CN209836657U - Galvanized steel strand for cable - Google Patents
Galvanized steel strand for cable Download PDFInfo
- Publication number
- CN209836657U CN209836657U CN201822176653.1U CN201822176653U CN209836657U CN 209836657 U CN209836657 U CN 209836657U CN 201822176653 U CN201822176653 U CN 201822176653U CN 209836657 U CN209836657 U CN 209836657U
- Authority
- CN
- China
- Prior art keywords
- strand
- outer side
- galvanized
- central
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001335 Galvanized steel Inorganic materials 0.000 title claims abstract description 33
- 239000008397 galvanized steel Substances 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 claims abstract description 28
- 239000004814 polyurethane Substances 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000011247 coating layer Substances 0.000 claims abstract description 8
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 12
- 210000000689 upper leg Anatomy 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ropes Or Cables (AREA)
Abstract
The utility model discloses a galvanized steel strand for cable, which comprises a steel strand body and a thermal shrinkage PVC sleeve coated outside the steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands; the central strand and the outer strand are twisted by a central line and six outer side wires, the central line and the six outer side wires are galvanized steel wires, the six outer side wires are twisted in the same direction, the outer side of each outer strand is provided with a silicon rubber wear-resistant sleeve, and the outer side of each galvanized steel wire is coated with an insulating coating layer. The galvanized steel strand of the utility model is provided with the polyurethane layer outside the six outer strands, and the central strand and the six outer strands are twisted by galvanized steel wires, so that the galvanized steel strand has good insulating property; and the outer sides of the galvanized steel wires are coated with insulating coating layers, so that the insulating property is improved.
Description
Technical Field
The utility model relates to a steel strand wires technical field, concretely relates to galvanized steel strand wires for cable.
Background
The galvanized steel stranded wire is generally used for messenger wires (messenger wires), guy wires (guy wires), reinforced cores (core or strength wire) and the like, and can also be used as an earth wire (earth wire/ground wire) of overhead power transmission, barrier wires (barrier cables) on two sides of a road or a structural cable (structure cable) in a building structure, the structure is 1 x 7, the galvanized steel stranded wires with the specifications of 5.4, 6.0, 6.6 and 9.0 can be used for the pole overhead stay wire of the post power line, and the insulated galvanized steel stranded wire is widely applied to overhead power transmission and distribution lines of various voltage levels due to the advantages of simple structure, convenience in erection and maintenance, low line manufacturing cost, large transmission capacity, convenience in laying of crossing special geographical conditions such as rivers and valleys and the like.
In the built on stilts transmission and distribution lines, the cable is in for a long time and exposes in the air, and the wind blows the sunshine, and the condition such as the easy ageing or the crackle of appearing of outside PVC sleeve pipe causes the phenomenon of short circuit or outage easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a galvanized steel strand wires for cable to the defect and not enough of prior art to solve the problem that proposes among the background art.
In order to achieve the above object, the utility model adopts the following technical scheme: a galvanized stranded wire for a cable is characterized in that: the steel strand comprises a steel strand body and a thermal shrinkage PVC sleeve coated outside the steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands; the central strand and the outer strand are twisted by a central line and six outer side lines, the central line and the six outer side lines are galvanized steel wires, the six outer side lines are twisted in the forward direction, the outer side of each outer strand is provided with a silicon rubber wear-resistant sleeve, and the outer side of each galvanized steel wire is coated with an insulating coating layer.
Furthermore, the polyurethane layer comprises an outer side pipe with a cylindrical cavity structure and a plurality of inner side supporting seats uniformly arranged in the outer side pipe, and a central hole for a central strand to pass through and outer side holes for the outer side strand to pass through are formed in the central position of each inner side supporting seat and are uniformly arranged outside the central hole.
The thickness of the outer side pipe of the polyurethane layer is 4mm, and the thickness of the inner side supporting seat is 1 cm.
Preferably, the polyurethane layer is formed by splicing a plurality of sections, and an insulating sealing sleeve is arranged at the splicing position of each two sections of the polyurethane layer.
The two sides of the insulating sealing sleeve are provided with slots for inserting the outer side pipes of the polyurethane layer, and the insulating sealing sleeve is made of telescopic sealing materials.
Furthermore, the thickness specification of the galvanized layer on the surface of the galvanized steel wire is more than or equal to 120g/m2。
Further, the diameter of each galvanized steel wire is 0.9 +/-0.1 mm.
After the structure is adopted, the utility model discloses beneficial effect does:
(1) the galvanized steel strand comprises a steel strand body and a steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands, and the central strand and the six outer strands are formed by twisting galvanized steel wires, so that the insulating property is good; and the outer sides of the galvanized steel wires are coated with insulating coating layers, so that the insulating property is improved; meanwhile, due to the arrangement of the polyurethane layer, the waterproof performance of the steel strand is greatly improved, and the steel strand is more suitable for outdoor environment.
(2) The utility model discloses a polyurethane layer includes cylindric cavity structure's outside pipe and evenly arranges a plurality of inside supporting seat in the outside pipe, is provided with centre bore and a plurality of outside hole in the inboard supporting seat, plays fabulous supporting role to centre thigh and outside thigh, prevents in the long-term use, and phenomenons such as deformation appear in the cable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a polyurethane layer according to the present invention;
fig. 3 is a schematic structural view of the insulating sealing sleeve of the present invention.
Description of reference numerals:
1. heat-shrinkable PVC tubing; 21. an outer tube; 22. an inner side supporting seat; 221. a central bore; 222. an outer aperture; 3. a silicon rubber wear-resistant sleeve; 4. an insulating coating layer; 5. an outer side line; 6. an inner side line; 7. an insulating seal tube; 71. a slot; 72. and a through hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to fig. 1, a galvanized steel strand for a cable comprises a steel strand body and a heat-shrinkable PVC sleeve 1 coated outside the steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands; the central strand and the outer strand are respectively formed by twisting a central line 6 and six outer side wires 5, the central line 6 and the six outer side wires 5 are respectively made of galvanized steel wires, the six outer side wires 5 are twisted in the forward direction, the outer side of each outer strand is provided with a silicon rubber wear-resistant sleeve 3, and the outer side of each galvanized steel wire is coated with an insulating coating layer 4. The galvanized steel strand comprises a steel strand body and a steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands, and the central strand and the six outer strands are formed by twisting galvanized steel wires, so that the insulating property is good; and the outer sides of the galvanized steel wires are coated with insulating coating layers 4, so that the insulating property is improved; meanwhile, due to the arrangement of the polyurethane layer, the waterproof performance of the steel strand is greatly improved, and the steel strand is more suitable for outdoor environment.
In a further embodiment, as shown in fig. 2, the polyurethane layer comprises an outer tube 21 with a cylindrical cavity structure and a plurality of inner supporting seats 22 uniformly arranged in the outer tube 21, the inner supporting seats 22 are provided with a central hole 221 for passing through the central strand and outer holes 222 for passing through the outer strands uniformly arranged outside the central hole 221 at the central position; through the outside pipe 21 and the even a plurality of inside supporting seat 22 of arranging in outside pipe 21 of the cylindric cavity structure of polyurethane layer, be provided with centre bore 221 and a plurality of outside hole 222 in the inside supporting seat 22, play fabulous supporting role to centre thigh and outside thigh, prevent in the long-term use, phenomenon such as deformation appears in the cable.
Wherein, the thickness of the outer side pipe 21 of the polyurethane layer is 4mm, and the thickness of the inner side supporting seat 22 is 1 cm.
Preferably, the polyurethane layer is formed by splicing a plurality of sections, an insulating sealing sleeve 7 is arranged at the splicing position of each two sections of polyurethane layers, and the plurality of sections of polyurethane layers are spliced.
As shown in fig. 3, two sides of the insulating sealing sleeve 7 are provided with slots 71 for inserting the outer side pipes 21 of the polyurethane layer, the insulating sealing sleeve 7 is made of a telescopic sealing material, and the insulating sealing sleeve 7 is provided with through holes 72 for passing through the central strand and the outer side strands. Through the arrangement of the insulating sealing sleeve 7, the connection between every two sections is convenient, the production efficiency is high, and the phenomenon of water leakage is not easy to occur.
In a further embodiment, the thickness specification of the galvanized layer on the surface of the galvanized steel wire is more than or equal to 120g/m2。
In a further embodiment, each of said galvanized steel wires has a diameter of 0.9 ± 0.1 mm.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A galvanized stranded wire for a cable is characterized in that: the steel strand comprises a steel strand body and a thermal shrinkage PVC sleeve coated outside the steel strand body, wherein the steel strand body comprises a central strand, six outer strands arranged outside the central strand and a polyurethane layer coated outside the six outer strands; the central strand and the outer strand are twisted by a central line and six outer side lines, the central line and the six outer side lines are galvanized steel wires, the six outer side lines are twisted in the forward direction, the outer side of each outer strand is provided with a silicon rubber wear-resistant sleeve, and the outer side of each galvanized steel wire is coated with an insulating coating layer.
2. The galvanized stranded wire for cables as claimed in claim 1, wherein: the polyurethane layer includes the outside pipe of cylindric cavity structure and evenly arranges a plurality of inside supporting seat in the outside pipe, the central point of inside supporting seat puts and is provided with the centre bore that supplies the central thigh to pass and evenly arranges the outside hole that supplies the outside thigh to pass in the centre bore outside.
3. The galvanized stranded wire for cables as claimed in claim 2, wherein: the thickness of the outer side pipe of the polyurethane layer is 4mm, and the thickness of the inner side supporting seat is 1 cm.
4. The galvanized stranded wire for cables as claimed in claim 2, wherein: the polyurethane layer is formed by splicing a plurality of sections, and an insulating sealing sleeve is arranged at the splicing position of each two sections of polyurethane layers.
5. A galvanized stranded wire for cables as claimed in claim 4, characterized in that: the two sides of the insulating sealing sleeve are provided with slots for inserting the outer side pipes of the polyurethane layer, and the insulating sealing sleeve is made of telescopic sealing materials.
6. The galvanized stranded wire for cables as claimed in claim 1, wherein: the thickness specification of the galvanized layer on the surface of the galvanized steel wire is more than or equal to 120g/m2。
7. The galvanized stranded wire for cables as claimed in claim 1, wherein: the diameter of each galvanized steel wire is 0.9 +/-0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176653.1U CN209836657U (en) | 2018-12-25 | 2018-12-25 | Galvanized steel strand for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176653.1U CN209836657U (en) | 2018-12-25 | 2018-12-25 | Galvanized steel strand for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209836657U true CN209836657U (en) | 2019-12-24 |
Family
ID=68900333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822176653.1U Expired - Fee Related CN209836657U (en) | 2018-12-25 | 2018-12-25 | Galvanized steel strand for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209836657U (en) |
-
2018
- 2018-12-25 CN CN201822176653.1U patent/CN209836657U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |