CN212907191U

CN212907191U - Novel fireproof mineral cable

Info

Publication number: CN212907191U
Application number: CN202021840308.4U
Authority: CN
Inventors: 高彦军; 石卫娟; 彭高攀; 孙六锋; 任子媛; 齐国苹
Original assignee: Henan Haoxiang Electric Cable Manufacturing Co ltd
Current assignee: Henan Haoxiang Electric Cable Manufacturing Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-06
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to the field of cable equipment, concretely relates to novel fireproof mineral cable, including oversheath and a plurality of sinle silk, the oversheath in have the waterproof layer in proper order, flame retardant coating, isolation layer, elastic layer and inoxidizing coating, be provided with a plurality of cavity on the oversheath, be provided with the steel wire in the cavity, be provided with a plurality of archs on the flame retardant coating, be provided with the recess with protruding complex on the isolation layer, be provided with compression spring between elastic layer and the inoxidizing coating, be provided with the connecting pipe between a plurality of sinle silks, be provided with aramid fiber silk in the connecting pipe, the sinle silk includes the conductor, insulating layer one and insulating layer two have been wrapped up in; the cable is used for solving the problems that the existing cable is easy to break, rainwater easily enters the protective sleeve in the rainy period and the fireproof performance is not good enough.

Description

Novel fireproof mineral cable

Technical Field

The utility model relates to a cable equipment field, concretely relates to novel fire prevention mineral cable.

Background

At present, with the development of science and technology, the fields of industry and the like are rapidly improved, and the use amount of cables is increased. A cable is generally a rope formed by stranding several wires, each of which is insulated from the other and is usually twisted around a center, and is entirely covered with a highly insulating covering, and has the characteristics of internal current conduction and external insulation. Current cable is blown off by wind easily at strong wind weather, leads to the damage of cable and circuit, and the cable produces expend with heat and contract with cold phenomenon easily, and the cable cover is unified to strut the lag, causes the crack, and in rainwater entered into the protective sheath easily when rainy day, it is not good to have cable fire behavior now moreover.

Disclosure of Invention

The utility model provides a novel fire prevention mineral matter cable for solve the easy fracture of current cable, the rainwater enters into the protective sheath easily and fire behavior is not good enough problem when rainy.

The technical scheme of the utility model is realized like this: the utility model provides a novel fire prevention mineral substance cable, includes oversheath and a plurality of sinle silk, the oversheath in the waterproof layer has set gradually, flame retardant coating, isolation layer, elastic layer and inoxidizing coating, be provided with a plurality of cavity on the oversheath, be provided with the steel wire in the cavity, it is protruding to be provided with a plurality of on the flame retardant coating, be provided with on the isolation layer with protruding complex recess, be provided with compression spring between elastic layer and the inoxidizing coating, be provided with the connecting pipe between a plurality of sinle silk, be provided with the aramid fiber silk in the connecting pipe, the sinle silk includes the conductor, the outside parcel of conductor has insulating layer one.

The protective layer is made of aluminum or copper.

The isolation layer is made of PE materials, and the elastic layer is made of chlorosulfonated polyethylene materials.

The outer sheath is made of polyolefin materials.

The conductor is formed by stranding a plurality of anaerobic copper wires.

The first insulating layer is a mineral insulating layer, and the second insulating layer is made of XLPE materials.

The fireproof layer is made of fireproof mud.

The flame retardant is made of glass fiber ropes.

The waterproof layer include first waterproof layer and second waterproof layer, first waterproof layer adopts the asbestos fibre material, and the second waterproof layer adopts the polyvinyl chloride material, and the second waterproof layer sets up the medial surface at the overcoat, and first waterproof layer sets up the medial surface at the second waterproof layer.

The diameter of the steel wire is equal to the inner diameter of the cavity.

The technical scheme of the utility model has following positive effect: the device is provided with two waterproof layers, so that water vapor is prevented from entering the cable, the fireproof layers are made of fireproof mud, and when the cable is burnt, the fireproof mud is condensed into ceramic armoring bodies, so that good fire and heat insulation effects can be achieved; the fire-proof layer is provided with the bulges, so that the area of the fire-proof layer is increased, and the fire-proof performance is improved; steel wire and aramid fiber silk increase the bearing capacity of cable, prevent the cable fracture, and the elasticity layer increases the pliability of cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a fire-retardant layer.

Fig. 3 is a schematic structural diagram of an isolation layer.

Fig. 4 is a schematic structural view of a waterproof layer.

Detailed Description

As shown in figures 1 to 4, a novel fireproof mineral cable comprises an outer sheath 1 and a plurality of wire cores, a waterproof layer 17, a fireproof layer 2, an isolation layer 3, an elastic layer 4 and a protective layer 5 are sequentially arranged in the outer sheath 1, a plurality of cavities 6 are arranged on the outer sheath 1, steel wires 7 are arranged in the cavities 6 to increase the tensile strength of the cable, a plurality of protrusions 8 are arranged on the fireproof layer 2, grooves 9 matched with the protrusions 8 are arranged on the isolation layer 3, compression springs 10 are arranged between the elastic layer 4 and the protective layer 5, the circumferences of the compression springs 10 are arranged between the elastic layer 4 and the protective layer 5, the compression springs 10 are distributed at equal intervals along the length direction of the cable, when the cable expands with heat and contracts with cold, the cable is not easy to break, connecting pipes 11 are arranged between the plurality of wire cores, aramid fibers 12 are arranged in the connecting pipes 11 to increase the bearing, the cable core comprises a conductor 13, an insulation layer I14 and an insulation layer II 15 are sequentially wrapped outside the conductor 13, and a flame retardant 16 is filled in the protective layer 5.

The protective layer 5 is made of aluminum or copper.

Isolation layer 3 adopt the PE material to make, isolation layer 3 separates flame retardant coating and elastic layer, elastic layer 4 adopts chlorosulfonated polyethylene material to make.

Oversheath 1 adopt the polyolefin material to make, polyolefin low smoke and zero halogen avoids producing toxic gas when the cable burns.

The conductor 13 is formed by stranding a plurality of anaerobic copper wires and has excellent conductivity.

The first insulating layer 14 is made of magnesium oxide powder, so that good insulating performance is still maintained under the condition that the cable is burnt, and the second insulating layer 15 is made of XLPE and has good insulating performance under normal conditions.

The fireproof layer 2 is made of fireproof mud, and when the cable burns, the fireproof mud is condensed into a ceramic armor body, so that good fire insulation and heat insulation effects can be achieved.

The flame retardant 16 is made of glass fiber ropes, and the glass fiber ropes have the incombustible characteristic and increase the fireproof performance of the cable.

Waterproof layer 17 include first waterproof layer 1701 and second waterproof layer 1702, first waterproof layer 1701 adopts the asbestos fiber material, second waterproof layer 1702 adopts the polyvinyl chloride material, second waterproof layer 1702 sets up the medial surface at outer sheath 1, first waterproof layer 1701 sets up the medial surface at second waterproof layer 1702, the asbestos fiber can absorb the aqueous vapor, prevent that water from getting into inside, the isolated aqueous vapor of polyvinyl chloride improves water-proof effects.

The diameter of the steel wire 7 is equal to the inner diameter of the cavity 6.

Claims

1. The utility model provides a novel fire prevention mineral substance cable, includes oversheath (1) and a plurality of sinle silk, its characterized in that: the fireproof cable is characterized in that a waterproof layer (17) is sequentially arranged in the outer sheath (1), the fireproof layer (2), the isolation layer (3), the elastic layer (4) and the protective layer (5) are arranged, a plurality of cavities (6) are formed in the outer sheath (1), steel wires (7) are arranged in the cavities (6), a plurality of protrusions (8) are arranged on the fireproof layer (2), grooves (9) matched with the protrusions (8) are formed in the isolation layer (3), compression springs (10) are arranged between the elastic layer (4) and the protective layer (5), connecting pipes (11) are arranged between the plurality of wire cores, aramid fibers (12) are arranged in the connecting pipes (11), each wire core comprises a conductor (13), an insulating layer I (14) and an insulating layer II (15) are sequentially wrapped outside the conductor (13), and a flame retardant (16) is further filled.

2. The novel fire-resistant mineral matter cable of claim 1, wherein: the protective layer (5) is made of aluminum or copper.

3. The novel fire-resistant mineral matter cable of claim 1, wherein: the isolation layer (3) is made of PE materials, and the elastic layer (4) is made of chlorosulfonated polyethylene materials.

4. The novel fire-resistant mineral matter cable of claim 1, wherein: the outer sheath (1) is made of polyolefin materials.

5. The novel fire-resistant mineral matter cable of claim 1, wherein: the conductor (13) is formed by twisting a plurality of oxygen-free copper wires.

6. The novel fire-resistant mineral matter cable of claim 1, wherein: the first insulating layer (14) is a mineral insulating layer, and the second insulating layer (15) is made of XLPE materials.

7. The novel fire-resistant mineral matter cable of claim 1, wherein: the fireproof layer (2) is made of fireproof mud.

8. The novel fire-resistant mineral matter cable of claim 1, wherein: the flame retardant (16) is made of glass fiber rope.

9. The novel fire-resistant mineral matter cable of claim 1, wherein: waterproof layer (17) include first waterproof layer (1701) and second waterproof layer (1702), first waterproof layer (1701) adopts asbestos fibre material, and second waterproof layer (1702) adopts the polyvinyl chloride material, and second waterproof layer (1702) set up the medial surface in overcoat (1), and first waterproof layer (1701) sets up the medial surface in second waterproof layer (1702).

10. The novel fire-resistant mineral matter cable of claim 1, wherein: the diameter of the steel wire (7) is equal to the inner diameter of the cavity (6).