CN201188327Y - Compact aluminum-clad steel strand - Google Patents
Compact aluminum-clad steel strand Download PDFInfo
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- CN201188327Y CN201188327Y CNU2007201300352U CN200720130035U CN201188327Y CN 201188327 Y CN201188327 Y CN 201188327Y CN U2007201300352 U CNU2007201300352 U CN U2007201300352U CN 200720130035 U CN200720130035 U CN 200720130035U CN 201188327 Y CN201188327 Y CN 201188327Y
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- clad steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- 239000010410 layer Substances 0.000 claims abstract description 31
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 239000004519 grease Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 2
- 239000011229 interlayer Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
一种紧密型铝包钢绞线，是以单根或者多根常规铝包钢圆单线(1)为芯线，在其外周同心绞合圆形钢芯扇形铝包钢型线(2)或者扇形钢芯扇形铝包钢型线(3)或者扇形铝包钢型线(2、3)与常规铝包钢圆单线分层混合绞合，层间和线间空隙充填防腐油脂。本实用新型广泛应用于各种电压等级的输电线路的架空输电线、架空接地线，更能应用于重覆水、大跨越特殊区域、沿海和海岛等湿热、高盐雾、高污秽要求绞线高耐腐蚀的区域。其优点是结构紧凑、表面光滑、结构紧密度达85％－95％最高达≥95％，风载荷、冰载荷小，绞线直径不变载流量增大。
A compact aluminum-clad steel stranded wire, which uses a single or multiple conventional aluminum-clad steel round single wires (1) as the core wire, and concentrically strands a round steel core fan-shaped aluminum-clad steel profile wire (2) or a fan-shaped steel core fan-shaped aluminum-clad steel profile wire (3) or a fan-shaped aluminum-clad steel profile wire (2, 3) and a conventional aluminum-clad steel round single wire in layers, and fills the interlayer and interwire gaps with anti-corrosion grease. The utility model is widely used in overhead transmission lines and overhead grounding wires of transmission lines of various voltage levels, and can be more used in areas such as heavy water, large span special areas, coastal areas and islands, which are humid, hot, high salt fog, and high pollution and require high corrosion resistance of the stranded wire. The utility model has the advantages of compact structure, smooth surface, structural compactness of 85%-95% and up to ≥95%, small wind load and ice load, and increased current carrying capacity without changing the stranded wire diameter.
Description
技术领域 technical field
本实用新型涉及一种用于架空输电系统的金属裸电线，即紧密型铝包钢绞线。The utility model relates to a bare metal wire used in an overhead power transmission system, that is, a compact aluminum-clad steel strand.
背景技术 Background technique
目前，输电线路中架空电力线和架空地线广泛使用传统的铝包钢绞线是由多根铝包钢圆单线和铝圆单线绞合而成，其中的铝包钢圆单线主要承受架空线的张力，铝圆单线主要担负输送电流任务，因各层绞线的绞向相反，层内相邻线之间均为线接触，而层间相邻线之间为点接触，结构紧密度仅为75％左右，载流量较小，线间的空隙大导致缝隙腐蚀，缩短了绞线的使用寿命，再加上绞线外表面存在圆线线间凹陷，表面易结冰，风载荷和冰载荷大。At present, the traditional aluminum-clad steel stranded wire is widely used in transmission lines for overhead power lines and overhead ground wires. Tension, the aluminum round single wire is mainly responsible for the task of conveying current. Because the stranding directions of each layer of twisted wires are opposite, the adjacent wires in the layer are in line contact, while the adjacent wires in the layers are in point contact, and the structural tightness is only About 75%, the current carrying capacity is small, the gap between the wires is large, which leads to crevice corrosion, which shortens the service life of the stranded wire, and there is a depression between the round wires on the outer surface of the stranded wire, the surface is easy to freeze, wind load and ice load big.
发明内容 Contents of the invention
为了克服现有架空输电线铝包钢绞线结构紧密度低，载流量小、风载荷、冰载荷大等的不足，本实用新型提供一种紧密型铝包钢绞线，使其外表光滑，不易结冰，风载荷冰载荷小，结构紧密度达85～95％甚至可≥95％，在绞线外径不变的情况下增大载流量。In order to overcome the shortcomings of the existing overhead transmission line aluminum-clad steel strand, such as low structural compactness, small carrying capacity, large wind load, and large ice load, the utility model provides a compact aluminum-clad steel strand, which makes its appearance smooth, It is not easy to freeze, the wind load and ice load are small, the structure compactness can reach 85-95% or even ≥95%, and the current-carrying capacity can be increased when the outer diameter of the stranded wire remains unchanged.
本实用新型解决其技术问题所采用的技术方案是：一种紧密型铝包钢绞线，由常规铝包钢圆单线、圆形钢芯扇形铝包钢型线和扇形钢芯扇形铝包钢型线绞合而成，层间和线间空隙充填防腐油脂，其特征是以单根或多根常规铝包钢圆单线为芯线，在其外周同心绞合圆形钢芯扇形铝包钢型线或扇形钢芯扇形铝包钢型线或者混合绞合以上两种扇形铝包钢型线和分层绞合常规铝包钢圆单线；扇形铝包钢型线的横截面扇形的左右相邻边为该扇形的径向线，扇形的内外周边线为弧形线，一层扇形铝包钢型线绞合后的横截面形状为一整体的圆环，其所含扇形铝包钢型线的根数为≥3的正整数；扇形铝包钢型线绞线的层数是单层、双层或者多层；圆形钢芯扇形铝包钢型线和扇形钢芯扇形铝包钢型线两者可以分别单独作为一种绞线，可以各自只作绞线中的一层绞线在层与层间混合绞合，也可以在同一个绞线层中一根间隔一根地相互交替混合绞合，还可以在扇形铝包钢型线绞层的内外与常规铝包钢圆单线分层混合绞合。The technical scheme adopted by the utility model to solve its technical problems is: a compact aluminum-clad steel strand, which is composed of a conventional aluminum-clad steel round single wire, a circular steel core fan-shaped aluminum-clad steel wire and a fan-shaped steel core fan-shaped aluminum-clad steel It is made of twisted shaped wires, and the gaps between layers and wires are filled with anti-corrosion grease. It is characterized by single or multiple conventional aluminum-clad steel round single wires as the core wire, and the circular steel core fan-shaped aluminum-clad steel is concentrically twisted on its outer circumference. Shaped wire or fan-shaped steel core fan-shaped aluminum-clad steel wire or mixed stranding of the above two fan-shaped aluminum-clad steel wires and layered stranded conventional aluminum-clad steel round single wire; the left and right sides of the fan-shaped aluminum-clad steel wire The adjacent side is the radial line of the fan shape, the inner and outer peripheral lines of the fan shape are arc lines, and the cross-sectional shape of a layer of fan-shaped aluminum-clad steel-shaped wires after twisting is a whole ring, and the fan-shaped aluminum-clad steel-shaped wires contained in it are The number of wires is a positive integer ≥ 3; the number of layers of fan-shaped aluminum-clad steel wire strands is single layer, double-layer or multi-layer; circular steel core fan-shaped aluminum-clad steel wire and fan-shaped steel core fan-shaped aluminum-clad steel The two shaped wires can be used as a kind of twisted wire separately, and can be mixed and twisted between layers as only one layer of twisted wire in the twisted wire, or they can be intertwined one by one in the same twisted wire layer. Alternate mixed stranding can also be layered mixed stranding with conventional aluminum-clad steel round single wires inside and outside the fan-shaped aluminum-clad steel-shaped wire stranding layer.
本实用新型的有益效果是结构紧密，表面光滑，结构紧密度混合型达85-95％，纯扇形铝包钢绞线≥95％，不易结冰，风载荷、冰载荷小，绞线外径不变载流量增大，不仅广泛应用于各种电压等级的输电线路的架空输电线和架空接地线，更能应用于重覆冰、大跨越特殊区域，沿海和海岛等湿热、高盐雾、高污秽要求绞线高耐腐蚀的区域。The beneficial effect of the utility model is that the structure is compact, the surface is smooth, the structure compactness is up to 85-95%, the pure fan-shaped aluminum-clad steel strand is more than 95%, it is not easy to freeze, the wind load and ice load are small, and the outer diameter of the strand is The constant ampacity increases, not only widely used in overhead transmission lines and overhead grounding wires of transmission lines of various voltage levels, but also in special areas with heavy ice, large spans, coastal areas and islands, etc. Areas where high contamination requires high corrosion resistance of strands.
附图说明 Description of drawings
下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1-图19是本实用新型各种紧密型铝包钢绞线横截面图。Figures 1-19 are cross-sectional views of various compact aluminum-clad steel strands of the present invention.
在图1-图19中：1.常规铝包钢圆单线，2.圆形钢芯扇形铝包钢型线，3.扇形钢芯扇形铝包钢型线，2与3统称扇形铝包钢型线。In Figure 1-Figure 19: 1. Conventional aluminum-clad steel round single wire, 2. Circular steel core fan-shaped aluminum-clad steel wire, 3. Fan-shaped steel core fan-shaped aluminum-clad steel wire, 2 and 3 are collectively referred to as fan-shaped aluminum-clad steel molding line.
图1-图7纯扇形紧密型铝包钢型线的结构紧密度≥95％，图8-图19混合型紧密型铝包钢型线中在内绞层或外绞层混合绞入常规铝包钢圆单线绞层，其结构紧密度≥85％。在此基础上本实用新型还可以变化出更多种结构形式的紧密型混合铝包钢绞线。Figure 1-Figure 7 The structural compactness of the pure fan-shaped compact aluminum-clad steel wire is ≥95%, and Figure 8-Figure 19 the mixed-type compact aluminum-clad steel wire is mixed with conventional aluminum in the inner stranding layer or outer stranding layer. Baotou round single-wire stranded layer, its structural tightness ≥ 85%. On this basis, the utility model can also change more compact mixed aluminum-clad steel strands with various structural forms.
具体实施方式 Detailed ways
在图1-图19中，一种紧密型铝包钢绞线，由常规铝包钢圆单线(1)、圆形钢芯扇形铝包钢型线(2)和扇形钢芯扇形铝包钢型线(3)绞合而成，其特征是以单根或多根常规铝包钢圆单线(1)为芯线，在其外周同心绞合圆形钢芯扇形铝包钢型线(2)或扇形钢芯扇形铝包钢型线(3)或者混合绞合以上两种扇形铝包钢型线(2、3)和常规铝包钢圆单线(1)，线间间隙充填防腐油脂；扇形铝包钢型线(2、3)的横截面扇形的左右相邻边为该扇形的径向线，扇形的内外周边线为弧形线，一层扇形铝包钢型线(2、3)的根数为≥3的正整数；扇形铝包钢型线(2、3)绞线的层数是单层、双层或者多层；圆形钢芯扇形铝包钢型线(2)和扇形钢芯扇形铝包钢型线(3)两者可以分别单独作为一种绞线(图1、2、4、5)，也可以各自只作绞线中的一层绞线在层与层间混合绞合(图6、7、14、15)，可以在同一绞线层中一根间隔一根地相互交替混合绞合(图3、13)，还可以在扇形铝包钢型线(2、3)绞层的内、外与常规铝包钢圆单线(1)分层混合绞合(图11-图19)。本实用新型在此基础上还可以变化出各种结构形式的紧密型铝包钢绞线。In Figure 1-Figure 19, a compact aluminum-clad steel stranded wire is composed of a conventional aluminum-clad steel round single wire (1), a circular steel core fan-shaped aluminum-clad steel wire (2) and a fan-shaped steel core fan-shaped aluminum-clad steel The shaped wire (3) is stranded, and it is characterized in that one or more conventional aluminum-clad steel round single wires (1) are used as the core wire, and the circular steel core fan-shaped aluminum-clad steel shaped wire (2) is concentrically twisted on its outer circumference ) or fan-shaped steel core fan-shaped aluminum-clad steel wire (3) or mixed stranding of the above two fan-shaped aluminum-clad steel wires (2, 3) and conventional aluminum-clad steel round single wire (1), the gap between the wires is filled with anti-corrosion grease; The left and right adjacent sides of the fan-shaped aluminum-clad steel profile (2, 3) in the cross section are the radial lines of the fan, the inner and outer peripheral lines of the fan are arc lines, and one layer of the fan-shaped aluminum-clad steel profile (2, 3 ) is a positive integer ≥ 3; the number of layers of the fan-shaped aluminum-clad steel wire (2, 3) is single-layer, double-layer or multi-layer; the circular steel-core fan-shaped aluminum-clad steel wire (2) and fan-shaped steel core fan-shaped aluminum-clad steel molded wire (3) can be used as a kind of stranded wire (Fig. Mixed stranding between layers (Figure 6, 7, 14, 15), can alternately mix stranding one by one in the same strand layer (Figure 3, 13), and can also be used in fan-shaped aluminum-clad steel wire (2,3) The inside and outside of the stranded layer are layered and stranded with the conventional aluminum-clad steel round single wire (1) (Fig. 11-Fig. 19). On this basis, the utility model can also change compact aluminum-clad steel strands of various structural forms.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201300352U CN201188327Y (en) | 2007-12-28 | 2007-12-28 | Compact aluminum-clad steel strand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201300352U CN201188327Y (en) | 2007-12-28 | 2007-12-28 | Compact aluminum-clad steel strand |
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| CN201188327Y true CN201188327Y (en) | 2009-01-28 |
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| CNU2007201300352U Expired - Lifetime CN201188327Y (en) | 2007-12-28 | 2007-12-28 | Compact aluminum-clad steel strand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930921A (en) * | 2012-11-09 | 2013-02-13 | 中利科技集团股份有限公司 | Railway linking ground cable |
| CN103383874A (en) * | 2012-05-06 | 2013-11-06 | 河南科信电缆有限公司 | Tightened special-shaped corrosion-resistant optical fiber composition overhead phase conductor |
-
2007
- 2007-12-28 CN CNU2007201300352U patent/CN201188327Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383874A (en) * | 2012-05-06 | 2013-11-06 | 河南科信电缆有限公司 | Tightened special-shaped corrosion-resistant optical fiber composition overhead phase conductor |
| CN102930921A (en) * | 2012-11-09 | 2013-02-13 | 中利科技集团股份有限公司 | Railway linking ground cable |
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