CN207367655U - One kind blocks water aerial polyethylene insulated cable - Google Patents

One kind blocks water aerial polyethylene insulated cable Download PDF

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Publication number
CN207367655U
CN207367655U CN201721413975.2U CN201721413975U CN207367655U CN 207367655 U CN207367655 U CN 207367655U CN 201721413975 U CN201721413975 U CN 201721413975U CN 207367655 U CN207367655 U CN 207367655U
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China
Prior art keywords
layer
cable
aerial
outside
strand wires
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CN201721413975.2U
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Chinese (zh)
Inventor
娄忠金
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Jiangxi Santa Cable Technology Co Ltd
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Jiangxi Santa Cable Technology Co Ltd
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Priority to CN201721413975.2U priority Critical patent/CN207367655U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model belongs to field of cable technology, block water aerial polyethylene insulated cable more particularly to one kind, including more cores, lapping layer, waterproof layer and sheath, further include reinforcer, enhancement layer and shielded layer, reinforcer is located at the center of cable, waterstop is both provided between core, insulating layer is coated on the outside of lapping layer, and steel strand wires are arranged between insulating layer and shielded layer.The aerial cable of the utility model is both provided with waterstop between being located at core, which can carry out longitudinal water-blocking, prevents water from entering from end;The outside of lapping layer is additionally provided with enhancement layer, and enhancement layer includes insulating layer and Duo Gen steel strand wires, and insulating layer improves the insulating properties of cable, while the mechanical performance for improving cable is engaged with steel strand wires;The outside of enhancement layer is coated with shielded layer, can effectively reduce the radiation of cable;The outside of shielded layer is coated with waterproof layer, even if after exterior sheath aging breakage, remaining to radially protect the water proofing property of cable.

Description

One kind blocks water aerial polyethylene insulated cable
Technical field
The utility model belongs to field of cable technology, and in particular to one kind blocks water aerial polyethylene insulated cable.
Background technology
Aerial cable makes the aerial condutor equipped with insulating layer and protective layer, and insulating layer can use plastics or rubber etc., modeling The material common material of insulating layer has polyvinyl chloride, polyethylene, crosslinked polyethylene, has simple in structure, easy to process, the weight of manufacture Gently, the advantages of convenient laying, it is widely used in low midium voltage cable, crosslinked polyethylene is by cross-linking modified polyethylene, more The features such as high temperature tolerance and resistance to cracking, the block-water performance of wherein polyethylene are superior to polyvinyl chloride, and cable uses for a long time In moisture weight, during rainwater season occurred frequently, still have moisture penetration into the core of cable, thus cannot be single use polyethylene Sheath blocks water.
Utility model content
The utility model provides a kind of aerial cable that blocks water simple in structure, easy to use, has preferable mechanicalness Energy.
In order to solve the above-mentioned technical problem, the utility model provides one kind and blocks water aerial polyethylene insulated cable, including More cores, lapping layer, waterproof layer and sheath, further include reinforcer, enhancement layer and shielded layer, and the reinforcer is located at cable Center, is symmetrically provided with more cores around the reinforcer, and waterstop is both provided between the core, described more The outside of root core and waterstop is coated with lapping layer;The outside of the lapping layer is enhancement layer, the outside of the enhancement layer according to It is secondary to be coated with shielded layer, waterproof layer and sheath;The enhancement layer includes insulating layer and Duo Gen steel strand wires, and the insulating layer is coated on The outside of lapping layer, the steel strand wires are arranged between insulating layer and shielded layer.
Preferably, the cross section of the insulating layer is in gear-like, the outer surface of insulating layer is provided with multiple grooves, described Steel strand wires are arranged in groove.
Preferably, more filling ropes are both provided between the steel strand wires.
Preferably, the reinforcer is hollow tubular structures, the reinforcer is internally provided with steel wire filling core.
Preferably, it is additionally provided with flame-retardant layer between the waterproof layer and sheath.
Preferably, the material of the filling rope is carbon fiber.
Beneficial effect:
The aerial cable of the utility model is both provided with waterstop between being located at core, which can carry out longitudinal resistance Water, prevents water from entering from end;The outside of lapping layer is additionally provided with enhancement layer, and enhancement layer includes insulating layer and Duo Gen steel strand wires, Insulating layer improves the insulating properties of cable, while the mechanical performance for improving cable is engaged with steel strand wires;The exterior bag of enhancement layer Shielded layer is covered with, can effectively reduce the radiation of cable;The outside of shielded layer is coated with waterproof layer, even if exterior sheath is old After changing breakage, remain to radially protect the water proofing property of cable.
The cross section of insulating layer is in gear-like, and surface is provided with multiple grooves, and steel strand wires are arranged in groove, can be by steel Twisted wire is fixed, and prevents its movement;More filling ropes are provided between steel strand wires, ensure the compactness of cable;Reinforcer is Hollow tubular structures, are internally provided with fit in steel wire filling core, with the steel strand wires of enhancement layer, improve the mechanical performance of cable; Flame-retardant layer is additionally provided between waterproof layer and sheath, can still cable is worked normally within a period of time even if fire occurs, protect Internal structure;The material of filling rope be carbon fiber, carbon fiber softness, light specific gravity and has preferable tensile strength, can be mentioned The mechanical strength of cable, mitigates the weight of cable.
Brief description of the drawings
The structure diagram of Fig. 1 the utility model cables;
Attached drawing marks:1- cores, 2- reinforcers, 21- steel wires filling core, 3- waterstops, 4- lapping layers, 5- enhancement layers, 51- Insulating layer, 52- fillings rope, 53- grooves, 54- steel strand wires, 6- shielded layers, 7- waterproof layers, 8- sheaths, 9- flame-retardant layers.
Embodiment
The embodiment of the utility model is further illustrated below in conjunction with the accompanying drawings.
One kind as shown in Figure 1 blocks water aerial polyethylene insulated cable, including more cores 1, lapping layer 4,7 and of waterproof layer Sheath 8, further includes reinforcer 2, enhancement layer 5 and shielded layer 6, and the reinforcer 2 is located at the center of cable, in the reinforcer 2 Around be symmetrically provided with more cores 1, waterstop 3 is both provided between the core 1, waterstop can be water blocking yarn Deng the material water-proof material of water-swellable, when the end water inlet of cable, water can be effectively prevented longitudinally to enter cable;The more lines The outside of core 1 and waterstop 3 is coated with lapping layer 4;The outside of the lapping layer 4 is enhancement layer 5, the outside of the enhancement layer 5 Shielded layer 6, waterproof layer 7 and sheath 8 are coated with successively;The enhancement layer 5 includes insulating layer 51 and Duo Gen steel strand wires 54, described exhausted Edge layer 51 is coated on the outside of lapping layer 4, and the steel strand wires 54 are arranged between insulating layer 51 and shielded layer 6.
In the present embodiment, the material of core 1 is soft copper core, and shielded layer 2 can be wire sheathing or aluminum composite belt system Into can effectively reduce the radiation of cable;The material of waterproof layer 7 can be adopted as high density polyethylene (HDPE), in lapping layer 4, Polypropylene net band or other insulating materials are filled with gap between core 1 and reinforcer 2, waterstop 3;The insulating layer 51 cross section is in gear-like, and the outer surface of insulating layer 51 is provided with multiple grooves 53, and the steel strand wires 54 are arranged on groove 53 It is interior;More filling ropes 52 are both provided between the steel strand wires 54;The reinforcer 2 is hollow tubular structures, the reinforcer 2 Be internally provided with steel wire filling core 21;It is additionally provided with flame-retardant layer 9 between the waterproof layer 7 and sheath 8, sheath 8 and insulating layer 51 Material is polyethylene, by cross-linking modified material, to have the characteristics that stress crack resistant, creep resistance;9 material of flame-retardant layer can Think low smoke halogen-free flame-retardant polyolefin class;The material of the filling rope 52 is carbon fiber, and carbon fiber has light weight, fatigue durability It is good, cooperate with steel strand wires, improve the mechanical performance of cable, and ensure the compactness of cable.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, and this practicality is new Type is not restricted to above description specific embodiment.To those skilled in the art, it is any to the utility model carry out Equivalent modifications and substitute also all among the category of the utility model.Therefore, the spirit and scope of the utility model are not being departed from Lower made impartial conversion and modification, all cover in the scope of the utility model.

Claims (6)

  1. The aerial polyethylene insulated cable 1. one kind blocks water, including more cores (1), lapping layer (4), waterproof layer (7) and sheath (8), it is characterised in that:Reinforcer (2), enhancement layer (5) and shielded layer (6) are further included, the reinforcer (2) is located in cable The heart, more cores (1) are symmetrically provided with around the reinforcer (2), waterstop is both provided between the core (1) (3), the outside of the more cores (1) and waterstop (3) is coated with lapping layer (4);The outside of the lapping layer (4) is reinforcement Layer (5), the outside of the enhancement layer (5) is coated with shielded layer (6), waterproof layer (7) and sheath (8) successively;The enhancement layer (5) Including insulating layer (51) and more steel strand wires (54), the insulating layer (51) is coated on the outside of lapping layer (4), the steel strand wires (54) it is arranged between insulating layer (51) and shielded layer (6).
  2. The aerial polyethylene insulated cable 2. one kind as claimed in claim 1 blocks water, it is characterised in that:The insulating layer (51) Cross section is in gear-like, and the outer surface of insulating layer (51) is provided with multiple grooves (53), and the steel strand wires (54) are arranged on groove (53) in.
  3. The aerial polyethylene insulated cable 3. one kind as claimed in claim 2 blocks water, it is characterised in that:The steel strand wires (54) it Between be both provided with more filling rope (52).
  4. The aerial polyethylene insulated cable 4. one kind as claimed in claim 3 blocks water, it is characterised in that:The reinforcer (2) is Hollow tubular structures, the reinforcer (2) are internally provided with steel wire filling core (21).
  5. The aerial polyethylene insulated cable 5. one kind as described in any one in Claims 1-4 blocks water, it is characterised in that:Institute State and flame-retardant layer (9) is additionally provided between waterproof layer (7) and sheath (8).
  6. The aerial polyethylene insulated cable 6. one kind as claimed in claim 3 blocks water, it is characterised in that:The filling rope (52) Material is carbon fiber.
CN201721413975.2U 2017-10-28 2017-10-28 One kind blocks water aerial polyethylene insulated cable Active CN207367655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721413975.2U CN207367655U (en) 2017-10-28 2017-10-28 One kind blocks water aerial polyethylene insulated cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721413975.2U CN207367655U (en) 2017-10-28 2017-10-28 One kind blocks water aerial polyethylene insulated cable

Publications (1)

Publication Number Publication Date
CN207367655U true CN207367655U (en) 2018-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721413975.2U Active CN207367655U (en) 2017-10-28 2017-10-28 One kind blocks water aerial polyethylene insulated cable

Country Status (1)

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CN (1) CN207367655U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112992417A (en) * 2019-12-17 2021-06-18 西安华联电力电缆有限公司 Overhead insulated cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112992417A (en) * 2019-12-17 2021-06-18 西安华联电力电缆有限公司 Overhead insulated cable

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