CN207742968U

CN207742968U - Coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof

Info

Publication number: CN207742968U
Application number: CN201721767195.8U
Authority: CN
Inventors: 郭松川
Original assignee: Kunming Sanchuan Wire And Cable Co Ltd
Current assignee: Kunming Sanchuan Wire And Cable Co Ltd
Priority date: 2017-12-18
Filing date: 2017-12-18
Publication date: 2018-08-17
Anticipated expiration: 2027-12-18

Abstract

The utility model discloses coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof, including leader cable, branch cable and connector, leader cable is sheathed in connector with branch cable and is connected by connector；Connector includes being wrapped in leader cable with the organic siliconresin coating member on branch cable, the rubber layer set on organic siliconresin coating member outer surface and for water proof fire retardant and set on the TPE external sheath layers of rubber layer outer surface.The utility model using the above structure, has a series of excellent specific properties such as warp resistance, wearability is good, softness is good, tensile property is strong, fatigue resistance, good weatherability, water resistance are good, and excellent electrical properties, service life are grown.

Description

Coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof

Technical field

The utility model is related to electronic wire technical fields, and in particular to the fire-retardant pre- branch's electricity of coal mine, airport special-purpose water-proof Cable.

Background technology

Pre-branched cable is mainly used for the personnel such as heavy construction and venue, standardization workshop, Industrial Stoves, coal mine, airport Intensive place or valuables store place, so the safety and fire resistance property to pre-branched cable propose higher want It asks.Existing pre-branched cable, wrapped mica tape is as flame retardant coating generally outside conductor, but the measure only can guarantee that cable is burning When short-duration power, fire resistance is poor.Since the trunk of pre-branched cable is connected with branch in connector box, not such as connector box sealing Sternly, once intaking or making moist in connector box, the electrical insulation properties in box will be reduced greatly, and short circuit is directly contributed when serious.

Utility model content

The purpose of this utility model is that disclosing coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof, solve existing Pre-branched cable fire resistance is poor, water proofing property difference problem.

In order to achieve the above objectives, the utility model adopts the following technical solution：

Coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof, including leader cable, branch cable and connector, leader cable and Branch cable is sheathed in connector and is connected by connector；Connector includes being wrapped in leader cable and having on branch cable Machine silicones coating member, the rubber layer set on organic siliconresin coating member outer surface and for water proof fire retardant and outside the rubber layer The TPE external sheath layers on surface.

Further, the leader cable includes successively from the inside to the outside 4 first conductor wire cores, is coated on 4 first conductor wires The first band, the first aluminium strip lapped shielding layer outside core and the first oversheath；It is filled between first conductor wire core and the first band It is useful for the first glass fibre of water proof fire retardant.

Further, first conductor wire core includes the twisted conductor constituted of several copper cores, the first polyester from the inside to the outside Imines dope layer, the first anti-corona dope layer and the first low halogen flame-proof PVC sheath layer.

Further, the branch cable includes successively from the inside to the outside 4 second conductor wire cores, is coated on 4 second conductions The second band, the second aluminium strip lapped shielding layer outside core and the second oversheath；It is filled out between second conductor wire core and the second band Filled with the second glass fibre for water proof fire retardant；4 first conductor wire cores and 4 second conductor wire cores one are a pair of It should connect.

Further, second conductor wire core includes copper core, the second polyester-imide dope layer, the second anti-corona from the inside to the outside Dope layer and the second low halogen flame-proof PVC sheath layer.

Further, first oversheath and second oversheath are by irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS is made.

Compared with prior art, the beneficial effects of the utility model：

The utility model uses organic siliconresin coating member, the rubber layer of water proof fire retardant and TPE external sheath layers, has resistance to torsion Song, wearability is good, softness is good, tensile property is strong, fatigue resistance, good weatherability, water resistance are good, excellent electrical properties, A series of excellent specific properties such as service life length.Leader cable and branch cable are using irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin electricity First oversheath and the second oversheath made of cable material, smoke density is low when having burning, and non-corrosive gas effusion does not also generate Harmful hydracid substance, the advantages that being provided simultaneously with fire resistance.Using the first glass fibre and the second glass fibre, have extremely excellent Fire-resistant waterproof performance, anti-ultraviolet aging performance, complete protection is played to cable.First conductor wire core and the second conduction Core uses corona dope layer, and corona-resistance property effect is good, so as to effectively resist the long-term impact of high frequency voltage pulse, improves Service life.And ensure electric conductivity.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, other drawings may also be obtained based on these drawings.

Fig. 1 is the utility model coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof, the cross-section structure signal of embodiment Figure；

Fig. 2 is the cross-sectional view of the first conductor wire core in Fig. 1；

Fig. 3 is the cross-sectional view of the second conductor wire core in Fig. 1.

In figure, 1- leader cables；The first conductor wire cores of 11-；111- conductors；112- the first polyester-imide dope layers；113- Primary antibody corona dope layer；The first low halogen flame-proof PVC sheath layers of 114-；The first bands of 12-；13- the first aluminium strip lapped shielding layers； The first oversheaths of 14-；The first glass fibres of 15-；

2- branch cables；The second conductor wire cores of 21-；211- copper cores；212- the second polyester-imide dope layers；213- second is anti- Corona dope layer；The second low halogen flame-proof PVC sheath layers of 214-；The second bands of 22-；23- the second aluminium strip lapped shielding layers；24- Two oversheaths；The second glass fibres of 25-；

3- connectors；31- organic siliconresin coating members；32- rubber layers；33-TPE external sheath layers.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.

Embodiment coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof as shown in Figure 1 to Figure 3, including leader cable 1, branch Cable 2 and connector 3, leader cable 1 and branch cable 2 are sheathed in connector 3 and are connected by connector 3.

Leader cable 1 includes successively from the inside to the outside 4 first conductor wire cores 11, is coated on outside 4 first conductor wire cores 11 First band 12, the first aluminium strip lapped shielding layer 13 and the first oversheath 14.Between first conductor wire core 11 and the first band 12 Filled with the first glass fibre 15 for water proof fire retardant.First oversheath 14 is by irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS is made.First conductor wire core 11 includes the twisted conductor 111 constituted of several copper cores, the first polyester-imide from the inside to the outside Dope layer 112,113 and first low halogen flame-proof PVC sheath layer 114 of the first anti-corona dope layer.

Branch cable 2 includes successively from the inside to the outside 4 second conductor wire cores 21, is coated on outside 4 second conductor wire cores 21 The second band 22, the second aluminium strip lapped shielding layer 23 and the second oversheath 24.Second conductor wire core 21 and the second band 22 it Between filled with for water proof fire retardant the second glass fibre 25.4 first conductor wire cores 11 and 4 second conductor wire cores 21 are one by one It is correspondingly connected with.Second oversheath 24 is made of irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS.Second conductor wire core 21 It is fire-retardant including copper core 211, the second polyester-imide dope layer 212,213 and second low halogen of the second anti-corona dope layer from the inside to the outside PVC sheath layer 214.Using the first glass fibre 15 and the second glass fibre 25, there is extremely excellent fire-resistant waterproof performance, uvioresistant Line ageing properties play complete protection to cable.First conductor wire core 11 and the second conductor wire core 21 use corona coating Layer, corona-resistance property effect is good, so as to effectively resist the long-term impact of high frequency voltage pulse, improves service life.

First oversheath 14 and the second oversheath 24 are made of irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS, Irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS is made from the following raw materials in parts by weight：40-60 parts of EVA resin, EEA trees 30-50 parts of fat, 10-15 parts of ethylene propylene diene rubber, 5-8 parts of ABS resin, 40-50 parts of trioctyl phosphate, 5-7 parts of epoxidized soybean oil, 7 20-30 parts of hydrate zinc borates, 5-8 parts of molybdenum oxide, 5-8 parts of iron oxide, 0.5-1.0 parts of antioxidant, vinyltriethoxysilane 3- 4 parts, 1-2 parts of stearic acid, 6-9 parts of hypo-aluminum orthophosphate, 1-2 parts of melamine cyanurate, 1-2 parts of yttrium oxide, processing aid ACR 1-3 parts, 8-10 parts of modified filler.Irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS, smoke density is low when having burning, nothing Corrosive gas escapes, the advantages that also not generating harmful hydracid substance, be provided simultaneously with fire resistance.Leader cable 1 and branch's electricity Cable 2 has combustion using the first oversheath and the second oversheath made of irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS Smoke density is low when burning, non-corrosive gas effusion, the advantages that also not generating harmful hydracid substance, be provided simultaneously with fire resistance.

Organic siliconresin coating member 31 that connector 3 is wrapped on leader cable 1 and branch cable 2 is set to organosilicon 31 outer surface of resin coating member and the rubber layer 32 for water proof fire retardant and TPE external sheath layers set on 32 outer surface of rubber layer 33.The present embodiment use water proof fire retardant rubber layer and TPE external sheath layers, have warp resistance, wearability is good, softness is good, Tensile property is strong, fatigue resistance, good weatherability, water resistance are good, a series of excellent spies such as excellent electrical properties, service life length Property.

First aluminium strip lapped shielding layer 13, the second aluminium strip lapped shielding layer 23 and organic siliconresin coating member 31 are by polyethylene Band and aluminium wire netting composition, polyethylene are wound in right-angled intersection mode, are tightened by aluminium wire netting winding in the outside of polyethylene.

The other structures of the present embodiment are referring to the prior art.

The utility model is not limited to the above embodiment, if various changes or modifications to the utility model do not take off Spirit and scope from the utility model, if these modification and variations belong to the claims and equivalents of the utility model Within the scope of, then the utility model is also intended to include these modification and variations.

Claims

1. coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof, it is characterized in that：It is main including leader cable, branch cable and connector Cable is sheathed in connector with branch cable and is connected by connector；Connector is wrapped in leader cable and branch cable On organic siliconresin coating member, set on organic siliconresin coating member outer surface and for water proof fire retardant rubber layer and be set to rubber The TPE external sheath layers of glue-line outer surface.

2. coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof according to claim 1, it is characterised in that：The leader cable From the inside to the outside successively include 4 first conductor wire cores, the first band being coated on outside 4 first conductor wire cores, the first aluminium strip around Packet shielded layer and the first oversheath；Filled with the first glass fibers for water proof fire retardant between first conductor wire core and the first band Dimension.

3. coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof according to claim 2, it is characterised in that：Described first leads Wire core includes the twisted conductor constituted of several copper cores, the first polyester-imide dope layer, the first anti-corona coating from the inside to the outside Layer and the first low halogen flame-proof PVC sheath layer.

4. according to coal mine described in Claims 2 or 3, the fire-retardant pre-branched cable of airport special-purpose water-proof, it is characterised in that：The branch Cable includes 4 second conductor wire cores, the second band being coated on outside 4 second conductor wire cores, the second aluminium successively from the inside to the outside Band lapped shielding layer and the second oversheath；Filled with the second glass for water proof fire retardant between second conductor wire core and the second band Glass fiber；4 first conductor wire cores and 4 second conductor wire cores connect one to one.

5. coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof according to claim 4, it is characterised in that：Described second leads Wire core includes copper core, the second polyester-imide dope layer, the second anti-corona dope layer and the second low halogen flame-proof PVC shield from the inside to the outside Jacket layer.

6. coal mine, the fire-retardant pre-branched cable of airport special-purpose water-proof according to claim 4, it is characterised in that：Outside described first Sheath and second oversheath are made of irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS.