CN201689718U

CN201689718U - Water-blocking stain-resisting rubber sleeve cable

Info

Publication number: CN201689718U
Application number: CN201020163059XU
Authority: CN
Inventors: 袁宗民; 储学琴; 邹玉平; 蒋建群; 蒋建强
Original assignee: WUXI HENGHUI CABLE CO Ltd
Current assignee: WUXI HENGHUI CABLE CO Ltd
Priority date: 2010-04-20
Filing date: 2010-04-20
Publication date: 2010-12-29
Anticipated expiration: 2020-04-20

Abstract

The utility model discloses a water-blocking stain-resisting rubber sleeve cable. The cable comprises an inner core. The outer surface of the inner core is coated with an inner jacket. The outside of the inner jacket is longitudinally coated with an embossed aluminium-plastic composite belt. The outside of the embossed aluminium-plastic composite belt is coated with an outer jacket. The inner core comprises an inner conductor. The outer surface of the inner conductor is provided with an insulating layer. A first water-blocking belt is wound outside of the insulating layer. The water-blocking stain-resisting rubber sleeve cable has the advantages of good insulating property and mechanical property of the cable, high elasticity, small compression deformation, over 60 percent of rebound rate, oil stain resistance, solvent resistance, no secondary combustion, good weather resistance, cold resistance and thermal ageing resistance, reasonable structure, bending property and longitudinal water-blocking property.

Description

A kind of waterproof stain-resistant rubber sheathed cable

Technical field

The utility model relates to a kind of cable, the waterproof stain-resistant rubber sheathed cable that specifically is a kind of use in the greasy dirt of industry, agricultural, commerce, building etc., water logging, strong corrosive environment.

Background technology

When cable used in the environment of the greasy dirt of industry, agricultural, commerce, building etc., water logging, deep-etching, it not only was subjected to the immersion of water, but also is subjected to the erosion of greasy dirt, strong corrosive material.Existing technical matters is to adopt natural butadiene-styrene rubber to make insulation and sheath, during stranding, and wrapped waterstop.Natural rubber is an apolar substance, very easily dissolving in greasy dirt, the butadiene-styrene rubber insulation property are poor, the physical property instability varies with temperature and bigger variation is arranged, so its radially block water, the dirty poor performance of oil resistant; Not vertical bag embossing aluminium-plastic tape in the structure of prior art processes, it does not possess vertical water resistance.

There is following problem in the tradition resistant cable production technology process that blocks water: 1) poor performance of material own causes insulation property, bad mechanical property; 2) insulation and sheath poor flexibility, compression is big, and intensity is low; 3) the dirty poor performance of oil resistant; 4) weatherability, heat-proof aging, cold resistance is poor; 5) inflammable, flame-retarding power is good; 6) unreasonable structure, radially block-water performance is poor, does not possess vertical block-water performance.

The utility model content

Goal of the invention: the purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of waterproof stain-resistant rubber sheathed cable rational in infrastructure is provided, this waterproof stain-resistant rubber sheathed cable possesses very good insulation property, mechanical performance is arranged, and good stability, oil resistant dirt, anti-solvent, weather, cold-resistant, heat-proof aging, do not prolong combustion, can radially block water and can vertically block water; Can be applicable in the environment of greasy dirt, water logging, deep-etching of industry, agricultural, commerce, building etc.

Technical scheme: in order to solve the problems of the technologies described above, a kind of waterproof stain-resistant rubber sheathed cable described in the utility model, comprise inner core, on the outer surface of inner core, be coated with inner sheath, vertically in the outside of inner sheath be surrounded by the embossing aluminium-plastic tape, on the outer surface of embossing aluminium-plastic tape, be coated with oversheath; Described inner core comprises inner wire, is provided with insulating barrier on the outer surface of inner wire, is surrounded with first band that blocks water in the outside of insulating barrier.

Described insulating barrier is the ethylene-propylene rubber layer.

Described inner sheath and oversheath are made by neoprene.

Described inner core has one.

Described inner core is the inner core that a plurality of nominal area of section equate.

Described inner core has a plurality of, wherein has the nominal area of section of the nominal area of section of an inner core less than other inner cores at least.

Also comprise second band that blocks water, a plurality of inner cores tightened together by second band that blocks water, and between each inner core, second the block water band and give between the inner core and be filled with water baffle bar.

Conductor adopts electrolysis soft copper silk in the utility model, and ethylene-propylene rubber is adopted in insulation, fills and adopts the packing that blocks water, the wrapped employing twining package tape that blocks water, and inner sheath adopts neoprene, vertical bag embossing aluminium-plastic tape, and oversheath adopts neoprene.The insulating material of high-quality and sheath material make it not only possess good insulation performance performance, mechanical performance, good stability, and the oil resistant dirt, anti-solvent, weather, cold-resistant, heat-proof aging also possess good radially block-water performance; Vertical bag embossing aluminium-plastic tape makes it possess vertical block-water performance.

Beneficial effect: compared with prior art, the utility model has the advantages that the insulation property of (1) cable, mechanical performance are very good; (2) elasticity is big, and compression is little, and rebound degree reaches more than 60%; (3) neoprene is a polar substances, the oil resistant dirt, and anti-solvent, and do not prolong combustion; (4) ethylene-propylene rubber is saturated structures, and its weather, cold resistance, heat-resistant aging are very good; (5) the neoprene air impermeability is good, good stability, and radially block-water performance is superior; (6) reasonable in design, vertical bag embossing is plastic-aluminum combined, neither influences bending property, possesses vertical block-water performance again; (7) elasticity, flexibility, bendability, resistance to compression, tension, resistance to wear are very good, are beneficial to use at various complex environments.

Description of drawings

Fig. 1 has the structural representation of an inner core for waterproof stain-resistant rubber sheathed cable in the utility model;

Fig. 2 is the structural representation of the medium core waterproof stain-resistant rubber sheathed cable of the utility model;

Fig. 3 is the structural representation that the inner core nominal cross of waterproof stain-resistant rubber sheathed cable in the utility model does not wait.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Waterproof stain-resistant rubber sheathed cable shown in Figure 1, comprise an inner core, on the outer surface of inner core, be coated with neoprene inner sheath 4, indulge being surrounded by embossing aluminium-plastic tape 5 in the outside of neoprene inner sheath 4, on the outer surface of embossing aluminium-plastic tape 5, be coated with neoprene oversheath 6; Described inner core comprises inner wire 1, is provided with ethylene propylene rubber insulated layer 2 on the outer surface of inner wire 1, is surrounded with first band 3 that blocks water in the outside of insulating barrier 2, and described inner wire 1 carries out multiple strand again by many electrolysis soft copper silks elder generation synnemas and makes.

Waterproof stain-resistant rubber sheathed cable shown in Figure 2, comprise a plurality of inner cores and second band 7 that blocks water, by second band that blocks water a plurality of inner cores are tightened together, and between each inner core, second the block water band 7 and give between the inner core and be filled with water baffle bar 8, block water second and to be coated with neoprene inner sheath 4 on the outer surface of band 7, vertically in the outside of neoprene inner sheath 4 be surrounded by embossing aluminium-plastic tape 5, on the outer surface of embossing aluminium-plastic tape 5, be coated with neoprene oversheath 6; Described inner core comprises inner wire, is provided with ethylene propylene rubber insulated layer on the outer surface of inner wire, is surrounded with first band 3 that blocks water in the outside of insulating barrier, and described inner wire 1 carries out multiple strand again by many electrolysis soft copper silks elder generation synnemas and makes.

Waterproof stain-resistant rubber sheathed cable shown in Figure 3, its structure and shown in Figure 2 basic identical, the little inner core of half that the circular inner core that different is inner core is equated by many nominal cross areas and at least one nominal cross area are circular inner core is formed.

The utility model is that a kind of waterproof stain-resistant rubber sheathed cable (ZSW-ERX64-0.6/1KV) employing is ethylene propylene rubber insulated, neoprene sheath, and vertical bag embossing aluminium-plastic tape, and filling, wrapped material adopt material water-proof material.It uses in the environment of greasy dirt in industry, agricultural, commerce, building etc., water logging, deep-etching, has very good insulation property, mechanical performance, and good stability, the oil resistant dirt, anti-solvent, does not prolong combustion at weather, cold-resistant, heat-proof aging, can radially block water and can vertically hinder.

A kind of manufacture method of waterproof stain-resistant rubber sheathed cable, this method comprises the steps:

1) the copper bar is made inner wire through wire drawing, annealing, bundle strand, multiple strand successively according to designing requirement;

2) insulate in the outside of inner wire and extrude, on the outer surface of insulation wrapped first block water band inner core;

When 3) inner core is one, directly extrude inner sheath, at the outside of inner sheath vertical bag embossing aluminium-plastic tape, extrude oversheath in the outside of embossing aluminium-plastic tape at last and promptly get described waterproof stain-resistant rubber sheathed cable then in first outside that blocks water band;

When inner core is a plurality of, by second band that blocks water a plurality of inner cores are tightened, and then extrude inner sheath in second outside that blocks water band, at the outside of inner sheath vertical bag embossing aluminium-plastic tape, extrude oversheath in the outside of embossing aluminium-plastic tape at last and promptly get described waterproof stain-resistant rubber sheathed cable then.

Elaborate the manufacture method of a kind of waterproof stain-resistant rubber sheathed cable described in the utility model below by a specific embodiment.

Embodiment: making specification is that (3 * 50+1 * 3 circular inner cores of 25 expressions, the nominal cross area of each circular inner core is 50mm in ZSW-ERX64-0.6/1KV 3 * 50+1 * 25 ², 1 nominal cross area is 25mm ²Circular inner core) the method for waterproof stain-resistant rubber sheathed cable, concrete steps are as follows:

1) wire drawing: buying Φ 8.0mm cathode copper bar, by the wire drawing of Φ 8.0mm cathode copper bar to Φ 0.30mm copper wire;

2) stranded: 50mm ²Inner wire adopt the lay configuration of 10/70/0.30mm, i.e. the synnema of 70 0.30mm, 10 strands, the multiple strand of per share 70 0.30mm; 25mm ²Inner wire adopt the lay configuration of 10/35/0.30mm, i.e. the synnema of 35 0.30mm, 10 strands, the multiple strand of per share 35 0.30mm, resistance meets national standard: the requirement of GB/T3956-2008;

3) extrude ethylene propylene rubber insulatedly, adopt extrusion die, 50mm ²The insulation thickness of inner wire is 1.6mm, 25mm ²The insulation thickness of inner wire is 1.4mm;

4) make inner core: at above-mentioned each 50mm ²The insulated outer surface of inner wire and 25mm ²The outer surface of inner wire insulation is surrounded with first band that blocks water respectively and promptly makes 3 50mm ²Inner core and 1 25mm ²Inner core;

5) stranding: with above-mentioned 3 50mm ²Inner core and 1 25mm ²Inner core dextrad stranding, left-hand wrapped second band that blocks water lifts the filling water baffle bar;

6) extrude the neoprene inner sheath, adopt extrusion die, guarantee roundness;

7) vertical bag embossing aluminium-plastic tape, vertical bag is just put up behind the aluminium-plastic tape embossing, and puts up mouth with the high temperature barbecue, makes its bonding closely knit;

8) extrude the neoprene oversheath, adopt extrusion die, the bright and clean rounding of appearance.

All to test whether reach necessary requirement after the above per pass operation.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.

Claims

1. waterproof stain-resistant rubber sheathed cable, it is characterized in that: comprise inner core, on the outer surface of inner core, be coated with inner sheath (4), indulge being surrounded by embossing aluminium-plastic tape (5) in the outside of inner sheath (4), on the outer surface of embossing aluminium-plastic tape (5), be coated with oversheath (6); Described inner core comprises inner wire (1), is provided with insulating barrier (2) on the outer surface of inner wire (1), is surrounded with first band (3) that blocks water in the outside of insulating barrier (2).

2. waterproof stain-resistant rubber sheathed cable according to claim 1 is characterized in that: described insulating barrier (2) is the ethylene-propylene rubber layer.

3. waterproof stain-resistant rubber sheathed cable according to claim 1 is characterized in that: described inner sheath (4) and oversheath (6) are made by neoprene.

4. waterproof stain-resistant rubber sheathed cable according to claim 1 is characterized in that: described inner core has one.

5. waterproof stain-resistant rubber sheathed cable according to claim 1 is characterized in that: described inner core is the inner core that a plurality of nominal area of section equate.

6. waterproof stain-resistant rubber sheathed cable according to claim 1 is characterized in that: described inner core has a plurality of, wherein has the nominal area of section of the nominal area of section of an inner core less than other inner cores at least.

7. according to claim 1 or 5 or 6 described waterproof stain-resistant rubber sheathed cables, it is characterized in that: also comprise second band (7) that blocks water, by second band (7) that blocks water a plurality of inner cores are tightened together, and between each inner core, second the block water band and give between the inner core and be filled with water baffle bar (8).