CN103624488B - A kind of self-lifting offshore wind power job platform spud leg manufacturing process - Google Patents

A kind of self-lifting offshore wind power job platform spud leg manufacturing process Download PDF

Info

Publication number
CN103624488B
CN103624488B CN201310568815.5A CN201310568815A CN103624488B CN 103624488 B CN103624488 B CN 103624488B CN 201310568815 A CN201310568815 A CN 201310568815A CN 103624488 B CN103624488 B CN 103624488B
Authority
CN
China
Prior art keywords
welding
plate
pin hole
cladding plate
groove
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.)
Active
Application number
CN201310568815.5A
Other languages
Chinese (zh)
Other versions
CN103624488A (en
Inventor
孙涛
孙银华
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.)
Nantong Rainbow Heavy Machineries Co Ltd
Original Assignee
Nantong Rainbow Heavy Machineries Co 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 Nantong Rainbow Heavy Machineries Co Ltd filed Critical Nantong Rainbow Heavy Machineries Co Ltd
Priority to CN201310568815.5A priority Critical patent/CN103624488B/en
Publication of CN103624488A publication Critical patent/CN103624488A/en
Application granted granted Critical
Publication of CN103624488B publication Critical patent/CN103624488B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0026Metals
    • E02D2300/0029Steel; Iron
    • E02D2300/0032Steel; Iron in sheet form, i.e. bent or deformed plate-material
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/28Prefabricated piles made of steel or other metals

Abstract

The present invention discloses a kind of manufacturing process of self-lifting offshore wind power job platform spud leg, comprises the following steps: steel blanking, prefabricated; Group structure is prefabricated; Single tube restraining is made; The each segmentation manufacture of leg; Cladding plate assembles; Pin hole is rule; Pin hole cuts; The assembling of cladding plate secondary, welding; Inner anti-seawater cover assembling, welding.Spud leg of the present invention adopts segmentation manufacture, the manufacturing process that final integral is closed up, and by controlling the precision that each segmentation manufactures, guarantees the accuracy of manufacture of whole spud leg.

Description

A kind of self-lifting offshore wind power job platform spud leg manufacturing process
Technical field
The present invention relates to a kind of self-lifting offshore wind power job platform spud leg manufacturing process.
Background technology
Self-lifting offshore wind power job platform, its major function is under sea bed basis has enough bearing capacity situations, more than the offshore wind farm job platform main body emersion water surface, avoids current, wave to platform direct effect, has influence on the operation of platform.After installation exercise completes, utilize elevating mechanism that platform is down to sea, and four spud legs are risen, make platform be in floating state, to move boat to next station carrying out windmill installation exercise; In this hydraulic lifting system, the manufacture of spud leg is most important.Because its accuracy of manufacture requires that high, difficulty greatly, therefore proposes very high requirement to spud leg manufacturing process.The spud leg manufacturing process flow generally adopted at present is loaded down with trivial details, complicated; Auxiliary material are many, and cost is large; Mechanical automation degree is low, and labor strength is large; Spud leg linearity, circularity are poor; The shortcomings such as transverse direction, longitudinal pin hole bigger error.
Summary of the invention
The object of the invention is to overcome above deficiency, a kind of reasonable, efficient, safe and reliable self-lifting offshore wind power job platform spud leg manufacturing process is provided.
Object of the present invention is achieved through the following technical solutions: a kind of self-lifting offshore wind power job platform spud leg manufacturing process, comprises the following steps:
A, first steel blanking, prefabricated: steel plate first to be cut hangs centering on Cutting platform, sets level, and compress prevent mobile; Process each component groove, note groove direction, the processing of bevel for welding, transition zone makes mechanically to process as far as possible, spud leg tube coupling steel plate adopts NC Flame Cutting blanking, adopt semi-automatic flame shape cutting bevel, other section bars can adopt Manual flame cutting to carry out blanking and groove preparation, spud leg cylindrical shell volume round plate width groove cuts off surplus and opens after forcing press presses two, first line will be pulled before bevel, prevent out partially, 0 ~ 2mm root is stayed in centre, opens before steel plate length direction groove volume circle after blanking; After steel blanking, the sheet material of different stage uses the paint of different colours to carry out writing of various mark, prevents material with mixed; Before rolling, thickness, size, diagonal, the flatness of inspection steel plate, draw mark line, strike sample dotting punch; Before rolling first with hydraulic press veneer reeling machine volume pressure less than plate end regions according to tube coupling radius pressure arc, output groove; Will make before tube coupling rolls and detect model (inside and outside pattern), model length at least should be greater than 1/3 circumference; Tube coupling carry out roller system after accurate positioning on roller bed; Pressure head and roller bowlder machined surface and model clearance requirement≤2.0mm; The steel plate of end press-bending radian is delivered to veneer reeling machine and is carried out tube coupling and roll, and the docking dislocation of plate controls within 2mm, and the plate seam two ends steel plate of same material stack pile is fixed as run-on tab, and mid portion is at outside (1/3 groove side) tack welding;
B, group structure are prefabricated: the first jigsaw of the 16mm flanged plate of ring muscle, the then inner 26*300 stiffening ring of welding equipment, and the small gusset of 16mm, Φ 3200 ± 2mm when requiring the external diameter 48mm wall thickness of most terminal ring muscle, and Φ 3210 ± 2mm during 42mm wall thickness, is up to the standards;
The restraining of C, single tube is made: roll the tube coupling of end through welding after the assay was approved, and tube coupling rolls longitudinal joint docking and adopts Lincoln weld; Run-on tab is installed before welding, and carefully check groove linearity, flatness, bevel angle and cleannes, require that single tube coupling linearity is less than 2mm, flatness is less than 2mm, after requiring combination for V or X-type groove, angle is greater than 50 °, and the smooth metal luster of groove interior surface, adopts SAW automatic welding after passed examination, one side carries out back gouging after having welded, and after back chipping, careful polishing carries out SAW automatic welding again; Tube coupling cylindrical shell piece, preheat temperature 80-100 ° of C; After UT detection is qualified, Hui Yuan, diameter tolerance ± 2mm;
The each segmentation manufacture of D, spud leg: every pile leg divides 3 segmentations, is respectively LEG1, LEG2, LEG3; Each segmentation is made up of 3 ~ 4 subsections again, totally 11 subsections; Each subsection is made up of 2 tube couplings, and two tube couplings are respectively after the assay was approved in turning rolls docking, and tube coupling joint uses the horse plate of stack pile ad eundem to connect, and position while welding stayed welding hole; Needing after welding uses thermal insulation material controls weld seam cool time well; Postwelding should check the overall circularity of subsection: diameter tolerance ± 2mm; Postwelding 48 hours, butt welded seam carries out 100%UT, reaches CB/T3559-1994I grade standard; 50%MT reaches CB/T3958-2004I grade standard; And spot-check 10%-20% carry out X-ray detect reach CB/T3558-1994 II grade standard;
E, cladding plate assemble: the independent machined of cladding plate, with reference to corresponding process for machining, after machined terminates, prepare groove, line assembling pin hole cladding plate also carries out mark, assemble from the cladding plate of first block, bottom, by the assembling of line size, assembly test requires pin hole longitudinal pitch tolerance+1mm, 10 hole cumulative errors 5mm, horizontal spacing tolerance+1.5mm, in four latch controls of same level position, lower deviation is not more than 1mm, the spud leg center of circle is aimed at pin hole center, left and right should be orthogonal with the center line of front and back, rule on cylindrical shell along cladding plate pin hole, cleaning eye inner barrel surface, rule on cylindrical shell along cladding plate pin hole profile, note rule must perpendicular to drum surface, lay down pin hole cladding plate, mark is carried out on the cladding plate assembled, require the position of necessary clear and definite every block cladding plate, termination towards, lay down pin hole cladding plate, and put neat, put by group, pin hole on shape cutting cylindrical shell, after checking size to reach requirement after cutting first pin hole, cutting can be continued, cladding plate close up seam each 100mm in left and right rule and cut, and spot welding is nearby on cylindrical shell, welding equipment when scene closes up,
The assembling of F, cladding plate secondary, welding: be assembled to successively after on spud leg by cladding plate by ready-made flag sequence, again weld after the assay was approved, postwelding polishing pin hole is inner, and the inner anti-seawater cover assembling of spud leg, welding postwelding polish smooth.
The present invention compared with prior art has the following advantages: have the advantages such as workable, operating efficiency is high, the accuracy of manufacture is high, labour intensity is less, reasonable, efficient, safe, reliable.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
A kind of embodiment of a kind of self-lifting offshore wind power of the present invention job platform spud leg manufacturing process: comprise the following steps:
A, first steel blanking, prefabricated: steel plate first to be cut hangs centering on Cutting platform, sets level, and compress prevent mobile; Process each component groove, note groove direction, the processing of bevel for welding, transition zone makes mechanically to process as far as possible, spud leg tube coupling steel plate adopts NC Flame Cutting blanking, adopt semi-automatic flame shape cutting bevel, other section bars can adopt Manual flame cutting to carry out blanking and groove preparation, spud leg cylindrical shell volume round plate width groove cuts off surplus and opens after forcing press presses two, first line will be pulled before bevel, prevent out partially, 0 ~ 2mm root is stayed in centre, opens before steel plate length direction groove volume circle after blanking; After steel blanking, the sheet material of different stage uses the paint of different colours to carry out writing of various mark, prevents material with mixed; Before rolling, thickness, size, diagonal, the flatness of inspection steel plate, draw mark line, strike sample dotting punch; Before rolling first with hydraulic press veneer reeling machine volume pressure less than plate end regions according to tube coupling radius pressure arc, output groove; Will make before tube coupling rolls and detect model (inside and outside pattern), model length at least should be greater than 1/3 circumference; Tube coupling carry out roller system after accurate positioning on roller bed; Pressure head and roller bowlder machined surface and model clearance requirement≤2.0mm; The steel plate of end press-bending radian is delivered to veneer reeling machine and is carried out tube coupling and roll, and the docking dislocation of plate controls within 2mm, and the plate seam two ends steel plate of same material stack pile is fixed as run-on tab, and mid portion is at outside (1/3 groove side) tack welding;
B, group structure are prefabricated: the first jigsaw of the 16mm flanged plate of ring muscle, the then inner 26*300 stiffening ring of welding equipment, and the small gusset of 16mm, Φ 3200 ± 2mm when requiring the external diameter 48mm wall thickness of most terminal ring muscle, and Φ 3210 ± 2mm during 42mm wall thickness, is up to the standards;
The restraining of C, single tube is made: roll the tube coupling of end through welding after the assay was approved, and tube coupling rolls longitudinal joint docking and adopts Lincoln weld; Run-on tab is installed before welding, and carefully check groove linearity, flatness, bevel angle and cleannes, require that single tube coupling linearity is less than 2mm, flatness is less than 2mm, after requiring combination for V or X-type groove, angle is greater than 50 °, and the smooth metal luster of groove interior surface, adopts SAW automatic welding after passed examination, one side carries out back gouging after having welded, and after back chipping, careful polishing carries out SAW automatic welding again; Tube coupling cylindrical shell piece, preheat temperature 80-100 ° of C; After UT detection is qualified, Hui Yuan, diameter tolerance ± 2mm;
The each segmentation manufacture of D, spud leg: every pile leg divides 3 segmentations, is respectively LEG1, LEG2, LEG3; Each segmentation is made up of 3 ~ 4 subsections again, totally 11 subsections; Each subsection is made up of 2 tube couplings, and two tube couplings are respectively after the assay was approved in turning rolls docking, and tube coupling joint uses the horse plate of stack pile ad eundem to connect, and position while welding stayed welding hole; Needing after welding uses thermal insulation material controls weld seam cool time well; Postwelding should check the overall circularity of subsection: diameter tolerance ± 2mm; Postwelding 48 hours, butt welded seam carries out 100%UT, reaches CB/T3559-1994I grade standard; 50%MT reaches CB/T3958-2004I grade standard; And spot-check 10%-20% carry out X-ray detect reach CB/T3558-1994 II grade standard;
E, cladding plate assemble: the independent machined of cladding plate, with reference to corresponding process for machining, after machined terminates, prepare groove, line assembling pin hole cladding plate also carries out mark, assemble from the cladding plate of first block, bottom, by the assembling of line size, assembly test requires pin hole longitudinal pitch tolerance+1mm, 10 hole cumulative errors 5mm, horizontal spacing tolerance+1.5mm, in four latch controls of same level position, lower deviation is not more than 1mm, the spud leg center of circle is aimed at pin hole center, left and right should be orthogonal with the center line of front and back, rule on cylindrical shell along cladding plate pin hole, cleaning eye inner barrel surface, rule on cylindrical shell along cladding plate pin hole profile, note rule must perpendicular to drum surface, lay down pin hole cladding plate, mark is carried out on the cladding plate assembled, require the position of necessary clear and definite every block cladding plate, termination towards, lay down pin hole cladding plate, and put neat, put by group, pin hole on shape cutting cylindrical shell, after checking size to reach requirement after cutting first pin hole, cutting can be continued, cladding plate close up seam each 100mm in left and right rule and cut, and spot welding is nearby on cylindrical shell, welding equipment when scene closes up,
The assembling of F, cladding plate secondary, welding: be assembled to successively after on spud leg by cladding plate by ready-made flag sequence, again weld after the assay was approved, postwelding polishing pin hole is inner, and the inner anti-seawater cover assembling of spud leg, welding postwelding polish smooth.
The present invention has the advantages such as workable, operating efficiency is high, the accuracy of manufacture is high, labour intensity is less by optimal design.

Claims (1)

1. a self-lifting offshore wind power job platform spud leg manufacturing process, is characterized in that: comprise the following steps:
A, first steel blanking, prefabricated: steel plate first to be cut hangs centering on Cutting platform, sets level, and compress prevent mobile; Process each component groove, note groove direction, the processing of bevel for welding, transition zone makes mechanically to process as far as possible, spud leg tube coupling steel plate adopts NC Flame Cutting blanking, adopt semi-automatic flame shape cutting bevel, other section bars can adopt Manual flame cutting to carry out blanking and groove preparation, spud leg cylindrical shell volume round plate width groove cuts off surplus and opens after forcing press presses two, first line will be pulled before bevel, prevent out partially, 0 ~ 2mm is stayed in centre, opens before steel plate length direction groove volume circle after blanking; After steel blanking, the sheet material of different stage uses the paint of different colours to carry out writing of various mark, prevents material with mixed; Thickness, size, diagonal, the flatness of inspection steel plate before rolling, line, strikes sample dotting punch; Before rolling first with hydraulic press veneer reeling machine volume pressure less than plate end regions according to tube coupling radius pressure arc, output groove; Will make inside and outside pattern before tube coupling rolls and detect model, model length at least should be greater than 1/3 circumference; Tube coupling carry out roller system after accurate positioning on roller bed; Pressure head and roller bowlder machined surface and model clearance requirement≤2.0mm; The steel plate of end press-bending radian is delivered to veneer reeling machine and is carried out tube coupling and roll, and the docking dislocation of plate controls within 2mm, and the plate seam two ends steel plate of same material stack pile is fixed as run-on tab, and mid portion is at groove side, outside 1/3 tack welding;
B, group structure are prefabricated: the first jigsaw of the flanged plate that the 16mm of ring muscle is thick, then the stiffening ring that the inner 26mm of welding equipment thick * 300mm is wide, and the small gusset that 16mm is thick, Φ 3200 ± 2mm when requiring the external diameter 48mm wall thickness of most terminal ring muscle, during 42mm wall thickness, Φ 3210 ± 2mm, is up to the standards;
The restraining of C, single tube is made: roll the tube coupling of end through welding after the assay was approved, and tube coupling rolls longitudinal joint docking and adopts Lincoln weld; Run-on tab is installed before welding, and carefully check groove linearity, flatness, bevel angle and cleannes, require that single tube coupling linearity is less than 2mm, flatness is less than 2mm, after requiring combination for V or X-type groove, angle is greater than 50 °, and the smooth metal luster of groove interior surface, adopts SAW automatic welding after passed examination, one side carries out back gouging after having welded, and after back chipping, careful polishing carries out SAW automatic welding again; Tube coupling cylindrical shell piece, preheat temperature 80-100 ° of C; After UT detection is qualified, Hui Yuan, diameter tolerance ± 2mm;
The each segmentation manufacture of D, spud leg: every pile leg divides 3 segmentations, is respectively LEG1, LEG2, LEG3; Each segmentation is made up of 3 ~ 4 subsections again, totally 11 subsections; Each subsection is made up of 2 tube couplings, and two tube couplings are respectively after the assay was approved in turning rolls docking, and tube coupling joint uses the horse plate of stack pile ad eundem to connect, and position while welding stayed welding hole; Needing after welding uses thermal insulation material controls weld seam cool time well; Postwelding should check the overall circularity of subsection: diameter tolerance ± 2mm; Postwelding 48 hours, butt welded seam carries out 100%UT, reaches CB/T3559-1994I grade standard; 50%MT reaches CB/T3958-2004I grade standard; And spot-check 10%-20% carry out X-ray detect reach CB/T3558-1994 II grade standard;
E, cladding plate assemble: the independent machined of cladding plate, with reference to corresponding process for machining, after machined terminates, prepare groove, line assembling pin hole cladding plate also carries out mark, assemble from the cladding plate of first block, bottom, by the assembling of line size, assembly test requires pin hole longitudinal pitch tolerance+1mm, 10 hole cumulative errors 5mm, horizontal spacing tolerance+1.5mm, on four pin holes of same level position, lower deviation is not more than 1mm, the spud leg center of circle is aimed at pin hole center, left and right should be orthogonal with the center line of front and back, rule on cylindrical shell along cladding plate pin hole, cleaning eye inner barrel surface, rule on cylindrical shell along cladding plate pin hole profile, note rule must perpendicular to drum surface, lay down pin hole cladding plate, mark is carried out on the cladding plate assembled, require the position of necessary clear and definite every block cladding plate, termination towards, lay down pin hole cladding plate, and put neat, put by group, pin hole on shape cutting cylindrical shell, after checking size to reach requirement after cutting first pin hole, cutting can be continued, cladding plate close up seam each 100mm in left and right rule and cut, and spot welding is nearby on cylindrical shell, welding equipment when scene closes up,
The assembling of F, cladding plate secondary, welding: be assembled to successively after on spud leg by cladding plate by ready-made flag sequence, again weld after the assay was approved, postwelding polishing pin hole is inner, and the inner anti-seawater cover assembling of spud leg, welding postwelding polish smooth.
CN201310568815.5A 2013-11-15 2013-11-15 A kind of self-lifting offshore wind power job platform spud leg manufacturing process Active CN103624488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310568815.5A CN103624488B (en) 2013-11-15 2013-11-15 A kind of self-lifting offshore wind power job platform spud leg manufacturing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310568815.5A CN103624488B (en) 2013-11-15 2013-11-15 A kind of self-lifting offshore wind power job platform spud leg manufacturing process

Publications (2)

Publication Number Publication Date
CN103624488A CN103624488A (en) 2014-03-12
CN103624488B true CN103624488B (en) 2016-02-10

Family

ID=50206127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310568815.5A Active CN103624488B (en) 2013-11-15 2013-11-15 A kind of self-lifting offshore wind power job platform spud leg manufacturing process

Country Status (1)

Country Link
CN (1) CN103624488B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384733B (en) * 2014-10-23 2016-04-20 武汉船用机械有限责任公司 For the weld industry technique that bolt-type hoistable platform spud leg makes
CN104590505B (en) * 2014-12-03 2016-09-14 中船黄埔文冲船舶有限公司 Straight pin cellular type spud leg construction precision control method
CN104889682B (en) * 2015-05-25 2017-09-01 南通中远船务工程有限公司 A kind of spud leg sectional construction method
CN105414907A (en) * 2016-01-11 2016-03-23 南通振华重型装备制造有限公司 Building technology for pile leg of self-elevating wind power vessel
CN106475741B (en) * 2016-10-20 2018-11-09 南通振华重型装备制造有限公司 A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology
CN106812126B (en) * 2017-01-13 2018-10-30 广东精铟海洋工程股份有限公司 A kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into
CN107470860B (en) * 2017-07-17 2019-05-21 南通蓝岛海洋工程有限公司 A kind of building technology of offshore boosting station lower component
CN107825069B (en) * 2017-07-21 2019-11-15 南通振华重型装备制造有限公司 A kind of interior center support system manufacture craft
CN107841932A (en) * 2017-10-19 2018-03-27 中国建筑土木建设有限公司 Bowstring arch bridge rib-lifting section makes and installation and locating method
CN107825077B (en) * 2017-11-16 2019-07-19 南通蓝岛海洋工程有限公司 It is a kind of to rise self-propulsion type platform leg building technology certainly
CN108385643A (en) * 2018-03-16 2018-08-10 上海船舶研究设计院(中国船舶工业集团公司第六0四研究院) A kind of lifting platform hydraulic bolt formula spud leg
CN108817607A (en) * 2018-07-10 2018-11-16 湖南机电职业技术学院 Wind-power electricity generation stake welding procedure
CN109604980B (en) * 2018-11-08 2020-11-27 武汉船用机械有限责任公司 Manufacturing method of long cylindrical mold structural member
CN109648269B (en) * 2019-01-02 2021-07-09 南通泰胜蓝岛海洋工程有限公司 Construction process of lifting leg pile of marine life platform
CN111604643B (en) * 2020-05-08 2021-06-15 友联船厂(蛇口)有限公司 Manufacturing and mounting process of crane upright column for ship and ocean engineering
CN112496498A (en) * 2020-12-23 2021-03-16 合肥紫金钢管股份有限公司 Preparation process of longitudinal submerged arc welded steel pipe for offshore wind power single-pile foundation
CN114227156A (en) * 2021-12-10 2022-03-25 中国水电四局(酒泉)新能源装备有限公司 Assembly construction method of wind power foundation steel pipe piles
CN114012372B (en) * 2022-01-05 2022-04-08 中交三航(南通)海洋工程有限公司 Construction method of super-large-diameter single-pile composite cylinder

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206326A (en) * 1982-05-27 1983-12-01 Akebono Brake Ind Co Ltd Piston manufacturing method
CN101576197A (en) * 2009-06-01 2009-11-11 中国海洋石油总公司 Semicircular plate used for oil drilling platform leg and manufacture process thereof
CN201455498U (en) * 2009-04-01 2010-05-12 哈尔滨四海数控科技股份有限公司 Oil platform leg welding production line
CN102416554A (en) * 2011-09-28 2012-04-18 南通润邦海洋工程装备有限公司 Technology for making pile legs of wind power installation ship
CN102527718A (en) * 2010-12-17 2012-07-04 天津重型装备工程研究有限公司 Molding process of semicircular plate for pile leg of oil drilling platform
WO2012113119A1 (en) * 2011-02-22 2012-08-30 中国石油天然气集团公司 Method for producing x90 steel grade elbow pipe and pipe fittings
CN102658451A (en) * 2011-11-09 2012-09-12 江苏海上龙源风力发电有限公司 Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment
CN102699494A (en) * 2012-07-04 2012-10-03 上海振华重工集团(南通)传动机械有限公司 Overall heating automatic welding process of spud leg main coil of offshore drilling platform and special tool of overall heating automatic welding process
CN102717168A (en) * 2012-07-04 2012-10-10 上海振华重工集团(南通)传动机械有限公司 Technology for manufacturing chord tube for ocean platform pile leg main coil
CN102806428A (en) * 2012-09-04 2012-12-05 南通润邦重机有限公司 Integral manufacturing method for container spreader
CN103157954A (en) * 2011-12-09 2013-06-19 韶关市中机重工锻压有限公司 Forging suppressing manufacturing technique of semi-circle plate for oil drilling platform spud legs
CN103157654A (en) * 2011-12-09 2013-06-19 韶关市中机重工锻压有限公司 Rolling manufacturing technique of semi-circle plate for oil drilling platform spud legs

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206326A (en) * 1982-05-27 1983-12-01 Akebono Brake Ind Co Ltd Piston manufacturing method
CN201455498U (en) * 2009-04-01 2010-05-12 哈尔滨四海数控科技股份有限公司 Oil platform leg welding production line
CN101576197A (en) * 2009-06-01 2009-11-11 中国海洋石油总公司 Semicircular plate used for oil drilling platform leg and manufacture process thereof
CN102527718A (en) * 2010-12-17 2012-07-04 天津重型装备工程研究有限公司 Molding process of semicircular plate for pile leg of oil drilling platform
WO2012113119A1 (en) * 2011-02-22 2012-08-30 中国石油天然气集团公司 Method for producing x90 steel grade elbow pipe and pipe fittings
CN102416554A (en) * 2011-09-28 2012-04-18 南通润邦海洋工程装备有限公司 Technology for making pile legs of wind power installation ship
CN102658451A (en) * 2011-11-09 2012-09-12 江苏海上龙源风力发电有限公司 Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment
CN103157954A (en) * 2011-12-09 2013-06-19 韶关市中机重工锻压有限公司 Forging suppressing manufacturing technique of semi-circle plate for oil drilling platform spud legs
CN103157654A (en) * 2011-12-09 2013-06-19 韶关市中机重工锻压有限公司 Rolling manufacturing technique of semi-circle plate for oil drilling platform spud legs
CN102699494A (en) * 2012-07-04 2012-10-03 上海振华重工集团(南通)传动机械有限公司 Overall heating automatic welding process of spud leg main coil of offshore drilling platform and special tool of overall heating automatic welding process
CN102717168A (en) * 2012-07-04 2012-10-10 上海振华重工集团(南通)传动机械有限公司 Technology for manufacturing chord tube for ocean platform pile leg main coil
CN102806428A (en) * 2012-09-04 2012-12-05 南通润邦重机有限公司 Integral manufacturing method for container spreader

Also Published As

Publication number Publication date
CN103624488A (en) 2014-03-12

Similar Documents

Publication Publication Date Title
CN103624488B (en) A kind of self-lifting offshore wind power job platform spud leg manufacturing process
CN102416554B (en) Technology for making pile legs of wind power installation ship
CN106695252A (en) Method for manufacturing main body structure of wind turbine tower
CN107825077B (en) It is a kind of to rise self-propulsion type platform leg building technology certainly
CN103273281B (en) A kind of construction technology of thin-wall barrel
CN109648269B (en) Construction process of lifting leg pile of marine life platform
CN105414907A (en) Building technology for pile leg of self-elevating wind power vessel
CN107401175B (en) A kind of method of construction of the upper guide pipe support of six pile leaders frame
CN103707011A (en) Production process of iron-removing filter
CN109604980B (en) Manufacturing method of long cylindrical mold structural member
CN102632370A (en) Manufacturing process of inner cover of total hydrogen cover-type furnace
CN114248030B (en) Control construction method for flatness of flange of tower barrel before welding
CN114211089A (en) Pipeline flexible assembly and automatic welding composite working method
CN114833482A (en) Construction method and auxiliary device for lining stainless steel plate of large-diameter tower equipment
CN202368981U (en) Large-scale recovered oil gas storage tank
CN113909647B (en) Rapid manufacturing method of large-scale steel pipe pile for offshore wind power foundation
CN111604643B (en) Manufacturing and mounting process of crane upright column for ship and ocean engineering
CN106698977A (en) Method for manufacturing angle ring equipment of dual-hearth lime kiln
CN106363369A (en) Shield machining method for large-diameter shield tunneling machine
CN106552832A (en) A kind of manufacturing process of nuclear fuel storage framework bush square tube
CN109604970A (en) A kind of export structure production method of propulsion device
CN111774813B (en) Method for manufacturing inner field of folding pipe
CN112475558A (en) Technology for processing and manufacturing steel pipe of suction tube for suction type jacket
CN104175073B (en) A kind of stern roller processing technology
CN113814676A (en) Manufacturing method of large-diameter tower equipment

Legal Events

Date Code Title Description
PB01 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