WO2013180527A1

WO2013180527A1 - System for removing rust and coating from inside of pipe line using principle of induction

Info

Publication number: WO2013180527A1
Application number: PCT/KR2013/004834
Authority: WO
Inventors: 김진원; 박상봉; 이경섭; 이영건
Original assignee: 수자원기술주식회사
Priority date: 2012-05-31
Filing date: 2013-05-31
Publication date: 2013-12-05
Also published as: KR101197112B1

Abstract

A system for removing rust and coating from the inside of a pipe line using the principle of induction of the present invention comprises: a moving means capable of vertically and horizontally moving a track portion and a vehicle body provided on the upper part of the track portion; an upper support wheel which is provided on the upper part of the moving means, and which prevents a bogie from turning over by coming in contact with an upper surface of a pipe line; a rotary body which rotates by a motor provided in the vehicle body; and an induction coil which is coupled to the rotary body and rotates in connection therewith; and a coating removing end portion.

Description

Pipe rust and coating removal system using induction principle

The present invention relates to a large pipeline internal coating layer removal system, such as water and sewage pipelines. In general, the inside of a large pipe used for water and sewage is coated with epoxy resin, coal tar enamel resin or liquid epoxy resin, and as time passes, the coating layer is damaged due to corrosion of the pipe, poor coating of the coating layer, and spasm degradation. In order to remove such a damaged coating layer in the water supply and sewage pipe, the high pressure water is sprayed by a waterjet method to remove the damaged coating layer or by applying an impact to the damaged coating layer using a rotary scraper to remove the damaged coating layer.

The apparatus for removing a damaged coating layer of a conventional large water and sewage pipeline related to the present invention is disclosed in Korean Patent Registration No. 10-0993910, and a bogie moving in the pipeline is disclosed in Korean Patent Registration No. 10-0770976. 1 is a block diagram of a coating layer removal apparatus using a conventional rotating mechanism. 1, the coating layer removing apparatus using the conventional rotating mechanism is used to remove the coating layer (C) of the inner surface of the large steel pipe, it is preferably configured in the bogie 10 for moving the inside of the steel pipe, 10 is provided with wheels 14 to move in the steel pipe in the lower portion of the body frame 12, the driver's seat and the driving operation mechanism is configured on the upper portion of the frame 12. At the rear of the driver's seat, a control box for supporting the steel pipe coating layer (C) removal device or a cabinet 19 capable of mounting various equipments is provided, and the steel pipe coating layer (C) removal device is provided in front of the cart 10. The main component is located, it is provided with a rotary support 20 arranged in the radial direction long from the center of the steel pipe at an angle of 180 degrees, so that the rotary support 20 can be rotated in the center of the rotary support 20 The rotary motor 22 and the drive gears 24 are installed. At the ends of the two rotary support 20 is provided with a head portion 30 in contact with the inner surface of the steel pipe to peel off the coating layer (C), including both rotary support 20, the rotary motor 22, drive gears The trolley | bogie 10 provided with 24 etc. comprises the support mechanism which supports the head part 30 in a steel pipe. The rotary support 20 is configured to be capable of stretching and contracting, the cylinder to enable the expansion and contraction is air using pneumatic pressure to provide some elasticity when removing the coating layer (C) in the head portion 30 It consists of the cylinder 26. In addition, the rotary support 20 has a surface treatment unit 28 is configured to clean the inner surface of the steel pipe from which the coating layer (C) has been removed by the head portion 30 in parallel with the head portion 30 is configured to the head The part 30 rotates and the hammer at the end of the head part removes the coating by hitting the inner surface of the pipe.

The conventional paint removal apparatus on the inner surface of the pipe line has a problem in that the structure is complicated and a lot of failure points are caused by the mechanical driving method. In addition, there is a problem that causes vibration and noise due to the rotation method. In addition, the hitting method using the conventional rotating mechanism as described above has a problem that the strength of the hitting and hitting point is uneven, so that the paint removal is not perfect. An object of the present invention for solving the problems of the pipe inner surface paint removal device using the conventional rotating mechanism as described above is to provide a paint removal system with a simplified structure using an electrical method of painting the inner surface of the pipe. In addition, another object of the present invention is to provide an evenly clean overall coating of the inner surface of the pipeline. In addition, when the trolley passes through the inner surface of the pipeline, it is to prevent overturning of the trolley and to stably run, thereby removing the coating on the inner surface of the pipeline.

As described above, the pipeline internal rust and coating removal system using the induction principle of the present invention for solving the problems of the prior art, the moving means for moving the vehicle body installed on the track portion and the upper portion of the track portion up and down and left and right, and the moving means An upper induction wheel installed at an upper portion of the upper support wheel to prevent overturning of the trolley by contacting an upper surface of the conduit, a rotating main body rotated by a motor installed in the vehicle main body, and an induction which rotates in conjunction with the rotating main body Composed of the coil portion, the coating removal end, smoke removal means, the coating portion cutting means and the like is characterized in that by induction coil to apply heat to the coating portion of the inner surface of the pipe to remove the defective coating by the chisel removal chisel.

The rust and coating removal system inside the pipeline using the induction principle of the present invention configured as described above is simple in structure by using a heating method using an induction coil, it is effective to evenly remove the coating evenly. In addition, the rust inside the pipeline using the induction principle of the present invention, the coating removal system has the effect of preventing the overturning of the truck to run the pipeline using the truck to remove the coating.

1 is a block diagram of the coating removal device of the inner surface of the pipeline using a conventional rotating mechanism,

2 is a perspective view of a bogie applied to the present invention,

3 is a cross-sectional view of a rotating main body applied to the present invention;

4 is a front view showing a track portion of the bogie;

5A, 5B, and 5C are bottom views illustrating a steering device of a track part;

Figure 6 is a side view showing the position adjusting means of the balance body applied to the present invention,

7 is a cross-sectional view showing the position adjusting means of the balance main body applied to the present invention;

8 is a side configuration diagram of the induction coil cleaning system of the present invention seated in a large pipeline;

9 is a detailed configuration diagram of the induction coil head and the paint removal end applied to the present invention;

10 is a configuration diagram of the upper support wheel applied to the present invention,

Figure 11 is a configuration diagram folded state the upper support wheel applied to the present invention,

Figure 12 is a configuration of the upper support wheel unfolded state applied to the present invention,

13 is a perspective view of the paint removal chisel;

14 is a perspective view of an induction coil unit

15 is a configuration diagram of a controller applied to the present invention.

The rust and coating removal system inside the pipeline using the induction principle of the present invention having the above object will be described with reference to FIGS. 2 to 15.

Figure 2 is a perspective view of the bogie applied to the present invention. In Figure 2, the bogie applied to the present invention is applied to the inside of the water pipe required for rehabilitation, and the scale adhered to the inner wall of the pipe by using heat generated from the induction coil by the power source, and foreign matters on the inner surface of the pipe. It is to perform the operation of removing the back, and focusing and observing a specific part of the pipeline along with a plurality of surveillance cameras with lights to monitor the internal state of the pipeline from the outside to the front and rear side of the vehicle body 101. Observation camera having a normal zoom function and the shooting direction switching function is installed to a specific portion of the vehicle body cover 800 so as to facilitate the work. In addition, it is configured to control the driving of the vehicle body 101 by the track unit 102 and the driving of the paint removing means 500 mounted on the vehicle body 101 by an external remote control. . In addition, the large pipeline induction coil cleaning system of the present invention is configured to allow the vehicle body 101 to be driven by both raceways 102, and the vehicle body 101 is an induction nose toward the inner wall of the pipeline 900. A paint removing means 500 including a portion 511 and a paint removing chisel 513 is mounted, and the paint removing means 500 is lifted up and down by the elevating driving part 106 and the position adjusting means 107. It is configured to move in conjunction with the vehicle body capable of position movement, left and right rotation and linear movement. In addition, the coating removal means 500 is configured to remove the poor coating portion by using the coating removal chisel while applying heat to the poor coating portion of the inner surface of the pipe while rotating. In addition, the lifting drive unit 106 is composed of a spiral shaft 161, a pair of nuts 162, 162a, a pair of

link portions

163, 163a, a spiral shaft drive unit 164, the spiral The shaft 161 is formed of

spiral parts

161a and 161b in opposite directions to which the nuts 162 and 162a are helically coupled, and in a horizontal direction perpendicular to the rotating body 104. It is provided in the upper part of the vehicle main body 101, and is provided in a pair of front and rear sides. In addition, one side end of the pair of

link portions

163 and 163a is rotatably fixed to the nuts 162 and 162a, and the other end is rotatably fixed to the minute rotating body 104. In addition, the helical shaft drive unit 164 is provided with a driven pulley 642 in the middle portion of the helical shaft 161, that is, the portion where the

spiral portions

161a and 161b in opposite directions form a boundary and drive motor M1. ) Is installed so that the rotational drive of the spiral shaft 161 by belt transmission by installing an electric pulley (643) connected to the driven pulley (642) and the electric belt (644). The lifting drive unit 106 configured as described above, when the power of the driving motor M1 is transmitted to the driven pulley 642 through the electric belt 644, the spiral shaft 161 rotates in one direction, and by this rotation The nut parts 162 and 162a spirally coupled to the spiral shaft 161 in opposite directions to each other are linearly moved in opposite directions so that both ends are connected to the nuts 162 and 162a and the rotating body 104, respectively. 163 and 163a may move the rotating body 104 up and down. In addition, the trolley may be further provided with a pump 114 for removing the foreign matter such as the removed paint with a waterjet.

3 is a cross-sectional view showing a configuration cross-sectional view of a rotating body applied to the present invention. The rotating body 104 is for rotating the paint removing means 500, the driven pulley 145 formed on one side of the rotating body 104, the driven pulley 145 and a drive motor installed on one side of the bogie A driving belt 146 is connected to the driving pulley 144 of the M2, and the rotating shaft 142 is formed integrally with the driven pulley 145 and rotates inside the rotating body 104, and the Removing the support 510 and the poor coating of the housing 143 is fastened to the rotating shaft 142 and the bearing (B) and the coating removing means 500 fastened by the support 510 to the rotating shaft 142. The air inhaler 149 for sucking and discharging the smoke generated by the induction coil unit 511 for removing the smoke generated at the time is shown. The power supply line of the power supply to the induction coil 546 of the paint removing means 500 is the rotary shaft 142 of the rotating body and the paint removing means 500 using the power supply line of the driving motor M2. It is possible to supply power to the induction coil 546 through the inside of the Y-shaped support 510). In addition, the rotation shaft 142 is rotatably supported in the interior of the housing 143 by a bearing (B), the rotation shaft 142 for the rotation of the Y-shaped support 510 of the paint removal means 500 Is configured to include a driven pulley 145 connected to the drive pulley 144 and the drive belt 146 of the drive motor (M2) on the outside. The present invention configured as described above is heated to the defective coating site by the heat generated by supplying power to the induction coil unit 511 installed at the end of the paint removing means 500 and the paint removing chisel configured at the other end of the paint removing means 500 The Y-shaped support 510 which rotates the paint removing means 500 by removing the defective coating portion by using the 513 is rotated by the rotation shaft 142 receiving power from the driving motor M2 by the electric belt. It rotates together and heats and removes to the unpainted site | part of the inside of a pipeline.

Figure 4 is a front view showing a track portion applied to the present invention. In FIG. 4, the track part 102 applied to the present invention is capable of adjusting the tilting and driving directions by the track steering part 103, and the track steering part 103 has a plurality of hinge joints 131. It is composed of a hydraulic cylinder (132). The hinge joint 131 is formed by coupling the body support piece 311 protruding from the vehicle body 101 and the track support piece 312 protruding from the track portion 102 to the pin 314, and the hydraulic cylinder ( The cylinder body 132a of 132 is rotatably fixed to the vehicle body 101 and the cylinder rod 132b is rotatably coupled to the track support piece 312 of the track portion 102. Accordingly, the raceway 102 is driven to rotate in the lateral direction of the vehicle body 101 by the operation of the hydraulic cylinder 132 around the hinge joint 131 along the shape of the section pipeline 900, that is, tilting ( tilting).

5A, 5B and 5C are bottom views showing the steering device of the track portion. 5A, 5B, and 5C, the steering apparatus of the track unit of the present invention may adjust the direction of the track unit 102 by the operation of the hydraulic cylinder 132, and the cylinder rod of the rear hydraulic cylinder 132 may be adjusted. If the protruding length of 132b is larger than the rod protruding length of the front side hydraulic cylinder 132, the front width of both track portions can be narrowed to advance, and the rod protruding length of the front side hydraulic cylinder 132 is rearward side hydraulic. If it is larger than the rod protrusion length of the cylinder 132, the rear width of both tracks can be narrowed and the vehicle can travel when reversing. If the width is narrowed in the traveling direction, the center of the vehicle body 101 is held. Thus, the vehicle body can be prevented from overturning. On the other hand, the track 102 can change the tilting and forward and backward direction of the vehicle body in the hinge joint 131 and the connection portion of the hydraulic cylinder 132 to the track in Figure 5c As shown, the spherical contact bearing 315 is provided.

Figure 6 is a side view showing the position adjusting means of the balance body applied to the present invention, Figure 7 is a cross-sectional view showing the position adjusting means of the balance body. 6 and 7, the rotary body 104 applied to the present invention is capable of linearly moving in a lateral direction and rotating at a predetermined angle left and right by the position adjusting means 107. In order to configure the position adjusting means 107, the present invention is provided with a base plate 171 for supporting the lower portion of the elevating drive unit 106, the support plate 172 is provided below the base plate 171. . In addition, a main shaft 171a is formed at the center lower portion of the base plate 171, and the main shaft 171a is provided at the central portion of the support plate 172 and is supported by the rotary support 173 including a bearing. 172 is rotatably supported. In addition, an arcuate external gear 741 is integrally formed on the support plate 172 on the outer side of the rotary support 173, and a drive gear 742 meshed with the external gear 741 on the base plate 171. The drive motor (M3) having a through is installed in the vertical direction through the base plate 171 to constitute the rotation driving unit 174. In addition, the rotating body 104 including the base plate 171, the support plate 172, and the lifting driving unit 106 is lateral in the linear direction by the linear moving unit 175 provided below the support plate 172. As the position can be adjusted, for this purpose, the lower portion of the support plate 172 is supported by the lateral rail 751, the feed shaft 752 is formed with a spiral between the rail 751. In addition, a lower portion of the support plate 172 is formed integrally with the transfer nut 753 is coupled to the feed shaft 752, the feed shaft 752 is connected to the drive motor M3 is connected to the drive motor (M3) By the rotation of the feed shaft (752) by the support plate 172 coupled to the feed shaft (752) to the feed nut (753) is to be able to convey in the lateral direction. Therefore, the rotation main body 104 is the drive gear 742 of the drive motor M3 installed in the vertical direction on the base plate 171 of the support plate 172 while being able to move in the lateral position by the linear movement unit 175. By rotating forward and backward), rotation of the left and right predetermined angles becomes possible.

8 is a side view of a pipeline internal rust and coating removal system using the present invention induction principle seated in a large pipeline. In FIG. 8, the rust and coating removal system in the pipeline using the induction principle of the present invention includes a track portion 102 supporting both sides of the lower portion of the pipeline 900, elevating means and position adjusting means and rotation formed on the track portion. A vehicle body 104 including a means, a body carver 800 surrounding the vehicle body, and a front side 810 of the body carber 800 extending to one side and fastened to a rotation shaft 142 of the rotation body 104. It shows what comprised including the painting removal means 500. FIG.

FIG. 9 is a paint removing means 513 configured to be rotatable on the rotation shaft 142 and forming a Y-shape with an induction coil part 511 and the induction coil part 511 on the one side. ). The induction coil unit 511 may be rotatably fastened by a first rod 521 fixedly installed at one side of the Y-shaped support and a first hinge part 525 installed at one end of the Y-shaped support ( 523, a second hinge portion 527 to fasten the first rod 521 to the second rod 523, and an induction stripping head 529 fastened to the end of the second rod 523. ) And a dust collecting housing 556 for collecting and discharging smoke generated when the coating layer is heated by the heat generated by the induction coil unit 511. In addition, the paint removal chisel 513 is fastened so that the third rod 531 fixed to the other side of the Y-shaped support and the end for removing the paint 549 that is fastened to the other end 532 rotates. The third hinge portion 533 and the third rod 531 and the fourth hinge portion 553 are fastened so as to rotate the paint removal chisel 549. In addition, a vibration vibrator 548 may be additionally attached to one side of the paint removal chisel 549 and the vibration vibrator 548 may vibrate the paint removal end 549 to facilitate poor coating of a pipe. It can be removed. The first rod 521 has a spring 551 and a rod surface 552 that is moved by the spring, so that the elastic force of the second rod 523 and the induction stripping head 529 is caused by the spring 551. To act). In addition, the third rod 531 also has a spring 551 and the rod surface 552, the elastic force of the spring 551 acts to be applied to the paint removal chisel 549 through the rod surface 552. . Due to the spring 551 and the rod surface 551 as described above, the induction stripping head 529 and the paint removing chisel 549 are in close contact with the inner surface of the conduit 900 with a constant force, applying heat to the inner surface, and applying poor coating. It is a structure that can be removed and the smoke generated during heating can be discharged to the outside.

10 is a perspective view of the upper support wheel applied to the present invention. In FIG. 10, the upper support wheel 400 applied to the present invention includes a base 410, a pair of rails 414 installed on the base 410, a pair of rotary supports 412, and the A pair of first driving parts 416 installed to be movable on the pair of rails 414, a cylinder part 450 which assists the pair of first driving parts 416 to move on the rails, and the cylinder part ( A pair of second fastening portions 452 to prevent the rolling of the 450, a pair of first support 418 fastened to the pair of rotary support 412 and a pair of first driving portion 416. Support 420, the joint portion 422 rotatable to fold the pair of first support 418 and the pair of second support 420 in the center of the support, and the end of the pair of first support 418 A first joint 424 provided at the second joint, a second joint 426 provided at the end of the pair of second supports 420, and both ends of the first joint 424. A third support 428 fastened to each other, a fourth support 430 fastened to both ends of the second joint 426, and a third joint 434 fastened to the respective third support 428. ), A fourth joint portion 436 fastened to each of the fourth supporters 430, a second base 438 fastened to the fourth joint portion 436, and an upper portion of the third joint portion 434. The second base 438 is shown to be composed of a drive wheel 440 is fastened to rotate to one side. The upper support wheel 400 applied to the present invention configured as described above is folded and unfolded as described above by using a plurality of

joints

422, 424, 426, 434, and 436. In this case, the pair of first driving units 416 are configured to move the pair of rails 414 from side to side.

Figure 11 is a configuration diagram folded state the upper support wheel applied to the present invention. In FIG. 11, the upper support wheel 400 has a first support 418 through a joint 422, a first joint 424, a second joint 426, a third joint 434, and a fourth joint 436. ), The second support 420, the third support 428 and the fourth support 430 is a structure that is folded, and when the support is folded as described above, the first driving portion 416 is to the right side of the rail 414 The piston of the cylinder portion 450 fastened between the first driving portion 416 and the fixed portion 452 is moved to be inserted into the cylinder.

Figure 12 is a configuration of the upper support wheel unfolded state applied to the present invention. In FIG. 12, the upper support wheel 400 includes a first support 418 through a joint 422, a first joint 424, a second joint 426, a third joint 434, and a fourth joint 436. ), The second support 420, the third support 428 and the fourth support 430 is unfolded, and when the support is unfolded as described above, the first driving part 416 moves to the left side of the rail 414. Thus, the piston of the cylinder portion 450 fastened between the first driving portion 416 and the fixing portion 452 is to be pulled out of the cylinder.

Figure 13 is a perspective view of the paint removal chisel portion applied to the present invention. In FIG. 13, the paint removing chisel 513 applied to the present invention includes a fourth rod 532 integrally fastened to the end of the Y-shaped support 510 and a third hinge part formed at the end of the fourth rod 532. 533, a third rod 531 integrally fastened to the Y-shaped support 510, and a fourth hinge part 553 at the end of the third hinge part 533 and the third rod 531. It is shown that it is composed of the paint removal chisel 549 is fastened to be rotated by the first rod 521 and the third rod 531 is a rod that moves by the tension of the spring 551 and the spring therein It shows that it consists of the surface 552. The induction coil unit 511 configured as described above provides an elastic force to the induction stripping head 529 by the spring 551, the rod surface 552, and the second hinge portion 527 of the first rod 521. will be. In addition, the paint removing chisel 513 is the paint removing chisel by the spring 551 and the rod surface 552, the third hinge portion 533 and the fourth hinge portion 553 in the third rod 531. An elastic force is imparted to 549, and a vibration vibrator 548 may be configured at the rear surface of the paint removing chisel 549 to give vibration to the paint removing chisel.

14 is a perspective view of an induction coil unit. In FIG. 14, the induction coil part 511 includes an induction stripping head 529 connected by the second hinge part 527 and the second rod 523 of the first rod 521 and the induction strip. The ping head includes an induction coil 546 fastened to a second rod, a rotating part 544 fastened to the left and right sides of the induction coil, and a painting blade 545 formed outside the rotating part to cut a coating part. By the rotation of 544, the induction stripping head 529 can be easily moved in the conduit and the coating blade 545 cuts the coating portion to a certain range while moving.

15 is a configuration diagram of a controller applied to the present invention. In FIG. 5, the coil of the motor and the induction coil unit of the truck applied to the present invention transmit a control signal through the transmitter 351 and the receiver 353 of the controller installed in the truck wirelessly through the remote control unit 350 in the management room. It receives the control result and can control the driving of each motor, vibration vibrator and camera installed in the balance through the CPU 354 of the controller installed in the balance, and can also control the current and on-off of the induction coil.

The rust and coating removal system inside the pipeline using the induction principle configured as described above is to remove the rust or bad paint in the pipeline while the vehicle body is traveling inside the pipeline to extend the life by renovating the old pipeline. Or it is applicable to an oil pipeline.

Claims

The vehicle body is provided on the track part and the upper part of the track part and has a rotating body that rotates by rotation on the motor. The rust and coating inside the pipeline using the induction principle of removing defective coatings in the pipeline while moving in the water and sewage pipeline. In the removal system,

Pipe rust and coating removal system in the pipeline using the induction principle,

Induction principle, characterized in that it comprises an induction coil 511 is connected to the rotating shaft 142 of the rotating body and the paint removal chisel 513 constituting the induction coil 511 and the Y-shape Pipe rust and coating removal system in the pipeline.
The method of claim 1,

Induction coil unit 511,

A first rod 521 fixedly installed at one side of the Y-shaped support;

A second rod 523 fastened to be rotatable by a first hinge portion 525 installed at one end of the Y-shaped support;

A second hinge portion 527 fastening the first rod 521 to the second rod 523 so as to be rotatable;

And an induction stripping head (529) fastened to the end of the second rod (523).
The method of claim 1,

The paint removal chisel 513,

A fourth rod 532 integrally fastened to the end of the Y-shaped support 510;

A third hinge part 533 formed at the end of the fourth rod 532;

A third rod 531 integrally fastened to the Y-shaped support 510;

And a paint removal chisel 549 fastened to be rotatable by the third hinge portion 533 and the fourth hinge portion 553 at the end of the third rod 531. Pipe rust and coating removal system in the pipeline.
The method of claim 1,

Large pipeline induction coil cleaning system,

The rust and coating removal system inside the pipeline using the induction principle, characterized in that it further comprises an upper support wheel 400 on the vehicle body.
The method of claim 3,

Paint removal chisel 513,

Vibration rust, coating removal system in the pipeline using the induction principle, characterized in that further comprises a vibration vibrator (548) for giving vibration to the paint removal chisel (549).
A track body for adjusting a tilting and driving direction of the track part and the track part, a vehicle body provided on an upper part of the track part, and having a rotating body rotating by rotation on a motor, and a lifting driver for lifting the vehicle body up and down; In the pipeline rust, coating removal system using the induction principle is provided with a position adjusting means for adjusting the position of the vehicle body and removes the bad paint in the pipeline while moving in the water and sewage pipeline,

Pipe rust and coating removal system in the pipeline using the induction principle,

A first rod 521 fixedly installed at one side of the Y-shaped support, a second rod 523 fastened to be rotatable by a first hinge portion 525 installed at one end of the Y-shaped support, and the second rod An induction coil part 511 including a second hinge part 527 for fastening the first rod 521 to the 523 so as to be rotatable, and an induction stripping head 529 fastened to an end of the second rod 523. )Wow;

A fourth rod 532 integrally fastened to the end of the Y-shaped support 510, a third hinge part 533 formed at the end of the fourth rod 532, and integrally fastened to the Y-shaped support 510. Including the third rod 531, the third hinge portion 533 and the paint removal chisel 549 is fastened so as to be rotatable by the fourth hinge portion 553 at the end of the third rod (531). Pipe rust, coating removal system inside the pipeline using the induction principle, characterized in that comprises a configured paint removal chisel 513.
The method of claim 6,

Large pipeline induction coil cleaning system,

Large induction coil cleaning system, characterized in that further comprises an upper support wheel (400) on the vehicle body.
The method of claim 7, wherein

Pipe rust and coating removal system using induction principle,

Pipe rust and coating removal system using the induction principle, characterized in that it further comprises a smoke removal means for removing the smoke generated in the induction coil unit (511).
The method of claim 8,

The upper support wheel 400,

A base 410;

A pair of rails 414 mounted on the base 410;

A pair of rotary supports 412;

A pair of first driving parts 416 installed to be movable on the pair of rails 414;

A cylinder unit 450 which assists the pair of first driving units 416 to move on a rail;

A fixing part 452 for preventing the cylinder part 450 from being pushed;

A pair of first supports 418 fastened to the pair of rotary supports 412;

A pair of second supports 420 fastened to the pair of first driving parts 416;

A joint portion 422 rotatable to fold the pair of first supports 418 and the pair of second supports 420 at a center of the support;

A first joint 424 provided at the ends of the pair of first supports 418;

A second joint part 426 provided at the ends of the pair of second supports 420;

Third support members 428 fastened to both ends of the first joint part 424;

A fourth support 430 fastened to both ends of the second joint 426;

Third joints 434 fastened to the respective third supports 428;

A fourth joint portion 436 fastened to each of the fourth supporters 430;

A second base 438 fastened to an upper portion of the fourth joint portion 436 and the third joint portion 434;

And a driving wheel (440) fastened to rotate to one side of the second base (438).
The method of claim 7, wherein

The first rod 521 and the third rod 531,

The rust and coating removal system in the pipeline using the induction principle, characterized in that the elasticity is composed of the spring 551 and the rod surface 552 in contact with the spring to give tension in the rod.
The method of claim 8,

The smoke removing means,

A dust collecting housing 556 formed outside the induction coil unit;

A suction pipe 555 connected to the dust collecting housing 556 to suck smoke;

And an air inhaler 149 for discharging the smoke, wherein the duct internal rust and coating removal system using the induction principle.
The method of claim 11,

The induction stripping head 529,

An induction coil 546 fastened to the second rod 523;

Wheels 544 rotatably fastened to both sides of the induction coil;

The rust and coating removal system in the pipeline using the induction principle, characterized in that it comprises a coating blade 545 is fastened to the one side wheel (544) for cutting the defective coating.
A track body for adjusting a tilting and driving direction of the track part and the track part, a vehicle body provided on an upper part of the track part, and having a rotating body rotating by rotation on a motor, and a lifting driver for lifting the vehicle body up and down; In the pipeline rust, coating removal system using the induction principle is provided with a position adjusting means for adjusting the position of the vehicle body and removes the bad paint in the pipeline while moving in the water and sewage pipeline,

Pipe rust and coating removal system in the pipeline using the induction principle,

A first rod 521 fixedly installed at one side of the Y-shaped support, a second rod 523 fastened to be rotatable by a first hinge portion 525 installed at one end of the Y-shaped support, and the second rod An induction coil part 511 including a second hinge part 527 for fastening the first rod 521 to the 523 so as to be rotatable, and an induction stripping head 529 fastened to an end of the second rod 523. )Wow;

A fourth rod 532 integrally fastened to the end of the Y-shaped support 510, a third hinge part 533 formed at the end of the fourth rod 532, and integrally fastened to the Y-shaped support 510. Including the third rod 531, the third hinge portion 533 and the paint removal chisel 549 is fastened so as to be rotatable by the fourth hinge portion 553 at the end of the third rod (531). A paint removal chisel 513 configured;

A base 410 and a pair of rails 414 mounted on the base 410;

A pair of rotary support 412, a pair of first driving unit 416 is installed to be movable on the pair of rails 414, and to assist the pair of first driving unit 416 to move on the rail A cylinder portion 450, a fixing portion 452 for preventing the cylinder portion 450 from being pushed, a pair of first support 418 fastened to the pair of rotary support 412, and a pair of first A pair of second supports 420 fastened to the first driving unit 416, the joint portion 422 rotatable to fold the pair of first support 418 and the pair of second support 420 in the center of the support And a first joint part 424 provided at the ends of the pair of first support members 418, a second joint part 426 provided at the ends of the pair of second support members 420, and the first joint part 424. A third support 428 fastened to both ends, a fourth support 430 fastened to both ends of the second joint part 426, and the respective third support ( A third joint portion 434 fastened to 428, a fourth joint portion 436 fastened to each of the fourth supporters 430, and an upper portion of the fourth joint portion 436 and the third joint portion 434. Pipe line using the induction principle, characterized in that it comprises a second base 438 is fastened, and the upper support wheel 400 consisting of a drive wheel 440 fastened to rotate to one side of the second base 438. Internal rust, coating removal system.
The method of claim 13,

The first rod 521 and the third rod 531,

The rust and coating removal system in the pipeline using the induction principle, characterized in that the elasticity is composed of a spring 551 and a rod surface 552 in contact with the spring to give tension in the rod.