KR20130008113A - Accuracy control system for fabricating blocks of a ship - Google Patents

Accuracy control system for fabricating blocks of a ship Download PDF

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KR20130008113A
KR20130008113A KR1020110068310A KR20110068310A KR20130008113A KR 20130008113 A KR20130008113 A KR 20130008113A KR 1020110068310 A KR1020110068310 A KR 1020110068310A KR 20110068310 A KR20110068310 A KR 20110068310A KR 20130008113 A KR20130008113 A KR 20130008113A
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block
blocks
shape information
work
data processing
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황성현
최주열
하성원
김현백
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현대중공업 주식회사
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    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

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Abstract

PURPOSE: A block dimensional accuracy management system is provided to increase the dimensional accuracy of a manufacture process of blocks by systematizing the assembly accuracy of the blocks by storing various information in DB. CONSTITUTION: 3D shape information of set blocks is measured. The 3D shape information is transmitted to a DB of a data processing device. The 3D shape information is compared with data of a drawing or an assembly standard stored in the DB in order to derive and determine a modification range. Modification work is performed to the blocks according to a modification command transmitted from the DB. The 3D shape information of the blocks is measured to check the dimensional accuracy of the blocks. [Reference numerals] (AA) Pre - accuracy check work; (BB,HH) Measurement(3D measuring instrument); (CC) Accuracy and 3D shape information; (DD) Measurement/determination/modification work; (EE) Measurement generation and determination through data processing; (FF) Modification work; (GG) Final - accuracy check and record keeping; (II) Measurement generation through data processing; (JJ) Result update

Description

블록 정도 관리 시스템{Accuracy control system for fabricating blocks of a ship} Accuracy control system for fabricating blocks of a ship}

본 발명은 선박이나 해양 구조물의 대형화된 블록(block)의 정도(精度) 관리를 시스템화한 것에 관한 것으로, 선체의 조립시 미리 제작된 각 단위 블록이나 블록들의 조립기준이나 설계도면상의 치수 편차에 따른 블록이나 블록 조립체의 정도(精度) 문제를 미리 파악하여 재가공이나 재용접 등의 재작업 없이 조립공정을 용이하게 하기 위하여 각 블록의 설계정보, 형상 정보, 정도 정보, 계측정보 등 각종 정보를 DB화하여 블록의 조립 정도를 시스템화하여 블록의 제조 조립 작업 공정의 정도를 높이는 블록 정도 관리를 시스템한 것에 관한 것이다.The present invention relates to the systemized control of the enlarged block of the ship or offshore structure, according to the assembly standard of the unit blocks or blocks prepared in advance during the assembly of the hull or the dimensional deviation of the design drawings DB of various information such as design information, shape information, accuracy information, measurement information, etc. of each block in order to grasp the accuracy problem of block or block assembly in advance and to facilitate the assembly process without rework or re-welding. By systemizing the degree of assembly of the block to increase the degree of manufacturing assembly work process of the block, the present invention relates to a system of block quality management.

본 발명은 선박이나 해양 구조물이 대형화됨에 따라 블록이나 블록 조립체의 조립을 용이하게 하기 위하여 블록이나 블록을 만들기 위하여 설계 도면상이나 조립기준의 범위에 적합하게 판재의 절단, 가공, 용접과 같은 조립과정을 거치게 되면 기준 블록이나 먼저 선체에 조립되어 있는 블록 및 이들 블록에 탑재되어 조립되는 탑재 블록이 변형하게 되어 치수에 편차가 발생하며, 특히 블록이 대형화함에 따라 판재의 가공이나 절단 및 용접 등에 의해 블록의 치수에 큰 정도 변화가 발생되므로, 추가의 불필요한 블록의 재가공이나 재용접 등의 재작업이 필요하게 된다.According to the present invention, an assembly process such as cutting, processing, or welding a sheet material suitable for a range of design drawings or assembly standards in order to make a block or a block in order to facilitate the assembly of a block or a block assembly as a ship or an offshore structure is enlarged. If it is placed, the standard block or the block assembled to the hull first and the mounting block mounted on these blocks will be deformed, causing deviations in dimensions. Since a large degree of change occurs in the dimensions, rework such as reworking or rewelding of additional unnecessary blocks is required.

현재 각 블록의 제조 작업 공정은 서로 다른 제조 공장이나 작업장에서 이루어지고 있으므로, 블록의 정도는 각각의 제조 작업장에서 점검되고 수정은 개별 작업장에 이루어지고 있다.At present, since the manufacturing work process of each block is performed in different manufacturing plants or workshops, the degree of block is checked in each manufacturing workshop and modifications are made in individual workshops.

그러나, 각 개별 작업장에서 블록의 정도를 유지하는 수정 작업이 된 블록을 다음 공정의 블록과 결합 조립한 후에, 또 다시 결합되어 조립된 블록의 정도를 검사하고 수정하는 작업 공정이 대형화된 블록에는 반복적으로 많이 발생되고 있는 실정이다.However, in each individual workshop, the work of reassembling the blocks that have been corrected to maintain the degree of blocks with the blocks of the next process is repeated in the block of the larger size of the process of checking and correcting the degree of assembled blocks again. It is happening a lot.

본 발명은 선박이나 해양 구조물의 대형화된 블록을 조립하는 경우에 각 블록의 조립시에 결합상의 정도 문제를 해결하고자 블록의 설계정보, 형상 정보, 정도 정보, 계측정보를 저장매체에 DB화하여 블록의 조립 정도를 시스템한 것이다.In the present invention, when assembling the large sized blocks of ships or offshore structures, the design information, the shape information, the accuracy information, and the measurement information of the blocks are made into a storage medium in order to solve the problem of the degree of coupling when assembling the blocks. The degree of assembly of the system.

상기 목적을 달성하기 위하여, 본 발명은 선각의 외업 작업의 정도를 검사하기 공정으로서 블록의 입고 및 탑재, 블록의 세팅, 블록의 세부 조정 및 부착, 용접 및 검사, 도크(dock) 탑재, 탑재 블록의 세팅과정의 수직도 및 수평도, 대각도를 검사하고 게측하여, 계측 결과와 조립기준이나 설계도면과의 차이를 판단하고, 수정 작업 필요 여부를 판단한 후, 최종 정도 검사를 수행한 후, 정도 검사 시트(check sheet)를 정도 검사 시트를 작성하고, 선각의 내업 작업시 지그 설치 작업, 판계 작업시에 전장의 검사 및 수직 정도 체크, 소조 및 중조의 탑재시에 수직도, 수평도, 대각도에 대한 정도 작업을 진행하고, 부착(취부) 작업이나 용접을 하고 검사를 한 후, 정도 검사 시트를 작성하여 저장매체에 DB화하여 저장하고, 각 선체 블록간의 정도 및 탑재시의 정도를 3D 형상으로 비교 분석하여 블록의 조립 정도 관리를 시스템한 것이다.In order to achieve the above object, the present invention is a process for inspecting the degree of field work of the hull, the receiving and mounting of the block, setting of the block, fine adjustment and attachment of the block, welding and inspection, dock mounting, mounting block After checking and measuring the vertical, horizontal and diagonal angles of the setting process, the difference between the measurement result and the assembly standard or the design drawing is judged. Create an inspection sheet for the accuracy of the inspection sheet, and install the jig during the inboard work of the hull, the inspection of the overall length during the inspection of the sheet and the vertical accuracy, and the vertical, horizontal, and diagonal angles when mounting the small and medium tanks. After carrying out work on accuracy, attaching or welding, and inspecting, make a quality test sheet, make it into DB on storage media, and save it. It is a system of control of assembly quality of blocks by comparing and analyzing in 3D shape.

본 발명에서는 블록의 조립 정도 관리를 시스템한 것에 의해 미숙련자가 3D 형상 정보, 정도 도출 및 판단이 가능한 프로그램으로 DB가 구축된 데이터처리장치를 활용하여 개별 블록이나 PE 블록, 소조 및 중조의 조립 블록 등에 대한 보다 세밀한 정도 관리가 가능하고, 정도 정보 공유에 대한 접근성이 용이하여 정도의 수정이 보다 용이할 수 있어 선박이나 해양 구조물의 생산성을 향상시킬 수 있다.
In the present invention, a system capable of assembling the degree of assembly of the block allows the inexperienced person to derive the 3D shape information, the degree of derivation and determination, and utilizes the data processing apparatus with the DB. More precise quality control is possible, and accessibility to the sharing of accuracy information can be more easily modified to improve the productivity of ships or offshore structures.

도 1은 선각 외업 작업 및 정도 작업의 과정을 나타내는 도면.
도 2는 선각의 내업 작업 및 정도 작업 과정을 나타내는 도면.
도 3은 일반 정도 관리 공정을 예시한 도면.
도 4는 본 발명의 정도 관리 공정의 하나의 예시도.BRIEF DESCRIPTION OF THE DRAWINGS The figure which shows the process of a lumber field work and a precision work.
2 is a diagram showing the office work and precision work process of the hull angle.
3 illustrates a general quality control process.
4 is an exemplary view of a quality control process of the present invention.

이하에서는 첨부한 도면을 참고로 본 발명의 구체적 실시예를 상세히 설명한다.
Hereinafter, with reference to the accompanying drawings will be described in detail a specific embodiment of the present invention.

도 1은 선각 외업 작업 및 정도 작업의 과정을 나타낸 것이고, 도 2는 선각의 내업 작업 및 정도 작업 과정을 나타낸 것이다.
Figure 1 shows the process of the hump field work and precision work, Figure 2 shows the process of the hump field work and precision work.

선박의 건조나 생산 측면에서는 선대(building berth)나 선거(dock)에서의 생산기간인 탑재공정을 단축시키는 방법은 블록의 크기를 증대시켜 블록의 숫자를 줄이는 방법이 좋지만, 조립공정의 설비와 효율성을 고려하여, 미리 다수개의 단위 블록이 조립된 선탑재 블록(pre-erection block, PE 블록)을 이용하여 탑재할 블록의 크기를 대형화하는 것이다.
In terms of ship construction and production, the method of shortening the loading process, which is the production period in the building berth or the dock, is better to increase the size of the blocks and to reduce the number of blocks. In consideration of this, the size of a block to be mounted is increased by using a pre-erection block (PE block) in which a plurality of unit blocks are assembled in advance.

그러나, 선각 외업 작업에서 이러한 PE 블록간의 조립 공정에는 기준블록과 탑재블록간의 조립시에 나타나는 수직도 및 수평도를 측정하고, 기준 블록과 탑재블록의 조립을 위하여 기준 블록과 탑재블록을 세부 조정하여 취부하고, 용접이나 체결수단에 의해 조립하고, 조립상태를 검사한 후, 보다 대형화된 PE블록들을 도크에서 도크탑재하고, 대형화된 탑재블록을 세팅하는 조립작업을 선대나 선거에서 진행하고 있다.
However, in the hull field work, in the assembling process between the PE blocks, the vertical and horizontal degrees appearing during the assembly between the reference block and the mounting block are measured, and the reference block and the mounting block are finely adjusted to assemble the reference block and the mounting block. After mounting, assembling by welding or fastening means, and inspecting the assembly state, docking of the larger PE blocks in the dock and setting the larger mounting blocks are carried out in the fleet or election.

한편, 선각 내업 작업은 판계 작업을 위하여 지그를 설치하고, 설치된 지그 위에 가공 및 절단된 판재를 설치하여 판계 작업을 수행하고, 전장 및 수직도 검사하며, 판게작업으로 만들어진 주판에 소조 및/또는 중조의 조립블록을 탑재하고, 탑재된 소조 및/또는 중조의 블록 수직도, 수평도 및 대각도 검사를 수행하고, 취부 용접을 하고, 최종 검사를 수행하고 있다.
On the other hand, the hull-industry work is to install the jig for the plate-based work, install the machined and cut plate on the installed jig to perform the plate-based work, inspect the length and verticality, and forge and / or heavy-duty to the abacus made by the plate work The assembly block of the mounting block is mounted, and the vertical, horizontal and diagonal inspections of the mounted small and / or heavy tanks are performed, the mounting welding is performed, and the final inspection is performed.

도 3에 도시된 종래의 일반 정도 관리 공정에서는 블록이나 판계의 수평도와 수직도를 체크하고, 전장 작업시에는 자를 사용하여 계측하고, 그 결과를 도면과 비교하여 판단하고 수정작업을 진행한다. 그러나, 수정 작업은 현장에서 계측한 결과와 도면을 비교하여 판단하고 수정 작업을 진행하고, 수정 작업이 진행된 블록의 정도를 검사시트(check sheet)에 기록하여 보관하고 있으나, 탑재되는 탑재블록마다 정도가 다르므로 다음의 조립 공정에서는 선 조립 공정 블록의 정도에 대응하여 수정작업 없이 탑재블록을 탑재하는 것이 용이하지 않고, 수정작업시에 수정에 필요한 결과를 현장에서 일일이 계산하여 수정하므로 즉시 대응하지 못하는 불편함이 있다.
In the conventional general quality control process shown in FIG. 3, the horizontal and vertical degrees of a block or a sheet system are checked, and measured during the electric field work using a ruler, the result is compared with the drawing, and the correction is performed. However, the correction work is determined by comparing the result measured in the field with the drawing and proceeding with the correction work, and the degree of the block in which the correction work has been recorded is recorded and stored in a check sheet. In the following assembly process, it is not easy to mount the mounting block without modification work according to the degree of pre-assembly process block. There is discomfort.

그리고, 일반적으로 선박이나 해양 구조물을 건조하기 사용되는 블록은 주로 금속 판재를 용접하여 제작하고 있으므로, 판계작업이나 기준블록에 탑재블록을 용접하여 취부하는 경우에 용접에 의한 열변형이 일어나게 되어 블록의 정도에 영향을 향상 미치고, 블록이 대형화할수록 정도 관리에 많은 어려움이 있다.
In general, the blocks used for the construction of ships or offshore structures are mainly manufactured by welding metal plates, so when the mounting block is welded to the plate work or the reference block, heat deformation occurs by welding. Increasing the effect on the degree, and the larger the block, the more difficult the quality management.

따라서, 본 발명에서는 도4에 도시된 바와 같이, 선각 내업 작업 및 선각 외업 작업 등에서 정도 검사는 숙련도를 가지지 않은 신규 인력도 손쉽게 복잡한 형상의 블록의 탑재 정도를 관리가 용이하게 할 수 있도록 한 것이다.
Therefore, in the present invention, as shown in Figure 4, the precision inspection in the hull office work and the hull field work, such that even a new manpower having no proficiency can easily manage the mounting degree of the complex shape block easily.

본 발명에서는 기준블록에 결합하여 탑재될 탑재블록의 정도 관리를 향상시키기 위하여 선 정도 검사(pre-accuracy check)를 3D 계측기 통하여 얻은 3D의 블록 형상 정보나 구조물의 형상 정보를 PDA등의 무선 단말기이나 유선을 통하여 계측결과를 데이터처리장치에 보내어 DB화하고, 데이터처리장치의 DB에 보관된 블록의 조립기준이나 설계도면과 비교하여, 그 결과를 블록 탑재현장으로 비교 판단하여 도출할 결과를 송부하여 수정작업을 신속히 하도록 한 것이다. 데이터처리장치의 DB에는 3D 형상 정보와 조립기준이나 설계도면의 정보를 비교 분석하여 수정 정도를 판단하여 도출할 수 있도록 프로그램화되어 있다. 측정된 결과와 데이터처리장치에 미리 저장된 DB의 조립기준이나 설계도면상의 치수를 벗어난 경우는 필요한 수정 작업을 수행하고, 수정작업이 완료된 블록이나 구조물의 형상에 관한 최종의 정도 검사 측정하고, 그 결과를 갱신(update)하여 데이터처리장치의 DB에 저장하여 후속의 블록이나 구조물의 조립공정에 활용할 수 있도록 한다.
In the present invention, in order to improve the quality control of the mounted block to be mounted in combination with the reference block, the 3D block shape information and the structure shape information obtained through the 3D measurement device through the pre-accuracy check are transmitted to a wireless terminal such as a PDA or the like. The measurement results are sent to the data processing device via a wire to make a DB, and the result is compared with the assembly standard or design drawing of the blocks stored in the DB of the data processing device, and the result is compared to the block mounting site to send the result to be derived. It is to make the modification work quickly. The DB of the data processing apparatus is programmed to compare and analyze the 3D shape information and the information of the assembly standard or the design drawing to determine the degree of correction. If the measured result and the assembly standard of DB pre-stored in the data processing device or the dimension on the design drawing are out of order, the necessary correction is performed, and the final degree inspection and measurement of the shape of the block or structure on which the correction is completed is performed. Update the data to be stored in the DB of the data processing device so that it can be used in the assembly process of subsequent blocks or structures.

따라서, 본 발명에서는 미숙련자가 3D 형상 정보, 정도 도출 및 판단이 가능한 프로그램으로 DB가 구축된 데이터처리장치를 활용하여 블록 정도 관리가 가능하고, 또한 개별 블록이나 PE 블록, 소조 및 중조의 조립 블록 등에 대한 보다 세밀한 정도 관리가 가능하고, 정도 정보 공유에 대한 접근성이 용이하여 정도의 수정이 보다 용이하여, 선박이나 해양 구조물의 생산성을 향상시킬 수 있다.Therefore, in the present invention, a block can be managed by a skilled person using a data processing apparatus having a DB as a program capable of 3D shape information, degree derivation and determination, and also individual blocks, PE blocks, small and heavy tank assembly blocks, and the like. More precise quality control is possible, and accessibility to the degree information sharing is easy, and the degree is more easily modified, thereby improving the productivity of ships or offshore structures.

Claims (1)

선박의 선체에 블록을 설치하기 위하여 세팅된 블록의 3D 형상 정보를 측정하는 단계,
상기 3D 형상 정보를 데이터처리장치의 DB에 전송하는 단계,
3D 형상 정보와 데이터처리장치의 DB에 저장된 조립기준 또는 설계도면의 데이터와 비교하여 수정 범위를 도출 및 판단하는 단계,
데이터처리장치의 DB에서 송부되는 수정지시에 따라 블록의 수정 작업을 수행하는 단계,
수정작업이 완료된 블록의 3D 형상 정보를 측정하여 블록 정도를 검사하는 단계 및
수정된 블록 정도 검사 결과를 데이터처리장치의 DB에 저장하여 갱신하는 단계를 포함하는 후속의 블록이나 구조물의 조립공정에 활용할 수 있도록 한 것을 특징으로 블록 정도 관리 시스템.Measuring 3D shape information of the block set to install the block in the hull of the ship,
Transmitting the 3D shape information to a DB of a data processing apparatus;
Deriving and determining a correction range by comparing the 3D shape information and the data of the assembly standard or design drawing stored in the DB of the data processing apparatus;
Performing a modification operation of the block according to the modification instruction sent from the DB of the data processing apparatus;
Checking the degree of block by measuring the 3D shape information of the block in which the correction is completed; and
A block quality management system, characterized in that for use in the assembly process of the subsequent block or structure including the step of storing and updating the modified block accuracy test result in the DB of the data processing apparatus.
KR1020110068310A 2011-07-11 2011-07-11 Accuracy control system for fabricating blocks of a ship KR20130008113A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101476909B1 (en) * 2013-05-30 2014-12-26 에스티엑스조선해양 주식회사 Real-time Process Monitoring System using Block Image
KR20160117795A (en) * 2015-03-31 2016-10-11 대우조선해양 주식회사 The dimensional control information inquiry and monitoring system
CN109783566A (en) * 2019-03-27 2019-05-21 北京计算机技术及应用研究所 A kind of product inspection data acquisition device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101476909B1 (en) * 2013-05-30 2014-12-26 에스티엑스조선해양 주식회사 Real-time Process Monitoring System using Block Image
KR20160117795A (en) * 2015-03-31 2016-10-11 대우조선해양 주식회사 The dimensional control information inquiry and monitoring system
CN109783566A (en) * 2019-03-27 2019-05-21 北京计算机技术及应用研究所 A kind of product inspection data acquisition device
CN109783566B (en) * 2019-03-27 2021-04-02 北京计算机技术及应用研究所 Product inspection data acquisition device

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