CN217690526U - Fireproof and dampproof safety cable - Google Patents

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a fire prevention dampproofing security cable, including the cable core, the surface of cable core bonds and has the insulating layer, gap department between insulating layer and the cable core fills there is insulating filler material, the surface of insulating layer bonds and has the waterproof layer, the surface of waterproof layer bonds and has the shielding layer, the surface of shielding layer evenly bonds and has first tensile braided net, the surface of first tensile braided net bonds and has the flame retardant coating, the space intussuseption between flame retardant coating and the shielding layer is filled with fire-retardant filler, the surface of flame retardant coating evenly bonds and has the second to resist and pull the braided net, the surface that the second resisted and pull the braided net bonds and has the dampproof course, the space intussuseption between dampproof course and the flame retardant coating is filled with dampproof filler, the surface bonding of dampproof course has the protective sheath. The utility model discloses good fire behavior and humidity resistance have.

Description

Fireproof and dampproof safety cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a dampproofing security cable of fire prevention.

Background

Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

Most of the existing cables are poor in fire resistance, easy to ignite, and easy to influence signal transmission due to moisture in the using process, so that normal work of the cables is influenced, and potential safety hazards are easily brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has fire proofness and humidity resistance not good among the prior art, and the dampproofing security cable of fire prevention that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a dampproofing security cable of fire prevention, includes the cable core, the surface bonding of cable core has the insulating layer, gap department between insulating layer and the cable core is filled there is insulating filler material, the surface bonding of insulating layer has the waterproof layer, the surface bonding of waterproof layer has the shielding layer, the surface of shielding layer evenly bonds and has first tensile braided net, the surface bonding of first tensile braided net has the flame retardant coating, the space intussuseption between flame retardant coating and the shielding layer is filled with fire-retardant filler, the surface of flame retardant coating evenly bonds and has the second to resist and draw the braided net, the surface bonding that the second resisted and draws the braided net has the dampproof course, the space intussuseption between dampproof course and the flame retardant coating is filled with dampproof filler, the surface bonding of dampproof course has the protective sheath.

Preferably, the flame retardant coating includes the epoxy layer, the internal surface and the first tensile mesh grid of weaving of epoxy layer bond, the surface bonding of epoxy layer has the asbestos bisque, the surface bonding of asbestos bisque has the silica gel bisque.

Preferably, the moisture-proof layer comprises a nitrile rubber layer, the inner surface of the nitrile rubber layer is bonded with the second tensile woven mesh, a polyurethane layer is bonded on the outer surface of the nitrile rubber layer, and a butadiene rubber layer is bonded on the outer surface of the polyurethane layer.

Preferably, the first tensile woven mesh and the second tensile woven mesh are staggered in position.

Preferably, the outer surface of the protective sleeve is sprayed with a corrosion-resistant coating.

The utility model provides a pair of dampproofing security cable of fire prevention, beneficial effect lies in:

1. insulating layer and insulating filler's setting can be strengthened insulating effect, and the setting of waterproof layer can prevent in water gets into the cable, makes water-proof effects better, and the setting of fire-retardant filler, the fire behavior of reinforcing cable that can step forward, and its material is polyester fiber, and flame retardant efficiency is more stable, has excellent self-extinguishment nature to be difficult for absorbing water.

2. The setting of flame retardant coating, can prevent that the cable from catching fire, thereby avoid the cable to damage, the setting of first tensile braided mesh and the second tensile braided mesh, can strengthen the tensile strength of cable, the setting of dampproofing filler, the moisture resistance of reinforcing cable that can step forward, the setting of moisture barrier, can prevent that the cable is moist, thereby can avoid signal transmission to receive the influence, thereby avoid influencing the normal work of cable, the setting of protective sheath, can protect the cable, the life of extension cable.

Drawings

Fig. 1 is a schematic structural view of a fireproof and moisture-proof safety cable provided by the present invention;

fig. 2 is a schematic view of a fireproof layer structure of a fireproof and moisture-proof safety cable provided by the present invention;

fig. 3 is the utility model provides a dampproofing course structural schematic of fire prevention dampproofing security cable.

In the figure: the cable comprises a cable core 1, an insulating layer 2, an insulating filling material 3, a waterproof layer 4, a shielding layer 5, a first tensile woven mesh 6, a flame-retardant filler 7, a fireproof layer 8, a second tensile woven mesh 9, a moisture-proof filler 10, a moisture-proof layer 11, a protective sleeve 12, an epoxy resin layer 13, an asbestos powder layer 14, a silica gel powder layer 15, a nitrile rubber layer 16, a polyurethane layer 17 and a butadiene rubber layer 18.

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.

Example 1

Referring to fig. 1, a fireproof and moisture-proof safety cable comprises a cable core 1, wherein an insulating layer 2 is bonded on the outer surface of the cable core 1, an insulating filling material 3 is filled in a gap between the insulating layer 2 and the cable core 1, a waterproof layer 4 is bonded on the outer surface of the insulating layer 2, a shielding layer 5 is bonded on the outer surface of the waterproof layer 4, a first tensile woven mesh 6 is uniformly bonded on the outer surface of the shielding layer 5, a fireproof layer 8 is bonded on the outer surface of the first tensile woven mesh 6, a flame-retardant filler 7 is filled in a gap between the fireproof layer 8 and the shielding layer 5, a second tensile woven mesh 9 is uniformly bonded on the outer surface of the fireproof layer 8, the positions of the first tensile woven mesh 6 and the second tensile woven mesh 9 are staggered, a moisture-proof layer 11 is bonded on the outer surface of the second tensile woven mesh 9, a moisture-proof filler 10 is filled in a gap between the moisture-proof layer 11 and the fireproof layer 8, the outer surface of the moisture-proof layer 11 is bonded with a protective sleeve 12, the outer surface of the protective sleeve 12 is sprayed with corrosion-resistant coating, an insulating layer 2 and an insulating filling material 3 are arranged to enhance the insulating effect, a waterproof layer 4 is arranged to prevent water from entering the cable, so that the waterproof effect is better, a flame-retardant filler 7 is arranged to further enhance the fireproof performance of the cable, the flame-retardant filler is made of polyester fiber, the flame-retardant effect is more stable, the cable has excellent self-extinguishing performance and is not easy to absorb water, the fireproof layer 8 is arranged to prevent the cable from being ignited, so that the cable is prevented from being damaged, the tensile performance of the cable can be enhanced by arranging the first tensile woven mesh 6 and the second tensile woven mesh 9, the moisture-proof filler 10 is arranged to further enhance the moisture-proof performance of the cable, the moisture-proof layer 11 is arranged to prevent the cable from being wet, so that the signal transmission can be prevented from being influenced, therefore, normal work of the cable is prevented from being influenced, the cable can be protected due to the arrangement of the protective sleeve 12, and the service life of the cable is prolonged.

Example 2

Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the fire-proof layer 8 includes an epoxy resin layer 13, the inner surface of the epoxy resin layer 13 is bonded to the first tensile woven mesh 6, an asbestos powder layer 14 is bonded to the outer surface of the epoxy resin layer 13, a silica gel powder layer 15 is bonded to the outer surface of the asbestos powder layer 14, the epoxy resin layer 13 has excellent chemical resistance and good heat resistance and electrical insulation, the asbestos powder layer 14 has high tensile strength, high flexibility, chemical and thermal corrosion resistance, high fire resistance, electrical insulation and thermal insulation, and the silica gel powder layer 15 has good high temperature resistance, weather resistance, electrical insulation and the like.

Example 3

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the moisture barrier layer 11 includes a nitrile rubber layer 16, the internal surface of the nitrile rubber layer 16 is bonded with the second tensile mesh grid 9, the external surface of the nitrile rubber layer 16 is bonded with a polyurethane layer 17, the external surface of the polyurethane layer 17 is bonded with a butadiene rubber layer 18, the nitrile rubber layer 16 is oil-resistant, the aging resistance is good, the wear resistance is high, and also has good water resistance, air tightness and good adhesive property, the polyurethane layer 17 is good in wear resistance, large in mechanical strength, good in adhesive property, good in elasticity, has good resilience, good in low-temperature flexibility, good in weather resistance, long in service life, the butadiene rubber layer 18 has the characteristics of high elasticity, good in wear resistance, good in cold resistance, low in heat generation, good in bending resistance, good in dynamic property, etc.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a fire prevention dampproofing security cable, includes cable core (1), its characterized in that, the surface bonding of cable core (1) has insulating layer (2), gap department between insulating layer (2) and cable core (1) is filled with insulating filler material (3), the surface bonding of insulating layer (2) has waterproof layer (4), the surface bonding of waterproof layer (4) has shielding layer (5), the surface of shielding layer (5) evenly bonds has first tensile braided net (6), the surface bonding of first tensile braided net (6) has flame retardant coating (8), the space intussuseption between flame retardant coating (8) and shielding layer (5) is filled with fire-retardant filler (7), the surface even bonding of flame retardant coating (8) has the second to resist and draws braided net (9), the surface bonding of second to resist and draws net (9) has dampproof course (11), the space intussuseption between dampproof coating (11) and flame retardant coating (8) is filled with filler (10), the surface bonding of dampproof course (11) has protective sheath (12).

2. A fire-proof, moisture-proof and safety cable as claimed in claim 1, wherein the fire-proof layer (8) comprises an epoxy resin layer (13), the inner surface of the epoxy resin layer (13) is bonded with the first tensile woven mesh (6), the outer surface of the epoxy resin layer (13) is bonded with an asbestos powder layer (14), and the outer surface of the asbestos powder layer (14) is bonded with a silica gel powder layer (15).

3. A fire and moisture safe cable as claimed in claim 1, characterised in that said moisture barrier layer (11) comprises a nitrile rubber layer (16), the inner surface of said nitrile rubber layer (16) being bonded to the second tensile woven mesh (9), the outer surface of said nitrile rubber layer (16) being bonded to a polyurethane layer (17), the outer surface of said polyurethane layer (17) being bonded to a butadiene rubber layer (18).

4. A fire and moisture resistant safety cable as claimed in claim 1, wherein said first tensile braid (6) and said second tensile braid (9) are positioned in a staggered relationship.

5. A fire and moisture protected safety cable as claimed in claim 1, wherein said protective sheath (12) is coated with a corrosion resistant coating on its outer surface.

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