KR102138456B1 - Integrated power cable towing equipment capable of continuous removal and installation of power cabling - Google Patents

Abstract

The present invention relates to an integrated power cable laying apparatus capable of consecutively removing and installing power cables. According to the present invention, the integrated power cable laying apparatus capable of consecutively removing and installing power cables comprises: a base frame unit; a grip unit consisting of a pair of seesaw plates, a grip roller, a pressing grip roller, and a power transmission member; and a guide tray unit. According to the present invention, work costs can be reduced.

Description

Integrated power cable towing equipment capable of continuous removal and installation of power cabling

The present invention relates to an all-in-one power cable laying apparatus capable of continuously dismantling and establishing a power cable, and more specifically, a previously installed power cable can be continuously pulled and removed, and the same equipment is used to establish underground lines as well as overhead lines. It relates to an integrated power cable laying device capable of continuous demolition and new construction of a power cable that can not only operate the device as a person, but also significantly shorten the working time.

In general, underground lines are installed in areas where it is impossible to maintain aesthetic lines due to the advancement of the city and natural disasters, or where it is difficult to maintain overhead lines.

In this underground line, a manhole is provided at both ends of a certain distance to install and connect a power cable by laying a power cable after laying the pipeline in the ground.

On the other hand, the replacement of the power cable is carried out to prevent natural deterioration due to aging, and to replace it with higher standards according to the increase in load.

In the current power cable replacement work, the traction wire is bound to the previously installed power cable, and this is pulled with a crane to draw the power cable from the underground pipeline to the ground.

The power cable that is drawn out is cut to a certain length by hand and finished by loading the collected vehicle.

However, the current cable replacement work causes the power cable to be pulled out as much as the length of the crane's boom, causing unauthorized road occupancy and uncomfortable traffic by the withdrawal cable, and after cutting the power cable, bind the traction wire to the power cable again and pull it with the crane. The drawbacks such as withdrawal of power cable and binding of the traction wire are repeatedly performed, resulting in a long working time and a lot of work.

On the other hand, as a background technology of the present invention, there is a'cable multi-pulling device', registered patent publication No. 10-1471017 (registered on December 3, 2014).

In order to solve the inconvenience of the current power cable replacement work, the present invention can continuously pull and remove previously installed power cables and operate the device with a small number of people by establishing underground lines as well as overhead lines with the same equipment. In addition to this, it is intended to provide an all-in-one power cable laying device capable of continually dismantling and newly establishing a power cable that can significantly shorten the working time.

The present invention to solve the above problems, the base frame portion; A pair of seesaw plates that are installed to swing back and forth at the front end of the base frame, and the grip blades that are installed at the front end and the rear end between the seesaw plates and have grip blades in the seating grooves so that they can be bitten by the power cable are radially arranged. The power cable is connected to the power roller by simultaneously driving the pressure roller and the pressure grip roller and the grip roller and the pressure grip roller, which are installed so as to be able to elevate between the roller and the grip roller so that the power cable seated on the grip roller can be pushed and bitten. A grip unit made of a power transmission member for pulling and swinging the seesaw back and forth according to the tension applied when pulling the power cable to relieve shock; And a guide tray portion for guiding the power cable drawn out by the grip portion to the rear side of the base frame portion.

It is preferable that one or more grip parts are installed according to the pulling tension of the power cable.

At the rear end of the guide tray portion, the outer frame for foldable with the base frame portion and guides the power cable pulled out by the grip portion to the outside in the unfolded state, and is slidably installed along the outer tray and drawn into the cutter blade. A cable cutter for cutting the power cable, a roller installed on the bottom of the outer tray to support the power cable, and rotating according to the withdrawal of the power cable, a rotation speed detection sensor for detecting the number of revolutions of the roller, and a cable cutter The transfer means for moving along the power cable to be moved and returning it to the original position upon completion of cutting, and comparing the number of revolutions detected by the speed detection sensor with a preset number of revolutions to control on/off the operation of the cable cutter to reduce the cutting length of the power cable. A controller for adjusting is provided.

The rear of the base frame portion is further provided with a cable laying portion for binding and winding the tow line to the new power cable.

The cable laying part is further provided with a winch for increasing the traction tension by hanging a traction line at its front end.

It is preferable that the cable laying part is provided with a drum for winding a towing line for laying an underground line and a winding line for laying an overhead line.

In addition, the base frame portion is rotatably installed on a fixed frame portion located at the bottom thereof, and rotation means for rotating the base frame portion is further provided to align the grip portion with the manhole.

According to the present invention, since the pre-installed power cable is continuously pulled and the withdrawn power cable is continuously cut, the power cable can be quickly removed, thereby eliminating road unauthorized occupancy and traffic inconvenience. It works.

In addition, according to the present invention, since the installation part for laying the underground line and the overhead line is integrally provided, the power cable can be demolished and newly installed with a small number of people. There is an effect that can be shortened.

1 and 2 are perspective views of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
Figure 3 is a side view of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
4 and 5 is a perspective view of a grip portion of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
6 is a front view of a grip portion of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
7 is a state diagram of the grip portion of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
8 is a detailed view of the grip roller of the integrated power cable laying device capable of continuous demolition and construction of the power cable according to the present invention.
9 is a perspective view showing a state in which the cable cutting unit of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention is folded.
10 is a perspective view of a cable cutting unit of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
11 is an exploded view of a cable cutting part of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
12 is a view showing the operation process of the cable cutting part of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
13 and 14 are partial perspective views of a cable laying part of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.
15 is a perspective view showing an alignment process of an all-in-one power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

1 and 2 are perspective views of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

Figure 3 is a side view of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

4 and 5 is a perspective view of a grip portion of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

6 is a front view of a grip portion of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

7 is a state diagram of the grip portion of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

8 is a detailed view of the grip roller of the integrated power cable laying device capable of continuous demolition and construction of the power cable according to the present invention.

First, the present invention is implemented so that it can be mounted and operated on a work vehicle, the configuration of which is a base frame unit 100; A pair of seesaw plates 210 installed to be swingable back and forth at the front end of the base frame part 100 and the front and rear ends respectively installed between the seesaw plates 210 are installed in the seating grooves 221 so that the power cables can be seated and engaged. It is possible to move up and down between the grip roller 220 in which the grip blade 225 having the grip blade 222 is radially disposed, and the grip roller 220 so that the power cable seated on the grip roller 220 can be pressed and bitten. It is made of a power transmission member 240 for pulling the power cable by simultaneously driving the pressure grip roller 230 and the grip roller 220 and the pressure grip roller 230, which are installed and the grip blades 225 are radially arranged. Grip portion 200; It includes a guide tray portion 300 for guiding the power cable drawn by the grip portion 200 to the rear side of the base frame portion 100.

In the above technical configuration, the base frame part 100 is formed in a plate shape as a part in which a main configuration is installed.

The grip unit 200 is configured to pull and pull the power cable to be removed between the grip roller 220 and the pressurized grip roller 230, and the pressurized grip roller installed to be elevated between the grip roller 220 ( 230) is descended to be able to bite the power cable seated on the grip roller 220. That is, as the pressure grip roller 230 is elevated, the power cable may be bitten or the bite state may be released by adjusting the gap between the grip roller 220 and the pressure grip roller 230.

To this end, the grip unit 200 is provided with a pair of seesaw plates 210 through the shaft 211 so as to swing back and forth at the front end of the base frame portion 100, and grips at the front end and the rear end between the seesaw plate 210. The roller 220 is installed.

In addition, the upper end of the grip roller 220, the rear end is axially coupled, and the pressing grip roller 230 is installed at the tip of the pressing frame 236 that rotates downward according to the extension of the rod of the cylinder 235.

In addition, a power transmission member 240 is provided to transmit power at the same rotational ratio to the axis of the grip roller 220 and the axis of the pressurized grip roller 230. In an embodiment of the present invention, the axis between the grip roller 220 is It is shown as a configuration in which the gear coupling 241 and the chain 242 and 243 are applied to the gear coupling 241 and the pressure grip roller 230 axis from the power shaft 50 to simultaneously transmit power, but is not limited to these configurations. .

The grip roller 220 has a cylindrical shape and a plurality of grip blades 222 are radially disposed, and the grip blades 225 are formed with recessed recesses 221 to concave the outer circumferential surface of the power cable. A grip blade 222 is formed in 221 to prevent slippage when the power cable is bitten.

Of course, the pressurized grip roller 230 also includes the configuration of a grip blade, a seating groove, and a grip blade, such as the grip roller 220.

Accordingly, the grip blade 222 breaks a portion of the power cable while the power cable is bitten between the grip roller 220 and the pressurized grip roller 230 to prevent slippage when pulling the power cable.

In addition, the grip roller 220 is provided with a plate 226 for every predetermined width, in the case of a three-phase line, the line is divided by the plate 226, and a power cable is seated for each grip blade 225 between the plates 226. A seating groove 221 and a grip blade 222 are provided for doing so.

Therefore, the power cable of the three-phase line can be pulled at the same time by the grip portion 200.

Of course, as the grip blade 225 is integrally constrained by the plate 226, it also has a very robust structure mechanically.

On the other hand, the grip portion 200 of the present invention has a seesaw structure to be able to swing back and forth, and the center of the seesaw plate 210 is fixed by the shaft 211 to move back and forth.

Therefore, depending on the distance from the manhole, the grip part 200 can be inclined to maintain the horizontal state as much as possible with the power cable. 210) is able to swing back and forth to alleviate the impact transmitted to the device.

The guide tray part 300 is configured to guide the power cable drawn out by the grip part 200 to the rear side of the base frame part 100 and provides a conduit so that the power cable can be drawn out without leaving the outside.

Next, one or more of the grip units 200 may be installed according to the pulling tension of the power cable.

That is, when the length of the power cable laid on the pipeline is long or there are many bending sections, one or more may be installed to increase the pulling tension for pulling the power cable.

To this end, in the present invention, the grip unit 200 is provided in one package form to facilitate the extension of the pulling tension.

9 is a perspective view showing a state in which the cable cutting unit of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention is folded.

10 is a perspective view of a cable cutting unit of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

11 is an exploded view of a cable cutting part of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

12 is a view showing the operation process of the cable cutting part of the integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

In the present invention, a cable cutting unit 400 is provided at the rear end of the guide tray 300 to continuously cut the power cable drawn out to a set length.

The cable cutting part 400 is foldable to the base frame part and is slidable along the outer tray 410 and the outer tray 410 for guiding the power cable pulled out by the grip part 200 to the outside in a state of being extended outward. The cable cutter 420 for cutting the power cable that is installed and inserted into the cutter blade 421, and the roller 430 that is installed on the bottom of the outer tray 410 to support the power cable but rotates according to the withdrawal of the power cable. ), a rotation speed detection sensor 440 for detecting the number of revolutions of the roller 430, and a transfer means 450 for moving the cable cutter 420 along the power cable being drawn and returning it to its original position upon completion of cutting, and A controller 460 is provided to control the cutting length of the power cable by controlling the on/off operation of the cable cutter 420 by comparing the number of revolutions detected by the number of revolution detection sensors 440 with a preset number of revolutions.

In the above-described technical configuration, the cable cutting part 400 is provided with a hinge part 411 at the rear end of the outer tray 410 so as to be folded into the base frame part 100 when not in use, and outside the hinge part 411. A locking member 412 such as a clasp is provided to maintain the unfolded state.

Therefore, the outer tray 410 can be folded in a state of being in close contact with the side of the base frame part 100, so that the device can be compactly configured when moving, and when the power cable is removed, it can be unfolded to perform the demolition work.

The outer tray 410 is provided with a cutting means and a conveying means 450 to prevent the power cable from being pulled out and to continuously cut the power cable.

In addition, a stand 470 supported by a spring is provided at the outlet side to prevent the power cable from being struck before cutting is completed.

That is, the outer tray 410 has a sliding hole 413 in which the cable cutter 420 is mounted so that the cable cutter 420 is slidable is formed in the longitudinal direction, and the lower end of the cable cutter 420 (from one side to the other side). The traverse cam 414, which is formed so that the first cam groove and the second cam groove of the spiral shape intersect each other, are combined, and the cable cutter 420 reciprocates by rotation of the motor 415 coupled to the traverse cam 414. Is done.

In addition, the cable cutter 420 is provided with a cutter housing 422 to detach and attach a hydraulically operated cutter 421 so that only the corresponding cutter can be replaced when the cutter blade is damaged.

Of course, the cutter 421 is provided with the upper and lower blades in an open state, and the upper blade descends by hydraulic pressure to cross the lower blade to cut the power cable. Since this is a known technical configuration, detailed description is omitted.

The roller 430 is installed on the bottom of the outer tray 410 to support the power cable, but rotates according to the withdrawal of the power cable, and the rotation speed detection sensor 440 causes one pulse to be generated every time the roller shaft rotates once. By counting this, it is possible to detect the number of revolutions of the roller 430, which is preferably implemented with an encoder or the like.

The controller 460 may control the cutting length of the power cable by controlling the on/off operation of the cable cutter 420 by comparing the number of revolutions detected from the number of revolution detection sensors 440 with a preset number of revolutions.

To this end, the controller 460 is provided with a display unit to check input means and input values so that the user can input the number of revolutions.

For example, when the rotation speed input value is 50, the controller 460 operates the cable cutter 420 and the moving means 450 at the same time when the rotation speed detected by the rotation speed detection sensor 440 reaches 50. The cutting is performed while moving along the outer tray 410, and at this time, the cable cutter 420 is moved by the moving means 450 at the same speed as the power cable withdrawal speed.

Subsequently, when the power cable cutting is completed, the cable cutter 420 is returned to the original position by the transfer means 450 and is placed in a standby state until a preset number of revolutions is detected from the rotation speed detection sensor 440.

Therefore, the cutting length of the power cable can be adjusted according to the rotational speed setting value input to the controller 460, and the cutting part is performed while the cable cutter 420 moves like the power cable so that the grip part 200 is also cut when cutting the power cable. The pulling operation is performed continuously.

13 and 14 are partial perspective views of a cable laying part of an integrated power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

In the present invention, a cable laying part 500 for binding and winding the tow line to the new power cable is installed at the rear of the base frame part 100.

In addition, the cable laying unit 500 is provided with drums 510 and 520, respectively, to which the tow lines for laying the underground line and the tow lines for laying the overhead line are wound.

In the above technical configuration, the cable laying section 500 includes a drum 510 for laying an underground line with a tow line for laying an underground line and a drum 520 for laying an overhead line with a tow line for laying an overhead line. It is provided to be driven respectively.

To this end, a power source 530 made of an engine, a motor, and the like, and a power transmission unit 540 for transmitting power from the power source 530 to the drums 510 and 520 are provided.

The power transmission unit 540 is provided with a power transmission shaft 541 coupled with a power source 530 and a gear or chain, and the power transmission shaft 541 has a clutch 542 for breaking or connecting power to the drums 510 and 520. Is prepared.

For example, the power transmission shaft of the rear end of the clutch 542 and the drum 520 are geared, so that the power of the drum can be cut off by the clutch 542.

In the above-described technical configuration, it is possible to reduce power loss by forming the gear 521 on the outer circumferential surface of the drum 520 and transmitting power through gear coupling with the power transmission shaft 541.

In addition, the above-described grip unit 200 and the cable laying unit 500 are formed integrally, so that the power cable removal and the power cable new construction work can be performed with one device.

In addition, in front of the drums 510 and 520, a tow line alignment device 550 is provided so that the tow line wound around the drum is evenly wound.

The configuration of the traction line alignment device 550 is good from the configuration of the traverse cam for sliding the support roller 552 for supporting the traction line to the horizontal bar 551 slidably, and to move the support roller 552 to the left and right. Can be implemented.

Of course, in the present invention, since the cable laying section 500 is provided with a drum 510 for laying the underground line and a drum 520 for laying the overhead line, the configuration is described based on one drum, but the drums 510 and 520 It will be understood that it is applied in common.

Next, referring to the attached Figure 2, the cable laying unit 500 may further be provided with a winch 600 for increasing the traction tension by hanging a traction line at its front end.

To this end, a winch power source 610 made of an engine, a motor, etc. and a winch power transmission unit 620 for transmitting power from the winch power source 610 to the winch 600 side are provided.

The winch power transmission unit 620 is provided with a winch power transmission shaft 621 coupled with a winch power source 610 and a gear or chain, and the winch power transmission shaft 621 is configured to cut or connect power to the winch 600 side. The winch clutch 630 is provided.

For example, the winch clutch 630, the rear end winch power transmission shaft 621 and the winch 600 are geared is coupled to the power of the winch by the winch clutch 630 can be said to be.

In the above technical configuration, it is possible to reduce power loss by forming a gear on the outer circumferential surface of the winch 600 and transmitting power through gear coupling with the winch power transmission shaft 621.

In addition, if the distance between the manhole and the manhole is long or an overload is expected during the installation work, as the aforementioned cable laying section 500 and the winch 600 are integrally provided, even if the pulling tension by the cable laying section 500 is insufficient It is possible to increase the traction tension by winding the tow line around the winch 600 and using both power sources 530 and 610.

On the other hand, in the embodiment of the present invention, the power shaft 50 of the grip unit 200 is shown a structure in which power is transmitted through chain coupling with the winch power transmission shaft 621 of the winch power source, but the power source 530 of the cable laying part is used. Alternatively, an independent power source may be used.

15 is a perspective view showing an alignment process of an all-in-one power cable laying device capable of continuous demolition and construction of a power cable according to the present invention.

In the present invention, the base frame portion 100 is rotatably installed on the fixed frame portion 10 located at the bottom thereof, the base frame portion 100 to align the grip portion 200 in the manhole 20 ) Is provided with a rotating means 700 for rotating.

According to the above-described technical configuration, if the work vehicle is not able to stop in line with the manhole 20 due to heavy traffic or a narrow work site, the base frame part 100 is provided through the rotating means 700 within a predetermined range. It is possible to rotate and align with the manhole 20.

Therefore, it is possible to sufficiently exert the installation side pressure of the device, and it is possible to easily align the device to the manhole without excessively manipulating the work vehicle.

Here, the rotating means 700 is provided with a worm wheel in the base frame portion 100, and a worm is provided in the fixed frame portion 10 so that the base frame portion 100 can be rotated left and right through the worm gear.

Of course, a restraining means for restraining the fixed frame 10 after rotating the base frame part 100 may be further provided.

The following describes the power cable demolition work with reference to the above-described technical configuration.

First, the power cable inside the manhole 20 to be dismantled is removed from the manhole 20 by pulling the tow line wound around the cable laying part 500 and pulling the power cable out of the manhole 20. At this time, a conventional cradle or roller may be used to prevent the tow line from contacting the manhole or touching the ground.

In the present invention, a guide roller 250 is installed in front of the grip portion 200 to assist in entering a power cable.

That is, the guide roller 250 is composed of a support roller for supporting the power cable withdrawn from the manhole, and a vertical roller for preventing separation of the power cable to both sides of the support roller.

Subsequently, when the power cable drawn out from the manhole 20 is bitten by the grip part 200, the power cable is continuously pulled by driving of the grip part 200 so that the cable cutting part is provided on the outer tray 410 through the guide tray part 300. It is guided to 400.

At this time, the cable cutter 420 of the cable cutting unit 400 cuts the power cable while moving along the power cable, and when the cutting is completed, the cutting cable is returned to the original position to repeat the cutting operation to automatically pull the continuously pulled power cable without delay. It is cut so that it is possible to dramatically shorten the working time due to the removal of the power cable.

Thereafter, by removing the power cable cut to a certain length on the collection vehicle, it is possible to perform the power cable demolition work even with a small number of people.

Next, when the removal of the power cable is completed, the tow line wound on the drum of the cable laying part 500 is bound to the rope that is bound to the end of the power cable, and when the rope is pulled from the power cable inlet side, the tow line is released to the inlet side.

On the inlet side, the tow line is bound to the new power cable to be installed, and on the outgoing side, when the tow line is wound and pulled through the cable laying part 500, the power cable is installed.

Of course, when laying the overhead line, the laying operation is performed through the drum 520 for laying the overhead line.

According to the above technical configuration, in addition to the power cable demolition operation as described above using one equipment, it is also possible to perform all operations of laying underground lines or laying overhead lines.

The above description is an example for helping the understanding of the present invention, and the present invention is not limited, and those skilled in the art to which the present invention pertains can variously implement within the scope of the claims. There will be.

10: fixed frame
20: Manhole
50: power shaft
100: base frame
200: grip
210: seesaw
211: (seesaw version) axis
220: grip roller
221: seating groove
222: grip blade
225: grip wings
226: plate
230: pressurized grip roller
235: cylinder
236: pressurized frame
240: power transmission member
241: gear engagement
242,243: Chain
300: guide tray
400: cable cutting
410: outer tray
411: hinge
412: locking member
413: sliding hole
414: traverse cam
415: motor
420: cable cutter
421: cutter blade
422: cutter housing
430: roller
440: rotation speed detection sensor
450: conveying means
460: controller
470: stand
500: cable laying section
510: Underground line laying drum
520: drum for laying overhead lines
530: power source
540: power transmission unit
541: power transmission shaft
542: clutch
550: tow line alignment device
551: horizontal bar
552: support roller
600: winch
610: winch power source
620: winch power transmission unit
621: winch power transmission shaft
630: winch clutch
700: rotating means

Claims (7)

Base frame portion;
A pair of seesaw plates swingably installed at the front end of the base frame and a front end and a rear end between the seesaw plates are installed at the front end and rear end, but the grip blades are formed radially in the seating grooves so that they can be seated by the power cable. A grip roller, a pressurized grip roller that is movably installed between the grip roller so as to be able to be pushed to bite the power cable seated on the grip roller, and the grip blade is radially disposed, and the grip roller and the pressurized grip roller A grip unit configured to include a power transmission member for simultaneously driving the power cable to pull the power cable, so that the seesaw plate swings back and forth according to the tension applied when pulling the power cable to relieve shock;
The power cable drawn out by the grip portion, characterized in that it comprises a guide tray portion for guiding the power cable to the rear side of the base frame portion. According to claim 1,
The grip portion is installed in accordance with the pulling tension of the power cable, characterized in that at least one power cable installation device capable of continuous demolition and new power cable. According to claim 1,
At the rear end of the guide tray part, an outer tray that can be folded into the base frame part and is extended outward to guide the power cable drawn out by the grip part to the outside,
A cable cutter for slidably installed along the outer tray and cutting the power cable that is drawn into the cutter blade;
A roller installed on the bottom of the outer tray to support the power cable, and rotating according to the withdrawal of the power cable,
A rotation speed detection sensor for detecting the rotation speed of the roller,
Transfer means for moving the cable cutter along the power cable to be pulled out and returning it to its original position upon completion of cutting,
Continuous demolition of the power cable, characterized in that a controller is provided to control the cutting length of the power cable by controlling the on/off operation of the cable cutter by comparing the rotation speed detected by the rotation speed detection sensor with a preset rotation speed. And a new integrated power cable laying device. According to claim 1,
An integrated power cable laying device capable of continuous demolition of a power cable and a new cable, which is installed at the rear of the base frame part and further includes a cable laying part for binding and winding the towing line to the new power cable. The method of claim 4,
The cable laying unit is an integrated power cable laying device capable of continuous demolition and construction of a power cable, further comprising a winch for increasing traction tension by hanging the towing line at its front end. The method of claim 4,
The cable laying unit is an integrated power cable laying device capable of continuous demolition and new power cable, characterized in that the towing line for laying the underground line and the drum for winding the towing line for laying the overhead line are each provided. According to claim 1,
The base frame portion is rotatably installed on a fixed frame portion located at the bottom thereof, and the continuous removal of the power cable, characterized in that further comprising a rotating means for rotating the base frame portion to align the grip portion in the manhole and An all-in-one power cable laying device that can be newly built.

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