CN215183318U

CN215183318U - Lightning protection fastener convenient to installation

Info

Publication number: CN215183318U
Application number: CN202121549722.4U
Authority: CN
Inventors: 李小军
Original assignee: Zhongtian Huatong Power Technology Co ltd
Current assignee: Zhongtian Huatong Power Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-14
Anticipated expiration: 2031-07-08

Abstract

The utility model belongs to the technical field of the electric power fitting technique and specifically relates to a lightning protection fastener convenient to installation is disclosed, including fixing the insulating cover on insulating wire, insulating cover lower extreme both sides are fixed with two striking rods that are "Y" type distribution, insulating support column is installed through the screw thread in insulating cover below, insulating support column lower extreme installs electrically conductive horizontal pole through the screw thread, electrically conductive horizontal pole both sides be provided with the arc that striking rod position matches. Has the advantages that: the installation is simple and convenient, the operation can be completed by a single person and a single hand, the speed is higher and the efficiency is higher when the lightning protection wire clamp is installed; meanwhile, the manual consumption is reduced by one-man operation, and the safe absorption is high; possess two striking bars, the striking is effectual, improves lightning protection effect.

Description

Lightning protection fastener convenient to installation

Technical Field

The utility model belongs to the technical field of the electric power fitting technique and specifically relates to a lightning protection fastener convenient to installation is related to.

Background

In modern life, the overhead insulated conductor is more and more valued by people due to good insulation property. However, when the insulated conductor is struck by lightning, the lightning overvoltage firstly breaks through the insulating layer to cause insulator flashover, the broken insulating layer is in a pinhole shape, continuous power frequency short circuit current is prevented from being condensed by surrounding insulation, an arc root can only burn at the pinhole, and the conductor can be regularly burnt in a very short time. In addition, the insulator on the line can also be subjected to flashover or burst due to lightning strike, and even accidents such as wire fusing and the like are caused. Therefore, if the overhead insulated conductor does not adopt proper lightning protection measures, the engineering quality and the operation management can be influenced, a plurality of accident hidden dangers can be left, and the problem is effectively solved due to the occurrence of the lightning protection hardware fitting.

The existing lightning protection wire clamp is difficult to install, cannot be operated by a single hand and is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just provide a lightning protection fastener convenient to installation in order to solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

a lightning protection wire clamp convenient to install comprises an insulating cover fixed on an insulating wire, wherein two arc striking rods distributed in a Y shape are fixed on two sides of the lower end of the insulating cover, an insulating support column is installed below the insulating cover through threads, a conductive cross rod is installed at the lower end of the insulating support column through threads, and arc plates matched with the arc striking rods in position are arranged on two sides of the conductive cross rod;

the insulation cover comprises an upper cover and a lower cover, the upper cover and the lower cover are clamped above and below the insulation wire, a fixing bolt is fixed on one side of the upper cover and one side of the lower cover, a first spring is embedded on the fixing bolt, a buckle is fixed on the other side of the upper cover and the other side of the lower cover in an embedded mode, a second spring is fixed on the top of the upper cover, an L-shaped upper pressing plate is fixed below the second spring, a connecting rod is fixed in the center of the inner portion of the lower cover, an L-shaped lower conductive supporting plate is fixed above the connecting rod, and the lower conductive supporting plate is matched with and in contact with the upper pressing plate in position.

Furthermore, the upper cover comprises a circular cover, an upper turning plate is formed on one side of the circular cover, a straight plate is formed on the other side of the circular cover, an included angle between the upper turning plate and the side wall of the circular cover is smaller than ninety degrees, the buckle is slidably mounted on the upper turning plate, the fixing bolt is fixed on the straight plate, and the structure of the lower cover is the same as that of the upper cover.

Furthermore, a lower insulating shell is integrally formed below the lower cover, the lower insulating shell wraps the outer portion of the arc striking rod, the arc striking rod is in contact with the connecting rod, and a thread groove for fixing the insulating support column is formed below the middle portion of the lower insulating shell.

Furthermore, a metal ball is welded at the end part of the arc striking rod, and the linear distance from the end part of the arc striking rod to the arc-shaped plate is 30-50 cm.

By adopting the technical scheme, the beneficial effects of the utility model are that: the installation is simple and convenient, the operation can be completed by a single person and a single hand, the speed is higher and the efficiency is higher when the lightning protection wire clamp is installed; meanwhile, the manual consumption is reduced by one-man operation, and the safe absorption is high; possess two striking bars, the striking is effectual, improves lightning protection effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a main sectional view of the insulating cover of the present invention;

fig. 3 is a top view of the insulating cover of the present invention.

The reference numerals are explained below:

1. an insulated wire; 2. an insulating cover; 21. an upper cover; 211. a circular cover; 212. an upper turning plate; 213. a flat plate; 22. a lower cover; 23. a lower insulating case; 231. a thread groove; 24. a second spring; 25. an upper pressure plate; 26. fixing the bolt; 27. a first spring; 28. a lower conductive support plate; 29. a connecting rod; 3. an arc striking rod; 4. insulating support columns; 5. buckling; 6. a conductive cross bar; 7. an arc-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a lightning protection wire clamp convenient to install comprises an insulating cover 2 fixed on an insulating lead 1, two arc striking rods 3 distributed in a Y shape are fixed on two sides of the lower end of the insulating cover 2, an insulating support column 4 is installed below the insulating cover 2 through threads, a conductive cross rod 6 is installed at the lower end of the insulating support column 4 through threads, arc plates 7 matched with the arc striking rods 3 are arranged on two sides of the conductive cross rod 6, the arc striking rods 3 and the arc plates 7 form a large-capacity capacitor, a grounding electrode is installed on the conductive cross rod 6, when the lightning overvoltage exceeds a certain value, flashover is caused between an electrode (an arc striking rod 3) and a grounding electrode (an arc plate 7) of the wire clamp to form a short-circuit channel, and a continuous power frequency arc is combusted on an arc burning arm (a conductive cross rod 6) to quickly transfer overvoltage energy from the insulated wire 1, so that the insulated wire 1 is protected from being burned;

the insulation cover 2 comprises an upper cover 21 and a lower cover 22, the upper cover 21 and the lower cover 22 are clamped above and below the insulation conductor 1, a fixing bolt 26 is fixed on one side of the upper cover 21 and the lower cover 22, a first spring 27 is nested on the fixing bolt 26, when a nut of the fixing bolt 26 is far away from one end of a bolt cap, the upper cover 21 and the lower cover 22 can be opened under the action of the first spring 27, the insulation cover 2 and the insulation conductor 1 are conveniently fixed together, a buckle 5 is fixedly clamped on the other side of the upper cover 21 and the lower cover 22 in an embedded manner and used for realizing rapid fixing on one side of the insulation cover 2, a second spring 24 is fixed on the inner top of the upper cover 21, an L-shaped upper pressure plate 25 is fixed below the second spring 24, a sharp spine is formed on the inner wall of the upper pressure plate 25 and can pierce a cable surface insulation layer to be contacted with a metal conductor for conducting electricity, and the upper pressure plate 25 can be ensured to be contacted with the insulation conductor 1 all the time by the elasticity of the second spring 26, a connecting rod 29 is fixed in the center of the inner portion of the lower cover 22, an L-shaped lower conductive supporting plate 28 is fixed above the connecting rod 29, the lower conductive supporting plate 28 is matched with and in contact with the upper pressure plate 25 in position, the upper pressure plate 25 is in contact with the lower conductive supporting plate 28, electric power conduction is achieved, and when lightning strikes occur, high-voltage electricity of lightning is transmitted to the arc striking rod 3 through the upper pressure plate 25 and the lower conductive plate 28 instantly.

In this embodiment, the upper cover 21 includes the dome 211, the shaping of dome 211 one side has upward turning plate 212, make things convenient for the installation of insulated wire 1, the shaping of dome 211 opposite side has straight board 213, the contained angle of upward turning plate 212 and dome 211 lateral wall is less than ninety degrees, 5 slidable mounting of buckle are on upward turning plate 212, fixing bolt 26 fixes on straight board 213, lower cover 22 structure is the same with upper cover 21 structure, upper cover 21 passes through fixing bolt 26 with lower cover 22 one end and fixes, the other end passes through buckle 5 fixedly, the installation that the one end that utilizes buckle 5 to fix can be quick and dismantle, also can hardly become flexible after fixed, single can accomplish the installation, and is simple and convenient.

In this embodiment, a lower insulating shell 23 is integrally formed below the lower cover 22, the lower insulating shell 23 is wrapped outside the arc ignition rod 3, the arc ignition rod 3 is in contact with the connecting rod 29, so that current conduction is facilitated, and a thread groove 231 for fixing the insulating support column 4 is formed below the middle portion of the lower insulating shell 23.

In this embodiment, the end of the arc striking rod 3 is welded with a metal sphere, and the linear distance from the end of the arc striking rod 3 to the arc plate 7 is 30-50 cm.

The utility model discloses a theory of operation does: when the insulation support column is used, the nut on the fixing bolt 26 is loosened to enable the first spring 27 to be in a loosening state, then the flat plate 213 is held by hand, one side of the upper turning plate 212 is aligned to the insulation lead 1, the upper cover 21 and the lower cover 22 automatically open to enable the insulation lead 1 to enter the clamping groove of the insulation cover 2 when the insulation lead 1 is pushed, at the moment, the upper pressing plate 25 abuts against the upper portion of the insulation lead 1 under the action of the second spring 24, the upper pressing plate 25 is in contact with the lower conductive supporting plate 28, then the buckle 5 is slidably mounted on the upper turning plate 212, the nut of the fixing bolt 26 is screwed, the insulation cover 2 and the insulation lead 1 can be mounted and fixed, then the insulation support column 4 is rotatably mounted at the lower end of the insulation support column 2, the conductive cross rod 6 is fixed at the lower end of the insulation support column 4, and the arc ignition rod 3 is guaranteed to be matched with the arc-shaped plate 7 in position.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lightning protection fastener convenient to installation which characterized in that: the insulation cover comprises an insulation cover (2) fixed on an insulation wire (1), two arc striking rods (3) distributed in a Y shape are fixed on two sides of the lower end of the insulation cover (2), an insulation support column (4) is installed below the insulation cover (2) through threads, a conductive cross rod (6) is installed at the lower end of the insulation support column (4) through threads, and arc plates (7) matched with the arc striking rods (3) in position are arranged on two sides of the conductive cross rod (6);

insulating cover (2) include upper cover (21) and lower cover (22), upper cover (21) with lower cover (22) card is in the below about insulating wire (1), upper cover (21) with lower cover (22) one side is fixed with fixing bolt (26), the nested first spring (27) that has gone up in fixing bolt (26), upper cover (21) with lower cover (22) opposite side inlay card is fixed with buckle (5), the top is fixed with second spring (24) in upper cover (21), second spring (24) below is fixed with upper press plate (25) of L type, the inside central authorities of lower cover (22) are fixed with connecting rod (29), connecting rod (29) top is fixed with lower electrically conductive layer board (28) of L type, lower electrically conductive layer board (28) with upper press plate (25) position matching and contact.

2. The lightning protection clip convenient to install of claim 1, wherein: the upper cover (21) comprises a circular cover (211), an upper turning plate (212) is formed on one side of the circular cover (211), a flat plate (213) is formed on the other side of the circular cover (211), an included angle between the upper turning plate (212) and the side wall of the circular cover (211) is smaller than ninety degrees, a buckle (5) is slidably mounted on the upper turning plate (212), a fixing bolt (26) is fixed on the flat plate (213), and the structure of the lower cover (22) is the same as that of the upper cover (21).

3. The lightning protection clip convenient to install of claim 2, wherein: lower insulating shell (23) is formed below lower cover (22) in an integrated manner, lower insulating shell (23) wraps up outside arc ignition rod (3), arc ignition rod (3) contacts with connecting rod (29), and thread groove (231) for fixing insulating support column (4) is formed below middle part of lower insulating shell (23).

4. The lightning protection clip convenient to install of claim 1, wherein: the arc striking device is characterized in that a metal ball is welded at the end part of the arc striking rod (3), and the linear distance between the end part of the arc striking rod (3) and the arc-shaped plate (7) is 30-50 cm.