KR20080095358A - Surface treatment device for pipe - Google Patents

Surface treatment device for pipe Download PDF

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Publication number
KR20080095358A
KR20080095358A KR1020070039687A KR20070039687A KR20080095358A KR 20080095358 A KR20080095358 A KR 20080095358A KR 1020070039687 A KR1020070039687 A KR 1020070039687A KR 20070039687 A KR20070039687 A KR 20070039687A KR 20080095358 A KR20080095358 A KR 20080095358A
Authority
KR
South Korea
Prior art keywords
blades
cast iron
motor
lining
bracket
Prior art date
Application number
KR1020070039687A
Other languages
Korean (ko)
Inventor
권택중
Original Assignee
중앙산업 (주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 중앙산업 (주) filed Critical 중앙산업 (주)
Priority to KR1020070039687A priority Critical patent/KR20080095358A/en
Publication of KR20080095358A publication Critical patent/KR20080095358A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
    • 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
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2209/00—Details of machines or methods for cleaning hollow articles
    • B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
    • B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
    • B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
    • 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
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/10—Treating the inside of pipes
    • F16L2101/18—Lining other than coating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Coating Apparatus (AREA)

Abstract

The present invention is composed of a body, a motor for rotating the shaft installed therein with the power applied from the outside, and a cable connected to one side of the motor to transfer the external power to the motor, is inserted into the inner diameter of the steel pipe and cast iron pipe In the apparatus for removing the scale of the inner diameter of the steel pipe and cast iron pipe, the coating layer of the coating layer and lining the inner diameter for lining, the bracket is installed on the outer circumferential surface of the shaft, the hinge is fastened to one side of the bracket, the curve Branches are manufactured in a semi-circular shape, the blades being expanded and rotated by the rotational centrifugal force of the motor, a connecting rod formed at a central portion between the blades and connecting the blades, and provided at the ends of the blades to scale and coal enamel. Rotating and removing the surface for lining while in contact with the film removal layer It is composed of a scraper scraping the scale and the coating layer of the function, and is provided on one side of the bracket, characterized in that it further comprises a spring connected to one end connected to the connecting rod elastically pulling the blade.

Description

Surface treatment device for lining steel pipes and cast iron pipes {SURFACE TREATMENT DEVICE FOR PIPE}

1 is a three-dimensional view showing a surface treatment apparatus for the lining of steel pipes and cast iron pipes according to a preferred embodiment of the present invention.

Figure 2 is an exploded cross-sectional view showing a surface treatment apparatus for the lining of the inventors steel pipe and cast iron pipe.

3 and 4 is a cross-sectional view showing a state of use of the surface treatment apparatus for the lining of the inventors steel pipe and cast iron pipe.

<Description of the symbols for the main parts of the drawings>

10: body 12: motor

14: cable 18: bracket

20: blade 24: scraper

26: white paper 28: spring

30: support 32: roller

34: steel pipe 36: coating layer

The present invention relates to a surface treatment device (also called an air turbine) for the lining of steel pipes and cast iron pipes, and more particularly used in the old pipe of 100m-1200m, and the blade spread by the centrifugal force of the motor, and fastened to the end of the blade Rotate around the axis to remove the inner diameter scale and coating layer of steel pipes and cast iron pipes in accordance with the specifications of SIS (Swedish Standards Association) SIS-St1 to SIS-St3, as well as to set the pretreatment for lining. The present invention relates to a surface treatment apparatus for lining of steel pipes and cast iron pipes.

In general, a pipe that flows a fluid containing water (hereinafter referred to as a "steel pipe and a cast iron pipe") generates scale due to corrosion, etc. in the inner diameter of the pipe as the number of years of embedding elapses. In this case, as well as reducing the flow velocity in the water, as well as various problems such as water leakage and deterioration of water quality due to the breakage of the pipe, the rehabilitation method of the aging water pipes are carried out at regular intervals to solve this problem.

Examples of the method for regenerating the steel pipe include a customs method, a cleaning method and a lining method.

The cleaning method is a method of spraying a high pressure water jet or scraper to the inner diameter of the steel pipe to remove and remove the coating layer coated on the inner diameter of the steel pipe. In this case, as the material of the coating layer, usually, coaltal enamel or liquid epoxy is used.

However, the water jet mainly used in the conventional cleaning method uses a high pressure injection pressure to desorb the coating layer, but this removal method always leaves the remaining coating layer to clean the steel pipe inner diameter more cleanly. There was no downside.

Therefore, the present invention for solving the problems as described above is capable of removing the scale and coating layer of the inner diameter without leaving the scale and coating and enamel removal of the steel pipe and cast iron pipe, surface roughness and appropriate steel pipe for lining and The present invention provides a surface treatment apparatus for lining cast iron pipes.

In addition, the present invention provides a surface treatment apparatus for the lining of steel pipes and cast iron pipes to increase the space utilization by using the blade spread by the centrifugal force.

The present invention for achieving the above object is composed of a body, a motor for rotating the shaft installed therein with the power applied from the outside, and a cable connected to one side of the motor to transfer external power to the motor, steel pipe And a bracket installed on an outer circumferential surface of the shaft, the apparatus being inserted into an inner diameter of the cast iron pipe to remove the scale of the inner diameter of the steel pipe and the cast iron pipe and the coating layer of the coating layer, and the surface treatment of the inner diameter for lining. Blades fastened by a hinge and manufactured in a semicircular shape having a curved shape, which are expanded and rotated by a rotational centrifugal force of the motor, a connecting rod formed at a central portion between the blades and connecting the blades, and an end portion of the blade. Rotated in contact with the scale and the coating layer of the enamel coating, the scale and the coating film A is composed of a scraping scraper, characterized in that further comprising: a spring that is holding the one end portion connected to the stem provided at one side of the bracket by pulling the blade elastically.

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

First, referring to FIGS. 1 and 2, a surface treatment apparatus for lining steel pipes and cast iron pipes of the present invention is largely divided into a body 10 and a motor 12.

The support 30 is provided at the center of the outer circumferential surface of the body 10. The support 30 is in close contact with the inner diameter of the steel pipe and cast iron pipe 34 when the surface treatment device for lining the steel pipe and cast iron pipe of the present invention is inserted into the steel pipe and cast iron pipe 34 lining of the steel pipe and cast iron pipe It supports and centers the surface treatment device for the system. At this time, the end of the support 30 is provided with a roller 32, the roller 32 is to facilitate the movement before and after the device.

On the other hand, the motor 12 is a cable 14 is connected to one side, the shaft 16 is installed therein, wherein the shaft 16 is provided inside the motor 12, part of the motor It is provided to be exposed to the outside of the (12) is connected to the body (10).

The cable 14 receives external power to transfer power to the motor 12, and the motor 12 receives external power by the cable 14 to drive the cable.

The shaft 16 is rotated by the driving of the motor 12. At this time, it is preferable that the body 10 connected to the shaft 16 is fixed without rotation.

A bracket 18 is provided on an outer circumferential surface of the shaft 16, and blades 20a and 20b are hinged to one side of the bracket 18.

The bracket 18 is provided on the outer circumferential surface of the shaft 16 to rotate in accordance with the rotation of the shaft 16 and to unfold the blades 20a and 20b fastened to the hinge 26 on one side. That is, in more detail, when the motor 12 is driven by an external power source, the shaft 16 rotates. When the shaft 16 rotates, the bracket 18 provided on the outer circumferential surface of the shaft 16 is rotated. When the bracket 18 rotates, the blades 20a and 20b are unfolded around the hinge 26 due to the centrifugal force.

The blades 20a and 20b are manufactured in a semicircle having an ellipse, and are hinged 26 at both sides of one side of the bracket 18 to surround the outer circumferential surface of the bracket 18.

In addition, a connecting table 22 is provided between the blades 20a and 20b, and a scraper 24 is fastened by the shaft 38 at an end thereof.

The scraper 24 is in close contact with the inner diameter of the steel pipe 34 when the blades (20a, 20b) is unfolded and rotated by centrifugal force to rotate about the axis 38, the scale of the inner diameter of the steel pipe and cast iron pipe 34 And by scraping the coating layer 36, and by surface treatment for lining, it is a process that can clean the surface of the pipe inner diameter.

On the other hand, the bracket 18 is provided with a spring 28, one end of the spring 28 is connected to the connecting table 22 to elastically pull the blades (20a, 20b). At this time, the spring 28 is to pull the blades (20a, 20b) elastically so that when the surface treatment device for the lining of steel pipes and cast iron pipes are not operating at all times is provided to surround the outer peripheral surface of the bracket 18, When the surface treatment apparatus for lining the steel pipe and cast iron pipe is operated, the blades 20a and 20b are unfolded by the centrifugal force to scrape the inner diameter, thereby improving the utilization of space.

Hereinafter, the operation of the surface treatment apparatus for the lining of the steel pipe and cast iron pipe made of the above configuration will be described with reference to FIGS.

First, referring to Figure 3 When inserting the surface treatment apparatus for the lining of the steel pipe and cast iron pipe of the present invention into the inner diameter of the steel pipe and cast iron pipe 34, it is centered by the support 30 provided in the body 10 The front and rear movements are freed by the roller 32 provided at the end of the support 30.

Subsequently, referring to FIG. 4, when the surface treatment apparatus for lining the steel pipe and the cast iron pipe is operated with an external power source, the motor 12 receiving the power applied from the outside by the cable 14 operates. When the operation of 12, the shaft 16 provided inside the motor 12 is rotated. Subsequently, when the shaft 16 rotates, the bracket 18 provided on the outer circumferential surface of the shaft 16 rotates, and the bracket 18 rotates to one side of the bracket 18 due to the rotation. The blades 20a and 20b are unfolded about the hinge 26 by centrifugal force. Subsequently, when the blades 20a and 20b are unfolded, the scraper 24 installed at the ends of the blades 20a and 20b is in close contact with the inner diameters of the steel pipe and the cast iron pipe 34 to rotate about the shaft 38 and the steel pipe. And the coating film and the scale layer 36 of the inner diameter of the cast iron pipe 34 are scraped off. At this time, the scraper 24 is in close contact with the inner diameter of the steel pipe and cast iron pipe 34 to scrape the coating film and scale layer 36 completely scraping the coating film and scale layer 36 without leaving the lining The pretreatment process can be performed.

Subsequently, when the supplied power is cut off, the driving of the motor 12 is stopped, and the rotating shaft 16 and the bracket 18 stop rotating. Thereafter, when the bracket 18 stops rotating, the blades 20a and 20b lose centrifugal force, and thus, the springs 28 provided on the bracket 18 to elastically pull the blades 20a and 20b. By the blades (20a, 20b) is folded to the outer peripheral surface of the bracket 18, thereby increasing the utilization of the space.

As described above, according to the present invention, a blade rotated by a centrifugal force of a motor and a scraper fastened and rotated at an end of the blade contact the inner diameter of the steel pipe to scrape the coating film and the scale layer, thereby forming the coating film and the scale layer. The effect is completely removed, as well as the function of pre-treatment of the surface for painting.

In addition, the present invention is formed on one side of the bracket by the spring to elastically support the blade, when there is no rotation of the motor has the effect that the blade is folded on the outer circumferential surface of the bracket to facilitate the use of space.

Claims (2)

The body 10, the motor 12 for rotating the shaft 16 installed therein with the power applied from the outside, and is connected to one side of the motor 12 to transfer external power to the motor 12 In the surface treatment apparatus for the lining of the steel pipe and cast iron pipe, which is composed of a cable 14, inserted into the inner diameter of the steel pipe and cast iron pipe 34 to remove the coating film and scale layer 36 of the inner diameter of the steel pipe and cast iron pipe 34 , A bracket 18 installed on an outer circumferential surface of the shaft 16; The blades 20a and 20b which are fastened by a hinge 26 to one side of the bracket 18, are manufactured in a semicircular shape having a curve, and are expanded and rotated by the rotation centrifugal force of the motor 12, A connection table 22 formed at a central portion between the blades 20a and 20b to connect the blades 20a and 20b; Steel pipes and cast iron pipes, which are provided at the ends of the blades 20a and 20b and rotate while being in contact with the coating film and the scale layer 36, and scrapers 24 scraping the coating film and the scale layer 36. Surface treatment apparatus for lining The method of claim 1, Steel pipe and cast iron pipe, characterized in that it further comprises a spring 28, one end is connected to the connecting table 22, the spring (20a, 20b) to elastically pull the blade (20a, 20b) provided on one side of the bracket (18) Surface treatment apparatus for lining
KR1020070039687A 2007-04-24 2007-04-24 Surface treatment device for pipe KR20080095358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070039687A KR20080095358A (en) 2007-04-24 2007-04-24 Surface treatment device for pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070039687A KR20080095358A (en) 2007-04-24 2007-04-24 Surface treatment device for pipe

Publications (1)

Publication Number Publication Date
KR20080095358A true KR20080095358A (en) 2008-10-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070039687A KR20080095358A (en) 2007-04-24 2007-04-24 Surface treatment device for pipe

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101051562B1 (en) * 2008-11-10 2011-07-22 지에스건설 주식회사 Coral enamel and internal coating material removal device of aging water pipe inner diameter
KR101312394B1 (en) * 2010-06-11 2013-11-28 (주)로봇엔웍스 Surface treatment metal unit
JP2018516740A (en) * 2015-04-02 2018-06-28 ピコテ オーワイ エルティーディー Equipment for cleaning the inner surface of pipes
CN113374068A (en) * 2021-08-14 2021-09-10 瑞德(新乡)路业有限公司 Impurity lifting device for sewer dredging and cleaning vehicle
CN113898061A (en) * 2021-11-08 2022-01-07 黄方晨 Wisdom building water supply and drainage pipeline pull throughs

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101051562B1 (en) * 2008-11-10 2011-07-22 지에스건설 주식회사 Coral enamel and internal coating material removal device of aging water pipe inner diameter
KR101312394B1 (en) * 2010-06-11 2013-11-28 (주)로봇엔웍스 Surface treatment metal unit
JP2018516740A (en) * 2015-04-02 2018-06-28 ピコテ オーワイ エルティーディー Equipment for cleaning the inner surface of pipes
CN113374068A (en) * 2021-08-14 2021-09-10 瑞德(新乡)路业有限公司 Impurity lifting device for sewer dredging and cleaning vehicle
CN113374068B (en) * 2021-08-14 2022-01-07 瑞德(新乡)路业有限公司 Impurity lifting device for sewer dredging and cleaning vehicle
CN113898061A (en) * 2021-11-08 2022-01-07 黄方晨 Wisdom building water supply and drainage pipeline pull throughs

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NORF Unpaid initial registration fee