CN104044696B - Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage - Google Patents
Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage Download PDFInfo
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- CN104044696B CN104044696B CN201310588873.4A CN201310588873A CN104044696B CN 104044696 B CN104044696 B CN 104044696B CN 201310588873 A CN201310588873 A CN 201310588873A CN 104044696 B CN104044696 B CN 104044696B
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Abstract
Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage, first hull is carried out plural segmentation, mud pipe in its segmentation is carried out three-dimensional lofting to determine to make and installation dimension, according to the manufactured size that three-dimensional lofting is determined, unwrapping wire platform carries out unwrapping wire to mud pipe blank, determine processing line and the detection line of mud pipe blank, fine limit work is carried out to larboard spoil hopper connection pipe, spoil hopper connection four-way, starboard spoil hopper connection pipe, larboard spoil hopper induction pipe, spoil hopper suction house steward, starboard spoil hopper induction pipe are carried out to prtreatment and reserve stock left for machining; According to the installation dimension that three-dimensional lofting is determined, in workshop, make a set of installation moulding bed, the mud pipe processed is pre-installed on installation moulding bed, then carries out fine limit work, complete moulding bed prepackage; With full standing posture laser measuring apparatus, the body section completed is measured, then carry out measurement check to closing up mouth, and then close up, invention increases processing and setting accuracy; Improve installation effectiveness.
Description
Technical field
The present invention relates to ship building technical field, be specifically related to a kind of super large caliber bimetal casting mud pipe segmentation prepackage and do not establish gathering pipe technique.
Background technology
At present in ship building, to small-bore pipeline and the medium caliber pipeline of body section prepackage, controlled by three-dimensional lofting design and construction precision, and allow when body section closes up in part, small-bore pipeline takes necessary adjustment and amendment, reached the technological requirement (i.e. non-allowance healing) that gathering pipe is not established in segmentation prepackage.But for heavy caliber pipeline and super large caliber pipeline, come only to account for about 10% of full ship pipeline consumption by its length, and tubing generally all adopts the good material of weldability.Therefore, consider from cost performance, when not having particular/special requirement, general heavy caliber pipeline and super large caliber pipeline, all require when segmentation is pre-installed to arrange gathering pipe (having surplus to close up).
And 11000m
3the supervisor's bore taking out dredging tube in dredger spoil hopper is 1000mm, and arm bore is 700mm, is to belong to super large caliber pipeline, and it takes out dredging tube is the bimetal casting mud pipe that first time adopts new material, new process is made.Butt flange on this mud outer tube layer mother pipe and female pipe is after the cast molding of employing gray cast iron material centrifugal casting, then carries out secondary centrifuging casting with rich chromium cast iron high-abrasive material on the inwall of gray cast iron pipe, makes bimetal casting mud pipe blank.Then according to the requirement of mud pipe processing drawing, carrying out machinework to the flange on every root mud pipe blank, super large caliber bimetal casting mud pipe is made.
And the maximum feature of super large caliber bimetal casting mud pipe is long service life, but the weldability of this mud tube material is poor, and its appearance profile volume is comparatively large (generally at 1 ~ 3m
3between), its heavier mass (generally between 3 ~ 5t).Therefore the scene of not being adapted at is carried out bedding-in, cutting and welding etc. to the bimetal casting mud pipe leaving surplus and is closed up work, that is, cannot implement the technological requirement that segmentation prepackage arranges gathering pipe.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of super large caliber bimetal casting mud pipe segmentation to pre-install and not establishing gathering pipe technique, segmentation prepackage can be implemented gathering pipe is not set.
In order to achieve the above object, the technical scheme that the present invention takes is:
Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage, comprises the following steps:
1), hull is carried out plural segmentation, each body section has two spoil hoppers, i.e. larboard spoil hopper and starboard spoil hopper, mud pipe in its segmentation carries out three-dimensional lofting and determines to make and installation dimension, during body section construction, its each step construction precision must meet " CSQS ";
2) manufactured size, according to three-dimensional lofting determined, unwrapping wire platform carries out unwrapping wire to mud pipe blank, determines processing line and the detection line of mud pipe blank; According to the processing line on fixed mud pipe blank, fine limit work is carried out to larboard spoil hopper connection pipe 2, spoil hopper connection four-way 3, starboard spoil hopper connection pipe 5, larboard spoil hopper induction pipe 1, spoil hopper suction house steward 4, starboard spoil hopper induction pipe 6 are carried out to prtreatment and reserve 2mm stock left for machining;
3), according to the installation dimension that three-dimensional lofting is determined, a set of installation moulding bed 7 is made in workshop, the mud pipe processed is pre-installed on installation moulding bed 7, determine larboard spoil hopper induction pipe 1 again, spoil hopper aspirates house steward 4, the finish size of starboard spoil hopper induction pipe 6 carries out fine limit work, complete moulding bed prepackage;
4), with full standing posture laser measuring apparatus, the mud pipe that moulding bed is pre-installed is measured, the take off data of record and hulls joints; Use full standing posture laser measuring apparatus again, the body section completed is measured, check and whether coincide with mud pipe point of connection take off data; Then larboard spoil hopper induction pipe 1 is connected four-way 3 by larboard spoil hopper connection pipe 2, spoil hopper to be connected with spoil hopper suction house steward 4, starboard spoil hopper induction pipe 6 connects four-way 3 by starboard spoil hopper connection pipe 5, spoil hopper and is connected with spoil hopper suction house steward 4; With full standing posture laser measuring apparatus, whether the mouth that closes up of the adjacent body section be pre-installed two carries out measurement checking measurements data and coincide, and then closes up.
The present invention has following beneficial effect compared with the prior art:
1, present invention achieves super large caliber bimetal casting mud pipe and do not establish gathering pipe technological requirement in segmentation prepackage.
2, all working of its mud pipe of the present invention processing all carries out in workshop, thus reduces labour intensity, improves processing and setting accuracy.
3, present invention reduces the in-site installation cycle of mud pipe, improve installation effectiveness.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention body section constructional drawing.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is workshop mud pipe assembling and installs moulding bed figure, and wherein, Fig. 3-1 is the longitudinal section across station line mud pipe, and Fig. 3-2 is the sectional elevations across station line mud pipe, and Fig. 3-3 is across the birds-eye view of station line mud pipe.
Fig. 4 is body section mud pipe prepackage figure.
Detailed description of the invention
Below in conjunction with actual accompanying drawing, the invention will be further described.
This 11000m
3dredger is provided with 20 spoil hoppers, a mud tube passage in hull structure, and in mud tube passage, arrange the spoil hopper suction piping of a set of super large caliber bimetal casting mud pipe composition.According to shipbuilding technology requirement, hull structure has divided 10 body sections on spoil hopper position, each body section applies mechanically by two spoil hoppers, one section of mud tube passage and the spoil hopper suction tube group that six roots of sensation super large caliber bimetal casting mud pipe forms, and mud pipe quantity in spoil hopper suction tube group on each body section and specification are identical, as shown in Figure 1.
After body section has been constructed, need to pre-install, see Fig. 2 the mud pipe in each body section.Due to super large caliber bimetal casting mud pipe, when segmentation is pre-installed, cannot gathering pipe be set.And its mud pipe carries out the quality of pre-packing quality in segmentation, will directly have influence on the quality of closing up quality between body section.Therefore need to control each construction stage in ship building process, its key point how to control the machining accuracy of super large caliber bimetal casting mud pipe and the setting accuracy of segmentation prepackage.
Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage, comprises the following steps:
1), with reference to Fig. 1, hull is carried out 20 segmentations, each body section has two spoil hoppers, i.e. larboard spoil hopper and starboard spoil hopper, mud pipe in its segmentation carries out three-dimensional lofting and determines to make and installation dimension, during body section construction, its each step construction precision must meet " CSQS ";
2) manufactured size, according to three-dimensional lofting determined, unwrapping wire platform carries out unwrapping wire to mud pipe blank, determines processing line and the detection line of mud pipe blank; According to the processing line on fixed mud pipe blank, fine limit work is carried out to larboard spoil hopper connection pipe 2, spoil hopper connection four-way 3, starboard spoil hopper connection pipe 5, larboard spoil hopper induction pipe 1, spoil hopper suction house steward 4, starboard spoil hopper induction pipe 6 are carried out to prtreatment and reserve 2mm stock left for machining;
3), with reference to Fig. 3, according to the installation dimension that three-dimensional lofting is determined, a set of installation moulding bed 7 is made in workshop, the actual size of L1, L2, H1, H2, M1, M2, S in survey map, and mark's mark is carried out in bolt hole position when pre-assembled, use during so that flag-on-convenience vessel to be installed, carry out pre-assembled to each group mud pipe pipe fitting successively according to above requirement, the mud pipe processed is pre-installed on installation moulding bed 7, determine larboard spoil hopper induction pipe 1 again, spoil hopper aspirates house steward 4, the finish size of starboard spoil hopper induction pipe 6 carries out fine limit work, complete moulding bed prepackage;
4), with reference to Fig. 1, Fig. 2 and Fig. 4, with full standing posture laser measuring apparatus, the mud pipe that moulding bed is pre-installed is measured, the take off data of record and hulls joints; Use full standing posture laser measuring apparatus again, the body section completed is measured, check and whether coincide with mud pipe point of connection take off data; Then larboard spoil hopper induction pipe 1 is connected four-way 3 by larboard spoil hopper connection pipe 2, spoil hopper to be connected with spoil hopper suction house steward 4, starboard spoil hopper induction pipe 6 connects four-way 3 by starboard spoil hopper connection pipe 5, spoil hopper and is connected with spoil hopper suction house steward 4; With full standing posture laser measuring apparatus, whether the mouth that closes up of the adjacent body section be pre-installed two carries out measurement checking measurements data and coincide, and then closes up.
Claims (1)
1. a gathering pipe technique is not established in super large caliber bimetal casting mud pipe segmentation prepackage, it is characterized in that, comprises the following steps:
1), hull is carried out plural segmentation, each body section has two spoil hoppers, i.e. larboard spoil hopper and starboard spoil hopper, mud pipe in its segmentation carries out three-dimensional lofting and determines to make and installation dimension, during body section construction, its each step construction precision must meet " CSQS ";
2) manufactured size, according to three-dimensional lofting determined, unwrapping wire platform carries out unwrapping wire to mud pipe blank, determines processing line and the detection line of mud pipe blank; According to the processing line on fixed mud pipe blank, fine limit work is carried out to larboard spoil hopper connection pipe (2), spoil hopper connection four-way (3), starboard spoil hopper connection pipe (5), larboard spoil hopper induction pipe (1), spoil hopper suction house steward (4), starboard spoil hopper induction pipe (6) are carried out to prtreatment and reserve 2mm stock left for machining;
3), according to the installation dimension that three-dimensional lofting is determined, a set of installation moulding bed (7) is made in workshop, the mud pipe processed is pre-installed in installation moulding bed (7), determine larboard spoil hopper induction pipe (1) again, spoil hopper aspirates house steward (4), the finish size of starboard spoil hopper induction pipe (6) carries out fine limit work, complete moulding bed prepackage;
4), with full standing posture laser measuring apparatus, the mud pipe that moulding bed is pre-installed is measured, the take off data of record and hulls joints; Use full standing posture laser measuring apparatus again, the body section completed is measured, check and whether coincide with mud pipe point of connection take off data; Then larboard spoil hopper induction pipe (1) is connected four-way (3) be connected with spoil hopper suction house steward (4) by larboard spoil hopper connection pipe (2), spoil hopper, starboard spoil hopper induction pipe (6) is connected four-way (3) be connected with spoil hopper suction house steward (4) by starboard spoil hopper connection pipe (5), spoil hopper; With full standing posture laser measuring apparatus, whether the mouth that closes up of the adjacent body section be pre-installed two carries out measurement checking measurements data and coincide, and then closes up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588873.4A CN104044696B (en) | 2013-11-20 | 2013-11-20 | Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588873.4A CN104044696B (en) | 2013-11-20 | 2013-11-20 | Gathering pipe technique is not established in a kind of super large caliber bimetal casting mud pipe segmentation prepackage |
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| CN104044696A CN104044696A (en) | 2014-09-17 |
| CN104044696B true CN104044696B (en) | 2016-04-13 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114179994B (en) * | 2021-11-08 | 2023-12-26 | 上海江南长兴造船有限责任公司 | Ship building piping installation accuracy control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103251A (en) * | 1985-04-23 | 1986-10-29 | 日本钢管株式会社 | The lifting appliance of drag arm of drag suction type dredger |
| CN201597723U (en) * | 2010-01-21 | 2010-10-06 | 武昌船舶重工有限责任公司 | Combined suspension bracket of sectional pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60146785A (en) * | 1984-01-09 | 1985-08-02 | Mitsui Eng & Shipbuild Co Ltd | Construction of ship |
| JP3125405B2 (en) * | 1992-01-10 | 2001-01-15 | 石川島播磨重工業株式会社 | Outfitting method for ships |
| KR101284854B1 (en) * | 2011-04-22 | 2013-07-09 | 삼성중공업 주식회사 | Hull block structure and the assembly method |
-
2013
- 2013-11-20 CN CN201310588873.4A patent/CN104044696B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103251A (en) * | 1985-04-23 | 1986-10-29 | 日本钢管株式会社 | The lifting appliance of drag arm of drag suction type dredger |
| CN201597723U (en) * | 2010-01-21 | 2010-10-06 | 武昌船舶重工有限责任公司 | Combined suspension bracket of sectional pipe |
Non-Patent Citations (3)
| Title |
|---|
| CATIA软件在大型耙吸式挖泥船船体结构设计中应用;伍蓉晖;《CNKI的中国优秀硕士学位论文全文数据库 工程科技II辑》;20111215(第S2期);C036-52 * |
| 精益造船在挖泥船建造中的应用与实践研究;沈立刚;《CNKI的中国优秀硕士学位论文全文数据库 工程科技II辑》;20111215(第S1期);C036-115 * |
| 绿色造船在13500m_3挖泥船上的应用;陈德林；等.;《广东造船》;20070930(第3期);第25-29页 * |
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Effective date of registration: 20210517 Address after: 226100 room 2, No.1, Xin'anjiang Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province Patentee after: China Merchants Bureau Cruise Manufacturing Co.,Ltd. Patentee after: CHINA MERCHANTS HEAVY INDUSTRY (JIANGSU) Co.,Ltd. Address before: 226116 No.1, Xin'anjiang Road, Binjiang street, Haimen City, Nantong City, Jiangsu Province Patentee before: CHINA MERCHANTS HEAVY INDUSTRY (JIANGSU) Co.,Ltd. |
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