CN102848091A - Ship double bottom block assembly welding technology - Google Patents
Ship double bottom block assembly welding technology Download PDFInfo
- Publication number
- CN102848091A CN102848091A CN201210323719XA CN201210323719A CN102848091A CN 102848091 A CN102848091 A CN 102848091A CN 201210323719X A CN201210323719X A CN 201210323719XA CN 201210323719 A CN201210323719 A CN 201210323719A CN 102848091 A CN102848091 A CN 102848091A
- Authority
- CN
- China
- Prior art keywords
- welding
- skeleton
- breadth
- moulding bed
- double bottom
- 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
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a ship double bottom block assembly welding technology. The ship double bottom block assembly welding technology comprises the following steps of: presetting corresponding tire holders of the double bottom, marking a seam line mark on each tire holder, and starting to assemble external plates corresponding to the seam line marks on the tire holders, and welding the external plates; marking vertical and horizontal framework mounting lines on the external plates, and mounting a middle bottom girder; assembling vertical and horizontal frameworks at corresponding positions of the vertical and horizontal framework mounting lines, welding a front pressurizing row, welding the seam between the frameworks and the seam between the frameworks and the external plates, then, detaching the pressurizing row, correcting deformation, and fitting out block by block; hoisting inner bottom plates on the vertical and horizontal frameworks, marking block assembly locating lines on the inner bottom plates, and welding flying rings block by block; hoisting and turning over the blocks, placing the blocks on a platform, and welding the seams between the vertical and horizontal frameworks and the inner base plates, and the sealing run of the external bottom plates. With the adoption of the technology provided by the invention, the ship double bottom assembly efficiency is high, and the welding quality is good.
Description
Technical field
The present invention relates to ship structural component and install and the welding procedure field, relate in particular to a kind of boats and ships double bottom block erection welding technique.
Background technology
Ship structural component is the main support member of boats and ships, has thousands of parts to consist of.The assembling of member is one of main task of shipbuilding with welding, and the workload of hull assembling and welding accounts for more than 75% of hull construction amount of work, and wherein welding accounts for again over half.Therefore welding is the key work of shipbuilding, it is the build guality of direct relation boats and ships not only, and concerns shipbuilding efficiency.Modern age, the evolution of shipbuilding technology was the process that is strided forward to mechanization, automation by manual operations.From the fifties, hull construction has replaced riveted joint with welding, makes hull construction be improved to the block assembly mode by the mode fragmentary in bulk of using over a long period of time, has greatly improved shipbuilding efficiency.Welding method develops into Lincoln weld (seeing submerged-arc welding), semiautomatic welding, electroslag welding, gas shielded arc welding from full manual welding.From the mid-1960s, one side welding with back formation, gravity type arc welding, automatic fillet welding and the new technologies such as vertical welding and automatic transverse welding are arranged again.Welding equipment and welding material also have corresponding development.Because the Ship Structure more complicated, still need to adopt manual welding in the position that is difficult to implement automatic welding and semiautomatic welding.In conjunction with the development of solder technology, from the sixties, in sub-assembly of hull structure and block assembly, begin to adopt respectively T-shaped material welding equipment streamline and flat section welding equipment streamline.T-shaped material is the basic building block that consists of the flat section skeleton.Flat section occupies suitable proportion in Ship Structure, for example on large-scale bulk carrier and oil carrier, flat section can account for more than 50% of hull gross weight.Flat section welding equipment streamline comprises various special-purpose erection welding equipment, it utilizes conveying device to carry out continuously the operations such as charging, splice joint and welding equipment skeleton, can improve significantly the mechanization degree of block assembly, become the technological transformation of Modern Shipbuilding factory main contents it
Be exactly the defective of weldquality at Main Problems aspect the shipbuilding quality.Therefore, Weld Quality Inspection is particularly important, accomplishes to find early weld defect, and the quality of Welded Joints is made objective appraisal; Weld defect is limited in certain scope, and to guarantee navigation safety and human life property safety waterborne, common welding External Defect has; Weld Profiles and shape are undesirable, undercut, overlap, arc crater, surface pores, surperficial slag inclusion and weld crack etc.; Internal flaw has: pore, slag inclusion, weld crack, lack of penetration etc.In the shipbuilding process, the factor that affects welding quality is a lot, such as steel and welding rod quality, and groove processing and assembly precision, groove face cleaning situation and welding equipment, any one link is dealt with improperly, all can produce weld defect, affects weldquality.But main reason also be can manual control welding condition, should the choose reasonable welding procedure, constantly carry out qualification of welding procedure work, the bonding strength of ship-lifting framework and hull.
Summary of the invention
The present invention provides the boats and ships double bottom block erection welding that a kind of malformation is little, welding quality is high technique in order to solve the defective of prior art weldquality.
In order to realize the foregoing invention purpose, the technical solution adopted in the present invention is:
A kind of boats and ships double bottom block erection welding technique may further comprise the steps:
1), the default corresponding moulding bed of double bottom, and mark the jointing line mark at moulding bed, begin to assemble outside plate, outside plate assembles the jointing line mark on the corresponding moulding bed, and outside plate is welded;
2), mark in length and breadth skeleton hookup wire at outside plate, the installation bottom center girder;
3), assemble in length and breadth skeleton at skeleton hookup wire correspondence position in length and breadth, add pressure before the welding, between the welded framework and the seam between skeleton and outside plate, remove afterwards and add pressure, correct distortion, ssection fitting-out;
4), lift inner bottom plating at skeleton in length and breadth, mark segmentation at inner bottom plating position line, welding equipment segmentation suspension ring are installed;
5), with the handling of segmentation with stand up, be placed on the platform after standing up, weld the in length and breadth seam between skeleton and inner bottom plating, the back welding of Outer Bottom Plating.
In order to improve the bonding strength of outside plate and moulding bed, the present invention further optimizes, and answers anchorage to be adjacent at outside plate described in the step 1) and moulding bed, and its gap positions welding less than 3mm by draw horse and moulding bed under the outside plate.
In order to improve assembly precision and efficiency of assembling, the present invention further optimizes, and when assembling in length and breadth skeleton in the step 3), fills first floor, refills about the bottom side girder before and after it to install to two ends simultaneously, turns at last inner bottom plating side plate and bilge bracket.
Wherein, the described inner bottom plating of step 4) carries out assembly unit at platform first, be lifted on again in length and breadth on the skeleton, and with skeleton tension, positioning welding.
Whole whole in order to improve, prevent the following process problem, the present invention further optimizes, and comprises that also step 6) corrects the place of subsection deformation, marks the segmented wheel profile, and the surplus outside the outline line is cut.
The invention has the beneficial effects as follows, can realize automatic welding by the jointing line mark that outside plate assembles on the corresponding moulding bed, add pressure before the welding and effectively reduce malformation, higher by technique boats and ships double bottom efficiency of assembling of the present invention, welding quality is better.
The specific embodiment
By describing technology contents of the present invention, structural feature in detail, being realized purpose and effect, give in detail explanation below in conjunction with embodiment.
Ship assembly is exactly individuals of hull structure combiner, segmentation, the complete cross section that processing is qualified, until the technical process of hull.Hull assembling be divided into the pre-welding equipment of Ship Structure and and the building berth welding equipment, wherein the pre-welding equipment of Ship Structure is divided into again parts welding equipment, segmentation welding equipment and always assembles the welding equipment three process.The employed capital equipment of the pre-welding equipment of Ship Structure has lifting, electric welding, gas cutting and pneumatic plant, and pipeline, platform and moulding bed.Wherein platform and moulding bed are main technique equipment.
The workbench with certain level degree that platform generally is comprised of concrete pedestal and shaped steel, steel plate etc. is divided into fixed and conveyor type two large classes.
Moulding bed is shape loose tool and the workbench of making ship hull surface segmentation and curved three dimensional unit, and it should have enough structural rigidities and intensity, and Main Function is that the supporting segmentation guarantees segmentation curve form and its welding equipment distortion of control.Kind is as follows:
1. jig frame special
Jig frame special is that special-purpose certain segmentation is used, such as bottom, topside, deck panel and initial and end column sectional.As: one-board moulding bed and truss-like moulding bed.
2. general jig frame
As: frame-type active tire plate moulding bed and telescopic prop formula moulding bed.
Determining of moulding bed basal plane and moulding bed offset:
1, the moulding bed basal plane determines
The moulding bed basal plane is with the datum level that decides moulding bed working curved surface offset.Relativeness according to it and rib section and datum plane is divided into following several usually:
1) the tangent moulding bed 2) positive skew moulding bed 3) skew moulding bed 4) oblique skew moulding bed
2, the moulding bed offset determines
At first make the projection line of moulding bed basal plane at frame plan, prop up intercolumniation according to moulding bed again and obtain Zhi Zhudian at moulding bed basal plane projection line, then cross these pin deck along moulding bed basal plane projection line vertical direction, measure the distance of corresponding costal line, and deduct thickness of slab, namely obtain the height offset of moulding bed.
3, the jig structure form determines
1) military products or required precision are high, and large civilian goods should select the one-board moulding bed of good rigidly in batches;
2) segmentation of common product, the construction of single ship can be selected the posture moulding bed that spreads out;
3) segmentation that molded line curvature is little can be used the fulcrum type moulding bed;
4) enlarge the scope of application of general jig frame as far as possible.
4, moulding bed is made
1) rules at platform
2) erect pole
3) make horizontal plane
4) amount offset
A kind of boats and ships double bottom block of the present invention erection welding technique, preset first the corresponding moulding bed of double bottom, and mark the jointing line mark at moulding bed, begin to assemble outside plate, outside plate assembles the jointing line mark on the corresponding moulding bed, outside plate is welded, can adopt automatic welding, whether the center line of check moulding bed is perpendicular to reference line for frame, to guarantee the accuracy of segmentation line and assembling, described outside plate and moulding bed answer anchorage to be adjacent to, and its gap positions welding less than 3mm by draw horse and moulding bed under the outside plate; Mark in length and breadth skeleton hookup wire at outside plate, bottom center girder is installed, the line of longitudinal and transverse skeleton, the section of division center line and reference line for frame are drawn other hookup wires more first; Assemble in length and breadth skeleton at skeleton hookup wire correspondence position in length and breadth, add pressure before the welding, between the welded framework and the seam between skeleton and outside plate, remove afterwards and add pressure, rectification distortion, ssection fitting-out when assembling in length and breadth skeleton, fills first floor, refill about the bottom side girder before and after it and install to two ends simultaneously, turn at last inner bottom plating side plate and bilge bracket; Lift inner bottom plating at skeleton in length and breadth, mark segmentation at inner bottom plating position line is installed, this position line comprises segmentation center line, reference line for frame and horizontal check line, welding equipment segmentation suspension ring, described inner bottom plating carries out assembly unit at platform first, be lifted on again in length and breadth on the skeleton, and with skeleton tension, positioning welding; With the handling of segmentation with stand up, be placed on the platform after standing up, weld the in length and breadth seam between skeleton and inner bottom plating, the back welding of Outer Bottom Plating; Correct in place to subsection deformation, marks the segmented wheel profile, and the surplus outside the outline line is cut.
Check the segmentation weldquality, carry out the segmental structure check, Interventions Requested comprise: baseline deformation, length dimension, width dimensions and height dimension, and the weld seam of large joint, segmentation two ends should reserve 200-300mm and not weld, to improve the flexibility of large joint; When the basal plane of segmentation and internals out of plumb, should guarantee the correctness of its relative position; The tack welding of Steel section member should be welded in the inboard of shaped steel in order to weld in the shaped steel outside; After the completion of segmentation welding equipment, should mark segmented wheel profile and check line, so that surplus cutting and building berth general assembly; Suspension ring should be arranged on the main member infall, otherwise should do interim reinforcement, should guarantee the welding quality of suspension ring, avoid occuring the suspension ring accident; There is the segmentation of specific (special) requirements must carry out sectional-weighing for the control hull weight; The connection of skeleton must be concordant in length and breadth, so that fitting tightly the jointing line mark that assembles on the corresponding moulding bed by outside plate with skeleton, plate can realize automatic welding, add pressure before the welding and effectively reduce malformation, higher by technique boats and ships double bottom efficiency of assembling of the present invention, welding quality is better.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. a boats and ships double bottom block erection welding technique is characterized in that, may further comprise the steps:
1), the default corresponding moulding bed of double bottom, and mark the jointing line mark at moulding bed, begin to assemble outside plate, outside plate assembles the jointing line mark on the corresponding moulding bed, and outside plate is welded;
2), mark in length and breadth skeleton hookup wire at outside plate, the installation bottom center girder;
3), assemble in length and breadth skeleton at skeleton hookup wire correspondence position in length and breadth, add pressure before the welding, between the welded framework and the seam between skeleton and outside plate, remove afterwards and add pressure, correct distortion, ssection fitting-out;
4), lift inner bottom plating at skeleton in length and breadth, mark segmentation at inner bottom plating position line, welding equipment segmentation suspension ring are installed;
5), with the handling of segmentation with stand up, be placed on the platform after standing up, weld the in length and breadth seam between skeleton and inner bottom plating, the back welding of Outer Bottom Plating.
2. boats and ships double bottom block erection welding technique according to claim 1 is characterized in that, outside plate described in the step 1) and moulding bed answer anchorage to be adjacent to, and its gap positions welding less than 3mm by draw horse and moulding bed under the outside plate.
3. boats and ships double bottom block erection welding technique according to claim 1 is characterized in that, when assembling in length and breadth skeleton in the step 3), fills first floor, refills about the bottom side girder before and after it to install to two ends simultaneously, turns at last inner bottom plating side plate and bilge bracket.
4. boats and ships double bottom block erection welding technique according to claim 1 is characterized in that, the described inner bottom plating of step 4) carries out assembly unit at platform first, be lifted on again in length and breadth on the skeleton, and with skeleton tension, positioning welding.
5. boats and ships double bottom block erection welding technique according to claim 1 is characterized in that, comprises that further step 6) corrects the place of subsection deformation, marks the segmented wheel profile, and the surplus outside the outline line is cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323719.XA CN102848091B (en) | 2012-09-04 | 2012-09-04 | Ship double bottom block assembly welding technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323719.XA CN102848091B (en) | 2012-09-04 | 2012-09-04 | Ship double bottom block assembly welding technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102848091A true CN102848091A (en) | 2013-01-02 |
| CN102848091B CN102848091B (en) | 2014-10-29 |
Family
ID=47395282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210323719.XA Expired - Fee Related CN102848091B (en) | 2012-09-04 | 2012-09-04 | Ship double bottom block assembly welding technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102848091B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407545A (en) * | 2013-08-20 | 2013-11-27 | 南通中新钢构重工有限公司 | Fabrication technique of bed-jig |
| CN103464911A (en) * | 2013-09-10 | 2013-12-25 | 南通华铮隆钢业制造有限公司 | Ship segmentation body carrying final assembly and segmentation body gathering spraying process |
| CN103521980A (en) * | 2013-10-16 | 2014-01-22 | 易兵 | Technological method for group non-clamping assembly in hull |
| CN103910037A (en) * | 2014-04-15 | 2014-07-09 | 南通长航船舶配件有限公司 | Bow area construction method for self-propelled drag suction dredger ship |
| CN105015703A (en) * | 2014-04-15 | 2015-11-04 | 大连鸿运船舶重工工程技术有限公司 | Ship bottom segment assembly technology |
| CN106216915A (en) * | 2016-08-27 | 2016-12-14 | 中船澄西船舶修造有限公司 | Turn of the bilge line style false ribs position frock |
| CN109434316A (en) * | 2018-12-29 | 2019-03-08 | 芜湖造船厂有限公司 | A kind of motorboat outside plate plate sheet welding process |
| CN109515643A (en) * | 2018-10-26 | 2019-03-26 | 中船西江造船有限公司 | A kind of novel ship sectional jig and its application method |
| CN112550604A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for controlling flatness of inner bottom of duplex stainless steel of chemical tanker in segmented manner |
| CN112570859A (en) * | 2020-12-08 | 2021-03-30 | 上海振华重工启东海洋工程股份有限公司 | Sectional construction method for lower floating body |
| CN115255733A (en) * | 2022-08-09 | 2022-11-01 | 沪东中华造船(集团)有限公司 | Installation method of marine pilot door |
| CN115476983A (en) * | 2022-08-25 | 2022-12-16 | 上海江南长兴造船有限责任公司 | Double-layer bottom segmented manufacturing method based on virtual simulation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11333592A (en) * | 1998-05-25 | 1999-12-07 | Mitsubishi Heavy Ind Ltd | Automatic welding system |
| JP2004223595A (en) * | 2003-01-24 | 2004-08-12 | Ishikawajima Harima Heavy Ind Co Ltd | Welder installation device, and welder installation method |
| CN201317453Y (en) * | 2008-09-27 | 2009-09-30 | 上海江南长兴造船有限责任公司 | Double-sided ribbed slab in shipbuilding |
| KR20100074809A (en) * | 2008-12-24 | 2010-07-02 | 현대중공업 주식회사 | Protective method to stop robot body getting broken of the movable welding robot |
| CN101987401A (en) * | 2009-08-07 | 2011-03-23 | 上海外高桥造船有限公司 | Segmental assembling and welding method of stem |
| CN102059495A (en) * | 2010-11-06 | 2011-05-18 | 中国长江航运集团宜昌船厂 | Bottom template for ship frame and method for processing same |
| CN102632344A (en) * | 2011-03-29 | 2012-08-15 | 华泰(南通)船务有限公司 | Welding deformation control process for ship superstructure |
-
2012
- 2012-09-04 CN CN201210323719.XA patent/CN102848091B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11333592A (en) * | 1998-05-25 | 1999-12-07 | Mitsubishi Heavy Ind Ltd | Automatic welding system |
| JP2004223595A (en) * | 2003-01-24 | 2004-08-12 | Ishikawajima Harima Heavy Ind Co Ltd | Welder installation device, and welder installation method |
| CN201317453Y (en) * | 2008-09-27 | 2009-09-30 | 上海江南长兴造船有限责任公司 | Double-sided ribbed slab in shipbuilding |
| KR20100074809A (en) * | 2008-12-24 | 2010-07-02 | 현대중공업 주식회사 | Protective method to stop robot body getting broken of the movable welding robot |
| CN101987401A (en) * | 2009-08-07 | 2011-03-23 | 上海外高桥造船有限公司 | Segmental assembling and welding method of stem |
| CN102059495A (en) * | 2010-11-06 | 2011-05-18 | 中国长江航运集团宜昌船厂 | Bottom template for ship frame and method for processing same |
| CN102632344A (en) * | 2011-03-29 | 2012-08-15 | 华泰(南通)船务有限公司 | Welding deformation control process for ship superstructure |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会焊接学会: "《焊接手册》", 30 June 2012, 机械工业出版社 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407545A (en) * | 2013-08-20 | 2013-11-27 | 南通中新钢构重工有限公司 | Fabrication technique of bed-jig |
| CN103464911A (en) * | 2013-09-10 | 2013-12-25 | 南通华铮隆钢业制造有限公司 | Ship segmentation body carrying final assembly and segmentation body gathering spraying process |
| CN103521980A (en) * | 2013-10-16 | 2014-01-22 | 易兵 | Technological method for group non-clamping assembly in hull |
| CN103521980B (en) * | 2013-10-16 | 2015-12-23 | 易兵 | In hull, group is without code assembly technique |
| CN103910037A (en) * | 2014-04-15 | 2014-07-09 | 南通长航船舶配件有限公司 | Bow area construction method for self-propelled drag suction dredger ship |
| CN105015703A (en) * | 2014-04-15 | 2015-11-04 | 大连鸿运船舶重工工程技术有限公司 | Ship bottom segment assembly technology |
| CN106216915A (en) * | 2016-08-27 | 2016-12-14 | 中船澄西船舶修造有限公司 | Turn of the bilge line style false ribs position frock |
| CN109515643A (en) * | 2018-10-26 | 2019-03-26 | 中船西江造船有限公司 | A kind of novel ship sectional jig and its application method |
| CN109434316A (en) * | 2018-12-29 | 2019-03-08 | 芜湖造船厂有限公司 | A kind of motorboat outside plate plate sheet welding process |
| CN112550604A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for controlling flatness of inner bottom of duplex stainless steel of chemical tanker in segmented manner |
| CN112570859A (en) * | 2020-12-08 | 2021-03-30 | 上海振华重工启东海洋工程股份有限公司 | Sectional construction method for lower floating body |
| CN112570859B (en) * | 2020-12-08 | 2022-04-05 | 上海振华重工启东海洋工程股份有限公司 | Sectional construction method for lower floating body |
| CN115255733A (en) * | 2022-08-09 | 2022-11-01 | 沪东中华造船(集团)有限公司 | Installation method of marine pilot door |
| CN115255733B (en) * | 2022-08-09 | 2024-05-14 | 沪东中华造船(集团)有限公司 | Marine diversion personnel door installation method |
| CN115476983A (en) * | 2022-08-25 | 2022-12-16 | 上海江南长兴造船有限责任公司 | Double-layer bottom segmented manufacturing method based on virtual simulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102848091B (en) | 2014-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102848091B (en) | Ship double bottom block assembly welding technology | |
| CN102874379B (en) | Manufacture method of offshore riprap leveling ship | |
| CN102431626B (en) | Installation method of overlong twin-skeg structure segment and shaft bracket dock | |
| CN108177730A (en) | A kind of integrated method of construction of topside segmentation | |
| CN109625157B (en) | Method for integrally constructing wing bridge sections of large container ship | |
| CN102407921B (en) | Mounting method for sectional inversely hung rudder arm | |
| CN105015703A (en) | Ship bottom segment assembly technology | |
| CN101306717A (en) | Optical alignment method for shipbuilding central axis | |
| WO2019000751A1 (en) | Method for mounting lateral thrust device | |
| CN110877681A (en) | Large-span deck flatness control process | |
| CN102874378B (en) | Cabin basin fitting-out process | |
| CN113581408B (en) | Ship total section dividing method | |
| CN109079437A (en) | Large size liquefied gas storage multilayer limb end socket arrangement and method for construction peculiar to vessel | |
| CN113148058B (en) | Process for installing and positioning double rudder sleeve and tail casting in stage of sectional construction | |
| CN107498269A (en) | A kind of large-scale ship reception chamber manufacture method suitable for dry type ship railway carriage or compartment room | |
| CN110900081A (en) | Large box beam welding platform and welding method | |
| US2176664A (en) | Apparatus for fabricating structural elements | |
| CN103481022B (en) | A kind of Pier Formwork manufacture method | |
| CN110723263A (en) | Ship rudder blade refitting process | |
| CN102922096A (en) | On-site assembly welding method for large aluminum tower | |
| CN109967975B (en) | Method for building large floating access door | |
| CN117182461A (en) | Manufacturing and construction control method for small-curvature high-pier continuous steel box girder | |
| CN111451658A (en) | Ship alloy steel plate welding process | |
| CN102218587A (en) | Fillet-welding method for trough-shaped bulkhead and upper deck of vessel | |
| CN205366016U (en) | Bow side pushes away body centering bed -jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160606 Address after: 355000 Fujian city of Ningde province Fu'an City Gan Tang Zhen Gan line Strait tea floor No. 109 Patentee after: Century Huahai (Fujian) Shipbuilding Heavy Industry Co.,Ltd. Address before: 355009 Fujian city of Ningde province Fu'an City Gan Tang Zhen Nan Tang Bridge Patentee before: Fujian Huahai Shipbuilding Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20210904 |