CN210040620U

CN210040620U - Grounding wire clamp

Info

Publication number: CN210040620U
Application number: CN201921285916.0U
Authority: CN
Inventors: 黄伟亮
Original assignee: Guangdong Power Grid Co Ltd; Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-02-07
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a ground clamp, including the fastener body, the one end of fastener body is provided with and is used for drawing the muscle binding post that draws that the muscle is connected with ground, and the other end of fastener body is provided with two at least ground terminals that are used for being connected with the earth connection a pair of two at most. Wherein, set up two or above terminals mainly be in order to avoid the earth connection of all equipment to all connect on same earth terminal, the quantity and the material of earth terminal can set up according to quantity and the material of on-the-spot earth connection, adopt novel earth clamp wiring can be better arrange the earth connection, guarantee that the earth connection distributes neatly, pleasing to the eye, the wiring is convenient, and is more firm, reliable, more can ensure person, equipment safety.

Description

Grounding wire clamp

Technical Field

The utility model relates to a distribution technical field, more specifically say, relate to a ground clamp.

Background

Along with the increasing living standard of people, the power consumption of industry and residents is continuously increased, more and more power distribution network lines and equipment are provided, and the system is continuously sound. Therefore, in order to ensure personal and equipment safety and ensure more reliable electricity utilization for people's life, the technical requirements for newly-built distribution areas are more standard. The multi-style grounding wire clamp provides more economic and effective technical measures for investment of a power distribution network, and meets the technical standard of standardized district construction.

The transformer rack is more related to equipment needing grounding, such as a transformer, a vacuum/intelligent circuit breaker, a lightning arrester, a combined transformer, an isolating switch and the like. Because the upper leading rib of the transformer rack grounding grid is only provided with one wiring terminal, the traditional copper-aluminum wire clamp is only provided with 2 wiring terminals for leading in and out wires, namely, grounding wires of all equipment can only be connected on the same copper-aluminum wire clamp terminal, the problems of messy wiring, insecure wiring contact surface, easiness in loosening, poor grounding and the like are caused, and personal and equipment safety risks exist.

In summary, how to provide a ground clip with high safety is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a high ground clamp of security.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a ground wire clamp, includes the fastener body, the one end of fastener body is provided with and is used for drawing the muscle binding post that goes up that the muscle is connected with ground, the other end of fastener body is provided with two at least ground terminals that are used for being connected with the earth connection at most a pair of two.

Preferably, the number of the ground terminals is three, the three ground terminals are arranged on the wire clamp body side by side, and an isolation groove is arranged between every two adjacent ground terminals.

Preferably, the three ground terminals include two aluminum terminals and one copper terminal.

Preferably, the isolation groove is a U-shaped isolation groove.

Preferably, the ground terminal is two ground posts made of different materials.

Preferably, each of the ground terminals includes two juxtaposed terminal posts for connection to a ground line.

Preferably, the wire clamp body comprises a main plate body and a wire pressing clamping plate connected with the main plate body and used for compressing a grounding wire, and the upper rib wiring terminal and the grounding terminal are respectively arranged at two ends of the main plate body.

Preferably, the upper rib wiring terminal is an aluminum wiring terminal, and a nut used for pressing the ground upper rib is arranged at the top end of the aluminum wiring terminal.

Preferably, the main plate body and the line pressing clamping plate are correspondingly provided with a plurality of threaded holes which are uniformly distributed, so that the main plate body and the line pressing clamping plate are connected through bolts.

The utility model provides a ground clamp, including the fastener body, the one end of fastener body is provided with and is used for drawing the muscle binding post that draws that the muscle is connected with ground, and the other end of fastener body is provided with two at least ground terminals that are used for being connected with the earth connection a pair of two at most.

Wherein, the one end of fastener body sets up one and draws muscle binding post and be used for drawing the muscle with ground and be connected, the muscle is drawn to ground and is a lead wire that draws ground from the grounding net promptly, and the other end of fastener body is provided with two at least ground terminal that are used for being connected with the earth connection of equipment, set up two or above terminal mainly be in order to avoid the earth connection of all equipment all to connect on same ground terminal, ground terminal's quantity and material can set up according to the quantity and the material of on-the-spot earth connection, adopt novel ground wire clamp wiring can be better arrange the earth connection, guarantee that the earth connection distributes neatly, pleasing to the eye, the wiring is convenient, it is more firm, reliable, can more ensure the person, equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a side view of fig. 1 and 2.

In FIGS. 1-3:

1 is a wire clamp body, 11 is a main plate body, 12 is a wire pressing clamping plate, 2 is a leading rib wiring terminal, 3 is a grounding terminal, 31 is a copper terminal, and 32 is an aluminum terminal.

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 work belong to the protection scope of the present invention.

The core of the utility model is to provide a high earth clamp of security.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an embodiment of the present invention; fig. 2 is a schematic structural diagram of an embodiment of the present invention; fig. 3 is a side view of fig. 1 and 2.

The utility model provides a ground clamp, including fastener body 1, fastener body 1's one end is provided with and is used for drawing muscle binding post 2 with ground drawing that the muscle is connected, and fastener body 1's the other end is provided with at least two and is used for the ground terminal 3 of being connected with the earth connection at most a pair of two.

The wire clamp body 1 is a carrier for fixing a ground lead-up rib and a ground wire, and is usually made of cast iron or carbon steel in an integrated manner, so that the structure strength is good, the damage is not easy to damage, and the electric conductivity is relatively good, one end of the wire clamp body 1 is provided with a lead-up rib wiring terminal 2 for being connected with the ground lead-up rib, wherein the ground lead-up rib is a lead for leading up the ground from a grounding grid, generally an aluminum or copper lead is good in electric conductivity, and the grounding terminal 3 is a grounding terminal 3 connected with a grounding wire of equipment (such as a transformer shell, a transformer neutral point, an intelligent/vacuum circuit breaker, a 10kV combined transformer, a lightning arrester and the like) on a transformer rack.

It can be understood that, the other end of the wire clamp body 1 is provided with at least two ground terminals 3 used for being connected with the ground wire of the equipment, because the number of the ground terminals 3 is not only one, therefore, the ground terminals 3 are connected with the ground wire by at most one to two, that is, at most two ground wires can be connected on one ground terminal 3, generally, only one electric wire is connected, so as to arrange the ground wires in a dispersed manner, which is convenient for the connection or maintenance of the ground wires, the number of the ground terminals 3 can be set according to the number of the ground wires in actual conditions, and can be two, three or more, one ground wire is kept to be connected with one ground terminal 3 as much as possible, the mutual interference of each ground wire is.

Compared with the prior art, the utility model provides a ground clamp is provided with at least two ground terminal 3 that are used for being connected with the earth connection at the other end of wire clamp body 1, avoids the earth connection of all equipment to all connect on same ground terminal 3, and the quantity and the material of ground terminal 3 can be according to the quantity and the material setting of the earth connection of required connection, can be better arrange the earth connection, guarantee that the earth connection distributes neatly, pleasing to the eye, the wiring is convenient, and is more firm, reliable, can ensure more that the person, equipment safety.

On the basis of the above-described embodiment, the number of the ground terminals 3 is three, three ground terminals 3 are arranged side by side on the wire clamp body 1, and an isolation groove is provided between each adjacent ground terminal 3.

It can be understood that the number of the ground terminals 3 is three, so that the ground terminals can be respectively connected with three different ground wires, the three ground terminals 3 are arranged side by side on the wire clamp body 1, in order to make the wiring of the ground wires more orderly, and facilitate the connection of users, if a plurality of ground wires are arranged too close, collision or interference may occur between the ground wires, so that an isolation groove is arranged between every two adjacent ground terminals 3, so as to separate each ground terminal 3 and the connected ground wires, the shape and size of the isolation groove are not particularly limited, and users can select the isolation groove according to actual conditions.

On the basis of the above-described embodiment, the three ground terminals 3 include two aluminum terminals 32 and one copper terminal 31.

It should be noted that, the ground wire usually has two materials, copper wire or aluminum wire, if aluminum wire is used, it needs to be connected with the aluminum terminal 32, because if aluminum wire is connected with the copper terminal 31, the copper terminal 31 will be oxidized and corroded by aluminum wire due to different oxidizability, the service life is short, correspondingly, copper wire needs to be connected with the copper terminal 31 to avoid oxidation and corrosion, and, the relative arrangement positions of two aluminum terminals 32 and one copper terminal 31 can be selected according to the actual situation, preferably, the copper terminal 31 is arranged between two aluminum terminals 32, which is convenient for the user to distinguish the copper terminal 31, of course, other arrangement modes can also be adopted.

The number of the ground terminals 3 is not limited to three, and in the present embodiment, the ground terminals 3 are two ground posts made of different materials.

It can be understood that, set up ground terminal 3 into the different ground connection post of two materials, can convenience of customers connect the earth connection of different materials, certainly, ground connection post's material need be corresponding with the material of earth connection, need not be the same, but avoid taking place the oxidation corrosion, and ground connection post is cylindrical terminal generally, the convenient connection.

On the basis of the above-described embodiment, each ground terminal 3 includes two juxtaposed terminal posts for connection to a ground line.

It can be understood that each ground wire needs to be connected to two connection posts to improve the connection firmness, and the two connection posts are arranged in parallel to facilitate the fixation of the ground wire, and of course, the ground terminal 3 may be arranged in other manners.

In a specific embodiment of the wire clamp body 1, the wire clamp body 1 includes a main board body 11 and a wire pressing clamp plate 12 connected to the main board body 11 and used for pressing a ground wire, and the upper rib wiring terminal 2 and the ground terminal 3 are respectively disposed at two ends of the main board body 11.

Wherein, owing to be provided with a plurality of ground terminal 3, can connect many earth connection, stability when in order to further improve the earth connection and fix, set up corresponding line ball splint 12 on the mainboard body 11, press from both sides the earth connection and press from both sides tightly to fix between mainboard body 11 and line ball splint 12, preferably, set up on mainboard body 11 and line ball splint 12 with earth connection assorted recess, fix the earth connection in the recess, in order to prevent that the earth connection from taking place radial movement, the recess can be the diameter slightly to be greater than the cylindrical recess of earth connection diameter, avoid causing the damage to the earth connection, also can set up to the recess of other shapes, as long as can fix the earth connection can.

In one embodiment of the upper rib connecting terminal 2, the upper rib connecting terminal 2 is an aluminum terminal, and a nut for pressing the ground upper rib is arranged at the top end of the aluminum terminal.

It can be understood that the tail end of the ground leading-up rib is generally provided with a connecting ring matched with the aluminum wiring terminal, the ground leading-up rib is directly sleeved on the aluminum wiring terminal and is compressed by a nut, the connection tightness is improved by parts such as a gasket, and of course, the specific structural form of the leading-up rib wiring terminal 2 is not limited to the above mode, and a user can flexibly set according to actual conditions.

On the basis of the above-mentioned specific embodiment, a plurality of threaded holes which are uniformly distributed are correspondingly arranged on the main board body 11 and the line pressing clamp plate 12, so as to connect the main board body 11 and the line pressing clamp plate 12 through bolts.

Wherein, the mainboard body 11 passes through bolted connection with line ball splint 12, and the dismouting is convenient with the maintenance, and with screw hole evenly distributed, can guarantee that the earth connection atress is even, and difficult emergence is damaged, and life is high, and of course, the mainboard body 11 can also be connected through modes such as locating pin, draw-in groove connection with line ball splint 12.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a ground clamp has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a ground clamp, its characterized in that, includes fastener body (1), the one end of fastener body (1) is provided with and is used for drawing muscle binding post (2) on being connected with the ground muscle that draws, the other end of fastener body (1) is provided with at least two and is used for ground terminal (3) of being connected with the earth connection at most a pair of two.

2. A ground clamp according to claim 1, characterized in that the number of the ground terminals (3) is three, three ground terminals (3) are arranged side by side on the clamp body (1), and an isolation groove is provided between adjacent ones of the ground terminals (3).

3. A ground clamp according to claim 2, characterized in that the three ground terminals (3) comprise two aluminum terminals (32) and one copper terminal (31).

4. A ground clamp as claimed in claim 3, in which the isolation channel is a U-shaped isolation channel.

5. A ground clamp according to claim 1, characterized in that said ground terminal (3) is two ground studs of different materials.

6. A ground clamp as claimed in any one of claims 1 to 5, characterized in that each of said ground terminals (3) comprises two juxtaposed terminal posts for connection to a ground wire.

7. A ground clamp according to any of claims 1-5, characterized in that the clamp body (1) comprises a main plate body (11) and a wire pressing clamp plate (12) connected with the main plate body (11) and used for pressing a ground wire, wherein the upper rib wiring terminal (2) and the ground terminal (3) are respectively arranged at two ends of the main plate body (11).

8. A ground clamp according to claim 7, characterized in that the upper rib connecting terminal (2) is an aluminum terminal, the top end of which is provided with a nut for pressing the ground upper rib.

9. A ground clamp according to claim 8, characterized in that a plurality of threaded holes are uniformly distributed on the main plate body (11) and the line pressing clamp plate (12) correspondingly, so as to connect the main plate body (11) and the line pressing clamp plate (12) through bolts.