CN215183140U

CN215183140U - Pottery armour ceramic flexible fireproof cable

Info

Publication number: CN215183140U
Application number: CN202121366140.2U
Authority: CN
Inventors: 张道勇; 张娟; 房继坤; 虞贵芳; 俞国路; 张勇
Original assignee: Shandong Yanggu Haohui Cable Co ltd
Current assignee: Shandong Yanggu Haohui Cable Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a ceramic flexible fireproof cable, which comprises three copper conductors, wherein the three copper conductors are provided with fireproof structures; wherein, fire resistive construction contains: the waterproof packaging structure comprises three insulating layers, three aluminum sheaths, filling, wrapping layers, an outer sheath and a waterproof component; three insulating layer suit is on three copper conductor, and three aluminum sheath suit is on three insulating layer, and around the covering suit on three aluminum sheath, the packing is located three insulating layer and around between the covering, and the oversheath suit is on around the covering, is equipped with waterproof component on the oversheath the utility model relates to a cable technology field can practice thrift cost 35%, saves magnesium oxide grout filling process, has reduced material cost, cost of labor and charges of electricity.

Description

Pottery armour ceramic flexible fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically a flexible fireproof cable of pottery armour pottery.

Background

The fire-proof layer of the existing fire-proof cable adopts a structure that double-sided reinforced synthetic mica tape is wrapped and insulated, and magnesium oxide (Mg (OH)2) is filled by grouting to serve as an oxygen-isolating layer. However, the mica tape becomes brittle when the cable burns, the mica tape becomes powder after mechanical impact and loses insulation performance, the insulation performance of the cable is greatly reduced due to the permeation of a large amount of water in the magnesium oxide (Mg (OH)2) grouting process, the voltage of a withstand voltage test cannot be increased or even interphase breakdown is caused, the magnesium oxide (Mg (OH)2) is easy to brittle and break when being installed and moved after being hardened, and the cable absorbs moisture, weathers and pulverizes after being used for a long time, and the fireproof and fireproof effects of fire insulation, fire blocking and temperature insulation are difficult to achieve during fire.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a ceramic-armored ceramic flexible fireproof cable comprises three copper conductors, wherein fireproof structures are arranged on the three copper conductors;

wherein, fire resistive construction contains: the waterproof packaging structure comprises three insulating layers, three aluminum sheaths, filling, wrapping layers, an outer sheath and a waterproof component;

the three insulating layers are sleeved on the three copper conductors, the three aluminum sheaths are sleeved on the three insulating layers, the wrapping layer is sleeved on the three aluminum sheaths, the filling is positioned between the three insulating layers and the wrapping layer, the outer sheath is sleeved on the wrapping layer, and the outer sheath is provided with a waterproof component.

Preferably, the waterproof assembly comprises: the clamping device comprises a threaded buckle, a sealing ring, a clamping claw and a joint main body;

the thread buckle is sleeved on the outer sheath, the sealing ring is positioned on the right side of the thread buckle, the clamping claw is sleeved on the outer sheath, the clamping claw is positioned on the right side of the sealing ring, the joint main body is sleeved on the outer sheath, the joint main body is positioned on the right side of the clamping claw, and the thread buckle is screwed together by the joint main body.

Preferably, the three insulating layers are fireproof and fireproof ceramic mica tape insulating layers.

Preferably, adopt fire prevention fire-resistant ceramic micanite area around the covering.

Preferably, the outer sheath is a halogen-free low-smoke flame-retardant polyolefin outer sheath.

Preferably, the filling is made of halogen-free glass fiber ropes.

Advantageous effects

The utility model provides a flexible fireproof cable of pottery armour pottery. The utility model discloses an adopt "pottery ceramic fire prevention fire resistant mica tape" as the insulating layer of cable or separate the oxygen layer, the cable can ceramic incrustation rapidly when burning, can bear the vibrations fire resistance test that sprays more than 950 ℃, the incrustation can not fly upward and drop, pottery ceramic fire prevention fire resistant mica tape does not absorb moisture and need not dry, it is not can not be stippled to have the plastic film, can replace burning mica tape completely, synthetic mica tape, golden mica tape and ceramic composite tape, can practice thrift cost 35%, save magnesium oxide (Mg (OH) grout filling process, material cost, cost of labor and charges of electricity have been reduced.

Drawings

Figure 1 is the utility model discloses a pottery armour ceramization flexible fireproof cable look sideways at schematic structure.

Fig. 2 is the utility model discloses a structure schematic diagram is looked from main perspective of flexible fireproof cable of pottery armour pottery porcelain ization.

In the figure: 1-a copper conductor; 2 an insulating layer; 3-an aluminum sheath; 4-filling; 5-wrapping a covering; 6-outer sheath; 7-thread buckling; 8-sealing ring; 9-a clamping jaw; 10-a connector body.

Detailed Description

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-2, a ceramic-sheathed ceramic flexible fireproof cable is disclosed, which comprises the following main components: the three copper conductors 1 are provided with fireproof structures;

it should be noted that fire-proof structures are arranged on the three copper conductors 1 to prevent the cable from firing.

In the specific implementation process, the fireproof structure comprises: the waterproof structure comprises three insulating layers 2, three aluminum sheaths 3, a filling 4, a wrapping layer 5, an outer sheath 6 and a waterproof component;

three insulating layer 2 suit is on three copper conductor 1, and three aluminium sheath 3 suit is on three insulating layer 2, around covering 5 suit on three aluminium sheath 3, pack 4 and lie in three insulating layer 2 and around between covering 5, and oversheath 6 suit is on around covering 5, is equipped with waterproof component on the oversheath 6.

It should be noted that, the three insulating layers 2 on the three copper conductors 1 are used as conductor insulating layers, the covering rate is not less than 30%, the three insulating layers have certain mechanical strength and water spray resistance, and simultaneously have good insulating performance, so that the continuous electrification of the cable is ensured, the three aluminum sheaths 3 are processed by a special process, have good conductivity, flexible bending and other characteristics, and can be used as grounding wires, the three aluminum sheaths 3 can reduce the heating temperature of the mica tape to 600 ℃ under the attack of flame, the stability of the three insulating layers 2 is improved, the filling 4 can be compactly filled completely, the fireproof and fireproof ceramic mica tape wrapping layer 5 is used as an oxygen isolation layer, the covering rate of the wrapping is not less than 30%, the mica tape can be rapidly subjected to ceramic encrusting during the combustion of the cable, so that the oxygen isolation effect is achieved, and the outer sheath 6 plays a protection role.

In one embodiment, the waterproof assembly further comprises: the connector comprises a threaded buckle 7, a sealing ring 8, a clamping claw 9 and a connector main body 10;

the thread buckle 7 is sleeved on the outer sheath 6, the sealing ring 8 is positioned on the right side of the thread buckle 7, the clamping claw 9 is sleeved on the outer sheath 6, the clamping claw 9 is positioned on the right side of the sealing ring 8, the joint main body 10 is sleeved on the outer sheath 6, the joint main body 10 is positioned on the right side of the clamping claw 9, and the joint main body 10 twists the thread buckle 7 together.

It should be noted that, the thread buckle 7, the seal ring 8, the clamping jaw 9 and the joint main body 10 are sequentially sleeved on the outer sheath 6, and the thread buckle 7 and the joint main body 10 are screwed once, so that the inner part of the outer sheath 6 can be sealed and waterproof, a waterproof effect is achieved, and the service life is prolonged.

In the specific implementation process, the three insulating layers 2 are fireproof and fireproof ceramic mica tape insulating layers 2.

In the specific implementation process, further, the wrapping layer 5 is made of fireproof and fire-resistant ceramic mica tape wrapping layer 5.

In the specific implementation process, the outer sheath 6 is further a halogen-free low-smoke flame-retardant polyolefin outer sheath 6.

In the specific implementation process, the filling 4 is further filled with the halogen-free glass fiber rope 4.

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

Claims

1. A ceramic-armored ceramic flexible fireproof cable comprises three copper conductors, and is characterized in that fireproof structures are arranged on the three copper conductors;

the three insulating layers are sleeved on the three copper conductors, the three aluminum sheaths are sleeved on the three insulating layers, the wrapping layer is sleeved on the three aluminum sheaths and is filled between the three insulating layers and the wrapping layer, the outer sheath is sleeved on the wrapping layer, and the outer sheath is provided with a waterproof component;

the waterproof assembly includes: the clamping device comprises a threaded buckle, a sealing ring, a clamping claw and a joint main body;

the thread buckle is sleeved on the outer sheath, the sealing ring is positioned on the right side of the thread buckle, the clamping claw is sleeved on the outer sheath, the clamping claw is positioned on the right side of the sealing ring, the joint main body is sleeved on the outer sheath, the joint main body is positioned on the right side of the clamping claw, and the thread buckle is screwed together by the joint main body;

the three insulating layers adopt fireproof and fireproof ceramic mica tape insulating layers;

the wrapping layer is made of fireproof and fireproof ceramic mica tape.

2. The ceramic-armored ceramic flexible fireproof cable of claim 1, wherein the outer sheath is a halogen-free low-smoke flame-retardant polyolefin outer sheath.

3. The ceramic armor ceramic flexible fireproof cable of claim 1, wherein the filling is halogen-free glass fiber rope filling.