CN215417636U

CN215417636U - Cluster type safety overhead fireproof cable

Info

Publication number: CN215417636U
Application number: CN202121174937.2U
Authority: CN
Inventors: 薛虹; 杨宁; 卜建真
Original assignee: JIANGSU DONGFENG CABLE CO Ltd
Current assignee: JIANGSU DONGFENG CABLE CO Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-04
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a cluster type safe overhead fireproof cable, which comprises cable bodies, wherein a plurality of groups of cable bodies are arranged side by side, a connecting assembly is arranged between the cable bodies, each cable body mainly comprises a cable core, an outer insulating layer, a shielding layer, an outer protective insulating sleeve and an armor layer, the outer insulating layer wraps the outside of the cable core, the shielding layer is arranged outside the outer insulating layer, the shielding layer wraps the outside of the outer insulating layer, the armor layer is arranged outside the shielding layer, a fireproof outer layer wraps the outside of the armor layer, the outer protective insulating sleeve wraps the outer wall of the fireproof outer layer, the utility model wraps a fireproof inner layer outside the inner insulating layer in each cable core, the fireproof outer layer is arranged outside the cable core and consists of a plurality of flame retardant strips arranged in the protective sleeve, and the protective sleeve of the fireproof outer layer is damaged by high temperature in case of fire so that flame retardant strips in the flame retardant strips leak out, reach fire extinguishing effect, the cable body has two sets of fire prevention measures, and whole cable body fire prevention effect is good.

Description

Cluster type safety overhead fireproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a cluster type safe overhead fireproof cable.

Background

The bundling type safety overhead fireproof cable is a parallel bundling wire for short, is formed by parallelly connecting a plurality of groups of cables, has the characteristics of loss reduction, energy conservation, voltage quality improvement, electric shock prevention, electricity stealing prevention, simple construction, simple and neat circuit and is widely used.

Because the conductor in the built on stilts fireproof cable of cluster type safety is concentrated and is set up, the during operation can produce a large amount of heats for built on stilts fireproof cable of cluster type safety heaies up, takes place the conflagration easily when the short circuit, and when the conflagration, fireproof cable's outer quick combustion easily, and each group's cable formula structure as an organic whole in the built on stilts fireproof cable of cluster type safety that moreover has now makes the flexibility reduce, for this reason, we provide a built on stilts fireproof cable of cluster type safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cluster type safety overhead fireproof cable, and aims to solve the problems that in the background technology, because conductors in the cluster type safety overhead fireproof cable are arranged in a centralized manner, a large amount of heat is generated during working, the cluster type safety overhead fireproof cable is heated, a fire disaster is easy to happen during short circuit, the outer layer of the fireproof cable is easy to burn quickly during the fire disaster, and in addition, all groups of cables in the existing cluster type safety overhead fireproof cable are of an integrated structure, so that the flexibility is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a beam-forming type safety built on stilts fireproof cable, includes the cable body, the cable body sets up the multiunit side by side, and sets up coupling assembling between the cable body, the cable body mainly includes cable core, outer insulating layer, shielding layer, outer protection insulating cover and armor, the outer insulating layer parcel is in the outside of cable core, the shielding layer sets up outside the outer insulating layer, the outside parcel shielding layer of outer insulating layer, the shielding layer outside is provided with the armor, the outside parcel of armor has the fire prevention skin, the outer protection insulating cover parcel is at the outer wall of fire prevention skin.

As further preferable in the present technical solution: the fire prevention skin includes fire-retardant strip and protective sheath, fire-retardant strip is provided with the multiunit, and in the protective sheath was arranged in to fire-retardant strip, fire-retardant strip wound the setting around the protective sheath.

As further preferable in the present technical solution: and a flame retardant is arranged in the flame retardant strip.

As further preferable in the present technical solution: the cable core includes support piece, filler and sinle silk, the sinle silk is provided with the multiunit, be provided with support piece between the sinle silk, it has the filler to fill between support piece and the sinle silk, the cable core is provided with outward around the covering.

As further preferable in the present technical solution: the cable core comprises a conductor, an inner insulating layer and a fireproof inner layer, wherein the inner insulating layer is wrapped outside the conductor, and the fireproof inner layer is arranged outside the inner insulating layer.

As further preferable in the present technical solution: the utility model discloses a supporting piece, including fan-shaped support piece, the hollow core slab of connection and stay tube, fan-shaped support piece installs the one end at the hollow core slab of connection, the other end of connecting the hollow core slab is fixed at the support tube outer wall, fan-shaped support piece is hollow chamber, and fan-shaped support piece's hollow chamber and the hollow chamber intercommunication of connecting the hollow core slab, the sinle silk is arranged in and is connected between the hollow core slab.

As further preferable in the present technical solution: the connecting assembly comprises an inserting strip and a butt-joint frame, a butt-joint groove is formed in the butt-joint frame, the inserting strip between adjacent cable bodies is inserted into the butt-joint frame, and the inserting strip and the butt-joint frame are arranged on two opposite sides of the cable bodies.

The utility model provides a cluster type safe overhead fireproof cable which has the following beneficial effects:

(1) according to the utility model, the inner insulating layer in each wire core is wrapped with the fireproof inner layer, the fireproof outer layer is arranged outside the cable core, so that the cable body has two groups of fireproof measures, the fireproof outer layer is composed of the plurality of flame-retardant strips arranged in the protective sleeve, when a fire disaster occurs, the protective sleeve of the fireproof outer layer is damaged by high temperature, so that flame-retardant substances in the flame-retardant strips leak, the fire extinguishing effect is achieved, and meanwhile, when the cable body is used in combination with the fireproof inner layer, the whole cable body has a good fireproof effect.

(2) The utility model assembles the bundling type safety overhead fireproof cable by adopting a plurality of cable bodies and utilizing the connecting component, the connecting component is composed of the splicing strips and the butt-joint frames, and the splicing strips and the butt-joint frames are respectively arranged at two opposite sides of the cable bodies, when in use, the adjacent cable bodies can be connected by utilizing the connecting component, the installation mode is flexible and simple, a bundle of cable bodies with corresponding quantity can be selected according to requirements, and the assembled bundling type cable bodies can be disassembled according to requirements, the traditional integrated structure is changed, the flexibility is increased,

(3) according to the utility model, the cable core is internally provided with the supporting piece consisting of the plurality of groups of connecting hollow plates connected with the fan-shaped supporting pieces and the supporting tube for installing the connecting hollow plates, and the connected fan-shaped supporting pieces and the connecting hollow plates are utilized to separate the cable core, so that the heat dissipation space is increased, the heat dissipation effect of the whole cable core is good, and meanwhile, the strength of the cable body is enhanced by the supporting piece, so that the cable body is not easy to deform when being extruded.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a cable core according to the present invention;

FIG. 3 is a schematic view of the structure of the fire-retardant outer layer of the present invention;

fig. 4 is a schematic structural diagram of the supporting member of the present invention.

In the figure: 1. a cable body; 2. a cable core; 3. an outer insulating layer; 4. a shielding layer; 5. a fire-resistant outer layer; 6. an outer protective insulating sleeve; 7. an armor layer; 8. a butt joint groove; 9. inserting strips; 10. a docking frame; 11. a connecting assembly; 12. wrapping a covering; 13. a conductor; 14. an inner insulating layer; 15. a fire resistant inner layer; 16. a support member; 17. a filler; 18. a flame retardant strip; 19. a protective sleeve; 20. a flame retardant; 21. a sector shaped support; 22. connecting the hollow plates; 23. supporting a tube; 24. and a wire core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a beam set type safety built on stilts fireproof cable, including the cable body 1, the cable body 1 sets up the multiunit side by side, and set up coupling assembling 11 between the cable body 1, the cable body 1 mainly includes cable core 2, outer insulating layer 3, shielding layer 4, outer protection insulating cover 6 and

armor

7, 3 parcels of outer insulating layer are in the outside of cable core 2, shielding layer 4 sets up in 3 outsides of outer insulating layer, 3 outsides parcel shielding layer 4 of outer insulating layer, 4 outsides of shielding layer are provided with

armor

7, 7 outsides parcels of armor have

fire prevention skin

5, 6 parcels of outer protection insulating cover are at the outer wall of fire prevention skin 5.

As further preferable in the present technical solution: the outer 5 of fire prevention includes fire-retardant strip 18 and protective sheath 19, and fire-retardant strip 18 is provided with the multiunit, and in protective sheath 19 was arranged in to fire-retardant strip 18, fire-retardant strip 18 wound the setting around protective sheath 19, was provided with fire-retardant thing 20 in the fire-retardant strip 18, and when the conflagration breaing out, protective sheath 19 in the outer 5 of fire prevention damaged, and fire-retardant thing 20 in the fire-retardant strip 18 of this moment leaks, reaches the fire control effect.

In this embodiment, specifically: the cable core 2 comprises a support piece 16, a filler 17 and a cable core 24, the cable core 24 is provided with a plurality of groups, the support piece 16 is arranged between the cable core 24, the filler 17 is filled between the support piece 16 and the cable core 24, the cable core 2 is externally provided with a wrapping layer 12, the support piece 16 is utilized to increase the strength of the cable core 2, and during later use, the cable body can be prevented from being deformed easily when being extruded.

In this embodiment, specifically: the sinle silk 24 includes conductor 13, inner insulating layer 14 and fire prevention inlayer 15, and the outer parcel inner insulating layer 14 of conductor 13 sets up fire prevention inlayer 15 outside inner insulating layer 14, and sinle silk 24 parcel fire prevention inlayer 15 for sinle silk 24 has the fire prevention effect, combines the outer 5 uses of fire prevention, and whole cable body 1 has double-deck fire prevention measure.

In this embodiment, specifically: support piece 16 includes fan-shaped support piece 21, connect hollow slab 22 and stay tube 23, fan-shaped support piece 21 is installed in the one end of connecting hollow slab 22, the other end of connecting hollow slab 22 is fixed at stay tube 23 outer wall, fan-shaped support piece 21 is hollow chamber, and fan-shaped support piece 21's hollow chamber and the hollow chamber intercommunication of connecting hollow slab 22, sinle silk 24 is arranged in and is connected between the hollow slab 22, utilize fan-shaped support piece 21 and connect hollow slab 22 to separate between the sinle silk 24 with cable core 2, increase the heat dissipation space, make 2 radiating effect of whole cable core good, support piece 16 provides the holding power for cable core 2 simultaneously, the effectual cable body 1 that takes place during the extrusion warp.

In this embodiment, specifically: the connection assembly 11 comprises the splicing strips 9 and the butt joint frames 10, the butt joint grooves 8 are formed in the butt joint frames 10, the splicing strips 9 between the adjacent cable bodies 1 are inserted into the butt joint frames 10, the splicing strips 9 and the butt joint frames 10 are arranged on two opposite sides of the cable bodies 1, and when the bundling safety overhead fireproof cable is used, the splicing strips 9 on one group of cable bodies 1 are inserted into the butt joint grooves 8 of the butt joint frames 10 on the adjacent cable bodies 1, so that the cable bodies 1 can be assembled into one bundle.

It should be noted that, when working, a cluster type safety aerial fireproof cable, through setting up the fire-proof inner layer 15 in each sinle silk 24, set up the fire-proof skin 5 outside the cable core 2 that the sinle silk 24 makes up, and adopt the fire-proof skin 5 to make up with many fire-retardant strips 18, and place many fire-retardant strips 18 in the protective sheath 19, while using, when the fire breaks out, the protective sheath 19 in the fire-proof skin 5 damages, the inflaming retarding thing 20 in the fire-retardant strip 18 leaks at this moment, reach the fire extinguishing effect, when combining the use of the fire-proof inner layer 15 at the same time, the whole cable body 1 has two groups of fire-proof measures, increase the fire-proof effect, through setting up inserting strip 9 and abutting frame 10 on the opposite both sides of the cable body 1 separately, while using, insert inserting the inserting strip 9 on a group of cable bodies 1 into abutting frame 10 on the adjacent cable body 1 in the abutting frame 8, can assemble a bunch of cable body 1, according to the installation mode, the cable bodies 1 with corresponding quantity can be selected to form a bundle according to requirements, and the bundled cable bodies 1 after being formed can be detached according to requirements, the bundled safety overhead fireproof cable changes the traditional integrated structure, the assembled bundled safety overhead fireproof cable can be assembled or used independently according to requirements, and flexibility is improved, wherein the support piece 16 is arranged in the cable core 2, the support piece 16 consists of a plurality of groups of fan-shaped support pieces 21, a connecting hollow plate 22 and a group of supporting tubes 23, the fan-shaped support pieces 21 and the connecting hollow plate 22 are used for separating the cable cores 24 of the cable core 2, a heat dissipation space is increased, the heat dissipation effect of the whole cable core 2 is good, meanwhile, the support piece 16 provides supporting force for the cable core 2, and deformation of the cable bodies 1 during extrusion is effectively prevented.

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

Claims

1. The utility model provides a fire prevention cable is maked somebody a mere figurehead to bundling type safety, includes cable body (1), its characterized in that: the cable body (1) sets up the multiunit side by side, and sets up coupling assembling (11) between the cable body (1), the cable body (1) mainly includes cable core (2), outer insulating layer (3), shielding layer (4), outer protection insulating cover (6) and armor (7), outer insulating layer (3) parcel is in the outside of cable core (2), shielding layer (4) set up in outer insulating layer (3) outside, outer insulating layer (3) outside parcel shielding layer (4), shielding layer (4) outside is provided with armor (7), armor (7) outside parcel has fire prevention skin (5), outer protection insulating cover (6) parcel is at the outer wall of fire prevention skin (5).

2. The bundled safety overhead fireproof cable of claim 1, wherein: the fire-proof outer layer (5) comprises fire-retardant strips (18) and a protective sleeve (19), the fire-retardant strips (18) are provided with multiple groups, the fire-retardant strips (18) are arranged in the protective sleeve (19), and the fire-retardant strips (18) are wound around the protective sleeve (19).

3. The bundled safety overhead fireproof cable of claim 2, wherein: and a flame retardant (20) is arranged in the flame retardant strip (18).

4. The bundled safety overhead fireproof cable of claim 1, wherein: the cable core (2) comprises a supporting piece (16), fillers (17) and cable cores (24), the cable cores (24) are provided with multiple groups, the supporting piece (16) is arranged between the cable cores (24), the fillers (17) are filled between the supporting piece (16) and the cable cores (24), and the wrapping layer (12) is arranged outside the cable core (2).

5. The bundled safety overhead fireproof cable of claim 4, wherein: the cable core (24) comprises a conductor (13), an inner insulating layer (14) and a fireproof inner layer (15), the conductor (13) is wrapped by the inner insulating layer (14), and the fireproof inner layer (15) is arranged outside the inner insulating layer (14).

6. The bundled safety overhead fireproof cable of claim 4, wherein: support piece (16) include fan-shaped support piece (21), connect hollow slab (22) and stay tube (23), the one end of connecting hollow slab (22) is installed in fan-shaped support piece (21), the other end of connecting hollow slab (22) is fixed at stay tube (23) outer wall, fan-shaped support piece (21) are hollow chamber, and the hollow chamber of fan-shaped support piece (21) and the hollow chamber intercommunication of connecting hollow slab (22), sinle silk (24) are placed in and are connected between hollow slab (22).

7. The bundled safety overhead fireproof cable of claim 1, wherein: the connecting assembly (11) comprises inserting strips (9) and a butt joint frame (10), a butt joint groove (8) is formed in the butt joint frame (10), the inserting strips (9) between the adjacent cable bodies (1) are inserted into the butt joint frame (10), and the inserting strips (9) and the butt joint frame (10) are arranged on two opposite sides of the cable bodies (1).