CN200976397Y - 铁路接地用地线接头 - Google Patents
铁路接地用地线接头 Download PDFInfo
- Publication number
- CN200976397Y CN200976397Y CN 200620035352 CN200620035352U CN200976397Y CN 200976397 Y CN200976397 Y CN 200976397Y CN 200620035352 CN200620035352 CN 200620035352 CN 200620035352 U CN200620035352 U CN 200620035352U CN 200976397 Y CN200976397 Y CN 200976397Y
- Authority
- CN
- China
- Prior art keywords
- seal
- sheath
- earth connection
- railway
- welding joint
- 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
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- 238000003466 welding Methods 0.000 claims abstract description 36
- 238000002844 melting Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000002788 crimping Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 210000001503 Joints Anatomy 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
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- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型公开了一种铁路接地用地线接头。本实用新型包括两地线端头的绞线对接熔焊后形成的熔焊头、两端分别与两地线接头处的护套密封连接的密封套。密封连接为过盈配合连接、压接、粘接或经密封件连接。本实用新型中密封套与地线的护套盈配合连接、压接、粘接，或利用密封件密封连接，牢固可靠，密封性好，不透气不透水；熔焊头为熔化成形，无气孔和其他缺陷；熔焊头是经绞线对接熔焊后形成的，不需要另加其它材质，电传导性能高；由于熔焊头是经绞线对接熔焊后形成的，两地线端头的护套连接有密封套，机械强度即抗拉强度高；且本实用新型具有高耐腐蚀性，使用寿命长。
Description
技术领域
本实用新型涉及一种铁路接地线缆，尤其涉及一种主要适用于铁路线缆连接的铁路接地用地线接头。
背景技术
现有铁路接地用地线接头主要采用夹块夹紧连接、套筒紧压连接和捆扎锡焊连接三种。夹块夹紧连接是由两块外形基本相同，两边各开有一条圆弧槽，两圆弧槽之间开有两个圆孔(安装螺栓用)的夹块连接而成，连接时将两根缆线的端头各放入一条圆弧槽，扣上第二块，再将紧固用螺栓插入圆孔并配上螺母用扳手拧紧，这种连接方式，结头机械强度较高，但其电性能是靠缆线表面与夹块圆弧槽接触通过夹块体传导至另一根缆线，电性能效果不佳。套管筒紧压连接是先将缆线线端头剥去一定长度的铝护套，再将露出的铜芯线头成对称的插入铜套管预定的位置后，在预定的位置用压线钳进行强挤压将铜套管和铜芯线紧固连接起来，后再将铝套管成对称的套入已连接好的铜套管部位，用同样方法将铝套管与铝护套挤压连接在一起，这种连接方式中，电传导性能的好坏是由缆线头与套管强压成六方部位的局部表面接触的多少和接触的面积以及接触的可靠性来决定，地线接头机械强度较低。捆扎锡焊连接是将两根需连接的缆线端头搭接一定长度，用细铜线在搭接处进行密排缠绕至搭接长度，后再用锡焊方法将已缠绕好的部分全部满焊，使缠绕的细铜线与缆线表面通过锡焊连接成一个整体节，由于细铜线的缠绕紧度有限，加上锡焊的粘覆强度不高，密封效果不佳，地线接头机械强度性能不高。
发明内容
本实用新型的目的在于克服现有铁路接地用地线接头存在的上述问题，提供一种电性能强、机械强度高、密封性能好的铁路接地用地线接头。
为实现上述目的，本实用新型采用的技术方案如下：一种铁路接地用地线接头，其特征在于：包括两地线端头的绞线对接熔焊后形成的熔焊头、两端分别与两地线接头处的护套密封连接的密封套。
所述密封连接为过盈配合连接、压接或粘接。
所述密封连接为经密封件连接。
所述密封套为金属套，护套为有色金属或高分子材料套，绞线为铜铰线或铁绞线。
本实用新型的优点在于：本实用新型中密封套与地线的护套盈配合连接、压接、粘接，或利用密封件密封连接，牢固可靠，密封性好，不透气不透水；熔焊头为熔化成形，无气孔和其他缺陷；熔焊头是经绞线对接熔焊后形成的，不需要另加其它材质，电传导性能高；由于熔焊头是经绞线对接熔焊后形成的，两地线端头的护套连接有密封套，机械强度即抗拉强度高；且本实用新型具有高耐腐蚀性，使用寿命长。
附图说明
图1为本实用新型结构示意图具体实施方式实施例1本实用新型的最佳实施例为：一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。所述密封连接为过盈配合连接，密封套4为铜套，护套3为铝套，绞线1为铜绞线。
本实用新型中，施工时先将接头处的铜绞线熔焊后形成熔焊头2，再将密封套4两端与接头处的铝护套过盈配合连接。本实用新型采用的密封套4即铜套结构简单，一般机床即可加工而成。
本实用新型中密封套4与地线的护套3盈配合连接、压接、粘接，或利用密封件密封连接，牢固可靠，密封性好，不透气不透水；熔焊头2为熔化成形，无气孔和其他缺陷；熔焊头2是经绞线1对接熔焊后形成的，不需要另加其它材质，电传导性能高；由于熔焊头2是经绞线1对接熔焊后形成的，两地线端头的护套3连接有密封套4，机械强度即抗拉强度高；且本实用新型具有高耐腐蚀性，使用寿命长。
实施例2一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。所述密封连接为过压接，密封套4为铜套，护套3为铝套，绞线1为铜铰线。
实施例3一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。密封连接为粘接，密封套4为钢套，护套3为铝套，绞线1为铁绞线。
实施例4一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。密封连接为经密封件连接，密封套4为铜套，护套3为铝套，绞线1为铜铰线。
实施例5
一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。密封连接为过盈配合连接，密封套4为钢套，护套3为铝套，绞线1为铁绞线。
实施例6一种铁路接地用地线接头，包括两地线端头的绞线对接熔焊后形成的熔焊头、两端分别与两地线接头处的护套密封连接的密封套。密封连接为压接，密封套为钢套，护套为铝套，绞线为铁绞线。
实施例7一种铁路接地用地线接头，包括两地线端头的绞线1对接熔焊后形成的熔焊头2、两端分别与两地线接头处的护套3密封连接的密封套4。所述密封连接为经密封件连接，密封套4为钢套，护套3为铝套，绞线1为铁绞线。
显然，本领域的普通技术人员根据所掌握的技术知识和惯用手段，根据以上所述内容，还可以做出不脱离本实用新型基本技术思想的多种形式，这些形式上的变换均在本实用新型的保护范围之内。
Claims (4)
1.一种铁路接地用地线接头，其特征在于：包括两地线端头的绞线(1)对接熔焊后形成的熔焊头(2)、两端分别与两地线接头处的护套(3)密封连接的密封套(4)。
2.根据权利要求1所述的铁路接地用地线接头，其特征在于：所述密封连接为过盈配合连接、压接或粘接。
3.根据权利要求1或2所述的铁路接地用地线接头，其特征在于：所述密封连接为经密封件连接。
4.根据权利要求1所述的铁路接地用地线接头，其特征在于：所述密封套(4)为金属套，护套(3)为有色金属或高分子材料套，绞线(1)为铜铰线或铁绞线。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377029A (zh) * | 2010-08-20 | 2012-03-14 | 上海市高桥电缆厂有限公司 | 铝管接地连接器结构 |
| CN105409078A (zh) * | 2013-07-02 | 2016-03-16 | Cmp产品有限公司 | 电缆密封套 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377029A (zh) * | 2010-08-20 | 2012-03-14 | 上海市高桥电缆厂有限公司 | 铝管接地连接器结构 |
| CN105409078A (zh) * | 2013-07-02 | 2016-03-16 | Cmp产品有限公司 | 电缆密封套 |
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