear-resistant granular glue coating 81 and the graphite wear-resistant coating 82 on the outside to prevent the cable core 2 from being exposed outside, meanwhile, the silicone rubber sleeve 71 has the characteristic of preventing rubber from burning, the burning speed of the cable is delayed, the reinforced rubber sleeve 4 and the wear-resistant rubber sleeve 6 are isolated by the heat insulation coating layer of the ceramic microspheres and the thick fireproof coating 52, external high temperature is prevented from permeating inwards through the wear-resistant rubber sleeve 6, the temperature inside the cable is increased, and the aging speed of the reinforced rubber sleeve 4 and the wear-resistant rubber sleeve 6 is accelerated.

The heat insulation coating layer 51 with the ceramic microspheres is sprayed on the outer side of the reinforced rubber sleeve 4, the thick fireproof coating 52 is sprayed on the outer side of the heat insulation coating layer 51 with the ceramic microspheres, the material of each layer body is a mature product, the layers can be directly purchased in the market, the connection mode among the layer bodies is a mature technical means, the connection mode can be one of spraying, pressing, weaving and the like, and the designed equipment machinery is the equipment in the prior art.

The silicon rubber sleeve 71 is sleeved on the outer side of the wear-resistant rubber sleeve 6 from inside to outside, the polyvinyl chloride coating 72 is arranged between the silicon rubber sleeves 71, the materials of all layer bodies are all existing mature products and can be directly purchased in the market, the connection mode among all the layer bodies is an existing mature technical means and can be one of spraying, pressing, weaving and the like, and the designed equipment machinery is the equipment in the prior art.

The wear-resistant granular glue coating 81 is sprayed on the outer side of the silicone rubber sleeve 71, the graphite wear-resistant coating 82 is sprayed on the wear-resistant granular glue coating 81, the layers are all made of existing mature products and can be directly purchased in the market, the connection mode between the layers is an existing mature technical means, the layers can be one of spraying, pressing, weaving and the like, and the designed equipment is the equipment in the prior art.

The inside of parcel layer 3 is provided with mica tape 9, and mica tape 9 twines in the outside of sinle silk 2, can tie sinle silk 2 through mica tape 9, prevents that sinle silk 2 from taking place the displacement, leads to sinle silk 2 to contact each other.

Sinle silk 2 one side joint in opposite directions has interior parting bead 10, and interior parting bead 10 is located between hollow hose 1 and the parcel layer 3, and interior parting bead 10 discontinuous distributes in the inner chamber of parcel layer 3 after to in the past, keeps apart sinle silk 2 through interior parting bead 10, prevents 2 contacts of sinle silk between adjacent, makes the heat too concentrated.

The outside of parcel layer 3 is provided with wire net 11, and wire net 11 is located the inboard of strengthening rubber sleeve 4, can strengthen the intensity of cable through wire net 11, prevents that the cable from leading to inside sinle silk 2 fracture because tension is too big.

During specific use, in even going into the circuit with the cable, sinle silk 2 circular telegram generates heat, the inside gathering of heat at parcel layer 3 afterwards, then the heat is gathered at discontinuous distribution's interior parting bead 10, then the temperature risees gradually, then the temperature is conducted to both ends from hollow hose 1's inner chamber, with local temperature dispersion even, reduce local temperature, then silicon rubber sleeve 71 and polyvinyl chloride coating 72 can be isolated to the temperature of outside, prevent the inside conduction of temperature, prevent inside reinforcing rubber cover 4 and wear-resisting rubber cover 6 ageing, lead to the cable fragile, wear-resisting granule glue coating 81 and graphite wear-resisting coating 82 can protect wear-resisting rubber cover 6 simultaneously, prevent wear-resisting rubber cover 6 and foreign object collision damage, be convenient for the cable be adapted to different climatic environment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A weather-resistant and fireproof cable comprises a hollow hose (1), and is characterized in that: the outside of hollow hose (1) is provided with six group sinle silk (2), the outside cover of sinle silk (2) is equipped with parcel layer (3), the outside of parcel layer (3) is provided with strengthens rubber sleeve (4), the surface spraying of strengthening rubber sleeve (4) has thermal barrier coating (5), thermal barrier coating (5) are including thermal barrier coating layer (51) and thick type fire prevention coating (52) that have ceramic microballon, the outside of strengthening rubber sleeve (4) sets up the cover and is equipped with wear-resisting rubber sleeve (6), the outside spraying of wear-resisting rubber sleeve (6) has flame retardant coating (7), flame retardant coating (7) are including silicon rubber sleeve (71) and polyvinyl chloride coating (72), the outside spraying of flame retardant coating (7) has wearing layer (8), wearing layer (8) are including wear-resisting granule gum coating (81) and wear-resisting graphite coating (82).

2. The weather-resistant and fire-resistant cable according to claim 1, wherein: the heat-insulating coating layer (51) with the ceramic microspheres is sprayed on the outer side of the reinforced rubber sleeve (4), and the thick fireproof coating layer (52) is sprayed on the outer side of the heat-insulating coating layer (51) with the ceramic microspheres.

3. The weather-resistant and fire-resistant cable according to claim 1, wherein: the wear-resistant rubber sleeve (6) is sleeved with the silicone rubber sleeve (71) from inside to outside, and the polyvinyl chloride coating (72) is arranged between the silicone rubber sleeves (71).

4. The weather-resistant and fire-resistant cable according to claim 1, wherein: the wear-resistant granular glue coating (81) is sprayed on the outer side of the silicone rubber sleeve (71), and the graphite wear-resistant coating (82) is sprayed on the wear-resistant granular glue coating (81).

5. The weather-resistant and fire-resistant cable according to claim 1, wherein: the mica tape (9) is arranged inside the wrapping layer (3), and the mica tape (9) is wound on the outer side of the wire core (2).

6. The weather-resistant and fire-resistant cable according to claim 1, wherein: sinle silk (2) opposite side joint has interior parting bead (10), interior parting bead (10) are located between hollow hose (1) and parcel layer (3), interior parting bead (10) discontinuous distributes in the inner chamber on parcel layer (3) from the past to the back.

7. The weather-resistant and fire-resistant cable according to claim 1, wherein: the outside of parcel layer (3) is provided with wire net (11), wire net (11) are located the inboard of strengthening rubber sleeve (4).