KR20210074265A - Expanded earth structure of u-bolt assembly - Google Patents

Abstract

The present invention relates to an extended ground structure of a U-bolt assembly. The extended ground structure of a U-bolt assembly according to an embodiment of the present invention comprises: a first body having a first protrusion part penetrating a support on one side and a first bending part surrounding a part of a supported object on the other side; a second body having a second protrusion part penetrating through the support on one side and a second bending part surrounding a part of the supported object on the other side; a u-bolt assembly coupling the first bending part and the second bending part to each other to constrain the supported object to the support; and a first ground copper rod to be embedded in the ground by fastening to the protruding portion of the first protrusion part protruding through the support. Accordingly, improvement in construction quality can be expected.

Description

EXTENDED EARTH STRUCTURE OF U-BOLT ASSEMBLY

The present invention relates to an extended grounding structure of a U-Volt assembly, and more particularly, for implementing an extended grounding structure using a first grounding rod and a second grounding rod that are fastened to the U-Volt assembly and buried in the ground, the U-Volt assembly of the extended grounding structure.

When constructing an electric pole, install the pole for the pole at a point about 0.5M below the ground surface. Considering the direction of tension applied to the support by the power line and wind pressure, in a straight place, install the concrete pole alternately in the direction of the track. In the state, the poles should be firmly attached to the poles by using U-bolts for the poles in the direction of tension.

1 is a view showing the real (a), installation example (b), and installation photo (c) of the conventional U-bolt. With reference to this, the conventional U-bolt includes a U-bolt installed in the lower part of the electric pole and a washer and As for the structure of the nut, the type of U-bolt had to be changed according to the diameter of the applied pole. In addition, for the grounding of the grounding wire, the grounding wire drawn out from the electric pole was separated into two lines through the sleeve, and each was connected to a grounding rod and grounded.

Therefore, there were concerns about the inconvenience of material management as well as deterioration of construction quality due to the use of U-bolts that did not meet the pole standard.

Korean Patent Publication No. 10-0820061 (Registered on April 1, 2008)

The present invention has been devised to solve the above problems of the prior art, and for implementing an extended grounding structure using a first grounding rod and a second grounding rod that are fastened to the U-bolt assembly and buried in the ground, an extension type of the U-bolt assembly It aims to provide a grounding structure.

A grounding structure using a u-bolt assembly according to an embodiment of the present invention includes: a first body having a first protrusion penetrating a support on one side and a first bending portion surrounding a part of the supported object on the other side; and a second body having a second protruding part penetrating the support on one side and a second bending part surrounding a part of the supported object on the other side; including, by combining the first bending part and the second bending part with each other a U-bolt assembly for constraining the support to the support; and a first grounding rod that is fastened to the protruding portion of the first protrusion protruding through the support and buried in the ground.

A grounding structure using a u-bolt assembly according to another embodiment of the present invention includes a first protrusion and a second protrusion penetrating a support on one side, and an integral bending part surrounding a part of the supported object on the other side; including, the sebum a U-bolt assembly for constraining the feature to the support; and a first grounding rod that is fastened to the protruding portion of the first protrusion protruding through the support and buried in the ground.

According to the embodiment, the second ground copper rod is fastened to the protruding portion of the second protrusion that protrudes as it penetrates the support and is buried in the ground; may further include.

The first grounding rod is in the form of a rod having a predetermined length, and includes a grounding copper fastening portion having a fastening groove penetrating a protruding portion of the first protruding portion on one side, and a tip portion having a pointed shape on the other side. can be provided

The first ground copper rod may be fastened in a downward vertical direction with respect to the protruding portion of the first protrusion.

The support may be a concrete base.

The supported material may be a week before.

According to the embodiment, further comprising a grounding unit for grounding by connecting the grounding wire drawn out from the electric pole to one side of the U-volt assembly, wherein the grounding unit includes at least one of the first protrusion and the second protrusion. may be contracted.

According to an embodiment, it further includes a plate-shaped auxiliary grounding plate having a predetermined thickness, wherein the auxiliary grounding plate includes: a first U-bolt through-hole through which the first protrusion passes; and a second U-bolt through hole through which the second protrusion passes.

The first body, the second body, and the auxiliary ground plate may be formed of stainless steel.

The first bending part may include a locking part protruding in the opposite direction of the supported object.

The second bending part may include a fixing part coupled to the locking part.

The fixing part may include a through-hole passing through to correspond to the locking part, and a plurality of the through-holes may be provided along a longitudinal direction of the fixing part.

The present invention can be implemented as an extended grounding structure using a first grounding rod and a second grounding rod that are fastened to the U-bolt assembly and buried in the ground.

In addition, the present invention can be applied irrespective of the standard of the pole, so improvement of construction quality can be expected.

In addition, since the present invention is simplified to a single type (conventional three types), material management is easy, and the division operation according to the electric pole standard is omitted, thereby increasing work efficiency.

In addition, the present invention does not require a separate part for grounding, and can reduce the number of steps during grounding construction.

1 is a view showing the real (a), installation example (b), installation photo (c) of the conventional U-bolt,
2 is a perspective view (left) and an installation example ((top) front, (bottom) back) of a U-bolt assembly according to an embodiment of the present invention;
3 is an exploded perspective view of the extended grounding structure of the u-bolt assembly according to an embodiment of the present invention;
4 is a view showing a U-bolt assembly having an integrated body;
5 is a view showing a grounding unit according to an embodiment of the present invention;
6 is a view showing a grounding rod according to an embodiment of the present invention;
7A to 7C are views illustrating an example of installation of an extended grounding structure of a U-volt assembly according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, detailed descriptions of well-known functions or configurations that may obscure the gist of the present invention in the following description and accompanying drawings will be omitted. Also, it should be noted that throughout the drawings, the same components are denoted by the same reference numerals as much as possible.

The terms or words used in the present specification and claims described below should not be construed as being limited to conventional or dictionary meanings, and the inventor shall appropriately define his or her invention in terms of the best way to describe it. Based on the principle that it can be done, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical ideas of the present invention, so at the time of the present application, various It should be understood that there may be equivalents and variations.

In the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated, and the size of each component does not fully reflect the actual size. The present invention is not limited by the relative size or spacing drawn in the accompanying drawings.

When a part "includes" a certain element throughout the specification, this means that other elements may be further included, rather than excluding other elements, unless otherwise stated. In addition, when a part is said to be "connected" with another part, it includes not only the case where it is "directly connected" but also the case where it is "electrically connected" with another element interposed therebetween.

The singular expression includes the plural expression unless the context clearly dictates otherwise. Terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification is present, and includes one or more other features, number, or step. , it should be understood that it does not preclude in advance the possibility of the existence or addition of an operation, component, part, or combination thereof.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily carry out the embodiments of the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The grounding structure using the u-bolt assembly according to an embodiment of the present invention includes a first protrusion 12 penetrating a support on one side and a first bending part 11 surrounding a part of the supported object on the other side. A body 10, including a second body 20 having a second protrusion 22 penetrating the support on one side, and a second bending part 21 surrounding a part of the supported object on the other side, wherein the a u-bolt assembly 100 coupling the first bending part 11 and the second bending part 21 to constrain the supported object to the support; And it relates to a grounding structure using a u-bolt assembly further comprising a first grounding rod 60 that is fastened to the protruding portion of the first protruding portion 12 that protrudes as it penetrates the support and is buried in the ground.

In addition, the grounding structure using the U-bolt assembly according to the embodiment of the present invention further includes a second grounding rod 70 that is fastened to the protruding portion of the second protrusion 22 protruding through the support and buried in the ground. do. Here, since the first grounding rod 60 and the second grounding rod 70 have the same configuration, only the first grounding rod 60 will be described, and this will be replaced with the description of the second grounding rod 70 .

2 is a perspective view (left) and an installation example ((top) front, (bottom) back) of a U-bolt assembly according to an embodiment of the present invention, and FIG. 3 is an extended-type grounding of the U-bolt assembly according to an embodiment of the present invention. It is an exploded perspective view of the structure, FIG. 4 is a view showing a U-bolt assembly having an integrated body, FIG. 5 is a view showing a grounding unit according to an embodiment of the present invention, and FIG. 6 is a grounding according to an embodiment of the present invention It is a drawing showing the enclosing.

As shown in FIGS. 2 and 3 , the extended grounding structure of the U-volt assembly according to the embodiment of the present invention is fastened to the U-bolt assembly 100 and embedded in the ground with a first grounding rod 60 and a second It can be implemented as an extended grounding structure using the grounding rod 70 .

First, the u-bolt assembly 100 includes a first body 10 and a second body 20 .

Specifically, the first body 10 has a first protrusion 12 penetrating the support on one side, and a first bending part 11 surrounding a part of the supported object on the other side, and the second body 20 includes A second protrusion 22 penetrating the support on one side and a second bending part 21 surrounding a part of the support on the other side are provided. At this time, the u-bolt assembly 100 binds the first bending part 11 and the second bending part 21 to each other to constrain the supported object to the support. Here, the support may be a concrete base (BL), and the supported object may be a pole (P).

In addition, the u-bolt assembly 100 is fastened to the first protruding part 12 and fastened to the first fixing member 31 and the second protruding part 22 for fixing one side of the first body 10 to the support. and a second fixing member 32 for fixing one side of the second body 20 . Here, the first protrusion 12 and the second protrusion 22 may be machined in the form of a male screw, and the first fixing member 31 and the second fixing member 32 may be nuts corresponding thereto.

4, as another embodiment, the U-bolt assembly 100 includes a first protrusion 12 and a second protrusion 22 penetrating a support on one side, and a bending part surrounding a part of the support on the other side ( An integrated body 15 having 15a) may be applied. That is, the u-bolt assembly 100 has a structure including the integrated body 15 shown in FIG. 4 instead of the structure including the first body 10 and the second body 20 shown in FIGS. 2 and 3 . may apply.

On the other hand, the u-volt assembly 100 further includes a grounding unit 40 for grounding by connecting the grounding wire 200 drawn out from the electric pole (P).

The grounding unit 40 may be fastened to at least one of the first protrusion 12 and the second protrusion 22 .

Referring to FIG. 5 , the grounding unit 40 is a terminal member 41 including a U-bolt fastening part 42 fastened to the U-bolt assembly 100 and a grounding wire fixing part 43 to which the grounding wire 200 is fixed. , and a pressing member 45 for pressing the U-bolt fastening part 42 to fix it to the U-bolt assembly 100 .

And, the U-bolt fastening part 42 is fixed to one side by the third fixing member 33 or the fourth fixing member 34, and the other side is fixed by the pressing member 45 to be fixed to the U-bolt assembly 100. . The pressing member 45 may be a nut corresponding to a male screw type.

In addition, the terminal member 41 may be a compression terminal or a copper tube terminal, and includes a U-bolt fastening hole 44 through which the first protrusion 12 or the second protrusion 22 passes.

Referring back to FIGS. 2 and 3 , the u-bolt assembly 100 may further include a plate-shaped auxiliary grounding plate 50 having a predetermined thickness.

The auxiliary ground plate 50 includes a first U-bolt through-hole 51 through which the first protrusion 12 passes and a second U-bolt through-hole 52 through which the second protrusion 22 passes.

In addition, since the auxiliary grounding plate 50 is applied together with the grounding unit 40 to a location where the grounding resistance is not satisfied, additional excavation for grounding reinforcement is not required, so that it can be expected to reduce construction costs and improve work efficiency.

The first body 10 , the second body 20 , and the auxiliary ground plate 50 are made of stainless steel, and among them, STS is most preferable. STS has excellent corrosion resistance, strength, and abrasion resistance, and has the advantage of being easy to process, has excellent conductivity compared to copper, is inexpensive, and has little corrosion due to aging, so it is effective in preventing soil contamination.

And, the auxiliary ground plate 50 is positioned between the support and the first fixing member 31 and the second fixing member 32 . At this time, each of the first U-bolt through-hole 51 and the first fixing member 31, the second U-bolt through-hole 52 and the second fixing member 32 is aligned with the first body 10 and the first body 10, respectively. 2 It is fixed to the body (20).

In addition, the standard (width X length) of the auxiliary grounding plate 50 is not limited, but when the standard is 360×160 (ground area: 576cm2), it is similar to the conventional arcuate grounding area (570cm2) and is the same effect can be expected.

On the other hand, the first bending part 11 includes a locking part 13 protruding in the opposite direction of the supported object, and the second bending part 21 includes a fixing part 23 coupled to the locking part 13 . do. At this time, the fixing part 23 includes a through-hole 24 passed through to correspond to the locking part 13 , and a plurality of the through-holes 24 are provided along the longitudinal direction of the fixing part 23 .

Through this, the u-bolt unit 100 fastens the first body 10 and the second body 20 by changing the position of the through hole 24 to which the locking part 13 is fastened according to the diameter of the supported object. It can be applied to supports of various diameters.

Next, the first ground copper rod 60 is fastened to the protruding portion of the first protrusion 12 protruding through the support and buried in the ground. Here, the first ground copper rod 60 may be made of copper having excellent electrical conductivity.

Referring to FIG. 6 , the first ground copper rod 60 has a rod shape having a predetermined length, and is a grounding rod fastening part having a fastening groove 62 penetrating the protruding part of the first protruding part 12 on one side. (61) and a tip portion (63) having a pointed shape formed on the other side.

At this time, the first ground copper rod 60 is supported by the first fixing member 31 and is fixed by the third fixing member 33 fastened to the first protrusion 12 . Similarly, the second ground copper rod 70 is supported by the second fixing member 32 and is fixed by the fourth fixing member 34 fastened to the second protrusion 22 .

The cross section of the body of the first ground copper rod 60 may be circular or polygonal. Fig. 5(a) shows a case where the cross section of the body of the first grounding copper rod 60 is circular, and Fig. 5(b) shows the case where the body cross-section of the first grounding copper rod 60 is rectangular.

By the way, it is preferable that the ground copper fastening part 61 forms a contact surface in close contact with each of the first fixing member 31 and the third fixing member when coupled between the first fixing member 31 and the third fixing member. . For example, it is preferable that the grounding copper fastening part 61 has a flat shape like the body of the first grounding rod 60 in FIG. 5(b).

In addition, the tip portion 63 maximizes the discharge efficiency of electric charges and is preferably a pointed shape as a structure for easy burial in the ground.

In addition, the first ground copper rod 60 may be fastened in a vertical downward direction with respect to the protruding portion of the first protrusion 12 .

7A to 7C are views illustrating an example of installation of an extended grounding structure of a U-volt assembly according to an embodiment of the present invention.

7A shows the front surface of the extended grounding structure of the U-Volt assembly, FIG. 7B shows the side of the extended grounding structure of the U-Volt assembly, and FIG. 7C shows an exploded perspective view of the extended grounding structure of the U-Volt assembly.

The first ground copper rod 60 and the second ground copper rod 70 are parallel to each other in the longitudinal direction of the lower side of the electric pole P (that is, the vertical direction of the first protrusion 12 or the second protrusion 22). installed towards That is, the first grounding rod 60 and the second grounding rod 70 change the direction of the flow of charges so that the charges transferred through the U-volt assembly 100 flow in a vertical direction instead of a horizontal direction.

And, when the first grounding rod 60 is fastened to the first protrusion 12 by the first fixing member 31 and the third fixing member 33, the first fixing member 31 and the third fixing member Washers (w1, w3) for preventing loosening of (33) may be inserted.

The extended grounding structure of this U-volt assembly directly burys the grounding rod connecting the grounding wire drawn from the electric pole (P) underground, and there is no inconvenience of having to match the separation distance and the embedding depth between the grounding rod and the electric pole (P) to the standards.

That is, the extended grounding structure of the U-Volt assembly uses the first protrusion 12, the second protrusion 22, the first grounding rod 60 and the second grounding rod as an auxiliary grounding electrode to reduce the number of grounding construction steps and components. can be reduced to increase work efficiency. In this case, the size of the auxiliary ground plate 50 may be reduced.

Although the foregoing description has focused on novel features of the invention as applied to various embodiments, those skilled in the art will recognize the apparatus and method described above without departing from the scope of the invention. It will be understood that various deletions, substitutions, and changes are possible in the form and details of Accordingly, the scope of the present invention is defined by the appended claims rather than by the above description. All modifications within the scope of equivalents of the claims are included in the scope of the present invention.

100: U-volt assembly 200: ground wire
10: first body 11: first bending part
12: first protrusion 13: locking part
20: second body 21: second bending part
22: second protrusion 23: fixed part
24: through hole 31: first fixing member
32: second fixing member 33: third fixing member
34: fourth fixing member 40: grounding unit
41: terminal member 42: U-bolt fastening part
43: ground wire fixing part 44: U-bolt fastening hole
45: pressing member 50: auxiliary ground plate
51: first U-bolt through-hole 52: second U-bolt through-hole
60: first grounding rod 61: grounding rod fastening part
62: fastening groove 63: tip
70: 2nd grounding rod P: Jeon pole
G : Earthing rod BL : Supporting material (proximity)
U: U-volt (conventional)

Claims (10)

A first body having a first protrusion penetrating the support on one side and a first bending portion surrounding a part of the support on the other side; and a second body having a second protruding part penetrating through the support on one side and a second bending part surrounding a part of the supported object on the other side; including, by combining the first bending part and the second bending part with each other a U-bolt assembly for constraining the support to the support; and
a first ground copper rod fastened to the protruding portion of the first protrusion protruding through the support and buried in the ground; including,
It further includes; a grounding unit for grounding by connecting the grounding wire drawn from the electric pole to one side of the u-volt assembly,
The first grounding rod is a rod shape having a grounding copper fastening part having a fastening groove penetrating through the protruding part of the first protruding part on one side, and a tip part having a pointed shape on the other side,
The grounding unit includes a terminal member comprising a U-bolt fastening part fastened to the U-bolt assembly and a grounding wire fixing part to which the grounding wire is fixed, and a pressing member for pressing the U-bolt fastening part to fix the U-bolt fastening part to the U-bolt assembly,
The first grounding copper rod is a grounding structure using a U-bolt assembly that is fastened in a downward vertical direction with respect to the protruding portion of the first protruding portion.
A U-bolt assembly comprising: a first protrusion and a second protrusion penetrating a support on one side, and an integral bending part surrounding a part of the supported object on the other side; and
Containing; and a first ground copper rod to be embedded in the ground by fastening to the protruding portion of the first protrusion protruding through the support;
It further includes; a grounding unit for grounding by connecting the grounding wire drawn from the electric pole to one side of the u-volt assembly,
The first grounding rod is a rod shape having a grounding copper fastening part having a fastening groove penetrating through the protruding part of the first protruding part on one side, and a tip part having a pointed shape on the other side,
The grounding unit includes a terminal member comprising a U-bolt fastening part fastened to the U-bolt assembly and a grounding wire fixing part to which the grounding wire is fixed, and a pressing member for pressing the U-bolt fastening part to fix the U-bolt fastening part to the U-bolt assembly,
The first grounding copper rod is a grounding structure using a U-bolt assembly that is fastened in a downward vertical direction with respect to the protruding portion of the first protruding portion.
3. The method according to claim 1 or 2,
a second ground copper rod for burying in the ground by fastening to the protruding portion of the second protrusion protruding as it penetrates the support;
Grounding structure using a U-bolt assembly further comprising a.
3. The method according to claim 1 or 2,
The support is a grounding structure using a U-bolt assembly that is a base of concrete.
3. The method according to claim 1 or 2,
The supported object is a grounding structure using a U-bolt assembly that is a pole.
3. The method according to claim 1 or 2,
The grounding unit is
A grounding structure using a U-bolt assembly that is fastened to at least one of the first protrusion and the second protrusion.
The method of claim 1,
It further includes a; plate-shaped auxiliary grounding plate having a predetermined thickness.
The auxiliary grounding plate is
a first U-bolt through-hole through which the first protrusion passes; and
and a second U-bolt through hole through which the second protrusion passes;
The first body, the second body, and the auxiliary grounding plate is a grounding structure using a U-bolt assembly that is formed of stainless steel.
The method of claim 1,
The first bending part,
A grounding structure using a U-bolt assembly comprising a; a locking part protruding in the opposite direction of the supported object.
9. The method of claim 8,
The second bending part,
A grounding structure using a U-bolt assembly comprising a; a fixing part coupled to the locking part.
10. The method of claim 9,
The fixing part,
It includes a; through-hole penetrated to correspond to the locking part;
A grounding structure using a U-bolt assembly in which a plurality of the through-holes are provided along the longitudinal direction of the fixing part.

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