WO2014110946A1 - 特高压带电作业用绝缘软拉棒 - Google Patents
特高压带电作业用绝缘软拉棒 Download PDFInfo
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- WO2014110946A1 WO2014110946A1 PCT/CN2013/088453 CN2013088453W WO2014110946A1 WO 2014110946 A1 WO2014110946 A1 WO 2014110946A1 CN 2013088453 W CN2013088453 W CN 2013088453W WO 2014110946 A1 WO2014110946 A1 WO 2014110946A1
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- high voltage
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- pulling handle
- rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
Definitions
- the present invention relates to an ultra-high voltage live working tool, and more particularly to an insulated soft pull bar for extra high voltage live working. Background technique
- the transmission line inspection mostly uses a hard insulating pull rod
- the hard insulating pull rod generally includes a pull rod body, and one end of the pull rod body is respectively connected with one end.
- the body of the rod is made of thermal polymerization of organic glass fiber and epoxy phenolic resin, so that the body of the rod is a rigid rod.
- the length of the rod body will reach 10m or more under the UHV level, which is inconvenient to transport, such as the segmented design, which will lead to the tensile strength of the rod body. reduce. Summary of the invention
- An object of the present invention is to provide an insulated soft draw bar for UHV live working with convenient transportation and high tensile strength in order to overcome the deficiencies of the above background art.
- the present invention provides an insulated soft pull bar for an ultra-high voltage live working operation, comprising a pull rod body, wherein one end of the pull rod body is respectively connected with one end, and the pull rod body is at least two soft The fiber is stranded, and the outer layer of the body of the rod is provided with an outer protective insulating layer.
- the utility model can manufacture the rod body by using soft fiber, so that the rod can be coiled as needed, which is convenient for transportation and light in weight and high in tensile strength; meanwhile, the outer composite insulating layer is added on the outer layer of the rod body
- the rod has better insulation properties and also protects soft fibers.
- the outer layer of the tip is also provided with an outer protective insulating layer.
- the outer complex insulating protective layer is a SEBS thermoplastic elastomer material
- the SEBS thermoplastic elastomer material is an ethylene-butene copolymer obtained by hydrogenating polybutadiene with polystyrene as a terminal segment.
- the outer composite insulating protective layer further comprises a moisture-proof additive and a pigment additive, and the weight percentage of the moisture-proof additive and the pigment additive is 1-2% and 0.5, respectively, of the weight of the SEBS thermoplastic elastomer material. ⁇ 1.5%.
- the moisture-proof additive is PFA340 DuPont, USA, and the pigment additive is a fast-fast red BBN.
- the added moisture-proof additive makes the present rod have water repellency and excellent electrical insulation; the pigment additive avoids the soft fiber being exposed to light without affecting the electrical insulation performance of the rod. transsexual.
- the raw material of the soft fiber is polyparaphenylene benzobisoxazole, and the preparation method thereof is as follows:
- the drying temperature is 130 to 180 ° C, and the drying time is 3 to 5 hours.
- the rod body is made by using soft fiber, so that the rod can be coiled as needed, convenient for transportation, light in weight and high in tensile strength; meanwhile, the outer layer of the rod body is externally added
- the composite insulating layer provides the present rod with better insulation performance and also protects the soft fiber; on the other hand, the added moisture-proof additive makes the rod have water repellency and excellent electrical insulation;
- the additive avoids denaturation of the soft fiber by illumination without affecting the electrical insulation properties of the pull rod; finally, by surface roughening and impregnating the silane couple by the polyparaphenylene benzobisoxazole
- the bonding agent provides the soft fiber with excellent electrical insulation properties.
- Figure 1 is a schematic structural view of the present invention
- Figure 2 is a schematic cross-sectional view taken along line A-A of Figure 1;
- Figure 3 is a schematic view showing the structure of the coiled state of the present invention.
- the pull rod body 1 the soft fiber la, the end 2, the outer complex insulation layer 3.
- the present embodiment provides an insulated soft pull bar for an ultra-high voltage live working operation, comprising a pull rod body 1 , wherein the two ends of the pull rod body 1 are respectively connected with a terminal 2 , and the pull rod body 1 is at least two soft
- the fiber la is stranded, and the outer layer of the pull rod body 1 is provided with an outer protective insulating layer 3.
- the rod body 1 is manufactured by using the soft fiber la, so that the rod can be coiled as needed, which is convenient for transportation and light in weight and high in tensile strength; meanwhile, the outer layer of the rod body 1 is externally insulated.
- the protective layer 3 provides the present rod with better insulation properties and also protects the soft fibers la.
- the outer layer of the tip 2 is also provided with an outer protective insulating layer 3.
- the outer composite insulating protective layer 3 is a SEBS thermoplastic elastomer material, and the SEBS thermoplastic elastomer material is a polystyrene end segment, and the ethylene-butene copolymer obtained by hydrogenating polybutadiene is an intermediate elastic block. Linear tri-inlaid copolymer.
- the outer protective insulating layer 3 further contains a moisture-proof additive and a pigment additive, and the weight percentage of the moisture-proof additive and the pigment additive is 1 to 2% and 0.5 to 1.5%, respectively, of the weight of the SEBS thermoplastic elastomer material.
- the moisture-proof additive is PFA340 DuPont, USA, and the pigment additive is a fast-fast red BBN.
- the added moisture-proof additive makes the present rod have water repellency and excellent electrical insulation; the pigment additive avoids the soft fiber la from being irradiated without affecting the electrical insulation performance of the pull rod. Transgender.
- the raw material of the soft fiber la is polyparaphenylene benzobisoxazole, and the preparation method thereof is as follows:
- the impregnated polyparaphenylene benzo diepoxide After drying the impregnated polyparaphenylene benzo diepoxide, it is dried in a dry box to obtain the soft fiber la.
- the drying temperature is 130 ⁇ 180 °C, and the drying time is 3 ⁇ 5h.
- the obtained soft fiber la and the SEBS thermoplastic elastomer material are passed. Extrusion molding into a unitary structure; then, the end 2 is respectively placed at both ends of the monolithic structure, and the end 2 is insulated; finally, at the end by a compression molding process
- the outer layer of the first 2 also forms a protective layer 3 of outer insulating insulation.
- the invention manufactures the rod body 1 by using the soft fiber la, so that the rod can be coiled as needed, is convenient to transport and has light weight and high tensile strength; meanwhile, the outer layer of the rod body 1 is externally added
- the composite insulating protective layer 3 has better insulating properties for the present pull rod, and also protects the soft fiber la; the added moisture-proof additive makes the present pull rod have water repellency and excellent electrical insulation; Under the premise of not affecting the electrical insulation performance of the present pull rod, the soft fiber la is prevented from being denatured by illumination; by surface roughening and impregnating the silane coupling agent with the polyparaphenylene benzobisoxazole, The soft fiber is provided with excellent electrical insulation properties.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
Abstract
一种特高压带电作业用绝缘软拉棒，包括拉棒本体（1），拉棒本体两端分别连接有一个端头（2），拉棒本体至少由两根软质纤维（1a）绞合而成，拉棒本体外层设有外覆绝缘保护层。利用软质纤维制造的拉棒本体可根据需要进行盘绕，便于运输且重量轻、抗拉强度高；同时，拉棒本体外层加设的外覆绝缘保护层使拉棒具备了更好的绝缘性能，保护了软质纤维，适于输电线路的检修。
Description
特高压带电作业用绝缘软拉棒
技术领域
本发明涉及一种特高压带电作业工具， 特别是涉及一种特高压带电作业用绝缘软拉 棒。 背景技术
随着电力工业的飞速发展， 我国首条特高压示范工程——晋东南至荆门 1000kV特 高压交流输电示范工程于 2009年 1月 16日投运，向家坝至上海 ±800kV特高压直流输电 示范工程于 2010年 7月 8 日成功投运， 充分显示我国电网步入特高压时代。
在本发明提出之前， 输电线路检修大多釆用硬质绝缘拉棒， 所述硬质绝缘拉棒一般 包括拉棒本体， 所述拉棒本体两端分别连接有一个端头。 其中， 所述拉棒本体由有机玻 璃纤维与环氧酚醛树脂热聚合制成， 因此所述拉棒本体为硬质拉棒。 但随着特高压技术 的快速发展， 在特高压等级下所述拉棒本体的长度将达到 10m以上， 不便于运输， 如釆 用分段设计， 又会导致所述拉棒本体的抗拉强度降低。 发明内容
本发明的目的是为了克服上述背景技术的不足， 提供一种运输方便且抗拉强度高的 特高压带电作业用绝缘软拉棒。 为了实现以上目的， 本发明提供的一种特高压带电作业用绝缘软拉棒， 包括拉棒本 体， 所述拉棒本体两端分别连接有一个端头， 所述拉棒本体至少由两根软质纤维绞合而 成， 所述拉棒本体外层设有外复绝缘保护层。 通过釆用软质纤维制造拉棒本体， 这样本 拉棒可根据需要进行盘绕， 便于运输且重量轻、 抗拉强度高； 同时， 所述拉棒本体外层 加设的外复绝缘保护层使本拉棒具备了更好的绝缘性能， 也保护了软质纤维。
在上述方案中， 所述端头外层也设有外复绝缘保护层。
在上述方案中， 所述外复绝缘保护层为 SEBS热塑性弹性体材料， 所述 SEBS热塑 性弹性体材料是以聚苯乙烯为末端段，以聚丁二烯加氢得到的乙烯-丁烯共聚物为中间弹
性嵌段的线性三嵌共聚物。
在上述方案中， 所述外复绝缘保护层中还含有防潮湿添加剂和颜料添加剂， 所述防 潮湿添加剂和颜料添加剂的重量百分比分别为所述 SEBS 热塑性弹性体材料重量的 1~2%和 0.5~1.5%。 所述防潮湿添加剂为 PFA340美国杜邦， 所述颜料添加剂为耐晒大红 BBN。 添加的所述防潮湿添加剂使本拉棒具有憎水性和优良的电绝缘性； 所述颜料添加 剂在不影响本拉棒电绝缘性能的前提下， 避免了所述软质纤维受到光照而产生的变性。
在上述方案中， 所述软质纤维的原料为聚对苯撑苯并二恶唑， 其制造方法为：
( 1 )将所述聚对苯撑苯并二恶唑用无水乙醇清洗后， 再浸泡在无水乙醇中 20~28h, 这样能有效地粗化所述聚对苯撑苯并二恶唑表层， 以便后续浸渍的效果更好；
( 2 )将浸泡后的聚对苯撑苯并二恶唑用蒸馏水清洗后， 再置于干燥箱中烘干；
( 3 )将烘干后的聚对苯撑苯并二恶唑放入硅烷偶联剂中浸渍 10~14h, 所述硅烷偶 联剂为 KH-560硅烷偶联剂，这样能使所述聚对苯撑苯并二恶唑具备优良的电绝缘性能；
( 4 )将浸渍后的聚对苯撑苯并二恶晾干后， 再置于干燥箱中烘干， 即得到所述软质 纤维。
在上述方案中， 所述烘干温度为 130~180°C , 烘干时间为 3~5h。
本发明一方面，通过釆用软质纤维制造拉棒本体，这样本拉棒可根据需要进行盘绕， 便于运输且重量轻、 抗拉强度高； 同时， 所述拉棒本体外层加设的外复绝缘保护层使本 拉棒具备更好的绝缘性能， 也保护了软质纤维； 另一方面， 添加的所述防潮湿添加剂使 本拉棒具有憎水性和优良的电绝缘性； 所述颜料添加剂在不影响本拉棒电绝缘性能的前 提下， 避免了所述软质纤维受到光照而产生变性； 最后， 通过对所述聚对苯撑苯并二恶 唑进行表面粗化和浸渍硅烷偶联剂， 使所述软质纤维具备了优良的电绝缘性能。
本发明与现有技术对比， 充分显示其优越性在于： 携带运输方便， 重量轻且抗拉强 度高等。 附图说明
图 1为本发明的结构示意图；
图 2为沿图 1中 A-A线的截面结构示意图;
图 3为本发明的盘绕状态结构示意图。
图中： 拉棒本体 1 , 软质纤维 la, 端头 2, 外复绝缘保护层 3。 具体实施方式
下面结合附图及实施例对本发明作进一步的详细描述， 但该实施例不应理解为对本 发明的限制。
本实施例提供一种特高压带电作业用绝缘软拉棒， 包括拉棒本体 1 ,所述拉棒本体 1 两端分别连接有一个端头 2, 所述拉棒本体 1至少由两根软质纤维 la绞合而成， 所述拉 棒本体 1外层设有外复绝缘保护层 3。 通过釆用软质纤维 la制造拉棒本体 1 , 这样本拉 棒可根据需要进行盘绕， 便于运输且重量轻、 抗拉强度高； 同时， 所述拉棒本体 1外层 加设的外复绝缘保护层 3使本拉棒具备了更好的绝缘性能， 也保护了软质纤维 la。 所述 端头 2外层也设有外复绝缘保护层 3。
上述外复绝缘保护层 3为 SEBS热塑性弹性体材料， 所述 SEBS热塑性弹性体材料 是以聚苯乙烯为末端段，以聚丁二烯加氢得到的乙烯-丁烯共聚物为中间弹性嵌段的线性 三嵌共聚物。 所述外复绝缘保护层 3中还含有防潮湿添加剂和颜料添加剂， 所述防潮湿 添加剂和颜料添加剂的重量百分比分别为所述 SEBS热塑性弹性体材料重量的 1~2%和 0.5~1.5%。 所述防潮湿添加剂为 PFA340美国杜邦， 所述颜料添加剂为耐晒大红 BBN。 添加的所述防潮湿添加剂使本拉棒具有憎水性和优良的电绝缘性； 所述颜料添加剂在不 影响本拉棒电绝缘性能的前提下， 避免了所述软质纤维 la受到光照而产生的变性。
上述方案中， 所述软质纤维 la的原料为聚对苯撑苯并二恶唑， 其制造方法为：
( 1 )将所述聚对苯撑苯并二恶唑用无水乙醇清洗后， 再浸泡在无水乙醇中 20~28h, 这样能有效地粗化所述聚对苯撑苯并二恶唑表层， 以便后续浸渍的效果更好；
( 2 )将浸泡后的聚对苯撑苯并二恶唑用蒸馏水清洗后， 再置于干燥箱中烘干， 所述 烘干温度为 130~180°C , 烘干时间为 3~5h;
( 3 )将烘干后的聚对苯撑苯并二恶唑放入硅烷偶联剂中浸渍 10~14h, 所述硅烷偶 联剂为 KH-560硅烷偶联剂，这样能使所述聚对苯撑苯并二恶唑具备优良的电绝缘性能；
( 4 )将浸渍后的聚对苯撑苯并二恶晾干后， 再置于干燥箱中烘干， 即得到所述软质 纤维 la。 所述烘干温度为 130~180°C , 烘干时间为 3~5h。
具体生产时， 首先， 将制得的所述软质纤维 la与所述 SEBS热塑性弹性体材料通过
挤塑复合成型为整体式结构； 然后， 在所述整体式结构的两端分别置入所述端头 2, 并 对所述端头 2进行绝缘处理； 最后， 通过压塑工艺在所述端头 2外层也形成一层外复绝 缘保护层 3即可。
本发明通过釆用软质纤维 la制造拉棒本体 1 , 这样本拉棒可根据需要进行盘绕， 便 于运输且重量轻、 抗拉强度高； 同时， 所述拉棒本体 1外层加设的外复绝缘保护层 3使 本拉棒具备更好的绝缘性能， 也保护了软质纤维 la; 添加的所述防潮湿添加剂使本拉棒 具有憎水性和优良的电绝缘性； 所述颜料添加剂在不影响本拉棒电绝缘性能的前提下， 避免了所述软质纤维 la受到光照而产生变性；通过对所述聚对苯撑苯并二恶唑进行表面 粗化和浸渍硅烷偶联剂， 使所述软质纤维具 la备了优良的电绝缘性能。
以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的精神和原 则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。
Claims
1、 一种特高压带电作业用绝缘软拉棒， 包括拉棒本体， 所述拉棒本体两端分别连接 有一个端头， 其特征在于， 所述拉棒本体至少由两根软质纤维绞合而成， 所述拉棒本体 外层设有外复绝缘保护层。
2、如权利要求 1所述的特高压带电作业用绝缘软拉棒， 其特征在于， 所述端头外层 也设有外复绝缘保护层。
3、如权利要求 1或 2所述的特高压带电作业用绝缘软拉棒， 其特征在于， 所述外复 绝缘保护层为 SEBS热塑性弹性体材料， 所述 SEBS热塑性弹性体材料是以聚苯乙烯为 末端段， 以聚丁二烯加氢得到的乙烯-丁烯共聚物为中间弹性嵌段的线性三嵌共聚物。
4、如权利要求 3所述的特高压带电作业用绝缘软拉棒， 其特征在于， 所述外复绝缘 保护层中还含有防潮湿添加剂和颜料添加剂， 所述防潮湿添加剂和颜料添加剂的重量百 分比分别为所述 SEBS热塑性弹性体材料重量的 1~2%和 0.5~1.5%。
5、如权利要求 1或 2所述的特高压带电作业用绝缘软拉棒，所述软质纤维的原料为 聚对苯撑苯并二恶唑， 其制造方法为：
( 1 )将所述聚对苯撑苯并二恶唑用无水乙醇清洗后， 再浸泡在无水乙醇中 20~28h;
( 2 )将浸泡后的聚对苯撑苯并二恶唑用蒸馏水清洗后， 再置于干燥箱中烘干； ( 3 )将烘干后的聚对苯撑苯并二恶唑放入硅烷偶联剂中浸渍 10~14h;
( 4 )将浸渍后的聚对苯撑苯并二恶晾干后， 再置于干燥箱中烘干， 即得到所述软质 纤维。
6、如权利要求 5所述的特高压带电作业用绝缘软拉棒， 其特征在于， 所述烘干温度 为 130~180°C , 烘干时间为 3~5h。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022606 CN203193180U (zh) | 2013-01-16 | 2013-01-16 | 特高压带电作业用绝缘软拉棒 |
| CN201320022606.6 | 2013-01-16 | ||
| CN2013100159742A CN103078269A (zh) | 2013-01-16 | 2013-01-16 | 特高压带电作业用绝缘软拉棒 |
| CN201310015974.2 | 2013-01-16 |
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| Publication Number | Publication Date |
|---|---|
| WO2014110946A1 true WO2014110946A1 (zh) | 2014-07-24 |
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| PCT/CN2013/088453 Ceased WO2014110946A1 (zh) | 2013-01-16 | 2013-12-03 | 特高压带电作业用绝缘软拉棒 |
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| WO (1) | WO2014110946A1 (zh) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003189433A (ja) * | 2001-12-19 | 2003-07-04 | Kyushu Electric Power Co Inc | 配電線工事施工法とそれに使用する工具 |
| CN1895113A (zh) * | 2005-07-13 | 2007-01-17 | 甘肃省电力公司兰州供电公司 | 绝缘手套 |
| CN201570810U (zh) * | 2009-11-25 | 2010-09-01 | 国网电力科学研究院 | 一种带电作业软质绝缘提线工具 |
| CN201937206U (zh) * | 2010-12-07 | 2011-08-17 | 江西省电力公司超高压分公司 | 带电更换500kV耐张整串绝缘子通用性工具 |
| CN103078269A (zh) * | 2013-01-16 | 2013-05-01 | 湖北省电力公司检修分公司 | 特高压带电作业用绝缘软拉棒 |
| CN203193180U (zh) * | 2013-01-16 | 2013-09-11 | 国家电网公司 | 特高压带电作业用绝缘软拉棒 |
-
2013
- 2013-12-03 WO PCT/CN2013/088453 patent/WO2014110946A1/zh not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003189433A (ja) * | 2001-12-19 | 2003-07-04 | Kyushu Electric Power Co Inc | 配電線工事施工法とそれに使用する工具 |
| CN1895113A (zh) * | 2005-07-13 | 2007-01-17 | 甘肃省电力公司兰州供电公司 | 绝缘手套 |
| CN201570810U (zh) * | 2009-11-25 | 2010-09-01 | 国网电力科学研究院 | 一种带电作业软质绝缘提线工具 |
| CN201937206U (zh) * | 2010-12-07 | 2011-08-17 | 江西省电力公司超高压分公司 | 带电更换500kV耐张整串绝缘子通用性工具 |
| CN103078269A (zh) * | 2013-01-16 | 2013-05-01 | 湖北省电力公司检修分公司 | 特高压带电作业用绝缘软拉棒 |
| CN203193180U (zh) * | 2013-01-16 | 2013-09-11 | 国家电网公司 | 特高压带电作业用绝缘软拉棒 |
Non-Patent Citations (1)
| Title |
|---|
| LIU, DANDAN ET AL.: "Plasma Modification on PBO Fiber Surface and Interfacial Properties of PBO Fiber", JOURNAL OF SOUTH CHINA UNIVERSITY OF TECHNOLOGY ( NATURAL SCIENCE EDITION, vol. 34, no. 3, March 2006 (2006-03-01), pages 10 - 14 * |
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