KR100869084B1 - Grounding apparatus of power line - Google Patents

Abstract

A power line grounding apparatus is provided to have right/left conduction prevention frames preventing conduction of an electric pole, forward/backward elastic grounding frames and a grounding rod grounded to the ground. A pair of conduction prevention pipes(11,12) are respectively located in left and right of a bottom of an electric pole buried in the underground as a circular pipe of insulating material in forward and backward direction. A bolt hole through which a long bolt is penetrated is formed on one side of the conduction prevention pipe. Arc fixtures(13,13a) having the bolt hole through which the long bolt is penetrated are adhered closely to a conduction prevention pipe inner circumference. When the arc fixtures are respectively supported, the arc fixtures are jointed and fixed by a nut. Forward and backward sides of the arc fixtures are integrated as one body. A plurality of penetration holes is formed in a line end surface of a conduction prevention pipe at the constant interval. Left and right conduction prevention frames(10,10a) prevent conduction of the electric pole.

Description

Grounding apparatus of power line

The present invention relates to a distribution line grounding device, and more particularly, to improve the grounding structure of a distribution line to be grounded by a separate grounding device buried around the pole rather than the pole, thereby rapidly discharging the lightning current according to the expansion of the ground area. The present invention relates to a distribution line grounding device that can prevent electrocution caused by discharge out of the vicinity of the pole and maintain the initial state of installation of the pole for a long time.

In general, the power is transferred from the power plant to the substation, after several stages of transformation, and then to the home through the pole pole transformer along the distribution line such as concrete pole.

At this time, the distribution lines installed in Jeonju need material securing and good grounding in the distribution lines in order to protect the devices by abnormal voltages such as thunder and surge, and to prevent various electrical disasters due to short circuits.

The above-mentioned ground has a function of protecting human and power equipment from electric power or lightning.

Utility Model Registration No. 0267212 has a grounding device for electric poles having a grounding structure for fixing the insulation plate and the grounding copper plate to be in close contact with each other by having an insulating plate and a ground copper plate which can be arbitrarily varied according to the diameter corresponding to the length of the pole. Was proposed.

The above-described conventional configuration has the advantage of providing convenience to the pole pole and the grounding device installation work regardless of the diameter of the pole pole, while pole poles formed of various lengths (10m, 12m, 14m, 16m) Since the diameter is relatively small, it is possible to use a grounding device assembled to a small diameter pole, so that the grounding area is small, and there is no free space for instantaneous flow of overvoltage. There was this.

As a result, the overcurrent flows into the home and often causes a problem of damage to home appliances.

The present invention is to solve the problems as described above, improve the grounding structure of the distribution line to be grounded by a separate grounding device buried around the pole rather than the pole, the rapid discharge and lightning current of the electric current according to the expansion of the ground area It is an object of the present invention to provide a distribution line grounding device that can prevent electrocution caused by discharge out of the surroundings and can maintain the initial installation state of the pole for a long time.

In order to achieve the above object, the present invention is a pair of conduction pipes are located in a pair of front and rear in front and rear on the left and right sides of the bottom of the electric pole buried in the ground as an insulating material, but the bolt is penetrated on one side of the conduction pipe A ball is formed, and the inner circumference of the fall prevention tube where the bolt hole is located is an arc-shaped fixture having a bolt hole through which a long bolt is penetrated, and is fastened and fastened with a nut in a supported state, respectively, to form a front and rear body. There are a plurality of through holes are formed at regular intervals and the left and right conduction prevention frame to prevent the fall of the pole;

It is an elastic plate made of metal material, and is positioned between the left and right conduction prevention frames, and the left and right front end faces are respectively formed with left and right ground screw holes on the extension line of the through hole, and the operation recesses are formed at the upper and lower ends, respectively, and the curved end of the working recess part is curved. The upper and lower end rubber supports, which are in close contact with the outer periphery of the electric pole, are axially coupled to each other in a rotatable manner, and the inner side of the operating recess of the upper side is provided with a down-line connecting terminal pivotally coupled by a shaft pin to connect the terminal to the lowered line connector. And front and back elastic grounding frame made of the ground of the ground wire;

A state in which the left and right ground screw holes of the front and back elastic folding frame are positioned in an extension shape of the through hole in a state of penetrating through holes located in front and rear sides of the left and right conduction prevention frame fall prevention tube with a conductor that is a conductor. At one end of the screw portion is screwed into the left and right ground screw holes respectively, characterized in that it is provided with a grounding rod that is grounded to ground as it is energized with the front and back elastic grounding frame.

As described above, the present invention is improved so that the grounding structure of the distribution line can be grounded by a separate grounding device buried around the pole rather than the pole, thereby achieving a rapid discharge of the brain current according to the expansion of the ground area and discharge outside the pole. Electric shock can be prevented accordingly, there is an effect that can be maintained firmly for a long time the initial installation state of the pole.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing the construction of the distribution line grounding device according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing the fastening of the distribution line grounding device according to the embodiment of the present invention, Figure 3 is a construction of a distribution line grounding device according to an embodiment of the present invention Figure 4 is a side cross-sectional view, Figure 4 is a cross-sectional view showing a state of the distribution line grounding device according to an embodiment of the present invention.

For reference, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is omitted.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, the definition should be made based on the contents throughout the specification.

The distribution line grounding apparatus of the present invention is located on the left and right sides of the pole 50, the left and right conduction prevention frame (10, 10a) to prevent falling, and the ground rod 30 is coupled to the left and right conduction prevention frame (10, 10a) by a ground wire It consists of a front and back elastic grounding frame (20, 20a) is made of the ratio of the (40), and the ground rod 30 is coupled to the front and back elastic grounding frame (20, 20a) is grounded in the ground.

The left and right conduction prevention frame (10, 10a) is a round tube of insulating material in the left and right sides of the lower end of the electric pole (50) buried in the ground in front and rear each pair of anti-conduction pipes (11, 12) are respectively located The bolt holes 11a and 12a through which the long bolts 14 pass are formed on one side thereof, and the long bolts are formed on the inner circumference of the fall prevention pipes 11 and 12 where the bolt holes 11a and 12a are positioned. Arc fixing fixtures 13 and 13a having bolt holes 13b through which 14 are penetrated are fastened and fastened with nuts 14a in a supported state to form a body in front and rear, and fall prevention tubes 11 and 12 A plurality of through-holes (11b, 12b) are formed in the front end at a predetermined interval to prevent the conduction of the electric pole (50).

The front and back elastic grounding frame (20, 20a) is an elastic plate of the metal material and is positioned between the left and right conduction prevention frame (10, 10a), the left and right front end on the left and right side ground on the extension line of the through hole (11b, 12b) The screw holes 21 and 21a are formed, respectively, and the upper and lower ends of the operating recesses 22 and 22a are formed, respectively, and the upper and lower ends of the operating recesses 22 and 22a are in close contact with the outer circumference of the electric pole 50 in a state where the lower part is curved. The rubber supports 23 and 23a are pivotally coupled to each other, and a lower line connecting terminal 24 is pivotally coupled to the inner working recess 22 by a shaft pin 24a to be lowered. Grounding of the ground wire 40 coupled to the wire connection terminal 24 is made.

The ground rod 30 is a bar body that is a conductor and the front and back elastic elastic ground in the state penetrating through the through holes (11b, 12b) located in the front and rear side of the left and right conduction prevention frame (10, 10a) fall prevention tube (11, 12) The lower portion of the front and back elastic folding frame (20, 20a) is curved in an arc shape so that the left and right ground screw holes (21, 21a) of the frame (20, 20a) are positioned on the extension lines of the through holes (11b, 12b). At one end of the screw portion 31 is screwed into the left and right ground screw holes (21, 21a), respectively, and the front and back elastic grounding ground (20, 20a) as the electric current is grounded to the ground.

In the present invention as described above, when a brain current flows into the ground wire 40 connected to the down-wire connecting terminal 24 of the front and rear elastic grounding frame (20, 20a), a plurality of screw coupled to the left and right ground screw holes (21, 21a), respectively. Discharges quickly into the ground through the two ground rods (30).

The electric pole 50 is prevented from falling forward and backward by the front and rear elastic support frames 20 and 20a, and is also firmly prevented from falling to the left and right sides by the left and right conduction prevention frames 10 and 10a.

1 is a perspective view showing the construction of the distribution line grounding device according to an embodiment of the present invention,

Figure 2 is an exploded perspective view showing the fastening of the distribution line grounding device according to an embodiment of the present invention,

Figure 3 is a side cross-sectional view showing the construction of the distribution line grounding device according to an embodiment of the present invention,

Figure 4 is a plan sectional view showing a state of the distribution line grounding device according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10,10a: left and right conduction prevention frame 11,12: conduction prevention tube

11a, 12a: bolt hole 11b, 12b: through hole

13,13a: Arc shaped fixture 13b: Bolt hole

14: long bolt 14a: nut

20,20a: Front and back elastic grounding frame 21,2a: Left and right ground screw holes

22,22a: Working part 23,23a: Upper and lower rubber support

24: Lower wire connector

30: ground rod

40: ground wire

50: Jeonju

Claims (1)

A pair of fall prevention pipes (11, 12) are located in front and rear, respectively, on the left and right sides of the bottom of the electric pole (50) embedded in the ground as an insulating circular pipe, and long bolts are formed on one side of the fall prevention pipes (11, 12). The bolt holes 11a and 12a through which the 14 penetrates are formed, and the bolt holes 13b through which the long bolts 14 pass through the inner circumference of the fall prevention pipes 11 and 12 where the bolt holes 11a and 12a are located. Arc fixing fixtures 13 and 13a having a close contact with each other are fastened and fastened with nuts 14a to form a single body, and a plurality of through holes at predetermined intervals on the end faces of the fall prevention pipes 11 and 12. (11b, 12b) is formed to prevent the left and right conduction prevention frame (10, 10a) to prevent the electric pole (50); An elastic plate body made of metal is positioned between the left and right conduction prevention frames 10 and 10a, and left and right ground screw holes 21 and 21a are formed on the left and right end faces on the extension lines of the through holes 11b and 12b, respectively. The upper and lower ends of the working recesses 22 and 22a are formed, respectively, and the upper and lower end rubber supports 23 and 23a are in close contact with the outer periphery of the electric pole 50 at the lower end of the operating recesses 22 and 22a. Each of the ground wires are axially coupled to each other, and a lower line connecting terminal 24 is pivotally coupled to the inner working recess 22 by a shaft pin 24a to be connected to the down line connecting terminal 24. Front and back elastic grounding frame (20, 20a) is made of the ground (40); The front and back elastic grounding frame (20, 20a) in the state of penetrating through the through holes (11b, 12b) located in the front and rear sides of the left and right conduction prevention frame (10, 10a) fall prevention tube (11, 12) with a conductor that is a conductor The left and right side ground screw holes 21 and 21a of the threaded portion of the one end in the state in which the lower portion of the front and rear elastic elastic folding frame 20, 20a is curved in an arc shape so as to be positioned on the extension line of the through holes 11b and 12b. A distribution line grounding device having a grounding rod (30) which is grounded to ground as the 31 is screwed to each of the left and right ground screw holes (21, 21a) and is energized with the front and rear elastic grounding frames (20, 20a).

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