CN212303107U - Aluminum alloy cable suitable for low-voltage insulation line - Google Patents

Aluminum alloy cable suitable for low-voltage insulation line Download PDF

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CN212303107U
CN212303107U CN202021279941.0U CN202021279941U CN212303107U CN 212303107 U CN212303107 U CN 212303107U CN 202021279941 U CN202021279941 U CN 202021279941U CN 212303107 U CN212303107 U CN 212303107U
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aluminum alloy
layer
cable
cable main
core
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董新安
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Jiangsu Zhongjing Cable Technology Co ltd
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Jiangsu Zhongjing Cable Technology Co ltd
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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 discloses an aluminum alloy cable suitable for low-voltage insulation line, which belongs to the technical field of cables and comprises a cable main body, a plurality of fixing components are arranged on the outer side wall of the cable main body at equal intervals, and a bending-resistant steel wire is commonly connected on the plurality of fixing components in a penetrating way, the cable main body mainly comprises an outer protective layer, an outer insulating layer, a shielding layer, a heat-conducting layer, an inner insulating layer, a core guide sleeve and an aluminum alloy core guide; be connected bending resistance steel wire and cable main part, improve cable main part's anti bending property and pull up intensity, safe and reliable more when guaranteeing to use, it is impaired to avoid cable main part bending degree to lead to the aluminum alloy to lead the core, a plurality of buffering cavities have been seted up to being the annular in the outer jacket simultaneously, and the buffering cavity is oval, when cable main part receives the extrusion, the extrusion force that produces makes the buffering cavity produce deformation, thereby reduce the extrusion effect of leading the core to the aluminum alloy, avoid the aluminum alloy to lead the core impaired in the transportation, ensure normal use.

Description

Aluminum alloy cable suitable for low-voltage insulation line
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to aluminum alloy cable suitable for low pressure insulated wire way.
Background
The aluminum alloy cable is a mature high-tech environment-friendly energy-saving green power cable, and not only can the aluminum alloy cable completely replace the traditional copper core cable in terms of electrical performance and safety performance, but also more importantly, the aluminum alloy cable is lower than the manufacturing cost of 50 percent of the traditional copper core cable on the premise of meeting the same electrical performance, so that a large amount of investment cost of power facilities is saved for engineering investors.
At present, the aluminum alloy cable than with traditional cable possess better application prospect, but inside the aluminum alloy cable that has now generally has stranded aluminum alloy to lead the core to arrange and establish and form, anti bending property is relatively poor, tensile strength is lower, and cable self receives the extrusion easily in the transportation and produces bend or deformation etc. and cause and lead the core impaired to influence the use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminum alloy cable suitable for low-voltage insulation line to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aluminum alloy cable suitable for low-voltage insulation circuit, includes the cable main part, the equidistance is arranged and is equipped with a plurality of fixed subassemblies on the lateral wall of cable main part, and common through connection has bending resistance steel wire on a plurality of fixed subassemblies, the cable main part is mainly led the core by outer jacket, outer insulating layer, shielding layer, heat-conducting layer, internal insulation layer, leads core cover and aluminum alloy and constitutes, the outer jacket cladding is on outer insulating layer's lateral wall, the outer insulating layer cladding is on the lateral wall of shielding layer, the outside of three heat-conducting layer is located to the shielding layer, and three heat-conducting layer cladding respectively on the lateral wall of three internal insulation layer, the internal insulation layer cladding is on the lateral wall of leading the core cover, it is on the lateral wall of aluminum.
As a preferred embodiment, a plurality of buffer cavities are annularly formed in the outer protective layer, and the buffer cavities are oval.
In a preferred embodiment, the inner side wall of the outer insulating layer is coated with a waterproof corrosion-resistant layer, the material of the waterproof corrosion-resistant layer is specifically ethylene propylene diene monomer, and the material of the shielding layer is specifically conductive rubber.
In a preferred embodiment, the shielding layer and the heat conducting layer are filled with glass fiber ropes.
As a preferred embodiment, the fixing assembly includes a fixing sleeve sleeved on the cable main body, a fixing member is fixedly connected to the fixing sleeve through a bolt, the fixing member is in an "Ω" shape, and a groove is formed on an outer side wall of the fixing sleeve corresponding to an inner side of the fixing member.
In a preferred embodiment, the outer side wall of the shielding layer is wrapped with a metal tape.
Compared with the prior art, the utility model provides an aluminum alloy cable suitable for low pressure insulated wire way includes following beneficial effect at least:
(1) the bending-resistant steel wire can be connected with the cable main body under the action of the fixing component, so that the bending resistance and the tensile strength of the cable main body are improved, the cable main body is safer and more reliable in use, the aluminum alloy guide core is prevented from being damaged due to the fact that the cable main body is bent too much, meanwhile, a plurality of buffer cavities are annularly formed in the outer protective layer and are oval, and when the cable main body is extruded, the buffer cavities are deformed due to the generated extrusion force, so that the extrusion effect on the aluminum alloy guide core is reduced, the aluminum alloy guide core is prevented from being damaged in the transportation process, and normal use is ensured;
(2) through the setting on waterproof corrosion resistant layer, can avoid rainwater etc. to the erosion of corrosive water to cable self, improve the result of use of cable main part, reduce ageing speed, utilize the effect of shielding layer simultaneously, reduce the influence that outside electromagnetism etc. produced the core to the aluminum alloy is led, and magnetic screen performance is strong, ensures the stable transmission of electric power.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the cable of the present invention partially cut away;
fig. 3 is a schematic structural view of the cross section of the outer sheath of the present invention;
fig. 4 is a schematic structural view of the fixing assembly of the present invention.
In the figure: 1. a cable body; 101. an outer jacket; 1011. a buffer cavity; 102. an outer insulating layer; 103. a waterproof corrosion-resistant layer; 104. wrapping a metal belt; 105. a shielding layer; 106. a glass fiber rope; 107. a heat conductive layer; 108. an inner insulating layer; 109. a guide core sleeve; 110. an aluminum alloy guide core; 2. a fixing assembly; 201. fixing a sleeve; 202. a fixing member; 203. a groove; 204. a bolt; 3. bending-resistant steel wires.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-4, the utility model provides an aluminum alloy cable suitable for low-voltage insulation line, including cable main body 1, a plurality of fixing assemblies 2 are arranged at equal intervals on the lateral wall of cable main body 1, fixing assemblies 2 include a fixing sleeve 201 sleeved on cable main body 1, fixing sleeve 201 is fixedly connected with a fixing piece 202 through a bolt 204, fixing piece 202 is in "omega" shape, a groove 203 is arranged at the position of the lateral wall of fixing sleeve 201 corresponding to the inner side of fixing piece 202 (see fig. 1 and 4); through the effect of fixed subassembly 2, can be connected bending resistance steel wire 3 and cable main part 1, improve the bending resistance and the tensile strength of cable main part 1, safe and reliable more when guaranteeing to use avoids cable main part 1 degree of buckling too big to lead to the aluminum alloy to lead core 110 impaired.
The fixing components 2 are connected with the bending-resistant steel wires 3 in a penetrating mode, the cable main body 1 mainly comprises an outer protective layer 101, an outer insulating layer 102, a shielding layer 105, a heat conducting layer 107, an inner insulating layer 108, a core guiding sleeve 109 and an aluminum alloy core guiding 110, the outer protective layer 101 is coated on the outer side wall of the outer insulating layer 102, a plurality of buffer cavities 1011 are annularly formed in the outer protective layer 101, and the buffer cavities 1011 are oval (see fig. 2 and 3); when the cable body 1 is extruded, the produced extrusion force enables the buffer cavity 1011 to deform, so that the extrusion effect on the aluminum alloy guide core 110 is reduced, the aluminum alloy guide core 110 is prevented from being damaged in the transportation process, and the normal use is ensured.
The outer insulating layer 102 is coated on the outer side wall of the shielding layer 105, the shielding layer 105 is arranged on the outer sides of the three heat conduction layers 107, the inner side wall of the outer insulating layer 102 is coated with the waterproof corrosion-resistant layer 103, the waterproof corrosion-resistant layer 103 is specifically made of ethylene propylene diene monomer, and the shielding layer 105 is specifically made of conductive rubber (see fig. 2); the ethylene propylene diene monomer is a terpolymer of ethylene, propylene and non-conjugated diene, and has the main characteristics of excellent oxidation resistance, ozone resistance and corrosion resistance.
A metal tape wrapping 104 is wound on the outer side wall of the shielding layer 105 (see fig. 2); the inner insulating layer 108 is protected from being damaged, and plays roles of buffering and lining, and meanwhile, in the use process of the cable main body 1, different roles such as heat insulation, corrosion prevention, aging prevention and the like are played to the cable main body 1 due to different materials.
The three heat conduction layers 107 are respectively coated on the outer side walls of the three inner insulation layers 108, and the glass fiber ropes 106 (shown in fig. 2) are filled between the shielding layers 105 and the heat conduction layers 107; after the gaps inside the cable main bodies 1 are filled with the glass fiber ropes 106, the outer protective layer 101 is round and complete, and the purposes of high strength and stable structure are achieved.
The inner insulating layer 108 is coated on the outer side wall of the core guide sleeve 109, and the core guide sleeve 109 is coated on the outer side wall of the aluminum alloy core guide 110.
When the cable is used, the bolt 204 is taken down from the fixing part 202 through the action of the fixing component 2, the fixing of the fixing part 202 is released, the fixing part 202 is synchronously taken down, the bending-resistant steel wire 3 is placed in the groove 203 on the fixing sleeve 201, the fixing part 202 is connected with the fixing sleeve 201 again through the bolt 204 after the installation is finished, the connection work of the bending-resistant steel wire 3 and the cable main body 1 can be completed, under the action of the bending-resistant steel wire 3, the bending resistance and the tensile strength of the cable main body 1 are improved, the use is safer and more reliable, the aluminum alloy guide core 110 is prevented from being damaged due to the overlarge bending degree of the cable main body 1, meanwhile, a plurality of buffer cavities 1011 are annularly formed in the outer protective layer 101, the buffer cavities 1011 are elliptical, when the cable main body 1 is extruded, the generated extrusion force enables the buffer cavities 1011 to deform, and the extrusion effect on the aluminum, avoid the aluminum alloy to lead core 110 impaired in the transportation, ensure normal use, and through the setting of waterproof corrosion-resistant layer 103, can avoid rainwater etc. to the erosion of corrosive water to cable self, improve cable main body 1's result of use, reduce ageing speed, utilize shielding layer 105's effect simultaneously, reduce the influence that outside electromagnetism etc. produced aluminum alloy leads core 110, the magnetic screen performance is strong, ensures the stable transmission of electric power.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an aluminum alloy cable suitable for low-voltage insulation line, includes cable body (1), its characterized in that: a plurality of fixing components (2) are arranged on the outer side wall of the cable main body (1) at equal intervals, and the fixed components (2) are connected with the bending-resistant steel wires (3) in a penetrating way together, the cable main body (1) mainly comprises an outer protective layer (101), an outer insulating layer (102), a shielding layer (105), a heat conducting layer (107), an inner insulating layer (108), a core guiding sleeve (109) and an aluminum alloy guiding core (110), the outer protective layer (101) is coated on the outer side wall of the outer insulating layer (102), the outer insulating layer (102) is coated on the outer side wall of the shielding layer (105), the shielding layer (105) is arranged on the outer sides of the three heat conducting layers (107), and the three heat conduction layers (107) are respectively coated on the outer side walls of the three inner insulation layers (108), the inner insulating layer (108) is coated on the outer side wall of the core guide sleeve (109), and the core guide sleeve (109) is coated on the outer side wall of the aluminum alloy core guide (110).
2. The aluminum alloy cable for low-voltage insulated lines as claimed in claim 1, wherein: a plurality of buffer cavities (1011) are annularly arranged in the outer protective layer (101), and the buffer cavities (1011) are oval.
3. The aluminum alloy cable for low-voltage insulated lines as claimed in claim 1, wherein: the inner side wall of the outer insulating layer (102) is coated with a waterproof corrosion-resistant layer (103), the waterproof corrosion-resistant layer (103) is made of ethylene propylene diene monomer rubber, and the shielding layer (105) is made of conductive rubber.
4. The aluminum alloy cable for low-voltage insulated lines as claimed in claim 1, wherein: and a glass fiber rope (106) is filled between the shielding layer (105) and the heat conducting layer (107).
5. The aluminum alloy cable for low-voltage insulated lines as claimed in claim 1, wherein: the fixing component (2) comprises a fixing sleeve (201) sleeved on the cable main body (1), a fixing piece (202) is fixedly connected to the fixing sleeve (201) through a bolt (204), the fixing piece (202) is in an omega shape, and a groove (203) is formed in the position, corresponding to the inner side of the fixing piece (202), of the outer side wall of the fixing sleeve (201).
6. The aluminum alloy cable for low-voltage insulated lines as claimed in claim 1, wherein: and a metal tape wrapping (104) is wound on the outer side wall of the shielding layer (105).
CN202021279941.0U 2020-07-04 2020-07-04 Aluminum alloy cable suitable for low-voltage insulation line Active CN212303107U (en)

Priority Applications (1)

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CN202021279941.0U CN212303107U (en) 2020-07-04 2020-07-04 Aluminum alloy cable suitable for low-voltage insulation line

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Application Number Priority Date Filing Date Title
CN202021279941.0U CN212303107U (en) 2020-07-04 2020-07-04 Aluminum alloy cable suitable for low-voltage insulation line

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113808783A (en) * 2021-08-24 2021-12-17 江苏红峰电缆集团有限公司 Low-temperature-resistant and bending-resistant cable for charging new energy automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113808783A (en) * 2021-08-24 2021-12-17 江苏红峰电缆集团有限公司 Low-temperature-resistant and bending-resistant cable for charging new energy automobile

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