CN217822179U

CN217822179U - Fire-resistant type wire and cable

Info

Publication number: CN217822179U
Application number: CN202221429681.XU
Authority: CN
Inventors: 闫秋善; 黄颖茂
Original assignee: Hebei Hanzheng Cable Co ltd
Current assignee: Hebei Hanzheng Cable Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-15
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a fire-resistant type wire and cable, including four interior sinle silk and lag, lag center line position is equipped with resistance to compression subassembly, and the blank area between lag and four interior sinle silks is the filling layer, and the peripheral winding of interior sinle silk has corrosion resistant layer and insulating layer, and the peripheral parcel of insulating layer has first flame retardant coating, and lag outside parcel has the waterproof layer, and waterproof layer outside parcel has the shielding layer, and the shielding layer outside wraps up metal mesh layer, and the parcel of the metal mesh layer outside has the second flame retardant coating, and the parcel of the second flame retardant coating outside is outer resistance to compression layer. The utility model relates to the technical field of electric wires and cables; the utility model provides a fire-resistant type wire and cable, the utility model discloses a set up the probability of lighting of second flame retardant coating reduction cable to it has natural butylbenzene material to fill in the filling layer through in the protective sheath, has further strengthened the refractiveness of cable, and the natural butylbenzene material of elasticity has increased the elasticity of cable when reducing the cable probability of lighting.

Description

Fire-resistant wire cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a fire-resistant type wire and cable.

Background

With the rapid development of national economy, the use amount and the use range of the wire and the cable as the main artery of the national economy are larger and larger. A wire cable is a cable for transmitting and distributing electric power. The power transmission line is commonly used for urban underground power grids, leading-out lines of power stations, internal power supply of industrial and mining enterprises and underwater power transmission lines crossing rivers and sea. In the electric power lines, the specific gravity occupied by the electric wires and cables is gradually increasing. The electric wire and cable is used in the main line of the power system to transmit and distribute the high-power electric energy, including 1-500KV and above various voltage grades of various insulated electric wire and cable, according to the voltage to divide into high-tension cable and low-tension cable, the low-tension cable line compares with low-tension overhead line, although the fabrication cost is higher, lay and maintain comparatively difficult, because it has reliable operation, do not stand the pole, do not take up the ground, do not hinder the look, receive external influence characteristics such as being minor, but get the wide application in the low-tension distribution system.

In the prior art, for a cable for transmitting electric power, besides a flame-retardant sheath, a mica tape is wound on a conductor to be used as an insulating layer or inorganic mineral is used as the insulating layer; communication signal products are mostly protected on a protective layer, a flame-retardant outer sheath is generally adopted, for insulation, because the communication signal cables require that the capacitance of a cable wire pair is small, the existing pressure-resistant wire cable is not high in fire resistance, the wire cable is difficult to have a good fire-resistant effect only by one fire-resistant layer, the generated high temperature can melt the wire cable quickly, short circuit is caused, and potential safety hazards exist.

Therefore, the utility model provides a fire-resistant type wire and cable to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fire-resistant type wire and cable, to prior art not enough, the above-mentioned problem has been solved.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire-resistant type wire and cable, includes four interior sinle silk and lag, lag center line position is equipped with resistance to compression subassembly, the lag with blank region between four interior sinle silks is the filling layer, one the peripheral winding of interior sinle silk has corrosion resistant layer and insulating layer, the peripheral parcel of insulating layer has first flame retardant coating, lag outside parcel has the waterproof layer, waterproof layer outside parcel has the shielding layer, shielding layer outside parcel metal mesh layer, metal mesh layer outside parcel has the second flame retardant coating, second flame retardant coating outside parcel is outer pressure resistant layer.

Preferably, the resistance to compression subassembly is including establishing slide rail and the reinforcement that puts at lag central point, sliding connection has four balls in the slide rail, one ball one end fixed mounting has a fixing base, fixing base one end fixed mounting has two first axle beds, both sides rotate on the first axle bed and be connected with the telescopic link, the cover is equipped with the top and pushes away spring on the telescopic link outer wall, both sides telescopic link one end is rotated and is connected with the second axle bed, both sides second axle bed one end fixed mounting has the kicking block, the kicking block supports on the reinforcement.

Preferably, the protective sleeve is made of polyvinyl chloride materials, and the polyvinyl chloride materials are good in wear resistance and convenient to protect internal materials.

Preferably, the filling layer is made of an elastic filling material natural styrene-butadiene material, so that the coating is wear-resistant, heat-resistant and ageing-resistant and has a good protection effect.

Preferably, the corrosion-resistant layer is made of a carbon fiber material, and the carbon fiber material is excellent in corrosion resistance and convenient to protect the inner wire core.

Preferably, the first refractory layer and the second refractory layer are refractory mica tapes.

Preferably, the waterproof layer is made of water-absorbent resin materials which have excellent waterproofness.

Preferably, the pushing spring is made of stainless steel, and the stainless steel is light in weight and convenient to install and use.

Advantageous effects

The utility model provides a fire-resistant type wire and cable. Compared with the prior art, the method has the following beneficial effects:

(1) The utility model provides a fire-resistant type wire and cable, the utility model discloses a set up the probability of lighting of second flame retardant coating reduction cable, and it has natural butylbenzene material to fill in the packing layer through in the protective sheath, the refractiveness of cable has further been strengthened, and the natural butylbenzene material of elasticity is when reducing the cable probability of lighting, the elasticity of cable has been increased, and through setting up the waterproof layer, the waterproof nature of cable has been improved, through setting up the shielding layer, be convenient for carry out insulation shielding to the cable, through setting up metal mesh layer, the joint strength of cable has been improved, wire and cable's safety in utilization has been guaranteed, so the device's practicality has been improved.

(2) The utility model provides a pressure that fire-resistant type wire and cable, when the cable received ambient pressure, can put pressure conduction to lag central point, and the ball drives the stationary ladle and extrudees to the reinforcement afterwards to drive the telescopic link and rotate on the second axle seat, the top pushes away the spring and takes place deformation, absorbs the pressure that comes from interior sinle silk, thereby has reduced the inside conduction of cable pressure, is favorable to protecting interior sinle silk, has so improved the device's practicality.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

fig. 2 is a front cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is an enlarged schematic view of the utility model at b.

FIG. 1, inner wire core; 2. a protective sleeve; 3. a compression resistant assembly; 4. a filling layer; 5. a corrosion resistant layer; 6. an insulating layer; 7. a first refractory layer; 8. a waterproof layer; 9. a shielding layer; 10. a metal mesh layer; 11. a second refractory layer; 12. an outer pressure resistant layer; 13. a slide rail; 14. a reinforcement; 15. a ball bearing; 16. a fixed seat; 17. a first shaft seat; 18. a telescopic rod; 19. pushing a spring; 20. a second shaft seat; 21. and (7) a top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 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.

The first embodiment is as follows:

referring to fig. 1-4, a fire-resistant electric wire and cable, including four inner core 1 and lag 2, lag 2 adopts polyvinyl chloride material, polyvinyl chloride material wear resistance is good, be convenient for protect the inner material, lag 2 central line position is equipped with compressive component 3, through setting up compressive component 3, be convenient for alleviate the pressure between the inner core 1 of lag 2 inside, the blank area between lag 2 and four inner core 1 is filling layer 4, filling layer 4 adopts the natural butylbenzene material of elasticity filling material, wear-resisting, heat-resisting, ageing-resistant, there is better guard action, inner core 1 periphery winding has corrosion-resistant layer 5 and insulating layer 6, corrosion-resistant layer 5 is for adopting carbon fiber material, carbon fiber material corrosion resistance is excellent, be convenient for protect inner core 1, insulating layer 6 periphery parcel has first flame retardant coating 7, lag 2 outside parcel has waterproof layer 8, waterproof layer 8 is water-absorbent resin class material, water-absorbent resin class material waterproof layer is excellent, through setting up waterproof layer 8, the waterproof layer of improved, 8 outside parcel has shielding layer 9, be convenient for shield the cable, shielding layer 9 is carried out shielding, the fire-resistant electric wire and the second metal insulation layer 10 has set up fire-resistant layer 10, fire-resistant metal tape parcel is fire-resistant, fire-resistant cable outer side protection layer 12, fire-resistant layer connection of second flame-resistant layer increases fire-resistant layer.

The second embodiment:

referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: resistance to compression subassembly 3 is including establishing slide rail 13 and the reinforcement 14 of putting at lag 2 central point, sliding connection has four balls 15 in

slide rail

13, 15 one end fixed mounting of a ball has fixing

base

16, 16 lower extreme fixed mounting of fixing base has two primary shaft seats 17, it is connected with telescopic link 18 to rotate on the primary shaft seat 17 of both sides, the cover is equipped with on the telescopic link 18 outer wall and pushes away spring 19, it is stainless steel to push away spring 19, stainless steel matter quality is light, and convenient to install and use, 18 one end of the telescopic link of both sides rotates and is connected with

secondary shaft seat

20, 20 one end fixed mounting of secondary shaft seat of both sides has kicking block 21, kicking block 21 supports on reinforcement 14, when the cable pressurized, drive fixing base 16 to reinforcement 14 extrusion, thereby drive telescopic link 18 and rotate on secondary shaft seat 20, it takes place deformation to push away spring 19, absorb the pressure that comes from interior sinle silk 1, be convenient for protecting the cable.

And those not described in detail in this specification are well within the skill of those in the art.

The utility model discloses a set up the probability of lighting of second flame retardant coating 11 reduction cable, and be filled with natural butylbenzene material through the filling layer 4 intussuseption in lag 2, the refractiveness of cable has further been strengthened, and the natural butylbenzene material of elasticity is when reducing the cable probability of lighting, the elasticity of cable has been increased, and through setting up waterproof layer 8, the waterproof nature of cable has been improved, through setting up shielding layer 9, be convenient for carry out insulation shield to the cable, through setting up metal mesh layer 10, the joint strength of cable has been improved, wire and cable's safety in utilization has been guaranteed, the practicality of the device has so been improved, when the cable received external pressure, can be with pressure conduction to lag 2 central point, ball 15 drives fixing base 16 and extrudees to reinforcement 14 afterwards, thereby drive telescopic link 18 and rotate on second shaft seat 20, top pushes away spring 19 and takes place deformation, absorb the pressure that comes from interior sinle silk 1, thereby the pressure of the inside conduction of cable has been reduced, be favorable to protecting interior sinle silk 1, the practicality of the device has so been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a fire-resistant type wire and cable, includes four interior sinle silk (1) and lag (2), its characterized in that: lag (2) center line position is equipped with resistance to compression subassembly (3), lag (2) with blank region between four interior sinle silk (1) is filling layer (4), one interior sinle silk (1) peripheral winding has corrosion resistant layer (5) and insulating layer (6), insulating layer (6) peripheral parcel has first flame retardant coating (7), lag (2) outside parcel has waterproof layer (8), waterproof layer (8) outside parcel has shielding layer (9), shielding layer (9) outside parcel metal mesh layer (10), metal mesh layer (10) outside parcel has second flame retardant coating (11), second flame retardant coating (11) outside parcel is outer compressive layer (12).

2. A fire-resistant wire cable according to claim 1, wherein: resistance to compression subassembly (3) is including establishing slide rail (13) and reinforcement (14) that put at lag (2) central point, sliding connection has four balls (15) in slide rail (13), one ball (15) one end fixed mounting has fixing base (16), fixing base (16) one end fixed mounting has two first axle beds (17), both sides it is connected with telescopic link (18) to rotate on first axle bed (17), the cover is equipped with top push spring (19) on telescopic link (18) outer wall, both sides telescopic link (18) one end is rotated and is connected with second axle bed (20), both sides second axle bed (20) one end fixed mounting has kicking block (21), kicking block (21) support on reinforcement (14).

3. The fire-resistant wire cable according to claim 1, wherein: the protective sleeve (2) is made of polyvinyl chloride materials.

4. A fire-resistant wire cable according to claim 1, wherein: the filling layer (4) is made of elastic filling material natural butylbenzene material.

5. A fire-resistant wire cable according to claim 1, wherein: the corrosion-resistant layer (5) is made of carbon fiber materials.

6. A fire-resistant wire cable according to claim 1, wherein: the first fire-resistant layer (7) and the second fire-resistant layer (11) are fire-resistant mica tapes.

7. A fire-resistant wire cable according to claim 1, wherein: the waterproof layer (8) is made of water-absorbing resin materials.

8. A fire-resistant wire cable according to claim 2, wherein: the pushing spring (19) is made of stainless steel.