CN216957524U

CN216957524U - Corrosion-resistant and fire-resistant control cable

Info

Publication number: CN216957524U
Application number: CN202122884269.9U
Authority: CN
Inventors: 茆成彦; 周寿清; 韦佳; 王维路; 李程; 曹囯良
Original assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Current assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-07-12
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a corrosion-resistant and fire-resistant control cable in the technical field of control cables, which comprises a control cable body, wherein the control cable body comprises a plurality of groups of conductors, an insulating layer and a fire-resistant layer are sequentially arranged on the outer surface of each conductor, a first compression-resistant buffer layer is arranged at the hollow position of an inner cavity of the control cable body and is connected to the outer surface of each conductor through a tensile rubber strip, a shielding layer, a fire-resistant layer and an outer sheath are sequentially arranged on the outer side of each conductor from inside to outside, and a fire-resistant filling layer is filled between the shielding layer and each conductor.

Description

Corrosion-resistant and fire-resistant control cable

Technical Field

The utility model relates to the technical field of control cables, in particular to a corrosion-resistant and fire-resistant control cable.

Background

The cable has been widely applied to industrial production, transportation, building engineering and facilities, even high-end fields including space and ocean, the cable can be used, along with the development of social economy, the variety of the cable is continuously updated and perfected, the production capacity is continuously increased, people have requirements for the cable to be improved due to the application of the cable in different fields, but the corrosion resistance and the fire resistance of the existing electric power are poor, the service life of the cable is shortened, and the cable is easy to be flattened when being pressed, so that a core wire is leaked and damaged, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a corrosion-resistant and fire-resistant control cable, which solves the problems of the prior art such as poor corrosion resistance and fire resistance.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a corrosion-resistant fire-resistant control cable, includes the control cable body, the control cable body includes a plurality of groups conductor, the surface of conductor has set gradually insulating layer and flame retardant coating, the hollow position of inner chamber of control cable body is equipped with first resistance to compression buffer layer, and just first resistance to compression buffer layer passes through tensile rubber strip and connects the surface at the conductor, the outside of conductor is by interior shielding layer, fire-retardant layer and the oversheath of being equipped with in proper order outside to, and packs between shielding layer and the conductor and be provided with fire-retardant filling layer.

And further: the adjacent conductors are connected through a second compression-resistant buffer layer, and the shape of the second compression-resistant buffer layer is oval.

Further: and a metal armor layer is also arranged between the flame-retardant layer and the shielding layer.

Further: and an anti-oxidation layer is also arranged between the outer sheath and the flame-retardant layer.

Further: the outer sheath is made of a polyetheretherketone material.

Further: the flame-retardant filling layer is made of inorganic paper ropes.

Further: the outer surface of the outer sheath is embedded with corrugated bulges.

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

1. the outer sheath, the oxidation resistant layer, the flame retardant layer, the metal armor layer and the flame retardant layer which are made of the polyether-ether-ketone material improve the corrosion resistance and the fire resistance of the cable, prolong the service life of the control cable and have good practicability.

2. The elliptic first compression-resistant buffer layer, the elliptic second compression-resistant buffer layer and the elliptic tensile rubber strip have certain elasticity, so that the compression resistance of the cable can be greatly improved, the cable is prevented from being flattened after being compressed, the core wire is effectively protected, and the using effect is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a conductor structure according to the present invention.

In the figure: 1. a control cable body; 2. a conductor; 3. an outer sheath; 4. an anti-oxidation layer; 5. a flame retardant layer; 6. a metal armor layer; 7. a shielding layer; 8. a flame retardant filler layer; 9. a first compression-resistant buffer layer; 10. a second compressive buffer layer; 11. a tensile rubber strip; 12. an insulating layer; 13. a refractory layer.

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 of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1:

referring to fig. 1 and fig. 2, the present invention provides a technical solution: a corrosion-resistant and fire-resistant control cable comprises a control cable body 1, the control cable body 1 comprises a plurality of groups of conductors 2, the outer surface of each conductor 2 is sequentially provided with an insulating layer 12 and a fire-resistant layer 13, a first compression-resistant buffer layer 9 is arranged at the hollow position of an inner cavity of the control cable body 1, the first compression-resistant buffer layer 9 is connected to the outer surface of each conductor 2 through a tensile rubber strip 11, the outer side of each conductor 2 is sequentially provided with a shielding layer 7, a fire-resistant layer 5 and an outer sheath 3 from inside to outside, a fire-resistant filling layer 8 is filled between the shielding layer 7 and each conductor 2, the insulating layer 12 and the fire-resistant layer 13 on the outer side of each conductor 2 can play roles of fire resistance and insulation, the outer sheath 3 and the fire-resistant layer 5 made of a polyether-ether-ketone material can play roles of corrosion resistance, wear resistance and fire resistance, the inner conductors 2 are effectively protected, the service life of the conductors 2 is prolonged, and the fire-resistant layer 5 is a conventional fire-resistant material, first resistance to compression buffer layer 9 is circular form, and first resistance to compression buffer layer 9 and tensile rubber strip 11 have the effect of resistance to compression buffering, when control cable body 1 pressurized, can reduce the power of conducting on conductor 2, have effectively protected conductor 2, have prolonged control cable's life.

Referring to fig. 1, preferably, the adjacent conductors 2 are connected by a second compressive buffer layer 10, the second compressive buffer layer 10 is oval, and the second compressive buffer layer 10 is better matched with the first compressive buffer layer 9 and the tensile rubber strip 11.

Referring to fig. 1, preferably, a metal armor layer 6 is further disposed between the flame retardant layer 5 and the shielding layer 7, and the metal armor layer 6 can isolate a fire source to prevent fire from extending to the conductor 2.

Referring to fig. 1, preferably, an oxidation resistant layer 4 is further disposed between the outer sheath 3 and the flame retardant layer 5, and the oxidation resistant layer 4 has an oxidation resistance, so as to further effectively protect the cable.

Referring to fig. 1, preferably, the outer sheath 3 is made of polyetheretherketone material.

Referring to fig. 1, preferably, the flame-retardant filling layer 8 is made of inorganic paper rope.

Example 2:

referring to fig. 1, this embodiment is different from the first embodiment in that: the outer surface of the outer sheath 3 is embedded with corrugated bulges, and the corrugated bulges can increase the friction force when the outer sheath is taken and placed by workers, so that the phenomenon of hand slip when the outer sheath is taken and placed is avoided.

The working principle is as follows: when the control cable is used, firstly, the protective layers in the control cable body 1 are connected, the outer sheath 3, the oxidation resistant layer 4, the flame retardant layer 5, the metal armor layer 6, the flame retardant filling layer 8 and the flame retardant layer 13 outside the conductor 2, which are made of polyether-ether-ketone materials, improve the corrosion resistance and the fire resistance of the cable, and prolong the service life of the control cable, the first compression-resistant buffer layer 9, the second compression-resistant buffer layer 10 and the tensile rubber strip 11 have certain compression-resistant buffering capacity, when the control cable body 1 is compressed, the force transmitted to the conductor 2 can be reduced, the conductor 2 is effectively protected, the compression resistance of the cable is improved, the cable is prevented from being flattened after being compressed, the core wire is effectively protected, and the service life of the control cable is prolonged.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a corrosion-resistant fire-resistant control cable, includes control cable body (1), its characterized in that: control cable body (1) includes a plurality of groups conductor (2), the surface of conductor (2) has set gradually insulating layer (12) and flame retardant coating (13), the hollow position of inner chamber of control cable body (1) is equipped with first resistance to compression buffer layer (9), and first resistance to compression buffer layer (9) are connected at the surface of conductor (2) through tensile rubber strip (11), the outside of conductor (2) is by interior shielding layer (7), fire-retardant layer (5) and oversheath (3) of being equipped with in proper order outside to, and the packing is provided with fire-retardant filling layer (8) between shielding layer (7) and conductor (2).

2. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: the adjacent conductors (2) are connected through a second compression-resistant buffer layer (10), and the second compression-resistant buffer layer (10) is oval in shape.

3. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: and a metal armor layer (6) is also arranged between the flame-retardant layer (5) and the shielding layer (7).

4. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: an anti-oxidation layer (4) is further arranged between the outer sheath (3) and the flame-retardant layer (5).

5. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: the outer sheath (3) is made of a polyetheretherketone material.

6. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: the flame-retardant filling layer (8) is made of inorganic paper ropes.

7. A corrosion-resistant fire-resistant control cable according to claim 1, wherein: the outer surface of the outer sheath (3) is embedded with corrugated bulges.