JPH0740216A - Bead surface repairing device - Google Patents

Bead surface repairing device

Info

Publication number
JPH0740216A
JPH0740216A JP19233793A JP19233793A JPH0740216A JP H0740216 A JPH0740216 A JP H0740216A JP 19233793 A JP19233793 A JP 19233793A JP 19233793 A JP19233793 A JP 19233793A JP H0740216 A JPH0740216 A JP H0740216A
Authority
JP
Japan
Prior art keywords
bead
rail
traveling
light source
ccd camera
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
Application number
JP19233793A
Other languages
Japanese (ja)
Other versions
JP3524565B2 (en
Inventor
Hiromasa Kamei
博正 亀井
Ken Fujita
藤田  憲
Akihiko Kimura
明彦 木村
Ryoichi Tatsumi
良一 辰巳
Akira Shimizu
彰 志水
Yoshiaki Fukunaga
義昭 福永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP19233793A priority Critical patent/JP3524565B2/en
Publication of JPH0740216A publication Critical patent/JPH0740216A/en
Application granted granted Critical
Publication of JP3524565B2 publication Critical patent/JP3524565B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Machine Tool Sensing Apparatuses (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

PURPOSE:To simultaneously carry out shape inspection and repairing work of a bead by providing a rail along the bead on a welded lengthy steel pipe and providing a CCD camera, a grinder device and a welding device on a traveling frame traveling on this rail. CONSTITUTION:On the outer periphery of a steel pipe 1 inserted into a tunnel dug in a rock bed 2, an angle rail is provided along a welded bead 3, and along this rail, a traveliing frame 8 made to travel by tractive operation of a rope is provided. On this traveling frame 8, a laser slit light source 10 to irradiate a guide mechanism held by the rail and the bead 3 and a CCD camera 11 to photograph the bead 3 irradiated by this light source 10 are provided. Additionally, a grinder device 12 to polish the bead 3 in accordance with processing of the photographed picture image and a welding device to repair and weld the bead 3 are provided. Consequently, it is possible to carry out shape inspection and repairing work of the bead 3, and labor saving is realized.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は水圧鉄管や煙突などの現
地で円周溶接される構造物のビード表面補修装置に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bead surface repairing device for circumferentially welded structures such as penstocks and chimneys.

【0002】[0002]

【従来の技術】従来円周溶接される構造物例えば水圧鉄
管では、鉄管外面の裏波ビードの形状検査及びビード補
修作業は、鉄管と岩盤との間に作業員が入り、作業員に
よって行われていた。
2. Description of the Related Art Conventionally, in a structure such as a penetrating steel pipe to be welded circumferentially, the shape inspection of the backside bead on the outer surface of the iron pipe and the bead repair work are performed by a worker between the iron pipe and the bedrock. Was there.

【0003】[0003]

【発明が解決しようとする課題】しかし岩盤掘削工数低
減のために鉄管と岩盤との隙間は約300mmの要求が
あるため、作業員が鉄管と岩盤との間に入ることが、殆
んど不可能であって、その作業に難渋を来たしていた。
本発明はかかる問題点に対処するため開発されたもので
あって、鉄管外面作業を自動化させることを目的とす
る。
However, since the clearance between the iron pipe and the bedrock is required to be about 300 mm in order to reduce the number of rock excavation man-hours, it is almost impossible for an operator to enter between the iron pipe and the bedrock. It was possible, and I was having a hard time working on it.
The present invention was developed to address such problems, and an object thereof is to automate the work on the outer surface of an iron pipe.

【0004】[0004]

【課題を解決するための手段】上記の目的を達成させる
ための本発明の構成を実施例に対応する図1乃至図7を
用いて説明すると本発明は溶接された長尺鉄管1に、ビ
ード3に沿ったレール4を設け、該レール4上を走行す
る走行フレーム8に、前記レール4に保持される案内機
構9と、前記ビード3を照射するレーザスリット光源1
0と、該光源10で照射されるビード3を撮影するCC
Dカメラ11と、該カメラ11で撮影された画像処理に
基づいて前記ビード3に向って移動するグラインダ装置
12と溶接装置13とを設けたことを特徴とする。
The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 7 corresponding to the embodiments. The present invention is a welded long iron pipe 1 and a bead. 3 is provided with a rail 4, a guide frame 9 held by the rail 4 and a laser slit light source 1 for irradiating the bead 3 on a traveling frame 8 traveling on the rail 4.
0, CC for photographing the bead 3 illuminated by the light source 10
It is characterized in that a D camera 11, and a grinder device 12 and a welding device 13 that move toward the bead 3 based on image processing taken by the camera 11 are provided.

【0005】[0005]

【作用】そして本発明は、上記の手段により鉄管外周の
レール上を走行する走行フレームは、その走行によって
レーザースリット光をビードに照射し、CCDカメラで
撮影することによりビードの高さ及びアンダーカットの
判定及び観察をし、この観察によってグラインダ装置を
移動させてビードの余盛またはアンダーカット部を除去
し、次いで溶接装置を移動させて、ビードの補修溶接を
行う。
According to the present invention, the traveling frame traveling on the rail on the outer circumference of the iron pipe by the above means irradiates the laser slit light on the bead by the traveling, and the height and the undercut of the bead are obtained by photographing with a CCD camera. Is determined and observed, the grinder device is moved by this observation to remove the excess or undercut portion of the bead, and then the welding device is moved to perform repair welding of the bead.

【0006】[0006]

【実施例】以下本発明の一実施例を図1乃至図7を用い
て説明すると1は鉄管を示し、該鉄管1は、図1に示す
ように岩盤2に掘削されるトンネル内に隙間を存して嵌
挿され、その外周には溶接されたビード3に沿ってアン
グル形のレール4を設け、該レール4にセットされた走
行台車5の走行によってリール6より引張り出されロー
プ7に接続されて、レール4上を走行する走行フレーム
8が設けられている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 7. Reference numeral 1 denotes an iron pipe, and the iron pipe 1 has a gap in a tunnel excavated in rock 2 as shown in FIG. An angle-shaped rail 4 is provided along the welded bead 3 on the outer periphery of the reel 4, and the traveling carriage 5 set on the rail 4 pulls it out of the reel 6 and connects it to the rope 7. Thus, a traveling frame 8 that travels on the rail 4 is provided.

【0007】そして前記走行フレーム8には、レール4
に保持される案内機構9とビード3を照射するレーザス
リット光源10と、該光源10で照射されたビード3を
撮影するCCDカメラ11と、該カメラ11で撮影され
た画像処理に基づいてビード3に向って移動してビード
3を研削するグラインダ装置12と同じくビード3に向
って移動してビード3を溶接する溶接装置13とが設け
られている。
The rail 4 is attached to the traveling frame 8.
A laser slit light source 10 for irradiating the bead 3 with a guide mechanism 9 held by the CCD, a CCD camera 11 for photographing the bead 3 irradiated by the light source 10, and a bead 3 based on image processing photographed by the camera 11. A grinder device 12 that moves toward the bead 3 to grind the bead 3 and a welding device 13 that moves toward the bead 3 to weld the bead 3 are provided.

【0008】これを更に詳述すると走行フレーム8に
は、どの位置でも構造物と同じ位置を保つためのガイド
ローラ14を図5に示すようにフレーム8の上下面に備
え、前記案内機構9は図6及び図7に示すようにアング
ルレール4の上端を倣う走行用ローラ15とアングルレ
ール4の下端面をばねで加圧する加圧ローラ16とアン
グルレール4の内側面をばねで加圧する予圧ローラ17
とから構成され、走行台車5の走行によりリール6より
引張り出されるロープ7は、図7に示すようにロープ固
定具18により走行フレーム8に接続され、走行台車5
により走行フレーム8は牽引される。
This will be described in more detail. The traveling frame 8 is provided with guide rollers 14 for keeping the same position as the structure at any position on the upper and lower surfaces of the frame 8 as shown in FIG. As shown in FIGS. 6 and 7, a traveling roller 15 that follows the upper end of the angle rail 4, a pressure roller 16 that presses the lower end surface of the angle rail 4 with a spring, and a preload roller that presses the inner side surface of the angle rail 4 with a spring. 17
The rope 7, which is composed of and is pulled out from the reel 6 when the traveling carriage 5 travels, is connected to the traveling frame 8 by the rope fixing tool 18 as shown in FIG.
Thereby, the traveling frame 8 is pulled.

【0009】又レーザスリット光源10からのスリット
光19を裏波ビード3に照射し、CCDカメラ11で撮
影したビード高さ及びアンダーカットの判定は操作室の
モニタ画像を画像処理し計算機で行なう。更に、前記グ
ラインダ装置12は押し付け機構20を介して、又前記
溶接トーチ11は高さ調整スライド21を介してそれぞ
れX軸スライド22とY軸スライド23と図示しないZ
軸スライドを有する摺動体24に取付けられ、一方前記
溶接トーチ11は図4に示すようにワイヤ送給機構25
とワイヤガイド26を有し、前記摺動体24により補修
溶接位置に移動され高さ調整スライド21により補修部
に下げられワイヤ送給機構25より送り出された溶接ワ
イヤはワイヤガイド26をへてチップ27より送り出さ
れ溶接装置13により補修され、この補修溶接状況は観
察カメラ28により観察されるようにした。
Further, the slit light 19 from the laser slit light source 10 is applied to the backside bead 3, and the bead height and undercut photographed by the CCD camera 11 are determined by a computer by image-processing a monitor image in the operation room. Further, the grinder device 12 is provided with a pressing mechanism 20, and the welding torch 11 is provided with a height adjusting slide 21.
The welding torch 11 is mounted on a sliding body 24 having an axial slide, while the welding torch 11 is a wire feeding mechanism 25 as shown in FIG.
And a wire guide 26, the welding wire is moved to the repair welding position by the sliding body 24, lowered to the repair portion by the height adjusting slide 21, and sent out from the wire feeding mechanism 25. It is sent out and repaired by the welding device 13, and the repair welding condition is observed by the observation camera 28.

【0010】[0010]

【発明の効果】このように本発明によるときは溶接され
た長尺鉄管に、ビードに沿ったレールを設け、該レール
上を走行する走行フレームにレールに保持される案内機
構とビードを照射するレーザスリット光源と、該光源で
照射されたビードを撮影するCCDカメラと、該カメラ
で撮影された画像処理に基づいて前記してビードに向っ
て移動するグラインダ装置と溶接装置とを設けたもので
あるから鉄管のビードは鉄管外周のレール上を走行する
走行フレーム上のCCDカメラとグラインダ装置及び溶
接装置とにより形状検査と補修作業とが可能となり、狭
隘な場所又は危険な場所でのビードの補修作業が容易と
なる効果を有する。
As described above, according to the present invention, the welded long iron pipe is provided with the rail along the bead, and the guide frame held by the rail and the bead are irradiated to the traveling frame traveling on the rail. A laser slit light source, a CCD camera for photographing a bead irradiated by the light source, a grinder device and a welding device which move toward the bead based on image processing photographed by the camera. Therefore, the bead of the iron pipe can be inspected and repaired by the CCD camera on the traveling frame that runs on the rail around the iron pipe, the grinder device and the welding device, and the bead repair can be performed in a narrow place or a dangerous place. This has the effect of facilitating the work.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.

【図2】本発明の一実施例を示す正面図である。FIG. 2 is a front view showing an embodiment of the present invention.

【図3】本発明のグラインダ装置部の底面図である。FIG. 3 is a bottom view of the grinder device unit of the present invention.

【図4】本発明の溶接装置部の底面図である。FIG. 4 is a bottom view of the welding device portion of the present invention.

【図5】本発明の走行フレームの側面図である。FIG. 5 is a side view of the traveling frame of the present invention.

【図6】本発明のガイドローラ部の側面図である。FIG. 6 is a side view of the guide roller portion of the present invention.

【図7】本発明の加圧ローラ部の側面図である。FIG. 7 is a side view of the pressure roller portion of the present invention.

【符号の説明】[Explanation of symbols]

1 鉄管 3 ビード 4 レール 8 走行フレーム 9 案内機構 10 レーザスリット光源 11 CCDカメラ 12 グラインダ装置 13 溶接装置 1 Iron Pipe 3 Bead 4 Rail 8 Traveling Frame 9 Guide Mechanism 10 Laser Slit Light Source 11 CCD Camera 12 Grinder Device 13 Welding Device

───────────────────────────────────────────────────── フロントページの続き (72)発明者 辰巳 良一 兵庫県神戸市兵庫区和田崎町一丁目1番1 号 三菱重工業株式会社神戸造船所内 (72)発明者 志水 彰 兵庫県神戸市兵庫区和田崎町一丁目1番1 号 三菱重工業株式会社神戸造船所内 (72)発明者 福永 義昭 兵庫県高砂市荒井町新浜2丁目8番25号 高菱エンジニアリング株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ryoichi Tatsumi 1-1-1, Wadazakicho, Hyogo-ku, Kobe, Hyogo Prefecture Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (72) Inventor Akira Shimizu Wa, Hyogo-ku, Kobe-shi, Hyogo Prefecture 1-1-1 Tasakicho Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (72) Inventor Yoshiaki Fukunaga 2-8-25 Niihama, Niihama, Araimachi, Takasago, Hyogo Takahishi Engineering Co., Ltd.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 溶接された長尺鉄管に、ビードに沿った
レールを設け、該レール上を走行する走行フレームに、
前記レールに保持される案内機構と、前記ビードを照射
するレーザスリット光源と、該光源で照射されたビード
を撮影するCCDカメラと、該カメラで撮影された画像
処理に基づいて前記ビードに向って移動するグラインダ
装置と溶接装置とを設けたことを特徴とするビード表面
補修装置。
1. A welded long iron pipe is provided with a rail along a bead, and a traveling frame traveling on the rail,
A guide mechanism held on the rail, a laser slit light source for irradiating the bead, a CCD camera for photographing the bead irradiated by the light source, and a head for the bead based on image processing photographed by the camera A bead surface repair device comprising a moving grinder device and a welding device.
JP19233793A 1993-08-03 1993-08-03 Bead surface repair equipment Expired - Fee Related JP3524565B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19233793A JP3524565B2 (en) 1993-08-03 1993-08-03 Bead surface repair equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19233793A JP3524565B2 (en) 1993-08-03 1993-08-03 Bead surface repair equipment

Publications (2)

Publication Number Publication Date
JPH0740216A true JPH0740216A (en) 1995-02-10
JP3524565B2 JP3524565B2 (en) 2004-05-10

Family

ID=16289607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19233793A Expired - Fee Related JP3524565B2 (en) 1993-08-03 1993-08-03 Bead surface repair equipment

Country Status (1)

Country Link
JP (1) JP3524565B2 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100247140B1 (en) * 1997-04-29 2000-04-01 박호군 Method for removing welding bead using grinding robot system
JP2004098124A (en) * 2002-09-09 2004-04-02 Hitachi Constr Mach Co Ltd Welding method and welding system
CN104014917A (en) * 2014-06-12 2014-09-03 山东电力建设第一工程公司 Dual-camera device for monitoring welding quality of super-thick-wall high alloy steel pipelines
AU2010332508B2 (en) * 2009-12-17 2014-11-20 Saipem S.P.A Pipeline weld repairing method and apparatus
CN107838628A (en) * 2017-10-24 2018-03-27 燕山大学 A kind of grain roll roll surface combined-repair method
CN111015410A (en) * 2018-10-10 2020-04-17 衢州学院 Welding face detection device based on machine vision
CN111604754A (en) * 2020-06-23 2020-09-01 韩军奇 Working method of three-face-fit self-propelled H-shaped steel welding bead floating repair device
CN112548779A (en) * 2021-01-07 2021-03-26 南京富黎田科技有限公司 Automatic repairing device for excavator
CN112621387A (en) * 2020-12-28 2021-04-09 齐重数控装备股份有限公司 Method for detecting parallelism of vertical tool rest moving on working table of heavy vertical lathe
US11175099B2 (en) 2013-05-23 2021-11-16 Crc-Evans Pipeline International, Inc. Systems and methods for use in welding pipe segments of a pipeline
CN114273757A (en) * 2022-02-14 2022-04-05 山东汉华工业设备有限公司 Automatic welding seam tracking device for heat exchanger
US11458571B2 (en) 2016-07-01 2022-10-04 Crc-Evans Pipeline International, Inc. Systems and methods for use in welding pipe segments of a pipeline
US11767934B2 (en) 2013-05-23 2023-09-26 Crc-Evans Pipeline International, Inc. Internally welded pipes

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100247140B1 (en) * 1997-04-29 2000-04-01 박호군 Method for removing welding bead using grinding robot system
JP2004098124A (en) * 2002-09-09 2004-04-02 Hitachi Constr Mach Co Ltd Welding method and welding system
US10239163B2 (en) 2009-12-17 2019-03-26 Saipem S.P.A. Pipeline weld repairing method and apparatus
AU2010332508B2 (en) * 2009-12-17 2014-11-20 Saipem S.P.A Pipeline weld repairing method and apparatus
US11175099B2 (en) 2013-05-23 2021-11-16 Crc-Evans Pipeline International, Inc. Systems and methods for use in welding pipe segments of a pipeline
US11767934B2 (en) 2013-05-23 2023-09-26 Crc-Evans Pipeline International, Inc. Internally welded pipes
CN104014917B (en) * 2014-06-12 2016-04-06 山东电力建设第一工程公司 Dual camera monitoring hyper-thick pipe high-alloy steel pipeline welding quality device
CN104014917A (en) * 2014-06-12 2014-09-03 山东电力建设第一工程公司 Dual-camera device for monitoring welding quality of super-thick-wall high alloy steel pipelines
US11458571B2 (en) 2016-07-01 2022-10-04 Crc-Evans Pipeline International, Inc. Systems and methods for use in welding pipe segments of a pipeline
CN107838628A (en) * 2017-10-24 2018-03-27 燕山大学 A kind of grain roll roll surface combined-repair method
CN111015410A (en) * 2018-10-10 2020-04-17 衢州学院 Welding face detection device based on machine vision
CN111604754A (en) * 2020-06-23 2020-09-01 韩军奇 Working method of three-face-fit self-propelled H-shaped steel welding bead floating repair device
CN112621387A (en) * 2020-12-28 2021-04-09 齐重数控装备股份有限公司 Method for detecting parallelism of vertical tool rest moving on working table of heavy vertical lathe
CN112548779A (en) * 2021-01-07 2021-03-26 南京富黎田科技有限公司 Automatic repairing device for excavator
CN114273757A (en) * 2022-02-14 2022-04-05 山东汉华工业设备有限公司 Automatic welding seam tracking device for heat exchanger

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