CN107662059A - A kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method - Google Patents

A kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method Download PDF

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Publication number
CN107662059A
CN107662059A CN201710846791.3A CN201710846791A CN107662059A CN 107662059 A CN107662059 A CN 107662059A CN 201710846791 A CN201710846791 A CN 201710846791A CN 107662059 A CN107662059 A CN 107662059A
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CN
China
Prior art keywords
lifting frame
frame structure
welding
lifting
enclosing
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Pending
Application number
CN201710846791.3A
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Chinese (zh)
Inventor
吴正峰
沈鹏鹏
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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Priority to CN201710846791.3A priority Critical patent/CN107662059A/en
Publication of CN107662059A publication Critical patent/CN107662059A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method; carrying by lifting frame structure, close up benchmark line, close up surplus mowing, the positioning of lifting frame structure hoisting, wall-enclosing board lifting positioning, both sides body structure lifting positioning, upper guide frame lifting positioning, lifting frame structure and enclose well welding, lifting frame structure is oriented to welding and postwelding size is applied for checking and examination step with upper, complete jack up wind-powered electricity generation mounting platform lifting frame structure general assembly and close up;The present invention closes up flow to lifting frame structure general assembly and optimized and precision controlling, has captured heavy-gauge sheeting welding and has shunk the unmanageable welding procedure of fitted position, has shortened the lifting frame folding structures cycle, realize that precision is closed up.Reaching company reduces human cost, frock cost and management cost, increases economic efficiency, and increases the purpose of the technology inside information of company.

Description

A kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method
Technical field
The present invention relates to a kind of general assembly folding method, and in particular to a kind of jack up wind-powered electricity generation mounting platform lifting frame structure General assembly folding method.
Background technology
The country in jack up wind-powered electricity generation mounting platform lifting frame structure is built, in face of heavy-gauge sheeting, high intensity, full penetration, The small highly difficult welding structure in space, is easily deformed, and closing up to be accurately positioned, control lifting frame structure perpendicularity with Relative size, in order to avoid influenceing subsequently with the spud leg rack accuracy of mesh, even resulting in mechanism can not work.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of jack up wind-powered electricity generation
Mounting platform lifting frame structure general assembly folding method.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of jack up wind-powered electricity generation mounting platform lifting Frame structure general assembly folding method, its innovative point are:Carrying by lifting frame structure, close up benchmark line, close up it is remaining Amount mowing, the positioning of lifting frame structure hoisting, wall-enclosing board lifting positioning, both sides body structure lifting positioning, upper guide frame are hung Set position, lifting frame structure and enclose well welding, lifting frame structure is oriented to welding and postwelding size is applied for checking and examination step with upper, complete Jack up wind-powered electricity generation mounting platform lifting frame structure general assembly is closed up;Comprise the following steps that:
(1)The carrying of lifting frame structure:Main hull structure starts to carry lifting frame structure after the completion of closing up welding, is risen Drop frame structure is built;
(2)Close up benchmark line:Horizontal and vertical positioning base is marked on main deck and 4200 platforms on the basis of enclosing well center Directrix, and foreign dotting punch mark is struck, foreign dotting punch error range value is 0-0.5mm, and line size is applied for checking and examination, and is allowed for access down after confirmed One step;
(3)Close up surplus mowing:Close up datum line apply for checking and examination it is qualified after, it is remaining outside mowing lifting frame and body structure closed position Amount, it is ensured that the fit-up gap for closing up place is less than or equal to 3mm;
(4)Lifting frame structure hoisting positions:Using 1200T straddle trucks turnover hoisting lifting frame structure to specified location, adjust Whole lifting frame structure side plate and forward and backward plate upper rack thickness direction center line and lifting frame structure longitudinal centre line and main first Horizontal, longitudinal datum line deviation on plate and 4200 platforms is less than 0.5mm, and it is horizontal to measure lifting frame structure using laser transit To, longitudinally perpendicular degree, it is qualified after interruption be welded and fixed, and fixed using Karma auxiliary, lifting frame structure hoisting makes afterwards in place Supportted and fixed with technique, the installation of main deck insert plate;
(5)Wall-enclosing board lifting positioning:After the completion of lifting frame structure positioning, the wall-enclosing board of installation connection lifting structure, adjustment is enclosed Wallboard and lifting frame structure and well segmentation relative position is enclosed, ensure a diameter of 4338-4342mm of wall-enclosing board internal diameter size, leg After plate is adjusted in place, welding wall-enclosing board is with enclosing well segmented welding;
(6)Both sides body structure lifting positioning:Using 1200T straddle truck turnover hoistings both sides body structure to specified location, with Body structure is adjusted in place on the basis of ground line-transect and casing center line, body structure need to be ensured and enclose well segmentation and wall-enclosing board mistake Side amount is less than or equal to 2mm, and casing is horizontal, longitudinally perpendicular spend is less than or equal to 3mm, and then welding casing structure is welded with enclosing well segmentation Connect, first welding casing structure is with enclosing bulkhead abutment joint in well segmentation, and then welding casing structure and wall-enclosing board abutment joint, are finally welded Connect body structure and main deck weld seam;
(7)Upper guide frame lifting positioning:Closed up using guide frame on 1200T gantry crane liftings, with main deck outwardly sample Lifting frame structure is adjusted on the basis of line and lifting frame structure cross centre line, guide frame level is less than or equal in guarantee 3mm, rack central line, cross centre line and the ground line-transect deviation on upper guide frame surface are less than or equal to 0.5mm, upper guide frame 3mm is less than or equal to muscle, unfitness of butt joint with lifting frame structure;
(8)Lifting frame structure is with enclosing well welding:The welding forward and backward cover plate of lifting frame structure is with enclosing well segmentation main deck, 4200 The weld seam of platform, welding lift weld seam of the plate with enclosing the platform of well 4200 in mount structure, and welding lifting frame structure side plate is with enclosing well Main deck, the weld seam of 4200 platforms are segmented, lifting frame structure wall-enclosing board and internal gusset is welded and encloses well 4200 platforms of segmentation Weld seam, welding lifting frame structure and enclose the internal longitudinal bulkhead of well segmentation, 3 sections of weld seam point during welding, apply simultaneously from bottom to top Weldering, welding lifting frame structure and leg plate welding seams, 6 sections of weld seam point during welding, from bottom to top welding simultaneously, size apply for checking and examination, pass through Enter in next step after confirmation;
(9)Upper guide frame weld seam, plate and upper guide frame weld seam in lifting frame structure are welded, size is applied for checking and examination, after confirmation, weldering Lifting frame structure side plate, wall-enclosing board and upper guide frame weld seam are connect, welding lifting frame inside configuration dividing plate is tied with upper be oriented to Well segmentation and angle steel, the elbow of lifting frame structure box beam are enclosed in structure weld seam, welding casing structure and upper guide frame weld seam, welding Plate;
(10)Postwelding size is applied for checking and examination:Applying for checking and examination for overall dimensions is carried out, after confirmed, that is, completes the lifting of jack up wind-powered electricity generation mounting platform Frame structure general assembly is closed up.
Beneficial effects of the present invention are as follows:The present invention lifting frame structure general assembly is closed up flow optimized and essence Degree control, heavy-gauge sheeting welding is captured and has shunk the unmanageable welding procedure of fitted position, shortened lifting frame folding structures week Phase, realize that precision is closed up.Reaching company reduces human cost, frock cost and management cost, increases economic efficiency, and increase is public The purpose of the technology inside information of department.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.
A kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method, by taking for lifting frame structure Carry, close up benchmark line, close up surplus mowing, the positioning of lifting frame structure hoisting, wall-enclosing board lifting positioning, both sides body structure Lifting positioning, upper guide frame lifting positioning, lifting frame structure and enclose well welding, lifting frame structure with it is upper be oriented to welding and Postwelding size is applied for checking and examination step, is completed jack up wind-powered electricity generation mounting platform lifting frame structure general assembly and is closed up;Comprise the following steps that:
(1)The carrying of lifting frame structure:Main hull structure starts to carry lifting frame structure after the completion of closing up welding, is risen Drop frame structure is built;
(2)Close up benchmark line:Horizontal and vertical positioning base is marked on main deck and 4200 platforms on the basis of enclosing well center Directrix, and foreign dotting punch mark is struck, foreign dotting punch error range value is 0-0.5mm, and line size is applied for checking and examination, and is allowed for access down after confirmed One step;
(3)Close up surplus mowing:Close up datum line apply for checking and examination it is qualified after, it is remaining outside mowing lifting frame and body structure closed position Amount, it is ensured that the fit-up gap for closing up place is less than or equal to 3mm;
(4)Lifting frame structure hoisting positions:Using 1200T straddle trucks turnover hoisting lifting frame structure to specified location, adjust Whole lifting frame structure side plate and forward and backward plate upper rack thickness direction center line and lifting frame structure longitudinal centre line and main first Horizontal, longitudinal datum line deviation on plate and 4200 platforms is less than 0.5mm, and it is horizontal to measure lifting frame structure using laser transit To, longitudinally perpendicular degree, it is qualified after interruption be welded and fixed, and fixed using Karma auxiliary, lifting frame structure hoisting makes afterwards in place Supportted and fixed with technique, the installation of main deck insert plate;
(5)Wall-enclosing board lifting positioning:After the completion of lifting frame structure positioning, the wall-enclosing board of installation connection lifting structure, adjustment is enclosed Wallboard and lifting frame structure and well segmentation relative position is enclosed, ensure a diameter of 4338-4342mm of wall-enclosing board internal diameter size, leg After plate is adjusted in place, welding wall-enclosing board is with enclosing well segmented welding;
(6)Both sides body structure lifting positioning:Using 1200T straddle truck turnover hoistings both sides body structure to specified location, with Body structure is adjusted in place on the basis of ground line-transect and casing center line, body structure need to be ensured and enclose well segmentation and wall-enclosing board mistake Side amount is less than or equal to 2mm, and casing is horizontal, longitudinally perpendicular spend is less than or equal to 3mm, and then welding casing structure is welded with enclosing well segmentation Connect, first welding casing structure is with enclosing bulkhead abutment joint in well segmentation, and then welding casing structure and wall-enclosing board abutment joint, are finally welded Connect body structure and main deck weld seam;
(7)Upper guide frame lifting positioning:Closed up using guide frame on 1200T gantry crane liftings, with main deck outwardly sample Lifting frame structure is adjusted on the basis of line and lifting frame structure cross centre line, guide frame level is less than or equal in guarantee 3mm, rack central line, cross centre line and the ground line-transect deviation on upper guide frame surface are less than or equal to 0.5mm, upper guide frame 3mm is less than or equal to muscle, unfitness of butt joint with lifting frame structure;
(8)Lifting frame structure is with enclosing well welding:The welding forward and backward cover plate of lifting frame structure is with enclosing well segmentation main deck, 4200 The weld seam of platform, welding lift weld seam of the plate with enclosing the platform of well 4200 in mount structure, and welding lifting frame structure side plate is with enclosing well Main deck, the weld seam of 4200 platforms are segmented, lifting frame structure wall-enclosing board and internal gusset is welded and encloses well 4200 platforms of segmentation Weld seam, welding lifting frame structure and enclose the internal longitudinal bulkhead of well segmentation, 3 sections of weld seam point during welding, apply simultaneously from bottom to top Weldering, welding lifting frame structure and leg plate welding seams, 6 sections of weld seam point during welding, from bottom to top welding simultaneously, size apply for checking and examination, pass through Enter in next step after confirmation;
(9)Upper guide frame weld seam, plate and upper guide frame weld seam in lifting frame structure are welded, size is applied for checking and examination, after confirmation, weldering Lifting frame structure side plate, wall-enclosing board and upper guide frame weld seam are connect, welding lifting frame inside configuration dividing plate is tied with upper be oriented to Well segmentation and angle steel, the elbow of lifting frame structure box beam are enclosed in structure weld seam, welding casing structure and upper guide frame weld seam, welding Plate;
(10)Postwelding size is applied for checking and examination:Applying for checking and examination for overall dimensions is carried out, after confirmed, that is, completes the lifting of jack up wind-powered electricity generation mounting platform Frame structure general assembly is closed up.
The present invention closes up flow to lifting frame structure general assembly and optimized and precision controlling, has captured heavy-gauge sheeting weldering The unmanageable welding procedure of contracting fitted position is received, shortens the lifting frame folding structures cycle, realizes that precision is closed up.Reach public Department reduces human cost, frock cost and management cost, increases economic efficiency, increases the purpose of the technology inside information of company.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention Rights protection scope in.

Claims (1)

  1. A kind of 1. jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method, it is characterised in that:By lifting frame The carrying of structure, close up benchmark line, close up surplus mowing, the positioning of lifting frame structure hoisting, wall-enclosing board lifting positioning, both sides Body structure lifting positioning, upper guide frame lifting positioning, lifting frame structure are with enclosing well welding, lifting frame structure with above leading Applied for checking and examination step to welding and postwelding size, complete jack up wind-powered electricity generation mounting platform lifting frame structure general assembly and close up;Specific steps It is as follows:
    (1)The carrying of lifting frame structure:Main hull structure starts to carry lifting frame structure after the completion of closing up welding, is risen Drop frame structure is built;
    (2)Close up benchmark line:Horizontal and vertical positioning base is marked on main deck and 4200 platforms on the basis of enclosing well center Directrix, and foreign dotting punch mark is struck, foreign dotting punch error range value is 0-0.5mm, and line size is applied for checking and examination, and is allowed for access down after confirmed One step;
    (3)Close up surplus mowing:Close up datum line apply for checking and examination it is qualified after, it is remaining outside mowing lifting frame and body structure closed position Amount, it is ensured that the fit-up gap for closing up place is less than or equal to 3mm;
    (4)Lifting frame structure hoisting positions:Using 1200T straddle trucks turnover hoisting lifting frame structure to specified location, adjust Whole lifting frame structure side plate and forward and backward plate upper rack thickness direction center line and lifting frame structure longitudinal centre line and main first Horizontal, longitudinal datum line deviation on plate and 4200 platforms is less than 0.5mm, and it is horizontal to measure lifting frame structure using laser transit To, longitudinally perpendicular degree, it is qualified after interruption be welded and fixed, and fixed using Karma auxiliary, lifting frame structure hoisting makes afterwards in place Supportted and fixed with technique, the installation of main deck insert plate;
    (5)Wall-enclosing board lifting positioning:After the completion of lifting frame structure positioning, the wall-enclosing board of installation connection lifting structure, adjustment is enclosed Wallboard and lifting frame structure and well segmentation relative position is enclosed, ensure a diameter of 4338-4342mm of wall-enclosing board internal diameter size, leg After plate is adjusted in place, welding wall-enclosing board is with enclosing well segmented welding;
    (6)Both sides body structure lifting positioning:Using 1200T straddle truck turnover hoistings both sides body structure to specified location, with Body structure is adjusted in place on the basis of ground line-transect and casing center line, body structure need to be ensured and enclose well segmentation and wall-enclosing board mistake Side amount is less than or equal to 2mm, and casing is horizontal, longitudinally perpendicular spend is less than or equal to 3mm, and then welding casing structure is welded with enclosing well segmentation Connect, first welding casing structure is with enclosing bulkhead abutment joint in well segmentation, and then welding casing structure and wall-enclosing board abutment joint, are finally welded Connect body structure and main deck weld seam;
    (7)Upper guide frame lifting positioning:Closed up using guide frame on 1200T gantry crane liftings, with main deck outwardly sample Lifting frame structure is adjusted on the basis of line and lifting frame structure cross centre line, guide frame level is less than or equal in guarantee 3mm, rack central line, cross centre line and the ground line-transect deviation on upper guide frame surface are less than or equal to 0.5mm, upper guide frame 3mm is less than or equal to muscle, unfitness of butt joint with lifting frame structure;
    (8)Lifting frame structure is with enclosing well welding:The welding forward and backward cover plate of lifting frame structure is with enclosing well segmentation main deck, 4200 The weld seam of platform, welding lift weld seam of the plate with enclosing the platform of well 4200 in mount structure, and welding lifting frame structure side plate is with enclosing well Main deck, the weld seam of 4200 platforms are segmented, lifting frame structure wall-enclosing board and internal gusset is welded and encloses well 4200 platforms of segmentation Weld seam, welding lifting frame structure and enclose the internal longitudinal bulkhead of well segmentation, 3 sections of weld seam point during welding, apply simultaneously from bottom to top Weldering, welding lifting frame structure and leg plate welding seams, 6 sections of weld seam point during welding, from bottom to top welding simultaneously, size apply for checking and examination, pass through Enter in next step after confirmation;
    (9)Lifting frame structure is welded with upper be oriented to:Weld the forward and backward cover plate of lifting frame structure and upper guide frame weld seam, weldering Plate and upper guide frame weld seam in lifting frame structure are connect, size is applied for checking and examination, after confirmation, welding lifting frame structure side plate, leg Plate and upper guide frame weld seam, welding lifting frame inside configuration dividing plate and upper guide frame weld seam, welding casing structure with it is upper Well segmentation and angle steel, the bracket of lifting frame structure box beam are enclosed in guide frame weld seam, welding;
    (10)Postwelding size is applied for checking and examination:Applying for checking and examination for overall dimensions is carried out, after confirmed, that is, completes the lifting of jack up wind-powered electricity generation mounting platform Frame structure general assembly is closed up.
CN201710846791.3A 2017-09-19 2017-09-19 A kind of jack up wind-powered electricity generation mounting platform lifting frame structure general assembly folding method Pending CN107662059A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485394A (en) * 2019-07-30 2019-11-22 南通振华重型装备制造有限公司 A kind of rubble laying leveling ship lifting frame method of construction
CN114604391A (en) * 2022-03-24 2022-06-10 中船黄埔文冲船舶有限公司 Pile fixing frame construction method
CN116620515A (en) * 2023-07-19 2023-08-22 中船黄埔文冲船舶有限公司 Mounting, positioning and folding method for lifting foundation of self-elevating type working platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485394A (en) * 2019-07-30 2019-11-22 南通振华重型装备制造有限公司 A kind of rubble laying leveling ship lifting frame method of construction
CN110485394B (en) * 2019-07-30 2021-02-09 南通振华重型装备制造有限公司 Construction method of lifting frame of gravel laying leveling ship
CN114604391A (en) * 2022-03-24 2022-06-10 中船黄埔文冲船舶有限公司 Pile fixing frame construction method
CN114604391B (en) * 2022-03-24 2023-05-05 中船黄埔文冲船舶有限公司 Method for constructing pile fixing frame
CN116620515A (en) * 2023-07-19 2023-08-22 中船黄埔文冲船舶有限公司 Mounting, positioning and folding method for lifting foundation of self-elevating type working platform
CN116620515B (en) * 2023-07-19 2023-11-03 中船黄埔文冲船舶有限公司 Mounting, positioning and folding method for lifting foundation of self-elevating type working platform

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Application publication date: 20180206