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CN103029808A - Manufacturing method of lifting main structure of rubble leveling ship - Google Patents

Manufacturing method of lifting main structure of rubble leveling ship Download PDF

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Publication number
CN103029808A
CN103029808A CN2012104302800A CN201210430280A CN103029808A CN 103029808 A CN103029808 A CN 103029808A CN 2012104302800 A CN2012104302800 A CN 2012104302800A CN 201210430280 A CN201210430280 A CN 201210430280A CN 103029808 A CN103029808 A CN 103029808A
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assembly
numerical control
raw materials
materials ready
prefabricated
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CN2012104302800A
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CN103029808B (en
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范正林
鞠小刚
黄平
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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SHANGHAI ZHENHUA HEAVY INDUSTRY GROUP (NANTONG) Co Ltd
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Publication of CN103029808A publication Critical patent/CN103029808A/en
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Abstract

The invention discloses a manufacturing method of a lifting main structure of a rubble leveling ship. The method comprises the following steps of: manufacturing a section 1, i.e., preparing parts 7, 9, 91, 92, 8 and 20, grouping the parts 8 and 20 into two groups, and performing digital lofting on the parts 7, 9, 91, 92, 8 and 20; manufacturing a box component 1 and a box component 2; manufacturing a box component 3; manufacturing a section 2; and splicing the section 1 and the section 2. The manufacturing method has the advantages that the process steps are simple, the general technical idea starts from the aspects such as manufacturing of novel construction equipment, improvement of the manufacturing accuracy of the construction equipment, technical thinning of manufacturing processes and optimization of a manufacturing scheme, each member is split into a plurality of members in order to guarantee the manufacturing accuracy of the general member, the manufacturing accuracy of the entire equipment is guaranteed by optimizing the manufacturing accuracy of a single member and the like.

Description

The manufacture method of jackstone leveling ship lifting main structure
Technical field
The present invention relates to a kind of manufacture method of jackstone leveling ship lifting main structure, belong to ship domain.
Background technology
In the exploration and development stage of marine oil, the ocean mobile platform has key role.In various platforms, mobile jack-up platform occupies again irreplaceable status, and especially in the present residing marine petroleum development stage of China, mobile jack-up platform is the main force in all kinds of platforms especially
Jack-up platform to accomplish " can stand, afford to rise, pull out draw ", jacking system is crucial.Jacking system platform manufacture and design and use in have considerable position, can guarantee that platform has good safety performance and in-use performance.
Present domestic lifting main structure method for making also is in the exploratory stage, does not also have the method for making of ripe jack-up platform lifting structure.
Summary of the invention
Patent of the present invention provides the method for making of the simple jack-up platform lifting of processing step main structure.
Purpose of the present invention is achieved through the following technical solutions: a kind of manufacture method of jackstone leveling ship lifting main structure: it is characterized in that, comprise following control step:
The making of A, segmentation one:
A, the part seven of getting the raw materials ready, part nine, part 91, part 92, part eight and part 20, part eight and part 20 are two groups, with part seven, part nine, part 91, part 92, part eight and part 20 numerical control setting-outs, the length direction end opening need be put the 50mm surplus when part seven, part nine, part 91, part 92 numerical control setting-out, and part eight and part 20 are combined into full circle;
After b, numerical control are complete part seven and part eight, part 91 are prefabricated into assembly with part 20, part 92 with part 20 spot welding with part eight, part nine; During welding each part is fixed on the steel plate with Karma, hanging part pads with the clout plate, welds complete rear firer and proofreaies and correct, planeness 2mm/m after proofreading and correct;
C, carry out the making of box assembly one:
C1, the part 48 of getting the raw materials ready, part 49, part 52, part 68 are rule part seven and part eight assemblies, mark 48 take first circle hole centreline as benchmark, part 49, part 52, part 68 hookup wires;
C2, according to previous step hookup wire location and installation weldment 48, part 49, part 52, part 68 on part seven and part eight assemblies, be prefabricated into assembly one, complete rear its firer is proofreaied and correct;
C3, the part 75 of getting the raw materials ready, part 76, part 77 are rule to part nine and part 20 assemblies, mark part spare 75, part 76, part 77 hookup wires take first circle hole centreline as benchmark;
C4, according to line location and installation weldment 75, part 76, part 77 on part nine and part 20 assemblies, be prefabricated into assembly two; Complete rear to its firer's correction;
C5, get the raw materials ready 19 of parts and part 18, part 19 and part 18 are carried out numerical control, diameter of bore is put the 20mm surplus in advance during part 19 numerical control, the length direction end opening is put the 50mm surplus, the monolateral 10mm stock left for machining of putting of endoporus during part 18 numerical control, outside diameter is put the 20mm surplus, thickness of slab is put the 5mm stock left for machining, and welding needs firer's smoothing after complete;
C6, part 18 and part 19 welding are prefabricated into assembly three, guarantee its squareness and concentricity when welding is installed; After finishing, welding needs firer's smoothing;
C7, get the raw materials ready part five and part three, with part five and part three numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
C8, assembly one, assembly two, assembly three, part three, part five are prefabricated into box assembly one;
The making of d, box assembly two:
D1, part 91 and part eight assemblies are rule, mark part 48, part 52, part 66, part 68 hookup wires;
D2, the part 48 of getting the raw materials ready, part 52, part 66, part 68, weldment 48, part 52, part 66, part 68 are installed on part 91 and part eight assemblies according to hookup wire, be prefabricated into assembly 1., need its firer's smoothing after complete;
D3, part 92 and part 20 assemblies are rule, mark part 51, part 73, part 74, part 75 hookup wires take first circle hole centreline as datum line;
2. d4, the part 51,73 of getting the raw materials ready, part 74, part 75 on part 92 and part 20 assemblies, are prefabricated into assembly according to line location and installation weldment 51, part 73, part 74, part 75; Complete rear to its firer's smoothing;
D5, get the raw materials ready part five and part three, with part five and part three numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
3. d6, get the raw materials ready part 18 and part 93 are prefabricated into assembly with part 18 and part 93, need firer's smoothing after welding is finished;
D7, with assembly 1., assembly 2., assembly 3., part 3, part 5 be prefabricated into box assembly two according to general casing production order;
E: box assembly three is made:
E1, the part six of getting the raw materials ready, part 15, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103 are prefabricated into widgets one according to line with part six, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103; Part 15, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103 are prefabricated into widgets two;
E2, the part one of getting the raw materials ready carry out numerical control with part one, the complete rear firer's smoothing of numerical control;
E3, widgets one, widgets two and part one are prefabricated into box assembly three,
F, the semicircular cylinder assembly four of getting the raw materials ready, with box assembly three and box assembly one, two and the semicircular cylinder assembly splice and get final product;
The making of B, segmentation two:
A, the part ten of getting the raw materials ready, part 11, part 12, carry out numerical control with part 13, after numerical control is complete, send the hole of metal working workpiece after complete;
B, the part 33,34,36 of getting the raw materials ready carry out numerical control, after numerical control is complete, send the groove on the metal working workpiece 34 to get final product after complete;
C, segmentation one and segmentation two are spliced.
The present invention compared with prior art has the following advantages: processing step is simple, the general technical thinking is made from novel preparation of construction, improve preparation of construction itself and make precision, technical refinement production process, optimize the aspects such as production program, the making precision in order to ensure overall member splits into some members with each member, by optimizing the making precision of single member, thereby guarantee whole equipment making precision.
Description of drawings:
Fig. 1 is the structural representation of part seven and part eight assemblies;
Fig. 2 is the structural representation of part 91 and part eight assemblies;
Fig. 3 is the structural representation of part nine and part 20 assemblies;
Fig. 4 is the structural representation of part 92 and part 20 assemblies;
Fig. 5 is the structural representation of assembly one;
Fig. 6 is the structural representation of assembly two;
Fig. 7 is the structural representation of assembly three;
Fig. 8 is the structural representation of box assembly one;
Fig. 9 is assembly structural representation 1.;
Figure 10 is assembly structural representation 2.;
Figure 11 is assembly structural representation 3.;
Figure 12 is the structural representation of box assembly two;
Figure 13 is the structural representation of box assembly three;
Figure 14 is the left view of box assembly three;
Figure 15 is the structural representation of segmentation two;
Figure 16 is the structural representation after segmentation one is welded with segmentation two;
Number in the figure: 7-spare seven, 9-spare nine, 91-spare 91,92-spare 92,8-spare eight, 20-spare 20,48 48,49-spare 49,52-spare 52,68 68,75-75,76-spare 76,77-spare 77,19-19,18-spare 18,5-spare five, 3-spare three, 51-51,73-spare 73,74-spare 74,75-spare 75,18-spare 18,93-spare 93,6-spare six, 15-spare 15,78-spare 78,79-spare 79,80-spare 80,81-spare 81,82-spare 82,83-spare 83,84-spare 84,85-spare 85,86-spare 86,103-spare 103,10-spare ten, 11-spare 11,12-spare 12,13-spare 13,33-33,34 34,36-36.
The specific embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
The manufacture method of a kind of jackstone leveling ship lifting of the present invention main structure is characterized in that, the technological operation step is as follows:
The making of A, segmentation one:
A, the part seven (7) of getting the raw materials ready, part nine (9), part 91 (91), part 92 (92), part eight (8) and part 20 (20), part eight (8) and part 20 (20) are two groups, with part seven (7), part nine (9), part 91 (91), part 92 (92), part eight (8) and part 20 (20) numerical control setting-outs, the length direction end opening need be put the 50mm surplus when part seven (7), part nine (9), part 91 (91), part 92 (92) numerical control setting-out, and part eight (8) and part 20 (20) are combined into full circle;
After b, numerical control are complete part seven (7) and part eight (8), part 91 (91) are prefabricated into assembly with part 20 (20), part 92 (92) with part 20 (20) spot welding with part eight (8), part nine (9); During welding each part is fixed on the steel plate with Karma, hanging part pads with the clout plate, welds complete rear firer and proofreaies and correct, planeness 2mm/m after proofreading and correct;
C, carry out the making of box assembly one:
C1, the part 48 (48) of getting the raw materials ready, part 49 (49), part 52 (52), part 68 (68), part seven (7) and part eight (8) assemblies are rule, mark 48 (48) take first circle hole centreline as benchmark, part 49 (49), part 52 (52), part 68 (68) hookup wires;
C2, according to previous step hookup wire location and installation weldment 48 (48), part 49 (49), part 52 (52), part 68 (68) on part seven (7) and part eight (8) assemblies, be prefabricated into assembly one, complete rear its firer is proofreaied and correct;
C3, the part 75 (75) of getting the raw materials ready, part 76 (76), part 77 (77), part nine (9) and part 20 (20) assemblies are rule, mark part 75 (75), part 76 (76), part 77 (77) hookup wires take first circle hole centreline as benchmark;
C4, according to line location and installation weldment 75 (75), part 76 (76), part 77 (77) on part nine (9) and part 20 (20) assemblies, be prefabricated into assembly two; Complete rear to its firer's correction;
C5, get the raw materials ready part ten nine (19) and part ten eight (18), part ten nine (19) and part ten eight (18) are carried out numerical control, diameter of bore is put the 20mm surplus in advance during part 19 (19) numerical control, the length direction end opening is put the 50mm surplus, the monolateral 10mm stock left for machining of putting of endoporus during part 18 (18) numerical control, outside diameter is put the 20mm surplus, thickness of slab is put the 5mm stock left for machining, and welding needs firer's smoothing after complete;
C6, part ten nine (19) and part ten eight (18) welding are prefabricated into assembly three, guarantee its squareness and concentricity when welding is installed; After finishing, welding needs firer's smoothing;
C7, get the raw materials ready part five (5) and part three (3), with part five (5) and part three (3) numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
C8, assembly one, assembly two, assembly three, part five (5) and part three (3) are prefabricated into box assembly one;
The making of d, box assembly two:
D1, part 91 (91) and part eight (8) assemblies are rule, mark part 48 (48), part 52 (52), part 66 (66), part 68 (68) hookup wires;
D2, the part 48 (48) of getting the raw materials ready, part 52 (52), part 66 (66), part 68 (68), weldment 48 (48), part 52 (52), part 66 (66), part 68 (68) are installed on part 91 (91) and part eight (8) assemblies according to hookup wire, be prefabricated into assembly 1., need its firer's smoothing after complete;
D3, part 92 (92) and part 20 (20) assemblies are rule, mark part 51 (51), part 73 (73), part 74 (74), part 75 (75) hookup wires take first circle hole centreline as datum line;
D4, the part 51 (51) of getting the raw materials ready, part 73 (73), part 74 (74), part 75 (75), on line location and installation weldment spare 51 (51), part 73 (73), part 74 (74), part 75 (75) to 92 (92) and part 20 (20), be prefabricated into assembly 2.; Complete rear to its firer's smoothing;
D5, get the raw materials ready part five (5) and part three (3), with part five and part three numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
3. d6, get the raw materials ready part ten eight (18) and part 93 (93) are prefabricated into assembly with part spare ten eight (18) and part 93 (93), need firer's smoothing after welding is finished;
D7, with assembly 1., assembly 2., assembly 3., part three (3), part five (5) be prefabricated into box assembly two according to general casing production order;
E: box assembly three is made:
E1, the part six (6) of getting the raw materials ready, part ten five (15), part 78 (78), part 79 (79), part 80 (80), part 81 (81), part 82 (82), part 83 (83), part 84 (84), part 85 (85), part 86 (86), part 103 (103) is according to ruling part six (6), part 78 (78), part 79 (79), part 80 (80), part 81 (81), part 82 (82), part 83 (83), part 84 (84), part 85 (85), part 86 (86), part 103 (103) is prefabricated into widgets one; Part ten five (15), part 78 (78), part 79 (79), part 80 (80), part 81 (81), part 82 (82), part 83 (83), part 84 (84), part 85 (85), part 86 (86), part 103 (103) are prefabricated into widgets two;
E2, the part one of getting the raw materials ready carry out numerical control with part one, the complete rear firer's smoothing of numerical control;
E3, widgets one, widgets two and part one are prefabricated into box assembly three,
F, the semicircular cylinder assembly four of getting the raw materials ready, with box assembly three and box assembly one, two and the semicircular cylinder assembly splice and get final product;
The making of B, segmentation two:
A, the part ten (10) of getting the raw materials ready, part ten one (11), part ten two (12), carry out numerical control with part ten three (13), after numerical control is complete, send the hole of metal working workpiece after complete;
B, the part 33 (33), 34 (34), 36 (36) of getting the raw materials ready carry out numerical control, after numerical control is complete, send the groove on the metal working workpiece 34 (34) to get final product after complete;
C, segmentation one and segmentation two are spliced.

Claims (1)

1. the manufacture method of a jackstone leveling ship lifting main structure: it is characterized in that, comprise following control step:
The making of A, segmentation one:
A, the part seven of getting the raw materials ready, part nine, part 91, part 92, part eight and part 20, part eight and part 20 are two groups, with part seven, part nine, part 91, part 92, part eight and part 20 numerical control setting-outs, the length direction end opening need be put the 50mm surplus when part seven, part nine, part 91, part 92 numerical control setting-out, and part eight and part 20 are combined into full circle;
After b, numerical control are complete part seven and part eight, part 91 are prefabricated into assembly with part 20, part 92 with part 20 spot welding with part eight, part nine; During welding each part is fixed on the steel plate with Karma, hanging part pads with the clout plate, welds complete rear firer and proofreaies and correct, planeness 2mm/m after proofreading and correct;
C, carry out the making of box assembly one:
C1, the part 48 of getting the raw materials ready, part 49, part 52, part 68 are rule part seven and part eight assemblies, mark 48 take first circle hole centreline as benchmark, part 49, part 52, part 68 hookup wires;
C2, according to previous step hookup wire location and installation weldment 48, part 49, part 52, part 68 on part seven and part eight assemblies, be prefabricated into assembly one, complete rear its firer is proofreaied and correct;
C3, the part 75 of getting the raw materials ready, part 76, part 77 are rule to part nine and part 20 assemblies, mark part spare 75, part 76, part 77 hookup wires take first circle hole centreline as benchmark;
C4, according to line location and installation weldment 75, part 76, part 77 on part nine and part 20 assemblies, be prefabricated into assembly two; Complete rear to its firer's correction;
C5, get the raw materials ready 19 of parts and part 18, part 19 and part 18 are carried out numerical control, diameter of bore is put the 20mm surplus in advance during part 19 numerical control, the length direction end opening is put the 50mm surplus, the monolateral 10mm stock left for machining of putting of endoporus during part 18 numerical control, outside diameter is put the 20mm surplus, thickness of slab is put the 5mm stock left for machining, and welding needs firer's smoothing after complete;
C6, part 18 and part 19 welding are prefabricated into assembly three, guarantee its squareness and concentricity when welding is installed; After finishing, welding needs firer's smoothing;
C7, get the raw materials ready part five and part three, with part five and part three numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
C8, assembly one, assembly two, assembly three, part three, part five are prefabricated into box assembly one;
The making of d, box assembly two:
D1, part 91 and part eight assemblies are rule, mark part 48, part 52, part 66, part 68 hookup wires;
D2, the part 48 of getting the raw materials ready, part 52, part 66, part 68, weldment 48, part 52, part 66, part 68 are installed on part 91 and part eight assemblies according to hookup wire, be prefabricated into assembly 1., need its firer's smoothing after complete;
D3, part 92 and part 20 assemblies are rule, mark part 51, part 73, part 74, part 75 hookup wires take first circle hole centreline as datum line;
2. d4, the part 51,73 of getting the raw materials ready, part 74, part 75 on part 92 and part 20 assemblies, are prefabricated into assembly according to line location and installation weldment 51, part 73, part 74, part 75; Complete rear to its firer's smoothing;
D5, get the raw materials ready part five and part three, with part five and part three numerical control setting-outs, the length direction end opening is put the 50mm surplus during numerical control setting-out;
3. d6, get the raw materials ready part 18 and part 93 are prefabricated into assembly with part 18 and part 93, need firer's smoothing after welding is finished;
D7, with assembly 1., assembly 2., assembly 3., part 3, part 5 be prefabricated into box assembly two according to general casing production order;
E: box assembly three is made:
E1, the part six of getting the raw materials ready, part 15, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103 are prefabricated into widgets one according to line with part six, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103; Part 15, part 78, part 79, part 80, part 81, part 82, part 83, part 84, part 85, part 86, part 103 are prefabricated into widgets two;
E2, the part one of getting the raw materials ready carry out numerical control with part one, the complete rear firer's smoothing of numerical control;
E3, widgets one, widgets two and part one are prefabricated into box assembly three,
F, the semicircular cylinder assembly four of getting the raw materials ready, with box assembly three and box assembly one, two and the semicircular cylinder assembly splice and get final product;
The making of B, segmentation two:
A, the part ten of getting the raw materials ready, part 11, part 12, carry out numerical control with part 13, after numerical control is complete, send the hole of metal working workpiece after complete;
B, the part 33,34,36 of getting the raw materials ready carry out numerical control, after numerical control is complete, send the groove on the metal working workpiece 34 to get final product after complete;
C, segmentation one and segmentation two are spliced.
CN201210430280.0A 2012-11-01 2012-11-01 Manufacturing method of lifting main structure of rubble leveling ship Active CN103029808B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477992A (en) * 1977-12-01 1979-06-21 Mitsui Eng & Shipbuild Co Ltd Method of building maritime structure by using plural adjacent docks
CN101644190A (en) * 2009-09-04 2010-02-10 沪东重机有限公司 Butt joint method of large cylinder-diameter diesel engine stand
US20100101478A1 (en) * 2008-10-29 2010-04-29 Samuel Manu-Tech Inc. Marine Vessel Panel Assembly And Roll-Formed Panel For Same
CN101811553A (en) * 2010-03-05 2010-08-25 南通港闸船舶制造有限公司 Preparation and on-board installation process of crane span of cutter suction dredger
CN101870335A (en) * 2010-05-31 2010-10-27 南通中远船务工程有限公司 A segmented construction accuracy control method for a cylindrical ultra-deep sea drilling platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477992A (en) * 1977-12-01 1979-06-21 Mitsui Eng & Shipbuild Co Ltd Method of building maritime structure by using plural adjacent docks
US20100101478A1 (en) * 2008-10-29 2010-04-29 Samuel Manu-Tech Inc. Marine Vessel Panel Assembly And Roll-Formed Panel For Same
CN101644190A (en) * 2009-09-04 2010-02-10 沪东重机有限公司 Butt joint method of large cylinder-diameter diesel engine stand
CN101811553A (en) * 2010-03-05 2010-08-25 南通港闸船舶制造有限公司 Preparation and on-board installation process of crane span of cutter suction dredger
CN101870335A (en) * 2010-05-31 2010-10-27 南通中远船务工程有限公司 A segmented construction accuracy control method for a cylindrical ultra-deep sea drilling platform

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李小陆: "《丫髻沙大桥钢管拱肋的焊接》", 《广船科技》 *
钱木成: "《船舶上层建筑薄板变形控制》", 《广船科技》 *

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Effective date of registration: 20170215

Address after: The farm in Jiangsu province Nantong City Development Zone 226000 Riverview Road No. 1

Patentee after: Nantong Zhenhua Heavy Equipment Manufacturing Co., Ltd.

Address before: Jiangsu Zhenhua 226000 city of Nantong Province Economic and Technological Development Zone Nantong Road No. 1

Patentee before: Shanghai Zhenhua Heavy Industry Group (Nantong) Co., Ltd.