KR101692639B1 - Changing Apparatus for Insulator Strings of Power Transmission Line and Changing Method for Insulator Strings of Power Transmission Line thereby - Google Patents

Changing Apparatus for Insulator Strings of Power Transmission Line and Changing Method for Insulator Strings of Power Transmission Line thereby Download PDF

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Publication number
KR101692639B1
KR101692639B1 KR1020150128628A KR20150128628A KR101692639B1 KR 101692639 B1 KR101692639 B1 KR 101692639B1 KR 1020150128628 A KR1020150128628 A KR 1020150128628A KR 20150128628 A KR20150128628 A KR 20150128628A KR 101692639 B1 KR101692639 B1 KR 101692639B1
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KR
South Korea
Prior art keywords
yoke
insulator
jig
defective
support
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KR1020150128628A
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Korean (ko)
Inventor
이호권
김상범
이현중
이원교
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한국전력공사
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device

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  • Insulators (AREA)

Abstract

The present invention relates to an apparatus and a method for replacing an insulator string of a power transmission line. The method for replacing an insulator string of a power transmission line replaces a defective insulator string among insulator strings installed on a suspension steel tower in a V-shape by connecting a first cable body and a second cable body on both ends to connect the first cable body to the suspension steel tower and connect the second cable body to a conductor support yoke. An inner steel tower horn, an arcing horn, an arcing ring, and a ground horn are separated and removed from the suspension steel tower and the defective insulator string to secure an air insulation separation distance. Then the defective insulator string is lowered to the ground or a steel tower bottom to replace the defective insulator string with a new insulator string and then the new insulator string is reinstalled to safely replace an insulator string installed on the suspension steel tower and increase convenience when performing replacement work to prevent an accident when performing repair work and greatly reduce time and costs of insulator string replacement work. Specifically, the present invention can maintain and repair a defective insulator string on a 765 kV trefoil formation single-line power transmission line while a voltage is applied.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for replacing a power transmission line with a power transmission line,

More particularly, the present invention relates to a method and apparatus for replacing and inserting a transmission line into a transmission line, A replacement device and a replacement method.

Generally, in the 765kV vertical two-wire transmission line, the method of replacing the insulator and the insulator of the suspending insulator is that the insulator of the type I is located at the end of the arm, so that the operator can be moved with a sufficient air insulated separation distance secured. To replace the insulator, we are working with live wire equipments such as grounding, removing sock crevice, connecting the insulation rope for pulling the insulator, and the pylon arm workbench for demolition work.

 However, in the case of 765kV triangular array single line transmission line, it is difficult to replace the defective insulator because the V phase type insulator is installed in the window shape of the A shape and 765kV minimum air insulation separation distance of 4.6m is not secured. There was a need to replace the entire defective rotor by utilizing the effective air insulation separation distance. Also, even in case of B and C phases, it is difficult to secure the separation distance of air insulation when detaching and attaching the pylons to the pylon. Therefore, it is difficult to replace defective pylons and it is only possible to replace defective pylons entirely. there was.

Japanese Patent Application Laid-Open No. 1997-322343, entitled " V Replacement Method of Suspension Insulator and Tool Used in That Method " (published Dec. 12, 1997)

An object of the present invention is to provide a transmission line replacement device and a replacement method which can safely replace an installed installation of a suspended tower and improve the convenience of replacement work.

In order to achieve the above object, according to one embodiment of the present invention, there is provided an apparatus for replacing a faulty wire for transmission line, wherein a first wire body and a second wire body are connected to both ends of the wire to connect the first wire body to a suspension tower, The present invention relates to a power line replacement device for replacing a faulty rotor in an electric motor which is connected to a conductor supporting yoke and installed in a V-shape on a suspension tower, and which can be mounted on a worker, A live work vehicle approaching a conductor support yoke; A yoke lifting device detachably mounted on the suspension tower and connected to the conductor support yoke to lift up and down the conductor support yoke; An auxiliary insulator support mounted on the first and second wires to replace the defective insulator; An insulator cap connecting jig which is coupled to the defective insulator and connected to the insulation rope so as to drop the defective insulator separated into a ground or a pylon; And a jig ascending / descending device connected to the insulating rope so as to move up and down the jig cap connecting jig, wherein the yoke ascending / descending device includes an ascending / descending device and an ascending / descending device and a conductor supporting yoke And a yoke connecting member which is an insulator, wherein the lifting / lowering device comprises: a supporting beam member which is seated on a frame of the suspension tower; A hydraulic cylinder mounted on the support beam member and having a piston rod moving up and down; A lifting support member connected to the piston rod of the hydraulic cylinder; A connecting body member connected to the yoke connecting member; And a height adjusting bar member connecting the connecting body member and the elevating and lowering supporting member and adjusting the height of the connecting body member.

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In the present invention, the height adjusting bar member may have a bolt structure having threads formed on the outer circumferential surface thereof. The height adjusting bar member may be coupled through the connecting body member, and two fixing nuts may be fastened to press the upper and lower surfaces of the connecting body member.

In the present invention, the yoke connecting member may include a polymer electrolyte including a plurality of polymer insulators.

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In the present invention, the insulator cap connecting jig may include a jig main body member that surrounds a portion of one of the insulators and is connected to the insulation rope, a jig main body member rotatably mounted on one side of the jig main body member, And a jig fixing member for fixing the rotary body member on the other side of the jig main body part.

In the present invention, the jig fixing member may include a jig fixing bolt that is rotatably mounted on the other side of the jig main body and is coupled through the rotating body member, and a jig fixing nut that is fastened to the jig fixing bolt.

In the present invention, the jig fixing nut may be an eye nut.

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According to another aspect of the present invention, there is provided a method of replacing defective alternating current lines in a transmission line, the first and second wires being connected to both ends of the first and second wires, The present invention relates to a method of replacing a faulty rotor in a rotor of a rotor, in which a second wire body is connected to a conductor supporting yoke and installed in a V-shape in a suspension tower, A step of securing an air insulation gap for separating and removing the abdominal horn, the ackling, and the ground horn; A step of raising and lowering a yoke raising and lowering device for raising and lowering the conductor supporting yoke to a suspension tower and raising a conductor supporting yoke by the yoke raising and lowering device; A connecting jig for connecting an insulator cap connected to an insulation rope in a state in which the conductor supporting yoke is pulled up is connected to the defective insulator and then the first and second electric wires are detached from the defective insulators and connected to the auxiliary insulators, Installation step; A step of replacing the defective insulators with a defective insulator at the ground or at the bottom of the pylon by dropping the defective insulators to the ground or the bottom of the pylon; A step of raising and lowering the other interchanged insulators so that the first and second wires are separated from the auxiliary insulator support and connected to the other insulators; And a step of lowering the conductor supporting yoke and returning the conductor supporting yoke back to the original position after the step of installing the magnet assembly, and reinstalling the iron tower divider, the arcing, the arching and the grounding horn, Wherein the insulating rope is connected to a jig raising and lowering device disposed on both sides of the yoke lifting device, and the two jig clamping jigs are coupled to the upper and lower sides of the fail- process; A step of separating the defective agglomerations from the first and second wires after the jig fixing process; And coupling one end side of the auxiliary coaxial support to the first electric wire body and coupling the other end side of the auxiliary coaxial support to the second electric wire body.

In the process of separating the defective isolator, the insulation rope connected to the lower side of the defective isolator is pulled to disassemble the socket clevis, the insulating rope connected to the upper side of the defective isolator is pulled, Can be disassembled.

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In the present invention, in the step of securing the air insulation separation distance, the step of raising the conductor supporting yoke, the step of installing the auxiliary insulator support, and the step of installing the insulator, the live work vehicle on which the operator can ride can secure the air insulation separation distance from the conductor supporting yoke Can be performed by approaching the conductor supporting yoke with the pendulum movement of the live work vehicle while being suspended from the suspension tower at one position.

The present invention is capable of safely replacing the insulator provided on the suspension tower and enhancing the convenience of the replacement work, thereby preventing the occurrence of safety accidents during maintenance work and greatly shortening the time and cost of replacement work .

Particularly, the present invention makes it possible to maintain the reliability of the electrical flashover characteristics directly related to the live wire method by enabling maintenance of poor reliability in the 765 kV triangular array single line transmission line in the state of applying the voltage, .

Further, the present invention has the effect of improving the reliability of the power supply to the ultra-high voltage transmission line and the maintenance technique.

1 is a schematic view showing an example of a pylon type suspension tower
FIG. 2 is a schematic view showing an example in which a transmission line relaying apparatus according to the present invention is installed in a pylon type suspension tower.
FIG. 3 is a perspective view showing a yoke lifting device in a transmission line aggregate replacement device according to the present invention. FIG.
FIG. 4 is a front view showing the auxiliary auxiliary support in the transmission line aggregate replacement apparatus according to the present invention. FIG.
5 is a front view showing the jig cap connecting jig in the transmission line aggregating apparatus according to the present invention.
6 is a front view showing a guide pulley in a power transmission line replacement apparatus according to the present invention.
FIG. 7 is a block diagram showing a method of replacing the transmission line aggregation according to the present invention
8 is a schematic view showing a step of securing an air insulation separation distance in the method of replacing the transmission line with the transmission line according to the present invention
9 is a schematic view showing a step of lifting a conductor supporting yoke in a method of replacing a transmission line with a transmission line according to the present invention
FIG. 10 is a schematic view showing a step of installing an auxiliary aggregate support in a transmission line aggregate replacement method according to the present invention.
FIG. 11 is a schematic view showing a step of replacing a faulty motor in the method of replacing the transmission line with the transmission line according to the present invention
FIG. 12 is a schematic view showing a step of installing a new alternator, which is replaced in the transmission line aggregation replacement method according to the present invention

BRIEF DESCRIPTION OF THE DRAWINGS The invention will be described in detail with reference to the accompanying drawings. Hereinafter, a repeated description, a known function that may obscure the gist of the present invention, and a detailed description of the configuration will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

FIG. 1 is a schematic view showing an example of a pylon-type suspending pylon. In the present invention, a transmission line faulty replenishing device according to an embodiment of the present invention includes a first electric wire 2 and a second electric wire 3 The first electric wire 2 is connected to the suspension tower 1 and the second electric wire 3 is connected to the conductor supporting yoke 5 so as to be installed in the suspension tower 1 in a V- More particularly, the present invention relates to a switching device for replacing a faulty rotor (4a) of a rotor (4, 4a), more particularly, (4a) to be replaced by a transmission line.

The hanging tower 1 is provided with a steel tower double door 6, an ascending hall 7, an arching 8, a grounding horn 9 and the like so as to prevent a high-voltage current from flowing through the steel tower.

A plurality of insulators (4, 4a) are installed in the V-shaped pylon (1), and the V-shaped insulators (4, 4a) are connected to the first electric wire (2) And is connected to the suspension tower 1 by bolts and is bolted to the second electric wire 3 at the lower end thereof and connected to the conductor supporting yoke 5 so as to be arranged in a V shape.

The first wire member 2 and the second wire member 3 each include six wires.

That is, the present invention relates to a power line replacement apparatus for replacing a defective insulator 4a damaged during use among two insulators 4 and 4a arranged in a V shape.

Referring to FIG. 2, the transmission line defective alternating apparatus according to an embodiment of the present invention includes a wire supporting member 5, which can be mounted on a worker and hangs on the suspension tower 1, And a work car 10.

The active work car 10 includes a work car 11 on which an operator works and a work vehicle connection member 12 which is an insulator to suspend the work car 11 on the suspension tower 1, The working vehicle connecting member 12 is provided with a polymer insulator including a plurality of polymer insulators.

The working vehicle 11 is connected to the suspension supporting yoke 5 at a position spaced apart from the conductor supporting yoke 5 by the working vehicle connecting member 12 connected to the one end side of the suspension tower 1, It is desirable to move vertically from a position at which a sufficient air insulation separation distance is secured in the vertical direction to another working position including the conductor supporting yoke 5 through pendulum movement.

The suspended tower 1 includes a yoke raising and lowering device 20 connected to the conductor supporting yoke 5 for raising and lowering the conductor supporting yoke 5, And a yoke connecting member 22 connecting the lifting device 21 and the conductor supporting yoke 5 and being an insulator. The yoke connecting member 22 is provided with a polymer insulator including a plurality of polymer insulators.

In addition, the defective insulators 4a of the insulators 4 and 4a are replaced by the auxiliary insulators 40, which are connected to the first and second wires 2 and 3, respectively.

The damaged rope 4a of the insulators 4 and 4a is joined by the insulator cap connecting jig 40 connected to the insulating rope 40a and dropped to the ground or the bottom of the pylon.

The insulator cap connecting jig 40 is connected to both ends of the faulty insulator 4a, that is, the side connected to the suspension tower 1 and the side connected to the conductor supporting yoke 5, .

The insulating rope 40a is connected to the jig raising and lowering device 50 to move up and down the jig cap connecting jig 40 and the jig raising and lowering device 50 is a chain block.

(Not shown) may be further provided to the insulator cap connecting jig 40, although not shown in the drawing. This allows the socket eye to be detached from the right-angled crevice, and the insulating rope 40a is loosened so that the defective insulator 4a can be removed from the insulator.

The jig ascending / descending device 50, which is connected to the suspending pylon 1 and is capable of ascending / descending, is mounted on the jig ascending / descending device 50 And a rising / falling guide insulating rope body (60) for guiding to the ground or the bottom of the steel tower.

The jig ascending / descending device (50), that is, the chain block is mounted on the ascending / descending guide insulating rope body (60) and ascended and descended so as to stably drop the poor agitator (4a) It is possible to stably raise and lower the new agitator 4 '.

3 is a perspective view illustrating a yoke lifting device 20 in the transmission line retracting device according to the present invention. Referring to FIG. 3, the lifting device 21 includes a suspension tower 1, A hydraulic cylinder 21b having a piston rod which is mounted on the support beam member 21a and moves up and down, a piston rod of the hydraulic cylinder 21b, A connecting body member 21d connected to the yoke connecting member 22 and a connecting body member 21d connecting the lifting support member 21c and the connecting body member 21d, And a height adjusting bar member 21e capable of adjusting the height of the guide member 21d.

The hydraulic cylinder 21b is mounted on the support member such that the end of the piston rod is upwardly mounted. The height adjustment bar member 21e has upper and lower ends fixed to both sides of the lifting support member 21c, And is connected to the connecting body member 21d.

That is, when the piston rod of the hydraulic cylinder 21b is moved up and down, the connecting body member 21d connected to the elevation adjusting bar member 21e is moved up and down to the elevating and lowering support member 21c The conductor supporting yoke 5 is pulled up or down.

The height adjusting bar member 21e has a bolt structure having a thread formed on the outer circumferential surface thereof and is coupled through the connecting body member 21d to press the upper and lower surfaces of the connecting body member 21d. (21f) is fastened to fix the position or height of the connecting body member (21d).

That is, the connecting body member 21d is fixed by loosening the two fixing nuts 21f and fixing the two fixing nuts 21f again, thereby setting the height freely.

4 is a front view of the auxiliary coaxial support 30 in the power transmission line replacement apparatus according to the present invention. Referring to FIG. 4, the auxiliary coaxial support 30 is connected to the first electric wire 2, A second mounting plate member 32 coupled to the second wire member 3, one end connected to the first mounting plate member 31 and the other end connected to the second mounting plate member 31, And a first and second auxiliary armature (33, 34) connected to the mounting plate member (32).

The first and second auxiliary pneumatic cylinders 33 and 34 are polymer agglomerations.

The first mounting plate member 31 and the second mounting plate member 32 are mounted on the first and second electric wires 2 and 3 by bolts and nuts respectively, .

FIG. 5 is a front view showing an insulator cap connecting jig 40 in a transmission line aggregation replacing apparatus according to the present invention, and the insulator cap connecting jig 40 is connected to one of the insulators of the insulators 4 and 4a A jig main body member 41 which surrounds a part of the jig main body member 41 and is connected to the insulation rope 40a, a jig main body member 41 which is rotatably mounted on one side of the jig main body member 41, And a jig fixing member 43 for fixing the rotary body member 42 at the other side of the jig main body portion.

The jig fixing member 43 includes a jig fixing bolt 43a that is rotatably mounted on the other side of the jig main body and is coupled to the rotating body member 42 and a jig fixing bolt 43a that is fastened to the jig fixing bolt 43a And a jig fixing nut 43b.

It is preferable that the jig fixing nut 43b can be easily loosened and fastened by an operator with an eye nut.

The apparatus for replacing a faulty relay line according to the present invention may further include a guide pulley 70 installed on the suspension tower 1 and guiding the upward and downward movement of the insulation rope 40a.

The guide pulley 70 guides the movement of the insulating rope 40a raised and lowered by the jig ascending / descending device 50 so that the engager connecting jig 40 can be moved up and down smoothly.

FIG. 6 is a front view of a guide pulley in a transmission line aggregate replacement apparatus according to the present invention, wherein the guide pulley includes a guide roller member 71 on which the insulation rope 40a spans the outer circumferential surface;

And a roller bracket member 72 mounted on the rotation axis of the guide roller and rotatably supporting the guide roller.

The guide roller member 71 may be formed on the outer circumferential surface thereof with a rope insertion groove 71a into which the insulation rope 40a is inserted.

In addition, it is preferable that an eye bolt 72a is fastened to the upper surface of the roller bracket member 72 so that it can be easily installed on the suspension tower 1.

The guide pulley is designed to withstand 1.5 tons of tensile load, so that it is possible to stably raise and lower the rotor 4, 4a having a load of 600 kg or more.

A method for replacing a faulty electrical power transmission line according to an embodiment of the present invention is characterized in that first and second electric wires 2 and 3 are connected to both ends of a transmission line to connect the first electric wire 2 to a suspension tower 1 And the second electric wire 3 is connected to the conductor supporting yoke 5 and is connected to the power transmission line for replacing the defective insulator 4a of the insulator 4, This is about how to replace the agitator.

7 is a block diagram illustrating a method for replacing the grid line according to the present invention. Referring to FIG. 7, a method for replacing a grid line failure in a transmission line according to an embodiment of the present invention includes: An air insulation separation distance securing step S100 for separating and removing the iron tower shed 6, the arcing 7, the arching 8 and the grounding horn 9 from the defective insulator 4a, the conductor supporting yoke 5 (S200) for mounting a yoke raising and lowering device (20) for raising and lowering a yoke lifting device (20) to a suspension tower (1) and raising the conductor supporting yoke by the yoke raising and lowering device (20) Cap connecting jig 40 connected to the insulation rope 40a in the state where the first wire member 2 and the second wire member 3 are pulled up is connected to the defective electromagnet 4a, (S300), which is separated from the auxiliary aggregation support (4a) and connected to the auxiliary aggregation support (30), the poor aggregation support (4a) (S400) in which the defective insulators (4a) are replaced with other insulators (4) on the ground or the bottom of the pylon, and the other insulators (4) (S500) of separating the first electric wire body (2) and the second electric wire body (3) from the auxiliary aggregation support (30) and connecting them to the other aggregation (4).

In addition, a method of replacing a faulty relay of a transmission line according to an embodiment of the present invention may include a step S600 of lowering the conductor supporting yoke 5 to return the terminal to its original position after the step S500, And a step (S700) of reinstalling the iron tower divider (6), the ascending wheel (7), the arching (8) and the grounding horn (9).

8 is a schematic view showing an air insulation separation distance securing step S100 in the method of replacing the transmission line insulator according to the present invention. Referring to FIG. 8, the air insulation separation distance securing step (S100) And the ground horn 9 are separated and removed to prevent the worker from separating and replacing the defective insulators 4a from the air So that an insulation separation distance can be ensured.

The step of securing the air insulation separation distance S100 may be performed in a manner similar to that of the first embodiment except that the auxiliary separation 7, the aging 8 and the grounding horn 9 of the V- It is preferable that a sufficient air insulation separation distance can be ensured by separating and removing the ascending horn 7, the arching 8,

The air insulation separation distance securing step S100 is performed in a state in which the live work vehicle 10 is suspended from the suspension tower 1 and the iron tower shed 6, Before the ground horn (9) is separated, the live work vehicle (10) is suspended from the suspension tower (1).

That is, the polymer insulator, which is the working vehicle connecting member 12 for hanging the live wire work car 10 and the live wire work car 10 before the air insulation separation distance securing step S100, Give it to the worker.

The insulating rope 40a, the jig ascending and descending device 50, the worm gear 40, the jig raising support device 30, the insulator cap connecting jig 40, the insulation rope 40a, The lowering guide insulating rope body 60 and the above-mentioned long-term equipment (not shown) are also raised to the overhead worker using the small winch before the above-mentioned air insulation separation distance securing step (S100) or before using the equipment.

The active work vehicle 10 is connected to the suspension supporting yoke 5 at a position spaced apart from the conductor supporting yoke 5 by the working vehicle connection member 12 connected to the suspension tower 1 at one end, In the vertical direction, a sufficient air insulation distance is secured.

It is preferable that the air insulation separation distance securing step S100 includes a step of installing the live wire work vehicle 10 on the suspension tower 1 and confirming the equipotentiality and electrical abnormality of the live wire work vehicle 10 Do.

Further, it is preferable to confirm whether or not the auxiliary auxiliary support 30 is electrically anomalous through the equal potential.

The worker removes the iron tower shed 6 and the ascending wheel 7 from the suspending pylon 1 and the worker on the live work vehicle 10 approaches the conductor supporting yoke 5 by the pendulum movement, The removal of the ringing 8 and the grounding horn 9 is an example.

In addition, it is also possible to prevent the live wire work vehicle 10 from being separated from the conductor support yoke 5 by air insulation (step S200), installing the auxiliary support yoke (step S300) And is moved close to the conductor supporting yoke 5 by the pendulum motion of the live wire work vehicle 10 while being suspended from the suspension tower 1 at a position where the separation distance is secured.

FIG. 9 is a schematic view showing a step S200 of lifting a support yoke in a transmission line inserting method according to the present invention, and FIG. 10 is a schematic view showing a step S300 of installing a sub- The operation of separating and removing the pylons 6, 7, 8, and 9 from the pylon is completed, in step S100, The jig ascending / descending device 50 and the ascending / descending guide insulating rope sheath 60 are installed on the suspending pylon 1 to install the auxiliary supporting rods (S300) 30 is replaced with the defective insulators 4a.

When the work preparation is completed, the worker moves the live work vehicle 10 to pendulum and approaches the conductor supporting yoke 5 to connect the yoke connecting member 22 to the conductor supporting yoke 5 .

The step S200 of pulling up the conductor supporting yoke raises the conductor supporting yoke 5 by actuating the up / down gear unit 21, that is, the hydraulic cylinder 21b in a state where the yoke connecting member 22 is connected .

The step of raising the conductor supporting yoke raises the conductor supporting yoke 5 only at a position where the defective magnetization 4a can be separated from the first electric wire 2 and the second electric wire 3.

In the step S300, the insulation rope 40a is connected to the jig ascending / descending device 50 disposed on both sides of the yoke up / down device 20, A jig fixing process of joining the insulator cap connecting jig 40 to the upper side and the lower side of the defective insulator 4a, respectively;

A step of separating the defect insulator 4a from the first and second wires 2 and 3 after the jig fixing process;

And a step of coupling one end side of the auxiliary electromagnet support base 30 to the first electric wire body 2 and coupling the other end side of the auxiliary electromagnet support base 30 to the second electric wire body 3 do.

Preferably, the jig fixing process is performed after equipotential bonding. Preferably, the jig fixing process is performed after the jig fixing process.

In the process of separating the defective insulators 4a, the socket eye is separated from the perpendicular clevis by using a joiner, and the insulated rope 40a is loosened with a joiner to separate the defective insulator 4a from the insulator.

That is, the insulation rope 40a connected to the lower side of the defective insulator 4a is pulled to dismantle the socket crevice, and then the insulation rope 40a connected to the upper side of the defective insulator 4a of the insulation rope 40a ) To pull out the crevice.

FIG. 11 is a schematic view showing a step of replacing the defective magnetron spins (4a) in the method of replacing the insulated magnetron according to the present invention. As shown in FIG. 11, the defective magnetron sputtering (4a) is coupled to the engager connecting jig (40) and is dropped to ground or pylon floor and replaced with a new pylon (4 ') at the ground or pylon floor.

After breaking the ball crevice, the insulation rope 40a connected to the lower side of the defective insulator 4a is released and the defective insulator 4a is moved to the suspension tower 1 side, So that the defective insulators 4a are moved to the ground or the bottom of the pylon.

At this time, any one of the jig raising and lowering devices (50), that is, the chain blocks disposed on both sides of the yoke up / down device (20) moves along the rising / falling guide insulating rope body (60) So that the defective agitator 4a can be stably dropped to the ground or the bottom of the pylon.

FIG. 12 is a schematic view showing an assembling step (S500) in the method of replacing the transmission line with the transmission line according to the present invention, in which a new insulator 4 ' Cap connecting jig 40 and is lifted and raised by the operation of the yoke lifting device 20 so as to be coupled to the first and second electric wires 2 and 3.

In the installation step S500, the miscellaneous rope 40a connected to the lower portion of the new insulator 4 'is pulled so that when the lower end of the new insulator 4' comes into the self-employment range of the live work vehicle 10, Performs an equipotential operation between the cap side of the end of the new insulator (4 ') and the first wire body (2) and the second wire body (3) by using a copper wire or a braided wire.

That is, the insulator 4 'is installed in the first electric wire 2 and the second electric wire 3 in the reverse order of separating the defective insulators 4a, The engager connecting jig 40 is detached.

The conductor support yoke 5 is returned to its original position through the step S600 of lowering the conductor support yoke and the iron spindle 6, the axing 7, the arching 8, the grounding horn 9, And finally, the replacement operation of the defective battery 4a is completed.

In the present invention, it is possible to safely replace the insulator provided in the suspension tower (1) and to increase the convenience in the replacement work, thereby preventing the occurrence of safety accidents during the maintenance work and greatly shortening the time and cost of the replacement work .

In particular, the present invention makes it possible to perform maintenance work on a 765 kV triangular array single-line transmission line in a state in which a voltage is applied, thereby obtaining data on the electrical flashover characteristics directly related to the live operation method, .

Further, the present invention improves the power supply reliability and maintenance technology of the ultra high voltage transmission line.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the above teachings. will be.

1: Suspension pylon 2: First wire
3: Secondary wire 4: Insulator
5: Conductor support yoke 6: Steel tower divorce
7: Ackinghon 8: Acking
9: Grounding Horn 10: Working Car
11: work carriage 12: work carriage connecting member
20: yoke ascending / descending device 21: ascending / descending device
21a: Support beam member 21b: Hydraulic cylinder
21c: lifting support member 21d: connecting body member
21e: height adjusting bar member 21f: fixing nut
22: yoke connecting member 30: auxiliary aggregate support
31: first mounting plate member 32: second mounting plate member
33: First Auxiliary Amplifier 34: First Auxiliary Amplifier
40: Insulator cap connecting jig 40a: Insulation rope
41: jig main body member 42: rotating body member
43: jig fixing member 43a: jig fixing bolt
43b: jig fixing nut 50: jig ascending / descending device
60: rising and falling guide insulating rope body 70: guide pulley
71: guide roller member 71a: rope insertion groove
72: roller bracket member 72a: eye bolt
S100: securing of air insulation separation step S200: step of raising a conductor supporting yoke
S300: Step of installing auxiliary aggregate support S400: Step of replacing defective aggregate
S500: Attachment step S600: Step of lowering the conductor supporting yoke
S700: Steps to reinstall

Claims (19)

Wherein the first and second wires are connected to both ends of the first and second wires to connect the first wire to the suspension tower and the second wire is connected to the conductor support yoke to form a V shape on the suspension tower. The present invention relates to a power line replacement apparatus for replacing a power line,
A live work vehicle capable of being carried by an operator and approaching the conductor supporting yoke by a pendulum motion suspended from the suspension tower;
A yoke lifting device detachably mounted on the suspension tower and connected to the conductor support yoke to lift up and down the conductor support yoke;
An auxiliary insulator support mounted on the first and second wires to replace the defective insulator;
An insulator cap connecting jig which is coupled to the defective insulator and connected to the insulation rope so as to drop the defective insulator separated into a ground or a pylon; And
And a jig ascending / descending device connected to the insulating rope so as to move up and down the jig cap connecting jig,
The yoke lifting device includes:
A rising / falling device section,
And a yoke connecting member connecting the lifting / lowering device and the conductor supporting yoke and being an insulator,
Wherein the up /
A supporting beam member that is seated on the frame of the suspension tower;
A hydraulic cylinder mounted on the support beam member and having a piston rod moving up and down;
A lifting support member connected to the piston rod of the hydraulic cylinder;
A connecting body member connected to the yoke connecting member; And
And a height adjusting bar member connecting the connecting body member and the elevating and lowering supporting member and adjusting a height of the connecting body member. delete delete delete delete The method according to claim 1,
Wherein the height adjusting bar member has a bolt structure having a thread formed on an outer circumferential surface thereof and is coupled through the connecting body member and two fixing nuts are fastened to press the upper and lower surfaces of the connecting body member. Replacement device. The method according to claim 1,
Wherein the yoke connecting member comprises a polymer insulator including a plurality of polymer insulators. delete delete The method according to claim 1,
Wherein the engager connecting jig includes:
A jig main body member surrounding a portion of one of the insulators and connected to the insulation rope;
A rotating body member rotatably mounted on one side of the jig main body member and surrounding the remaining portion of one of the insulators; And
And a jig fixing member for fixing the rotating body member at the other side of the jig main body part. The method of claim 10,
Wherein the jig fixing member includes a jig fixing bolt which is rotatably mounted on the other side of the jig main body and is coupled through the rotating body member and a jig fixing nut which is fastened to the jig fixing bolt. Replace the defective battery. The method of claim 11,
Wherein the jig fixing nut is an eye nut. delete Wherein the first and second wires are connected to both ends of the first and second wires to connect the first wire to the suspension tower and the second wire is connected to the conductor support yoke to form a V shape on the suspension tower. The present invention relates to a method for replacing a power line with a power line,
A step of securing an air insulation separation distance for separating and removing the pylons of the suspension tower from the suspension towers and the defective shovels;
A step of raising and lowering a yoke raising and lowering device for raising and lowering the conductor supporting yoke to a suspension tower and raising a conductor supporting yoke by the yoke raising and lowering device;
A connecting jig for connecting an insulator cap connected to an insulation rope in a state in which the conductor supporting yoke is pulled up is connected to the defective insulator and then the first and second electric wires are detached from the defective insulators and connected to the auxiliary insulators, Installation step;
A step of replacing the defective insulators with a defective insulator at the ground or at the bottom of the pylon by dropping the defective insulators to the ground or the bottom of the pylon;
A step of raising and lowering the other interchanged insulators so that the first and second wires are separated from the auxiliary insulator support and connected to the other insulators; And
A conductor supporting yoke descending step of lowering the conductor supporting yoke to return to the original position after the assembling step; and reinstalling the iron tower damper, the arcing, the arching, and the grounding horn,
The auxiliary aggregate support step may include:
A jig fixing step of connecting the insulation ropes to jig ascending devices disposed on both sides of the yoke lifting device and coupling the two jig-cap connecting jigs to the upper and lower sides of the defective yoke, respectively;
A step of separating the defective agglomerations from the first and second wires after the jig fixing process;
And connecting the one end side of the auxiliary coaxial support to the first electric wire body and coupling the other end side of the auxiliary coaxial support to the second electric wire body. . delete delete delete 15. The method of claim 14,
The process of separating the defective insulator is performed by pulling the insulation rope connected to the lower side of the defective insulator so as to disassemble the socket clevis and pulling the insulation rope connected to the upper side of the defective insulator of the insulation rope, Wherein said method comprises the steps of: 15. The method of claim 14,
The step of securing the air insulation separation distance, the step of raising the conductor supporting yoke, the step of installing the auxiliary insulator support, and the step of inserting the insulator are performed at a position where a live work vehicle on which a worker can ride can secure an air insulation separation distance from the conductor supporting yoke Wherein the pendulum movement of the live operation vehicle is performed while approaching the conductor supporting yoke with the pendulum movement of the live operation car suspended from the suspension tower.
KR1020150128628A 2015-09-10 2015-09-10 Changing Apparatus for Insulator Strings of Power Transmission Line and Changing Method for Insulator Strings of Power Transmission Line thereby KR101692639B1 (en)

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CN107859408A (en) * 2017-11-14 2018-03-30 广东天联电力设计有限公司 Cat head tower and loop structure thereof
CN110601064A (en) * 2019-09-04 2019-12-20 国网冀北电力有限公司经济技术研究院 Method for automatically stringing hardware fittings
CN110912058A (en) * 2019-12-06 2020-03-24 中国电力工程顾问集团西南电力设计院有限公司 Wind deflection prevention semi-V-shaped suspension string
CN111525437A (en) * 2020-04-03 2020-08-11 江西昌河汽车有限责任公司 Nursing frame for maintaining cables of press machine and application
CN112736768A (en) * 2021-01-04 2021-04-30 国网湖南省电力有限公司 Method for entering phase electric field in compact line
CN113053595A (en) * 2021-02-02 2021-06-29 中国电力工程顾问集团西南电力设计院有限公司 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles
RU2755653C1 (en) * 2021-03-05 2021-09-20 Общество С Ограниченной Ответственностью "Форэнерго-Инжиниринг" Method for repairing panel insulators harlands, repair rod polymer insulator for its implementation and kit of repair rod insulators
CN113581996A (en) * 2021-08-06 2021-11-02 国网新疆电力有限公司检修公司 A lifting device for installation of transformer substation's V type insulator
CN115173297A (en) * 2022-05-25 2022-10-11 国网河南省电力公司信阳供电公司 Movable high-altitude suspension insulator replacing device and using method
CN116706768A (en) * 2023-08-01 2023-09-05 国网山东省电力公司宁阳县供电公司 Anti-drop structure for electric tower cable installation

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Publication number Priority date Publication date Assignee Title
CN107859408B (en) * 2017-11-14 2024-03-08 广东天联电力设计有限公司 Cat head tower and loop structure thereof
CN107859408A (en) * 2017-11-14 2018-03-30 广东天联电力设计有限公司 Cat head tower and loop structure thereof
CN110601064A (en) * 2019-09-04 2019-12-20 国网冀北电力有限公司经济技术研究院 Method for automatically stringing hardware fittings
CN110912058A (en) * 2019-12-06 2020-03-24 中国电力工程顾问集团西南电力设计院有限公司 Wind deflection prevention semi-V-shaped suspension string
CN110912058B (en) * 2019-12-06 2024-04-26 中国电力工程顾问集团西南电力设计院有限公司 Semi-V-shaped suspension string for preventing windage yaw
CN111525437A (en) * 2020-04-03 2020-08-11 江西昌河汽车有限责任公司 Nursing frame for maintaining cables of press machine and application
CN111525437B (en) * 2020-04-03 2023-03-14 江西昌河汽车有限责任公司 Nursing frame for maintaining cables of press machine and application
CN112736768A (en) * 2021-01-04 2021-04-30 国网湖南省电力有限公司 Method for entering phase electric field in compact line
CN113053595A (en) * 2021-02-02 2021-06-29 中国电力工程顾问集团西南电力设计院有限公司 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles
RU2755653C1 (en) * 2021-03-05 2021-09-20 Общество С Ограниченной Ответственностью "Форэнерго-Инжиниринг" Method for repairing panel insulators harlands, repair rod polymer insulator for its implementation and kit of repair rod insulators
CN113581996A (en) * 2021-08-06 2021-11-02 国网新疆电力有限公司检修公司 A lifting device for installation of transformer substation's V type insulator
CN113581996B (en) * 2021-08-06 2023-08-25 国网新疆电力有限公司超高压分公司 Hoisting tool for installing V-shaped insulator of transformer substation
CN115173297A (en) * 2022-05-25 2022-10-11 国网河南省电力公司信阳供电公司 Movable high-altitude suspension insulator replacing device and using method
CN115173297B (en) * 2022-05-25 2023-07-25 国网河南省电力公司信阳供电公司 Movable high-altitude suspension insulator replacement device and use method
CN116706768B (en) * 2023-08-01 2024-01-12 国网山东省电力公司宁阳县供电公司 Anti-drop structure for electric tower cable installation
CN116706768A (en) * 2023-08-01 2023-09-05 国网山东省电力公司宁阳县供电公司 Anti-drop structure for electric tower cable installation

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