JPH06167195A - Scraping device and removal method of decrepit lining layer of pipe line - Google Patents
Scraping device and removal method of decrepit lining layer of pipe lineInfo
- Publication number
- JPH06167195A JPH06167195A JP4320053A JP32005392A JPH06167195A JP H06167195 A JPH06167195 A JP H06167195A JP 4320053 A JP4320053 A JP 4320053A JP 32005392 A JP32005392 A JP 32005392A JP H06167195 A JPH06167195 A JP H06167195A
- Authority
- JP
- Japan
- Prior art keywords
- lining layer
- pipe line
- scraper
- scraped
- scraping device
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、上下水道、農業用
水、工業用水等の既設配水管路のクリーニング工事を行
う場合に、管路内面に施されている老朽化したライニン
グ層の除去を容易にするために、ライニング層を掻き切
る装置と、その除去方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes it easy to remove an aged lining layer applied to the inner surface of a pipeline when cleaning existing distribution pipelines such as water and sewage, agricultural water, and industrial water. Device for scraping the lining layer and a method for removing the same.
【０００２】[0002]
【従来の技術】鋼製、鋳鉄製、コンクリート製の配水管
路の内面には、防食、耐久性向上のために、コールター
ル、モルタル、エポキシ、ポリエチレン、ポリウレタ
ン、ＦＲＰ等によりライニングが施されているが、この
ライニング層が老朽化した場合、老朽化したライニング
層を除去して、新たにライニングを施すためのクリーニ
ング工事が行われる。2. Description of the Related Art The inner surface of a water pipe made of steel, cast iron or concrete is lined with coal tar, mortar, epoxy, polyethylene, polyurethane, FRP or the like for the purpose of preventing corrosion and improving durability. However, if this lining layer is deteriorated, cleaning work is performed to remove the deteriorated lining layer and apply new lining.
【０００３】ところで、従来、老朽化したライニング層
の除去は、管路内にスクレーパーを押し入れ、スクレー
パーを動力ウインチで牽引してライニング層をスクレー
パーの掻き取り爪によって機械的に掻き取るという方法
によって行われている。By the way, conventionally, the removal of the aged lining layer is carried out by pushing the scraper into the pipe line, pulling the scraper with a power winch, and mechanically scraping the lining layer with the scraping claws of the scraper. It is being appreciated.
【０００４】[0004]
【発明が解決しようとする課題】ところが、各種のライ
ニング層のうち、ポリエチレンやＦＲＰといったライニ
ング層の場合、上記のようにスクレーパーの掻き取り爪
によって掻き取って除去しようとしても、掻き取り爪が
表面を滑るため、ライニング層の剥ぎ取りが容易に行え
ないという問題があった。However, among various lining layers, in the case of a lining layer such as polyethylene or FRP, even if the scraping claw of the scraper is used to remove the lining layer, the scraping claw is However, there is a problem in that the lining layer cannot be easily peeled off due to slipping.
【０００５】そこで、この発明は、ポリエチレンやＦＲ
Ｐといったライニング層の剥ぎ取りを容易に行うことが
できる装置と方法を提供しようとするものである。Therefore, the present invention is based on polyethylene and FR.
An object of the present invention is to provide an apparatus and a method capable of easily stripping a lining layer such as P.
【０００６】[0006]
【課題を解決するための手段】この発明は、上記の課題
を解決するために、管路内を牽引される取付け台の周面
に、管路内面に対して弾性的に押し当てるスクレーパー
羽根を複数枚取付け、このスクレーパー羽根の先端に、
カッティング刃を設けた装置を使用し、この装置によっ
て管路内面のライニング層を帯状にカッティングするも
のである。SUMMARY OF THE INVENTION In order to solve the above problems, the present invention has scraper blades elastically pressed against the inner surface of a pipeline on the peripheral surface of a mounting base to be pulled in the pipeline. Attach multiple pieces, at the tip of this scraper blade,
A device provided with a cutting blade is used to cut the lining layer on the inner surface of the pipe into strips by this device.
【０００７】[0007]
【作用】上記のように、スクレーパー羽根の先端にカッ
ティング刃を設けると、カッティング刃がライニング層
に喰い込むので、老朽化ライニング層が帯状に掻き切ら
れる。したがって、その後、スクレーパーによって帯状
に掻き切ったライニング層を掻き取ればライニング層が
容易に剥ぎ取られる。As described above, when the cutting blade is provided at the tip of the scraper blade, the cutting blade bites into the lining layer, so that the aged lining layer is scraped off in a strip shape. Therefore, after that, if the lining layer scraped into strips by the scraper is scraped off, the lining layer is easily peeled off.
【０００８】[0008]
【実施例】図１乃至図３には、この発明に係るライニン
グ層掻き切り装置の第一の実施例が示されている。1 to 3, there is shown a first embodiment of a lining layer scraping device according to the present invention.
【０００９】この装置は、動力ウインチのワイヤー１に
よって管路２内を牽引される円筒形の取付け台３の周面
に、ばね鋼によって形成したスクレーパー羽根４を、所
定間隔で取付けたものである。In this apparatus, a scraper blade 4 made of spring steel is attached at a predetermined interval to the peripheral surface of a cylindrical mounting base 3 which is pulled in a conduit 2 by a power winch wire 1. .
【００１０】上記スクレーパー羽根４は、取付け台３の
前後に二列設けられ、前列の隣合うスクレーパー羽根４
の間に、後列のスクレーパー羽根４が位置している。The scraper blades 4 are provided in two rows before and after the mount 3, and the adjacent scraper blades 4 in the front row are adjacent to each other.
The scraper blades 4 in the rear row are located between the two.
【００１１】上記各スクレーパー羽根４は、円筒形の取
付け台３の軸心方向、即ち、ワイヤー１の牽引方向に平
行に並べられ、ワイヤー１の牽引方向に向かって前端側
がビス５によって取付け台３に固定され、後端側が外向
きに広げられ、後端が管路２の内面のライニング層６に
弾性的に押し当たるようになっている。The scraper blades 4 are arranged parallel to the axial direction of the cylindrical mounting base 3, that is, the pulling direction of the wire 1, and the front end side of the mounting base 3 is fixed by screws 5 in the pulling direction of the wire 1. The rear end side is expanded outward, and the rear end elastically presses against the lining layer 6 on the inner surface of the conduit 2.
【００１２】そして、上記各スクレーパー羽根４の後端
には、左右両側を外向きに立上げて形成したカッティン
グ刃７が設けられている。このカッティング刃７は、図
４に示すように、スクレーパー羽根４に対して別体に形
成し、ビス８によってスクレーパー羽根４に固定するよ
うにしてもよい。At the rear end of each scraper blade 4, there is provided a cutting blade 7 which is formed by raising both left and right sides outward. As shown in FIG. 4, the cutting blade 7 may be formed separately from the scraper blade 4 and fixed to the scraper blade 4 with a screw 8.
【００１３】上記取付け台３の軸心には、ワイヤー１を
連結するワイヤー連結環９が設けられている。A wire connecting ring 9 for connecting the wires 1 is provided at the axis of the mounting base 3.
【００１４】上記のように構成されたライニング層掻き
切り装置は、通常の掻き取り爪を有するスクレーパーで
は、表面を滑って剥ぎ取りが困難なポリエチレンやＦＲ
Ｐといったライニング層を除去する場合に、使用され
る。The lining layer scraping device having the above-described structure is made of polyethylene or FR which is difficult to be peeled off by sliding on the surface of a scraper having a normal scraping claw.
It is used when removing a lining layer such as P.
【００１５】即ち、この発明に係るライニング層掻き切
り装置を、図２及び図３に示すように、管路２内に押し
入れて、動力ウインチのワイヤー１によって管路２内を
牽引して移動させると、スクレーパー羽根４の先端のカ
ッティング刃７が管路２内面のライニング層６に喰い込
みながら移動し、ライニング層６が帯状に掻き切られ
る。That is, as shown in FIG. 2 and FIG. 3, the lining layer scraping device according to the present invention is pushed into the pipe line 2 and pulled by the power winch wire 1 to be moved in the pipe line 2. Then, the cutting blade 7 at the tip of the scraper blade 4 moves while biting into the lining layer 6 on the inner surface of the pipe line 2, and the lining layer 6 is scraped off into a band shape.
【００１６】したがって、この後、通常の掻き取り爪を
有するスクレーパーによって、帯状に掻き切ったライニ
ング層６を掻き取れば、ライニング層６は容易に剥ぎ取
られる。Therefore, after that, the lining layer 6 can be easily peeled off by scraping the stripped lining layer 6 with a scraper having a normal scraping claw.
【００１７】次に、図５は、この発明に係るライニング
層掻き切り装置の第２の実施例を示している。Next, FIG. 5 shows a second embodiment of the lining layer scraping device according to the present invention.
【００１８】この装置は、各スクレーパー羽根４を、円
筒形の取付け台３の軸心に対して、斜めに取付けること
により、動力ウインチで牽引した場合に、装置が管路２
内を螺旋を描きながら移動するようにして、管路２内面
のライニング層６を螺旋状に掻き切るようにしている。In this device, the scraper blades 4 are mounted obliquely with respect to the axis of the cylindrical mounting base 3 so that when the device is towed by a power winch, the device has a conduit 2
The lining layer 6 on the inner surface of the conduit 2 is spirally scraped off by moving while drawing a spiral inside.
【００１９】そして、この装置においては、スクレーパ
ー羽根４を取付け台３の軸心に対して斜めに取付けるの
で、スクレーパー羽根４の先端の左右両側に設けるカッ
ティング刃７の高さを異ならせて、左右のカッティング
刃７がライニング層６に均等に喰い込むようにしてい
る。In this device, the scraper blades 4 are mounted obliquely with respect to the axis of the mounting base 3, so that the height of the cutting blades 7 provided on the left and right sides of the tip of the scraper blades 4 is made different. The cutting blade 7 of FIG.
【００２０】また、装置が回転しながら移動するので、
動力ウインチのワイヤー１が捩れないように、ワイヤー
１と取付け台３のワイヤー連結環９の間には、捩れ防止
金具１０を取付けている。Since the device moves while rotating,
A twist prevention fitting 10 is attached between the wire 1 and the wire connecting ring 9 of the mounting base 3 so that the wire 1 of the power winch is not twisted.
【００２１】[0021]
【発明の効果】以上のように、この発明の装置によれ
ば、通常の掻き取り爪を有するスクレーパーでは滑って
掻き取りが困難なポリエチレンやＦＲＰのライニング層
を、帯状に掻き切ることができるので、ライニング層の
剥ぎ取りを容易に行うことができるという効果がある。As described above, according to the apparatus of the present invention, the lining layer of polyethylene or FRP, which is difficult to be scraped by a scraper having a normal scraping claw, can be scraped off into a strip shape. There is an effect that the lining layer can be easily peeled off.
【図１】この発明に係る装置の第１の実施例を示す側面
図FIG. 1 is a side view showing a first embodiment of the device according to the present invention.
【図２】同上の装置を管路内に押し入れた状態を示す正
面図FIG. 2 is a front view showing a state in which the above device is pushed into a pipeline.
【図３】同上の装置の使用状態を示す図FIG. 3 is a diagram showing a usage state of the same device.
【図４】スクレーパー羽根の一例を示す斜視図FIG. 4 is a perspective view showing an example of a scraper blade.
【図５】この発明に係る装置の第２の実施例を示す側面
図FIG. 5 is a side view showing a second embodiment of the device according to the present invention.
１ ワイヤー ２ 管路 ３ 取付け台 ４ スクレーパー羽根 ５ ビス ６ ライニング層 ７ カッティング刃 ８ ビス ９ ワイヤー連結環 １０ 捩れ防止金具 1 Wire 2 Pipeline 3 Mounting Base 4 Scraper Blade 5 Screw 6 Lining Layer 7 Cutting Blade 8 Screw 9 Wire Connection Ring 10 Twisting Prevention Metal Fitting
Claims (3)
引される取付け台の周面に、管路内面に対して弾性的に
押し当てるスクレーパー羽根を複数枚取付け、このスク
レーパー羽根の先端にカッティング刃を設けた管路の老
朽化ライニング層掻き切り装置。1. A plurality of scraper blades elastically pressed against the inner surface of the pipe are attached to the peripheral surface of a mounting base having a lining layer on the inner surface and pulled inside the pipe, and the tip of the scraper blade is cut. Aged lining layer scraping device for pipes equipped with blades.
斜めに取付け台に取付けられている請求項１記載の管路
の老朽化ライニング層掻き切り装置。2. The aged lining layer scraping device of a pipe line according to claim 1, wherein the scraper blade is attached to the mounting base at an angle to the pulling direction.
グ層掻き切り装置を、内面にライニング層を有する管路
内に押し入れて牽引し、管路内面のライニング層を帯状
に掻き切った後、帯状に掻き切ったライニング層をスク
レーパーによって剥ぎ取ることを特徴とする管路老朽化
ライニング層の除去方法。3. An aged lining layer scraping device for a pipeline according to claim 1 or 2 is pushed into a pipeline having a lining layer on its inner surface and pulled, and the lining layer on the inside surface of the pipeline is scraped off into a strip shape. Then, the stripped lining layer is stripped off by a scraper, and a method for removing an aged lining layer of a pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4320053A JPH06167195A (en) | 1992-11-30 | 1992-11-30 | Scraping device and removal method of decrepit lining layer of pipe line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4320053A JPH06167195A (en) | 1992-11-30 | 1992-11-30 | Scraping device and removal method of decrepit lining layer of pipe line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06167195A true JPH06167195A (en) | 1994-06-14 |
Family
ID=18117202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4320053A Pending JPH06167195A (en) | 1992-11-30 | 1992-11-30 | Scraping device and removal method of decrepit lining layer of pipe line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06167195A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100455703B1 (en) * | 2002-01-11 | 2004-11-06 | 정송옥 | Polymer Impregnated Regeneration Method for Mortar Lining of Water Works Pipe |
| KR100494291B1 (en) * | 2002-04-01 | 2005-06-13 | 중앙산업 (주) | A rejuvenate method for superannuated pipe |
| KR100606188B1 (en) * | 2006-04-28 | 2006-07-31 | 동도기공 주식회사 | Polyethylene pi p e rehabilitation |
| KR100718247B1 (en) * | 2006-03-17 | 2007-05-15 | 한국건설기술연구원 | Close-fit pipes lining system of trenchless technology using means for removing pleat and apparatus thereby |
| KR101008345B1 (en) * | 2010-06-16 | 2011-01-13 | (주)우암건설 | Device for removal of scale in pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310850U (en) * | 1986-07-05 | 1988-01-25 | ||
| JPH042316A (en) * | 1990-04-20 | 1992-01-07 | Mitsubishi Electric Home Appliance Co Ltd | Vacuum cleaner |
-
1992
- 1992-11-30 JP JP4320053A patent/JPH06167195A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310850U (en) * | 1986-07-05 | 1988-01-25 | ||
| JPH042316A (en) * | 1990-04-20 | 1992-01-07 | Mitsubishi Electric Home Appliance Co Ltd | Vacuum cleaner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100455703B1 (en) * | 2002-01-11 | 2004-11-06 | 정송옥 | Polymer Impregnated Regeneration Method for Mortar Lining of Water Works Pipe |
| KR100494291B1 (en) * | 2002-04-01 | 2005-06-13 | 중앙산업 (주) | A rejuvenate method for superannuated pipe |
| KR100718247B1 (en) * | 2006-03-17 | 2007-05-15 | 한국건설기술연구원 | Close-fit pipes lining system of trenchless technology using means for removing pleat and apparatus thereby |
| KR100606188B1 (en) * | 2006-04-28 | 2006-07-31 | 동도기공 주식회사 | Polyethylene pi p e rehabilitation |
| KR101008345B1 (en) * | 2010-06-16 | 2011-01-13 | (주)우암건설 | Device for removal of scale in pipe |
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