KR20160059946A - Torsion-proof pipeline Unscraped inner part Repair method - Google Patents

Torsion-proof pipeline Unscraped inner part Repair method Download PDF

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Publication number
KR20160059946A
KR20160059946A KR1020150119989A KR20150119989A KR20160059946A KR 20160059946 A KR20160059946 A KR 20160059946A KR 1020150119989 A KR1020150119989 A KR 1020150119989A KR 20150119989 A KR20150119989 A KR 20150119989A KR 20160059946 A KR20160059946 A KR 20160059946A
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KR
South Korea
Prior art keywords
partial
resin
impregnated
pipeline
repair
Prior art date
Application number
KR1020150119989A
Other languages
Korean (ko)
Inventor
홍석인
김용규
유정식
Original Assignee
홍석인
세림토건주식회사
유정식
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Publication date
Application filed by 홍석인, 세림토건주식회사, 유정식 filed Critical 홍석인
Publication of KR20160059946A publication Critical patent/KR20160059946A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
    • F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
    • F16L55/1654—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being inflated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

The present invention relates to a partial repairing method of the inner surface of an anti-distortion trenchless pipeline, comprising the steps of: cleaning a pipeline; winding a separator around an outer surface of a partial repairing device; impregnating a partial repair material with a resin; winding the resin-impregnated partial repair material around an outer surface of the separator and fixing the same; abolishing and amalgamating a cross portion abolished and amalgamated by winding an anti-distortion band around an outer surface of the resin-impregnated partial repair material, by allowing the same to pass through a container-shaped release adjusting pin in a crossing manner in a reverse direction and appropriately pressing the container-shaped release adjustment pin by a compression thickness adjustment compression tool to fix the same; moving the partial repairing device in which the anti-distortion band is wound around the outer surface of the resin-impregnated partial repair material in a fastened state to a repair target position; injecting air pressure to enlarge diameter of the anti-distortion band fastened to the outer surface of the resin-impregnated partial repair material wound around the partial repairing device such that the anti-distortion band can be unwound in an appropriately compressed state within the container-shaped release adjustment pin; curing the resin-impregnated partial repair material; removing air pressure from the partial repairing device; removing the partial repairing device from the pipeline; and completing repair.

Description

Torsion-free pipeline Unscratched inner part repair method {omitted}

The present invention relates to a method for repairing unreinforced parts of pipelines including a sewage pipe and a water pipe by injecting air pressure into a partial repair device surrounding the partial repair material, Untreated inner surface part repairing method in which air pressure is injected and expanded to be released in a compressed state in a tubular release adjusting pin so as to prevent distortion of the part repairing material.

The pipeline including the sewer pipe and the hydrographic pipe is 2.5 meters in length, regardless of the size of the pipe, so that the vehicle can be transported. In the irregular ground where the soil and the rock are mixed, So that a gap and a step are generated in each joint portion of the pipeline. Thus, in the aspect of maintenance, the outer surface of the partial repair device is mainly wrapped around the liquid FFP maintenance material impregnated with glass fiber, And then air pressure is injected into the partial maintenance apparatus to adhere to the inner wall of the pipeline to be cured and repaired.

In the case of the conventional partial repairing apparatus and the pipe repairing method using the pipe repairing method, in the process of attaching the partial repairing material wrapped around the outer surface of the partial repairing apparatus to the inner surface of the pipe joint portion, There is a problem that the end portion of the part repairing material is not smooth and the flow of the running water may be obstructed because the overlapping portions of the both end portions are twisted in the longitudinal direction of the part repairing material.

According to the present invention, in the process of piercing unshrunk drilled portions, in the process of injecting air pressure into a partial repair device surrounding the partial repair material, the anti-warp band fastened to the outer surface of the partially- It is an object of the present invention to improve repair quality by applying air pressure so as to be released in a properly compressed state in a pin so as to enlarge the diameter of the part repair material so as to prevent warpage of both edges of the overlapping part.

The present invention provides a process for cleaning a pipeline unreachable part, comprising the steps of cleaning the pipeline, surrounding the separating material on the outer surface of the partial repair device after the process of cleaning the pipeline, A step of impregnating the repair material with a resin; a step of wrapping and fixing the resin-impregnated partial repair material on the outer surface of the separating material after the step of impregnating the resin into the partial repair material; After the process is completed, the anti-twist bands are wrapped around the outer surface of the resin-impregnated part repairing material, and the intersection is closed while crossing in the reverse direction through the tubular release adjusting pin and the tubular release adjusting pin is pressed by pressing with a crimping thickness adjusting press tool A step of fixing the anti-warp band, a step of fixing the anti- A step of moving the partially-repairing device surrounded by the anti-twist bands to the maintenance target position on the outer surface of the part repairing device, and a step of moving the partial repairing device to the maintenance- A step of injecting the air pressure so as to be released in a state in which the anti-twist band fastened to the outer surface of the tubular release adjusting pin is properly compressed in the tubular release adjusting pin, and a step of hardening the partial repair material impregnated with resin after the step of enlarging the partial repair device A step of pneumatic pressure removal in a partial repair apparatus after the step of curing the resin-impregnated part repair material, a step of withdrawing the partial repair apparatus after the step of removing air pressure from the partial repair apparatus to the outside of the pipeline, To the outside of the pipeline, and then completing the repair And a gong.

In the process of injecting air pressure into a part repairing device surrounded by a partial repairing material, the anti-warp band fastened to the outer surface of the partial repairing material wrapped around the partial repairing device is compressed in the tubular release adjusting pin, It is a very useful invention to improve the maintenance quality by constructing the part repairing material so as to prevent the warpage of both edges of the overlapping part of the part repairing material.

1 is a cross-sectional view of a portion of a pipeline unguarded inner surface partial repair method according to the present invention which is located in a pipe joint portion.
2 is an enlarged view of A in Fig.
Figure 3 is a cross-sectional view of BB of Figure 1;
Fig. 4 is a cross-sectional view of a state in which a torsion bar is fastened to the outer surface of a partial repairing material surrounded by a partial repair device positioned in a pipe joint portion in a longitudinal direction. Fig.
5 is an enlarged cross-sectional view of a twisting zone;
Fig. 6 is an enlarged view of Fig. 5 before pressing the tubular adjustment pin against C; Fig.
Fig. 7 is an enlarged view of the tubular adjustment pin of Fig. 6 after being properly pressed by a crimping thickness adjusting press tool; Fig.
FIG. 8 is an enlarged view of FIG. 5D. FIG.
Figure 9 is a cross-sectional view of EE of Figure 6;
10 is a conceptual cross-sectional view of a partial repair article.
11 is a view showing a construction process of a part repair method of a pipe-untrimmed inner surface which can be prevented from being warped according to the present invention.

The present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 is a cross-sectional view of a torsionally-tapered pipe untapered inner surface partial repair method according to the present invention, which is located in a pipe joint portion, Fig. 2 is an enlarged view of Fig. 1, Fig. 3 is a cross- Fig. 4 is an enlarged cross-sectional view showing a state in which a torsion bar is fastened to the outer surface of the partial repairing member surrounded by the partial repair device in the longitudinal direction, Fig. 5 is an enlarged sectional view of the torsion bar, Fig. 7 is an enlarged view of the tubular adjustment pin shown in Fig. 6 after the tubular adjustment pin is pressed by a crimping thickness adjusting press tool, Fig. 8 is an enlarged view of Fig. 5 Fig. 9 is a cross-sectional view of EE of Fig. 6, Fig. 10 is a conceptual cross-sectional view of the partial repair material, and Fig. 11 is a view showing a construction process of a torsion-proof pipe irrigation inner surface partial repair method of the present invention.

The present invention relates to a method of cleaning a pipeline un-drilled part, comprising the steps of cleaning the pipeline 1 as shown in Fig. 11, separating the outer surface of the partial repair device 5 after the step of cleaning the pipeline 1, A step of winding the member 27 around the separating member 27 and a step of impregnating the member 33 to the partial repairing material 29 composed of the repairing fibers 31 as shown in Fig. A step of wrapping and fixing the partial maintenance material 29 impregnated with the resin 33 on the outer surface of the separating material 27 after the process of impregnating the partial repair material 29 with the resin 33, After the process of wrapping and fixing the partially-fixed repair material 29 on the outer surface of the separating material 27, the anti-warp band 35 is wrapped around the outer surface of the partially-impregnated part repair material 29, The adjustment pin 39 is inserted into the adjustment pin 39 while crossing the adjustment pin 39 in the reverse direction, A bending prevention band 35 is provided on the outer surface of the portion 33 of the impregnated resin 33 after the step of fixing the bending prevention band 35 by properly pressing the bending band 35 with the adjustment pressing tool 47 A step of moving the partially-repairing apparatus (5) surrounded in a fastened state to a maintenance target position; a step of moving the partially-repairing apparatus (5) ) A step of injecting air pressure so as to expand the anti-warp band (35) fastened to the outer surface of the impregnated part repair material (29) in a state of being properly compressed in the tubular release adjustment pin (39) A step of curing the partial repair material 29 impregnated with the resin 33 after the step of expanding the resin material 5 and a step of curing the partial repair material 29 impregnated with the resin 33, And a step of removing said partial repair device (5 , A step of withdrawing the partial maintenance apparatus (5) after the step of removing air pressure from the pipeline (1) to the outside of the pipeline (1), a step of completing maintenance after the step of withdrawing the partial maintenance apparatus .

1 to 3, the partial repair apparatus 5 includes a hollow tubular pipe 6 having a predetermined length in the longitudinal direction, a hollow pipe 6, and an outer surface of the tubular pipe 6, (5) is positioned at a center position from the inner surface of the channel (1) at both side portions of the tubular pipe (6) A wheel 9 mounted on one end of the wheel mounting member 8 and a wheel 9 mounted on one side of the elastic tube 7, And a traction line 13 including a sling provided on both side portions of the tubular pipe 6, respectively.

As shown in FIGS. 4 to 9, the torsion spring 34 is made of a tubular steel plate or a stainless steel plate at both ends thereof. The torsion spring 34 has a diameter slightly larger than the diameter of the anti- And a tubular release adjustment pin 39. The tubular release adjustment pin 39 includes an iron plate or a stainless steel plate and includes a bending prevention band 35 and a tubular release adjustment pin 39 which fix the release anchor 41 to enclose the anti- And a plurality of longitudinal linear protrusions 43 are provided in the longitudinal direction inside the tubular body. The tubular body is constructed such that on the outer surface of the partial repair device 5, The outer surface of both edges of the impregnated part repairing material 29 is formed as a line including a wire or a fiber or a synthetic fiber line made of a non-stretchable material, In the state of being surrounded by the anti-fouling band 35, the lapped portion is appropriately pressed by the compression thickness adjusting press tool 47 having the compression thickness adjusting chin 45 of the height corresponding to the compression thickness so as to be loosened to a somewhat tight state, The length of the anti-torsion band 35 is equal to the inner diameter of the corresponding channel 1, and the length of the anti-torsion band 35 is longer than the circumferential length of the channel 1 The above was configured not to be solved.

It should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

1: Pipeline 2: Joints
3: Step 5: Partial repair device
6: Tubular pipe 7: Elastic tube
8: wheel mounting member 9: wheel
11: air pressure injection hose 13: traction line
27: Separator 29: Partial repair material
31: repair fiber 33: resin
34: Distortion zone 35: Distortion band
39: Tubular release adjustment pin 41: Release stop anchor
43: longitudinal linear protruding jaw 45: crimping thickness adjusting jaw
47: Crimp thickness adjustment Crimp tool

Claims (1)

In carrying out the repair of the unguarded part of the pipeline,
A step of cleaning the channel,
A step of winding a separating material around the outer surface of the partial repair apparatus after the step of cleaning the pipeline,
A step of impregnating the partial maintenance material with a resin after the step of winding the separating material around;
A step of wrapping and fixing the resin-impregnated partial repair material on the outer surface of the separating material after the step of impregnating the resin into the partial repairing material,
After the step of wrapping and fixing the resin-impregnated part repairing material on the outer surface of the separating material, an anti-warp band is wrapped around the outer surface of the resin-impregnated part repairing material, and the intersection is closed while crossing in the reverse direction, A step of pressing the adjusting pin appropriately by pressing with a pressing thickness adjusting and pressing tool,
A step of moving the partial repair device surrounded by the anti-twist band on the outer surface of the resin-impregnated part repairing material to the maintenance target position after the step of fixing the anti-warp band,
After the step of moving the partial repairing device to the maintenance target position, air pressure is injected so that the anti-warp band fastened to the outer surface of the resin-impregnated part repairing material wrapped around the partial repairing device is properly compressed in the tubular release adjusting pin A step of enlarging,
A step of curing the partial repair material impregnated with resin after the step of enlarging the partial repair device,
A step of removing air pressure from a partial repair device after the step of hardening the resin-impregnated part repair material,
A step of withdrawing the partial maintenance apparatus after the step of removing air pressure from the partial maintenance apparatus to the outside of the pipeline,
And a step of completing maintenance after the step of withdrawing the partial repair device to the outside of the pipeline.
KR1020150119989A 2014-11-19 2015-08-26 Torsion-proof pipeline Unscraped inner part Repair method KR20160059946A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20140161335 2014-11-19
KR1020140161335 2014-11-19

Publications (1)

Publication Number Publication Date
KR20160059946A true KR20160059946A (en) 2016-05-27

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861488B1 (en) * 2017-09-29 2018-06-29 (유)탑환경건설 Repair and repair method of water supply and sewerage system
CN108591614A (en) * 2018-05-15 2018-09-28 上海煤气第管线工程有限公司 Multi-pipe crossing construction method in combustion gas old pipeline
KR102073510B1 (en) 2019-02-25 2020-02-04 유정식 Construction conditions Acceptable partial repair material and internal repair method using the same
CN111365567A (en) * 2020-04-08 2020-07-03 天津太合节能科技有限公司 Heat-insulation winding device and method for soft material of steam heat-insulation pipe
KR20220073361A (en) 2020-11-26 2022-06-03 영우이노텍 주식회사 Pipe inner partial repair material and repairing method of pipe inner using it

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861488B1 (en) * 2017-09-29 2018-06-29 (유)탑환경건설 Repair and repair method of water supply and sewerage system
CN108591614A (en) * 2018-05-15 2018-09-28 上海煤气第管线工程有限公司 Multi-pipe crossing construction method in combustion gas old pipeline
KR102073510B1 (en) 2019-02-25 2020-02-04 유정식 Construction conditions Acceptable partial repair material and internal repair method using the same
CN111365567A (en) * 2020-04-08 2020-07-03 天津太合节能科技有限公司 Heat-insulation winding device and method for soft material of steam heat-insulation pipe
KR20220073361A (en) 2020-11-26 2022-06-03 영우이노텍 주식회사 Pipe inner partial repair material and repairing method of pipe inner using it

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