KR102583408B1 - Method for installing position indicator in low voltage junction box - Google Patents

Abstract

The low-pressure junction box location indicator installation method according to the present invention includes the steps of moving the low-pressure junction box position indicator installation device to the site where the low-pressure junction box is installed, removing the lid of the low-pressure junction box from the ground, and the low-pressure junction box. Placing a lid on one side of a frame member where one side is formed at a lower height than the other three sides, and placing the low pressure connection lid on the frame member while being supported by a roller member installed inside the frame member. Moving it inside, placing a scattering prevention member including a level on the low-pressure connection box lid, and rotating the leveling handle included in the leveling member installed on the upper part of the frame member to adjust the level. adjusting the horizontal position of the low-pressure connection box lid by lowering the central axis formed downward from the center of the handle, and supplying power to a drill member installed on a support member disposed across the frame member to Rotating the included drill bit, lowering the drill member by rotating the rotation handle disposed on the support member, and processing the low pressure connection box lid using the drill bit to form a circular shape for installing the position indicator. forming a coupling opening in a concave portion and in the center of the concave portion, placing a position indicator in the circular concave portion, and fastening a nut to a bolt portion of the position indicator to connect the position indicator to the low pressure lid. It includes the step of fixing the low-pressure junction box lid to the original ground.
According to the present invention, a position indicator can be installed by easily processing various types of low-voltage connection boxes.
In addition, the accuracy of processing can be improved by adjusting the level of the low-pressure junction box lid being processed, preventing the position indicator from protruding from the low-pressure junction box lid, and preventing scattering of powder generated during processing, thereby reducing environmental pollution and the resulting Civil complaints can be prevented.

Description

{METHOD FOR INSTALLING POSITION INDICATOR IN LOW VOLTAGE JUNCTION BOX}

The present invention relates to a low-pressure junction box position indicator installation method. More specifically, the present invention relates to a low-pressure junction box position indicator installation method. More specifically, it can be easily processed in response to various types of low-pressure junction boxes, and improves processing accuracy by adjusting the level of the low-pressure junction box lid being processed. This invention relates to a method of installing a position indicator in a low-pressure junction box designed to prevent scattering of powder generated during processing.

A manhole cover is installed at the part connected to the ground from the manhole constructed to supply water, sewerage, electricity, communications, gas, etc. within the city.

The manhole cover serves as an entrance for inspection and cleaning of underground facilities, and a meter is installed at the bottom to check the flow rate of water or gas flowing in the manhole.

The low-voltage junction box, which is a type of the manhole, is a structure installed at the part where low-voltage cables buried underground are connected. It means a small connection box.

The low-voltage junction box includes a case for accommodating cables and connectors and a lid for closing the top of the case.

In the event of an emergency, such as a rainy season or ground subsidence, inspection and repair of the inside of the low-pressure junction box may be required. In such cases, being able to easily identify the location of the low-pressure junction box is a very advantageous factor for rapid inspection and repair.

However, the conventional low-pressure junction box lid generally serves to prevent various foreign substances and water from flowing into the low-pressure junction box, and has limitations in providing the role of displaying information or location related to the low-pressure junction box.

The lid of a low-voltage junction box is usually installed on a road or alley. If the lid is installed to display related information using a separate structure, the lid may be damaged over a long period of time due to shock from passing vehicles or pedestrians. The connection between the lid and the low-pressure junction box may be damaged or separated.

In this case, running water flows in through the damaged or separated parts as described above, damaging equipment installed therein or causing electric shock to pedestrians.

Therefore, there is a need to install a low-pressure junction box position indicator that does not protrude from the low-pressure junction box lid and can maintain durability and watertightness during installation.

However, in order to process the conventional low-pressure junction box lid, the low-pressure junction box lid must be processed at a predetermined location, such as a processing factory, and then moved back to its original location. However, when the lid is separated from the low-pressure junction box, the low-pressure junction box lid must be processed. Measures must be taken to prevent foreign objects or people from falling into the junction box.

In addition, the low-pressure junction box lid is heavy and is not easy to move, which is a factor that makes processing the low-pressure junction box lid cumbersome.

The purpose of the present invention is to provide a low-pressure junction box position indicator installation method configured to easily respond to and process various types of low-pressure junction boxes.

Another object of the present invention is to provide a low-pressure junction box position indicator installation method configured to increase processing accuracy by adjusting the level of the low-pressure junction box lid being processed.

Another object of the present invention is to provide a low-pressure junction box position indicator installation method configured to prevent scattering of powder generated during processing.

The low-pressure junction box location indicator installation method according to the present invention for achieving the above object includes the steps of moving the low-pressure junction box position indicator installation device to the site where the low-pressure junction box is installed, and separating the lid of the low-pressure junction box from the ground. and placing the low-pressure connection box lid on one side of a frame member where one side is formed at a lower height than the other three sides, and performing the low-pressure connection while being supported by a roller member installed inside the frame member. moving the lid to the inside of the frame member, placing a scattering prevention member including a level on the low pressure junction box lid, and installing a horizontal adjustment handle included in the horizontal adjustment member installed on the upper part of the frame member. adjusting the horizontal position of the low-pressure connection box lid by rotating it to lower the central axis formed downward from the center of the horizontal adjustment handle, and applying electric power to a drill member installed on a support member disposed across the frame member. supplying and rotating a drill bit included in the drill member, lowering the drill member by rotating a rotation handle disposed on the support member, and processing the low-pressure connection box lid with the drill bit, Forming a circular recess in which the position indicator is to be installed and a coupling opening in the center of the recess, placing the position indicator in the circular recess, and fastening a nut to the bolt portion of the position indicator to form the position indicator. It includes the step of fixing the low-pressure junction box lid to the low-pressure junction box lid and placing the low-pressure junction box lid on the original ground.

Preferably, in the step of lowering the drill member, a base member for installing the drill member is disposed on the support member, and a drill holding member is installed on the base member to slide in the up and down direction, and the rotation handle By rotating the part, the drill holding member is configured to slide downward so that the drill member is lowered.

In addition, in the step of adjusting the horizontal position of the low-pressure connection box lid, an elastic member is disposed at a portion where the roller support and the roller member contact, and the low-pressure connection is disposed on the roller member by rotating the horizontal adjustment member. The horizontal position of the low-pressure connection box lid can be adjusted by pressing the side of the box lid and moving it downward.

In addition, a drill upper fixing member is detachably coupled to the drill holding member, one side of the drill member is detachably coupled to the drill holding member, and the other side of the drill member is detachably coupled to the drill upper fixing member. It can be configured to be capable of being combined to facilitate replacement of the drill member.

Preferably, the step of supplying power to the drill member is performed by connecting the cable of the drill member to an outlet formed in the base member.

In addition, the scattering prevention member is made of synthetic resin and is formed in a hexahedral shape without a bottom, and a passage opening for the drill bit to pass through is formed on the upper surface of the scattering prevention member to adjust the horizontal position of the low pressure connection box lid. It can be configured to simultaneously provide the function of preventing scattering of powder generated during processing.

In addition, the roller shaft of the roller member is formed in a rectangular cross-sectional shape, and the roller support portion is formed to include a concave portion for accommodating the roller shaft in the rectangular cross-sectional shape, so that the roller member is not rotated when processing the low-pressure connection box lid. It can be.

Here, an elastic member is disposed to surround the roller shaft, and by rotating the horizontal adjustment member, the side of the low-pressure connection box lid placed on the roller member is pressed and moved downward to adjust the horizontal position of the low-pressure connection box lid. It can be configured as follows.

In the step of lowering the drill member, a stopper member for limiting the downward position of the drill member is coupled to the drill upper fixing member, and a downward position limiting member for interfering with the stopper member is attached to the base member. Possibly combined, the stopper member may be interfered with by the downward position limiting member to determine the downward position of the drill member.

Meanwhile, in the step of adjusting the horizontal position of the low-pressure junction box lid, the side of the low-pressure junction box lid disposed on the roller member is pressed downward by rotating the auxiliary horizontal adjustment member installed on one side of the upper surface of the frame member. It can be moved to and performed.

In addition, the auxiliary horizontal adjustment member includes an auxiliary horizontal adjustment handle and an auxiliary horizontal adjustment center axis formed downward from the center of the auxiliary horizontal adjustment handle, a screw thread is formed on the auxiliary horizontal adjustment center axis, and the frame member An auxiliary horizontal adjustment support member is installed to support the auxiliary horizontal adjustment central axis, and a through opening for penetrating the auxiliary horizontal adjustment central axis is formed in the auxiliary horizontal adjustment support member, and the auxiliary horizontal adjustment support member is formed on an inner surface of the through opening. A screw thread that is spirally connected to the control center axis is formed, so that by rotating the auxiliary horizontal control member, the auxiliary horizontal control center axis is moved downward and the side of the low pressure connection box lid is pressed and moved downward.

And, the step of moving the low-pressure junction box position indicator installation device can be performed by coupling the crane connection ring to the crane connection formed on the base member.

According to the present invention, a position indicator can be installed by easily processing various types of low-voltage connection boxes.

In addition, by easily adjusting the horizontality of the low-pressure junction box lid being processed, the accuracy of processing can be increased and the position indicator can be prevented from protruding from the low-pressure junction box lid.

Additionally, by preventing scattering of powder generated during processing, environmental pollution and resulting civil complaints can be prevented.

The attached drawings are intended to help you understand the technical idea of the present invention along with the detailed description of the invention, and therefore the present invention should not be construed as limited to the matters shown in the drawings.
Figure 1 is a flowchart of the procedure for installing a low-voltage junction box location indicator according to the present invention;
Figure 2 is a perspective view of the low-pressure junction box position indicator installation device used in the above installation method,
Figure 3 is a plan view of the installation device,
Figure 4 is a perspective view of the low-pressure connection box lid placed on the installation device;
Figure 5 is a perspective view of the roller support portion formed inside the frame member of the installation device;
Figure 6 is a perspective view of the roller member disposed on the roller support part;
Figure 7 is a perspective view of a roller member according to another embodiment of the present invention;
Figure 8 is a perspective view of an installation device according to another embodiment of the present invention;
Figure 9 is a perspective view of an installation device according to another embodiment of the present invention;
Figure 10 is a perspective view of the scattering prevention member included in the installation device;
Figure 11 is a perspective view of the scattering prevention member in a state where it is disposed;
Figure 12 is a perspective view with a recess and an opening formed for coupling the position indicator to the low-voltage junction box lid;
Figure 13 is a perspective view of the position indicator,
Figure 14 is a perspective view of the position indicator coupled to the low-voltage junction box lid.

Hereinafter, the configuration of the present invention will be described in detail with reference to the attached drawings.

Prior to this, the terms used in this specification and claims should not be construed limited to their dictionary meaning, and based on the principle that the inventor can appropriately define the concept of the term in order to explain his or her invention in the best way, , should be interpreted with meaning and concept consistent with the technical idea of the present invention.

Accordingly, the embodiments described in this specification and the configurations shown in the drawings are only preferred embodiments of the present invention and do not express the entire technical idea of the present invention, so various equivalents that can replace them at the time of filing the present application It should be understood that variations and variations may exist.

Figure 1 is a flowchart of the procedure of the low-pressure junction box position indicator installation method according to the present invention, Figure 2 is a perspective view of the low-pressure junction box position indicator installation device used in the installation method, Figure 3 is a plan view of the installation device, and Fig. 4 is a perspective view of the low-pressure connection box lid disposed on the installation device, Figure 5 is a perspective view of the roller support portion formed inside the frame member of the installation device, and Figure 6 is a perspective view of the roller member disposed on the roller support portion. It is a perspective view, Figure 7 is a perspective view of a roller member according to another embodiment of the present invention, Figure 8 is a perspective view of an installation device according to another embodiment of the present invention, and Figure 9 is an installation according to another embodiment of the present invention. It is a perspective view of the device, Figure 10 is a perspective view of the scattering prevention member included in the installation device, Figure 11 is a perspective view of the scattering prevention member in a state in which the scattering prevention member is placed, and Figure 12 is a diagram for attaching a position indicator to the low pressure junction box lid. It is a perspective view with the recess and the opening formed, Figure 13 is a perspective view of the position indicator, and Figure 14 is a perspective view of the position indicator coupled to the low-pressure junction box lid.

Referring to Figure 1, the low-pressure junction box location indicator installation method according to the present invention includes the steps of moving the low-pressure junction box position indicator installation device to the site where the low-pressure junction box is installed (step 10), and removing the lid of the low-pressure junction box from the ground. A step of separating (100) (step 20), and the low-pressure connection box lid (100) is placed on one side (2) of the frame member (10) formed at a lower height than the other three sides (4, 6). A step of placing on the side (2) and moving the low-pressure connection box lid (100) into the inside of the frame member (10) while being supported by a roller member (40) installed inside the frame member (10). A step (step 30), a step (step 40) of placing a scattering prevention member 150 including a level 160 on the low pressure junction box lid 100, and a step installed on the upper part of the frame member 10. By rotating the horizontal adjustment handle 122 included in the horizontal adjustment member 120, the central axis 124 formed downward from the center of the horizontal adjustment handle 122 is lowered to lower the low pressure connection box lid 100. ) of adjusting the horizontal position (step 50), and supplying power to the drill member 90 installed on the support member 50 disposed across the frame member 10 to the drill member 90. A step of rotating the included drill bit 92 (step 60) and a step of lowering the drill member 90 by rotating the rotation handle 110 disposed on the support member 50 (step 70). And, the low-pressure connection box lid 100 is processed using the drill bit 92 to form a circular concave portion 102 for installing the position indicator 200 and a coupling opening 104 at the center of the concave portion 102. forming (step 80), placing the position indicator 200 in the circular concave portion 102 (step 90), and attaching a nut 210 to the bolt portion 202 of the position indicator 200. ) to fasten the position indicator 200 to the low-pressure connection box lid 100 (step 100), and the step of placing the low-pressure connection box lid 100 on the original ground (step 110). Includes.

The low-voltage junction box position indicator installation method according to the present invention is performed using the low-voltage junction box position indicator 200 installation device shown in FIGS. 2 to 4 developed by the inventor of the present invention.

The worker first moves the low-voltage junction box location indicator installation device to the site where the low-voltage junction box is installed. (Step 10)

A crane connection portion 66 may be formed at the rear of the base member 60 included in the installation device to couple a crane connection ring (not shown).

Therefore, by connecting the crane connection ring to the crane connection part 66, the installation device can be easily moved onto the transport vehicle.

And, after moving the installation device through a transport vehicle as described above, a worker can hold the handle portion 30 and move it to a narrow alley, etc.

Then, the lid 100 of the low-voltage junction box is separated from the ground. (Step 20)

The frame member 10 included in the position indicator installation device is a component that forms the overall shape of the installation device, and is a metal bar with a “ㄷ” or “ㅁ” shaped cross section, and is rectangular when viewed from above. It is formed to have a shape.

In the frame member 10, one side 2 is formed at a lower height than the remaining three sides 4 and 6.

And, on the inner surface of the frame member 10 where the roller member 40 is disposed, a roller support portion 12 for supporting the roller member 40 is installed as shown in FIG. 5.

In addition, a roller member 40 having a cylindrical outer shape as shown in FIG. 6 is mounted and detachably installed on the roller support portion 12.

In this state, with the edge of the low-pressure connection box lid 100 mounted on one side (2) formed at a low height, the low-pressure connection box lid 100 is placed inside the frame member 10. It can be easily placed by pushing towards it. (Step 30)

A wheel portion 20 is disposed on the bottom of the frame member 10, and a handle portion 30 is installed on the upper surface of the frame member 10, so that the operator can easily move the installation device according to the present invention. It is structured so that

Then, the scattering prevention member 150 including the level 160 is placed on the low-pressure junction box lid 100 (step 40).

The scattering prevention member 150 is configured to prevent scattering of powder generated when processing the low-pressure connection box lid 100 with the drill bit 92.

The scattering prevention member 150 is made of a transparent synthetic resin material such as acrylic and is formed in a hexahedral shape without a bottom, so that the powder generated during processing does not scatter to the outside but falls inside the scattering prevention member 150.

In addition, a passage opening 152 for passing the drill bit 92 is formed in the upper surface of the scattering prevention member 150, and a level 160 is formed on the bottom of the upper surface inside the scattering prevention member 150. ) can be installed.

Therefore, by placing the scattering prevention member 150 on the low-pressure connection box lid 100, the horizontal position of the low-pressure connection box lid 100 can be adjusted while looking at the level 160, and at the same time, the powder generated during processing can be adjusted. scattering can be prevented.

A support member 50 made of a metal material is disposed across the frame member 10 at an upper portion of the frame member 10 at approximately the center.

The support member 50 may also be formed as a metal bar having a “ㄷ” or “ㅁ” cross-sectional shape, and is welded and joined while disposed across the frame member 10.

In addition, a pair of horizontal adjustment members 120 are installed on both sides of the base member 60 in the support member 50.

The horizontal adjustment member 120 is formed downward from the center of the horizontal adjustment handle 122 and the horizontal adjustment handle 122, in which a protrusion 123 is formed for gripping by the person performing the installation method according to the present invention. Includes a central axis 124.

Here, a screw thread is formed on the central axis 124.

In addition, a through opening 52 for penetrating the central axis 124 is formed in the support member 50, and a thread spirally coupled to the central axis 124 is formed on the inner surface of the through opening 52. do.

In addition, as shown in FIGS. 5 and 6, the roller shaft 44 of the roller member 40 is formed in a square cross-sectional shape, and the roller support part 12 has the roller shaft 44 of the square cross-sectional shape. It is formed to include a recessed portion 122 for receiving it.

Thus, the roller shaft 44 of the roller member 40 is removable from the roller support portion 12, but is configured not to rotate when the roller member 40 is mounted.

Therefore, the processing position can be adjusted by selectively installing the roller member 40 on the roller support part 12 according to the type of the low pressure junction box lid 100 and the drill member 90.

Additionally, in case the roller member 40 is damaged, it can be replaced and installed very easily.

In addition, the roller member 40 is formed to have a cylindrical outer surface, but is configured not to rotate, thereby preventing the roller member 40 and the low-pressure connection box lid 100 from moving during processing for installing the position indicator. It can be prevented.

In addition, an elastic member 15 such as rubber is disposed at a portion of the roller support portion 12 that contacts the roller shaft 44 of the roller member 40.

Alternatively, in another embodiment of the present invention shown in FIG. 7, an elastic member 46 such as rubber is arranged to surround the roller shaft 44, and the elastic member 46 is in the concave portion 122. It may be configured to be supported by.

Therefore, when a force is applied to the roller member 40 by supporting the shaft 44 of the roller member 40 at the roller support portion 12 via the elastic members 15 and 46, the The roller member 40 is configured to be slightly moved downward.

In this state, by rotating the horizontal adjustment member 120 to move the central axis 124 downward, the side of the low-pressure junction box lid 100 disposed on the roller member 40 is pressed and moves downward. It can be.

Therefore, the horizontal position of the low-pressure connection box lid 100 can be adjusted by selectively rotating the horizontal adjustment handles 122 included in the horizontal adjustment members 120 installed on both sides of the support member 50. Yes. (Step 50)

Meanwhile, in another embodiment of the present invention shown in FIGS. 8 and 9, an auxiliary horizontal adjustment member 130 is installed on one side of the upper surface of the frame member.

The auxiliary horizontal control member 130 includes an auxiliary horizontal control handle 132 formed with a protrusion 133 for gripping, and an auxiliary horizontal control center axis formed downward from the center of the auxiliary horizontal control handle 132. Includes (134).

A screw thread is formed on the auxiliary horizontal adjustment center axis 134.

In addition, an auxiliary horizontal adjustment support member 140 is installed on the upper surface of the frame member 10 to support the auxiliary horizontal adjustment central axis 134.

In addition, the auxiliary horizontal adjustment support member 140 is formed with a through opening 142 for penetration of the auxiliary horizontal adjustment center axis 134, and on the inner surface of the through opening 142 is the auxiliary horizontal adjustment center axis ( 134) and a thread for helical connection are formed.

Thus, by rotating the auxiliary horizontal adjustment member 130, the side of the low-pressure junction box lid 100 disposed on the roller member 40 can be pressed and moved downward.

As described above, by arranging auxiliary horizontal adjustment members 130 on both sides of the horizontal adjustment member 110 in addition to the horizontal adjustment member 110, the horizontal position of the low pressure connection box lid 100 can be adjusted more precisely.

In addition, by supporting the low-pressure junction box lid 100 more firmly, it is possible to prevent the low-pressure junction box lid 100 from flowing due to force applied during processing.

And, a base member 60 for installing the drill member 90 is disposed at the center of the support member 50.

The base member 60 is made of metal and is firmly formed, and is coupled to the upper surface of the support member 50 using bolts and nuts.

A sliding rail is formed on the base member 60 in the vertical direction, and a drill holding member 70 is disposed within the sliding rail.

Thus, the drill holding member 70 can slide in the up and down direction within the sliding rail.

Additionally, a rotary handle member 110 is rotatably installed on the side of the base member 60.

Here, the central axis of the rotating handle member 110 is disposed inside the base member 60, and gear teeth are formed on the central axis to function as a kind of pinion gear.

In addition, a rack gear portion that can be moved in engagement with the gear teeth of the central axis is formed on the rear portion of the drill holding member 70 that comes into contact with the base member 60.

Thus, by rotating the rotary handle member 110, the pinion gear formed on the central axis of the rotary handle member 110 and the rack gear formed on the rear surface of the drill holding member 70 are interlocked, thereby forming the drill holding member. (70) can be slidably moved in the up and down direction.

In addition, a drill upper fixing member 80 having an approximately “L” shaped side cross section is detachably coupled to the drill holding member 70.

Therefore, when the drill holding member 70 moves in the vertical direction, the drill upper fixing member 80 moves together in the vertical direction.

Also, the opposite side of the handle of the drill member 90 is detachably coupled to the drill holding member 70 using a bolt 94 and a nut.

In addition, the side 96 opposite to the drill bit 92 in the drill member 90 is detachably coupled to the drill upper fixing member 80 by a bolt and a nut.

Therefore, the two side surfaces of the drill member 90 are fixed to the drill holding member 70 and the drill upper fixing member 80, so that the drill member 90 can be very stably and firmly fixed.

In addition, the drill member 90 is configured to be detachably coupled to the drill holding member 70 and the drill upper fixing member 80 by bolts and nuts, so that the drill member 90 can be used depending on the type of the low pressure connection box lid or position indicator. In case of failure, etc., the drill member 90 can be easily replaced.

A drill bit 92 for processing the low-pressure connection box lid 100 is coupled to the lower part of the drill member 90, and the drill holding member 70 and the drill upper fixing member 80 are moved downward, The drill member 90 and the drill bit 92 coupled to its lower end are also moved downward to process a concave portion 102 and an opening 104 for installing a position indicator.

In addition, a stopper member 83 for limiting the downward position of the drill member 90 is coupled to the drill upper fixing member 80.

The stopper member 83 includes a handle portion 832 and a bolt shaft 834, and a stopper member installation portion for installing the stopper member 83 at the upper end of the drill upper fixing member 80 ( 82) are combined.

In addition, a through hole is formed in the stopper member installation portion 82 at a portion where the bolt shaft 834 of the stopper member 83 is coupled, and the inner surface of the through hole is interlocked with the bolt shaft 834 through a spiral connection. A possible screw thread is formed.

Thus, by rotating the handle portion 832 of the stopper member 83, the bolt shaft 834 is configured to be displaced in the vertical direction.

Additionally, a downward position limiting member 62 for interfering with the stopper member 83 may be detachably coupled to the base member 60.

The lower position limiting member 62 is formed in an elongated "L" cross-sectional shape in the vertical direction, and its lower end is configured to protrude outward, and the bolt axis ( 834) is configured so that it can be interfered with.

Thus, the bolt axis 834 of the stopper member 83 interferes with the outwardly protruding lower end, so that the drill member 90 moves downward and creates a concave portion 102 for installing the position indicator 200 and The lower limit position forming the opening 104 can be set.

With the above configuration, the drill member 90 can be very easily installed by rotating the stopper member 83 to adjust the degree to which the bolt shaft 834 protrudes downward from the stopper member installation portion 82. The lower limit position of can be adjusted and changed.

Therefore, with a very simple and light structure, the lower limit position of the drill member 90 can be easily adjusted and changed depending on the type of the low-pressure connection box lid 100 or the drill member 90.

Meanwhile, an outlet portion 64 for connecting the power cable of the drill member 90 may be formed on the side of the base member 60.

Therefore, the power cable of the drill member 90 is connected to the outlet portion 64, and power is supplied to the drill member 90, thereby rotating the drill bit 92 included in the drill member 90. .(step 60)

In this state, the rotary handle 110 is rotated to lower the drill member 90 to the surface of the low-pressure connection box lid 100 (step 70).

Then, the low-pressure connection box lid 100 is processed using the drill bit 92 to form a circular concave portion 102 for installing the position indicator 200 and a coupling opening 104 at the center of the concave portion 102. (Step 80)

Afterwards, the position indicator 200 is placed in the circular concave portion 102 (step 90).

Then, the nut 210 is fastened to the bolt portion 202 of the position indicator 200 to secure the position indicator 200 to the low pressure connection box lid 100. (Step 100)

In order to prevent water flowing to the upper surface of the position indicator 200 from flowing to the lower surface of the low pressure connection box lid 100, as shown in FIG. 13, there is a moisture flow inside the nut 210. A flow prevention space 216 is formed for blocking.

That is, the nut 210 is made of a synthetic resin material and includes an outer portion 214 formed to facilitate the operator's fastening of a grip or spanner, and a nut receiving portion 212 formed inside the outer portion 214. Included, a hexagonal nut 215 made of metal is inserted and disposed within the nut receiving portion 212.

In addition, a flow prevention space 216 is formed between the outer shape 214 and the nut receiving part 212 to prevent the flow of moisture.

Therefore, when external moisture flows into the bolt part 202 of the position indicator 200, the flow is blocked by the flow prevention space 216 to prevent it from flowing into the internal space of the low pressure junction box. .

As described above, with the position indicator 200 coupled to the low-pressure junction box lid 100, the low-pressure junction box lid 100 is placed on the original ground (step 110).

Above, the terms used in the embodiments of the present invention have the same meaning as generally understood by those skilled in the art to which the present invention pertains.

Although the present invention has been described with limited examples and drawings, the examples are not intended to limit but illustrate the technical idea of the present invention, so the technical idea of the present invention is not limited to these, and the present invention belongs to A person skilled in the art will be able to make various modifications and variations within the scope of equivalency of the technical spirit of the present invention and the scope of the claims below.

Therefore, the scope of protection of the present invention should be interpreted in accordance with the scope of the patent claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of rights of the present invention.

And, if it is within the scope of the purpose of the present invention, all of the components may be configured by selectively combining one or more of them.

The above-mentioned terms “included” or “consisted of” should be interpreted to mean that the corresponding component may be included, and that other components may be additionally included.

Step 10: Installation device movement step
Step 20: Removing the low-pressure junction box lid
Step 30: Internal arrangement of frame members
Step 40: Placement of scattering prevention members
Step 50: Horizontal position adjustment step
Step 60: Drill bit rotation step
Step 70: Drill member lowering step
Step 80: Forming a recess and a joining opening
Step 90: Locator Placement Step
Step 100: Nut tightening step
Step 110: Ground Layout Step

Claims (12)

moving the low-pressure junction box location indicator installation device to the site where the low-voltage junction box is installed;
separating the lid of the low-voltage junction box from the ground;
placing the low-pressure junction box lid on one side of a frame member where one side (2) is formed at a lower height than the remaining three sides (4, 6);
moving the low-pressure junction box lid into the frame member while being supported by a roller member installed inside the frame member;
placing a scattering prevention member including a level on the low-pressure junction box lid;
adjusting the horizontal position of the low-pressure connection box lid by rotating the horizontal adjustment handle included in the horizontal adjustment member installed on the upper part of the frame member to lower the central axis formed downward from the center of the horizontal adjustment handle;
supplying power to a drill member installed on a support member disposed across the frame member to rotate a drill bit included in the drill member;
lowering the drill member by rotating a rotation handle disposed on the support member;
Processing the low-pressure connection box lid using the drill bit to form a circular recess where a position indicator will be installed and a coupling opening at the center of the recess;
placing a position indicator in the circular concave portion;
Fastening a nut to a bolt portion of the position indicator to secure the position indicator to the low-pressure connection box lid;
A low-pressure junction box location indicator installation method including the step of placing the low-pressure junction box lid on the original ground. According to claim 1,
The step of lowering the drill member is:
A base member for installing the drill member is disposed on the support member, and in a state where the drill holding member is installed on the base member to slide upward and downward, the drill holding member slides downward by rotating the rotary handle. A low-pressure connection box position indicator installation method, characterized in that the drill member is lowered. According to claim 2,
The step of adjusting the horizontal position of the low-pressure junction box lid is,
An elastic member is disposed at a portion where the roller support part installed on the inner surface of the frame member contacts the roller member, and by rotating the horizontal adjustment member, the side of the low pressure connection box lid disposed on the roller member is pressed and moves downward. A low-pressure junction box position indicator installation method, characterized in that the horizontal position of the low-pressure junction box lid is adjusted. According to claim 3,
A drill upper fixing member is detachably coupled to the drill holding member,
One side of the drill member is detachably coupled to the drill holding member,
A low-pressure junction box position indicator installation method, characterized in that the other side of the drill member is detachably coupled to the drill upper fixing member to facilitate replacement of the drill member. According to claim 4,
The step of supplying power to the drill member is,
A low-voltage junction box position indicator installation method, characterized in that it is performed by connecting the cable of the drill member to the outlet formed in the base member. According to claim 5,
The scattering prevention member is made of synthetic resin and is formed in a hexahedral shape without a bottom. A passage opening for the drill bit to pass through is formed on the upper surface of the scattering prevention member, so as to adjust the horizontal position of the low pressure connection box lid and during processing. A low-pressure junction box position indicator installation method characterized in that it is configured to simultaneously provide the function of preventing scattering of generated powder. According to claim 3,
The roller shaft of the roller member is formed in a square cross-sectional shape,
The low-pressure junction box position indicator installation method, characterized in that the roller support part is formed to include a concave portion for accommodating the roller shaft of the square cross-sectional shape, so that the roller member is not rotated when processing the low-pressure junction box lid. According to claim 7,
An elastic member is disposed to surround the roller shaft, and by rotating the horizontal adjustment member, the side of the low-pressure connection box lid placed on the roller member is pressed and moved downward, so that the horizontal position of the low-pressure connection box lid is adjusted. A low-voltage junction box location indicator installation method, characterized in that: According to claim 4,
The step of lowering the drill member is:
A stopper member for limiting the downward position of the drill member is coupled to the drill upper fixing member, and a downward position limiting member for interfering with the stopper member is detachably coupled to the base member,
A low-pressure junction box position indicator installation method, characterized in that the lower position of the drill member is determined by the stopper member being interfered with by the lower position limiting member. According to claim 3,
The step of adjusting the horizontal position of the low-pressure junction box lid is,
A low-pressure junction box position indicator installation method, characterized in that the side of the low-pressure junction box lid disposed on the roller member is pressed and moved downward by rotating an auxiliary horizontal adjustment member installed on one side of the upper surface of the frame member. . According to claim 10,
The auxiliary horizontal adjustment member,
Auxiliary horizontal adjustment handle,
It includes an auxiliary horizontal adjustment center axis formed downward from the center of the auxiliary horizontal adjustment handle,
A screw thread is formed on the auxiliary horizontal adjustment center axis,
An auxiliary horizontal adjustment support member is installed on the frame member to support the auxiliary horizontal adjustment central axis,
The auxiliary horizontal adjustment support member is formed with a through opening for penetration of the auxiliary horizontal adjustment central axis,
A screw thread is formed on the inner surface of the through opening and is spirally connected to the auxiliary horizontal adjustment center axis,
A low-pressure junction box position indicator installation method, characterized in that the auxiliary horizontal control center axis is moved downward by rotating the auxiliary horizontal adjustment member, so that the side of the low-pressure junction box lid is pressed and moved downward. According to claim 2,
The step of moving the low-voltage connection box position indicator installation device,
A low-pressure connection box position indicator installation method, characterized in that it is performed by coupling the crane connection ring to the crane connection formed on the base member.

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