CN201402784Y - 中高压开关熔断器撞针机构 - Google Patents

中高压开关熔断器撞针机构 Download PDF

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CN201402784Y
CN201402784Y CN2009201377599U CN200920137759U CN201402784Y CN 201402784 Y CN201402784 Y CN 201402784Y CN 2009201377599 U CN2009201377599 U CN 2009201377599U CN 200920137759 U CN200920137759 U CN 200920137759U CN 201402784 Y CN201402784 Y CN 201402784Y
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brace
fuse
striker mechanism
striker
switch fuse
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李艺强
冯建兴
王叶生
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XIAMEN XEC ELECTRIC CO Ltd
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XIAMEN XEC ELECTRIC CO Ltd
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Abstract

本实用新型公开了一种中高压开关熔断器撞针机构,由于本实用新型主要由撞针、铰接座、舌片、接头、提升拉杆、连接片和转轴组成,零部件较少,装配后的体积较小;且本实用新型各零部件之间完全通过简单的机械结构进行连接和动力传动,动作稳定、可靠,能够充分满足手车式真空接触器-熔断器组合电器的需要。

Description

中高压开关熔断器撞针机构
技术领域
本实用新型涉及一种配电用的开关装置,特别是涉及一种中高压开关熔断器撞针机构。
背景技术
习用的组合电器为整体式的,体积较大,检修时,需切断总开关,再进行检修,十分不便。为此,业者设计出手车式真空接触器-熔断器组合电器,该手车式真空接触器-熔断器组合电器包含一个具有三个真空灭弧室和一组控制三个真空灭弧室分合闸的控制组件的真空接触器、三个熔断器和一台手车。真空接触器与三个熔断器联接成三相一体装置,并安装在手车上。在该组合电器中,其熔断器撞针机构是中高压开关操纵机构中的重要部件之一,其作用是配合储能机构完成分合闸和脱扣动作,并保证各工作状态的锁定。现有的熔断器撞针机构大多结构较复杂,造成整个机构体积较大、动作可靠性不高,难以满足这种体积较小的手车式真空接触器-熔断器组合电器的需要。
实用新型内容
本实用新型的目的在于提供一种体积较小、动作可靠的中高压开关熔断器撞针机构。
为实现上述目的,本实用新型的技术解决方案是:
本实用新型是一种中高压开关熔断器撞针机构,它主要由撞针、铰接座、舌片、接头、提升拉杆、连接片和转轴组成;所述的铰接座安装在熔断器的一端,铰接座上设有销轴,所述的舌片中部铰接在该销轴上并可围绕该销轴摆动,其一端的内壁与安装在熔断器上的撞针顶靠,另一端与接头顶靠;提升拉杆的上端沿纵向连接在接头上,其下端连接在连接片上;所述的连接片呈直角形,其直角段固定套接在转轴上,其一自由端连接提升拉杆的下端,其另一自由端连接在跳闸拉杆上。
所述的连接片由水平连接片和垂直连接片构成,水平连接片和垂直连接片的内端固接在转轴上。
所述的转轴为方形轴。
采用上述方案后,由于本实用新型主要由撞针、铰接座、舌片、接头、提升拉杆、连接片和转轴组成,零部件较少,装配后的体积较小;且本实用新型各零部件之间完全通过简单的机械结构进行连接和动力传动,动作稳定、可靠,能够充分满足手车式真空接触器-熔断器组合电器的需要。
下面结合附图和具体实施例对本实用新型作进一步的说明。
附图说明
图1是本实用新型的结构示意图;
图2是本实用新型上部安装在手车式真空接触器-熔断器组合电器中的局部剖视图;
图3是本实用新型下部安装在手车式真空接触器-熔断器组合电器中的局部剖视图。
具体实施方式
如图1、图2所示,本实用新型是一种中高压开关熔断器撞针机构,它主要由撞针1、铰接座2、舌片3、接头4、提升拉杆5、连接片6和转轴7组成。
所述的铰接座2安装在熔断器10的一端,铰接座2上设有销轴21,所述的舌片3为等边三角形,中部一脚铰接在该销轴21上并可围绕该销轴21摆动,其一端(三角形的一个等角边)的内壁与安装在熔断器10上的撞针1顶靠,另一端(三角形的另一个等角边)与接头4顶靠;提升拉杆5的上端沿纵向连接在接头4上,其下端连接在连接片6上。
所述的连接片6由水平连接片61和垂直连接片62构成。水平连接片61和垂直连接片62的内端固接在转轴7上且相互垂直,呈直角形,水平连接片61的自由端连接提升拉杆5的下端,垂直连接片62的自由端连接在跳闸拉杆20上(如图3所示)。在本实施例中,转轴7为方形轴,也可采用其它形状,如圆形。
本实用新型的工作原理(如图1参考图3)所示:
熔断器10熔断后,熔断器10撞针1往外撞击,推动舌片3翻转,舌片3围绕销轴21摆动,推动接头4往上移动,接头4带动连接其上的提升拉杆5向上提升,从而带动直角连接片6以转轴7为支店转动,拉动跳闸拉杆20接触器跳闸。

Claims (3)

1、一种中高压开关熔断器撞针机构,其特征在于:它主要由撞针、铰接座、舌片、接头、提升拉杆、连接片和转轴组成;所述的铰接座安装在熔断器的一端,铰接座上设有销轴,所述的舌片中部铰接在该销轴上并可围绕该销轴摆动,其一端的内壁与安装在熔断器上的撞针顶靠,另一端与接头顶靠;提升拉杆的上端沿纵向连接在接头上,其下端连接在连接片上;所述的连接片呈直角形,其直角段固定套接在转轴上,其一自由端连接提升拉杆的下端,其另一自由端连接在跳闸拉杆上。
2、根据权利要求1所述的中高压开关熔断器撞针机构,其特征在于:所述的连接片由水平连接片和垂直连接片构成,水平连接片和垂直连接片的内端固接在转轴上。
3、根据权利要求1或2所述的中高压开关熔断器撞针机构,其特征在于:所述的转轴为方形轴。
CN2009201377599U 2009-04-17 2009-04-17 中高压开关熔断器撞针机构 Expired - Lifetime CN201402784Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106601572A (zh) * 2016-12-16 2017-04-26 天津平高智能电气有限公司 接触器‑熔断器组合电器及其框架

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106601572A (zh) * 2016-12-16 2017-04-26 天津平高智能电气有限公司 接触器‑熔断器组合电器及其框架
CN106601572B (zh) * 2016-12-16 2019-01-15 天津平高智能电气有限公司 接触器-熔断器组合电器及其框架

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