CN216353557U

CN216353557U - Multi-core stranded conductor fireproof cable

Info

Publication number: CN216353557U
Application number: CN202122751716.3U
Authority: CN
Inventors: 杨贤群; 杨浩; 杨伟群
Original assignee: Chongqing Jishou Wire And Cable Co ltd
Current assignee: Chongqing Jishou Wire And Cable Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model belongs to the technical field of cables, and discloses a multi-core stranded conductor fireproof cable which comprises an outer sheath, an inner sheath is arranged inside the outer sheath, a traction rope is connected in the middle inside the inner sheath, and one side of the inner part of the inner sheath close to the traction rope is provided with a wire core, the outer wall of the wire core is connected with a first anti-interference layer, an insulating layer is fixed on the outer wall of the first anti-interference layer, a pressure-resistant layer is arranged between the outer sheath and the inner sheath, and the inner wall of the outer sheath is connected with a second anti-interference layer, the anti-interference performance of the cable can be greatly enhanced through the internal and external dual protection of the first anti-interference layer and the second anti-interference layer, thereby effectively prevent electromagnetic interference, can prevent ultraviolet radiation through the layer of protecting against radiation simultaneously, can strengthen the resistance to compression bearing capacity of cable through the resistance to compression layer to prevent the cable damage, improved the security when using greatly.

Description

Multi-core stranded conductor fireproof cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a multi-core stranded conductor fireproof cable.

Background

A cable is an electrical energy or signal transmission device, generally a rope-like cable made up of several twisted sets of conductors (at least two in each set), each set being insulated from the other and usually twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable having internal current-carrying and external insulation characteristics.

However, the fireproof cable in the current market still has more defects in practical use, for example, the fireproof cable has poor anti-interference capability and is easy to be interfered by external electromagnetic waves, so that signal transmission is influenced, and the anti-pressure and anti-static performances are weak, so that the safety in use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-core stranded conductor fireproof cable, which solves the problems of poor anti-interference capability, and poor pressure resistance and antistatic performance of the fireproof cable in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multicore transposition conductor fireproof cable, includes the oversheath, the internally mounted of oversheath has the inner sheath, the inside intermediate junction of inner sheath has the haulage rope, and one side that the inside of inner sheath is close to the haulage rope installs the sinle silk, the outer wall connection of sinle silk has first anti-interference layer, the outer wall on first anti-interference layer is fixed with the insulating layer, install the resistance to compression layer between oversheath and the inner sheath, and the inner wall connection of oversheath has the second to resist interference layer, the second is resisted the inner wall on interference layer and is installed the radiation protection layer.

Preferably, a composite layer is installed between the anti-pressure layer and the inner sheath, the composite layer comprises a dry layer, one side of the dry layer is connected with a first anti-static layer, and the other side of the dry layer is fixed with a second anti-static layer.

Preferably, the outer wall of the outer sheath is provided with a wear-resistant layer, and the outer wall of the wear-resistant layer is provided with wear-resistant particles.

Preferably, the wire cores are provided with six wire cores, and the six wire cores are circularly distributed in an annular shape by using the traction rope.

Preferably, the flame retardant coating is installed to the inner wall of inner sheath, and the inside packing of inner sheath has waterproof cable cream layer.

Preferably, the first anti-static layer and the second anti-static layer are symmetrically arranged, and the thickness of the first anti-static layer and the thickness of the second anti-static layer are both smaller than that of the drying layer.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, through the internal and external dual protection of the first anti-interference layer and the second anti-interference layer, the anti-interference performance of the cable can be greatly enhanced, so that electromagnetic interference is effectively prevented, meanwhile, ultraviolet radiation can be prevented through the radiation-proof layer, and the compression-resistant bearing capacity of the cable can be enhanced through the compression-resistant layer, so that the cable is prevented from being damaged, and the safety in use is greatly improved.

(2) According to the utility model, water vapor erosion can be effectively prevented through the drying layer, the moisture-proof effect of the cable is greatly improved, and the anti-static capability of the cable can be greatly enhanced through the matching of the first anti-static layer and the second anti-static layer, so that electrostatic interference is avoided, and the service life of the cable is greatly prolonged.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the composite layer according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. an outer sheath; 2. an inner sheath; 3. compounding layers; 4. a wire core; 5. a first interference rejection layer; 6. an insulating layer; 7. a hauling rope; 8. a pressure resistant layer; 9. a second anti-interference layer; 10. a radiation protective layer; 11. a wear layer; 31. drying the layer; 32. a first antistatic layer; 33. and a second antistatic layer.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a multi-core stranded conductor fireproof cable comprises an outer sheath 1, an inner sheath 2 is installed inside the outer sheath 1, a traction rope 7 is connected in the middle of the inner sheath 2, a wire core 4 is installed on one side, close to the traction rope 7, of the inner sheath 2, a first anti-interference layer 5 is connected to the outer wall of the wire core 4, an insulating layer 6 is fixed on the outer wall of the first anti-interference layer 5, a pressure-resistant layer 8 is installed between the outer sheath 1 and the inner sheath 2, a second anti-interference layer 9 is connected to the inner wall of the outer sheath 1, an anti-radiation layer 10 is installed on the inner wall of the second anti-interference layer 9, the first anti-interference layer 5 and the second anti-interference layer 9 are formed by wrapping and weaving of aluminum-plastic tapes, under the internal and external dual protection of the first anti-interference layer 5 and the second anti-interference layer 9, the anti-interference performance of the cable can be greatly enhanced, the external electromagnetic interference can be effectively prevented, meanwhile, the anti-radiation layer 10 is made of an anti-ultraviolet paint, the anti-compression layer 8 is made of polyester fibers, has excellent high elastic recovery rate, can greatly enhance the anti-compression bearing capacity of the cable, prevents the cable from being damaged, and greatly improves the safety of the cable in use.

Further, install composite bed 3 between resistance to compression layer 8 and the inner sheath 2, composite bed 3 includes dry layer 31, one side of dry layer 31 is connected with first antistatic backing 32, and the opposite side of dry layer 31 is fixed with second antistatic backing 33, dry layer 31 is made by the talcum powder coating, under the protection of dry layer 31, can effectually prevent steam erosion, the dampproofing effect of cable has been improved greatly, and first antistatic backing 32 and second antistatic backing 33 are made by antistatic polycarbonate material, can strengthen the antistatic backing of cable greatly, thereby avoid electrostatic interference, the life of cable has been extended greatly.

Further, the outer wall of the outer sheath 1 is provided with a wear-resistant layer 11, the wear-resistant layer 11 has wear-resistant and skid-proof functions, and the outer wall of the wear-resistant layer 11 is provided with wear-resistant particles.

Specifically, six wire cores 4 are arranged, the six wire cores 4 are distributed in an annular shape by taking the traction rope 7 as a circle, and the tensile property of the cable can be greatly enhanced through the traction rope 7.

Specifically, the flame retardant coating is installed to the inner wall of inner sheath 2, and the flame retardant coating has the fire prevention fire-retardant effect, and the inside packing of inner sheath 2 has waterproof cable cream layer.

Specifically, the first anti-static layer 32 and the second anti-static layer 33 are symmetrically disposed, and the thicknesses of the first anti-static layer 32 and the second anti-static layer 33 are both smaller than the thickness of the drying layer 31.

The working principle and the using process of the utility model are as follows: the utility model discloses a when using, through the inside and outside duplicate protection of first anti-jamming layer 5 and second anti-jamming layer 9, can strengthen the interference killing feature of cable greatly, thereby can effectively prevent external electromagnetic interference, can effectively prevent ultraviolet radiation through radiation protection layer 10 simultaneously, can strengthen the resistance to compression bearing capacity of cable greatly through compressive layer 8, cable damage has been prevented, furthermore, under the protection of dry layer 31, can effectually prevent steam erosion, thereby the dampproofing effect of cable has been improved, and through the cooperation of first antistatic backing 32 and second antistatic backing 33, the antistatic backing of cable can be strengthened, thereby electrostatic interference has been avoided, the life of cable has been extended greatly.

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

Claims

1. A multi-core stranded conductor fireproof cable is characterized in that: including oversheath (1), the internally mounted of oversheath (1) has inner sheath (2), the inside intermediate junction of inner sheath (2) has haulage rope (7), and one side that the inside of inner sheath (2) is close to haulage rope (7) installs sinle silk (4), the outer wall connection of sinle silk (4) has first anti-interference layer (5), the outer wall of first anti-interference layer (5) is fixed with insulating layer (6), install resistance to compression layer (8) between oversheath (1) and inner sheath (2), and the inner wall connection of oversheath (1) has the second to resist interference layer (9), the second is resisted the inner wall of interference layer (9) and is installed radiation protection layer (10).

2. The multi-core stranded conductor fire resistant cable of claim 1, wherein: install composite bed (3) between anti-pressure layer (8) and inner sheath (2), composite bed (3) are including dry layer (31), one side of dry layer (31) is connected with first antistatic backing (32), and the opposite side of dry layer (31) is fixed with second antistatic backing (33).

3. The multi-core stranded conductor fire resistant cable of claim 2, wherein: the outer wall of the outer sheath (1) is provided with a wear-resistant layer (11), and the outer wall of the wear-resistant layer (11) is provided with wear-resistant particles.

4. The multi-core stranded conductor fire resistant cable of claim 3, wherein: six wire cores (4) are arranged, and the six wire cores (4) are circularly distributed in an annular mode by using the traction rope (7).

5. The multi-core stranded conductor fire resistant cable of claim 4, wherein: the flame retardant coating is installed to the inner wall of inner sheath (2), and the inside packing of inner sheath (2) has waterproof cable cream layer.

6. The multi-core stranded conductor fire resistant cable of claim 5, wherein: the first anti-static layer (32) and the second anti-static layer (33) are symmetrically arranged, and the thicknesses of the first anti-static layer (32) and the second anti-static layer (33) are smaller than that of the drying layer (31).