CN213660020U

CN213660020U - Tensile high-electrical-property cable

Info

Publication number: CN213660020U
Application number: CN202021479208.3U
Authority: CN
Inventors: 林爱华; 邵媛; 韩冰; 张高洋; 陆亚军
Original assignee: Jiangsu Changfeng Cable Co ltd
Current assignee: Jiangsu Changfeng Cable Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-07-09
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a high electrical property cable of tensile, including the insulating cable core of a plurality of transposition stranding, every insulating cable core all includes the conductor, first aramid fiber silk enhancement layer, the internal insulating layer of elastomer, second aramid fiber silk enhancement layer and outer insulating layer, the first aramid fiber silk enhancement layer of the outside cladding of conductor, the external cladding internal insulating layer of first aramid fiber silk enhancement layer, the external cladding second aramid fiber silk enhancement layer of elastomer, the external cladding outer insulating layer of second aramid fiber silk enhancement layer, the packing strip of area steel core is filled in the space between a plurality of insulating cable cores, the external adoption of insulating cable core wraps the stranding around the band, wrap the outside cladding elastomer sheath material in band. The utility model provides a tensile high electrical property cable, conductor adopt 6 kinds of soft aluminium alloy material, are better than traditional 5 kinds of copper conductor compliance, simple structure, rounding, and low cost has improved the tensile strength and the insulating electrical property of cable, and do not influence the compliance of cable, life extension.

Description

Tensile high-electrical-property cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high electric performance cable of tensile.

Background

The flexible cable with the rubber sleeve insulation and the sheath is commonly used on the current mobile traveling crane, but because the cable frequently moves and bears the dead weight, the protective layer on the surface of the cable is easily damaged in the moving process, the short circuit problem is easy to occur, the service life of the cable is generally short, and the average service life is only about 2 years.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model aims to provide a tensile high electrical property cable.

In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:

the utility model provides a tensile high electrical property cable, its characterized in that, includes the insulating cable core of a plurality of transposition stranding, every insulating cable core all includes the conductor, first aramid fiber silk enhancement layer, elastomer internal insulation layer, second aramid fiber silk enhancement layer and the outer insulating layer of being made by the soft conductor of 6 th kind of aluminum alloy, the first aramid fiber silk enhancement layer of the outside cladding of conductor, the outside cladding elastomer internal insulation layer of first aramid fiber silk enhancement layer, the outside cladding second aramid fiber silk enhancement layer of elastomer internal insulation layer, the outside cladding outer insulating layer of second aramid fiber silk enhancement layer, the filler strip of taking the steel core is filled in the space between a plurality of insulating cable cores, and insulating outside adoption wraps the stranding around the band, wraps the outside cladding elastomer sheath material in the band.

Furthermore, the conductor is made of a plurality of 6 th aluminum alloy soft conductors, and the diameter of each 6 th aluminum alloy soft conductor is 0.15-0.20 mm.

Further, the weaving density of the first aramid fiber yarn reinforcing layer is 70-90%.

Furthermore, the thickness of the insulating layer in the elastic body is 0.6-1.0 mm.

Furthermore, the thickness of the outer insulating layer is 0.4-0.8 mm.

Furthermore, the steel core in the filling strip is formed by twisting a plurality of steel wires, and the diameter of the twisted steel core is 2-4 mm.

Further, adopt PP winding rope around the band, adopt the clearance winding during the winding, the clearance between two arbitrary PP winding ropes is not more than 1 mm.

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

(1) the conductor is made of the 6 th soft aluminum alloy material, so that the conductor has better flexibility than the traditional 5 th copper conductor, and the cost can be reduced by about 20 percent compared with copper;

(2) the tensile property of the cable is improved by adopting two layers of woven aramid fiber reinforced layers, and the flexibility of the cable is not influenced;

(3) the double-layer insulating layer of the inner insulating layer and the outer insulating layer of the elastic body is arranged, so that the insulating electrical performance of the cable is improved, compared with the traditional single-layer insulation, the electrical performance is improved by 30%, and the service life can be prolonged by 10 years;

(4) the cable is filled with a filler strip material with a steel core, and compared with a common filling rope, the tensile resistance of the cable is improved by more than 10%;

(5) the cable is around the band and is adopted PP winding rope structure, compares with traditional cabling band, can improve pulling force 3%.

Drawings

Fig. 1 is a schematic structural view of the present invention;

wherein, 1-conductor; 2-a first aramid fiber yarn reinforcement layer; 3-an elastomeric inner insulating layer; 4-a second aramid fiber yarn reinforcement layer; 5-an outer insulating layer; 6-filling strips; 7-wrapping a tape; 8-elastomer sheathing compound.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.

As shown in fig. 1, a tensile high electric performance cable, includes the insulating cable core of a plurality of transposition stranding, every insulating cable core all includes conductor 1, first aramid fiber silk enhancement layer 2, the internal insulating layer 3 of elastomer, second aramid fiber silk enhancement layer 4 and the external insulating layer 5 of being made by 6 kinds of aluminum alloy soft conductor, the first aramid fiber silk enhancement layer 2 of 1 outside cladding of conductor, the internal insulating layer 3 of 2 outside cladding elastomers in first aramid fiber silk enhancement layer, the external cladding second aramid fiber silk enhancement layer 4 of the internal insulating layer 3 outside of elastomer, the external insulating layer 5 of 4 outside cladding of second aramid fiber silk enhancement layer, the filler strip 6 of taking the steel core is filled in the space between a plurality of insulating cable cores, the external portion of insulating cable core adopts 7 bands to wrap the stranding, wraps band 7 external cladding elastomer sheath material 8 around band.

The conductor 1 is made of a plurality of 6 th aluminum alloy soft conductors, and the diameter of each 6 th aluminum alloy soft conductor is 0.15-0.20 mm.

The weaving density of the first aramid fiber yarn reinforced layer 2 is 70-90%.

The thickness of the insulating layer 3 in the elastic body is 0.6-1.0 mm.

The thickness of the outer insulating layer 5 is 0.4-0.8 mm.

The steel core in the filling strip 6 is formed by twisting a plurality of steel wires, the diameter of the twisted steel core is 2-4 mm, the number of the steel cores is a plurality, and the number and the arrangement position can be flexibly selected according to actual requirements.

Adopt PP winding rope around band 7, adopt the clearance winding during the winding, the clearance between two arbitrary PP winding ropes is not more than 1 mm.

Example 1

As shown in figure 1, a tensile high-electrical performance cable comprises three insulated cable cores twisted into a cable, wherein the three insulated cable cores are twisted to form a triangular structure, each insulated cable core comprises a conductor 1 made of a 6 th aluminum alloy soft conductor, a first aramid fiber wire reinforced layer 2, an inner insulating layer 3 of an elastomer, a second aramid fiber wire reinforced layer 4 and an outer insulating layer 5, the first aramid fiber wire reinforced layer 2 is coated outside the conductor 1, the inner insulating layer 3 of the elastomer is coated outside the first aramid fiber wire reinforced layer 2, the second aramid fiber wire reinforced layer 4 is coated outside the inner insulating layer 3 of the elastomer, the outer insulating layer 5 is coated outside the second aramid fiber wire reinforced layer 4, filling strips 6 with steel cores are filled in gaps among a plurality of insulated cable cores, the cable is wrapped into a cable by a wrapping belt 7 outside the insulated cable cores, and the elastomer sheathing material 8 is coated outside the wrapping belt 7 to form a round cable structure, the tensile property of the cable is improved by arranging the first aramid fiber wire reinforcing layer 2 and the second aramid fiber wire reinforcing layer 4, the flexibility of the cable is not affected, and the insulating electrical property of the cable is improved by arranging the double insulating layers of the inner insulating layer 3 and the outer insulating layer 5 of the elastic body.

The conductor 1 is made of a plurality of 6 th aluminum alloy soft conductors, and the diameter of each 6 th aluminum alloy soft conductor is 0.15 mm.

The weaving density of the first aramid fiber yarn reinforced layer 2 is 90%.

The thickness of the insulating layer 3 in the elastomer is 0.6 mm.

The thickness of the outer insulating layer 5 is 0.8 mm.

The steel core in the filling strip 6 is formed by twisting a plurality of steel wires, the diameter of the twisted steel core is 4mm, and the tensile resistance is improved.

Adopt PP winding rope around band 7, can further improve the stretching resistance of cable, adopt the clearance winding during the winding, the clearance between two arbitrary PP winding ropes is not more than 1 mm.

The part of the utility model which is not described in detail can be realized by adopting the prior art, and the description is not repeated here.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A tensile high-electrical performance cable is characterized by comprising a plurality of insulated cable cores stranded into a cable, each insulated cable core comprises a conductor (1) made of a 6 th aluminum alloy soft conductor, a first aramid fiber yarn reinforced layer (2), an inner insulating layer (3) of an elastomer, a second aramid fiber yarn reinforced layer (4) and an outer insulating layer (5), the cable is characterized in that a first aramid fiber yarn reinforced layer (2) is coated outside a conductor (1), an inner insulating layer (3) is coated outside the first aramid fiber yarn reinforced layer (2), an outer insulating layer (4) is coated outside the inner insulating layer (3) and the inner insulating layer (4) and the outer insulating layer (5) is coated outside the second aramid fiber yarn reinforced layer (4), a filling strip (6) with a steel core is filled in a gap between a plurality of insulating cable cores, the insulating cable cores are wrapped into a cable around a wrapping belt (7), and an outer wrapping elastomer sheathing material (8) is wrapped outside the wrapping belt (7).

2. The cable with tensile strength and high electrical performance as claimed in claim 1, wherein the conductor (1) is made of a plurality of 6 th aluminum alloy flexible conductors, and the diameter of each 6 th aluminum alloy flexible conductor is 0.15-0.20 mm.

3. The tensile high-electrical-property cable according to claim 1, wherein the weaving density of the first aramid fiber yarn reinforced layer (2) is 70-90%.

4. The tensile high electric performance cable according to claim 1, wherein the thickness of the insulating layer (3) in the elastomer is 0.6-1.0 mm.

5. The tensile high electric performance cable according to claim 1, wherein the thickness of the outer insulating layer (5) is 0.4-0.8 mm.

6. The cable with tensile strength and high electrical performance as claimed in claim 1, wherein the steel core in the filler strip (6) is formed by twisting a plurality of steel wires, and the diameter of the twisted steel core is 2-4 mm.

7. The cable with the tensile property and the high electrical performance as claimed in claim 1, wherein the wrapping tape (7) is formed by PP (polypropylene) winding ropes, and is wound by gaps, and the gap between any two PP winding ropes is not more than 1 mm.