CN203278151U - 一种输电线路杆塔上输电导线用的t形压缩型耐张线夹 - Google Patents
一种输电线路杆塔上输电导线用的t形压缩型耐张线夹 Download PDFInfo
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- CN203278151U CN203278151U CN 201320216929 CN201320216929U CN203278151U CN 203278151 U CN203278151 U CN 203278151U CN 201320216929 CN201320216929 CN 201320216929 CN 201320216929 U CN201320216929 U CN 201320216929U CN 203278151 U CN203278151 U CN 203278151U
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- wire
- aluminum pipe
- drainage
- clamp
- wire clamp
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000007906 compression Methods 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 title abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型公开了一种输电线路杆塔上输电导线用的T形压缩型耐张线夹，包括铝管、钢锚、引流板和引流线夹，铝管横向设置，铝管的左端与钢锚相压接，铝管的右端与导线相压接，钢锚和导线在铝管内部也相压接，引流板的上端为环形的竖向设置的套环，套环套装在铝管中部靠近左端的位置，套环与铝管固定连接，引流板与铝管连接后与铝管相垂直，引流板的下端为竖向设置的开口向下的U形夹扁，夹扁中间开有条形槽，引流线夹包括位于上端的扁平状的线夹接头以及位于下端的圆形的引流管，线夹接头插装在夹扁的条形槽内，线夹接头插装在夹扁的条形槽后与夹扁双面接触，引流管与跳线相压接，通过线夹来实现导线的锚固及导线与跳线之间的接线和引流。
Description
一种输电线路杆塔上输电导线用的T形压缩型耐张线夹
技术领域
[0001] 本实用新型涉及一种电网输电导线用的连接设备，具体是指一种输电线路杆塔上输电导线用的T形压缩型耐张线夹。
背景技术
[0002] 压缩型耐张线夹用来将导线固定在非直线杆塔的耐张绝缘子串上，起锚固作用，同时作为导电体将导线与跳线进行电气接续。目前常用的压缩型耐张线夹，常存在诸如线夹接触面偏小，容易导致因安装因素或螺栓松动造成的接触电阻快速增大而发热的问题，或者线夹中出现机械应力集中的问题，导致线夹的使用效果不太理想，存在一定的安全隐
串
■/Q1、O
实用新型内容
[0003] 本实用新型的目的是提供一种输电线路杆塔上输电导线用的T形压缩型耐张线夹，能够实现输电线路杆塔上输电导线的锚固及导线与跳线之间的接线和引流。
[0004] 本实用新型的上述目的通过如下的技术方案来实现的:一种输电线路杆塔上输电导线用的T形压缩型耐张线夹，其特征在于:所述线夹包括铝管、钢锚、引流板和引流线夹，所述铝管横向设置，铝管的左端与钢锚相压接，铝管的右端与导线相压接，钢锚和导线在铝管内部也相压接，所述引流板为Y形的竖向设置的竖板，引流板的上端为环形的竖向设置的套环，套环套装在铝管中部靠近左端的位置，套环与铝管固定连接，引流板与铝管连接后与铝管相垂直，形成整体为T形结`构的线夹，引流板的下端为竖向设置的开口向下的U形夹扁，夹扁中间开有条形槽，所述引流线夹包括位于上端的扁平状的线夹接头以及位于下端的圆形的引流管，所述线夹接头插装在夹扁的条形槽内，并且通过螺栓与夹扁相连接，线夹接头插装在夹扁的条形槽后与夹扁双面接触，所述引流管与跳线相压接，通过线夹来实现导线的锚固及导线与跳线之间的接线和引流。
[0005] 本实用新型的T形压缩型耐张线夹能够实现输电线路杆塔上输电导线的锚固及导线与跳线之间的接线和引流，同时引流板和引流线夹之间双面接触，增大了接触面积，能够有效降低因安装因素或连接件松动造成的接触电阻快速增大而发热的问题。
[0006] 本实用新型中，所述套环与铝管相焊接。
[0007] 本实用新型中，所述引流板与铝管的焊接点位于铝管中部，这样既减小铝管主体的长度，也减小钢锚的长度，从而优化了耐张线夹的整体结构。
[0008] 与现有技术相比，本实用新型的T形压缩型耐张线夹能够实现输电线路杆塔上输电导线的锚固及导线与跳线之间的接线和引流，并且结构简单、造价低、易于操作，具有很好的应用前景。
附图说明
[0009] 下面结合附图和具体实施方式对本实用新型作进一步详细说明。[0010] 图1是本实用新型线夹的整体结构示意图；
[0011] 图2是图1的左视图；
[0012] 图3是本实用新型线夹中引流板的正视图；
[0013] 图4是图3的侧视图；
[0014] 图5是本实用新型线夹中引流线夹的正视图；
[0015] 图6是图5的侧视图。
[0016] 附图标记说明
[0017] 1、钢铺；2、招管；3、引流板；31、套环；32、夹扁；
[0018] 4、引流线夹；41、线夹接头；42、引流管；
[0019] 5、螺栓；6、焊缝；7、跳线；8、导线。
具体实施方式
[0020] 如图1至图6所示的一种输电线路杆塔上输电导线用的T形压缩型耐张线夹，包 括铝管2、钢锚1、引流板3和引流线夹4，铝管2为横向设置的圆管，铝管2的左端与钢锚I 相压接，铝管2的右端与导线8相压接，钢锚I和导线8在铝管2内部也相压接，引流板3 为Y形的竖向设置的竖板，引流板3的上端为环形的竖向设置的套环31，套环31套装在铝 管2中部靠近左端的位置，套环31与铝管2固定连接，具体固定连接方式为焊接，引流板3 与铝管2连接后与铝管2相垂直，形成整体为T形结构的压缩型耐张线夹，引流板3的下端 为竖向设置的开口向下的U形夹扁32，夹扁32的开口方向倾斜向下，夹扁32的中部开有 竖直向下的条形槽，引流线夹4包括位于上端的扁平状的线夹接头41以及位于下端的圆形 的引流管42，线夹接头41插装在夹扁32的条形槽内，并且通过螺栓5与夹扁32相连接， 线夹接头41插装在夹扁32的条形槽后与夹扁32双面接触，该双面接触增大了引流板3与 引流线夹4之间的接触面积，通过增大电气接触面积可以有效降低因安装因素或螺栓松动 造成的接触电阻快速增大而发热的问题，引流管42与跳线7相压接，通过线夹来实现导线 8的锚固及导线8与跳线7之间的接线和引流。
[0021] 本实施例中，线夹接头41与夹扁32之间通过多颗螺栓5相连接，螺栓头还套装有 螺母，并且还设置有垫圈，增强连接的可靠性。
[0022] 本实施例中，铝管2与导线8之间的压接，以及引流管42与跳线7之间的压接均 采用液压压接方式相压接，该压接方式对本领域技术人员来说属于常规技术手段。
[0023] 本实施例的T形压缩型耐张线夹在使用时将钢锚I挂接在输电线路杆塔的绝缘子 串上，线夹和输电线路杆塔之间是绝缘的，线夹中的部件铝管2、引流板3和引流线夹4均采 用金属导电材料制成，具有良好的导电性能，能够起到导线与跳线之间的接线和引流。
[0024] 本实用新型的上述实施例并不是对本实用新型保护范围的限定，本实用新型实施 方式不限于此，根据本实用新型的上述内容，按照本领域普通技术知识和惯用手段，在不脱 离本实用新型上述基本技术思想前提下，对本实用新型上述结构做出的其它多种形式的修 改、替换或变更，均应落在本实用新型的保护范围之内。
Claims (2)
1.一种输电线路杆塔上输电导线用的T形压缩型耐张线夹，其特征在于:所述线夹包 括铝管(2)、钢锚(I)、引流板(3)和引流线夹(4)，所述铝管(2)横向设置，铝管(2)的左端 与钢锚(I)相压接，铝管(2)的右端与导线(8)相压接，钢锚(I)和导线(8)在铝管(2)内部 也相压接，所述引流板(3)为Y形的竖向设置的竖板，引流板(3)的上端为环形的竖向设置 的套环(31)，套环(31)套装在铝管(2)中部靠近左端的位置，套环(31)与铝管(2)固定连 接，引流板(3)与铝管(2)连接后与铝管(2)相垂直，形成整体为T形结构的耐张线夹，引流 板(3)的下端为竖向设置的开口向下的U形夹扁(32)，夹扁(32)中间开有条形槽，所述引 流线夹(4)包括位于上端的扁平状的线夹接头(41)以及位于下端的圆形的引流管(42)，所 述线夹接头(41)插装在夹扁(32 )的条形槽内，并且通过螺栓(5 )与夹扁(32 )相连接，线夹 接头(41)插装在夹扁(32)的条形槽后与夹扁(32)双面接触，所述引流管(42)与跳线(7) 相压接，通过线夹来实现导线(8)的锚固及导线(8)与跳线(7)之间的接线和引流。
2.根据权利要求1所述的输电线路杆塔上输电导线用的T形压缩型耐张线夹，其特征 在于:所述套环(31)与铝管(2)相焊接。
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