CN210016250U - Lead-down grounding system of power distribution overhead line - Google Patents

Abstract

The utility model discloses a distribution overhead line draws following formula ground system for solve because overhaul the circuit and can't directly test electric ground connection with the pole adjacent electrified circuit safe distance not enough, need will erect the circuit with the pole and cooperate the power failure, could accomplish the electricity test ground connection work of overhauing the circuit, reduced the technical problem of power supply reliability. The utility model comprises a down lead, a wire clamp, a hoop device, a cross arm, a grounding suspension loop, a porcelain cross arm insulator, a telegraph pole and a main conductor of a distribution overhead line; the main conductor of the power distribution overhead line is arranged on the telegraph pole; the first end of the down lead is connected with a wire clamp, and the wire clamp is connected with a main conductor of the power distribution overhead line; the second end of the down lead is connected with the grounding hanging ring, and the porcelain cross arm insulator is arranged on the cross arm; the cross arm is fixedly arranged on the hoop device, the hoop device is detachably arranged on the telegraph pole, and the cross arm is located below a main conductor of the power distribution overhead line.

Description

Lead-down grounding system of power distribution overhead line

Technical Field

The utility model relates to an earthing device technical field especially relates to a distribution overhead line draws following formula ground system.

Background

The condition that present distribution overhead line had a large amount of many return circuits line to erect with the pole, and line earthing device (ground connection link) all is the direct mount on circuit main conductor, when certain return circuit need have a power failure ground connection, because with adjacent live line safety distance of same pole not enough directly test electric ground connection, need will erect the circuit with the pole and cooperate the power failure, just can accomplish the electricity testing ground connection work who overhauls the circuit, reduced the power supply reliability.

Therefore, in order to solve the above technical problems, it is an important subject of research by those skilled in the art to find a grounding system for leading down a power distribution overhead line.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses distribution overhead line draws following formula ground system for solve because overhaul the circuit and can't directly test electric ground connection with the pole adjacent electrified circuit safe distance not enough, need will erect the circuit with the pole and cooperate the power failure, could accomplish the electricity test ground connection work of overhauing the circuit, reduced the technical problem of power supply reliability.

The embodiment of the utility model provides a distribution overhead line draws formula ground system down, including drawing line, fastener, staple bolt device, cross arm, ground connection link, porcelain cross arm insulator, wire pole and distribution overhead line leading wire;

the main conductor of the power distribution overhead line is arranged on the telegraph pole;

the first end of the down conductor is connected with the wire clamp, and the wire clamp is connected with the main conductor of the distribution overhead line;

the second end of the down lead passes through the porcelain cross arm insulator to be connected with the grounding hanging ring, and the porcelain cross arm insulator is installed on the cross arm;

the cross arm is fixedly installed on the hoop device, the hoop device is detachably installed on the telegraph pole, and the cross arm is located below a main conductor of the power distribution overhead line.

Optionally, the hoop means comprises a first semicircular fastener and a second semicircular fastener;

the first semicircular fastener is in threaded connection with the second semicircular fastener.

Optionally, the ground suspension loop comprises a plurality of ground suspension loops.

Optionally, the ceramic cross arm insulator comprises a plurality of ceramic cross arm insulators;

a plurality of porcelain cross arm insulators set up in equidistant in the top surface of cross arm.

Optionally, the clip is a C-clip.

According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:

the embodiment of the utility model provides a distribution overhead line draws formula ground system down, including drawing line, fastener, staple bolt device, cross arm, ground connection link, porcelain cross arm insulator, wire pole and distribution overhead line leading wire; the main conductor of the power distribution overhead line is arranged on the telegraph pole; the first end of the down conductor is connected with the wire clamp, and the wire clamp is connected with the main conductor of the distribution overhead line; the second end of the down lead passes through the porcelain cross arm insulator to be connected with the grounding hanging ring, and the porcelain cross arm insulator is installed on the cross arm; the cross arm is fixedly installed on the hoop device, the hoop device is detachably installed on the telegraph pole, and the cross arm is located below a main conductor of the power distribution overhead line. In this embodiment, install the second end that changes into on the line main lead and install the downlead with the ground connection link, keep away from the circuit with the distribution lines ground point to make the ground point can keep sufficient safe distance with adjacent live line of same pole erection, need not the cooperation and have a power failure and can realize the electricity testing ground connection that has a power failure overhauld the circuit, improve the power supply reliability.

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 the drawings without inventive exercise.

Fig. 1 is a schematic side view of a down-lead grounding system for a power distribution overhead line according to an embodiment of the present invention;

fig. 2 is a schematic front structural diagram of a distribution overhead line down-lead grounding system provided in an embodiment of the present invention;

illustration of the drawings: a telegraph pole 1; a main conductor 2 of the power distribution overhead line; a wire clamp 3; a down conductor 4; a porcelain cross arm insulator 5; a grounding suspension loop 6; a hoop device 7; and a cross arm 8.

Detailed Description

The embodiment of the utility model discloses distribution overhead line draws following formula ground system for solve because overhaul the circuit and can't directly test electric ground connection with the pole adjacent electrified circuit safe distance not enough, need will erect the circuit with the pole and cooperate the power failure, could accomplish the electricity test ground connection work of overhauing the circuit, reduced the technical problem of power supply reliability.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, an embodiment of a distribution overhead line down-lead grounding system provided in an embodiment of the present invention includes:

the device comprises a down lead 4, a wire clamp 3, a hoop device 7, a cross arm 8, a grounding hanging ring 6, a porcelain cross arm insulator 5, a telegraph pole 1 and a main conductor 2 of a distribution overhead line;

the main conductor 2 of the power distribution overhead line is arranged on the telegraph pole 1;

the first end of the down conductor 4 is connected with the wire clamp 3, and the wire clamp 3 is connected with the main conductor 2 of the distribution overhead line;

the second end of the down lead 4 passes through the porcelain cross arm insulator 5 to be connected with a grounding hanging ring 6, and the porcelain cross arm insulator 5 is installed on the cross arm 8;

the cross arm 8 is fixedly installed on the hoop device 7, the hoop device 7 is detachably installed on the telegraph pole 1, and the cross arm 8 is located below the main conductor 2 of the power distribution overhead line.

In this embodiment, install the second end that changes into on the line main lead and install downlead 4 with ground connection link 6, keep away from the circuit with the distribution lines ground point to make the ground point can keep sufficient safe distance with adjacent live line of same pole erection, need not the cooperation and have a power failure and can realize the electricity test ground connection of the maintenance circuit that has a power failure, improve the power supply reliability.

Further, the hoop device 7 comprises a first semicircular fastener and a second semicircular fastener;

the first semicircular fastener is in threaded connection with the second semicircular fastener.

It should be noted that the first semicircular fastener and the second semicircular fastener are used for clamping the rod body of the utility pole 1, and then the bolt is used for locking.

Further, the grounding suspension loop 6 comprises a plurality of grounding suspension loops.

Further, the porcelain cross arm insulator 5 comprises a plurality of insulators;

a plurality of porcelain cross arm insulators 5 are arranged on the top surface of the cross arm 8 at equal intervals.

Further, the wire clamp 3 is a C-type wire clamp 3.

The power distribution overhead line down-lead grounding system provided by the embodiment has the advantages that:

in this embodiment, install the second end that changes into on the line main lead and install downlead 4 with ground connection link 6, keep away from the circuit with the distribution lines ground point to make the ground point can keep sufficient safe distance with adjacent live line of same pole erection, need not the cooperation and have a power failure and can realize the electricity test ground connection of the maintenance circuit that has a power failure, improve the power supply reliability.

Moreover, the distribution line grounding point is led down to the line below through the system, the height of the distribution line grounding point is reduced, the distribution line grounding point is uniformly arranged horizontally, the pole climbing height of an operator can be reduced, and the physical consumption and the operation risk are reduced.

The lead-in grounding device for the power distribution overhead line is installed on different towers by erecting the line on the same pole, so that the electricity testing grounding of different lines can be realized without the matching power failure of other lines.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.

When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.

The above is to the utility model provides a distribution overhead line draws following formula earthing system has introduced in detail, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model discloses.

Claims (5)

1. A down-leading type grounding system of a power distribution overhead line is characterized by comprising a down-leading wire, a wire clamp, a hoop device, a cross arm, a grounding hanging ring, a ceramic cross arm insulator, a telegraph pole and a main conductor of the power distribution overhead line;

the main conductor of the power distribution overhead line is arranged on the telegraph pole;

the first end of the down conductor is connected with the wire clamp, and the wire clamp is connected with the main conductor of the distribution overhead line;

the second end of the down lead passes through the porcelain cross arm insulator to be connected with the grounding hanging ring, and the porcelain cross arm insulator is installed on the cross arm;

the cross arm is fixedly installed on the hoop device, the hoop device is detachably installed on the telegraph pole, and the cross arm is located below a main conductor of the power distribution overhead line.

2. The electrical distribution overhead line down-feed grounding system of claim 1, wherein said hoop means comprises a first semi-circular fastener and a second semi-circular fastener;

the first semicircular fastener is in threaded connection with the second semicircular fastener.

3. The power distribution overhead line down-lead grounding system of claim 1, wherein the grounding suspension loop comprises a plurality of loops.

4. The power distribution overhead line down-lead grounding system of claim 1, wherein said porcelain cross arm insulator comprises a plurality;

a plurality of porcelain cross arm insulators set up in equidistant in the top surface of cross arm.

5. The power distribution overhead line down-lead grounding system of claim 1, wherein the wire clamp is a C-type wire clamp.

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