KR20220126127A - Apparatus preventing falling of distribution line for indirect hot-line work and installment method thereof - Google Patents

Abstract

The present invention relates to an apparatus for preventing the falling of a distribution line for indirect live-line work, which prevents a distribution line from falling when wires are disconnected in an explosion caused by the deterioration of a distribution device, and a method for installing the same. The apparatus comprises: a wire gripper which surrounds a portion of a wire so as to be caught on the wire; a wire pressing plate located inside the wire gripper and press-contacted with the other portion of the wire to prevent movement of the wire gripper; and a fixing bolt which moves the wire pressing plate toward the wire so that the wire pressing plate is press-contacted with the wire. The wire pressing plate is press-contacted with the wire by rotating the fixing bolt with an indirect live-line tool, thereby preventing the wire gripper from moving. Therefore, it is not necessary for a user to directly operate, and thus, the convenience and safety of an operation are improved.

Description

Distributing line fall prevention device for indirect live line construction and its installation method

The present invention relates to an apparatus for preventing a fall of a distribution line for indirect live wiring and a method for installing the same, and more particularly, to an apparatus for preventing a fall of a distribution line for indirect live wiring and installation of the same it's about how

The conventional distribution line between the electric pole and the electric pole maintains the separation between the distribution lines by giving a certain interval in Wangeum without a separate device.

In this method, when the insulation of the insulator supporting the electric wire is broken, the wire is broken, or an explosion disconnection occurs due to the deterioration of the distribution device, the entire electric wire falls to the ground, causing an electric shock accident to pedestrians, damage to cars and structures, etc. There is a problem in that it can be put in a dangerous situation that can cause overvoltage and damage to communication equipment due to the rise of the earth potential due to a fire by sparks or a ground fault.

In particular, since the disconnected and dropped electric wire is in a state in which electricity is continuously supplied, it may increase the risk of a safety accident. Therefore, it is necessary to seek countermeasures to solve this problem.

Korean Patent Publication No. 10-2022807

The present invention was created to improve the problems caused by the fall of the distribution line due to the deterioration of the conventional distribution equipment as described above, and to prevent the fall of the distribution line for indirect live line construction, which is wrapped on both sides of the electric wire to prevent the fall of the distribution line The purpose is to provide an apparatus.

Another object of the present invention is to provide a method for installing the distribution line fall prevention device for indirect live line construction on a distribution line.

In order to achieve the above object, there is provided an apparatus for preventing a fall of a distribution line for indirect live wire construction according to the present invention, comprising: an electric wire gripper surrounding a part of the electric wire so as to be caught on the electric wire; an electric wire pressing plate located inside the electric wire gripper and in pressure contact with the rest of the electric wire to prevent the electric wire gripper from flowing; and a fixing bolt for moving the electric wire pressing plate toward the electric wire so that the electric wire pressing plate is press-contacted to the electric wire.

The electric wire gripper includes a gripper body; and a wire engaging portion protruding from one side of the gripper body toward the electric wire and bent inward to surround the outer surface of the electric wire.

The electric wire gripper may further include an auxiliary wire engaging portion protruding toward the electric wire from one side of the gripper body spaced apart from the electric wire engaging portion and bent inward to surround another outer surface of the electric wire. have,

In addition, the apparatus for preventing a fall of a distribution line for indirect live wire construction according to the present invention further includes a gripper connecting line connecting a plurality of electric wire grippers, wherein the electric wire gripper is located around the gripper body so that one end of the gripper connecting line is connected. It may further include; a connecting line engaging portion that protrudes in one direction and has a center through which a connecting line engaging hole is formed.

In addition, the apparatus for preventing a fall of a distribution line for indirect live wire construction according to the present invention further includes an auxiliary gripper connecting line connecting a plurality of electric wire grippers, and the electric wire gripper has a circumference around the gripper body so that one end of the auxiliary gripper connecting line is connected. It may further include a; auxiliary connection line engaging portion protruding from the other side direction, through the center of the auxiliary connection line engaging hole is formed.

The gripper body may include a pressing plate seating groove formed by being recessed between the wire engaging part and the auxiliary wire engaging part so that the electric wire pressing plate is seated; and a bolt through hole formed in the center so that the fixing bolt passes therethrough.

The bolt through hole may have a screw thread formed therein so that the fixing bolt passes while rotating.

The wire pressing plate is a pressing plate body; an electric wire seating groove formed by being recessed into one side of the pressing plate body so that the electric wire is seated; and a wire seating protrusion formed to protrude from the inner surface of the wire seating groove.

The electric wire pressing plate may further include a bolt coupling hole formed through the pressing plate body so that the end of the fixing bolt is inserted and fastened.

The fixing bolt may include a bolt body in the form of a column having a thread formed on the outside; and a bolt coupling protrusion protruding from one side of the bolt body to be inserted and fastened to the bolt coupling hole.

The fixing bolt may further include a ring-shaped tool locking ring formed on the other side of the bolt body so that a tool can be inserted.

In addition, the installation method of the distribution line fall prevention device for indirect live wire construction according to the present invention includes the wire gripper insertion step of moving the wire gripper so that the wire is inserted inside the wire gripper; a wire gripper mounting step of rotating the wire gripper along a circumference of the wire gripper so that the wire gripper is mounted on the outer surface of the wire; a wire fixing step of rotating the fixing bolt with a tool to move the wire pressing plate toward the wire so as to be in pressure contact with the wire; and a gripper connecting line coupling step of coupling the gripper connecting line to a connecting line engaging portion formed on one side of the electric wire gripper.

In addition, the installation method of the apparatus for preventing a fall of a distribution line for indirect live wire construction according to the present invention may further include an auxiliary gripper connection line coupling step of coupling the auxiliary gripper connection line to the auxiliary connection line hooking part formed on the other side of the wire gripper.

As described above, according to the distribution line fall prevention device for indirect live line construction according to the present invention, the fall of the distribution line is prevented in the event of an accident due to deterioration of the distribution equipment, so that a third person such as a worker or passerby on the ground is prevented from being electrocuted It is effective in preventing fire and malfunction of peripheral devices due to high-voltage current.

In addition, according to the installation method of the distribution line fall prevention device for indirect live wire construction, the electric wire is inserted inside the electric wire gripper using an indirect live wire tool, and then the electric wire gripper can be rotated to easily mount it on the electric wire. It has the effect of maintaining the distance from the electric wire and reducing the risk of electric shock.

1 is a diagram showing secondary damage caused by a distribution line that has fallen due to disconnection of a conventional distribution line.
2 is a view showing a fire caused by disconnection of a conventional distribution line.
3 is a diagram illustrating a state in which a conventional distribution line fall prevention device for direct live line construction is installed in a distribution line for preventing the distribution line from falling.
4 is a view showing the effect of the conventional distribution line fall prevention device for direct live wire construction to prevent the fall when the distribution line is disconnected.
5 is a diagram illustrating a state in which a worker installs a conventional distribution line fall prevention device for direct live wire construction.
6 is a flowchart illustrating a process of installing a conventional distribution line fall prevention device for direct live wire construction.
7 is a perspective view illustrating an apparatus for preventing a fall of a distribution line for indirect live wire construction according to an embodiment of the present invention.
8 is a perspective view illustrating a state in which a gripper connection line is connected to the apparatus for preventing a fall of a distribution line for indirect live wire construction according to an embodiment of the present invention.
9 is a perspective view illustrating a state in which a distribution line fall prevention device coupled to a plurality of electric wires is interconnected to a gripper connecting line and an auxiliary gripper connecting line.
10 is a perspective view showing the detailed structure of the wire gripper of the distribution line fall prevention device.
11 is a perspective view showing the detailed structure of the wire pressing plate of the distribution line fall prevention device.
12 is a perspective view showing the detailed structure of the fixing bolt of the distribution line fall prevention device.
13 is a top view of the electric wire gripper of the distribution line fall prevention device as viewed from the upper end.
14 is a flowchart illustrating an installation method of an apparatus for preventing a fall of a distribution line for indirect live wire construction according to another embodiment of the present invention.

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

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and will be described in detail in the detailed description. This is not intended to limit the present invention to a specific embodiment, it should be construed to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The above terms are only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

The term “and/or” may include a combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but other components may exist in between. can be understood On the other hand, when it is mentioned that a certain element is "directly connected" or "directly connected" to another element, it may be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression may include the plural expression unless the context clearly dictates otherwise.

In the present application, 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 exists, and one or more other features It may be understood that the existence or addition of numbers, steps, operations, components, parts or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary may be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, it is interpreted in an ideal or excessively formal meaning. it may not be

In addition, the following embodiments are provided to more completely explain to those with average knowledge in the art, and the shapes and sizes of elements in the drawings may be exaggerated for clearer explanation.

Referring to FIG. 1 , when a problem such as explosion or overheating of a distribution device occurs due to corrosion or aging of a conventional electrical distribution device, the distribution line falls and a worker or passerby on the ground is electrocuted, resulting in loss of life, or a distribution line The high voltage may cause material damage to objects such as vehicles on the ground.

In addition, the high voltage of the distribution line can cause damage due to overvoltage to surrounding acoustic equipment, research equipment, vehicle electronic devices, etc., so preventing the distribution line from falling is one of the main tasks of distribution line management.

Referring to FIG. 2 , an electric spark occurred due to a disconnection accident of the rescue line connected to the switchgear of the distribution line, and ignited on the dry ground, leading to large-scale national disasters such as the Goseong Forest Fire, resulting in numerous material damage.

Referring to FIG. 3 , in the prior art, a distribution line wire drop prevention device for connecting a distribution line main line and a switchgear rescue line to each other is disclosed in order to prevent the distribution line from falling.

In addition, referring to FIG. 4 , a distribution line wire drop prevention device that connects between distribution line main lines and prevents the distribution line main line from falling even when the wires are disconnected has been developed and is currently being applied.

5 and 6, the conventional distribution line wire drop prevention device is designed to be suitable for the direct live wire method. To form a wire drop prevention device (2) for the distribution line for the construction method.

However, since the operator proceeds with the work adjacent to the electric wire, a safety accident may occur during the assembly process of the electric wire drop prevention device 2 for the distribution line for the direct live wire method, and it is difficult to proceed with the work by replacing it with an indirect live wire tool.

In order to solve the above problems, the device for preventing a fall of a distribution line for indirect live wire construction according to an embodiment of the present invention includes a wire gripper 10 that surrounds a part of the electric wire 1 so as to be caught on the electric wire 1, The electric wire pressing plate 20 and the electric wire pressing plate 20 located inside the electric wire gripper 10 and in pressure contact with the rest of the electric wire 1 to prevent the electric wire gripper 10 from flowing are attached to the electric wire 1 and a fixing bolt 30 for moving the electric wire pressing plate 20 toward the electric wire 1 so as to be press-contacted.

In detail, the distribution line fall prevention device for indirect live wire construction includes a wire gripper that wraps an upper part of the wire so as to be caught on any one of a single-phase wire or a three-phase wire (RST phase or ABC phase).

For example, the wire gripper 10 may be connected to the A-phase wire 1a, the B-phase wire 1b, and the C-phase wire 1c, respectively, and the wire gripper 10 is a gripper connection wire 40a or an auxiliary gripper. It is possible to prevent the electric wires 1 from falling together while being interconnected by the connecting wires 40b so that any one of the electric wire grippers 10 falls.

The electric wire gripper 10 is formed to protrude toward the electric wire 1 from the gripper body 11 in the form of a flat plate and one side edge of the gripper body 11, and surrounds the outer upper surface of the electric wire 1 and a wire hooking part 12 bent inward toward the gripper body 11 while moving.

The wire hooking part 12 is recessed from one side facing the outside to form a wire locking groove 12a, so that rainwater, such as rainwater flowing in from the outside, is quickly discharged along the wire locking groove 12a.

In addition, the electric wire gripper 10 is formed to protrude toward the electric wire 1 from the edge of another side of the gripper body 11 spaced apart from the electric wire engaging part 12, and the electric wire engaging part 12 It further includes an auxiliary wire hooking part 14 bent inward toward the gripper body 11 so as to surround another outer surface of the electric wire 1 spaced apart from each other.

The auxiliary wire hooking part 14 is recessed from one side facing the outside to form an auxiliary wire locking groove 14a, so that rainwater flowing in from the outside is quickly discharged along the auxiliary wire locking groove 14a.

Since the direction in which the wire hooking part 12 wraps the outer surface of the electric wire 1 and the direction in which the auxiliary wire locking part 14 wraps the outer surface of the wire 1 are opposite to each other are opposite to each other, the wire drop of the distribution line The prevention device is coupled to the electric wire (1) to prevent falling.

In other words, since the wire engaging portion 12 and the auxiliary wire engaging portion 14 are spaced apart from the outer surface of the electric wire 1 by a predetermined distance and intersected with the electric wire 1 and coupled to each other, the electric wire The balance is maintained so that the electric wire gripper 10 does not fall from (1).

In addition, the apparatus for preventing a fall of a distribution line for indirect live wire construction according to an embodiment of the present invention may further include a gripper connection line 40a for connecting the plurality of wire grippers 10 .

The gripper connection line 40a has both ends respectively coupled to the wire gripper 10 coupled to the distribution line main line and the switchgear rescue line, or to the wire gripper 10 coupled to a plurality of distribution line main lines having different voltage phases, respectively. Since they are coupled, even if any one of the distribution lines is disconnected, another distribution line or a switchgear rescue line supports the disconnected distribution line so as not to fall.

The gripper connecting line 40a includes a wire 41a connected to another distribution line or a rescue line of a switchgear, an extension 42a extending from the wire 41a and coupled to the electric wire gripper 10, and the wire 41a. It includes a wire binding sphere (43a) that also serves as the extension (42a).

The wire gripper 10 protrudes in one direction from the circumference of the gripper body 11 so that one end of the gripper connection wire 40a is hooked and connected, and a connection wire locking hole 13a through the center is formed. 13) is further included.

Since the extension part 42a extending from the wire 41a is caught and fixed in the connection wire locking hole, it is possible to prevent a fall when the distribution line is disconnected.

In addition, the apparatus for preventing a fall of a distribution line for indirect live wire construction according to an embodiment of the present invention may further include an auxiliary gripper connection line 40b for connecting the plurality of wire grippers 10 .

The auxiliary gripper connecting line 40b includes an auxiliary wire 41b connected to another distribution line or a switch rescue line, an auxiliary extension 42b extending from the auxiliary wire 41b and coupled to the electric wire gripper 10, and the auxiliary It includes a wire (41b) and an auxiliary wire binding sphere (43b) for both the auxiliary extension (42b).

The electric wire gripper 10 protrudes from the periphery of the gripper body 10 in the other direction opposite to the connecting line hooking part 13 so that one end of the auxiliary gripper connecting line 40b is connected, and the auxiliary connecting line is penetrated through the center. It further includes an auxiliary connecting line locking part 15 having a locking hole 15a formed therein.

The gripper body 11 includes a pressing plate seating groove 11a formed by being recessed between the wire engaging portion 12 and the auxiliary wire engaging portion 14 so that the electric wire pressing plate 20 is seated. Before the pressing plate 20 is press-contacted to the electric wire 1, it may be seated and fixed in the pressing plate seating groove 11a.

In addition, the gripper body 11 may include a bolt through hole 11b formed through the center so that the fixing bolt 30 can pass therethrough.

The bolt through hole 11b has a screw thread formed therein so that the fixing bolt 30 passes while rotating, so that it can be easily inserted by rotating the fixing bolt 30 using an indirect live wire tool.

The wire pressing plate 20 is a flat plate-shaped pressing plate body 21, a wire seating groove 22 and the wire seating groove formed by being recessed from one side of the pressing plate body 21 so that the electric wire 1 is seated ( 22) and includes a wire pressing protrusion 23 formed to protrude from the inner surface.

Since the electric wire seating groove 22 is inclined from the outside to the inside of the pressing plate body 21 to be inclined in such a way that the electric wire 1 can be seated, moisture is discharged after moving along the slope during rain or snowfall. Moisture build-up is prevented.

In addition, a wire seating protrusion 23 protruding from the inner surface of the wire seating groove 22 to prevent slippage of the wire 1 may be formed.

The wire seating protrusion 23 may be formed in plurality by being spaced apart from each other at predetermined intervals along the length direction of the wire pressing plate 20, and in the embodiment of the present invention, along the width direction of the wire pressing plate 20 It is formed in the form of a protruding visual column.

In addition, the wire seating protrusion 23 may be formed in a cone shape such as a cone or polygonal pyramid at which pressure can be concentrated at the distal end so as to improve frictional force with the wire 1, thereby increasing the frictional force with the wire 1 can be improved

In addition, the wire pressing plate 20 further includes a bolt coupling hole 24 formed through the pressing plate body 21 so that the end of the fixing bolt 30 is inserted and fastened.

The fixing bolt 30 is a bolt body 31 in the form of a column having a thread formed on the outside and a bolt coupling protrusion 33 protruding from one side of the bolt body 31 so as to be inserted and fastened to the bolt coupling hole 24. include

The bolt body 31 has a columnar structure in which a thread is formed on the outside, similar to a general bolt structure.

The bolt coupling protrusion 33 protrudes from one end of the bolt body 31 and is formed in a shape corresponding to the bolt coupling hole 24 so as to be inserted and fastened to the bolt coupling hole 24 .

The fixing bolt 30 is formed on the other side of the bolt body 31 opposite to the bolt coupling protrusion 33 so that a tool can be inserted, and a ring-shaped tool locking ring 32 through the center is formed. can

The tool locking ring 32 is formed as a circular ring in the embodiment of the present invention, but may also be formed in a polygonal shape, and an indirect live wire tool is coupled from the outside to rotate the fixing bolt 30 .

The coupling method of the distribution line fall prevention device for indirect live wire construction according to another embodiment of the present invention to which the distribution line fall prevention device for indirect live wire construction is applied is the wire gripper ( 10) a wire gripper insertion step (S10) for moving, a wire gripper mounting step for rotating the wire gripper 10 along the circumference so that the wire gripper 10 is mounted on the outer surface of the wire 1 (S20) , a wire fixing step (S30) of rotating the fixing bolt 30 so that the wire pressing plate 20 moves toward the wire 1 and is in pressure contact with the wire 1 and formed on one side of the wire gripper 10 and a gripper connecting line coupling step (S40) of coupling the gripper connecting line 40a to the connecting line hooking part 13.

In the wire gripper inserting step (S10), the wire 1 is inserted between the wire hooking part 12 and the auxiliary wire hooking part 14 of the wire gripper 10 to be located inside the wire gripper 10. Move the wire gripper 10 toward the wire (!) using an indirect live wire tool.

In the wire gripper mounting step (S20), the wire gripper 10 is rotated 90 degrees along the outer circumference so that the wire 1 is mounted inside the wire gripper 10, in other words, the wire 1 The wire hooking part 12 and the auxiliary wire hooking part 14 are coupled to each other.

In the wire fixing step (S30), by rotating the fixing bolt 30 using an indirect live wire tool, the wire pressing plate 20 coupled to the end of the fixing bolt 30 moves toward the wire 1 and the wire ( 1), the vibration of the electric wire gripper 10 is prevented.

In the gripper connection wire coupling step (S40), when the wire 1 is disconnected, the gripper is placed on the connection wire hooking part 13 formed on one side of the wire gripper 10 so that the distribution line fall prevention device does not fall together with the wire 1 The connection line 40a is coupled so that it is hung.

In detail, after coupling the extension portion 42a extending from the wire 41a of the gripper connection line 40a to the connection wire engaging hole 13a of the connection line engaging portion 13, the wire 41a and the extension portion ( 42a) is bound by the wire binding sphere (43a).

In addition, the coupling method of the device for preventing the fall of the distribution line for indirect live wire construction according to another embodiment of the present invention includes coupling the auxiliary gripper connecting line 40b to the auxiliary connecting line engaging portion 15 formed on the other side of the electric wire gripper 10. The auxiliary gripper connection line coupling step (S50) is further included.

In the auxiliary gripper connecting line coupling step (S50), when the electric wire 1 is disconnected, the auxiliary connecting line stopping part 15 formed on the other side of the electric wire gripper 10 so that the distribution line fall prevention device does not fall together with the electric wire 1 The auxiliary gripper connection line (40b) is coupled to the hook.

In detail, after the auxiliary extension part 42b extended from the auxiliary wire 41b of the auxiliary gripper connection line 40b is hooked to the auxiliary connection line engaging hole 15a of the auxiliary connection line stopping part 15, the auxiliary wire ( 41b) and the auxiliary extension portion (42b) are bound by the auxiliary wire binding sphere (43b).

Since the auxiliary gripper connecting line 40b is connected to the other side of the electric wire gripper 10, the electric wire 1 is further prevented from falling in comparison with the case where the gripper connecting line 40a is connected alone, thereby reducing the probability of a safety accident caused by the electric wire. can be reduced

Although the present invention has been described in detail through specific examples, it is intended to describe the present invention in detail, and the present invention is not limited thereto. It is clear that the transformation or improvement is possible by the person.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

1: wire
1a : A phase wire
1b : B-phase wire
1c : C phase wire
2: Wire drop prevention device for distribution line for direct live wire method
2a: upper gripper
2b: lower gripper
10: electric wire gripper
11: Gripper body
11a: Press plate seating groove
11b: bolt through hole
12: wire jamming part
12a: wire jamming groove
13: connection line hooking part
13a: connection wire jamming hole
14: auxiliary wire jamming part
14a: auxiliary wire jamming groove
15: Auxiliary connection line hooking part
15a: Auxiliary connection wire jamming hole
20: wire press plate
21: Press plate body
22: wire mounting groove
23: wire seating projection
24: bolt joint hole
30: fixing bolt
31: bolt body
32: tool hook
33: bolt coupling protrusion
40a: gripper connection line
40b: auxiliary gripper connection line
41a: wire
41b: auxiliary wire
42a: extension
42b: auxiliary extension
43a: wire binding sphere
43b: auxiliary wire binding sphere

Claims (13)

an electric wire gripper surrounding a part of the electric wire so as to be caught on the electric wire;
an electric wire pressing plate located inside the electric wire gripper and in pressure contact with the rest of the electric wire to prevent the electric wire gripper from moving; and
a fixing bolt for moving the wire pressing plate toward the electric wire so that the electric wire pressing plate is press-contacted to the electric wire;
A distribution line fall prevention device for indirect live wire construction, including a.
The method according to claim 1,
The wire gripper is
gripper body; and
a wire hooking part protruding from one side of the gripper body toward the wire and bent inward to surround the outer surface of the wire;
A distribution line fall prevention device for indirect live wire construction, including a.
3. The method according to claim 2,
The wire gripper is
an auxiliary wire engaging part protruding toward the electric wire from one side of the gripper body spaced apart from the electric wire engaging part and bent inward to surround another outer surface of the electric wire;
Distribution line fall prevention device for indirect live wire construction, characterized in that it further comprises a.
3. The method according to claim 2,
a gripper connecting line connecting a plurality of electric wire grippers;
further comprising,
The wire gripper is
a connecting line engaging portion protruding in one direction from the periphery of the gripper body so that one end of the gripper connecting line is connected, and having a connecting line engaging hole through a center thereof;
Distribution line fall prevention device for indirect live wire construction, characterized in that it further comprises a.
5. The method according to claim 4,
Auxiliary gripper connection line connecting a plurality of wire grippers;
further comprising,
The wire gripper is
an auxiliary connecting line engaging portion protruding in the other direction from the circumference of the gripper body so that one end of the auxiliary gripper connecting line is connected, and having an auxiliary connecting line engaging hole formed through a center thereof;
Distribution line fall prevention device for indirect live wire construction, characterized in that it further comprises a.
4. The method of claim 3,
The gripper body is
a pressing plate seating groove formed by being recessed between the wire engaging part and the auxiliary wire engaging part so that the electric wire pressing plate is seated; and
a bolt through hole formed in the center to allow the fixing bolt to pass therethrough;
A distribution line fall prevention device for indirect live wire construction, including a.
7. The method of claim 6,
The bolt through hole,
A distribution line fall prevention device for indirect live wire construction, characterized in that a thread is formed on the inside so that the fixing bolt is rotated and penetrated.
The method according to claim 1,
The wire press plate,
Press plate body;
an electric wire seating groove formed by being recessed into one side of the pressing plate body so that the electric wire is seated; and
a wire seating projection formed to protrude from the inner surface of the wire seating groove;
A distribution line fall prevention device for indirect live wire construction, including a.
9. The method of claim 8,
The wire press plate,
a bolt coupling hole formed through the pressing plate body so that the end of the fixing bolt is inserted and fastened;
Distribution line fall prevention device for indirect live wire construction further comprising a.
10. The method of claim 9,
The fixing bolt is
A bolt body in the form of a column with a thread formed on the outside; and
a bolt coupling protrusion protruding from one side of the bolt body so as to be inserted and fastened into the bolt coupling hole;
A distribution line fall prevention device for indirect live wire construction, including a.
11. The method of claim 10,
The fixing bolt is
a ring-shaped tool locking ring formed on the other side of the bolt body so that a tool can be inserted;
Distribution line fall prevention device for indirect live wire construction, characterized in that it further comprises a.
an electric wire gripper insertion step of moving the electric wire gripper so that the electric wire is inserted into the electric wire gripper;
a wire gripper mounting step of rotating the wire gripper along a circumference of the wire gripper so that the wire gripper is mounted on the outer surface of the wire;
a wire fixing step of rotating the fixing bolt with a tool to move the wire pressing plate toward the wire so as to be in pressure contact with the wire; and
a gripper connecting line coupling step of coupling a gripper connecting line to a connecting line engaging portion formed on one side of the electric wire gripper;
Installation method of a distribution line fall prevention device for indirect live wire construction, including a.
13. The method of claim 12,
an auxiliary gripper connecting line coupling step of coupling an auxiliary gripper connecting line to an auxiliary connecting line engaging portion formed on the other side of the electric wire gripper;
Installation method of the distribution line fall prevention device for indirect live wire construction further comprising a.

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