WO2014204040A1

WO2014204040A1 - System for removing rust and coating from inside of pipe by using vehicle and induction principles

Info

Publication number: WO2014204040A1
Application number: PCT/KR2013/005884
Authority: WO
Inventors: 김진원; 박상봉; 이경섭; 오경석; 이영건; 오정훈
Original assignee: 수자원기술 주식회사
Priority date: 2013-06-19
Filing date: 2013-07-03
Publication date: 2014-12-24
Also published as: KR101338970B1

Abstract

A system for removing rust and a coating from the inside of a pipe by using an induction principle comprises: a track part driving inside a pipe and a vehicle provided to the upper portion of the track part; an upper support wheel provided to the upper portion of the vehicle and coming into contact with the upper end surface of the pipe so as to prevent overturning of the vehicle; and an induction coating removing means for rotating by a motor provided to the vehicle and comprising an induction part and a coating removing means.

Description

Pipe rust and coating removal system using bogie and induction principle

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

Pipe rust and coating removal system using the induction principle of the conventional large water and sewage pipes related to the present invention is disclosed in Korean Patent Registration No. 10-1197112 filed by the applicant. 1 is a block diagram of a pipeline rust and coating removal system using the conventional induction principle. In FIG. 1, the rust and coating removal system inside the pipeline using the conventional induction principle is applied to the inside of the water pipe where regeneration is required and uses the heat generated from the induction coil by the power supply to the scale fixed to the inner wall of the pipeline. To remove foreign substances, coatings, etc. from the inner surface of the pipeline, and to the front and rear of the vehicle body 101, the pipeline along with a plurality of surveillance cameras with illumination to monitor the internal state of the pipeline from the outside. Observation cameras having a normal zoom function and a photographing direction switching function are installed in a specific part of the vehicle body cover 800 so that the specific parts of the vehicle can be concentrated and observed to facilitate the work. Control of the vehicle body 101 by the track portion 102 and the coating removing means 500 mounted on the vehicle body 101 by the control. To which is configured to control the same. In addition, the rust and coating removal system inside the pipeline using the conventional induction principle is configured so that the running of the vehicle body 101 by the two side tracks 102, the vehicle body 101 is the inner wall of the pipeline 900 The coating removal means 500 including the induction coil part 511 and the coating removal chisel 513 facing the side is mounted, and the coating removal means 500 is provided on the elevating driving part 106 and the position adjusting means 107. It is configured to move in conjunction with the vehicle body that can be moved up and down, left and right rotation and linear movement. In addition, the coating removing means 500 is configured to remove the poor coating portion by using a 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 the 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 vehicle body may be further provided with a pump 114 for removing the foreign matter such as the removed coating with a waterjet.

Pipe rust, coating removal system using the conventional induction principle as described above is a problem that requires a lot of power by the vehicle body is raised and lowered. In addition, in the pipeline rust and coating removal system using the conventional induction principle as described above, when the pipe diameter is different, the coating removal chisel abuts on the inner surface of the pipeline to effectively remove the coating. There is a problem that the whole is not provided with means for making contact. In addition, the prior art has a problem that the coating removal means is composed of one coating removal chisel portion is not effective in removing the coating while reversing. Therefore, an object of the present invention is to solve the problems of the prior art as described above to adjust the length of the coating removal means to rust or coating the inner surface of the pipeline even if the pipe diameter is different or the top, bottom, left and right diameters in a single pipe line It is to effectively remove the. In addition, the present invention is to separate the induction portion and the coating removal means in the opposite direction to remove the coating by the coating removal means immediately after the coating is melted by the induction portion, the coating is melted buried in the chisel to reduce the coating removal efficiency because the induction portion After a certain time after the coating is melted in the pipeline by a scraper located on the opposite side of the induction portion to remove the coating to effectively remove the coating inside the pipeline. It is also an object of the present invention to prevent the debris of the coating removed by having a brush in the induction portion falls and burns in the induction portion.

The rust and coating removal system in the pipeline using the balance and induction principle of the present invention for solving the problems of the prior art as described above is installed on the track portion and the track portion to move forward and backward as the track forward and backward, A support wheel installed on an upper portion of the trolley and contacting an upper surface of the conduit to prevent overturning of the trolley, a rotation means interlocked by a motor installed in the trolley, and a connecting means rotated by the rotation means. And an induction part for applying heat to the coating part of the inner surface of the pipe by being fastened to one side of the connecting means and varying in length and rotating integrally with the connecting means, and the length being variable to be fastened to the other side of the connecting means. The coating unit is heated by the induction unit and rotates in conjunction with the connecting unit to facilitate removal. It is characterized by consisting of a coating removing means for removing.

Pipe rust and coating removal system using the balance and induction principle of the present invention configured as described above is effective in removing the coating in the pipeline even when the pipe diameter of the pipe is different. In addition, the present invention is to effectively contact the scraper of the coating removal means in the pipeline to effectively remove the coating. In addition, the rust and coating removal system in the pipeline using the balance and induction coil of the present invention has an effect that can prevent the debris of the coating removed during the coating removal falls on the induction part.

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

Figure 2 is an enlarged perspective view of the pipe rust and coating removal system and the induction portion inside the pipeline using the present invention the balance and induction principle,

Figure 3 is an enlarged perspective view of the rust in the pipeline, coating removal system and coating removal means using the present invention the balance and induction principle;

Figure 4 is an exploded perspective view of the rust and coating removal system in the pipeline using the present invention the balance and induction principle,

5 is a configuration of the support wheel applied to the present invention,

Figure 6 is a perspective perspective view of the rust inside the pipeline using the present invention bogie and induction principle, the coating removal system entered into the pipeline,

7 is a cross-sectional configuration diagram of the pipeline rust and coating removal system in the pipeline using the present invention the balance and induction principle;

8 is a perspective perspective view of the rust and coating removal system in the pipeline using the present invention the balance and induction principle, the length of the induction coating removal means in the pipeline is in close contact with the pipeline,

Figure 9 is a cross-sectional configuration of the in-line rust, the length of the induction coating removal means of the coating removal system is expanded in close contact with the pipeline using the present invention bogie and induction principle,

Figure 10 is a perspective view of the working state while rotating while in close contact with the pipeline, rust, coating removal system in the pipeline using the present invention the balance and induction principle,

Figure 11 is an enlarged cross-sectional view of the working state while rotating while in close contact with the pipeline, the rust and coating removal system in the pipeline using the present invention bogie and induction principle,

12 is a configuration diagram of an embodiment state in which the main generator for supplying power to the pipe rust and coating removal system in the pipeline using the present invention the balance and induction principle,

Figure 13 is a plan view of the pipeline rust, coating removal system in the pipeline using the present invention the balance and induction principle.

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 13.

Figure 2 is an enlarged perspective view of the entire duct, coating removal system and the induction unit in the pipeline using the present invention the balance and induction principle. In FIG. 2, the rust and coating removal system inside the pipeline using the present invention's trolley and induction principle is installed on the track section and the track section consisting of two tracks 660 and 660-1 on both sides by traveling by a motor. A trolley 600 to be installed, an upper support wheel 700 installed at an upper portion of the trolley 600 to prevent tipping of the trolley by contacting an upper surface of the conduit, and a motor 670 mounted to the trolley 600. The induction coating removing means 800 is coupled to one side of the connecting means 685, which is composed of an induction coating removing means 800 connected to and rotated in conjunction with the rotating means 680 and the connecting means 685. The length is variable and the induction part 880 for applying heat to the coating portion inner surface of the pipe by rotating in conjunction with the connecting means 685, the length is variable by being fastened to the other side of the connecting means 685, connecting means Integrally with It is composed of a coating removal means 840 that rotates in conjunction with, characterized in that to remove the coating on the inner surface of the conduit. The coating removing means 840 is fastened to the bracket 686 integrally formed with the connecting means 685, and is guided by the first guide part 910, 910-1 consisting of two upper and lower parts of the connecting means. The coating removing means is moved backward and forward by the first cylinder 870 fastened to the two guide parts 910, in the two guide grooves 920 and 920-1 formed in the body of the coating removing means when it is moved back and forth. 910-1) are respectively inserted and guided in a sliding manner. In addition, the coating removing means 840 has a first left and right pivot means composed of a first hinge 851 and a second hinge 853 provided with a flow hole in the body of the coating removing means is the blade end of the scraper of the coating removing means It contacts the pipeline well so that the coating can be removed. In addition, it is possible to rotate back and forth by the two support cylinders 853 and 853-1 provided in the body of the coating removal means integrally coupled to the first left and right rotation means, and can rotate on the second support shaft 848-1. Fastened to the first support shaft 848 as forward and backward by the lower scraper 847-1 and the other two small cylinders 854 and 854-1 mounted inside the coating removing means body. An upper scraper 847, a first spring member 846 that is inserted into the first support shaft 848 to impart an elastic force to the upper scraper, and a second spring member 846 to impart an elastic force to the lower scraper. -1) and a blade portion 845 fastened to the body bars 844 and 844-1 provided on both sides of the paint removing means body so as to be rotatable. The coating removing means 840 configured as described above may include the first guide grooves 920 and 920-1 provided in the coating removing means body provided in the connecting means when the first cylinder 870 is moved back and forth by air. It is a structure that can be moved back and forth while sliding guide by the one guide portion (910, 910-1). In addition, the coating removal means is that the blade portion and the scraper of the coating removal means by the first left and right rotation means can operate in close contact with the pipe without being partially separated. In addition, the induction part 880 is fastened to the bracket 686 of the connecting means and consists of a second cylinder 870-1 for driving the induction part back and forth, and the upper and lower two formed long in the connecting means 685 Second guide portions 930 and 930-1, Second guide grooves 940 and 940-1 extending vertically in the induction portion body, and a third hinge 891 formed at one side of the induction portion body. And a second left and right pivot means having a structure that can be rotated left and right by the fourth hinge 833, an induction part body which is fastened to the second left and right pivot means and the second cylinder 870-1, and the induction part body Shafts 831 and 831-1 provided in the first support bar, first support bars 833 fastened to the shafts 831 and 831-1, and second support bars 833 fastened to one side of the connecting means 685. -1), a first roller 885 fastened to the first support bar 833, a second roller 885-1 fastened to the second support bar 833-1, and the first Roller 885 and the second An induction coil 887 fastened to a connecting shaft connecting the roller 885-1, a long protective cover 895 fastened to the connecting shaft, and an upper brush 886 fastened to an upper end of the protective cover. ), A lower brush 886-1 fastened to the lower end of the protective cover, a separator bar 894 attached to the inside of the upper brush 886, and an inner portion of the separator bar 884 to form high pressure air. A plurality of upper air holes 888 for discharging and lower air holes 888-1 formed inside the lower brush 886-1 to discharge high-pressure air are characterized in that the configuration. The air pipe for supplying air to the air hole, the cable for supplying power to each cylinder air pipe and the induction coil, the air pump and the power supply unit provided in the bogie through the through hole of the rotating means 680 having a through hole therein It can be configured to connect to. In addition, when the second cylinder 870-1 operates, the second guide grooves 940 and 940-1 provided in the induction part body are provided with the second guide parts 930 and 930-1 provided in the connecting means. Therefore, it is a structure that can move forward and backward by sliding method. In addition, the induction part 880 has a structure in which the induction part can be rotated to the left and right by the second left and right rotation means so that the induction coil 887 of the induction part 880 is closely spaced at equal intervals to the conduit 1000. You can do it. In addition, the induction part 880 may rotate in the forward or reverse direction along with the paint removal means by the forward and reverse of the motor 670, and the upper brush 886 and the lower brush 886-1 and The air hole 888-1 is for removing foreign matter on the coating surface in the conduit to prevent the foreign matter from falling on the coating removing means and burning. In addition, the first cylinder 870, the second cylinder 870-1, the small cylinders 853, 853-1, 854, 854-1, and the like, the solenoid valve of the air distribution panel for controlling the air supply (not shown) It is controlled by.

Figure 3 is an enlarged perspective view of the pipe rust inside the pipeline, coating removal system and coating removal means using the present invention the balance and induction principle. In FIG. 3, the coating removing means 840 is fastened to the bracket 686 integrally formed with the connecting means 685. The coating removing means 840 is guided by the first guide part 910, 910-1 consisting of two upper and lower parts of the connecting means. The first guide groove 920, 920-1 consisting of two formed in the body of the coating removing means when the coating removing means is moved backward and forward by the first cylinder 870 of the coating removing means fastened to the bracket. It is guided in the sliding form by the first guide portion 910, 910-1 inserted in the. In addition, the coating removing means 840 is composed of a first left and right pivot means consisting of a first hinge 851 provided on the body of the coating removing means and a second hinge 853 provided with a flow hole is a scraper ( 847, 847-1) end of the blade is in contact with the parallel to the well is configured to remove the coating. In addition, the coating removing means 840 is a second support shaft (2) capable of moving forward and backward by the two lower cylinders (853, 853-1) provided in the body of the coating removing means integrally coupled to the first left and right rotation means ( The first support shaft (1) is capable of being moved back and forth by a lower scraper (847-1) fastened to the 848-1 and two other upper small cylinders (854, 854-1) mounted inside the coating removing means body. An upper scraper 847 that is rotatably fastened to the 848, a first spring member 846 that provides elastic force to the upper scraper 847 by being inserted into the first support shaft 848, and the lower scraper Blade portion 845 fastened to the second spring member 846-1 for providing elastic force to 847-1 and body bars 844 and 844-1 provided on both sides of the paint removing means body. It is characterized by consisting of. In addition, the coating removing means 840 is the first guide grooves 920, 920-1 provided in the coating removing means body when the first cylinder 870 is moved back and forth by the high pressure air connecting means 685 Sliding guide by the first guide portion (910, 910-1) provided in the structure that can be moved forward and backward. In addition, the coating removing means 840 is the upper or lower scraper (847, 847-1) of the coating removing means by the first left and right rotation means can be operated in close contact in parallel without being separated from the pipeline. In the coating removing means 840 may be rotated in the forward or reverse direction by the forward and reverse of the motor 670, and when the forward direction, the blade 845 and the upper scraper 847 abuts the pipeline to remove the coating In the reverse direction, the blade 845 and the lower scraper 847-1 abut against the conduit to remove the coating. Of course, it can be configured to act in reverse to the scraper acting during the forward and reverse rotation.

Figure 4 is an exploded perspective view of the rust and coating removal system inside the pipeline using the present invention the balance and induction principle. In Figure 4 the rust and coating removal system in the pipeline using the present invention the balance and induction principle, the motor 670 is fastened to one side of the truck and the rotation means 680 is fastened to rotate in conjunction with the motor 670, Again, it indicates that the connection means 685 can be fastened to rotate in conjunction with the rotation means 680. The connecting means 685 is fastened to one side tooth of the rotating means 680 to rotate. In addition, the lifting means 690 is formed in the lower portion of the rotating means 680. The lifting means 690 includes a support part 696, a long bolt 698 which is inserted into the hole of the support part 696 and the hole of the lower support part 697 of the rotating means to move up and down. Rotation of the threaded long bolt 698 inserted into the hole of the lower support portion 697 of the rotating means 680 and the rotating means 680 operates to raise and lower the induction coating removing means 800. It is a structure that can raise and lower. In addition, two track connecting portions 610 and 610-1 are provided at both sides of the bogie 600 to connect the track 660, and the forward and backward movement of the track 660 is operated by the track motor 650. will be. In addition, two other second orbit connecting portions 610-2 and 610-3 are formed at opposite sides of the bogie and on the other side of the second orbit connecting portions 610-2 and 610-3. 1) is connected to be able to operate forward and backward by the second orbit motor (650-1). In addition, the upper portion of the bogie 600 is to indicate that the support wheel 700 is adjustable height.

5 is a configuration of the support wheel applied to the present invention. In FIG. 5, the support wheel 700 applied to the present invention includes a square support wheel base 750 installed on an upper portion of the truck and two upper support wheels installed on an upper portion of the support wheel base 750. It shows what was constructed. Each of the upper support wheels may be spaced apart from the first horizontal bar 716 to the support wheel base so as to be rotatable in the horizontal direction and the first wheel bar 716 to the support wheel base 750. A second horizontal bar 717 fastened to be rotatable, a first support bar 703 and 703-1 fastened to both ends of the first horizontal bar 716, and the second horizontal bar ( 717, the second support bar 704, 704-1 and the first support bar 703, 703-1 and the second support bar 704, 704-1 which are rotatably fastened at both ends cross each other. And a third horizontal bar 715 fastened to be rotatable, a third horizontal bar 714 fastened to both ends of the first support bars 703 and 703-1, and the second support bar. (704, 704-1) and the fourth horizontal bar (711) is fastened to be rotatable at both ends, and the fourth support bar (701, 701-1) is fastened to be rotatable to the fourth horizontal bar (711) , The third horizontal bar 714 Fastening the third support bars 705 and 705-1 and the fourth support bars 701 and 701-1 and the third support bars 705 and 705-1 that are rotatably coupled to the first support bar 705 and 705-1. The fifth horizontal bar 709, the sixth horizontal bar 708, which is fastened to both ends of the fourth support bar (701, 701-1) to be rotatable, and the cylindrical wheel integrally fastened to the sixth horizontal bar 707 and one side is integrally fastened to the second horizontal bar 717 and the other side is fastened to the seventh horizontal bar 710 which is fastened to be pivotable in the middle of the fourth support bars 701 and 701-1. It shows that it consists of the cylinder 740 to become. In FIG. 5, (a) shows a state in which the cylinder piston enters the cylinder and the upper support wheels of the dog are lowered, and (b) shows the state in which the cylinder piston enters the front and the heights of the two upper support wheels are increased. . The support wheel installed on the upper portion of the trolley as described above is to prevent the overturning of the trolley by adjusting the height of the support wheel according to the diameter of the pipeline.

6 is a perspective perspective view of the rust and coating removal system inside the pipeline using the present invention the balance and induction principle entered into the pipeline. In FIG. 6, when the present invention rusts and the coating removal system is introduced into the pipeline 1000, the entire induction coating is compressed using each of the cylinders 870 and 870-1 of the coating removal means 840 and the induction part 880. After shortening the length of the removal means 800 and lowering the height of the support wheel 700, the track motor 650 and the second orbital motor 650-1 are driven to enter the bogie into the conduit.

Figure 7 is a cross-sectional configuration of the rust and coating removal system in the pipeline using the present invention the balance and induction principle located in the pipeline. In the duct line in FIG. 7, the rust and coating removal system of the present invention is introduced into and out of the pipeline 1000 by the trolley 600, and the induction coating removal unit 800 is installed to be rotatable in forward and reverse directions on the trolley 600. ) Can be rotated by the motor 670.

8 is a perspective perspective view of the rust and coating removal system in the pipeline using the present invention the balance and induction principle is in close contact with the pipeline 1000, the length of the induction coating removal means 800 in the pipeline. In FIG. 8, the rust and coating removal system of the present invention pipeline extends the pistons of the first cylinder 870 and the second cylinder 870-1 to route the coating removal means 840 and the induction part 880. The body of the coating removing means 840 is guided by the first guide portion 910, 910-1 configured on the connecting means 685, when the piston of the cylinders 870, 870-1 expands. The body of the induction part 880 is guided by the second guide parts 930 and 930-1 configured in the connecting means 685.

9 is a cross-sectional view of a state in which the induction coating removal means 800 of the pipe rust and coating removal system of the present invention using the balance and induction principle of the present invention is extended and in close contact with the pipe line 1000. In FIG. 9, the coating removal means 840 in the rust and coating removal system of the present invention is formed by the first guide parts 910 and 910-1 and the first cylinder 870 provided in the connecting means 685. The length of the structure is extended, and the induction part 880 indicates that the length can be extended by the second guide parts 930 and 930-1 and the second cylinder 870-1.

Figure 10 is a perspective view of the working state while rotating while in close contact with the pipeline, rust, coating removal system in the pipeline using the present invention the balance and induction principle. In FIG. 10, the rotating means 680 and the connecting means 685 are rotated by the rotation of the motor 670, so that the induction coating removing means 800 may rotate forward and reverse. Pipe rust and coating removal system using the present invention, the balance and induction principle configured as described above can be heated by the induction unit 880 while removing the coating area inside the duct while rotating in reverse inversion and removed by the coating removal means 840. It can be.

Figure 11 is an enlarged cross-sectional view of the working state while rotating while in close contact with the pipeline, rust and coating removal system in the pipeline using the present invention the balance and induction principle. In FIG. 11, the upper brush 886 of the induction part 880 indicates that the induction coating removing means 800 cleans the inner surface of the conduit while touching the conduit surface when the induction coating removing means 800 rotates in the counterclockwise direction. -1) is to maintain these states. In addition, the coating removal means 840 is the lower scraper 847-1 when the induction coating removal means 800 is rotated in the counterclockwise direction is abuts the inner surface of the pipeline while cutting the coating with the blade portion 845 The lower scraper 847-1 removes the cut coating site and the upper scraper 847 is in an idle state. In addition, when rotating in reverse, the upper scraper acts to remove the cut coating site.

12 is a configuration diagram of an embodiment state in which the main generator is installed in the pipeline rust and coating removal system using the present invention bogie and induction principle. In FIG. 12, the main generator 1100 may be configured at the rear of the bogie 600 applied to the present invention, and the main generator 1100 passes through the bogie 600 and passes through an internal through hole of the rotating means. This can supply power to a motor, a solenoid valve, or the like.

Figure 13 is a plan view of the pipe rust, coating removal system inside the pipeline using the present invention the principle of induction and induction. In FIG. 13, the first cylinder 870 and the second cylinder 870-1 are fastened to the bracket 686 integrally fastened to the connecting means, and the connecting means 685 is connected to the rotating means 680. The coating removing means 840 is rotated left and right by a first left and right rotation means composed of a first hinge portion 851 and a second hinge portion 853 in which a flow hole is formed. The blade of the coating removal means 840 is to be able to abut the entire surface on the inner surface of the pipeline. In addition, the second left and right pivot means of the induction part 880 can also be rotated left and right by the third hinge part 891 and the fourth hinge part 833 in which the flow hole is formed, and thus the induction coil 887 is formed on the inner surface of the pipe line. It can be heated while maintaining a uniform separation.

Pipe rust and coating removal system in the pipeline using the present invention configured as described above and the induction principle is able to remove rust or poor coating formed in the pipeline generated over time in a large pipeline and rehabilitation pipeline As a result, the economic effect of substantially extending the service life of the pipeline is great.

Claims

The rust and coating removal system inside the pipeline using the balance and induction principle to remove the rust coating inside the pipeline

A track unit for traveling in the pipeline;

A trolley 600 which is installed at an upper part of the track part and moves forward and backward by the forward backward of the track part;

A support wheel 700 installed on an upper portion of the trolley and abutting an upper surface of the conduit to prevent overturning of the trolley;

Rotating means 680 to rotate in conjunction with the motor 670 installed in the trolley;

Connecting means 685 fastened to the rotating means and rotated;

And an induction coating removing means (800) configured to remove the coating part after heating the coating part in the conduit while being rotated by the connection means and rotating the coating part.
The method of claim 1,

The induction coating removing means 800,

A second cylinder 870-1 which is fastened to the bracket 686 of the connecting means and drives the induction part back and forth; and a second guide part 930 and 930-formed of two upper and lower parts formed long in the connecting means 685. 1) and the second guide grooves 940 and 940-1 provided in the induction part body vertically and long, the induction part body which is fastened to the second cylinder 870-1, and the induction part body. Shafts 831, 831-1, first support bars 833 fastened to the shafts 831, 831-1, and second support bars 833-1 fastened to one side of the connecting means 685. ), A first roller 885 fastened to the first support bar 833, a second roller 885-1 fastened to the second support bar 833-1, and the first roller ( 885) and an induction coil 887 fastened to a connecting shaft connecting the second roller 885-1, a long protective cover 895 fastened to the connecting shaft, and an upper end of the protective cover. Fastening top brush ( 886, a lower brush 886-1 fastened to the lower end of the protective cover, a separator bar 894 attached to the inner side of the upper brush 886, and an inner portion of the separator bar 884 to form high pressure air. A trolley comprising an induction part including a plurality of upper air holes 888 for discharging and lower air holes 888-1 for discharging high-pressure air formed inside the lower brush 886-1. And rust and coating removal system in the pipeline using the principle of induction.
The method of claim 1,

The induction coating removing means 800,

It is fastened to the bracket 686 integrally formed with the connecting means 685, the first guide portion (910,910-1) consisting of two upper and lower configured in the connecting means and by the first cylinder 870 fastened to the bracket It is guided in a sliding form by the first guide portion 910, 910-1 inserted into the two first guide grooves 920, 920-1 formed in the body in the forward and backward direction, provided in the body A lower scraper 847-1 fastened rotatably to a second support shaft 848-1 which can be moved forward and backward by means of two lower cylinders 853 and 853-1, and the other two mounted inside the body. An upper scraper 847 fastened to the first support shaft 848 so as to be able to move back and forth by the two upper small cylinders 854 and 854-1, and to be inserted into the first support shaft 848. A first spring member 846 for applying an elastic force to the upper scraper 847, and the lower A second spring member 846-1 for imparting elastic force to the scraper 847-1, and a blade portion 845 fastened to the body bars 844 and 844-1 provided on both sides of the body to be rotatable. The rust and coating removal system in the pipeline using the balance and induction principle, characterized in that it comprises a configured paint removal means (840).
The method of claim 1,

The support wheel,

A support wheel base 750 having a square shape installed on an upper portion of the trolley;

It is composed of two upper support wheels installed on the upper portion of the support wheel base 750, wherein each of the upper support wheels and the first horizontal bar 716 is fastened to be rotated in the horizontal direction to the support wheel base 750 and A second horizontal bar 717 fastened to the support wheel base 750 to be spaced apart from the first horizontal bar 716 so as to be rotated in a horizontal direction, and may be rotated at both ends of the first horizontal bar 716. First support bars 703 and 703-1 fastened to each other, second support bars 704 and 704-1 fastened to both ends of the second horizontal bar 717, and the first support bar. 703 and 703-1 of the third horizontal bar 715 and the first support bar 703 and 703-1 which are fastened to be rotatable while crossing the second support bar 704 and 704-1. A third horizontal bar 714 that is rotatably coupled to both ends, a fourth horizontal bar 711 that is rotatably coupled at both ends of the second support bars 704 and 704-1, and the fourth Fourth support bars 701 and 701-1 fastened to the bar 711 to be rotatable, third support bars 705 and 705-1 to be rotatably fastened to the third horizontal bar 714, and A fifth horizontal bar 709 for fastening the fourth support bars 701 and 701-1 and the third support bars 705 and 705-1 to be rotatable, and the fourth support bars 701 and 701-. 1) Sixth horizontal bar 708 is fastened so as to be rotatable at both ends, a cylindrical wheel 707 integrally fastened to the sixth horizontal bar, and one side is integrally fastened to the second horizontal bar 717. The inside of the pipeline using the balance and induction principle, characterized in that the other side is composed of a cylinder 740 is fastened to the seventh horizontal bar 710 is fastened to be pivotable in the middle of the fourth support bar (701, 701-1) Rust, coating removal system.
The method of claim 2,

Pipe rust and coating removal system using the principle of bogie and induction,

Using the balance and induction principle characterized in that it further comprises a second left and right rotation means of the structure that can be rotated left and right by the third hinge (891) and the fourth hinge (893) configured on one side of the induction part body Rust, coating removal system inside the pipeline.
The method of claim 3,

Pipe rust and coating removal system using the principle of bogie and induction,

Removing the rust and coating inside the pipeline using the balance between the first left and right rotation means consisting of a first hinge 851 provided in the body and a second hinge 853 provided with a flow hole system.
The induction part which is installed on the trolley which moves forward and backward inside the pipe by the track part and rotates, induction part for heating the coating part inside the pipe,

A second cylinder 870-1 which is fastened to the bracket 686 of the connecting means and drives the induction part back and forth;

Second guide parts 930 and 930-1 formed in the connection means 685 elongated;

Second guide grooves 940 and 940-1 provided vertically in the induction part body;

An induction part body fastened to the second cylinder 870-1;

Shafts 831 and 831-1 provided in the induction body;

A first support bar 833 fastened to the shafts 831 and 831-1;

A second support bar 833-1 fastened to one side of the connection means 685;

A first roller 885 fastened to the first support bar 833;

A second roller 885-1 fastened to the second support bar 833-1;

An induction coil 887 fastened to a connecting shaft connecting the first roller 885 and the second roller 885-1;

A protective cover 895 having an elongated shape fastened to the connecting shaft;

An upper brush 886 fastened to an upper end of the protective cover;

A lower brush 886-1 fastened to the lower end of the protective cover;

A division bar 894 attached to the inside of the upper brush 886;

A plurality of upper air holes 888 formed inside the division bar 884 to discharge high pressure air;

And a lower air hole (888-1) formed inside the lower brush (886-1) to discharge the high pressure air.
The method of claim 7, wherein

The induction unit,

The induction part further comprises a second left and right rotation means having a structure that can be rotated left and right by a third hinge 891 and a fourth hinge 893 having a flow hole formed on one side of the induction part body. part.
Coating removal means for removing the coating inside the pipeline while rotating and installed on the trolley moving forward and backward inside the pipeline by the track,

First guide parts 910 and 910-1 configured to be connected to the bracket 686 integrally coupled with the connection means 685;

A first cylinder 870 fastened to the bracket and moved backward;

First guide grooves 920 and 920-1 formed in the body to insert the first guide part;

A lower scraper (847-1) rotatably fastened to a second support shaft (848-1) that can be moved forward and backward by lower cylinders (853, 853-1) provided in the body;

An upper scraper 847 that is rotatably fastened to the first support shaft 848 by being able to move back and forth by the upper small cylinders 854 and 854-1 mounted inside the body;

A first spring member 846 inserted into the first support shaft 848 to impart an elastic force to the upper scraper 847;

A second spring member 846-1 for imparting an elastic force to the lower scraper 847-1;

And a blade portion 845 fastened to the body bars 844 and 844-1 provided on both sides of the body to be rotatable.
The method of claim 9,

The painting removal means,

Paint removal means characterized in that it further comprises a first left and right pivot means consisting of a first hinge (851) provided on the body and a second hinge (853) provided with a flow hole.
In the upper support wheel that is installed on the support wheel base installed on the upper portion of the bogie to move forward and backward in the pipeline,

The upper support wheel,

A first horizontal bar 716 fastened to the support wheel base in a horizontal direction;

A second horizontal bar 717 spaced apart from the first horizontal bar 716 on the support wheel base 750 to be rotatable in a horizontal direction;

First support bars (703, 703-1) fastened to both ends of the first horizontal bar (716) so as to be rotatable;

Second support bars (704 and 704-1) fastened to both ends of the second horizontal bar (717) so as to be rotatable;

A third horizontal bar 715 fastened to be rotatable while the first support bars 703 and 703-1 and the second support bars 704 and 704-1 cross each other;

Third horizontal bars 714 fastened to both ends of the first support bars 703 and 703-1 so as to be rotatable;

A fourth horizontal bar 711 fastened to be rotatable at both ends of the second support bars 704 and 704-1;

Fourth support bars 701 and 701-1 fastened to the fourth horizontal bar 711 so as to be rotatable;

Third support bars (705 and 705-1) fastened to the third horizontal bar (714) so as to be rotatable;

A fifth horizontal bar 709 for fastening the fourth support bars 701 and 701-1 and the third support bars 705 and 705-1 to be rotatable;

A sixth horizontal bar 708 fastened to both ends of the fourth support bars 701 and 701-1 so as to be rotatable;

A cylindrical wheel 707 integrally fastened to the sixth horizontal bar;

And a cylinder 740 which is fastened to one side of the second horizontal bar 717 and the other side is fastened to a seventh horizontal bar 710 which is fastened to be pivotable in the middle of the fourth support bars 701 and 701-1. The upper support wheel, characterized in that consisting of.
In the support wheel that is installed on the upper portion of the trolley to move forward and backward inside the pipeline, to prevent the overturning of the trolley,

The support wheel,

A support wheel base 750 having a square shape installed on the upper portion of the trolley;

Consists of a pair of upper support wheels installed in the support wheel base, the upper support wheels,

A first horizontal bar 716 fastened to the support wheel base in a horizontal direction;

A second horizontal bar 717 spaced apart from the first horizontal bar 716 on the support wheel base 750 to be rotatable in a horizontal direction;

First support bars (703, 703-1) fastened to both ends of the first horizontal bar (716) so as to be rotatable;

Second support bars (704 and 704-1) fastened to both ends of the second horizontal bar (717) so as to be rotatable;

A third horizontal bar 715 fastened to be rotatable while the first support bars 703 and 703-1 and the second support bars 704 and 704-1 cross each other;

Third horizontal bars 714 fastened to both ends of the first support bars 703 and 703-1 so as to be rotatable;

A fourth horizontal bar 711 fastened to be rotatable at both ends of the second support bars 704 and 704-1;

Fourth support bars 701 and 701-1 fastened to the fourth horizontal bar 711 so as to be rotatable;

Third support bars (705 and 705-1) fastened to the third horizontal bar (714) so as to be rotatable;

A fifth horizontal bar 709 for fastening the fourth support bars 701 and 701-1 and the third support bars 705 and 705-1 to be rotatable;

A sixth horizontal bar 708 fastened to both ends of the fourth support bars 701 and 701-1 so as to be rotatable;

A cylindrical wheel 707 integrally fastened to the sixth horizontal bar;

And a cylinder 740 which is fastened to one side of the second horizontal bar 717 and the other side is fastened to a seventh horizontal bar 710 which is fastened to be pivotable in the middle of the fourth support bars 701 and 701-1. A support wheel, characterized in that consisting of).