CN104282379A

CN104282379A - Heat bearing transmission control cable

Info

Publication number: CN104282379A
Application number: CN201410577263.9A
Authority: CN
Inventors: 陆勤琼; 庞传云; 夏鸣明
Original assignee: Anhui Telecom Equipment Trading Industry Co Ltd
Current assignee: Anhui Telecom Equipment Trading Industry Co Ltd
Priority date: 2014-10-24
Filing date: 2014-10-24
Publication date: 2015-01-14

Abstract

The invention discloses a heat bearing transmission control cable. A cable core comprises a V-shaped silica gel framework with the section in a V shape, a control cable core is arranged on the inner side of the V-shaped silica gel framework, and main cable cores are arranged on the parts, tightly attached to the two outer side faces of the V-shaped silica gel framework, of the outer side of the V-shaped silica gel framework. The main cable cores comprise silicon gel frameworks with the sections in a quadrangle star shape, main conductors are arranged on the inner sides of the silicon gel frameworks, polymide insulation layers wrap the outer sides of the main conductors, and polyester silk knitted strengthening layers, glass silk fireproof layers and aramid fiber layers wrap the outer sides of the silicon gel frameworks in sequence. The control cable core comprises a plurality of control conductors, foamed plastic insulation layers wrap the outer sides of the control conductors, the control conductors are evenly distributed on the outer side of an elastic pipe, and an aluminum plastic composite thin film shielding layer and a tensile wrapping layer wrap the outer sides of the control conductors in sequence. The heat bearing transmission control cable is simple in structure, convenient to manufacture, capable of being applied in the production mode of conventional cables, good in heat bearing effect, resistant to bending and long in service life.

Description

One holds Heat transmission control cables

Technical field

The present invention relates to field of cable technology, particularly relate to one and hold Heat transmission control cables.

Background technology

The cable of prior art, although heat-blocking action is good, heat-resisting effect is limited, bendability is poor, affects the ampacity that cable normally runs.Under water pouring, vibration environment, fire resistance is not so good, can not, for a long time 800 DEG C and above hot environment work, can not continue to use after particularly catching fire.

The shortcomings such as traditional CABLE MATERIALS also exists heat-resisting quantity difference, and compression set is large, oil resistance difference.

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides one to hold Heat transmission control cables.The advantages such as it is good that cable outer sheath material of the present invention also exists heat-resisting quantity, and oil resistance is good.

The present invention is achieved by the following technical solutions:

One holds Heat transmission control cables, include cable core, described cable core includes the V-shaped silica gel framework that cross section is V-arrangement, control conductor is placed with in the inner side of V-shaped silica gel framework, two the lateral surface places being close to V-shaped silica gel framework in the outside of V-shaped silica gel framework are placed with master core respectively, described master core includes the silica gel framework that cross section is corner star, leading body is placed with in the inner side of silica gel framework, polyimide insulative layer is surrounded by the outside of leading body, dacron thread braiding reinforced layer is coated with successively in the outside of silica gel framework, glass fiber fireprotection layer and aramid layers, described control conductor includes control conductor, foamed plastic insulating barrier is surrounded by outside control conductor, multiple control conductor be distributed on the outside of elastic tube and be coated with plastic-aluminum combined membrane shield layer and tension lapping layer in outside successively, aluminium strip lock armo layer is coated with successively in the outside of described cable core, flame retardant silica gel inner sheath, silica gel thermal insulation layer and oversheath.

Described jacket material is made up of the raw material of following weight portion: neoprene 42-58, halogenated butyl rubber 24-36, ethene-vinyl acetate-carbonyl terpolymer 10-15, zinc oxide 2-3, stannous chloride 1-2, triallylcyanurate 1.5-2.5, di-t-butyl peroxide 2.5-4.5, stearic acid 2-3, terpene resin 5-10, vinyltriethoxysilane 2-3, altax 1-2, age resistor ODA 1.5-2.5, di-n-octyl sebacate 10-15, carbon black N66022-28, butyl epoxy stearate 8-16, molybdenum bisuphide 5-10, silica flour 12-18, modified mineral filler 10-15,

The preparation method of described modification complex mineral filler is as follows: (1) 4-8:3-5:2-3:1 takes barite in mass ratio, olivine, attapulgite, illite mix, pulverize, cross 50-100 mesh sieve, then at 820-880 DEG C of temperature lower calcination 20-30min, continue to be warming up to 1050-1150 DEG C, calcining 2-3h, shrend, dries; (2) get be equivalent to complex mineral filler weight 2-3 absolute ethyl alcohol doubly, 40-50% 4, the compounded mix that glyoxal ethyline and the step (2) of 4'-MDA epoxy resin, 2-4% process mixes, heating water bath is to 120-140 DEG C, 500-1000rpm high-speed stirred 0.5-1h, filter, dry; (3) get 4 third fluorubber, the fluoro polyphosphonitrile rubber of 15-25%, the naphthenic oil of 4-6%, the anti-aging agent RD of 2-3%, the accelerant NOBS of 1-2%, the insoluble sulfur of 1.5-2.5%, the triphenyl phosphate of 10-15% that are equivalent to complex mineral filler weight 35-45% together to drop into double screw extruder after mixing with the complex mineral filler that step (2) processes and carry out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

The preparation method of described jacket material, comprise the following steps: take in neoprene, ethene-vinyl acetate-carbonyl terpolymer, stannous chloride, vinyltriethoxysilane, terpene resin, the mill of molybdenum bisuphide input, mixing 12-18min under roller temperature is 65-75 DEG C of temperature, then dancer rools temperature is to 45-55 DEG C, add the mixing 5-10min of all the other raw materials, park 8-16h, discharging.

Advantage of the present invention is: the construction of cable of the present invention is simple, easy to make, the cable mode of production can apply routinely, be suitable for high efficiency batch production, hold thermal effect good, resist bending, long service life.Cable outer sheath material heat-resisting quantity of the present invention is good, can long-term work at 150-180 DEG C of temperature, and compression set is low, has goodish resistance to lubrication wet goods medium simultaneously.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Embodiment

As shown in Figure 1, one holds Heat transmission control cables, include cable core, described cable core includes the V-shaped silica gel framework 1 that cross section is V-arrangement, control conductor is placed with in the inner side of V-shaped silica gel framework 1, two the lateral surface places being close to V-shaped silica gel framework 1 in the outside of V-shaped silica gel framework 1 are placed with master core respectively, described master core includes the silica gel framework 2 that cross section is corner star, leading body 3 is placed with in the inner side of silica gel framework 2, polyimide insulative layer 4 is surrounded by the outside of leading body 3, dacron thread braiding reinforced layer 5 is coated with successively in the outside of silica gel framework 2, glass fiber fireprotection layer 6 and aramid layers 7, described control conductor includes and controls conductor 8, foamed plastic insulating barrier 9 is surrounded by outside control conductor 8, multiple control conductor 8 be distributed on the outside of elastic tube 10 and be coated with plastic-aluminum combined membrane shield layer 11 and tension lapping layer 12 in outside successively, aluminium strip lock armo layer 13 is coated with successively in the outside of described cable core, flame retardant silica gel inner sheath 14, silica gel thermal insulation layer 15 and oversheath 16.

Described oversheath 16 material is made up of the raw material of following weight portion: neoprene 56, halogenated butyl rubber 32, ethene-vinyl acetate-carbonyl terpolymer 12, zinc oxide 2.5, stannous chloride 1.5, triallylcyanurate 2, di-t-butyl peroxide 3.5, stearic acid 2, terpene resin 8, vinyltriethoxysilane 2.5, altax 1.5, age resistor ODA 2, di-n-octyl sebacate 12, carbon black N66026, butyl epoxy stearate 12, molybdenum bisuphide 8, silica flour 16, modified mineral filler 12,

The preparation method of described modification complex mineral filler is as follows: (1) 6:4:2:1 takes barite in mass ratio, olivine, attapulgite, illite mix, pulverize, cross 80 mesh sieves, then at 860 DEG C of temperature lower calcination 20min, continue to be warming up to 1150 DEG C, calcining 2h, shrend, dries; (2) get and be equivalent to the absolute ethyl alcohol of complex mineral filler weight 2 times, 40% 4,4'-MDA epoxy resin, 2.5% glyoxal ethyline mix with the compounded mix that step (2) processes, heating water bath to 130 DEG C, 500rpm high-speed stirred 1h, filter, dry; (3) get 4 third fluorubber, the fluoro polyphosphonitrile rubber of 20%, naphthenic oil, the anti-aging agent RD of 2.5%, accelerant NOBS, the insoluble sulfur of 2%, the triphenyl phosphate of 12% of 1.5% of 5% that are equivalent to complex mineral filler weight 40% together to drop into double screw extruder after mixing with the complex mineral filler that step (2) processes and carry out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

The preparation method of described oversheath 16 material, comprise the following steps: take in neoprene, ethene-vinyl acetate-carbonyl terpolymer, stannous chloride, vinyltriethoxysilane, terpene resin, the mill of molybdenum bisuphide input, mixing 12-18min under roller temperature is 65-75 DEG C of temperature, then dancer rools temperature is to 45-55 DEG C, add the mixing 5-10min of all the other raw materials, park 8-16h, discharging.

After testing, the results of property of obtained oversheath 16 is as following table:

Claims

1. one kind is held Heat transmission control cables, it is characterized in that: include cable core, described cable core includes the V-shaped silica gel framework that cross section is V-arrangement, control conductor is placed with in the inner side of V-shaped silica gel framework, two the lateral surface places being close to V-shaped silica gel framework in the outside of V-shaped silica gel framework are placed with master core respectively, described master core includes the silica gel framework that cross section is corner star, leading body is placed with in the inner side of silica gel framework, polyimide insulative layer is surrounded by the outside of leading body, dacron thread braiding reinforced layer is coated with successively in the outside of silica gel framework, glass fiber fireprotection layer and aramid layers, described control conductor includes control conductor, foamed plastic insulating barrier is surrounded by outside control conductor, multiple control conductor be distributed on the outside of elastic tube and be coated with plastic-aluminum combined membrane shield layer and tension lapping layer in outside successively, aluminium strip lock armo layer is coated with successively in the outside of described cable core, flame retardant silica gel inner sheath, silica gel thermal insulation layer and oversheath.

2. according to claim 1ly hold Heat transmission control cables, it is characterized in that: described jacket material is made up of the raw material of following weight portion: neoprene 42-58, halogenated butyl rubber 24-36, ethene-vinyl acetate-carbonyl terpolymer 10-15, zinc oxide 2-3, stannous chloride 1-2, triallylcyanurate 1.5-2.5, di-t-butyl peroxide 2.5-4.5, stearic acid 2-3, terpene resin 5-10, vinyltriethoxysilane 2-3, altax 1-2, age resistor ODA 1.5-2.5, di-n-octyl sebacate 10-15, carbon black N660 22-28, butyl epoxy stearate 8-16, molybdenum bisuphide 5-10, silica flour 12-18, modified mineral filler 10-15,

3. according to claim 1ly hold Heat transmission control cables, it is characterized in that: the preparation method of described jacket material, it is characterized in that comprising the following steps: take in neoprene, ethene-vinyl acetate-carbonyl terpolymer, stannous chloride, vinyltriethoxysilane, terpene resin, the mill of molybdenum bisuphide input, mixing 12-18min under roller temperature is 65-75 DEG C of temperature, then dancer rools temperature is to 45-55 DEG C, add the mixing 5-10min of all the other raw materials, park 8-16h, discharging.