KR102657609B1 - Installation equipment for overhead distribution lines using insulators for fixation - Google Patents

Abstract

The present invention includes the first and second armatures (10, 20), eye chains (30), suspension insulators (40), wire connection units (50), insulator brackets (60), coupling insulators (70), and rotary joints (80). ), a cutout switch (90), an operation unit (100), an operation switch (110), and a power supply unit (120). According to this, the overhead distribution line (L), jumper line (J), and lead line (SL1) are connected at once. Because it can be connected electrically, the connection work is quite convenient, and by changing the installed angle of the cutout switch (90), workers on the ground can easily perform the joining work of the fuse holder (92) using the live operating rod (S). In this regard, there is an advantage in maximizing the convenience of work.

Description

{Installation equipment for overhead distribution lines using insulators for fixation}

The present invention relates to an overhead distribution line installation device utilizing fixed insulators.

Figure 6 is a diagram for explaining the prior art and problems, and will be described with reference to it as follows.

In general, the first and second rails (10, 20) and a transformer (T) are installed on the utility pole (P), and the first rail (10) is used to insulate and support the overhead distribution line (L) and jumper wire (J). An eye chain 30, a suspension insulator 40, and a connection clamp 50' are installed, and a branch line drawn out through a branch sleeve (WJ) is installed on the overhead distribution line (L).

The cutout switch (90) is a transformer protection device that is installed in the electrical flow path of the overhead distribution line (L) of the utility pole (P) and the transformer (T) to cut off power in an emergency. The cutout switch (90) is designed to protect against overload or A fuse is installed to protect the transformer from lightning and prevent fixation of overhead lines.

The opening principle of the cutout switch 90 is that when the fuse installed inside the fuse holder 92 of the cutout switch 90 is blown, the tension of the flipper on the lower fuse fixing part is relieved and the switch is rotated and opened by gravity.

When the fuse holder 92 of the cutout switch 90 is opened as described above, the worker uses the live operating rod (S) on the ground to place the open fuse holder 92 on the upper body of the cutout switch 90. It is closed by combining it. Conventionally, the cutout switch (90) is erected at an angle, so it is not easy for the operator to insert the fuse holder (92) using the live operating rod (S) (closing operation), so it depends on the operator's skill level. There is a fundamental problem that has no choice but to be addressed.

That is, conventionally, the joining work was not easy because the worker had to rotate the fuse holder 92 to join it laterally.

Additionally, in the prior art, in order to draw out a branch line, a worker had to install a branch sleeve (WJ) on the installed overhead distribution line (L), which led to a problem of poor workability in that the branch line could be pulled out.

1. Republic of Korea Patent Publication No. 10-2017-0006498

The present invention was developed to solve the above problems, and the connection work is quite convenient as it is possible to electrically connect overhead distribution lines, jumper lines, and incoming lines at once, and the installation angle of the cutout switch can be varied to allow The purpose is to provide an overhead distribution line installation device utilizing fixed insulators that can maximize the convenience of work in that workers can easily perform the work of combining fuse holders using a stick.

The present invention to achieve the above object,

The first rail is installed parallel to the upper part of the pole with the pole in between;

A second rail installed on a utility pole to be spaced downward from the first rail;

An eye chain that is rotatably installed on each first arm iron through a fixing means and includes a chain eye;

Suspension insulators whose ends are connected to each other through chain cotter pins in the chain eye;

It is divided into a first body and a second body to detachably fix and electrically connect overhead distribution lines, jumper lines, and incoming lines, and includes an insulator connector at the end of the suspension insulator that is interconnected via an insulator cotter pin. , a wire connection unit consisting of an insulating cover that surrounds and insulates the connector;

An insulator bracket detachably installed on the second armbar;

A coupling insulator connected to one end of the insulator bracket via a fastening means;

An L-shaped insulator connector consisting of a first horizontal piece connected to the other end of the coupling insulator via a fastening means, and a first vertical piece extending vertically upward from the first horizontal piece,

A rotary joint consisting of an L-shaped switch connector consisting of a second vertical piece rotatably coupled to one surface of the first vertical piece via an axis pin and a second horizontal piece extending in the horizontal direction from the top of the second vertical piece;

An upper support bracket is formed which is connected to the second horizontal piece through a fastening means, and has a first terminal portion to which an incoming line electrically connected to an overhead distribution line is formed on the upper surface, and on the lower surface is a transformer and electrical connector. An insulator body formed with a lower support member having a second terminal portion to which a lead wire connected to is electrically connected,

A cutout switch composed of a fuse holder with a detachably and rotatably lower end electrically connected to the lower support bracket, an upper end electrically connected to the upper support bracket, and a ring provided on the outer peripheral surface of the upper portion;

A band is installed to surround the outer peripheral surface of the upper part of the insulator body, one end is rotatably connected to a link bracket installed on the outer surface of the first arm bar, and the other end is rotatably connected to the band, and a rod is expanded and contracted by a control signal. A movable unit consisting of an electric cylinder that rotates the cutout switch disposed inclinedly around the shaft pin to lay the cutout switch horizontally or return it to its initial state;

An operating switch installed on a utility pole to control the operation of an electric cylinder;

It is characterized by including a power supply unit that supplies power to the electric cylinder and the operation switch.

The present invention has the advantage of improving convenience of use and workability in that it is possible to install overhead distribution lines, jumper wires, and incoming lines at once through a wire connection unit, so workers do not need to install separate branch sleeves on overhead distribution lines. There is.

In addition, by varying the installed angle of the cutout switch, there is an advantage in maximizing the convenience of work in that workers on the ground can easily perform the assembly and separation of the fuse holder using a live operating rod.

Figure 1 is a front view of an overhead distribution line installation device using a fixed insulator according to the present invention.
Figure 2 is an enlarged perspective view of a portion of the overhead distribution line installation device utilizing a fixed insulator according to the present invention.
Figure 3 is a view showing a separate wire connection unit extracted from the overhead distribution line installation device utilizing a fixed insulator according to the present invention.
Figure 4 is an exploded perspective view showing a separate excerpt of a part of the overhead distribution line installation device using a fixed insulator according to the present invention.
Figures 5a to 5c are views for explaining the effect of the overhead distribution line installation device utilizing a fixed insulator according to the present invention.
Figure 6 is a diagram for explaining the prior art and problems.

Hereinafter, it will be described in detail based on the attached drawings.

Figure 1 is a front view of an overhead distribution line installation device utilizing a fixed insulator according to the present invention, Figure 2 is a perspective view showing an enlarged portion of an overhead distribution line installation device utilizing a fixed insulator according to the present invention, and Figure 3 is an enlarged view of a portion of the overhead distribution line installation device utilizing a fixed insulator according to the present invention. It is a drawing showing a wire connection unit separately extracted from the overhead distribution line installation device utilizing a fixed insulator according to the present invention, and Figure 4 is an exploded perspective view showing a portion of the overhead distribution line installation device utilizing a fixed insulator according to the present invention.

Referring to Figures 1 to 4, the overhead distribution line installation device utilizing fixed insulators according to the present invention includes the first and second armatures (10, 20), eye chains (30), suspension insulators (40), and wire connection units ( 50), an insulator bracket (60), a coupling insulator (70), a rotary joint (80), a cutout switch (90), an operation unit (100), an operation switch (110), and a power supply unit (120). According to this, the overhead distribution line (L), jumper line (J), and incoming line (SL1) can be electrically connected at once, making the connection work quite convenient, and the installed angle of the cutout switch (90) can be changed to allow workers on the ground to connect the live wire. There is a technical feature that can maximize the convenience of work in that the assembly work of the fuse holder (92) can be easily performed using the operating rod (S).

Referring to FIGS. 1 and 2, the first and second iron bars 10 and 20 are square tubes made of metal.

Here, the first armbar (10) is installed side by side at the upper end of the telephone pole (P) so as to be perpendicular to the longitudinal direction of the telephone pole (P) with the telephone pole (P) in between, and a link is located on the side of the first armbar (10). The bracket 11 is formed integrally.

And the second rail (20) is installed on the utility pole (P) to be spaced downward from the first rail (10).

Referring to Figures 1 and 2, the eye chain 30 is a member that interconnects the first arm iron 10 and the suspension insulator 40, and has an approximately 'C' shape, and the first arm iron 10 It is installed to be rotatable in the horizontal direction through fixing means (bolts and nuts).

And on one side of the eye chain 30, a chain eye 31 is installed to be rotatable in the up and down directions.

Referring to Figures 1 and 2, the suspension insulator 40 serves to insulate the eye chain 30 and the wire connection unit 40 while interconnecting them.

One end of this suspension insulator 40 is coupled to the chain eye 31 and interconnected via the chain cotter pin 41, and the other end of the suspension insulator 40 is connected to the connection member 51c of the wire connection unit 40. ) and are interconnected via the insulator pin 42.

Referring to Figures 1 to 3, the wire connection unit 50 is composed of a connector 51 and an insulating cover 52. In this embodiment, it is connected to the other end of the suspension insulator 40 and is connected to the overhead distribution line (L). ) and one end of the jumper wire (J) and lead wire (SL1) are fixed and electrically connected to each other.

The connector 51 is a conductive block and is divided into a first body 51a and a second body 51b, which are integrally coupled to each other through fastening means (screw bolts).

On one side of this first body (51a), an insulator connector (51c) is formed integrally with the end of the suspension insulator (40) and is interconnected via an insulator cotter pin (42).

The first body (51a) is provided with a seating groove so that the overhead distribution line (L), the jumper wire (J), and the lead-in line (SL1) can be inserted and removed, respectively, and the overhead distribution line (L) seated in the seating groove is The jumper wire (J) and lead wire (SL1) are each pressurized and fixed by U bolts (B').

The second body (51b) is seated so that the overhead distribution wire (L), jumper wire (J), and lead wire (SL1) fixed to the first body (51a) via U bolts (B') can be accommodated inside. The home is prepared as a whole.

The insulating cover 52 serves to surround and insulate the connector 51, and is coupled to each other through protrusions and grooves.

According to this embodiment, the overhead distribution line (L), jumper line (J), and lead line (SL1) can be installed at once, which has the advantage of improving workability in that there is no need to install a separate branch sleeve.

Referring to FIGS. 1, 2, and 4, the insulator bracket 60 is removably installed on the second armbar 20 and serves to interconnect the second armbar 20 and the coupling insulator 70. do.

The insulator bracket 60 is composed of a bracket body 61, a support member 62, and a fixing bolt 63.

The bracket body 61 is a member formed by bending a metal plate with a predetermined width and thickness in two stages, and is placed in the lower part of the LP insulator 20 so that it butts against the upper surface and one side of the second armature 20. It is placed.

The support member 62 is a metal plate having a predetermined width and thickness, and is fitted against the other side of the second armature 20 so that its upper end penetrates the bracket body 61.

The fixing bolt 63 is disposed on the lower surface of the second arm iron 20 and is inserted through the bracket body 61 and the support member 62 to interconnect the bracket body 61 and the support member 62. Do it.

Since the insulating bracket 60 is already a widely known technology in the relevant field, further detailed description will be omitted.

Referring to FIGS. 1, 2, and 4, the coupling insulator 70 serves to interconnect and insulate the insulator bracket 60 and the rotary joint 80.

One end of the coupling insulator 70 is interconnected with the bracket body 61 of the insulator bracket 60 via fastening means (bolts and nuts), and the other end is an insulator connector constituting the rotary joint 80 ( 81) and are interconnected through fastening means (bolts and nuts).

Referring to FIGS. 1, 2, and 4, the rotary joint 80 is composed of an insulator connector 81 and a switch connector 82. In this embodiment, the coupling insulator 70 and the cutout switch 90 ) serves to rotatably connect the

The insulator connector 81 is composed of a first horizontal piece 81a and a first vertical piece 81b. The first horizontal piece 81a and the first vertical piece 81b are plates having a predetermined width and thickness. And, the first vertical piece (81b) is formed vertically and integrally on the upper surface of the first horizontal piece (81a), forming an overall L-shape.

The switch connector 82 is composed of a second horizontal piece 82a and a second vertical piece 82b. The second horizontal piece 82a and the second vertical piece 82b are plates having a predetermined width and thickness. , and the second vertical piece 82b extends in the horizontal direction from the upper surface of the second horizontal piece 82a to form an overall L-shape.

This insulator connector 81 and the switch connector 82 are formed integrally with the second vertical piece 82b while the first vertical piece 81b and the second vertical piece 82b are facing each other. ) is rotatably connected.

Referring to FIGS. 1, 2, and 4, the cutout switch 90 is composed of an insulator body 91 and a fuse holder 92, and in this embodiment, the coupling insulator is connected via a rotary joint 80. It is interconnected with (70), electrically interconnects the lead line (SL1) drawn from the overhead distribution line (L) and the lead line (SL2) led to the transformer (T), and serves to cut off the power in an emergency.

The block formed in the middle of the insulator body 91 is interconnected with the second horizontal piece 82a of the rotary joint 80 via fastening means (bolts and nuts), and is arranged to be inclined upward.

An upper support member (91a) with a first terminal portion (91a-1) and a lower support member (91b) with a second terminal portion (91b-1) are provided on the upper and lower surfaces of the insulator body (91), respectively. The first terminal portion (91a-1) is connected to an overhead distribution line (L) and an incoming line (SL1) that is electrically interconnected via the branch sleeve 30, and the second terminal portion (91b-1) is connected to a transformer (T). Electrically connected lead lines (SL2) are electrically connected to each other.

The lower end of the fuse holder 92 is electrically connected to the lower support member 91b in a detachable and rotatable manner, and the upper end is electrically connected to the upper support member 91a.

A ring 92a is formed on the upper outer peripheral surface of the fuse holder 92, where the ring 92a is used by the operator to hang a ring formed on the upper surface of the live operating rod (S).

Additionally, a fuse is installed in the fuse holder 92 to prevent breakdown of the distribution line by protecting the transformer from overload or lightning.

As an example, the cutout switch 90 is connected by coupling the fuse holder 92 to the upper support bracket 91a while the operator connects the live operating rod S to the ring 92a on the ground. , Here, the opening principle of the cutout switch 90 is that when the fuse built into the fuse holder 92 is melted, the tension at the lower end of the fuse holder 92 is relieved and it opens.

Since the structure and operating principle of the cutout switch 90 are well-known technologies in the relevant field, further detailed description will be omitted.

Referring to FIGS. 1, 2, and 4, the movable unit 100 is composed of a band 101 and an electric cylinder 102, and in this embodiment, one end is connected to the link bracket 11 of the first arm bar 10. ) and the other end are rotatably link connected with the insulated body 91 of the cutout switch 90 to change the installed angle of the cutout switch 90 (lay down or tilt it upright). do.

The band 101 is a ring-shaped member, and is detachably coupled to the outer peripheral surface of the upper end of the insulator body 91.

For example, the band 101 may be made of synthetic rubber with a certain elasticity, or may be made of synthetic resin.

The electric cylinder 102 is provided with a rod 102a that is withdrawn and withdrawn.

One end of the electric cylinder 102 is link-connected to the link bracket 11 of the first arm iron 10, and the other end, that is, the rod 102a, is link-connected to the band 101.

The electric cylinder 102 is operated by a control signal from the operation switch 110 to draw in and out the rod 102a, and the cutout switch 90 is connected to the rotary joint 70 by the in and out of the rod 102a. It is rotated around the axis pin (82b-1) and is laid horizontally or converted to the initial state (standing at an angle).

According to this, since the cutout switch 90 can be laid horizontally through the movable unit 100, a worker on the ground can connect the open fuse holder 72 (see FIG. 5a) to the live operating rod without applying much force. There is an advantage that it can be easily combined and closed using (S).

That is, conventionally, the cutout switch 90 is erected at an angle, so it is not easy for the operator to insert the fuse holder 92 (closing operation) using the live operating rod (S), which is a fundamental problem that has to rely on the operator's skill level. However, when the cutout switch (90) is laid horizontally, the fuse holder (92) can be easily inserted using the live operating rod (S) regardless of the operator's skill level, which has the advantage of greatly improving the convenience of work. there is.

To summarize this further, in the past, the joining operation was not easy because the worker had to rotate the fuse holder 92 to couple it laterally, but in the present invention, the worker rotates the fuse holder 92 to join it in the vertical direction. As it progresses, workability becomes very convenient.

Referring to Figures 1 and 2, the operation switch 110 is installed at the lower part of the telephone pole (P) so that the operator can operate it from the ground and controls the operation of the electric cylinder 102 constituting the movable unit 100. It plays a role.

The rod 102a of the electric cylinder 102 is pulled in and out by operating the operation switch 110.

Referring to Figures 1 and 2, the power supply unit 120 is installed on a utility pole (P) and serves to supply power so that the electric cylinder 102 can operate.

Figures 5a to 5c are diagrams for explaining the effects of the overhead distribution line installation device utilizing a fixed insulator according to the present invention, which will be described with reference to the following.

Referring to FIG. 5A, when the fuse built into the fuse holder 92 is blown due to lightning or overload, the fuse holder 92 naturally opens and protects the transformer T.

In this way, when the fuse holder 92 is opened by rotating around the lower part, the worker operates the operation switch 110 installed on the utility pole (P) so that the cutout switch 90, which is erected at an angle through the movable unit 100, is opened. Lay it out horizontally.

To explain this in more detail, as shown in Figure 5b, when the operator operates the operation switch 110 on the ground, the rod 102a of the electric cylinder 102 is activated by the control signal from the operation switch 110. is pulled out toward the insulator body 91, and the cutout switch 90 connected via the band 101 is rotated around the axis pin 82b-1 of the rotary joint 80, so that the inclined state is in a horizontal state. converted.

Then, the worker hangs the live operating rod (S) on the ring (92a) of the cutout switch (90) on the ground and then rotates the fuse holder (92) counterclockwise around the lower part of the fuse holder (92). Push the fuse holder (92) in the vertical direction to engage it.

When the combination of the fuse holder 92 is completed as described above, the operator operates the operation switch 110 from the ground, as shown in FIG. 5C.

The rod 102a of the electric cylinder 102, which was pulled out by operation of the operation switch 110, pulls the band 101, and the insulator body 91 connected to the band 101 is connected to the rotary joint 80. As it rotates counterclockwise around the shaft pin (82b-1), it is converted from a horizontally laid state to an inclined state.

As such, in the past, the cutout switch 90 was erected at an angle, so it was not easy for the operator to insert the fuse holder 92 (closing operation) using the live operating rod (S), which is a fundamental problem that had to rely on the operator's skill level. However, when the cutout switch (90) is laid horizontally, the fuse holder (92) can be easily inserted using the live operating rod (S) regardless of the operator's skill level, which has the advantage of greatly improving the convenience of work. there is.

To summarize this further, in the past, the joining operation was not easy because the worker had to rotate the fuse holder 92 to couple it laterally, but in the present invention, the worker rotates the fuse holder 92 to join it in the vertical direction. As it progresses, workability becomes very convenient.

In addition, the height at which the worker must lift the live operating rod (S) can be lowered compared to the prior art, which is very useful in that the risk of musculoskeletal injury and the difficulty of work can also be reduced.

Although the present invention has been described in detail only with respect to the specific embodiments described, it is obvious to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and it is natural that such changes and modifications fall within the scope of the appended patent claims.

10: 1st complete iron 11: Link bracket 20: 2nd complete iron
30: eye contact 31: eye contact 40: suspension aeja
41: chain cotter pin 42: insulator cotter pin 50: wire connection unit
51: Connector 51a: First body 51b: Second body
51c: Connecting member 52: Insulating cover 60: Insulator bracket
61: Bracket body 62: Support member 63: Fixing bolt
70: coupling insulator 80: rotation joint 81: insulator connector
81a: first horizontal piece 81b: first vertical piece 82: switch connector
82a: Second horizontal piece 82b: Second vertical piece 90: Cutout switch
91: Insulator body 91a: Upper support member 91a-1: First terminal portion
91b: Lower support bracket 91b-1: Second terminal portion 92: Fuse holder
92a: Ring 100: Movable unit 101: Band
102: Electric cylinder 102a: Rod 110: Operating switch
120: Power supply T: Transformer P: Telephone pole
J: Jumper wire SL1: Leading wire SL2: Leading wire

Claims (1)

A first armbar (10) installed in parallel at the upper end of the utility pole (P) with the pole (P) in between;
A second rail (20) installed on a utility pole (P) to be spaced downward from the first rail (10);
An eye chain (30) is rotatably installed on each first arm iron (10) via a fixing means and includes a chain eye (31);
Suspension insulators (40) whose ends are interconnected to the chain eye (31) via a chain cotter pin (41);
It is divided into a first body (51a) and a second body (51b) to detachably fix and electrically connect the overhead distribution line (L), jumper line (J), and lead line (SL1), and the suspension insulator (40) A wire connection unit 50 consisting of a connector 51 having an insulator connector 51c interconnected at the end via an insulator cotter pin 42, and an insulating cover 52 that surrounds and insulates the connector 51;
An insulating bracket (60) detachably installed on the second armbar (20);
A coupling insulator (70) connected to one end of the insulator bracket (60) via a fastening means;
L shape consisting of a first horizontal piece (81a) connected to the other end of the coupling insulator (70) via a fastening means, and a first vertical piece (81b) extending vertically upward from the first horizontal piece (81a). A shaped insulating connector (81),
A second vertical piece (82b) rotatably coupled to one surface of the first vertical piece (81b) via an axis pin (82b-1), and a second horizontal piece (82b) extending in the horizontal direction from the top of the second vertical piece (82b). A rotary joint (80) consisting of an L-shaped switch connector (82) made of pieces (82a);
A first terminal portion 91a is connected to the second horizontal piece 82a through a fastening means, and has an incoming line SL1 electrically connected to the overhead distribution line L through a wire connection unit 50 on the upper surface. -1) is formed, and the lower side is formed with a second terminal portion 91b-1 to which a lead line SL2 electrically connected to the transformer T is electrically connected. ) an insulating body (91) formed,
A cut consisting of a fuse holder (92) with a detachably and rotatably lower end electrically connected to the lower support bracket (91b), an upper end electrically connected to the upper support bracket (91a), and a ring (92a) provided on the outer peripheral surface of the upper portion. outswitch (90);
A band 101 is installed to surround the upper outer peripheral surface of the insulator body 91, one end is rotatably connected to the link bracket 11 installed on the outer surface of the first arm bar 10, and the other end is connected to the band 101. The cutout switch 90, which is disposed inclinedly around the shaft pin 82b-1, is rotated using the rod 102a, which is rotatably connected and expands and contracts by a control signal, to lay the cutout switch 90 horizontally. A movable unit 100 consisting of an electric cylinder 102 that returns to the initial state;
An operating switch 110 installed on a utility pole (P) to control the operation of the electric cylinder 102;
A power supply unit (120) that supplies power to the electric cylinder (102) and the operation switch (110). An overhead distribution line installation device utilizing a fixed insulator.

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