KR20060048277A - Apparatus of repairing pipe and repairing method there of it - Google Patents

Abstract

The present invention is largely divided into pulverizing and plastering, wherein the pulverizing is coupled to the main body and the support means for supporting the main body in close contact with the inner wall of the tube is formed in a size and shape that can enter into the tube; And crushing means for removing deposits deposited on the inner wall of the tube. In addition, the plastering includes a main body formed in a size and shape that can be entered into the tube, support means for supporting the main body in close contact with the inner wall of the tube, and a plastering means for applying various adhesives or finishing materials to the inner wall of the tube. . On the other hand, the sewage pipe maintenance method using the device, the step of entering the crushing sewage pipe maintenance apparatus into the tube, and using the grinding means of the sewage pipe maintenance apparatus to crush the sediment stacked on the inner wall of the pipe, Brushing the inner wall of the sewer pipe using the grinding means of the sewer pipe maintenance device, entering the sewer pipe maintenance device for the plastering into the pipe, and using adhesive or adhesive to the inner wall of the pipe using the plastering means of the sewer pipe maintenance device. It consists of applying a finish. Therefore, the present invention is provided with a support means for supporting the inner wall of the sewage pipe is prevented from rolling, it is possible to replace the plastering means in the site where the grinding means are combined without replacing the body, remove sediment inside the sewage pipe, cutting the connection pipe and During cutting operation, not only can the cutting or plastering work be carried out in the direction of movement while supporting the predetermined core inside the sewage pipe in the pushed state, but also the center of the device's rotation axis coincides with the center of the sewer pipe under the progression state at the same time. Provides a sewer pipe maintenance device configured to drive the sewage pipe maintenance method using the same.

Sewer pipe, sediment, crushing, plastering, cutter

Description

Apparatus of repairing pipe and repairing method there of it}

1 is a perspective view of a conventional sewage pipe maintenance device.

Figure 2 is a perspective view showing a first embodiment of the sewer pipe maintenance apparatus according to the present invention.

3 is an exploded perspective view of the first embodiment;

Figure 4 is a perspective view showing a second embodiment of the sewer pipe maintenance apparatus according to the present invention.

5 is an exploded perspective view of the second embodiment;

6 is a perspective view showing a third embodiment of the sewer pipe maintenance apparatus according to the present invention;

7 is an exploded perspective view of the third embodiment;

8 is a perspective view showing a fourth embodiment of the sewer pipe maintenance apparatus according to the present invention;

9 is an exploded perspective view of the fourth embodiment;

10 to 13 is a process chart showing a sewer pipe maintenance process using the sewer pipe maintenance apparatus according to the present invention.

* Description of the symbols for the main parts of the drawings *

100: main body 110: front member

120: partition member 130: side member

140: wheel 150: hydraulic motor

200: support means 210: shaft

220: guide 230: fixture

240: sleeve 250: first support member

260: second support member 270: spring

300, 400: grinding means 310, 410: central axis

320: cutter blade 330: outer ring

340: Rim 420, 620: Rotating plate

430: brush 500, 600: hairdressing means

510, 610: transfer pipe 520, 630: rotating body

530: hydraulic motor 540: plastering tool

550: jig 560: cap

570: first plastering 580: second plastering

640: cover first embodiment: 1000

Second Embodiment: 2000 Third Embodiment: 3000

Fourth Embodiment: 4000 Sewer Pipe: P

The present invention relates to a sewage pipe maintenance apparatus and a method, and more particularly, to a sewer pipe maintenance device and a method configured to remove the sediment accumulated in the sewage pipe, as well as to repair damaged parts of the sewage pipe.

In general, sewage pipes are mostly buried underground to discharge various sewage, and after a certain period of time after the establishment or replacement, sewage pipes are stacked on the inner wall with various weights and earth and sand, and these sediments obstruct the flow of sewage. This may cause backflow or odor, so it should be removed regularly.

As a method for cleaning the sewage pipe, there is a method using a jet nozzle for injecting high pressure, and a method of reciprocating towing by passing a basket into the sewage pipe.

Hereinafter, with reference to the accompanying drawings it will be described with respect to the conventional sewage maintenance device.

1 is a perspective view of a conventional sewage pipe maintenance apparatus.

As shown in FIG. 1, a conventional sewage pipe maintenance apparatus includes a main body 10 for wiring and control of each part, a motor 20 coupled to a front surface of the main body 10, and rotational force of the motor 20. Grinding means 30 for crushing the sediment in the sewage pipe by being rotated by being applied, and wheels coupled to both sides of the main body 10 to move the main body 10 in the horizontal direction by rotating by applying the rotational force of the motor 20 ( 40) including.

Crushing means 30 is a cutter for crushing the deposit by being formed of a rotating plate 32 coupled to the rotating shaft of the motor 20 and a high hardness material such as industrial diamond and coupled to the front surface of the rotating plate 32 It consists of a blade 34.

After the user enters the sewer pipe maintenance device into the sewer pipe, the user drives the motor 20 to rotate the grinding means 30 and the wheel 40 to control the sewer pipe maintenance device to crush the sediment while advancing.

However, in the conventional sewage pipe maintenance apparatus having the above structure, when the grinding means rotates, the main body rotates in the opposite direction to the grinding means, so that rolling occurs in the main body, and thus, there is a disadvantage in that the sewage pipe inner wall is formed after the operation.

In addition, one device can remove both the mortar and the sediment containing the mortar inside the sewage pipe at the same time to cut the protruding connecting pipe and to cut the inside of the sewer pipe to a predetermined thickness and the coating operation of the inner surface can not be performed at the same time. In addition, during the removal of sediment inside the sewage pipe, cutting the cutting pipe and cutting work, it is not possible to perform cutting or coating work in the forward direction while supporting a predetermined center of the sewer pipe, and at the same time, The disadvantage is that the center of the device axis of rotation does not coincide with the center of the sewer pipe.

Therefore, the present invention is to solve the above-mentioned problems is provided with a support means for supporting the inner wall of the sewer pipe is prevented from rolling, it is possible to replace the plastering means in the site where the grinding means are combined, without replacing the main body, sewage pipe It is possible to perform cutting or plastering work in the progress direction while supporting the predetermined core inside the sewage pipe in the state of removing sediment inside, cutting the connection pipe, and cutting, and at the same time, the axis of rotation of the device based on the progress direction under the progress state. The present invention provides a sewer pipe maintenance apparatus configured to drive a state in which the center of the sewer pipe coincides with the center of the sewer pipe, and a sewer pipe maintenance method using the same.

The sewage pipe maintenance apparatus of the present invention for achieving the object as described above is largely divided into a grinding and plastering bar, the first and second embodiments to be described later correspond to the grinding, the third embodiment and the third Four examples correspond to plastering.

The crushing sewage pipe maintenance apparatus includes a main body formed in a size and a shape that can be entered into a pipe, support means that adheres to the inner wall of the pipe to support the main body, and deposits deposited on the inner wall of the pipe coupled to the support means. It comprises a grinding means for.

In addition, the apparatus for maintaining a sewer pipe for plastering includes: a main body formed in a size and a shape that can be entered into a pipe, support means that closely adheres to the inner wall of the pipe, and supports the main body; and a plastering means for applying various adhesives or finishes to the inner wall of the pipe. It is configured to include.

On the other hand, the sewage pipe maintenance method using the sewage pipe maintenance device of the present invention, the step of entering the crushing sewage pipe maintenance device into the pipe, and using the crushing means of the sewage pipe maintenance device to crush the sediment stacked on the inner wall of the pipe And brushing the inner wall of the sewer pipe using the grinding means of the sewer pipe maintenance device, entering the sewer pipe maintenance device for the plastering into the pipe, and using the plastering means of the sewer pipe maintenance device. Applying an adhesive or finish to the inner wall.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[First Embodiment]

Figure 2 is a perspective view showing a first embodiment of the sewer pipe maintenance apparatus according to the present invention, Figure 3 is an exploded perspective view of the first embodiment.

As shown in the drawings, the first embodiment 1000 of the crushing apparatus of the sewage pipe maintenance apparatus according to the present invention, the main body 100 is formed in a size and shape that can enter the sewage pipe and the sewage pipe is in close contact with the inner wall It comprises a support means 200 for supporting the main body 100, and the grinding means 300 is coupled to the support means 200 for removing deposits stacked on the inner wall of the sewer pipe.

The main body 100 is located on both sides of the front member 110, the partition member 120 spaced apart a predetermined distance to the rear of the front member 110, and the front member 110 and the partition member 120. It is composed of a pair of side members 130, the shape is formed in a flat letter. In addition, the outer side of the pair of side members 130 are provided with a pair of wheels 140 before and after the side of the main body 100, respectively, so that the entry operation can proceed smoothly, the respective members (110, 120) The internal space formed by the 130 is provided with a hydraulic motor 150 for rotating the grinding means (300).

Here, through holes 162 and 164 penetrating through the members 110 and 120 are formed in the front member 110 and the partition member 120, respectively, through holes 162 formed in the front member 110. ) Is for connecting the crushing means located in front of the front member and the hydraulic motor 150, the through-hole 164 formed in the partition member 120 is a hose, wiring, etc. to be introduced into the main body from the outside In order to reduce the interference to the movement of the main body 100.

The support means 200 is located between the main body 100 and the crushing means 300 to prevent the rolling generated in the main body 100 when the crushing means 300 rotates, the configuration of the main body 100 And a plurality of guides 220 formed in the entry direction of the hollow and hollow inside, a plurality of guides 220 formed in the entry direction of the main body 100 to be in close contact with the inner wall of the sewer pipe, and the shaft 210. A fastener 230 coupled to the outer circumferential surface of the first, a sleeve 240 coupled to be slidable along the shaft 210, and both ends are hinged to the fixture 230 and the guide 220, respectively. The support member 250 and both ends of the sleeve 240 and the second support member 260 are hinged to the first support member 250.

Looking at the components of the support means 200 in more detail, the shaft 210 is hollow inside is formed long in the entry direction of the main body 100, coupled to protrude forward of the front member 110 do. An outer circumferential surface of the shaft 210 is provided with the fixture 230, the sleeve 240, and the spring 270. At this time, both ends of the shaft 210 is coupled to the flange 280 to prevent the fixture 230, the sleeve 240 and the spring 270 is separated.

Components 230, 240 and 270 fixed and coupled to the shaft 210 are coupled in the order of the fixture 230, the sleeve 240, and the spring 270 from the grinding means 300 side. The fixture 230 is provided as a pair, spaced apart in the longitudinal direction of the shaft 210 in order to maintain the horizontal of the guide 220. Here, three pairs of coupling protrusions 232 and 242 are radially formed on the outer circumferential surfaces of the fixture 230 and the sleeve 240, respectively.

Both ends of the first support member 250 are hinged to the coupling protrusion 232 and the guide 220 of the fixture 230, and the second support member 260 is coupled to the sleeve 240. Hinge coupled to the stop portion of the protrusion 242 and the first support member 250, respectively. At this time, the sleeve 240 is configured to be in close contact with the fixture 230 by the spring 270, when the sleeve 240 is in close contact with the fixture 230, the second support member 260 is the first support By rotating the member 250, the guide 220 is extended to closely contact the inner wall of the sewer pipe.

On the other hand, the support means 200 is further provided with a guide roller 290 capable of rolling movement to minimize friction between the guide 220 and the inner wall of the sewer pipe.

In the first exemplary embodiment 1000, three sets of guides 220, a first support member 250, and a second support member 260 are provided for each fixture 230, but the guide 220 and each support member are provided. The number of 250 and 260 is not limited thereto, and may be variously changed according to the number of coupling protrusions 232 formed in the fixture 230.

The grinding means 300 has a central axis 310 coupled to the rotating shaft 152 of the hydraulic motor 150 through the support means 200, and a plurality of cutter blades 320 is the main body 100 The outer ring 330 is formed in the entrance direction of the, and the rim 340 is formed radially inside the outer ring 330. In this case, the cutter blade 320 is detachably coupled to the outer ring 330.

In addition, another embodiment 300a of the grinding means 300 of the first embodiment 1000 is shown in "A" of FIG. 3, and as shown in the drawing, the other embodiment of the grinding means 300 is shown. The embodiment 300a includes a central shaft 310a coupled to the rotation shaft 152 of the hydraulic motor 150 through the support means 200, and an outer ring 330a spaced apart from the central shaft 310a by a predetermined distance. And a rim 340a formed radially inside the outer ring 330a. At this time, the cutter blade 320a is provided on both the outer ring 330a and the rim 340a, but is integrally formed with the outer ring 330a and the rim 340a.

Here, the cutter blades 320 and 320a provided in the grinding means 300 and 300a are formed of a material having a high hardness, such as industrial diamond, so as to grind the deposit more effectively.

On the other hand, the central shaft (310, 310a) of the grinding means (300, 300a) is coupled to the rotational axis 152 of the hydraulic device 150 so as to be rotatable, the coupling method exists because there are a variety of known methods Detailed description thereof will be omitted.

Second Embodiment

Figure 4 is a perspective view showing a second embodiment of the sewer pipe maintenance apparatus according to the present invention, Figure 5 is an exploded perspective view of the second embodiment.

As shown in the drawings, the second embodiment 2000 of the crushing apparatus of the sewage pipe maintenance apparatus according to the present invention, the main body 100 is formed in a size and shape that can enter into the sewer pipe, and in close contact with the inner wall of the sewer pipe It comprises a support means 200 for supporting the main body 100, and the grinding means 400 is coupled to the support means 200 for removing deposits stacked on the inner wall of the sewer pipe.

Here, the main body 100 and the support means 200 of the second embodiment 2000 have the same configuration as the first embodiment 1000, and thus a detailed description thereof will be omitted.

The crushing means 400 is to improve adhesion of various adhesives or finishes applied to the inner wall of the sewage pipe from which the sediment is removed, and the sewage pipe from which the sediment is removed by the crushing means 300 of the first embodiment 1000. Brushing or scratching the inner wall of the sewage pipe is added to the.

The grinding means 400 is a central shaft 410 coupled to the rotary shaft 152 of the hydraulic motor 150 through the support means 200, and a rotating plate formed at the front end of the central shaft 410 ( 420 and a brush 430 coupled to protrude outwardly of the rotating plate 420. In this case, a plurality of coupling holes 422 are radially formed in the rotating plate 420, and the brush 430 is inserted into and fixed to the coupling holes 422.

On the other hand, as described above, the brush 430 is coupled to partially protrude to the outside of the rotating plate 420. In other words, the outer circumferential surface of the brush 430 is coupled to protrude further outward than the outer circumferential surface of the rotating plate 420. When the rotating plate is rotated the brush is in contact with the inner wall of the sewer pipe to brush.

Here, although the six brushes 430 are illustrated to be coupled to the rotating plate 420 in the present embodiment, the number of the brushes 430 is not limited thereto and may be variously changed according to a user and a purpose. .

The central shaft 410 of the crushing means 400 is also coupled to the rotary shaft 152 of the hydraulic device 150 so as to be rotatable, the coupling method has a variety of known methods therefor a detailed description thereof It will be omitted.

Third Embodiment

Figure 6 is a perspective view showing a third embodiment of the sewer pipe maintenance apparatus according to the present invention, Figure 7 is an exploded perspective view of the third embodiment.

As shown in the drawing, the third embodiment 3000 of the crushing apparatus of the sewage pipe maintenance apparatus according to the present invention includes a main body 100 and a sewage pipe inner wall which are formed to have a size and a shape that can enter the sewage pipe. It comprises a support means 200 for supporting the main body 100 and a plastering means 500 for applying various adhesives or finishes to the inner wall of the sewer pipe.

Here, the main body 100 and the support means 200 of the third embodiment 3000 have the same configuration as that of the first embodiment 1000 and the second embodiment 2000. It will be omitted.

The plastering means 500 is formed in a hollow along the central axis of the sewer pipe to allow the introduction of various adhesives or finishing materials including mortar from the outside, and the opening 512 is formed on the side wall to enable the ejection of the adhesive or finishing material to the inner wall of the sewer pipe. Transfer tube 510 is formed, the rotating body 520 is coupled to the outer surface of the transfer pipe 510 in a structure capable of individual rotation, and connected to the rotating body 520 by various power transmission means including a chain It comprises a hydraulic motor 530 and a plastering tool 540 coupled to the rotating body 520 in the entry direction of the main body 100.

Adhesives or finishes used in various applications depending on the user and the use in the sewage pipe application, but mortar kneaded with cement and water is most commonly used in the following description, the adhesive or finish is referred to collectively as mortar.

Looking at the configuration of the plastering tool 540 in more detail, a jig 550 is provided with a plurality of fastening grooves 552 formed radially around the transfer pipe 510 and a predetermined depth along the inner surface. The groove 562 is formed with a nozzle 564 is in communication with the groove 562 is provided with a cap 560 coupled to surround the opening 512 of the transfer pipe 510 in a structure capable of individual rotation And a first plasterboard 570 configured to control an amount of mortar that is communicated with the nozzle 564 and communicated with the recess 562, and ejected from the first plasterboard 570. It includes two second plastering plate 580 coupled to the fastening groove 552 of the jig 550 so that the mortar is evenly and evenly applied.

In this case, the three plasterboards 570 and 580 are coupled at an angle of 120 °, but the number and coupling angles of the plasterboard are not limited thereto and may be variously changed.

On the other hand, the first plasterboard 570 and the first plate 574 is formed with a blow hole (572) is formed so that the mortar that is introduced through the nozzle 564 as shown in "B" of FIG. And a second plate 576 sliding to open and close the blow hole 572 and a third plate 578 spaced apart from the first plate 574 at a predetermined interval.

Here, the second plate 576 is a triangular groove is formed at a position corresponding to the blowing hole 572, the coupling hole formed on both sides for coupling with the first plate 574 and the third plate (578) It is formed with long holes. Therefore, when the second plate 576 is moved up and down, the size of the jet hole 572 is adjusted, so that the amount of mortar that is ejected can be adjusted. In addition, when the separation distance is changed by adding a washer between the first plate 574 and the third plate 578, the thickness of the mortar that is ejected may also be adjusted.

Looking at the process of applying the mortar is as follows.

Mortar is introduced from the outside through the transfer pipe 510, the mortar introduced through the transfer pipe 510 is transferred to the cap 560 through the opening 512 of the transfer pipe 510, and the nozzle 564. It is transferred to the first plasterboard 570 via). The amount of mortar that is ejected by the second plate 576 is controlled, and is uniformly ejected to a thickness of the first plate 574 and the third plate (578) as the spaced apart. The second plasterboard 580 is rotated to complete the process by applying the mortar ejected through the first plasterboard 570 to the inner wall of the tube.

[Example 4]

Fig. 8 is a perspective view showing a fourth embodiment of the sewer pipe maintenance apparatus according to the present invention, and Fig. 9 is an exploded perspective view of the fourth embodiment.

As shown in the drawings, the fourth embodiment 4000 of the crushing apparatus of the sewage pipe maintenance apparatus according to the present invention includes a main body 100 and a sewage pipe inner wall which are formed to have a size and shape that can enter the sewage pipe. It comprises a support means 200 for supporting the main body 100 and a plastering means 600 for applying the mortar to the inner wall of the sewer pipe.

Here, the main body 100 and the support means 200 of the fourth embodiment 4000 have the same configuration as the first embodiment 1000, the second embodiment 2000, and the third embodiment 3000. As such, detailed description thereof will be omitted.

The plastering means 600 is a transport pipe 610 is formed to be hollow to allow the introduction of mortar from the outside, a rotating plate 620 formed in the front end of the transport pipe 610, and the transport pipe 610 ) And a rotating body 630 in which mortar is temporarily stored, and a cover 640 for controlling the ejection amount of the mortar. The rotating body 630 is formed in a rectangular cross section, the opening 632 is formed on both sides of the horizontal direction, the cover 640 is hinged to the opening 632. That is, when the rotating body 630 rotates, the cover 640 is opened around the hinge by centrifugal force, and the opening amount increases as the rotation speed of the rotating body 630 increases. Therefore, the plastering means 600 may open or close the cover 640 by the rotation of the rotating body 630, and adjust the amount of mortar ejected by adjusting the rotational speed of the rotating body 630. .

On the other hand, in the embodiment 4000, the cross-sectional shape of the rotating body 630 is illustrated as a square, but is not limited to this can be produced in a circular or other shapes. In addition, a plurality of coupling holes 622 are formed in the rotation plate 620, and the brush 430 illustrated in the second embodiment 2000 may be additionally mounted.

The transfer pipe 610 of the plastering means 600 is also coupled to the rotary shaft 152 of the hydraulic device 150 so as to be rotatable, the coupling method has a variety of methods known in the detailed description thereof It will be omitted.

10 to 13 is a process diagram showing a sewer pipe maintenance process using the sewer pipe maintenance apparatus according to the present invention. Referring to the drawings, a sewer pipe maintenance method using the sewer pipe maintenance apparatus according to the present invention will be described below.

The sewer pipe maintenance method using the sewer pipe maintenance apparatus according to the present invention comprises the steps of entering the first embodiment (1000) into the sewer pipe (P); Pulverizing the deposit deposited on the inner wall of the sewer pipe (P) using the crushing means (300) of the first embodiment (1000); Brushing the inner wall of the sewer pipe (P) by using the grinding means (400) of the second embodiment (2000); Entering the third embodiment (3000) through the fourth embodiment (4000) into the sewer pipe (P); The third embodiment (3000) to the fourth embodiment (4000) using the step of applying an adhesive or finish to the inner wall of the sewer pipe (P).

In more detail, as shown in FIG. 10, the first embodiment 1000 is introduced into the sewage pipe P in order to crush deposits accumulated in the sewage pipe P. Operating the grinding means 300 of the first embodiment 1000 entered and proceeding the first embodiment 1000 in the direction of the arrow of the drawing along the sewer pipe (P), the sewage pipe by the grinding means 300 (P) Sediments inside are removed.

When the grinding operation of the deposits according to the first embodiment 1000 is completed, the second embodiment 2000 is introduced into the sewer pipe P as shown in FIG. 11, and the second embodiment ( The inner wall of the sewer pipe P is brushed or scratched by operating the grinding means 400 of 2000 and advancing the second embodiment 2000 along the sewer pipe in the direction of the arrow. The reason for brushing or scratching as described above is to improve the adhesiveness of various adhesives or finishes applied to the inner wall of the sewer pipe (P) during the post-working plastering work.

When the brushing or scratching operation according to the second embodiment 2000 is completed, as shown in FIGS. 12 to 13, the plastering means 500 and 600 are coupled to repair the damaged portion in the sewer pipe P. After entering the third embodiment (3000) or the fourth embodiment (4000) by operating the plastering means (500, 600) to apply the mortar to the sewer pipe (P) inner wall to maintain the sewage pipe using the sewage pipe maintenance apparatus of the present invention and The maintenance work is completed.

As described above, the configuration, operation and process of the sewage pipe maintenance apparatus and the method according to the preferred embodiment of the present invention are shown in accordance with the above description and drawings, but this is merely described as an example and the technical spirit of the present invention. Those skilled in the art will appreciate that various changes and modifications can be made without departing.

The sewage pipe maintenance apparatus of the present invention as described above is provided with a supporting means for supporting the inner wall of the sewage pipe to prevent rolling generated in the main body during the crushing operation, so that the cutting and plastering work inside the sewage pipe is performed using one device. It has the advantage of improving economics and constructability. In addition, since the center of the sewage pipe and the center of the cutting and coating device are driven in the same state, precise cutting and plastering work is performed, and thus an effect of improving the quality is expected.

Claims (16)

A main body formed in a size and a shape that can be entered into the tube; Support means in close contact with the inner wall of the tube to support the main body; Grinding means coupled to the support means for removing deposits deposited on the inner wall of the tube; Sewer pipe maintenance device characterized in that comprises a. The method of claim 1, The support means, sewage pipe maintenance device characterized in that it is composed of a shaft extending in the entry direction of the main body, and a plurality of guides coupled radially expandable about the shaft to be in close contact with the inner wall of the pipe. The method of claim 2, A first support member having both ends hinged to the shaft and the guide, respectively, and a second support member hinged to both ends of the shaft and the first support member, respectively, the second support member One end of the sewage pipe maintenance device, characterized in that coupled to move in the longitudinal direction of the shaft. The method of claim 3, wherein One end of the second support member further includes a sleeve, the sewer pipe maintenance apparatus, characterized in that the guide is extended or contracted radially by the movement of the sleeve. The method of claim 4, wherein The sewer pipe maintenance device further comprises a spring for applying an elastic force to the sleeve in the direction in which the guide extends. The method of claim 5, wherein Sewer pipe maintenance device characterized in that the guide roller is further provided coupled to the structure capable of rolling movement. The method according to any one of claims 1 to 6, The crushing means is a sewer pipe maintenance device, characterized in that the plurality of cutter blades are formed with an outer ring formed in the entry direction of the main body, and a rim formed radially inside the outer ring. The method according to any one of claims 1 to 6, The crushing means is a sewage pipe maintenance device, characterized in that consisting of a rotating plate rotatably coupled to the main body, and a brush coupled to protrude to the outside of the rotating plate. A main body formed in a size and a shape that can be entered into the tube; Support means in close contact with the inner wall of the tube to support the main body; Plastering means for applying various adhesives or finishes to the inner wall of the tube; Sewer pipe maintenance device characterized in that comprises a. The method of claim 9, The plastering means, the opening is formed in the side wall surface and the transfer pipe is formed in a hollow so that the adhesive or the finishing material supplied from the outside, the rotating body coupled to the structure capable of rotating the transfer tube and the rotating body, Sewerage pipe maintenance device, characterized in that consisting of the plastering tool to be coupled. The method of claim 10, The plastering tool includes a jig in which a plurality of fastening grooves are radially formed, a cap coupled to surround the opening of the transfer pipe, and coupled to the transfer pipe in a structure capable of rotating independently, and a US coupled to the fastening groove. Sewer pipe maintenance device, characterized in that consisting of a jangpan. The method of claim 11, The plasterboard is composed of a first plasterboard in communication with the opening to eject the adhesive or finish to the outside, and a sewage pipe characterized in that the second plasterboard to apply the adhesive or finish ejected from the first plasterboard Maintenance device. The method of claim 12, The first plastering plate may include a first plate formed with a connecting tube communicating with the opening, a second plate coupled to the first plate at a predetermined interval, and a sliding between the first plate and the second plate. The sewer pipe maintenance device, characterized in that consisting of a third plate that is possibly coupled. The method of claim 9, The plastering means may include a transfer tube having an opening formed in the sidewall and hollowed out so that the adhesive or the finishing material supplied from the outside may be transferred, and a communication hole communicating with the transfer tube and having a predetermined space therein and having openings formed at both sides thereof. The sewage pipe maintenance device, characterized in that consisting of a cover coupled to the whole and opening and closing the opening. The method of claim 14, The cover is a sewer pipe maintenance device, characterized in that the hinge is coupled to open and close automatically when the rotating body rotates. Entering the sewer pipe maintenance device according to any one of claims 1 to 8 into the pipe; Pulverizing the deposit deposited on the inner wall of the pipe by using the grinding means of the sewer pipe maintenance device; Brushing the inner wall of the sewage pipe using the grinding means of the sewage pipe maintenance device; Entering the sewer pipe maintenance device according to any one of claims 9 to 15 into the pipe; Applying an adhesive or finishing material to the inner wall of the pipe by using plastering means of the sewer pipe maintenance device; Sewer pipe maintenance method characterized in that consisting of.

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