CN104590521A - Installation process for fairing of bulk cargo ship - Google Patents
Installation process for fairing of bulk cargo ship Download PDFInfo
- Publication number
- CN104590521A CN104590521A CN201510004133.0A CN201510004133A CN104590521A CN 104590521 A CN104590521 A CN 104590521A CN 201510004133 A CN201510004133 A CN 201510004133A CN 104590521 A CN104590521 A CN 104590521A
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- mozzle
- welding
- line
- stern
- honeycomb duct
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Abstract
The invention discloses an installation process for a fairing of a bulk cargo ship. The installation process comprises the following steps of firstly drawing a round installation reference line of the tail end of a honeycomb duct by precision control personnel according to a honeycomb duct fabrication drawing and drawing ut an upper central line, a lower central line, a left central line and a right central line; then, splicing according to the reference line, and controlling offset of the upper central line and the offset of the central reference line of a planking of the honeycomb duct to be not greater than 2mm, the offset of the round radius of a fore and aft end to be not greater than 5mm, and the offset of the flatness of the fore and aft end to be not greater than 5mm; respectively installing an upper knee plate part and a lower knee plate part in sequence in a tack welding manner, and welding after measurement is free of errors; respectively sealing the installation process opening of the upper knee plate part and the installation process opening of the lower knee plate part; welding and polishing welding lines; supporting and strengthening a rear end face so as to keep the rigidity of the honeycomb duct, and drawing the merged central lines of the rear end face of the honeycomb duct, and marking correspondingly; respectively marking the axis and the central lines of the honeycomb duct at the front side and the rear side of the planking of the honeycomb duct by a punch.
Description
Technical field
The present invention relates to bulge carrier streamlined reefer housing mounting process, belong to shipbuilding technical field.
Background technology
Along with the development of modern science and technology, and the shortage of land resources, the step of ocean exploitation is more and more faster, and therefore the manufacture of large ship gets more and more, and especially bulge carrier assume responsibility for the transport of popular goods, demand is large, generally all streamlined reefer housing is installed for improving propulsion coefficient bulge carrier, but current streamlined reefer housing being installed very random, therefore often installing and producing deviation, thrust is caused 100% forward, to be not a urgent problem.
Summary of the invention
The object of this invention is to provide bulge carrier streamlined reefer housing mounting process.
The problem to be solved in the present invention is that existing streamlined reefer housing installs very random deficiency.
For realizing object of the present invention, the technical solution used in the present invention is:
Bulge carrier streamlined reefer housing mounting process, comprises the following steps:
A first mark mozzle tail end circular mounting datum line by essence control person according to mozzle construction drawing and mark up and down, left and right line of centers, splice according to datum line again, controlling line of centers and central datum line deviation on mozzle outside plate should control at≤2mm, bow stern end radius of circle deviation should control at≤5mm, and bow stern end flatness deviation should control at≤5mm;
B sequence of erection distinguishes bracket part and lower bracket part on false welding as follows, measures errorless rear welding;
C closes the mounting process perforate of upper bracket and lower bracket attachment respectively, welding also butt welded seam is polished, aft end face is supported and strengthens, to keep the rigidity of mozzle, and draw the line of centers of the mozzle aft end face after merging, carry out corresponding mark, axis and mozzle line of centers will respectively with the front and back both sides of foreign punch mark at mozzle outside plate;
D just locates the mozzle after merging, can according to the measured data of segmentation stern tube shaft steel casting line of centers and baseline, carry out Primary Location mozzle, according to producer's data, mozzle center m is 500mm directly over stern tube shaft line n, notices that the ocean on mozzle outside plate rushes level and the coplanar degree of point and stern tube shaft line during location; When mozzle tentatively installs location, mozzle line of centers and stern misalignment of axe should control at≤3mm, and streamlined reefer housing tail end and stern pipe stern end face length dimension deviation should control≤5mm, streamlined reefer housing stern end face levelness deviation should≤8mm; Mozzle must carry out once complete accuracy checking after having good positioning, according to the measured data of internal field or building berth to reach and adjustment mozzle, simultaneously adjustment inner side nonretractable fins, until mozzle is mounted to correct position;
After e checks that on mozzle, shaft centre line aligns with hull shaft centre line, inner side nonretractable fins and stern hull joint answer attentional manipulation gap to be not more than 5mm, after first will measuring setting-out, finally carry out mowing again to the surplus of inner side nonretractable fins by precision personnel; The fillet weld back side of inner side nonretractable fins and stern hull should first be examined after requirements install billet by producer and moving back, then lifts the laggard row that puts in place and weld;
The bulk parts that behind f mozzle location, welding is all, the seam of welding mozzle and hull stern; After fin welding terminates, the cover plate in bulk of erecting and welding fin;
After g has welded, air charging test is carried out in reply mozzle inside, and test pressure is 0.2bar, and after inflation, butt welded seam is polished and repairs damaged coating;
The all interim reinforcement that h removes mozzle on building berth supports, and polishes to breakage and paint, and this completes whole streamlined reefer housing and installs.
Described structure and steel casting welding requirements: necessary preheating before welding, preheating temperature 120 DEG C ~ 150 DEG C, require that preheating temperature evenly forbids the too high generation of surface temperature to be oxidized or burn-off phenomenon, force assemblage should be avoided in fitting process, when being mounted with, tack welding quality should be identical with the weldquality of welding, and defective tack welding (comprise and sting meat/pore/slag inclusion/crackle/arc crater etc.) should be removed totally before welding; Postweld treatment: after steel casting has welded, answers butt welded seam to take Insulation, makes its Slow cooling and carries out postwelding temper; Postwelding tempering method for treating: be heated to 550 DEG C by within the scope of weld seam and each 100mm in both sides, keep this temperature after 30 minutes (particular case is depending on thickness of slab and qualification of welding procedure), encase with warm material, make it slowly cool to room temperature, when heat treatment must not rain or other fluid drips fall heating zone and near.
Described lower bracket part triangular structure.
Advantage of the present invention: the streamlined reefer housing of this process Installation, direction is consistent with propulsion of ship direction height, effectively prevent thrust skew course, should have market outlook widely.
Accompanying drawing explanation
Fig. 1 is the block diagram of bulge carrier streamlined reefer housing mounting process of the present invention;
Fig. 2 is bulge carrier streamlined reefer housing mounting process dismounting figure of the present invention;
In figure: 1, upper bracket part 2, lower bracket part 3, mozzle.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Bulge carrier streamlined reefer housing mounting process, comprises the following steps:
A first mark mozzle tail end circular mounting datum line by essence control person according to mozzle construction drawing and mark up and down, left and right line of centers, splice according to datum line again, controlling line of centers and central datum line deviation on mozzle outside plate should control at≤2mm, bow stern end radius of circle deviation should control at≤5mm, and bow stern end flatness deviation should control at≤5mm;
B sequence of erection distinguishes bracket part 1 and lower bracket part 2 on false welding as follows, measures errorless rear welding;
C closes the mounting process perforate of upper bracket and lower bracket attachment respectively, welding also butt welded seam is polished, aft end face is supported and strengthens, to keep the rigidity of mozzle 3, and draw the line of centers of the mozzle aft end face after merging, carry out corresponding mark, axis and mozzle line of centers will respectively with the front and back both sides of foreign punch mark at mozzle outside plate;
D just locates the mozzle 3 after merging, can according to the measured data of segmentation stern tube shaft steel casting line of centers and baseline, carry out Primary Location mozzle 3, according to producer's data, mozzle 3 center m is 500mm directly over stern tube shaft line n, notices that the ocean on mozzle 3 outside plate rushes level and the coplanar degree of point and stern tube shaft line during location; When mozzle 3 tentatively installs location, mozzle 3 line of centers and stern misalignment of axe should control at≤3mm, streamlined reefer housing tail end and stern pipe stern end face length dimension deviation should control≤5mm, streamlined reefer housing stern end face levelness deviation answers≤8mm, mozzle 3 must carry out once complete accuracy checking after having good positioning, according to the measured data of internal field or building berth to reach and adjustment mozzle 3, adjustment inner side nonretractable fins simultaneously, until mozzle 3 is mounted to correct position;
After e checks that on mozzle 3, shaft centre line aligns with hull shaft centre line, inner side nonretractable fins and stern hull joint answer attentional manipulation gap to be not more than 5mm, after first will measuring setting-out by precision personnel to the surplus of inner side nonretractable fins, finally carry out mowing again, the fillet weld back side of inner side nonretractable fins and stern hull should first be examined after requirements install billet by producer and moving back, then lifts the laggard row that puts in place and weld;
F mozzle 3 locates all bulk parts of rear welding, the seam of welding mozzle 3 and hull stern, after fin welding terminates, and the cover plate in bulk of erecting and welding fin;
After g has welded, air charging test is carried out in reply mozzle 3 inside, and test pressure is 0.2bar, and after inflation, butt welded seam is polished and repairs damaged coating;
All interim reinforcements that h removes mozzle 3 on building berth support, and polish to breakage and paint, and this completes whole streamlined reefer housing and install.
Described structure and steel casting welding requirements: necessary preheating before welding, preheating temperature 120 DEG C ~ 150 DEG C, require that preheating temperature evenly forbids the too high generation of surface temperature to be oxidized or burn-off phenomenon, force assemblage should be avoided in fitting process, when being mounted with, tack welding quality should be identical with the weldquality of welding, and defective tack welding (comprise and sting meat/pore/slag inclusion/crackle/arc crater etc.) should be removed totally before welding; Postweld treatment: after steel casting has welded, answers butt welded seam to take Insulation, makes its Slow cooling and carries out postwelding temper; Postwelding tempering method for treating: be heated to 550 DEG C by within the scope of weld seam and each 100mm in both sides, keep this temperature after 30 minutes (particular case is depending on thickness of slab and qualification of welding procedure), encase with warm material, make it slowly cool to room temperature, when heat treatment must not rain or other fluid drips fall heating zone and near.
Described lower bracket part 2 triangular structure.
Using method of the present invention: after this streamlined reefer housing installs, the propulsive force of screw propeller can not be dispersed, have and good gather effect, direction of propulsion is good, straightness accuracy is good, by contrasting Andrew A bulge carrier of common installation and Andrew B bulge carrier after improving, detecting through reality under Same Efficieney and improving the speed of a ship or plane about 1%.
Claims (3)
1. bulge carrier streamlined reefer housing mounting process, is characterized in that comprising the following steps:
A first mark mozzle tail end circular mounting datum line by essence control person according to mozzle construction drawing and mark up and down, left and right line of centers, splice according to datum line again, controlling line of centers and central datum line deviation on mozzle outside plate should control at≤2mm, bow stern end radius of circle deviation should control at≤5mm, and bow stern end flatness deviation should control at≤5mm;
B sequence of erection distinguishes bracket part (1) and lower bracket part (2) on false welding as follows, measures errorless rear welding;
C closes the mounting process perforate of upper bracket and lower bracket attachment respectively, welding also butt welded seam is polished, aft end face is supported and strengthens, to keep the rigidity of mozzle (3), and draw the line of centers of the mozzle after merging (3) aft end face, carry out corresponding mark, axis and mozzle (3) line of centers will respectively with the front and back both sides of foreign punch mark at mozzle (3) outside plate;
D just locates the mozzle (3) after merging, can according to the measured data of segmentation stern tube shaft steel casting line of centers and baseline, carry out Primary Location mozzle (3), according to producer's data, mozzle (3) center m is 500mm directly over stern tube shaft line n, notices that the ocean on mozzle (3) outside plate rushes level and the coplanar degree of point and stern tube shaft line during location; When mozzle (3) tentatively installs location, mozzle (3) line of centers and stern misalignment of axe should control at≤3mm, streamlined reefer housing tail end and stern pipe stern end face length dimension deviation should control≤5mm, streamlined reefer housing stern end face levelness deviation answers≤8mm, mozzle (3) must carry out once complete accuracy checking after having good positioning, according to the measured data of internal field or building berth to reach and adjustment mozzle (3), adjustment inner side nonretractable fins simultaneously, until mozzle (3) is mounted to correct position;
After e checks that the upper shaft centre line of mozzle (3) aligns with hull shaft centre line, inner side nonretractable fins and stern hull joint answer attentional manipulation gap to be not more than 5mm, after first will measuring setting-out by precision personnel to the surplus of inner side nonretractable fins, finally carry out mowing again, the fillet weld back side of inner side nonretractable fins and stern hull should first be examined after requirements install billet by producer and moving back, then lifts the laggard row that puts in place and weld;
The bulk parts that behind f mozzle (3) location, welding is all, the seam of welding mozzle (3) and hull stern, after fin welding terminates, the cover plate in bulk of erecting and welding fin;
After g has welded, air charging test is carried out in reply mozzle (3) inside, and test pressure is 0.2bar, and after inflation, butt welded seam is polished and repairs damaged coating;
All interim reinforcements that h removes mozzle (3) on building berth support, and polish to breakage and paint, and this completes whole streamlined reefer housing and install.
2. bulge carrier streamlined reefer housing mounting process according to claim 1, it is characterized in that: described structure and steel casting welding requirements: necessary preheating before welding, preheating temperature 120 DEG C ~ 150 DEG C, require that preheating temperature evenly forbids the too high generation of surface temperature to be oxidized or burn-off phenomenon, force assemblage should be avoided in fitting process, when being mounted with, tack welding quality should be identical with the weldquality of welding, and defective tack welding (comprise and sting meat/pore/slag inclusion/crackle/arc crater etc.) should be removed totally before welding; Postweld treatment: after steel casting has welded, answers butt welded seam to take Insulation, makes its Slow cooling and carries out postwelding temper; Postwelding tempering method for treating: be heated to 550 DEG C by within the scope of weld seam and each 100mm in both sides, keep this temperature after 30 minutes (particular case is depending on thickness of slab and qualification of welding procedure), encase with warm material, make it slowly cool to room temperature, when heat treatment must not rain or other fluid drips fall heating zone and near.
3. bulge carrier streamlined reefer housing mounting process according to claim 1, is characterized in that: described lower bracket part (2) triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004133.0A CN104590521B (en) | 2015-01-06 | 2015-01-06 | Installation process for fairing of bulk cargo ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004133.0A CN104590521B (en) | 2015-01-06 | 2015-01-06 | Installation process for fairing of bulk cargo ship |
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| Publication Number | Publication Date |
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| CN104590521A true CN104590521A (en) | 2015-05-06 |
| CN104590521B CN104590521B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510004133.0A Expired - Fee Related CN104590521B (en) | 2015-01-06 | 2015-01-06 | Installation process for fairing of bulk cargo ship |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189960A (en) * | 2017-12-20 | 2018-06-22 | 沪东中华造船(集团)有限公司 | A kind of base of steering gear installation method |
| CN108945377A (en) * | 2018-07-27 | 2018-12-07 | 广船国际有限公司 | A kind of pod and stern pipe installation method |
| CN111498049A (en) * | 2020-04-10 | 2020-08-07 | 中船澄西扬州船舶有限公司 | Mounting method of energy-saving stator |
| CN111703555A (en) * | 2020-06-05 | 2020-09-25 | 友联船厂（蛇口）有限公司 | Method for building ship tail guide pipe and installing ship tail guide pipe in dock |
| CN112319727A (en) * | 2020-11-12 | 2021-02-05 | 江苏新时代造船有限公司 | Positioning method of energy-saving flow guide device for ship |
| CN115158618A (en) * | 2022-06-06 | 2022-10-11 | 合肥倍豪海洋装备技术有限公司 | Lower shell for marine full-rotation propelling device |
Citations (6)
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|---|---|---|---|---|
| JPH09175488A (en) * | 1995-12-22 | 1997-07-08 | Sumitomo Heavy Ind Ltd | Ship with stern duct |
| US5928042A (en) * | 1998-03-26 | 1999-07-27 | Glenn F. Mattina | Propeller guard |
| CN101214848A (en) * | 2007-12-27 | 2008-07-09 | 广州文冲船厂有限责任公司 | Method for mounting air guide sleeve |
| KR20120097939A (en) * | 2011-02-28 | 2012-09-05 | 현대삼호중공업 주식회사 | Nozzle establishment method in the ship |
| CN202879779U (en) * | 2012-10-11 | 2013-04-17 | 江苏韩通船舶重工有限公司 | Flow guide sleeve of 57000-ton bulk freighter |
| CN103129701A (en) * | 2011-11-22 | 2013-06-05 | 上海船厂船舶有限公司 | Positioning method of stream guidance cover on segmentation |
-
2015
- 2015-01-06 CN CN201510004133.0A patent/CN104590521B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09175488A (en) * | 1995-12-22 | 1997-07-08 | Sumitomo Heavy Ind Ltd | Ship with stern duct |
| US5928042A (en) * | 1998-03-26 | 1999-07-27 | Glenn F. Mattina | Propeller guard |
| CN101214848A (en) * | 2007-12-27 | 2008-07-09 | 广州文冲船厂有限责任公司 | Method for mounting air guide sleeve |
| KR20120097939A (en) * | 2011-02-28 | 2012-09-05 | 현대삼호중공업 주식회사 | Nozzle establishment method in the ship |
| CN103129701A (en) * | 2011-11-22 | 2013-06-05 | 上海船厂船舶有限公司 | Positioning method of stream guidance cover on segmentation |
| CN202879779U (en) * | 2012-10-11 | 2013-04-17 | 江苏韩通船舶重工有限公司 | Flow guide sleeve of 57000-ton bulk freighter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189960A (en) * | 2017-12-20 | 2018-06-22 | 沪东中华造船(集团)有限公司 | A kind of base of steering gear installation method |
| CN108945377A (en) * | 2018-07-27 | 2018-12-07 | 广船国际有限公司 | A kind of pod and stern pipe installation method |
| CN111498049A (en) * | 2020-04-10 | 2020-08-07 | 中船澄西扬州船舶有限公司 | Mounting method of energy-saving stator |
| CN111498049B (en) * | 2020-04-10 | 2021-12-21 | 中船澄西扬州船舶有限公司 | Mounting method of energy-saving stator |
| CN111703555A (en) * | 2020-06-05 | 2020-09-25 | 友联船厂（蛇口）有限公司 | Method for building ship tail guide pipe and installing ship tail guide pipe in dock |
| CN112319727A (en) * | 2020-11-12 | 2021-02-05 | 江苏新时代造船有限公司 | Positioning method of energy-saving flow guide device for ship |
| CN112319727B (en) * | 2020-11-12 | 2021-12-14 | 江苏新时代造船有限公司 | Positioning method of energy-saving flow guide device for ship |
| CN115158618A (en) * | 2022-06-06 | 2022-10-11 | 合肥倍豪海洋装备技术有限公司 | Lower shell for marine full-rotation propelling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104590521B (en) | 2017-02-22 |
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Effective date of registration: 20191210 Address after: 314000 Tonghui geological and Mining Machinery Co., Ltd., Haiyan County, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG TONGHUI MINE MACHINERY CO.,LTD. Address before: 316000 Zhejiang Zhoushan Zhoushan comprehensive free trade zone enterprise service center room 301-397 Patentee before: ZHOUSHAN XINZHEN SHIP DESIGN Co.,Ltd. |
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Granted publication date: 20170222 Termination date: 20220106 |