CN204045370U - A kind of distribution transformer structure for installing lightning arrester - Google Patents
A kind of distribution transformer structure for installing lightning arrester Download PDFInfo
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- CN204045370U CN204045370U CN201420520799.2U CN201420520799U CN204045370U CN 204045370 U CN204045370 U CN 204045370U CN 201420520799 U CN201420520799 U CN 201420520799U CN 204045370 U CN204045370 U CN 204045370U
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Abstract
本实用新型公开了一种配电变压器避雷器安装结构，包括一L型的安装支架，安装支架由一矩形的水平板和与该水平板垂直的矩形的竖直板组成，水平板底部左右两侧设有向配电变压器延伸的条形结构的固定板，固定板一端通过螺栓与水平板固定，固定板另一端通过螺栓与配电变压器顶部固定，水平板上平面上层叠固定有矩形的接地铜排，接地铜排与安装支架的水平板、固定板通过螺栓一体固定，水平板沿长度方向安装有避雷器，避雷器的接地脚接设于接地铜排上与接地铜排形成电连接，接地铜排一端垂直设有一接地头，接地头上连接有接地线。本实用新型安装简便，避雷器与接地铜排的结合更紧密，接触电阻更小，可靠性更高。
The utility model discloses a distribution transformer lightning arrester installation structure, which comprises an L-shaped installation bracket. The installation bracket is composed of a rectangular horizontal plate and a rectangular vertical plate perpendicular to the horizontal plate. The left and right sides of the bottom of the horizontal plate are There is a fixed plate with a strip structure extending to the distribution transformer. One end of the fixed plate is fixed to the horizontal plate by bolts, and the other end of the fixed plate is fixed to the top of the distribution transformer by bolts. A rectangular grounding copper plate is stacked and fixed on the horizontal plate. The grounding copper bar, the horizontal plate and the fixing plate of the mounting bracket are integrally fixed by bolts, and the horizontal plate is installed with a lightning arrester along the length direction. One end is vertically provided with a grounding head, and a grounding wire is connected to the grounding head. The utility model has the advantages of simple installation, tighter combination of the lightning arrester and the grounding copper bar, smaller contact resistance and higher reliability.
Description
技术领域technical field
本实用新型属于电力施工领域，尤其涉及配电变压器避雷器安装结构。The utility model belongs to the field of electric power construction, in particular to an installation structure of a distribution transformer lightning arrester.
背景技术Background technique
配变避雷器安装和运行管理中存在的问题较多，烧毁变压器、炸裂避雷器等事故时有发生。传统的避雷器安装结构，三相避雷器之间通过铜芯线和铜压接头连接方式，需要两根铜芯线和4个铜压接头，结构复杂，安装不便，而且由于损坏、击穿、锈蚀等环境下不易安装。There are many problems in the installation and operation management of distribution transformer arresters, and accidents such as burning transformers and bursting arresters occur from time to time. In the traditional installation structure of lightning arresters, three-phase lightning arresters are connected through copper core wires and copper crimping joints, which requires two copper core wires and four copper crimping joints. The environment is not easy to install.
因此，需要改变安装结构和方法，使避雷器的安装方式更加简便易行。Therefore, it is necessary to change the installation structure and method to make the installation of the arrester easier and easier.
实用新型内容Utility model content
本实用新型所要解决的技术问题就是提供一种配电变压器避雷器安装结构，方便安装，可靠性更高。The technical problem to be solved by the utility model is to provide a distribution transformer lightning arrester installation structure, which is convenient for installation and has higher reliability.
为解决上述技术问题，本实用新型采用如下技术方案：一种配电变压器避雷器安装结构，包括一L型的安装支架，所述安装支架由一矩形的水平板和与该水平板垂直的矩形的竖直板组成，所述水平板底部左右两侧设有向配电变压器延伸的条形结构的固定板，所述固定板一端通过螺栓与水平板固定，所述固定板另一端通过螺栓与配电变压器顶部固定，所述水平板上平面上层叠固定有矩形的接地铜排，所述接地铜排与安装支架的水平板、固定板通过螺栓一体固定，所述水平板沿长度方向安装有避雷器，所述避雷器的接地脚接设于接地铜排上与接地铜排形成电连接，所述接地铜排一端垂直设有一接地头，所述接地头上连接有接地线。In order to solve the above technical problems, the utility model adopts the following technical scheme: a distribution transformer arrester installation structure, including an L-shaped installation bracket, the installation bracket is composed of a rectangular horizontal plate and a rectangular rectangular plate perpendicular to the horizontal plate The horizontal plate is composed of vertical plates, and the left and right sides of the bottom of the horizontal plate are provided with a strip-shaped fixed plate extending to the distribution transformer. One end of the fixed plate is fixed to the horizontal plate by bolts, and the other end of the fixed plate is connected to the distribution transformer by bolts The top of the electric transformer is fixed, and a rectangular grounding copper bar is stacked and fixed on the plane of the horizontal plate. The grounding copper bar is integrally fixed with the horizontal plate and the fixing plate of the mounting bracket by bolts, and the horizontal plate is installed with a lightning arrester along the length direction. , the grounding pin of the lightning arrester is connected to the grounding copper bar to form an electrical connection with the grounding copper bar, and one end of the grounding copper bar is vertically provided with a grounding head, and the grounding head is connected with a grounding wire.
优选的，所所述水平板及接地铜排上在对角上对应设有定位孔，定位孔内插接有定位销。Preferably, the horizontal plate and the grounding copper bar are correspondingly provided with positioning holes on opposite corners, and positioning pins are inserted into the positioning holes.
优选的，所述配电变压器邻接接地头设有一向外侧突出的绝缘线夹，所述接地线从接地头引出后穿过绝缘线夹。Preferably, the distribution transformer is provided with an insulated wire clamp protruding outward adjacent to the grounding head, and the grounding wire passes through the insulated wire clamp after being led out from the grounding head.
优选的，所述接地头为接地螺栓。Preferably, the ground joint is a ground bolt.
优选的，所述避雷器为支柱型氧化锌避雷器。Preferably, the arrester is a post type zinc oxide arrester.
本实用新型改进了避雷器安装结构，通过接地铜排代替原有的三相避雷器之间的铜芯线和铜压接头连接结构，三相避雷器的接地脚接设于接地铜排上与接地铜排形成电连接，接地铜排一端垂直设有一接地头，接地头再连接接地线，结构简单合理，只需一根接地铜排，就可以代替原有的两根铜芯线和4个铜压接头，大大节约了现场制作和安装时间，特别是停电抢修时，争分夺秒，使用接地铜排安装能大幅减小停电时间，效果显著，而且由于取消了铜压接头，避雷器与接地铜排的结合更紧密，接触电阻更小，可靠性更高。The utility model improves the installation structure of the lightning arrester, and replaces the connection structure between the copper core wire and the copper pressure joint between the original three-phase lightning arrester through the grounding copper bar. To form an electrical connection, one end of the grounding copper bar is vertically provided with a grounding head, and the grounding head is connected to the grounding wire. The structure is simple and reasonable. Only one grounding copper bar can replace the original two copper core wires and four copper crimping joints , which greatly saves on-site production and installation time, especially when there is a power outage and emergency repairs, it is time to race against time. The installation of the grounding copper bar can greatly reduce the power outage time, and the effect is remarkable. Moreover, due to the cancellation of the copper pressure joint, the combination of the arrester and the grounding copper bar is closer. , smaller contact resistance and higher reliability.
附图说明Description of drawings
下面结合附图和具体实施方式对本实用新型作进一步描述：Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:
图1为本实用新型的正面结构示意图；Fig. 1 is the front structural representation of the utility model;
图2为本实用新型的侧面结构示意图。Fig. 2 is a schematic view of the side structure of the utility model.
具体实施方式Detailed ways
以下结合图1和图2具体说明本实用新型一种配电变压器避雷器安装结构，其包括一L型的安装支架1，所述安装支架1由一矩形的水平板和与该水平板垂直的矩形的竖直板组成，所述水平板底部左右两侧设有向配电变压器延伸的条形结构的固定板11，所述固定板11一端通过螺栓与水平板固定，所述固定板11另一端通过螺栓与配电变压器顶部固定，所述水平板上平面上层叠固定有矩形的接地铜排2，所述接地铜排2与安装支架的水平板、固定板11通过螺栓一体固定，所述水平板沿长度方向安装有避雷器3，所述避雷器3的接地脚接设于接地铜排2上与接地铜排2形成电连接，所述接地铜排2一端垂直设有一接地头21，所述接地头21连接有接地线。The installation structure of a distribution transformer lightning arrester of the present invention will be described in detail below in conjunction with Fig. 1 and Fig. 2, which includes an L-shaped mounting bracket 1, and the mounting bracket 1 consists of a rectangular horizontal plate and a rectangular horizontal plate perpendicular to the horizontal plate. The horizontal plate is composed of a vertical plate, and the left and right sides of the bottom of the horizontal plate are provided with a fixed plate 11 of strip structure extending to the distribution transformer. One end of the fixed plate 11 is fixed to the horizontal plate by bolts, and the other end of the fixed plate 11 is The top of the distribution transformer is fixed by bolts, and a rectangular grounding copper bar 2 is stacked and fixed on the plane of the horizontal plate. The board is installed with a lightning arrester 3 along the length direction. The grounding pin of the lightning arrester 3 is connected to the grounding copper bar 2 to form an electrical connection with the grounding copper bar 2. One end of the grounding copper bar 2 is vertically provided with a grounding head 21. The grounding The head 21 is connected with a ground wire.
由于通过铜排代替原有的三相避雷器之间的铜芯线和铜压接头连接结构，三相避雷器的接地脚接设于接地铜排上与接地铜排形成电连接，接地铜排一端垂直设有一接地头，接地头再连接接地线，结构简单合理，只需一根接地铜排，就可以代替原有的两根铜芯线和4个铜压接头，大大节约了现场制作和安装时间，特别是停电抢修时，争分夺秒，使用接地铜排安装能大幅减小停电时间，效果显著，而且由于取消了铜压接头，避雷器与接地铜排的结合更紧密，接触电阻更小，可靠性更高。Since the connection structure between the copper core wire and the copper pressure joint between the original three-phase arresters is replaced by copper bars, the grounding pins of the three-phase arresters are connected to the grounding copper bars to form an electrical connection with the grounding copper bars, and one end of the grounding copper bars is vertical There is a grounding head, and the grounding head is connected to the grounding wire. The structure is simple and reasonable. Only one grounding copper bar can replace the original two copper core wires and four copper crimping joints, which greatly saves on-site production and installation time. , especially when there is a power outage and emergency repairs, the use of grounding copper bars can greatly reduce the power outage time, and the effect is remarkable. Moreover, due to the cancellation of the copper pressure joint, the combination of the arrester and the grounding copper bar is tighter, the contact resistance is smaller, and the reliability is higher. high.
所述水平板及接地铜排上在对角上对应设有定位孔，定位孔内插接有定位销。先将接地铜排定位后再固定，提高了安装效率，也方便了避雷器的安装。所述配电变压器邻接接地头设有一向外侧突出的绝缘线夹，所述接地线从接地头引出后穿过绝缘线夹，可以定位固定接地线。所述接地头为接地螺栓，方便安装接地线。所述避雷器为支柱型氧化锌避雷器。Positioning holes are correspondingly arranged on opposite corners of the horizontal plate and the grounding copper bar, and positioning pins are inserted into the positioning holes. The grounding copper bar is firstly positioned and then fixed, which improves the installation efficiency and facilitates the installation of the arrester. The distribution transformer is adjacent to the grounding head and is provided with an insulating wire clamp protruding outward, and the grounding wire passes through the insulating wire clamp after being led out from the grounding head, so that the grounding wire can be positioned and fixed. The ground head is a ground bolt, which is convenient for installing the ground wire. The arrester is a post type zinc oxide arrester.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520799.2U CN204045370U (en) | 2014-09-11 | 2014-09-11 | A kind of distribution transformer structure for installing lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520799.2U CN204045370U (en) | 2014-09-11 | 2014-09-11 | A kind of distribution transformer structure for installing lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045370U true CN204045370U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520799.2U Expired - Lifetime CN204045370U (en) | 2014-09-11 | 2014-09-11 | A kind of distribution transformer structure for installing lightning arrester |
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| Country | Link |
|---|---|
| CN (1) | CN204045370U (en) |
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2014
- 2014-09-11 CN CN201420520799.2U patent/CN204045370U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20141224 |