CN218647655U

CN218647655U - Inorganic mineral insulation oxygen layer fireproof composite cable

Info

Publication number: CN218647655U
Application number: CN202222835350.2U
Authority: CN
Inventors: 金霞; 王秀字; 徐忠甫
Original assignee: Shanghai Yeshen Technology Co ltd
Current assignee: Shanghai Yeshen Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-17
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to an inorganic mineral insulation separates oxygen layer fire prevention composite cable relates to power transmission technical field. The utility model discloses a central locating lever, two joint grooves have been seted up to spiral arrangement on the central locating lever outer column surface, and the even joint of two joint inslot portions has first wire and second wire, has all cup jointed the internal insulation layer on first wire and the second wire outer column surface, and the sleeve has been cup jointed to first wire and second wire outside. The utility model discloses an evenly twine first wire and second wire on the outer cylinder of central locating lever along the joint groove, and it has the sleeve to cup joint in its outside, through scribbling inorganic glue film at the sleeve inner wall, increase the stability of being connected between sleeve and first wire and the second wire, and through evenly setting up a plurality of clutch blocks, increase frictional force between outer insulation layer and the sleeve outer wall, thereby make this inorganic mineral insulation separate oxygen layer fire prevention composite cable, the connectivity is better, and hardness is higher, reduce production technology's the degree of difficulty.

Description

Inorganic mineral insulation oxygen layer fireproof composite cable

Technical Field

The utility model relates to an electric power transmission technology field especially relates to an inorganic mineral insulation separates oxygen layer fireproof composite cable.

Background

The electric energy transmission refers to a mode of transmitting from one place to another place by a power plant or a power supply, the transmission medium of the electric energy transmission is a cable, the cable is generally a rope-like cable formed by twisting at least two twisted wires in each group of several or several groups of wires, each group of wires is insulated with each other and usually surrounds a center, the whole outer surface is wrapped with a highly insulated coating layer, a plurality of the insulated wires are erected in the air or arranged underground or underwater and are used for telecommunication or electric power transmission, one or more mutually insulated conductive wire cores are arranged in a sealed sheath to form the insulated wires, a protective coating layer can be added outside the insulated wires for transmitting, distributing electric energy or transmitting electric signals, and the electric energy transmission is mainly different from common wires in that the size of the cable is larger and the structure is more complex.

An environment-friendly fireproof mineral cable with the prior publication number of CN208637165U, wherein fireproof insulating layers are arranged on the surfaces of a first cable core and a second cable core, a mineral filling layer is arranged on the surface of each fireproof insulating layer, a fireproof layer is arranged on the surface of each mineral filling layer, an oxygen-isolating flame-retardant wrapping tape is arranged on the surface of each fireproof layer, a waterproof layer is arranged on the surface of each oxygen-isolating flame-retardant wrapping tape, an outer protective layer is arranged on the surface of each waterproof layer, the fireproof layers comprise an inorganic short-fiber adhesive layer, a ceramic fireproof and flame-retardant composite tape and a waterproof layer, the waterproof layer comprises a crosslinked polyethylene layer and a water-blocking layer, the inorganic short-fiber adhesive layer is arranged on the surface of each mineral filling layer, the ceramic fireproof and flame-retardant composite tape is arranged on the surface of the inorganic short-fiber adhesive layer, the flame-retardant and flame-retardant filler layer is arranged on the surface of the ceramic fireproof and flame-retardant composite tape, the crosslinked polyethylene layer is arranged on the surface of the oxygen-isolating flame-retardant wrapping tape, the water-blocking layer is arranged on the surface of the crosslinked polyethylene layer, the outer protective layer is arranged on the surface of the water-blocking layer, the flame-retardant and the flame-retardant layer, the flame-retardant performance of the cable is improved, the cable is longer in service life and is smokeless and nontoxic, thereby reducing potential safety hazard, and beneficial to wide popularization;

1. the first cable core and the second cable core are independently arranged, are easy to separate, and are difficult to sleeve a fireproof layer and a protective layer outside, so that the production process is complicated;

2. the external fireproof layer, the protective layer and the conductive wire are connected only by extrusion, so that the connection performance and the hardness are poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inorganic mineral insulation separates oxygen layer fire prevention composite cable, through evenly twining first wire and second wire on central locating lever outer cylinder along the joint groove, and it has the sleeve to cup joint at its outside, through scribbling inorganic glue film at sleeve inner wall, increase the stability of being connected between sleeve and first wire and the second wire, and through evenly setting up a plurality of clutch blocks, increase frictional force between outer insulation layer and the sleeve outer wall, thereby make this inorganic mineral insulation separate oxygen layer fire prevention composite cable, the connectivity is better, and hardness is higher, reduce production technology's the degree of difficulty.

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

the utility model provides an inorganic mineral insulation separates oxygen layer fire prevention composite cable, includes central locating lever, two joint grooves have been seted up to spiral arrangement on the central locating lever outer cylinder, and the even joint of two joint inslot portions has first wire and second wire, all cup jointed the inner insulating layer on first wire and the second wire outer cylinder, the sleeve has been cup jointed to first wire and second wire outside, evenly linked firmly a plurality of clutch blocks on the sleeve outer cylinder, and the sleeve inner wall paints and glues and be stained with inorganic glue film, cup joint the outer insulating layer on the sleeve outer cylinder, and the flame retardant coating has been cup jointed to the outer insulating layer outside, the waterproof layer has been cup jointed to the flame retardant coating outside, and the protective layer has been cup jointed to the waterproof layer outside, wraps up first wire and second wire through the inner insulating layer, prevents that first wire and second wire electric leakage, carries out spacing fixed through the sleeve to the position of first wire and second wire, increases the hardness that this inorganic mineral insulation separates oxygen layer fire prevention composite cable's fire prevention stability between sleeve and first wire and second wire through inorganic mineral insulation layer increase this inorganic mineral insulation oxygen layer fire prevention composite cable's fire prevention ability, increases this inorganic mineral insulation composite cable's fire prevention life through inorganic mineral insulation layer fire prevention, and fire prevention composite cable's fire prevention layer use life-proof composite cable.

Preferably, the first lead and the second lead are spirally wound on the outer cylindrical surface of the central positioning rod through the clamping groove, and the positions of the first lead and the second lead are fixed through the matching use of the central positioning rod and the clamping groove.

Preferably, the inner insulating layer and the outer insulating layer are high-temperature-resistant insulating layers, and have high temperature resistance while insulating, so that the occurrence of fire accidents caused by internal heating is prevented.

Preferably, the inorganic adhesive layer is a ZS-1071 high-temperature resistant inorganic adhesive layer, and the ZS-1071 high-temperature resistant inorganic adhesive can keep good bonding performance and corrosion resistance at high temperature, has long service life and does not corrode metal.

Preferably, the fire-proof layer is a ceramic silicon rubber wrapping layer, and the ceramic silicon rubber wrapping layer has good fire resistance.

Preferably, the protective layer is made by carbon fiber cloth winding, and the inside is filled with low smoke and zero halogen flame retardant polyolefin material layer, increases its wearability through carbon fiber cloth and low smoke and zero halogen flame retardant polyolefin material, and has smokeless, nontoxic effect.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

1. the utility model discloses an evenly twine first wire and second wire on the outer cylinder of central locating lever along the joint groove, and cup jointed the sleeve outside it to make this inorganic mineral insulation separate oxygen layer fire prevention composite cable, it is fairly simple when the flame retardant coating and protective layer are cup jointed to the outside, thereby reduce production technology's the degree of difficulty.

2. The utility model discloses a paint inorganic glue film at the sleeve inner wall, increase the connection stability between sleeve and first wire and the second wire to through evenly setting up a plurality of clutch blocks, increase frictional force between external insulation layer and the sleeve outer wall, thereby make this inorganic mineral insulation separate oxygen layer fire prevention composite cable, the connectivity is better, and hardness is higher.

Drawings

FIG. 1 is an overall sectional view of the present invention;

FIG. 2 is a connection diagram of the center positioning rod, the first wire and the second wire of the present invention;

fig. 3 is a schematic view of the inner and outer structure of the sleeve of the present invention.

In the figure, 101, a central positioning rod; 102. a clamping groove; 201. a first conductive line; 202. a second conductive line; 203. an inner insulating layer; 301. a sleeve; 302. an inorganic adhesive layer; 303. a friction block; 400. an outer insulating layer; 500. a fire-resistant layer; 600. a waterproof layer; 700. and a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1-3, according to the utility model discloses an inorganic mineral insulation separates oxygen layer fire prevention composite cable, including central locating lever 101, two joint grooves 102 have been seted up to spiral arrangement on the outer cylinder of central locating lever 101, and two inside even joints of joint groove 102 have first wire 201 and second wire 202, all cup jointed inner insulating layer 203 on first wire 201 and the second wire 202 outer cylinder, sleeve 301 has been cup jointed to first wire 201 and second wire 202 outside, evenly linked firmly a plurality of clutch blocks 303 on the sleeve 301 outer cylinder, and sleeve 301 inner wall is paintd and is glued inorganic glue layer 302, outer insulating layer 400 has been cup jointed on the sleeve 301 outer cylinder, and outer insulating layer 400 outside has cup jointed flame retardant coating 500, flame retardant coating 500 outside has cup jointed waterproof layer 600, and waterproof layer 600 outside has cup jointed protective layer 700, wrap up first wire 201 and second wire 202 through inner insulating layer 203, prevent first wire and second wire 202 electric leakage, through sleeve 301 to the position of first wire 201 and second wire 202 fix, increase this inorganic mineral insulation cable through inorganic mineral insulation increases the inorganic mineral insulation and separates the inorganic mineral insulation cable's through the increase inorganic composite cable's that the fire prevention increases the life-proof increases inorganic mineral insulation layer 201 and the composite cable's that the fire prevention increases through the inorganic composite cable's that the inorganic mineral insulation layer that the fire prevention increases the fire prevention is protected layer that the fire prevention is protected by inorganic mineral insulation layer 500, the inorganic mineral insulation is connected between the inorganic mineral insulation layer that the fire prevention is through inorganic mineral insulation layer 700.

As shown in fig. 1-3, the first wire 201 and the second wire 202 are spirally wound on the outer cylindrical surface of the central positioning rod 101 through the clamping groove 102, the inner insulating layer 203 and the outer insulating layer 400 are both high temperature resistant insulating layers, the inorganic adhesive layer 302 is a ZS-1071 high temperature resistant inorganic adhesive layer, the fireproof layer 500 is a ceramic silicon rubber wrapping layer, the protective layer 700 is made of carbon fiber cloth in a winding manner, and a low smoke halogen-free flame retardant polyolefin material layer is filled inside the protective layer, the positions of the first wire 201 and the second wire 202 are fixed through the cooperation of the central positioning rod 101 and the clamping groove 102, the protective layer has high temperature resistance while insulating, so as to prevent fire accidents caused by internal heating, the ZS-1071 high temperature resistant inorganic adhesive can maintain good bonding performance and corrosion resistance at high temperature, the service life is long, metal cannot be corroded, the ceramic silicon rubber wrapping layer has good fire resistance, the wear resistance is increased through the carbon fiber cloth and the low smoke halogen-free flame retardant polyolefin material, and the wear resistance is smokeless and nontoxic.

Working principle;

the first conducting wire 201 and the second conducting wire 202 are uniformly wound on the outer cylindrical surface of the center positioning rod 101 along the clamping groove 102, then the sleeve 301 is sleeved, and the outer insulating layer 400, the fireproof layer 500, the waterproof layer 600 and the protective layer 700 are sequentially sleeved outside the sleeve 301.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an inorganic mineral insulation separates oxygen layer fire prevention composite cable, includes central locating lever (101), its characterized in that: two joint grooves (102) have been seted up to spiral arrangement on central locating pole (101) outer cylinder, and two inside even joints in joint groove (102) have first wire (201) and second wire (202), all cup jointed on first wire (201) and second wire (202) outer cylinder inner insulating layer (203), sleeve (301) have been cup jointed to first wire (201) and second wire (202) outside, evenly linked firmly a plurality of clutch blocks (303) on sleeve (301) outer cylinder, and scribble on sleeve (301) inner wall and be stained with inorganic glue layer (302), outer insulating layer (400) have been cup jointed on sleeve (301) outer cylinder, and outer insulating layer (400) outside has cup jointed flame retardant coating (500), waterproof layer (600) have been cup jointed to flame retardant coating (500) outside, and protective layer (700) have been cup jointed to waterproof layer (600) outside.

2. The inorganic mineral insulating oxygen barrier layer fireproof composite cable according to claim 1, wherein: the first lead (201) and the second lead (202) are spirally wound on the outer cylindrical surface of the central positioning rod (101) through the clamping groove (102).

3. The inorganic mineral insulating oxygen barrier layer fireproof composite cable according to claim 1, characterized in that: the inner insulating layer (203) and the outer insulating layer (400) are both high-temperature-resistant insulating layers.

4. The inorganic mineral insulating oxygen barrier layer fireproof composite cable according to claim 1, characterized in that: the inorganic adhesive layer (302) is a ZS-1071 high-temperature resistant inorganic adhesive layer.

5. The inorganic mineral insulating oxygen barrier layer fireproof composite cable according to claim 1, wherein: the fireproof layer (500) is a ceramic silicon rubber wrapping tape layer.

6. The inorganic mineral insulating oxygen barrier layer fireproof composite cable according to claim 1, wherein: the protective layer (700) is formed by winding carbon fiber cloth, and a low-smoke halogen-free flame-retardant polyolefin material layer is filled inside the protective layer.