JPH02209520A - Anti-corrosively covered steel pipe lagging and its coating method and device - Google Patents
Anti-corrosively covered steel pipe lagging and its coating method and deviceInfo
- Publication number
- JPH02209520A JPH02209520A JP2781189A JP2781189A JPH02209520A JP H02209520 A JPH02209520 A JP H02209520A JP 2781189 A JP2781189 A JP 2781189A JP 2781189 A JP2781189 A JP 2781189A JP H02209520 A JPH02209520 A JP H02209520A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- pawl
- coating
- pipe sheet
- guide roll
- 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.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000005260 corrosion Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 16
- 238000010422 painting Methods 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、鋼管矢板の塗装に際し、■、爪内部の塗装は
、Ｌ爪内に塗装ノズルを被塗面との間隔を一定に保ちな
がら塗装し、Ｌ爪内部を従来の防食部分と同等の品質で
塗装可能どする新規な防食被覆鋼管矢板及びその塗装方
法及び装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides the following advantages when painting steel pipe sheet piles: (1) The inside of the nail is painted by placing a coating nozzle inside the L nail while maintaining a constant distance from the surface to be coated. The present invention relates to a new anti-corrosion coated steel pipe sheet pile, which enables the interior of the L claw to be painted with the same quality as conventional anti-corrosion parts, and a method and apparatus for coating the same.
〔従来の技術及び発明が解決しようとする課題）近年、
鋼管矢板は重防食化指向が強く需要量が増加しているが
、鋼管矢板爪内の中で、Ｌ爪内部のような狭隘部は表面
処理する方法がなく、その部分は未処理のまま使用され
ている。[Prior art and problems to be solved by the invention] In recent years,
Demand for steel pipe sheet piles is increasing as there is a strong trend toward heavy corrosion protection, but there is no way to surface-treat the narrow parts of the steel pipe sheet piles, such as the inside of the L-claws, so those parts are used untreated. has been done.
従って、現在製品化している重防食被覆鋼管矢板は、防
食不充分な防食状態で使用されているのが現状である。Therefore, currently commercially available heavily coated steel pipe sheet piles are currently being used with insufficient corrosion protection.
本発明は、このような問題を有利に解決することを課題
とするものである。It is an object of the present invention to advantageously solve such problems.
（課題を解決するための手段）
本発明は、上記のような課題を解決し、Ｌ型内部の母管
部も有効に塗装を可能としたものであり、Ｌ型内部の塗
装に際し、塗装ノズルは■５爪の鍔部分を支えとするガ
イドロールと連結し、鋼管矢板へのし爪取付が上下、左
右に変形しても、塗装ノズルと被塗面との間隔を一定に
保ち、塗装膜厚を高精度で塗装することを特徴とする塗
装方法及び装置である。(Means for Solving the Problems) The present invention solves the above-mentioned problems and makes it possible to effectively paint the main pipe inside the L-shape. ■5 Connects to a guide roll supported by the flange of the claw, and even if the claw attached to the steel pipe sheet pile is deformed vertically or left/right, the distance between the coating nozzle and the surface to be coated is kept constant, and the coating film is maintained. This is a coating method and device that is characterized by coating the thickness with high accuracy.
又これにより得られるＩ、低内部の母管部外表面を、し
低内部を含めて、同等の品質で防食被覆を施したことを
特徴とするし爪を有する防食被覆鋼管矢板である。In addition, the resulting steel pipe sheet pile with anti-corrosion coating is characterized in that the outer surface of the main pipe part inside the lower part, including the inner part of the lower part, is coated with an anti-corrosion coating of the same quality.
〔実 施 例） 次に、図に示す実施例に基づいて説明する。〔Example) Next, an explanation will be given based on the embodiment shown in the figures.
第３図は従来の防食被覆鋼管矢板の断面図であり、第１
図はこの発明の実施例防食被覆鋼管矢板の断面図、第２
図（ａ）及び（ｂ）は第１図に示す防食被覆鋼管矢板の
し低内部を塗装するＬ爪内部塗装装置の正面と側面の断
面図であり、同（Ｃ）は一部背面の断面図である。Figure 3 is a cross-sectional view of a conventional anti-corrosion coated steel pipe sheet pile.
The figure is a cross-sectional view of an anti-corrosion coated steel pipe sheet pile according to an embodiment of the present invention.
Figures (a) and (b) are front and side cross-sectional views of the L-claw internal coating equipment for painting the interior of the anti-corrosion-coated steel pipe sheet pile sheathing shown in Figure 1, and (C) is a partial cross-sectional view of the rear side. It is a diagram.
第１図に示すようにこの発明の防食波？ｉ鋼管矢板のし
低内部２−２は塗＠３−２を擁し、その塗膜は母管部の
塗膜３−１と同等の膜厚である。As shown in Figure 1, the corrosion protection wave of this invention? i The inside of the steel pipe sheet pile 2-2 has coating @3-2, and the coating film has the same thickness as the coating film 3-1 on the main pipe part.
例えば、母材部の膜厚３−１が２，５〜６．０ｍｍの範
囲で塗装するときし低内部の塗膜（母管部）３−、も同
じように ２．５〜６．０ｍｍの範囲に塗装する。For example, if the film thickness 3-1 of the base material part is in the range of 2.5 to 6.0 mm, then the inner coating film (main pipe part) 3- is also 2.5 to 6.0 mm. Paint the area.
第２図（１））に示すようにＬ低力部塗装装置７は、塗
装ノズル４とガイドロール５と伸縮ロッド６とから構成
されている。As shown in FIG. 2 (1), the L low-force area coating device 7 is composed of a coating nozzle 4, a guide roll 5, and a telescopic rod 6.
ガイドロール５はＬ爪２−１の鍔部分を支えとしてＬ爪
２−１に装着しており、塗装ロボットアーム先端部９に
対し、Ｌ爪２−１が第２図（ａ）に示すように上下、左
右へと位置が変化しても、■、爪２−１との相対位置は
常に一定となり、塗装ロボットアーム先端部９との連結
は、伸縮ロッド６によって保持される。The guide roll 5 is attached to the L claw 2-1 using the collar of the L claw 2-1 as support, and the L claw 2-1 is attached to the tip 9 of the painting robot arm as shown in FIG. 2(a). Even if the position changes vertically and horizontally, the relative position with the claw 2-1 remains constant, and the connection with the tip 9 of the painting robot arm is maintained by the telescopic rod 6.
また、塗装ノズル４とガイドロール５は固定フレーム８
で連結しており、従って塗装ノズル４は、Ｌ爪２−１に
接触しなくても被塗面のＬ爪内部２−２との間隔を常に
一定に保つことができる構造としている。塗装ノズル４
は第２図（ｂ）に示すように進行方向に対して傾斜させ
るが、この傾斜角度は第２図（Ｃ）に示すようにＬ型内
部（母管部）２−２の塗装中と塗装ノズル４のスプレー
塗装中との位置関係で設定する。Furthermore, the coating nozzle 4 and the guide roll 5 are mounted on a fixed frame 8.
Therefore, the coating nozzle 4 has a structure in which the distance between the surface to be coated and the inside of the L nail 2-2 can always be kept constant even without contacting the L nail 2-1. Paint nozzle 4
is inclined with respect to the traveling direction as shown in Fig. 2 (b), but this inclination angle is different during and during painting of the L-shaped interior (main pipe part) 2-2 as shown in Fig. 2 (C). Set according to the positional relationship of the nozzle 4 during spray painting.
Ｌ型内部の塗膜（母管部）３−２は、２．５ｍｆｆ１以
上の厚膜塗装をするが、塗装中の塗料流れによって、塗
膜の起伏を発生させないために、塗装作業中はＬ爪２−
１は真上の状態にセットして塗装する。また、外径が小
さくＬ型内部（母管部）２−２の円弧が小さい鋼管矢板
１については、塗料が両端部に流れ易く、膜厚変動が発
生し易いため、１バス当りの膜厚を薄くし、数パス重ね
塗りして、 ２，５〜６．０ＬＩＩＩ１１の範囲を確保
する。The coating film inside the L-shape (main pipe part) 3-2 is coated with a thick film of 2.5mff1 or more. Nail 2-
1 is set directly above and painted. In addition, for steel pipe sheet piles 1 with a small outer diameter and a small arc of the L-shaped interior (main pipe part) 2-2, the paint tends to flow to both ends and film thickness fluctuations are likely to occur. Make it thinner and apply several passes to secure a range of 2.5 to 6.0LIII11.
以上、鋼管矢板り低内部の狭隘部塗装を実施例により説
明したが、同様にＴ型鋼やＨ型鋼などの鋼材に接合して
できる狭隘部に対しても本発明の方法及び装置が適用可
能である。The coating of narrow areas inside steel pipe sheet piles has been explained above using examples, but the method and apparatus of the present invention can also be applied to narrow areas formed by joining steel materials such as T-type steel and H-type steel. be.
（発明の効果）
本発明は、前記説明から明らかなように、Ｌ爪の鍔部分
を支えとするガイドロールの先端に連結した塗装ノズル
でＬ型内部を塗装することによって、被塗面との間隔を
一定に保ち、今まで塗装することができなかったし低内
部の母管部を従来の防食部分と同等の品質で塗装ができ
るようにしたものであり、当技術分野において、顕著な
効果を示すものである。(Effects of the Invention) As is clear from the above description, the present invention coats the inside of the L shape with a coating nozzle connected to the tip of a guide roll supported by the flange of the L claw. By keeping the spacing constant, it is now possible to paint the low-inner main pipe parts, which could not be painted until now, with the same quality as conventional anti-corrosion parts, and it has a remarkable effect in this technical field. This shows that.
第１図はこの発明の実施例防食被覆鋼管矢板の断面図、
第２図（ａ） 、 （ｂ）及び（ｃ）はこの発明の実施
例装置におけるＬ爪内部塗装装置の正面、側面及び一部
背面の断面図、第３図は従来の防食被覆鋼管矢板の断面
図である。
１・・・鋼管矢板 ２−１・・・Ｌ爪２−２・・
・Ｌ型内部（母管部）
３−１・・・母管部の塗膜
３−２・・・Ｌ低力部の塗膜（母管部）４・・・塗装ノ
ズル ５・・・ガイドロール６・・・伸縮ロッド
７・・・Ｌ型内部塗装装置８・・・固定フレーム
９・・・塗装ロボットアーム先端部
他４名
ｌ・鋼管矢板
３−１＝母管部の！！膜FIG. 1 is a cross-sectional view of an anti-corrosion coated steel pipe sheet pile according to an embodiment of the present invention.
FIGS. 2(a), (b), and (c) are front, side, and partial back sectional views of the L-claw internal coating device in the embodiment of the present invention, and FIG. 3 is a cross-sectional view of a conventional anti-corrosion coated steel pipe sheet pile. FIG. 1... Steel pipe sheet pile 2-1... L claw 2-2...
・L-shaped interior (main pipe part) 3-1... Coating film on main pipe part 3-2... Coating film on L low-strength part (main pipe part) 4... Painting nozzle 5... Guide Roll 6...Telescopic rod
7...L-shaped internal coating device 8...Fixed frame 9...Painting robot arm tip and 4 other people l/Steel pipe sheet pile 3-1=Main pipe part! ! film
Claims (1)
塗料を塗装した防食被覆鋼管矢板であり、Ｌ爪内部も含
めて、鋼管矢板の母管部外表面の全てに防食被覆を施し
たことを特徴とする防食被覆鋼管矢板。 ２ Ｌ爪を有する鋼管矢板の外表面に無溶剤型２液混合
塗料を塗装する塗装装置において、Ｌ爪の鍔部分を支え
とするガイドロールと、その先端に連結した塗装ノズル
と両者を保持する伸縮ロッドから成るＬ爪内部を塗装す
る装置を具備したことを特徴とする防食被覆鋼管矢板の
塗装装置。 ３ Ｌ爪を有する鋼管矢板の外表面に無溶剤型２液混合
塗料を塗装する塗装方法において、Ｌ爪内部の塗装に当
り鋼管矢板へのＬ爪の取付が上下、左右に変形しても、
塗装ノズルと被塗面との間隔を一定に保つ塗装装置によ り、Ｌ爪内の塗装膜厚を高精度に塗装することを特徴と
する鋼管矢板の塗装方法。[Scope of Claims] 1 An anti-corrosion coated steel pipe sheet pile in which the outer surface of a steel pipe sheet pile having L claws is coated with a solvent-free two-component mixed paint; Anti-corrosion coated steel pipe sheet pile characterized by being coated entirely with anti-corrosion coating. 2 In a coating device that applies a solvent-free two-component mixed paint to the outer surface of steel pipe sheet piles having L claws, a guide roll supported by the collar of the L claw and a coating nozzle connected to the tip thereof are held together. A coating device for anti-corrosion coated steel pipe sheet piles, comprising a device for coating the inside of an L claw consisting of a telescopic rod. 3. In a painting method in which a solvent-free two-component mixed paint is applied to the outer surface of a steel pipe sheet pile having L claws, even if the attachment of the L claws to the steel pipe sheet pile is deformed vertically or horizontally when painting the inside of the L claws,
A method for painting steel pipe sheet piles, characterized in that the thickness of the paint film within the L nails is painted with high precision using a painting device that maintains a constant distance between the painting nozzle and the surface to be painted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1027811A JPH07893B2 (en) | 1989-02-07 | 1989-02-07 | Anticorrosion coated steel pipe sheet pile, and its coating method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1027811A JPH07893B2 (en) | 1989-02-07 | 1989-02-07 | Anticorrosion coated steel pipe sheet pile, and its coating method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02209520A true JPH02209520A (en) | 1990-08-21 |
| JPH07893B2 JPH07893B2 (en) | 1995-01-11 |
Family
ID=12231358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1027811A Expired - Fee Related JPH07893B2 (en) | 1989-02-07 | 1989-02-07 | Anticorrosion coated steel pipe sheet pile, and its coating method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07893B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020165102A (en) * | 2019-03-28 | 2020-10-08 | 日本製鉄株式会社 | Heavy-duty anticorrosion steel pipe sheet pile and its manufacturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145029A (en) * | 1984-08-07 | 1986-03-04 | Nippon Steel Corp | Anticorrosive sealing work for coupler of heavily corrosion-resistant steel tubular sheet pile |
| JPS6149030A (en) * | 1984-08-15 | 1986-03-10 | Nippon Steel Corp | Prevention of corrosion of fitted joint part of steel sheet pile |
-
1989
- 1989-02-07 JP JP1027811A patent/JPH07893B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145029A (en) * | 1984-08-07 | 1986-03-04 | Nippon Steel Corp | Anticorrosive sealing work for coupler of heavily corrosion-resistant steel tubular sheet pile |
| JPS6149030A (en) * | 1984-08-15 | 1986-03-10 | Nippon Steel Corp | Prevention of corrosion of fitted joint part of steel sheet pile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020165102A (en) * | 2019-03-28 | 2020-10-08 | 日本製鉄株式会社 | Heavy-duty anticorrosion steel pipe sheet pile and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07893B2 (en) | 1995-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |