CN203118664U

CN203118664U - Lightweight video signal cable used for mine conveying machinery

Info

Publication number: CN203118664U
Application number: CN 201320018376
Authority: CN
Inventors: 后继好; 李小牛; 杨成
Original assignee: ANHUI RUIZHIXING CABLE GROUP Co Ltd
Current assignee: ANHUI RUIZHIXING CABLE GROUP Co Ltd
Priority date: 2013-01-15
Filing date: 2013-01-15
Publication date: 2013-08-07
Anticipated expiration: 2023-01-15

Abstract

The utility model discloses a lightweight video signal cable used for mine conveying machinery. The lightweight video signal cable comprises a plurality of conductor groups. The plurality of conductor groups are respectively formed by twisting the plurality of conductors. EP rubber insulating layers respectively wrap outside the plurality of conductor groups to form insulating wire cores. The insulating wire cores are twisted with each other to form a cable core, with an elastic rope which is extruded by an elastic material as a center. The center of the elastic rope is provided with a strengthening core formed by a pair of twisted phosphatized steel wires. An expanded plastic layer and a composite protective layer wrap outside the cable core in sequence. An outer sheath layer wraps outside the composite protective layer. Video lines and preformed holes are distributed along a ring at interval in the outer sheath layer. The cable is provided with the strengthening core in the center of the cable core. The design of the expanded plastic layer and the preformed holes reduces weight of the cable. In addition, the cable has a function of transmitting video signals and satisfies practical work requirements.

Description

A kind of mine conveying machinery lightweight vision signal cable

Technical field:

This practicality relates to the mining cable field, relates in particular to a kind of mine conveying machinery lightweight vision signal cable.

Background technology:

It is for mine scraper or the supporting power consumption cable of similar devices that the rubber insulation mining is carried with mechanical cable, needs frequent mobilely during use, so to crooked, wear-resisting, punching press with reverse, especially tensile property is had higher requirement.With regard to the mining cable product, along with the raising day by day of mining machinery producing capacity and place capacity, the scraper that adopts cable directly to power has obtained a large amount of selecting for use, and therefore, the consumption of the rubber insulation mining cable of the type is also increasing.

Because the operational environment of mining machinery cable is extremely abominable, when the unwrapping wire that the mining conveying machinery is in operation or take-up, cable will be subjected to friction even the obstruction of ore, thereby make cable frequently be subjected to severe friction, punching press and big intensity pulling force at work and reverse, in addition, the weight of cable is bigger, function singleness, the laying installation difficulty, the cycle of scrapping is very short, needs to change continually.

Practical content:

In order to remedy the deficiencies in the prior art, this practical purpose provides a kind of mine conveying machinery lightweight vision signal cable, reasonable in design, and the whole cable tensile property promotes, and function is complete, and weight is lighter, is convenient to lay.

This practicality technical scheme as follows:

Mine conveying machinery lightweight vision signal cable; comprise several conductor groups; it is characterized in that: described several conductor groups are made of the many mutual stranded bunchys of conductor respectively; described several conductor groups are enclosed with ethylene propylene rubber insulated layer outward respectively and constitute insulated wire cores; insulated wire cores mutual stranded bunchy centered by the elastic threads of elastomeric material extrusion moulding constitutes cable core; the elastic threads center is provided with the strengthening core that two phosphatization steel wire pair twists constitute; described cable core is enclosed with the foamed plastic layer outward successively; composite protection layer; described composite protection layer adopts the wrapped formation internal layer of high-strength nylon band and ribbon spiral to twine the formation skin; the composite protection layer outside is enclosed with external sheath layer, is distributed with video line and the preformed hole that is coated with silicone rubber insulation layer along annular space in the external sheath layer.

Conveying machinery lightweight vision signal cable in described mine is characterized in that: the skin of described composite protection layer adopts the steel band Duplication to be not less than 35%.

This practical advantage is:

Of the present utility model simple in structure, be provided with not easy fracture of strengthening core at the cable core center; The design of foamed plastic layer and preformed hole has reduced cable weight, the composite jacket layer further improves cable under the environment that frequently is subjected to severe friction, punching press and big intensity pulling force and reverses, in addition, cable has the video signal transmission function, satisfies the actual working environment demand.

Description of drawings:

Fig. 1 is this practical structural representation.

Embodiment:

Referring to Fig. 1:

Mine conveying machinery lightweight vision signal cable; comprise several conductor groups; several conductor groups are made of many conductors 1 mutual stranded bunchy respectively; several conductor groups are enclosed with ethylene propylene rubber insulated layer 2 outward respectively and constitute insulated wire cores; insulated wire cores mutual stranded bunchy centered by the elastic threads 3 of elastomeric material extrusion moulding constitutes cable core; elastic threads 3 centers are provided with the strengthening core 4 that two phosphatization steel wire pair twists constitute; cable core is enclosed with foamed plastic layer 5 outward successively; composite protection layer; composite protection layer adopts the wrapped formation internal layer 6 of high-strength nylon band and ribbon spiral to twine formation outer 7; the composite protection layer outside is enclosed with external sheath layer 8, is distributed with video line 10 and the preformed hole 11 that is coated with silicone rubber insulation layer 9 along annular space in the external sheath layer.

The skin 7 of composite protection layer adopts the steel band Duplication to be not less than 35%.

Claims

1. a mine conveying machinery is with lightweight vision signal cable; comprise several conductor groups; it is characterized in that: described several conductor groups are made of the many mutual stranded bunchys of conductor respectively; described several conductor groups are enclosed with ethylene propylene rubber insulated layer outward respectively and constitute insulated wire cores; insulated wire cores mutual stranded bunchy centered by the elastic threads of elastomeric material extrusion moulding constitutes cable core; the elastic threads center is provided with the strengthening core that two phosphatization steel wire pair twists constitute; described cable core is enclosed with the foamed plastic layer outward successively; composite protection layer; described composite protection layer adopts the wrapped formation internal layer of high-strength nylon band and ribbon spiral to twine the formation skin; the composite protection layer outside is enclosed with external sheath layer, is distributed with video line and the preformed hole that is coated with silicone rubber insulation layer along annular space in the external sheath layer.

2. mine according to claim 1 conveying machinery is with lightweight vision signal cable, and it is characterized in that: the skin of described composite protection layer adopts the steel band Duplication to be not less than 35%.