CN104021848A

CN104021848A - Torsional tensile transmission control cable

Info

Publication number: CN104021848A
Application number: CN201410195578.7A
Authority: CN
Inventors: 骆垠旭; 瞿庆广; 查德昌
Original assignee: Anhui Aics Technology Group Co Ltd
Current assignee: Anhui Aics Technology Group Co Ltd
Priority date: 2014-05-09
Filing date: 2014-05-09
Publication date: 2014-09-03

Abstract

The invention discloses a torsional tensile transmission control cable which comprises a main conductor and control conductors. The outer side of the main conductor is sequentially wrapped by an elastic polyurethane layer, a plastic film and an inner sheath. A plurality of convex edges are arranged on the outer side of the inner sheath, and pairwise twisted steel wire ropes are arranged at the positions, corresponding to the convex edges, in the inner sheath respectively. The outer side of each control conductor is sequentially wrapped by a polypropylene insulating layer and a silver-plated alloy wire braided shielding layer, the outer sides of every two bunch-stranded control conductors are wrapped with a tensile belt to form a control cable core, the control cable cores are distributed on the outer side of the main conductor, the outer sides of the control cable cores and the main conductor are sequentially wrapped by a waterproof canvas lapping layer, an aluminum-plastic composite film shielding layer and an outer sheath, and each control cable core is located between every two adjacent convex edges. According to the torsional tensile transmission control cable, the pairwise twisted steel wire ropes are arranged at the positions, corresponding to the convex edges, in the inner sheath respectively, therefore, the structure is simple, operation is reliable, the flexibility of the conductors is good, the insulation effect is good, and the tensile performance of the cable is enhanced.

Description

A kind of antitorque tension transmission control cables

Technical field

The present invention relates to cable technology field, relate in particular to a kind of antitorque tension transmission control cables.

Background technology

Some cables that are used in specific environment need the characteristics such as cable core is soft, resistance to twisting property is strong, tension, to prevent that cable from use rupturing, affect work, cause a large amount of wastings of resources.

Traditional rubber cable protective cover material poor heat resistance, at high temperature easily heat ageing and thermal deformation, and flame retardant effect weak effect, meets fiery easy firing,, when burning, can discharge toxic and harmful and the amount of being fuming is large, affect environmental and human health impacts.

Summary of the invention

The object of the invention is exactly in order to make up the defect of prior art, and a kind of antitorque tension transmission control cables is provided.This cable jacket material has excellent heat-resistant deforming, heat-proof aging and fire resistance.

The present invention is achieved by the following technical solutions:

A kind of antitorque tension transmission control cables, include leading body and control conductor, in described leading body outside, be coated with successively elastic polyurethane layer, plastic film and inner sheath, outside in described inner sheath outside is provided with a plurality of protruding stupefied, in inner corresponding each the protruding stupefied position of inner sheath, be respectively equipped with pair twist steel wire rope, in the outside of described control conductor, be coated with successively polypropylene insulation layer and silver-plated B alloy wire woven shield, outside after two control conductor bundle strands is surrounded by tension band and forms control core, a plurality of control cores are distributed in the outside of leading body and in outside, are coated with successively Tarpauling lapping layer, plastic-aluminum combined membrane shield layer and oversheath, each control core adjacent two protruding stupefied between.

Jacket material is made by the raw material of following weight portion: acrylate rubber 40-60, perfluoroelastomers 20-40, poly(4-methyl-1-pentene) 10-15, flake asbestos 15-20, aromatic naphtha 12-18, peroxidized t-butyl perbenzoate 2.5-3.5, sericite-tridymite-cristobalite 10-15, precipitated silica 18-24, graphite powder 8-14, antioxidant 4010NA 2-3, N-phenylmaleimide 3-4, 2-hydroxyl imidazoline 1-2, zinc oxide 2-3, nano-aluminum hydroxide 10-15, Firebrake ZB 5-10, triethyl phosphate 7-13, modified mineral filler 16-22,

The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 4-8:3-5:2-3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 820-880 ℃ of temperature lower calcination 20-30min, continue to be warming up to 1050-1150 ℃, calcining 2-3h, shrend, dries; (2) get and be equivalent to 4 of absolute ethyl alcohol doubly of complex mineral filler weight 2-3,40-50%, the glyoxal ethyline of 4'-MDA epoxy resin, 2-4% mixes with the compounded mix that step (2) is processed, heating water bath is to 120-140 ℃, 500-1000rpm high-speed stirred 0.5-1h, filter, dry; (3) get be equivalent to the methyl vinyl silicone rubber of complex mineral filler weight 40-50%, the ethylene-methyl acrylate copolymer of the chlorosulfonated polyethylene rubber of 10-15%, 5-10%, the dipropylene glycol dibenzoate of accelerant N A-22,4-8% of the cumyl peroxide of 2-3%, 1-2% carries out melt blending, the complex mineral filler that the encapsulated red phosphorus of 3-6% and step (2) are processed together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

Jacket material preparation method of the present invention, comprise the following steps: take in acrylate rubber, perfluoroelastomers, flake asbestos, 2-hydroxyl imidazoline, aromatic naphtha, triethyl phosphate, the mill of N-phenylmaleimide input, in roller temperature, be mixing 8-12min at 75-85 ℃ of temperature, then dancer rools temperature is to 50-60 ℃, add the mixing 12-16min of all the other raw materials, park 6-12h, discharging.

Advantage of the present invention is: the present invention is coated with elastic polyurethane layer, plastic film and inner sheath successively in described leading body outside, in inner corresponding each the protruding stupefied position of inner sheath, be respectively equipped with pair twist steel wire rope, simple in structure, reliable operation, the flexibility of conductor is good, insulation effect is good, has increased the pull resistance of cable.Cable jacket material of the present invention has excellent heat-resistant deforming, heat aging property, can long-term work at 120-150 ℃ of temperature, and fire resistance is good, and oxygen index is high, and the amount of being fuming is low, and halogen-free environmental fire-retardantly reaches UL1581VW-1 requirement.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Embodiment

As shown in Figure 1, a kind of antitorque tension transmission control cables, include leading body 1 and control conductor 2, in described leading body 1 outside, be coated with successively elastic polyurethane layer 3, plastic film 4 and inner sheath 5, in the outside in described inner sheath 5 outsides, be provided with a plurality of protruding stupefied 6, in inner corresponding each protruding stupefied 6 the position of inner sheath 5, be respectively equipped with pair twist steel wire rope 7, in the outside of described control conductor 2, be coated with successively polypropylene insulation layer 8 and silver-plated B alloy wire woven shield 9, outside after two control conductors, 2 bundle strands is surrounded by tension band 10 formations and controls core, a plurality of control cores are distributed in the outside of leading body 1 and in outside, are coated with successively Tarpauling lapping layer 11, plastic-aluminum combined membrane shield layer 12 and oversheath 13, each controls core between adjacent two protruding stupefied 6.

Oversheath 13 materials are made by the raw material of following weight portion: acrylate rubber 50, perfluoroelastomers 35, poly(4-methyl-1-pentene) 15, flake asbestos 18, aromatic naphtha 16, peroxidized t-butyl perbenzoate 3, sericite-tridymite-cristobalite 12, precipitated silica 22, graphite powder 12, antioxidant 4010NA 2.5, N-phenylmaleimide 3,2-hydroxyl imidazoline 1.5, zinc oxide 2.5, nano-aluminum hydroxide 10, Firebrake ZB 10, triethyl phosphate 11, modified mineral filler 18;

The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 8:5:3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 880 ℃ of temperature lower calcination 20min, continue to be warming up to 1150 ℃, calcining 2h, shrend, dries; (2) get be equivalent to 2 times of complex mineral filler weight absolute ethyl alcohol, 40% 4,4'-MDA epoxy resin, 3% glyoxal ethyline mix with the compounded mix that step (2) is processed, heating water bath to 120 ℃, 1000rpm high-speed stirred 0.5h, filter, dry; (3) get be equivalent to methyl vinyl silicone rubber, 10% chlorosulfonated polyethylene rubber, 10% ethylene-methyl acrylate copolymer, 2.5% cumyl peroxide, 1.5% accelerant N A-22,6% the dipropylene glycol dibenzoate of complex mineral filler weight 45%, complex mineral filler that 4% encapsulated red phosphorus is processed with step (2) together drops into double screw extruder after mixing and carries out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

The preparation method of oversheath 13 materials, comprise the following steps: take in acrylate rubber, perfluoroelastomers, flake asbestos, 2-hydroxyl imidazoline, aromatic naphtha, triethyl phosphate, the mill of N-phenylmaleimide input, in roller temperature, be mixing 8-12min at 75-85 ℃ of temperature, then dancer rools temperature is to 50-60 ℃, add the mixing 12-16min of all the other raw materials, park 6-12h, discharging.

The results of property of the oversheath 13 making after testing, is as following table:

Claims

1. an antitorque tension is transmitted control cables, it is characterized in that: include leading body and control conductor, in described leading body outside, be coated with successively elastic polyurethane layer, plastic film and inner sheath, outside in described inner sheath outside is provided with a plurality of protruding stupefied, in inner corresponding each the protruding stupefied position of inner sheath, be respectively equipped with pair twist steel wire rope, in the outside of described control conductor, be coated with successively polypropylene insulation layer and silver-plated B alloy wire woven shield, outside after two control conductor bundle strands is surrounded by tension band and forms control core, a plurality of control cores are distributed in the outside of leading body and in outside, are coated with successively Tarpauling lapping layer, plastic-aluminum combined membrane shield layer and oversheath, each control core adjacent two protruding stupefied between.

2. antitorque tension according to claim 1 is transmitted control cables, it is characterized in that: described jacket material is made by the raw material of following weight portion: acrylate rubber 40-60, perfluoroelastomers 20-40, poly(4-methyl-1-pentene) 10-15, flake asbestos 15-20, aromatic naphtha 12-18, peroxidized t-butyl perbenzoate 2.5-3.5, sericite-tridymite-cristobalite 10-15, precipitated silica 18-24, graphite powder 8-14, antioxidant 4010NA 2-3, N-phenylmaleimide 3-4, 2-hydroxyl imidazoline 1-2, zinc oxide 2-3, nano-aluminum hydroxide 10-15, Firebrake ZB 5-10, triethyl phosphate 7-13, modified mineral filler 16-22,

3. antitorque tension according to claim 1 is transmitted 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 acrylate rubber, perfluoroelastomers, flake asbestos, 2-hydroxyl imidazoline, aromatic naphtha, triethyl phosphate, the mill of N-phenylmaleimide input, in roller temperature, be mixing 8-12min at 75-85 ℃ of temperature, then dancer rools temperature is to 50-60 ℃, add the mixing 12-16min of all the other raw materials, park 6-12h, discharging.