CN209747222U - Fiber rope core aluminum stranded wire - Google Patents

Fiber rope core aluminum stranded wire Download PDF

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Publication number
CN209747222U
CN209747222U CN201920913399.0U CN201920913399U CN209747222U CN 209747222 U CN209747222 U CN 209747222U CN 201920913399 U CN201920913399 U CN 201920913399U CN 209747222 U CN209747222 U CN 209747222U
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China
Prior art keywords
fiber
fiber rope
aluminum
wire
rope
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CN201920913399.0U
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Chinese (zh)
Inventor
任桂芳
王志伟
张玉庆
陈中伟
赵旺盛
马力
刁学煜
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ZHONGFU CARBON FIBER CORE CABLE TECHNOLOGY Co Ltd
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ZHONGFU CARBON FIBER CORE CABLE TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a fiber rope core aluminum stranded wire, which comprises an internal fiber rope (1) and an aluminum wire (2) which is concentrically stranded on the outer layer of the fiber rope (1); the fiber rope (1) is in a structure of one or more fiber ropes; the structure of the plurality of fiber ropes adopts a twisting structure with the twisting direction opposite to that of the aluminum wire (2) adjacent to the inner layer; or the structure of the plurality of fiber ropes is a woven structure or a structure without twisting and wrapping; the outer layer aluminum wire (2) is more than 1 layer, and the cross sections of the aluminum wires of more than 2 layers are the same or different. The utility model provides a fibre rope core aluminum stranded conductor has excellent sag characteristic, outstanding mechanical properties and electrical property, and the security is high moreover, and is longe-lived, and especially bending property is very excellent.

Description

Fiber rope core aluminum stranded wire
Technical Field
The utility model relates to an overhead bare conductor of increase-volume, concretely relates to fibre rope core aluminum stranded conductor.
Background
with the continuous development of modern industry in China, the total amount of energy demand rapidly expands, the serious imbalance between energy layout and industrial distribution, and the pollution of atmosphere, land and water sources in dense urban population areas is becoming serious day by day, so that the long-distance transmission of electric energy is an important subject related to the development of the people in China and the country.
In recent years, carbon fiber composite material cores have been developed by various research institutes and manufacturing enterprises to replace steel cores used in conventional overhead aluminum stranded wires. It has the significant advantages of light weight, high strength, large transport capacity, low line loss, etc., making it recognized and favored in power transmission systems. However, the stability of the single carbon fiber composite core aluminum stranded wire is insufficient in severe environments such as large span, large wind power and the like, and the wire breakage accident is easy to occur. And the wire is to be improved in terms of winding performance and safety in paying out the wire through the tackle.
therefore, it is necessary to design a fiber rope core aluminum stranded wire with more reasonable structural design, higher firmness and more excellent performance on the basis of the prior art.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at solving the technical insufficiency that current combined material core air wire exists, provide one kind and can improve the stability of the bending performance and the connection of wire, improve the wire and cross the high security intensity of coaster at the unwrapping wire, carry the capacity height, the fiber rope core aluminum stranded conductor that reliability and flexibility are high for overhead transmission.
The structure of the fiber rope core aluminum stranded wire can effectively eliminate the wire breakage accident caused by single fault, and greatly improve the safety of the overhead transmission line; the temperature resistance of the lead and the capacity of resisting short circuit instantaneous large current can be further improved.
The technical scheme is as follows: in order to realize the utility model discloses a purpose, the utility model discloses take following technical scheme:
A fiber rope core aluminum stranded wire comprises an inner fiber rope and an aluminum wire which is concentrically stranded on the outer layer of the fiber rope;
The fiber rope is in a structure of one or more fiber ropes; the structure of the plurality of fiber ropes adopts a twisting structure with the twisting direction opposite to that of the aluminum wires adjacent to the inner layer; or the structure of the plurality of fiber ropes is a woven structure or a structure without twisting and wrapping;
Preferably, the fiber rope core aluminum stranded wire is of a woven structure woven by carbon fibers, glass fibers, aramid fibers, basalt fibers or high-density polyethylene fibers or is not woven, and a woven sheath is sleeved on the outer layer of the fiber.
Preferably, the strength of the fiber rope is not less than 1500MPa, and the modulus of the fiber rope is not less than 50 GPa.
Preferably, the outer surface of the fiber rope core aluminum stranded wire is coated with an epoxy resin, a polyester resin, a vinyl resin, a polyurethane resin, polyethylene, polyvinyl chloride, polyether ether ketone or polyphenylene sulfide protective layer. After the protective layer is coated, the friction damage between the fiber rope and the aluminum material can be prevented, the electrochemical corrosion can be prevented, and the high-temperature resistance of the fiber rope can be improved.
Preferably, the diameter of the fiber rope core aluminum stranded wire ranges from 0.1mm to 25 mm. Preferably, the diameter of the fiber rope core is in the range of 6mm-15 mm.
Preferably, the fiber rope core aluminum stranded wire can slide in the fiber rope core aluminum stranded wire, and after the fiber rope core aluminum stranded wire is erected, the whole or most of load of the stranded wire is transferred to the fiber rope (1).
Preferably, the strength of the aluminum wire (2) is more than or equal to 180MPa, and the modulus is more than or equal to 50 GPa; more preferably, the strength of the aluminum wire is 110MPa or more and the modulus is 50GPa or more.
The aluminum wire twisted outside the fiber rope is arched, and the fiber rope inside the aluminum wire is pressed to a certain extent without damaging the fiber rope. Therefore, the situation that the aluminum wire is stretched due to the paying-off tension when the paying-off is too long and cannot be recovered after the paying-off is finished is ensured.
Preferably, the fiber rope core aluminum stranded wire is wound on a rod material with the diameter being 1 time of the rope core aluminum stranded wire for 8 circles, and the phenomena of fiber breakage and coating cracking are avoided.
has the advantages that: the utility model provides a fibre rope core aluminum stranded conductor compares with prior art and has following advantage:
(1) The utility model provides a fibre rope core aluminum stranded conductor, structural design is more reasonable, the performance is more superior, has a series of advantages such as intensity height, security height, corrosion-resistant, fatigue-resistant, toughness are good.
(2) The aluminum stranded wire with the fiber rope core can effectively eliminate the wire breakage accident caused by the damage of a single reinforcing core, and the safety of the overhead transmission line can be greatly improved;
(3) By adopting the fiber rope core aluminum stranded wire, the bending performance of the wire can be effectively improved, and the safety of the wire when the wire passes through the pulley during paying off is improved.
drawings
Fig. 1 is a schematic view of a first structure of a fiber rope core aluminum stranded wire.
Fig. 2 is a schematic diagram of a second structure of the fiber rope core aluminum stranded wire.
Detailed Description
The present invention will be further explained with reference to specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications to the various equivalent forms of the invention, which may occur to those skilled in the art upon reading the present invention, fall within the scope of the appended claims.
Example 1
As shown in figure 1, the fiber rope core aluminum stranded wire is formed by concentrically stranding a fiber rope 1 serving as a reinforcing core and an aluminum wire 2 stranded on the outer layer of the fiber rope 1. The fiber rope 1 is of a structure of a plurality of fiber ropes; the structure of the plurality of fiber ropes adopts a twisting structure with the twisting direction opposite to that of the aluminum wire 2 adjacent to the inner layer;
The strength of the carbon fiber used by the fiber rope 1 as a reinforcing core is larger than or equal to 4500MPa, the modulus is larger than or equal to 230GPa, the strength of the fiber rope 1 is larger than or equal to 1500MPa, and the modulus is larger than or equal to 100 GPa.
The diameter of the fiber rope 1 ranges from 6mm to 15 mm.
The concentrically twisted aluminum wires 2 on the outer side of the fiber rope 1 are arched by themselves, and the fiber rope on the inner side is pressed to a certain extent, but the fiber rope 1 is not damaged. The fiber rope 1 can slide in the fiber rope core aluminum stranded wire, and after the fiber rope core aluminum stranded wire is erected, most of load of the stranded wire is transferred to the fiber rope 1.
The strength of the aluminum wire 2 is more than or equal to 180MPa, and the modulus is more than or equal to 50GPa, so that the aluminum wire can not be elongated due to paying-off tension when the paying-off is too long, and the aluminum wire can not be recovered after the paying-off is finished.
The aluminum wires 2 on the outer side of the fiber rope 1 are two layers, and the sections of the two layers of aluminum wires 2 are the same or different.
Example 2
As shown in fig. 2, the fiber rope core aluminum stranded wire is formed by concentrically twisting a fiber rope 1 serving as a reinforcing core and an aluminum wire 2 twisted on the outer layer of the fiber rope 1. The fiber rope 2 is formed by weaving a fiber rope as a reinforcing core, the carbon fiber is used as the core, and the aramid fiber sheath is woven on the outer layer for protection.
the strength of the carbon fiber used by the fiber rope 1 as a reinforcing core is larger than or equal to 4500MPa, the modulus is larger than or equal to 230GPa, the strength of the fiber rope 1 is larger than or equal to 1500MPa, and the modulus is larger than or equal to 100 GPa. The outer surface of the fiber rope 1 is coated with a layer of polyether-ether-ketone or polyphenylene sulfide high-temperature resistant coating 3 which can prevent the friction damage with aluminum materials and the electrochemical corrosion resistance, and the diameter range of the outer layer fiber rope core 1 of the fiber rope 1 is 6mm-15 mm.
the concentrically twisted aluminum wires 2 outside the fiber rope 1 should be arched by themselves, and have a certain compression on the inside fiber rope, but cannot damage the fiber rope 1. The fiber rope 1 can slide in the fiber rope core aluminum stranded wire, and most of load of the stranded wire is transferred to the fiber rope core after the fiber rope core aluminum stranded wire is erected.
The strength of the aluminum wire 2 is more than or equal to 180MPa, and the modulus is more than or equal to 50GPa, so that the aluminum wire can not be elongated due to paying-off tension when the paying-off is too long, and the aluminum wire can not be recovered after the paying-off is finished.
The aluminum wires 2 on the outer side of the fiber rope 1 are two layers, and the sections of the two layers of aluminum wires 2 are the same or different.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The aluminum stranded wire with the fiber rope core is characterized by comprising an inner fiber rope (1) and an aluminum wire (2) which is concentrically stranded on the outer layer of the fiber rope (1);
The fiber rope (1) is in a structure of one or more fiber ropes; the structure of the plurality of fiber ropes adopts a twisting structure with the twisting direction opposite to that of the aluminum wire (2) adjacent to the inner layer; or the structure of the plurality of fiber ropes is a woven structure or a structure without twisting and wrapping;
the outer layer aluminum wire (2) is more than 1 layer, and the cross sections of the aluminum wires more than 2 layers are the same or different.
2. The aluminum stranded wire of the fiber rope core as claimed in claim 1, wherein the fiber rope (1) is woven or not woven with a woven structure of carbon fiber, glass fiber, aramid fiber, basalt fiber or high-density polyethylene fiber, and a woven sheath is sleeved on the outer layer of the fiber.
3. The fiber rope core aluminum stranded wire according to claim 1, wherein the strength of the fiber rope (1) is not less than 1500MPa, and the modulus is not less than 50 GPa.
4. A fibre rope core aluminium strand as claimed in claim 1, characterized in that the outer surface of the fibre rope (1) is coated with a protective layer (3) of epoxy resin, polyester resin, vinyl resin, polyurethane resin, polyethylene, polyvinyl chloride, polyetheretherketone or polyphenylene sulphide.
5. The aluminum stranded wire of the fiber rope core as claimed in claim 1, wherein the diameter of the fiber rope (1) is in the range of 0.1mm to 25 mm.
6. A fibre core aluminium strand according to claim 1, characterized in that the fibre rope (1) is slidable in the fibre core aluminium strand, and when the fibre core aluminium strand is erected, the whole or most of the load of the strand is transferred to the fibre rope (1).
7. The aluminum stranded wire with the fiber rope core as claimed in claim 1, wherein the strength of the aluminum wire (2) is greater than or equal to 110MPa, and the modulus is greater than or equal to 50 GPa.
CN201920913399.0U 2019-06-18 2019-06-18 Fiber rope core aluminum stranded wire Active CN209747222U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920913399.0U CN209747222U (en) 2019-06-18 2019-06-18 Fiber rope core aluminum stranded wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920913399.0U CN209747222U (en) 2019-06-18 2019-06-18 Fiber rope core aluminum stranded wire

Publications (1)

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CN209747222U true CN209747222U (en) 2019-12-06

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CN201920913399.0U Active CN209747222U (en) 2019-06-18 2019-06-18 Fiber rope core aluminum stranded wire

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110164622A (en) * 2019-06-18 2019-08-23 中复碳芯电缆科技有限公司 A kind of cordage core aluminum stranded wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110164622A (en) * 2019-06-18 2019-08-23 中复碳芯电缆科技有限公司 A kind of cordage core aluminum stranded wire

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