KR101631916B1 - Method for changing power distribution line in hot line - Google Patents

Method for changing power distribution line in hot line Download PDF

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Publication number
KR101631916B1
KR101631916B1 KR1020150129603A KR20150129603A KR101631916B1 KR 101631916 B1 KR101631916 B1 KR 101631916B1 KR 1020150129603 A KR1020150129603 A KR 1020150129603A KR 20150129603 A KR20150129603 A KR 20150129603A KR 101631916 B1 KR101631916 B1 KR 101631916B1
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KR
South Korea
Prior art keywords
new
fixed
vertical
slider
linear actuator
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KR1020150129603A
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Korean (ko)
Inventor
최성우
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탑이앤지 주식회사
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Priority to KR1020150129603A priority Critical patent/KR101631916B1/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle

Abstract

The present invention relates to a method of replacing a live wire from a live wire, and more particularly, to a method of replacing a live wire from a live wire, comprising: a mounting table detachably mounted on a boom of a live work vehicle; The supporting process of newly installed brass and new line post insulators, the movement of new brass rods, the supporting of existing brass rods, the dismantling of existing brass rods, Through the positioning and fixing process of the wanchul, it is possible to replace the existing wanchul and the existing line postal insulator with the new wanchan and the new line postal insulator. Therefore, it is easy to work, The time is reduced, so the work can be carried out safely and the air can be shortened.

Description

[0001] The present invention relates to a method of replacing a live line with a power line,
More particularly, the present invention relates to a method for replacing a live line work vehicle with a new work line with a new line line post insulator and placing it on the lower side of the existing line work post, With the new line post insulator removed, the existing line post insulator is demolished from the existing wax rail, the new wax rail is removed from Jeonju and the new wax rail installed with the new line post insulator is moved to the existing wax rail to be fixed to the pole. This makes it possible to replace the bullet rail and the line post insulator at the same time, and the operation is simple. The worker can carry on work safely by reducing the number of work hours and the work performed by the operator on the bucket of the live work vehicle. And a method of replacing the live wire from the live wire.
Since the processing distribution line is installed on the ground and is exposed to the sunlight and the wind weathertight, the insulation coating is damaged with the lapse of time, and the deterioration such as the exposure of the conductor proceeds.
As a method of replacing the aged processing distribution line, there are an electrostatic line construction method and an uninterrupted live line construction method in which power distribution through an existing processing distribution line to be replaced is cut off.
Since the electrostatic ramp method inconveniences and damages the use of power supplied from the processing power distribution line to be replaced, the uninterrupted live wire method is widely used.
As a prior art related to the conventional uninterrupted live wire method, there is a uninterruptible power distribution method of a single-phase line using a processing temporary line (hereinafter referred to as "prior art 1") of Korean Registered Patent No. 10-0479320 (registered on Mar. 18, 2005) .
In the prior art 1, the fixing means is installed in the work section for mounting the temporary fixing device for the temporary pre-fixing on the lower portion of each electric pole in the state where the live wire is installed. A provisional line preliminary process for laying a temporary line using a processing temporary wire passing through a fixing device, in a work section between a tensioning line and a tensioning line; A bypassing step of connecting the ends of the temporary line to the tensile main side sliding end portion outside the working section and cutting off the current of the live line in the corresponding section; A protection process for protecting and covering the connection between the temporary line and the live line outside the work area; Three - phase hypothesis to install three - phase electric wires and three - phase hypothesis process of electric wire replacement, electric wire replacement, and Changjoo modification; A returning step of connecting the bypassed temporary line to the three-phase line to supply the current, and shorting the temporary line from the three-phase live line; This is a method of repeating the work section between the tensioning and tensioning stages by replacing the single-phase line with a three-phase line and replacing the old line It is possible to improve the electric power quality and to work safely at a low cost by making it possible to carry out live and uninterrupted operation such as replacement of the bill, change of the river, and the like, and it does not hinder the passage of vehicles and pedestrians in the work section at all.
However, in the prior art 1, a provisional line fixing device is installed in each electric pole of a distribution line to be replaced, and a temporary line is installed. After completion of the three-phase installation process of three phase installation, wire replacement, There is a problem that the operation is troublesome and the work flow increases and the air is delayed.
Also, as a conventional prior art, there is a Korean Registered Patent No. 10-1473820 (registered on December 11, 2014) entitled " Method of Working on Power Distribution Equipment Live Line (hereinafter referred to as Prior Art 2).
The above-described prior art 2 is characterized in that the above-mentioned prior art 2 is characterized in that it comprises the steps of fixing the brace neck to the pole, moving the wire connected to the pole to the wire brace provided on the brace neck, and moving the brace neck or wire support upward, Moving the at least one of the plurality of wire supporting portions separated from the post insulator and moving the at least one of the plurality of wire supporting portions from the post insulator in a direction in which the at least one of the plurality of wire supporting portions is separated from the pole, removing the existing line post insulator provided on the pin coarse iron, A step of moving at least one of a plurality of wire support portions moved in a direction away from the electric pole to the side of the new line post insulator by moving in the direction of the electromotive force, and a step of moving the wire from the wire supporting portion to a new line post insulator The advantage of being able to easily replace the line post insulator There.
However, in the prior art 2, after fixing the warp knob at a lower position than the warp knob and then transferring the wire to the warp knob of the warp knit, the warp knot post is removed from the warp knit iron, This is because the new line post-insulator is removed from the existing line post-insulator at the work place and the new line post insulator is installed again at the existing work line. Therefore, the work is troublesome and the work air is increased, There is a delay problem.
In addition, the above-described prior arts have a problem in that a lot of work performed by a worker is carried on the bucket of the live-work vehicle, and the work time is lengthened, resulting in a risk of a safety accident.
Therefore, there is a demand for development of a technique that can simplify the work, reduce the work flow and work time performed by the worker on the bucket of the live work vehicle, safely perform the work, and shorten the air.
Korean Registered Patent No. 10-0479320 (Registered on Mar. 18, 2005) "Uninterruptible power distribution method of single-phase line using processing line" Korea Registered Patent No. 10-1473820 (Registered on November 11, 2014)
Therefore, an object of the present invention is to provide a method and apparatus for connecting a live wire work vehicle to a new work line post insulator by placing a new work bridge with a new line post insulator in the lower part of the existing wire bridge, separating the power line supported by the existing line post insulator, Removal of existing line post insulators from Wanchul, as well as removal of existing wanchuk from Jeonju, moving the new wanchcheon with new line post insulator to the position of existing wanchul and fixing it to Jeonju to replace wanchul and line post insulator at the same time And it is possible to carry out the work safely by reducing the number of work hours and work hours performed by the worker in the bucket of the live work vehicle. Also, a method of replacing the live wire from the live wire to shorten the air .
According to another aspect of the present invention, there is provided a boom for a live-work vehicle, comprising: a mounting member which is mounted on an upper end of a boom of a live-work vehicle and is detachably mounted by bolts and nuts; a vertical member provided in front of the mounting member; A mounting table having a connecting member for connecting the mounting member and the vertical member; A first slider rotatably supported on the upper end of the vertical member of the mounting table so as to be vertically pivotable, a first rotating means for vertically rotating the first supporting table, a first slider movably installed on the first supporting table, A first slider and a second slider installed on the first slider and having a first slider and a second slider mounted on the first slider, A first clamp driving mechanism for driving the first clamp driving mechanism; A second support unit vertically rotatably supported at a lower end of the vertical member of the mounting table, a second rotation unit for vertically rotating the second support unit, a second slider movably installed on the second support unit, A second slider provided on the second slider for advancing and retreating the second slider; a second clamp provided on a distal end of the second slider to detach the new rigid iron; and a second clamp provided on the second slider, And a second clamp driving means for driving a clamp, wherein the first clamp driving means includes a first clamp driving means for driving the clamp, and a second clamp driving means for driving the clamp; A supporting step of installing a new full rail and a new line post insulator by installing a new line post insulator on the new flat rail and clamping one end of the new flat rail to the second clamp of the new flat rail according to the clamping operation described above; A movable and untwisted iron supporting step of operating a boom of a live work vehicle to place new coarse iron under the existing coarse iron and clamping one end of the existing coarse iron with the first clamp according to the clamping operation described above; A demolition and distribution line removal process of an existing wastepaper wherein the first clamp is unclamped, the existing wand fixture is dismantled to remove the existing wastepaper and the distribution line is installed on a new line post insulator installed in the new wastepaper; And the boom of the live operation vehicle is operated to move the new full rail to the position where the existing rail is installed, fix the new rail to the electric pole with the new rail fastener, unclamp the second clamp, And a method for replacing a live wire in a live wire state including a positional movement and a fixing process of a new wire harness to withdraw a wire harness replacement device.
According to the present invention, there is provided a method of replacing a live wire with a live wire, comprising: a mounting table detachably mounted on a boom of a live-work vehicle; an existing wire rope supporting device coupled to an upper end of the mounting bracket; The supporting process of the new complete rail and the new line post insulator using the power line replacement device in the live state including the supporting device, the movement of the new rail and the supporting of the existing rail, the demolition of the existing rail and the demarcation of the existing rail, , It is possible to replace the existing wax iron and the existing line post insulator with the new wax iron and the new line post insulator through the position shifting and fixing process of the wax iron, Can be reduced, so that the work can be carried out safely and the air can be shortened.
FIG. 1 to FIG. 12 show a power line replacement apparatus in a live state for implementing a power line replacement method in a live line state according to the present invention,
1 is a perspective view of a power line replacement apparatus in a live line state,
Fig. 2 is an exploded perspective view showing a state in which the power line replacement apparatus is separated from the boom in the live line state,
Fig. 3 is an exploded perspective view of the state in which the power line replacement apparatus is separated from the boom in the live line state,
4 is an exploded perspective view of the power line replacement apparatus in a live state,
5 is an exploded perspective view of the power line replacement apparatus in a live state,
6 to 13 show a preferred embodiment of a method for replacing a live wire with a live wire according to the present invention,
6 is a cross-sectional view showing a first clamping step,
7 is a cross-sectional view showing the clamping step 2,
8 is a sectional view showing a clamping step 3,
Fig. 9 is a perspective view showing a state in which an existing solid rail equipped with an existing line post insulator is installed on a pole,
10 is a view showing a process of supporting a new complete bar provided with a new line post insulator to a new unprocessed bar supporting portion of a power line replacement device,
11 is a view showing a process of placing a new wrought iron supported on a new wrought iron support portion at a lower portion of the existing wrought iron,
Fig. 12 is a view showing a process of disposing an existing wrought iron provided with an existing line post insulator from a pole and laying a distribution line on a new line post insulator. Fig.
Fig. 13 is a view showing a step of moving the new rough rail to a position where the existing rail is installed and fixing the new rail to the pole.
Hereinafter, a method of replacing a live wire in a live wire according to the present invention will be described in detail with reference to the preferred embodiments illustrated in the accompanying drawings.
Before describing a method of replacing a live wire with a live wire according to the present invention, a live wire replacement apparatus for realizing a live wire replacement method according to the present invention will be described.
In order to realize the method of replacing the live wire in the live wire state according to the present invention, the live wire replacing device in the live wire state is a device in which the live wire replacing device is detachably mounted to the boom BM of the live- A conventional wrought iron supporting apparatus 200 coupled to an upper end of the mounting table 100 and a new wired iron supporting apparatus 300 coupled to a lower end of the mounting table 100. [
Since the live running vehicle (not shown) can be used in a conventional live-work vehicle equipped with a bucket (not shown) on which an operator can ride on the upper end of the boom BM, It is omitted.
1 to 5, the mounting base 100 includes a mounting member 110 which is fitted on the upper end of the boom BM and is detachably mounted by bolts 140 and nuts 150, A vertical member 120 installed in front of the mounting member 110 and a connecting member 130 connecting the mounting member 110 and the vertical member 120.
The mounting member 110, the vertical member 120, and the connecting member 130 are integrally joined by welding.
As shown in FIGS. 1 to 5, the conventional barb supporting device 200 includes a first support 210 which is vertically rotatably supported on an upper end of the vertical member 120 of the mounting bar 100, A first slider 230 installed on the first support 210 so as to be able to move forward and backward and a second slider 230 installed on the first support 210, A first clamp 250 which is installed at the tip of the first slider 230 and is attached to and detached from the first wider iron 11, And a first clamp driving mechanism 260 mounted on the first slider 230 to drive the first clamp 250.
The first support 210 includes a vertical part 211 and a horizontal part 212 extending forward from a lower end of the vertical part 211.
The vertical part 211 and the horizontal part 212 may be integrated by welding and the reinforcing rib 213 may be welded to the joint part between the vertical part 211 and the horizontal part 212 for reinforcement.
A hinge piece 214 fixed to the vertical member 120 so as to vertically pivotally support the first support 210 on the vertical member 120 of the mount 100, And a hinge pin 216 for rotatably connecting the hinge piece 214 and the hinge piece 215. The hinge pin 215 is fixed to the rear surface of the hinge pin 215. The hinge pin 215 is connected to the hinge pin 215, The hinge pin 214 may be integrally fixed to the vertical member 120 and the hinge piece 215 may be integrally fixed to the vertical portion 211 by welding. The hinge pin 216 may be formed of a general hinge pin or a bolt and a nut as shown in the drawing. In the drawing, reference numerals of the hinge pin 216 are assigned to either a bolt or a nut.
The first rotating means 220 includes a linear actuator main body 221 having one end rotatably supported by the vertical member 120 of the mounting table 100 so as to be vertically rotatable, And a working rod 222 whose distal end portion is vertically rotatably connected to the horizontal portion 212 of the first support table 210.
A hinge piece 223 fixed to the vertical member 120 for vertically pivotally supporting the linear actuator main body 221 on the vertical member 120 and a hinge piece 223 fixed to the rear end of the linear actuator main body 221, (224) and a hinge pin (225) for pivotally connecting the hinge pieces (223, 224).
A hinge piece 226 fixed to the lower surface of the horizontal portion 212 to vertically pivotally connect the operation rod 222 to the horizontal portion 212 and a hinge piece 226 fixed to the distal end of the operation rod 222 227 and a hinge pin 228 for rotatably connecting the hinge pieces 226, 227.
The hinge piece 223 is attached to the rear end of the linear actuator body 221 while the hinge piece 226 is attached to the lower surface of the horizontal part 212. The hinge piece 224 Can be integrally fixed to the tip of the working rod 222 by welding or the like. The hinge pin 228 may be formed of a general hinge pin or a bolt and a nut as shown in the drawing. In the drawing, reference numerals of the hinge pin 228 are given only to either a bolt or a nut.
The first slider 230 includes a pair of first guide rods 231 supported by a support piece 232 fixed to the upper surface of the horizontal portion 212, And is slidable in forward and backward directions by a first guide hole 233 guided by the pair of first guide rods 231.
A metal bush or a linear motion bearing can be inserted between the pair of first guide rods 231 and the first guide holes 233. [
The first linear movement actuator 240 includes a linear actuator body 241 fixedly mounted on the upper surface of the horizontal portion 212 and a second linear actuator 241 fixed to the linear actuator body 241 so as to protrude / And an operating rod 242 fixed to the rear end of the body 230.
The first clamp 250 is fixed to the upper surface of the first slider 230 and includes an outer cylinder 251 having an insertion hole 252 into which one end of the ground wire 25 is inserted, And an inner tubular body 254 which is installed in the interior of the tubular body 25 so as to be movable forward and backward and which can be inserted into one end of the existing tubular body 11.
A bare iron guide portion 253 extended toward the front is formed at the distal end of the outer cylinder 251 so that one end of the wrought iron bulb 11 can be smoothly inserted into the insertion hole 252, 254 are formed with tapered portions 255 gradually tapering toward the front to allow the inner barb 254 to be smoothly inserted into the existing wrought iron 11.
The tapered portion 255 may be inserted into the existing wrought iron 11 to act as a wedge so that the wanded wrought iron 11 can be closely clamped.
The first clamp driving means 260 includes a linear actuator body 261 fixed to the first slider 230 and a linear actuating body 261 which is installed in the linear actuator body 261 so as to protrude and retract, And an operating rod 262 fixed to the rear end of the housing.
The linear actuator bodies 221, 241 and 261 and the actuating rods 222, 242 and 262 can be constituted by a conventional hydraulic cylinder, a pneumatic cylinder, a rotary motor, a nut box and a screw.
The linear actuator main bodies 221, 241 and 261 are constituted by hydraulic cylinders or pneumatic cylinders, and the actuating rods 222, 242 and 262 are constituted by hydraulic cylinders or piston rods of pneumatic cylinders. The linear actuator main body 221, 241, 261 may be a rotary motor and a nut box, and the actuating rods 222, 242, 262 may be composed of a screw .
As shown in FIGS. 1 to 5, the new bog iron supporting means 300 includes a second support 310 which is vertically rotatably supported at a lower end of the vertical member 120 of the mounting table 100, A second slider 330 installed on the second support 310 so as to be able to move forward and backward and a second slider 330 installed on the second support 310, A second clamping unit 350 provided at a distal end of the second slider 330 and detachably attaching the new wedge 21 to the second slider 330; And a second clamp driving means 360 mounted on the second slider 330 to drive the second clamp 350.
The second support base 310 includes a vertical portion 311 and a horizontal portion 312 extending forward from a lower end of the vertical portion 311.
The vertical part 311 and the horizontal part 312 can be integrated by welding and the reinforcing rib 313 can be welded to the joint part between the vertical part 311 and the horizontal part 312 for reinforcement.
A hinge piece 314 fixed to the vertical member 120 so as to vertically pivotally support the second support 310 on the vertical member 120 of the mounting table 100 and the vertical part 311, And a hinge pin 316 that rotatably connects the hinge piece 314 and the hinge piece 315. The hinge piece 315 is fixed to the rear surface of the hinge piece 314, The hinge pin 314 may be integrally fixed to the vertical member 120 and the hinge piece 315 may be integrally fixed to the vertical portion 311 by welding. The hinge pin 316 may be formed of a general hinge pin or a bolt and a nut as shown in the drawing. In the drawing, reference numerals of the hinge pin 316 are assigned to either a bolt or a nut.
The second rotating means 320 includes a linear actuator main body 321 having one end rotatably supported by the vertical member 120 of the mounting table 100 so as to be vertically rotatable, And a working rod 322 whose distal end portion is vertically rotatably connected to the horizontal portion 312 of the second support table 310.
A hinge piece 323 fixed to the vertical member 120 to vertically support the linear actuator body 321 on the vertical member 120 and a hinge piece 323 fixed to the rear end of the linear actuator body 321, And a hinge pin 325 for rotatably connecting the hinge pieces 323 and 324.
A hinge piece 326 fixed to the lower surface of the horizontal portion 312 to vertically pivotally connect the operation rod 322 to the horizontal portion 312 and a hinge piece 326 fixed to the tip of the operation rod 322 327 and a hinge pin 328 for rotatably connecting the hinge pieces 326, 327.
The hinge piece 323 is attached to the rear end of the linear actuator main body 321 and the hinge piece 326 is attached to the lower surface of the horizontal part 312. The hinge piece 324, Can be integrally fixed to the tip of the working rod 322 by welding or the like. The hinge pin 328 may be formed of a general hinge pin or a bolt and a nut as shown in the drawing. In the drawing, reference numerals of the hinge pin 328 are assigned to either a bolt or a nut.
The second slider 330 includes a pair of second guide rods 331 supported by a support piece 332 fixed to the upper surface of the horizontal portion 312 and a second guide rod 331 formed through the second slider 330 And is slidable in the front and rear direction by a second guide hole 333 guided by the pair of second guide rods 331.
A metal bush or a linear motion bearing can be inserted between the pair of second guide rods 331 and the second guide hole 333.
The second linear driving actuator 340 includes a linear actuator main body 341 fixed to the upper surface of the horizontal portion 312 and a second linear actuator main body 341 fixed to the linear actuator main body 341, And an operating rod 342 fixed to the rear end of the second housing 330.
The second clamp 350 is fixed to the upper surface of the second slider 330 and includes an outer cylinder 351 having an insertion hole 352 into which one end of the new construction wire 21 is inserted, And an inner barrel 354 which can be inserted and retracted into the inside of one end of the new barb 21.
A bobbin guide portion 353 is formed at the distal end of the outer cylinder 351 so as to extend forwardly so that one end of the new bobbin 21 can be smoothly inserted into the insertion hole 352, 354 are formed with tapered portions 355 gradually tapering forward to allow the inner bar 354 to be smoothly inserted into the new wrought iron 21.
The tapered portion 355 may be inserted into the new rough rail 21 to act as a wedge so that the new rough rail 21 can be firmly clamped.
The second clamp driving means 360 includes a linear actuator main body 361 fixed to the second slider 330 and a linear actuator main body 361 provided at a front end of the inner actuator 354, And an operating rod 362 fixed to the rear end of the housing.
The linear actuator bodies 321, 341 and 361 and the actuating rods 322, 342 and 362 can be constituted by a conventional hydraulic cylinder, a pneumatic cylinder or a rotary motor, a nut box and a screw.
The linear actuator main bodies 321, 341 and 361 are constituted by hydraulic cylinders or pneumatic cylinders and the actuating rods 322, 342 and 362 are constituted by hydraulic cylinders or piston rods of pneumatic cylinders The linear actuator main body 321, 341, 361 may be a rotary motor and a nut box, and the actuating rods 322, 342, 362 may be composed of a screw .
The first and second rotating means 220 and 320, the first and second driving means 240 and 340, the first and second clamps 250 and 250, 350 will be described.
[Operation of the rotating means]
When the actuating rods 222 and 322 are moved forward or backward from the linear actuator bodies 221 and 321 constituting the first and second rotating means 220 and 320, the rear ends of the linear actuator bodies 221 and 321 The distal ends of the operating rods 222 and 322 are vertically rotatably connected to the horizontal portions 212 and 312 of the first and second supporting rods 210 and 310, respectively, The first and second support rods 210 and 310 are vertically rotated.
The first and second sliders 230 and 330 mounted on the first and second supports 210 and 310, the first and second advance and retreat driving means 240 and 340, the first and second clamps 250 and 350 and the first and second clamp driving means 260 and 360 rotate up and down.
The operation of the pivoting means can be fully understood by a person skilled in the art even if the operation state thereof is not shown, so that detailed illustration and description thereof will be omitted.
[Operation of forward / backward driving means]
When the working rods 242 and 342 are moved forward or backward from the linear actuator bodies 241 and 341 constituting the first and second advancing and retreating driving means 240 and 340, the linear actuator bodies 241 and 341 are respectively driven by the first And the first and second sliders 230 and 330 are connected to the first and second sliders 230 and 330. The first and second sliders 230 and 330 are mounted on the first and second supports 210 and 310, Is guided or retracted while being guided by the first and second guide rods 231 and 331 and the first and second guide holes 233 and 333.
The first and second clamps 250 and 350 mounted on the first and second sliders 230 and 330 and the first and second clamp driving means 260 and 360 are moved forward or backward.
[Operation of Clamp Driving Means]
When the working rods 262 and 362 are moved forward or backward from the linear actuator bodies 261 and 361 constituting the first and second clamp driving means 260 and 360, the linear actuator bodies 261 and 361 are respectively driven by the first And the first and second sliders 230 and 330 and the operation rods 262 and 362 are connected to the rear ends of the inner rods 264 and 364 so that the inner rods 264 and 364 are moved forward or backward.
The operation of the advancing / retreating drive means and the operation of the clamping drive means will be described together with clamping and unclamping operations to be described later.
[Clamping and Unclamping Operation]
The boom BM of the live-work vehicle is operated in a state of retreating the inner loops 252 and 352 by the first and second clamp driving means 260 and 360 in the first clamping step so that the first and second clamps 250, and 350 are positioned at one end of the existing wrought iron 11 and the newly installed wrought iron 21 (see FIG. 6).
When the first and second sliders 230 and 330 are advanced by the first and second advancing / retreating driving means 240 and 340 in the second clamping step, the outer cylinder of the first and second clamps 250 and 350 251 and 351 and the inner loops 254 and 354 advance together and one end of the existing wax iron 11 and the new wax iron 21 are inserted into the outer tubular bodies 251 and 351 (see FIG. 7).
Since the extension portions 253 and 353 are formed at the distal end portions of the outer tubular bodies 251 and 351, the inserted wax iron 11 and the inserted wax iron 21 are smoothly inserted into the outer tubular bodies 251 and 351 .
When the inner loops 254 and 354 are advanced by the first and second clamp driving means 260 and 360 in the third clamping step, the inner loops 254 and 354 are advanced, 21) (see Fig. 8).
At this time, since the tapered portions 255 and 355 are formed at the tip ends of the inner loops 254 and 354, the inner loops 254 and 354 are smoothly inserted into the existing wrought iron 11 and the new wrought iron 21 .
The inner loops 254 and 354 are tightly brought into close contact with the inner surface of the existing wax iron 11 and the new wax iron 21 by the tapered portions 255 and 355 of the inner loops 254 and 354, .
Since the unclamping operation is performed in the reverse order of the above-described clamping operation, a detailed description thereof will be omitted.
Hereinafter, a construction process of a method of replacing a live wire from a live wire according to the present invention will be described.
9 is a perspective view showing a state where the existing line post insulator 12 is installed on the existing wrought iron 11 fixed to the electric pole 10 by the existing wand fastener 13 and the distribution line 30 is supported on the existing line post insulator 12, (Not shown), and they are fixed and fixed.
[Preparatory Process of Replacement Device from Live Line to Distribution Line]
The power line replacing apparatus in the live line state including the above-described mount stand 100, the existing wrought iron support apparatus 200 and the new wrought iron support apparatus 300 is prepared in a state of being mounted on the boom BM of the live operation vehicle.
[Supporting process of new complete rail and new line post insulator]
The existing wrought iron supporting device 200 and the new wrought iron supporting device 300 are coupled to the mounting table 100 and the mounting table 100 is mounted on the boom BM of the live operation vehicle.
The new line post insulator 22 is installed in the new complete rail 21 and the one end of the new flat rail 21 is clamped to the second clamp 350 of the new rail 30 in accordance with the clamping operation 10).
At this time, a new wrought iron fastener 23 for fixing the new wrought iron 21 to the electric pole 10 is prepared. The new complete band is composed of a conventional adapter, a band, a bolt and a nut, which are shown in the drawing but not given the reference numerals.
[Movement of the new bare iron and the existing bare iron supporting process]
The boom BM of the live operation vehicle is operated to place the new rough iron 21 at the lower portion of the existing wax iron 11 and at the same time the one end of the existing wax iron 11 with the first clamp 250 (See Fig. 11).
[Dismantling of existing bridges and process of wiring of distribution lines]
The first clamp 250 is unclamped and the existing wrought iron fixture 13 is dismantled to remove the existing wrought iron 11 and the power distribution line 30 is removed from the new line post insulator 22 provided on the new wired iron 21 And fixed by binding with a regular binding (see Fig. 12).
At this time, the ground bridges 11 to be demolished can be hung on a separate crane and put down on the ground.
[Moving and fixing process of the newly-manufactured brass bars]
The boom BM of the live operation vehicle is operated to move the new wrought iron 21 up to the position where the wanded wrought iron 11 was installed and the new wand iron 21 to the electric pole 10 with the new wand fixture 23 (See Fig. 13).
The second clamp 350 is unclamped and the boom BM of the live-work vehicle is operated so that the existing wrought iron support apparatus 200 is newly installed The iron wire support apparatus 300 is separated from the electric pole 10, and the live work vehicle is moved to complete the operation.
As described above, according to the method of replacing the live wire in the live wire state of the present invention, the new full wire provided with the new line post insulator is coupled to the live wire work vehicle, With the new line post insulator removed, the existing line post insulator is removed from the existing bridge, the existing bridge is removed from Jeonju, and the new bridge installed with the new line post insulator is moved to the position of the existing bridge and fixed to the pole. It is possible to replace wax iron and line post insulator at the same time, and it is easy to work, and the operator can carry on work safely by reducing the number of work hours and work performed by boarding the bucket of live work vehicle. .
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as falling within the scope of the present invention.
BM: Boom 10: Jeonju
11: Existing bridges 12: Existing line post insulators
21: Newly wired iron 22: New line post insulator
30: Distribution line 100: Mounting base
110: mounting member 120: vertical member
130: connecting member 140: bolt
150: Nut 200: Existing brass support device
210: first support table 211: vertical part
212: horizontal portion 213: reinforcing rib
214, 215: hinge piece 216: hinge pin
220: first rotating means 221: linear actuator body
222: operating rod 223, 224: hinge piece
225: hinge pin 226, 227: hinge pin
228: hinge pin 230: first slider
231: first guide bar 232:
233: first guide ball 240: first advance / retreat drive means
241: Linear actuator main body 242:
250: first clamp 251: outer cylinder
252: insertion hole 253:
254: inner ring 255: tapered portion
260: first clamp drive means 261: linear actuator body
262: working rod 300: new wrought iron supporting device
310: second support base 311: vertical part
312: horizontal portion 313: reinforcing rib
314, 315: Hinge piece 316: Hinge pin
320: second rotating means 321: linear actuator body
322: operating rod 323, 324: hinge piece
325: Hinge pin 326, 327: Hinge pin
328: Hinge pin 330: Second slider
331: second guide rod 332: support piece
333: second guide hole 340: second advance / retreat drive means
341: linear actuator main body 342:
350: second clamp 351: outer cylinder
352: insertion hole 353:
354: Inner hook 355: Tapered part
360: second clamp drive means 361: linear actuator body
362: Working rod

Claims (1)

  1. A mounting member 110 detachably mounted on the upper end of the boom BM of the live-running vehicle by bolts 140 and nuts 150, and a vertical member (not shown) provided in front of the mounting member 110 And a connecting member 130 connecting the mounting member 110 and the vertical member 120 to each other;
    And a horizontal part 212 extending vertically from the lower end of the vertical part 211. The vertical part 211 is rotatably supported on the upper end of the vertical member 120 of the mount 100, A hinge piece 214 fixed to the vertical member 120 and a hinge piece 215 fixed to a rear surface of the vertical portion 211. The hinge piece 214 and the hinge piece 214 are connected to each other, A hinge pin 216 for rotatably connecting the hinge pin 215,
    A linear actuator main body 221 having one end vertically rotatably supported by the vertical member 120 of the mounting table 100 and a linear actuator body 221 which is extendably provided on the linear actuator body 221, A first rotating means 220 including a working rod 222 rotatably connected to a horizontal portion 212 of the first supporting member 210 so as to vertically rotate the first supporting member 210,
    A first slider 230 movably installed on the first support 210,
    A pair of first guide rods 231 supported by a support piece 232 fixed to the upper surface of the horizontal portion 212 and a pair of second guide rods 231 formed through the first slider 230, A first guide hole 233 guided by the rod 231,
    A linear actuator main body 241 fixed to the upper surface of the horizontal portion 212 of the support base 210 and a linear actuator main body 241 fixedly installed on the linear actuator main body 241, A first slider driving means 240 for moving the first slider 230 forward and backward,
    An outer cylinder 251 which is fixed to the upper surface of the first slider 230 and has an insertion hole 252 into which one end of the existing wrought iron 11 is inserted and has a wrought iron guide portion 253 extending forwardly at the distal end, An inner tubular body 254 which is provided in the outer cylinder 251 so as to be able to advance and retreat and is insertable into one end of the standing barrel 11 and has a tapered portion 255 gradually tapered forwardly at the tip thereof, A first clamp 250 detachably attached to the existing wrought iron 11,
    A linear actuator main body 261 fixed to the first slider 230 and a working rod 262 installed at a front end of the linear actuator main body 261 and fixed at the rear end of the upper inner loop body 254, And a first clamp driving mechanism (260) for driving the first clamp (250) including the first clamp driving mechanism (260). And
    A vertical part 311 rotatably supported at a lower end of the vertical member 120 of the mounting table 100 and a horizontal part 312 extending forward from a lower end of the vertical part 311, 2 support table 310,
    A hinge piece 314 fixed to the vertical member 120 of the mounting table 100 and a hinge piece 315 fixed to the rear surface of the vertical portion 311 and a hinge piece 314 fixed to the rear surface of the vertical portion 311, A hinge pin 316 for rotatably connecting the hinge pin 315,
    The linear actuator main body 321 is supported by the vertical member 120 of the mounting base 100 so that one end of the linear actuator body 321 is vertically rotatable. The linear actuator main body 321 has a distal end, A second rotating means 320 for vertically rotating the second supporting table 310 including a working rod 322 vertically rotatably connected to the horizontal portion 312 of the second supporting base 310,
    A second slider 330 movably installed on the second support 310,
    A pair of second guide rods 331 supported by a support piece 332 fixed to the upper surface of the horizontal portion 312 and a pair of second guide rods 331 formed through the second slider 330, A second guide hole 333 guided by the guide groove 331,
    A linear actuator main body 341 fixed to the upper surface of the horizontal portion 312 and having a front end fixed to the rear end of the second slider 330, (340) installed on the second support (310) including the second slider (342) to advance and retreat the second slider (330)
    An outer cylinder 351 which is fixed to the upper surface of the second slider 330 and has an insertion hole 352 into which one end of the new wedge iron 21 is inserted and has a wrought iron guide portion 353 extending forwardly at the distal end, An inner tubular member 354 which is provided in the outer tubular body 351 so as to be able to move forward and backward and which is insertable into one end of the new wrought iron 21 and has a tapered portion 355 gradually tapering forwardly, A second clamp 350 installed at a distal end of the second slider 330 and detachably attaching the new wedge 21,
    A linear actuator main body 361 fixed to the second slider 330 and a working rod 362 installed at a front end of the linear actuator body 361 and fixed to the rear end of the inner loop body 354, And a second clamp driving means (360) for driving the second clamp (350) including the first clamping driving means (360). The method comprising the steps of: preparing a power line replacement device mounted on a boom (BM)
    The line post insulator 22 is installed in the new rough rail 21 and the new fast rail 21 is clamped to the second clamp 350 of the new rigid rail support device 300 in accordance with the above- And a supporting step of a new line post insulator;
    The boom BM of the live operation vehicle is operated to place the new rough iron 21 at the lower portion of the existing wax iron 11 and at the same time the one end of the existing wax iron 11 with the first clamp 250 Moving and clamping a new rough rail for clamping;
    The first clamp 250 is unclamped and the existing wand fastener 13 is dismantled to remove the existing wand 11 and the distribution line 30 is removed from the new line post insulator 22 provided on the new wand 21 The demolition and distribution line of Wanchul Lee; And
    The boom BM of the live operation vehicle is operated to move the new wrought iron 21 up to the position where the wanded wrought iron 11 was installed and the new wand iron 21 to the electric pole 10 with the new wand fixture 23 And clamping the second clamp (350), and moving and fastening the new rigid iron to withdraw the replacement device from the live work vehicle and the distribution line in the live line state.
KR1020150129603A 2015-09-14 2015-09-14 Method for changing power distribution line in hot line KR101631916B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101794296B1 (en) * 2017-01-23 2017-12-01 삼성기술감리 주식회사 Connecting clamp for replacing power line of power distribution line
KR101799036B1 (en) 2017-03-30 2017-12-20 주식회사 전진이엔지 Distribution plate for supporting extra high voltage distribution line
KR101864309B1 (en) 2017-01-19 2018-06-05 삼성기술감리 주식회사 Apparatus for changing power distribution line in hot line
KR101893076B1 (en) * 2017-03-31 2018-08-29 (주)혜광 Supporter for extra high voltage disdribution line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100479320B1 (en) 2003-02-18 2005-03-25 우창전력(주) Uninterruptable distributing method of single-phase wire using temporary line
KR20090024841A (en) * 2007-09-05 2009-03-10 양희성 Apparatus for changing cross -arm and electric pole using trane truck
KR20140081139A (en) * 2012-12-21 2014-07-01 양희성 electric supply equipment replacement apparatus using a crane
KR101473820B1 (en) 2014-01-20 2014-12-18 서광전기통신공사(주) Method for hot line work of power distribution equipment using thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100479320B1 (en) 2003-02-18 2005-03-25 우창전력(주) Uninterruptable distributing method of single-phase wire using temporary line
KR20090024841A (en) * 2007-09-05 2009-03-10 양희성 Apparatus for changing cross -arm and electric pole using trane truck
KR20140081139A (en) * 2012-12-21 2014-07-01 양희성 electric supply equipment replacement apparatus using a crane
KR101473820B1 (en) 2014-01-20 2014-12-18 서광전기통신공사(주) Method for hot line work of power distribution equipment using thereof
KR20150087780A (en) * 2014-01-20 2015-07-30 서광전기통신공사(주) Method for hot line work of power distribution equipment
KR20150087779A (en) * 2014-01-20 2015-07-30 서광전기통신공사(주) Method for hot line work of power distribution equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101864309B1 (en) 2017-01-19 2018-06-05 삼성기술감리 주식회사 Apparatus for changing power distribution line in hot line
KR101794296B1 (en) * 2017-01-23 2017-12-01 삼성기술감리 주식회사 Connecting clamp for replacing power line of power distribution line
KR101799036B1 (en) 2017-03-30 2017-12-20 주식회사 전진이엔지 Distribution plate for supporting extra high voltage distribution line
KR101893076B1 (en) * 2017-03-31 2018-08-29 (주)혜광 Supporter for extra high voltage disdribution line

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