CN219512838U - Intrinsically safe shielding control cable - Google Patents

Abstract

The utility model discloses an intrinsically safe shielding control cable, which comprises a supporting frame, wherein a plurality of groups of conductor cores are arranged on the outer side of the supporting frame, insulating layers are arranged on the outer surfaces of the conductor cores, an inner liner layer is arranged on the outer surface of the insulating layers, a tensile cotton rope is arranged on the outer surface of the inner liner layer, a shielding layer is arranged on the outer surface of the tensile cotton rope, and a shielding weaving net is arranged on the outer surface of the shielding layer. Through setting up tensile cotton rope to improve holistic tensile effect of pulling of cable, and then improved the use strength of cable, and through setting up shielding establishment of a net, so as to wrap up the shielding layer, thereby improved shielding layer and cable connection's intensity, and avoided the shielding layer to take place the problem of position offset when using, thereby improved the security when shielding layer uses, and then improved the shielding effect of shielding layer, and under the effect of strengthening the steel band, so as to improve the intensity of cable lining material, make the intensity of its cable strengthen.

Description

Intrinsically safe shielding control cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to an intrinsically safe shielding control cable.

Background

The shielding control cable is suitable for connecting wires of electric instruments with the alternating current rated voltage of 450/750V and below and transmission wires of an automatic control system, has excellent performances of oil resistance, water resistance, wear resistance, acid and alkali resistance, various corrosive gases, aging resistance, non-combustion and the like, and is suitable for industries of metallurgy, electric power, petrochemical industry and the like.

However, in the existing shielding control cable, the internal transverse structure is weak, damage and skin leakage are easily caused after extrusion, the strength of the shielding layer of the cable is poor, and the shielding layer of the cable is poor in stability during use, so that the problem that the position of the shielding layer is easily deviated, and the shielding effect is reduced is solved.

Disclosure of Invention

The utility model aims at overcoming the defects existing in the prior art and providing an intrinsically safe shielding control cable.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an intrinsically safe shielding control cable, includes the support frame, the outside of support frame is equipped with multiunit conductor core, multiunit conductor core surface is equipped with the insulating layer, the surface of insulating layer is equipped with the inner liner, the surface of inner liner is equipped with tensile cotton rope, the surface of tensile cotton rope is equipped with the shielding layer, the surface of shielding layer is equipped with the shielding and weaves the net, the surface of shielding and weaving the net is equipped with the reinforcing steel band, the surface of reinforcing steel band is equipped with the oversheath.

As a preferable technical scheme of the utility model, the outer sheath consists of a flame-retardant layer, a waterproof layer, an antioxidant layer and a wear-resistant layer, wherein the outer sheath is arranged on the outer surface of the reinforced steel belt, the flame-retardant layer is arranged on the outer surface of the outer sheath, the waterproof layer is arranged on the outer surface of the flame-retardant layer, the antioxidant layer is arranged on the outer surface of the waterproof layer, and the wear-resistant layer is arranged on the outer surface of the antioxidant layer.

As a preferable technical scheme of the utility model, the supporting frame is arranged in a cross shape, and the supporting frame is made of insulating materials.

As a preferable technical scheme of the utility model, the reinforced steel belt is woven in a warp-weft net shape, and the tensile cotton rope is made of flame-retardant materials.

As a preferred embodiment of the present utility model, the wear-resistant layer is made of PUR polymer material.

As a preferable technical scheme of the utility model, the inner side of the outer sheath is provided with a base layer, and the base layer is arranged between the reinforced steel belt and the outer sheath.

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

1. the tensile cotton rope is arranged so as to improve the overall tensile pulling effect of the cable, further improve the use strength of the cable, and the shielding braiding net is arranged so as to wrap the shielding layer, so that the strength of connection between the shielding layer and the cable is improved, the problem of position deviation of the shielding layer during use is avoided, the safety of the shielding layer during use is improved, the shielding effect of the shielding layer is improved, and under the action of the reinforcing steel belt, the strength of the lining material of the cable is improved, and the strength of the cable is reinforced;

2. through setting up the flame retardant coating to improved oversheath flame retardant efficiency, avoided external temperature too high, lead to the problem that the oversheath damaged, and under the effect of waterproof layer, improved the water-proof effects of oversheath, avoided the inboard support frame of oversheath to take place the short circuit problem, and under the effect of antioxidation coating, wearing layer, so as to improve the life of oversheath, improve its antioxidation effect, and improved the wear resistance of oversheath, so that the oversheath is to the better isolated protection of its inside material.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the partial cross-sectional elevation structure of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of fig. 2B in accordance with the present utility model.

Wherein: 1. a support frame; 2. a conductor core; 3. an insulating layer; 4. an inner liner layer; 5. tensile cotton rope; 6. a shielding layer; 7. shielding a braided net; 8. reinforcing the steel strip; 9. an outer sheath; 10. a flame retardant layer; 11. a waterproof layer; 12. an oxidation resistant layer; 13. and a wear-resistant layer.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, an intrinsically safe shielding control cable comprises a supporting frame 1, wherein a plurality of groups of conductor cores 2 are arranged on the outer side of the supporting frame 1, an insulating layer 3 is arranged on the outer surface of each group of conductor cores 2, an inner liner 4 is arranged on the outer surface of each insulating layer 3, a tensile cotton rope 5 is arranged on the outer surface of each inner liner 4, a shielding layer 6 is arranged on the outer surface of each tensile cotton rope 5, a shielding weaving net 7 is arranged on the outer surface of each shielding layer 6, a reinforcing steel belt 8 is arranged on the outer surface of each shielding weaving net 7, and an outer jacket 9 is arranged on the outer surface of each reinforcing steel belt 8.

Through setting up tensile cotton rope 5 to improve the holistic tensile effect of pulling of cable, and then improved the use strength of cable, and through setting up shielding establishment net 7, so as to wrap up shielding layer 6, thereby the intensity of shielding layer 6 and cable junction, and avoided shielding layer 6 to take place the problem of offset when using, thereby the security when having improved shielding layer 6 and used, and then improved shielding layer 6's shielding effect, and under the effect of strengthening steel band 8, so as to improve the intensity of cable lining material, make the intensity of its cable strengthen, through this design, so that the inside shielding effect of cable has been improved, and the intensity of the cable lining of reinforcing.

In other embodiments, the outer sheath 9 is composed of a flame retardant layer 10, a waterproof layer 11, an antioxidant layer 12 and a wear-resistant layer 13, the outer sheath 9 is arranged on the outer surface of the reinforced steel belt 8, the flame retardant layer 10 is arranged on the outer surface of the outer sheath 9, the waterproof layer 11 is arranged on the outer surface of the flame retardant layer 10, the antioxidant layer 12 is arranged on the outer surface of the waterproof layer 11, and the wear-resistant layer 13 is arranged on the outer surface of the antioxidant layer 12; through setting up flame retardant coating 10 to improved oversheath 9 flame retardant effect, avoided external temperature too high, lead to the problem of oversheath 9 damage, and under the effect of waterproof layer 11, improved oversheath 9's waterproof effect, avoided oversheath 9 inboard support frame 1 to take place the short circuit problem, and under the effect of oxidation resistant layer 12, wearing layer 13, so that improved oversheath 9's life, improve its oxidation resistant effect, and improved oversheath 9's wear resistance, so that oversheath 9 is to its better isolated protection of internal material.

In other embodiments, the support frame 1 is disposed in a cross shape, and the support frame 1 is made of an insulating material; through the setting to support frame 1 separates conductor core 2's partition, and has improved the separation effect of multiunit conductor core 2, has avoided conductor core 2 to take place to make the short circuit situation.

In other embodiments, the reinforced steel belt 8 is woven in a warp-weft net shape, and the tensile cotton ropes 5 are made of flame-retardant materials; through the arrangement of the reinforcing steel belt 8, the lining material wrapped by the outer sheath 9 is reinforced by the reinforcing steel belt 8, and the protection of the lining material is improved.

In other embodiments, the wear layer 13 is made of PUR polymer material; the PUR polymer material is environment-friendly, colorless and odorless, and has excellent bonding strength, temperature resistance, chemical corrosion resistance and aging resistance.

In other embodiments, the inner side of the outer sheath 9 is provided with a base layer, and the base layer is arranged between the reinforcing steel strip 8 and the outer sheath 9; the outer sheath 9 is formed by sticking the flame retardant layer 10, the waterproof layer 11, the antioxidation layer 12 and the wear-resistant layer 13 layer by layer through the base layer.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. An intrinsically safe shielded control cable comprising a support frame (1), characterized in that: the outside of support frame (1) is equipped with multiunit conductor core (2), multiunit conductor core (2) surface is equipped with insulating layer (3), the surface of insulating layer (3) is equipped with inner liner (4), the surface of inner liner (4) is equipped with tensile cotton rope (5), the surface of tensile cotton rope (5) is equipped with shielding layer (6), the surface of shielding layer (6) is equipped with shielding and weaves net (7), the surface of shielding and weaves net (7) is equipped with strengthens steel band (8), the surface of strengthening steel band (8) is equipped with oversheath (9).

2. An intrinsically safe shielded control cable of claim 1, wherein: the outer sheath (9) comprises flame retardant layer (10), waterproof layer (11), oxidation resistance layer (12), wearing layer (13), outer sheath (9) set up the surface at strengthening steel band (8), the surface of outer sheath (9) is equipped with flame retardant layer (10), the surface of flame retardant layer (10) is equipped with waterproof layer (11), the surface of waterproof layer (11) is equipped with oxidation resistance layer (12), the surface of oxidation resistance layer (12) is equipped with wearing layer (13).

3. An intrinsically safe shielded control cable of claim 1, wherein: the support frame (1) is in a cross-shaped arrangement, and the support frame (1) is made of insulating materials.

4. An intrinsically safe shielded control cable of claim 1, wherein: the reinforced steel belt (8) is woven in a warp-weft net shape, and the tensile cotton rope (5) is made of a flame-retardant material.

5. An intrinsically safe shielded control cable of claim 2, wherein: the wear-resistant layer (13) is made of PUR polymer material.

6. An intrinsically safe shielded control cable of claim 2, wherein: the inner side of the outer sheath (9) is provided with a base layer, and the base layer is arranged between the reinforced steel belt (8) and the outer sheath (9).