KR100431978B1 - Grounding system of circle type earth bar. - Google Patents

Abstract

The present invention has been frequently used to cause damage to human life and property due to the impact of lightning voltage and malfunction of the machine due to the lightning strike on transmission and distribution lines, communication facilities and various building structures, etc. It relates to a cylindrical straight rod, which is a grounding material required for the grounding work. In the past, many grounding rods and a lot of grounding reducers were used to obtain a low grounding requirement by using a grounding rod, a grounding reducer, and a soil stabilizer. .

Practical application 99-25587 (Registration No. 0290171) filed by the applicant of the earth ground coring excavation structure has been shown to be effective in the conventional method as a result of the field application, but the grounding fuselage for guaranteeing the low ground resistance required It has been pointed out that it is necessary to improve the grounding effect while reducing the excavation depth and to prevent the loss of mixed ground reducing agent due to the geological structure of underground soil layers.

The present invention is to reduce the deep excavation with a cylindrical straight rod that is a ground construction material that can further increase the adhesion coefficient between the ground fuselage and the ground when the grounding construction in the coring excavation structure or general burial, and the ground resistance value of the KEPCO standard, electrical equipment technical standards It is an invention to be able to improve a number of conventional problems by easily securing the lowest ground resistance by.

Description

Grounding system of circle type earth bar.

In general, transmission and distribution lines, communication facilities, and various building structures are frequently causing damage to human life and property due to the impact of lightning voltage and the malfunction of the machine.

The present invention devised to improve such a problem relates to a cylindrical straight rod, which is a grounding material, and more particularly, a grounding material required for the grounding work constituting a reliable grounding system by ensuring a low grounding resistance value. To a cylindrical straight rod.

Figure 1 shows a number of common ground rod 16 and a relatively large area was constructed in order to obtain a low ground resistance value in the conventional ground construction.

The second or third type, which is applied to the transformer 11, the finishing 13, the middle wire 14, the processing branch line 15, etc., at the left end of the columnar pole 6, which is dried on the ground 7 of FIG. The ground construction of the structure is shown and the right end shows the structure constructed with the first type ground, which is the ground construction of the arrester 12.

On the other hand, the figure located on the right side of Fig. 1 shows that the conventional general grounding rod of the building 8 is constructed and constructed in a relatively large area.

The conventional grounding construction method and the applicant's utility structure 99-25587 (Registration No. 0190171), the grounding coring excavation structure, the ground construction site using grounding wire, general grounding rod, grounding reducing agent and soil stabilizer It has been used to form a structure that improves the conductivity by improving contact between the general ground rod and soil.

However, when deepening the excavation length, the excavation cost is increased due to the soil type, the groundwater layer invasion, the limited depth of excavation coverage, the increase of excavation cost, the passage of underground subway, the groundwater layer or various obstacles There are problems caused by the spread of excavation, and accordingly, there are many problems in management after construction along with the increase of construction cost and complaints.

The present invention has been devised to improve the problems created in the prior art as described above by placing a cylindrical straight rod, which is a grounding construction material, in the ground designation place into the excavation hole (29) in the case of deep drilling, and a cylindrical straight rod which is a grounding construction material. It is a configuration that can be filled with a mixed reducing agent to increase the adhesion coefficient with the earth.

Also, in the case of burial partially excavated under the ground rather than deep seam construction, the cylindrical straight rod and the ground are formed to be in close contact with no voids, and in general, the depth of excavation depth is calculated in consideration of the earth resistance, soil composition, and underground buried material. In order to guarantee the required ground resistance value, the length of the main body 1 can be adjusted or the straight line can be deformed from the straight line to form the shape of the needle (b), so that the mixed reducing agent and the earth filled in the main body 1 can be brought into close contact with each other. The first outflow hole and the third outflow hole are constituted.

After the excavation of the present invention, the ground cover lower cover 17 in the place where the adhesion strength of the cylindrical straight rod and the ground may be significantly reduced due to the loss or filling failure of the mixed reducing agent due to the internal bleeding phenomenon and groundwater penetration of the soil. By using the traction line 25 is maintained in a completely sealed state it is a preferred configuration to prevent the phenomenon of loss or bleeding of the mixing reducing agent.

In addition, in the soil of wet and dry, it is formed in such a configuration that it can be inserted to be inserted to the lower end of the excavation hole 29 to be gradually released to the outside to increase the cohesion coefficient with the land, so that the low earth resistance To provide a value.

1 is a cross-sectional view of a ground construction structure of a conventional transmission and distribution line and a building, etc.

Figure 2 is a cross-sectional view of the ground construction structure of the transmission and distribution lines and buildings of the present invention

3 is a detailed exploded view of a cylindrical straight rod that is a ground construction material of the present invention

Figure 4 is a detailed view when combining the cylindrical straight rods grounding material of the present invention

Figure 5 is an exploded detail view of the cylindrical straight rod portion of the ground construction material of the present invention

<Explanation of symbols for main parts of drawing>

1.grounding body 2.grounding lead 3.concrete injector

4. Concrete inlet 5. Mixed ground reducing agent 6. Pole pole

7. Floor 8. Building 9. Mixture Reduction Compaction Layer

10. Mixed Reducing Agent Filling Layer 11. Column Transformer 12. Lightning Arrester

13.Complete 14.Neutral wire 15.Processed wire

16. Existing ground rod 17. Ground body lower cover 18. Lower fill outer cover

19.Secondary ground copper wire 20.Ground lead wire connection point 21.Second outflow

22. Silver foil tape 23. Lower cover inner cover 24. Copper tube terminal

25. Lower cover towing 26. Temporary protective cover 27. "A" Band

28. "B" Band 29.Digger 30.Bentonite

31. Lower cover tow ring 32. Outlet 3 33. Lower cover inner cover insertion space

34.Outflow 1st 35.Outflow 1 36.Outflow 2

37.Protrusion 38.Release prevention ring 39.Hole

40.Ending line end point

Cylindrical straight rods according to the present invention for achieving the above object, can be applied to the grounding work of transmission and distribution lines, communication facilities, various buildings, etc. In the ground fuselage made of a material, the upper and lower parts are formed in a cylindrical shape with a second outlet hole 21 of the second outlet hole 36 having a constant interval thereon and a silver foil tape 22 attached to the cylindrical surface. A cylindrical straight rod in which the copper wire 19 passes through the separation preventing ring 38 and is raised above the ground lead connection point;

A ground body (1) formed at a predetermined portion of the lower portion of the cylindrical straight rod having a first outlet hole (35) formed in a cylindrical tube for layering of a mixed reducing agent;

The first outlet hole 34 of the outlet hole is drilled in the ground body 1 and is provided with opening and closing means of the first outlet hole 34 formed of a lower filling outer cover 18 and a lower filling inner cover 23. Become;

The lower cover 17 and the temporary protective cover 26 for covering the lower end and the upper end of the ground body 1 are mounted, respectively, the lower cover tow 25 and the towing ring for towing the lower cover 17. (31);

The copper tube terminal 24 is installed at both ends of the upper ground body 1, so that the grounding conductor 2 is connected.

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

2 is a form of excavation improved by the present invention and the ground body 1, which is a cylindrical straight rod, is seated on the mixed reducing agent filling layer 10, and the grounding conductor 2 and the ground auxiliary copper line 19 are at the upper end of the excavation surface. A cylindrical straight rod and a coring excavation structure made of a configuration in which the mixed reducing agent compaction layer 9 may be formed to be drawn out.

As shown in FIG. 2, the characteristics of the grounding work such as the grounding work or the meshing method by the excavation structure or the general embedding can be variously used. It is desirable to allow the subsurface soil to adhere to the earth quickly during lightning strikes.

3 is an exploded state diagram of a cylindrical straight rod of the present invention, which includes a second outlet hole 21 of the second outlet hole 36 in which the upper and lower parts of the ground body 1 are cylindrically maintained at a predetermined interval. It is formed of a silver foil tape (22) attached to the cylindrical surface and the first outlet hole 35 for the filling of the mixing reducing agent is composed of a ground body (1) formed in the cylindrical tube at a predetermined portion of the lower portion.

The first outlet hole 34 is drilled in the ground body (1) and is provided with a first outlet opening and closing means consisting of a lower filling outer cover 18 and a lower filling inner cover (23);

The lower cover 17 and the temporary protective cover 26 for covering the lower end and the upper end of the ground body 1 are respectively mounted.

4 is a state diagram when the cylindrical straight rod of the present invention is shown, consisting of a lower cover towing line 25 and a traction ring 31 for pulling the lower cover 17 and the ground body (1) Copper pipe terminals 24 are installed at both ends thereof, and the grounding conductor 2 is connected thereto.

As shown in Fig. 3 and Fig. 4, the "A" band 27 and the "B" band 28 are divided into "A" bands in terms of their functional parts; The first outflow study has the advantage that it can be used as a means that can be ejected to be in close contact with the ground by being opened after being seated in the intended excavation point to the opening and closing structure.

Meanwhile, as shown in FIGS. 3 and 4, the groundwater 1 is closed to prevent the infiltration of water or soil in the ground main body 1 due to the collapse of the excavated soil in the infiltration of groundwater and wet sand layers. After applying a bentonite 30 to the lower part of the excavation hole 29 for a predetermined time, the periphery of the excavation hole is stabilized, and then the auxiliary grounding line 19 is pulled up to a predetermined length to open the lower filling inner cover. Means for increasing the adhesion coefficient of

Thus in the " B " band 28; When the second outflow hole 36 is also buried deeper than the length of the ground main body 1 by means of opening or deep sea construction, the silver foil tape 22 is removed in advance so that the mixed reducing agent can be taken out and filled. Will be.

On the other hand, the silver foil tape 22 is used in the place where it is used in such an open state, and is buried low so as to completely fill the mixed reducing agent and select the structure of the sealing, and in places where there is concern about the infiltration of large amounts of groundwater and the excavation of excavated soil. It is configured in a form that does not remove. .

The second outflow hole according to the present invention configured as described above is configured such that the second outflow hole 36 and the separation prevention ring 38 are maintained at a predetermined interval at the upper end of the “B” band 28. The separation prevention ring 38 mounted on the lower filler inner cover 23 is further prevented from being entangled or twisted in the open part of the upper part of the ground body 1 by going up.

Meanwhile, as shown in FIG. 4, the copper tube terminal 24 is mounted at both ends of the ground main body 1 to connect the ground lead 2, and the ground lead connection point 20 configured as described above is the ground main body 1. It is characterized by being bonded to one at a portion maintained at least 1M in the upper end.

When the ground lead connection point 20 is connected in this way, the ground lead is pulled up to the upper end of the excavation hole 29, and the auxiliary ground copper line 19 and the lower cover traction line 25 are formed together at this time. 19) is achieved by connecting the ground conductor and the heating conductor 33 to the ground conductor together with the ground conductor to achieve the desired means, and the lower cover traction line 25 is to be utilized or removed as a position indicating means of the excavation hole. Configuration.

As a means for this configuration, the ground body lower cover 17 is configured in the form of a cover at the bottom of the ground body and the lower cover traction ring 31 with the towing of the lower cover traction line 25 and the traction line at the time of complete removal of the traction line. It is welded firmly by forming an annular shape so that any part can be cut and pulled to one side to remove it.

Meanwhile, as shown in FIG. 4, the cover configured in the form of a temporary protective cover 26 and a hole 39 at the upper end of the ground body 1 has only a lower cover pull line 25 passing through the ground body 1. At this time, the hole 39 is drilled for the movement of the traction ship, and the cover is composed of a cover at all times in areas of concern for groundwater infiltration and collapse of soil.

Cylindrical straight rod according to the present invention configured as described above is to strengthen the close filling of the mixing reducing agent and the soil inside the ground body (1) in the coring excavation structure to be forced to the upper end of the ground body (1) It is preferable to remove, but it can be used as an auxiliary means for overfilling the mixed reducing agent in the ground body before storage and construction of the product.

As shown in detail in FIG. 5, the first outflow hole 35 is configured to maintain a constant distance vertically and horizontally to the “A” band 27, which is the lower end of the center of the ground body 1, and the first outflow hole. 34 is perforated on the grounding body 1, and the lower filling outer cover 18 is mounted on the perforated surface thereon.

When the first outflow hole is formed in this way, the first outflow hole 34 of the lower filling outer cover is maintained in a form in which the lower filling inner cover insertion space 33 is formed and can be opened, and the protrusion 37 When the third outlet hole 32 is drilled and the lower filling inner cover 23 is opened, the first outlet hole 34 and the third outlet hole 32 are intended to pass through each other.

On the other hand, when the lower filling inner cover 23 is closed, the first outflow hole 34 and the third outflow hole 32 are sealed to each other, so that it is composed of a means to suppress the penetration of the mixed reducing agent and the groundwater or the wet and dry soil. to provide.

In the case of using the cylindrical straight rod, which is the grounding material in various grounding projects as described above, it is possible to construct simply and variously by considering each matters on the site sufficiently, thereby reducing the construction cost and guaranteeing stable grounding resistance value for several decades. There are some useful features to do.

As described above, the present invention improves the disadvantages of the prior art and at the same time, the excavation length calculation considering the geological condition of the excavation site, the underground buried material, as well as securing the maintenance interval between ground types, as well as the advantage to sufficiently reflect the required low ground resistance value This is a very useful invention.

It is possible to flexibly add and decrease cylindrical straight rods and excavation depth, which are ground fuselage, and to guarantee earth resistance value required, so that it can be quickly grounded when the surge voltage (millions to billions of volts) penetrates protective devices such as lightning rods and lightning arresters. It can also be discharged to prevent fire, equipment damage and casualties.

For example, it is possible to grasp the ground construction position by the lower cover traction line 25, and the multifunctionality of the main body 1 reduces the ground construction site and reduces the occupied area, thereby suppressing the cause of civil delays caused by obstacles, and greatly improving the economic reflection benefits. It is an improved useful invention.

Claims (4)

In the ground fuselage which is a ground excavation method or a ground construction material buried under the ground of the grounding work of various electrical installations and buildings, the second discharge hole 21 having a silver outlet tape 22 on the surface thereof Outflow hole 36 and the lower portion of the first discharge hole 35 for the filling of the mixing reducing agent is formed in the cylindrical tube, the auxiliary grounding line 19 is passed through the separation prevention ring 38 A ground body (1) configured to be raised above the ground lead connection point; The first outlet hole 34 of the outlet hole is drilled in the ground body 1 and is provided with opening and closing means of the first outlet hole 34 formed of a lower filling outer cover 18 and a lower filling inner cover 23. Become; The lower cover 17 and the temporary protective cover 26 for covering the lower end and the upper end of the ground body 1 are mounted, respectively, the lower cover tow 25 and the towing ring for towing the lower cover 17. (31); A cylindrical straight rod, which is a grounding construction material, characterized in that the copper conductor terminal 24 is installed at both ends of the ground main body 1 so that the grounding conductor 2 is connected. The lower filling outer cover 18 is formed of a protrusion 37 and a third outlet hole 32, the protrusion 37 is to be matched with the first outlet hole 34 of the body (1) A cylindrical straight rod, which is a ground construction material, is characterized in that a third outflow hole 32 is formed and both outflow works are provided with a lower filling inner cover insertion space 33 due to the protrusion 37. The grounding method of claim 1, wherein the first outlet hole 35 of the ground body 1 is fitted to be detachably inserted between the first outlet hole 34 and the lower filler outer cover 18. Cylindrical straight rod as construction material 4. The cylindrical straight rod as claimed in any one of claims 1 to 3, wherein the temporary protective cover (26) has a hole (39) perforated to penetrate the lower cover towing line (25).