CN210015716U

CN210015716U - Wear-resistant and flame-retardant mining communication cable

Info

Publication number: CN210015716U
Application number: CN201920834893.8U
Authority: CN
Inventors: 孙振; 张成和; 张成兵; 曾玉松
Original assignee: YangZhou Zhongneng Cable Co Ltd
Current assignee: YangZhou Zhongneng Cable Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-04
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a wear-resisting fire-retardant mining communication cable, pack including core and carborundum, the outside fixedly connected with polyvinyl chloride plastic protection shell of core, the outside fixedly connected with EP rubbers protective housing of plastic protection shell, the outside fixedly connected with insulating rubber layer that carborundum packed. The wear-resistant flame-retardant mining communication cable is coated on the outer surface of the core body by adopting the polyvinyl chloride plastic protective shell, so that the core body is prevented from scattering; the ethylene propylene rubber protective shell and the steel belt armor layer I are adopted to primarily protect and isolate the periphery of the core body, so that the core body is not abraded by filler or other protective layers; a second steel belt armor layer is adopted to carry out secondary steel belt flame retardant protection on the device, and an internal core body is doubly protected to prevent combustion; the wear-resistant rubber layer made of hydrogenated nitrile rubber is arranged on the outermost layer and used as the protection of the outermost layer, and the high wear-resistant performance of the hydrogenated nitrile rubber is utilized to prevent the device from being worn and damaged.

Description

Wear-resistant and flame-retardant mining communication cable

Technical Field

The utility model relates to a mining communication cable equipment technical field specifically is a wear-resisting fire-retardant mining communication cable.

Background

The cable is composed of one or more wires for transmitting power from one place to another place, the wires are coated with an insulating protective layer, and the mining communication cable is a solid insulating filling type cable for pipeline laying.

The mine communication cable is easy to generate fire, the fire is mainly caused by overload, short circuit, overlarge contact resistance and the action of an external heat source, so that an insulating material loses insulating capability, even burns, and the fire is generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting fire-retardant mining communication cable to propose the fire-retardant and not strong problem of wear resistance of current mining communication cable in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the wear-resistant and flame-retardant mining communication cable comprises a core body and a silicon carbide filler, wherein the outside of the core body is fixedly connected with a polyvinyl chloride plastic protective shell, the outside of the polyvinyl chloride plastic protective shell is fixedly connected with an ethylene propylene rubber protective shell, and the outside of the silicon carbide filler is fixedly connected with an insulating rubber layer.

Preferably, the core is formed by weaving and winding a plurality of strands of copper wires, and the polyvinyl chloride plastic protective shell covers the core.

Preferably, the first steel tape armor layer is fixedly connected to the outside of the ethylene propylene rubber protective shell, the polyvinyl chloride plastic protective shell and the ethylene propylene rubber protective shell are tightly connected and mutually attached, and the ethylene propylene rubber protective shell and the first steel tape armor layer are mutually attached.

Preferably, an insulating rubber layer is fixedly connected to the outside of the silicon carbide filler, and the silicon carbide filler fills the space between the first steel-tape armor layer and the insulating rubber layer.

Preferably, the outside fixedly connected with steel band armor layer two of insulating rubber layer, the outside fixedly connected with wear-resisting rubber layer of steel band armor layer two, and wear-resisting rubber layer specifically is hydrogenated nitrile butadiene rubber HNBR.

Preferably, the outer part of the wear-resistant rubber layer is fixedly connected with a flame-retardant layer, and the flame-retardant layer is an epoxy resin coating.

Compared with the prior art, the beneficial effects of the utility model are that: the wear-resistant flame-retardant mining communication cable is coated on the outer surface of the core body by adopting the polyvinyl chloride plastic protective shell, so that the core body is prevented from scattering; the ethylene propylene rubber protective shell and the steel belt armor layer I are adopted to primarily protect and isolate the periphery of the core body, so that the core body is not abraded by filler or other protective layers; a second steel belt armor layer is adopted to carry out secondary steel belt flame retardant protection on the device, and an internal core body is doubly protected to prevent combustion; the wear-resistant rubber layer made of hydrogenated nitrile rubber is arranged on the outermost layer and used as the protection of the outermost layer, and the high wear-resistant performance of the hydrogenated nitrile rubber is utilized to prevent the device from being worn and damaged; the device protects the core through multilayer wear-resisting material and multilayer fire-retardant material for this cable has high wear-resisting fire behaviour.

Drawings

Fig. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is the schematic diagram of the core body profile structure of the present invention.

In the figure: 1. a core body; 2. a polyvinyl chloride plastic protective shell; 3. an ethylene propylene rubber protective shell; 4. a first steel tape armor layer; 5. a silicon carbide filler; 6. an insulating rubber layer; 7. a second steel tape armor layer; 8. a wear-resistant rubber layer; 9. a flame retardant layer.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a wear-resisting fire-retardant mining communication cable, includes core 1 and carborundum filler 5, the outside fixedly connected with polyvinyl chloride plastic protection shell 2 of core 1, the outside fixedly connected with ethylene propylene rubber protective housing 3 of polyvinyl chloride plastic protection shell 2, the outside fixedly connected with insulating rubber layer 6 of carborundum filler 5.

Further, core 1 is woven by the stranded copper line and is twined and form, and polyvinyl chloride plastic protective housing 2 cladding core 1 is favorable to letting polyvinyl chloride plastic protective housing 2 cladding core 1, prevents that core 1 from scattering.

Further, the outside fixedly connected with steel band armor of EP rubbers protective housing 3 is 4, and zonulae occludens between PVC plastics protective housing 2 and the EP rubbers protective housing 3, laminate each other between EP rubbers protective housing 3 and the steel band armor 4, be favorable to letting PVC plastics protective housing 2, EP rubbers protective housing 3, closely laminate between steel band armor 4, let EP rubbers protective housing 3 provide the buffering to core 1 simultaneously, prevent that external force from strikeing and damaging core 1, utilize the fire resistance of steel band, let steel band armor 4 provide fire-retardant protection to core 1.

Further, the outside fixedly connected with insulating rubber layer 6 of carborundum filler 5, and carborundum filler 5 is filled up between steel band armor 4 and insulating rubber layer 6, is favorable to letting steel band armor 4 complete cladding in carborundum filler 5, utilizes carborundum filler 5's wear resistance, prevents the wearing and tearing of carborundum filler 5 inner part.

Further, the outside fixedly connected with steel band armor two 7 on insulating rubber layer 6, the outside fixedly connected with wear-resisting rubber layer 8 of steel band armor two 7, and wear-resisting rubber layer 8 specifically is hydrogenated nitrile butadiene rubber HNBR, the wearability that is favorable to utilizing hydrogenated nitrile butadiene rubber prevents external force wearing and tearing wear-resisting rubber layer 8, and then wears to the component in wear-resisting rubber layer 8, and the steel band material of steel band armor two 7 is fire-retardant material simultaneously, can play flame retardant efficiency.

Furthermore, the outer portion of the wear-resistant rubber layer 8 is fixedly connected with a flame-retardant layer 9, the flame-retardant layer 9 is an epoxy resin coating, and the flame-retardant layer 9 is favorable for providing a first flame-retardant effect for the whole cable.

The working principle is as follows: firstly, the wear-resistant rubber layer 8 and the flame-retardant layer 9 play a first wear-resistant and flame-retardant function for the whole device, so that the flame-retardant layer 9 performs first flame-retardant function for the device, the wear-resistant rubber layer 8 plays a first wear-resistant buffering role for the device, then the steel-tape armor layer two 7 coated in the wear-resistant rubber layer 8 plays a second flame-retardant role for the device, and simultaneously, the core body 1 can also play a certain anti-collision role due to the hardness of the material of the steel-tape armor layer two 7, the silicon carbide filler 5 and the steel-tape armor layer two 7 are isolated by the insulating rubber layer 6, so that a firm wear-resistant layer is added between the silicon carbide filler 5 and the steel-tape armor layer two 7, the large-area coated protective core body 1 is protected, the innermost polyvinyl chloride plastic protective shell 2, the ethylene propylene rubber protective shell 3 and the steel-tape armor layer one 4 provide isolation protection for the core, and protective layers such as an external silicon carbide filler 5, an insulating rubber layer 6, a second steel strip armor layer 7, a wear-resistant rubber layer 8 and the like are also isolated.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a mining communication cable of wear-resisting fire-retardant, includes core (1) and carborundum filler (5), its characterized in that: the outer fixed connection of core (1) has polyvinyl chloride plastics protective housing (2), the outer fixed connection of polyvinyl chloride plastics protective housing (2) has ethylene propylene rubber protective housing (3), the outer fixed connection of carborundum filler (5) has insulating rubber layer (6).

2. The wear-resistant flame-retardant mining communication cable according to claim 1, characterized in that: the core body (1) is formed by weaving and winding a plurality of strands of copper wires, and the core body (1) is coated by the polyvinyl chloride plastic protective shell (2).

3. The wear-resistant flame-retardant mining communication cable according to claim 1, characterized in that: the outer portion of the ethylene propylene rubber protective shell (3) is fixedly connected with a first steel tape armor layer (4), the polyvinyl chloride plastic protective shell (2) and the ethylene propylene rubber protective shell (3) are tightly connected and mutually attached, and the ethylene propylene rubber protective shell (3) and the first steel tape armor layer (4) are mutually attached.

4. The wear-resistant flame-retardant mining communication cable according to claim 3, characterized in that: and the outside of the silicon carbide filler (5) is fixedly connected with an insulating rubber layer (6), and the silicon carbide filler (5) fills the space between the first steel tape armor layer (4) and the insulating rubber layer (6).

5. The wear-resistant flame-retardant mining communication cable according to claim 1, characterized in that: the outer fixedly connected with steel tape armor layer two (7) of insulating rubber layer (6), the outer fixedly connected with wear-resisting rubber layer (8) of steel tape armor layer two (7), and wear-resisting rubber layer (8) specifically are Hydrogenated Nitrile Butadiene Rubber (HNBR).

6. The wear-resistant flame-retardant mining communication cable according to claim 5, characterized in that: the outer part of the wear-resistant rubber layer (8) is fixedly connected with a flame-retardant layer (9), and the flame-retardant layer (9) is an epoxy resin coating.