CN104590521B - Installation process for fairing of bulk cargo ship - Google Patents
Installation process for fairing of bulk cargo ship Download PDFInfo
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- CN104590521B CN104590521B CN201510004133.0A CN201510004133A CN104590521B CN 104590521 B CN104590521 B CN 104590521B CN 201510004133 A CN201510004133 A CN 201510004133A CN 104590521 B CN104590521 B CN 104590521B
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- Prior art keywords
- mozzle
- welding
- stern
- line
- 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 bulk freighter kuppe mounting process, belong to shipbuilding technical field.
Background technology
With the development of modern science and technology, and the shortage of land resources, the step of ocean development is more and more faster, therefore argosy
The manufacture of oceangoing ship gets more and more, and especially bulk freighter assume responsibility for the transport of popular goods, and demand is big, for improving propulsive efficiency bulk goods
Ship is typically fitted with kuppe, but very random, therefore frequent installation generation deviation installed by current kuppe, causes thrust not
Energy 100% forward, is a urgent problem.
Content of the invention
It is an object of the invention to provide bulk freighter kuppe mounting process.
The problem to be solved in the present invention is that very random deficiency installed by existing kuppe.
For realizing the purpose of the present invention, the technical solution used in the present invention is：
Bulk freighter kuppe mounting process, comprises the following steps：
A first marks mozzle tail end circular mounting datum line by smart control person according to mozzle making figure and marks upper and lower, left
Right center line, is spliced further according to datum line, controls center line and central datum line deviation on mozzle outside plate should control
≤ 2mm, bow stern end radius of circle deviation should control in≤5mm, and bow stern end flatness deviation should control in≤5mm；
B erection sequence distinguishes bracket part and lower bracket part on tack-weld as follows, welds after measurement is errorless；
C closes off bracket and the mounting process perforate of lower bracket attachment, and welding is simultaneously polished to weld seam, to rear end
Face is supported and strengthens, and to keep the rigidity of mozzle, and draws the center line of the mozzle rear end face after merging, carries out phase
The mark answered, axis and mozzle center line will use foreign punch mark both sides before and after mozzle outside plate respectively；
Mozzle after positioning merges at the beginning of d, according to the measured data of segmentation stern tube shaft steel-casting center line and baseline, comes preliminary
Positioning mozzle, according to producer's data, mozzle center line m 500mm directly over stern tube shaft line n, notes outside mozzle during positioning
The level of the ocean punching point on plate and stern tube shaft line and coplanar degree；When mozzle tentatively installs positioning, mozzle center line is inclined with stern tube shaft line
Difference should control in≤3mm, and kuppe tail end and stern pipe stern end face length dimension deviation should control≤5mm, kuppe stern end face water
Pingdu deviation answers≤8mm；Mozzle must carry out once complete accuracy checking, according to the actual measurement in internal field or building berth after having good positioning
To reach and adjustment mozzle, adjustment inner side nonretractable fins simultaneously, until mozzle is attached to correct position to data；
After e checks that on mozzle shaft centre line aligns with hull shaft centre line, inner side nonretractable fins and stern hull joint
It should be noted that controlling gap to be not more than 5mm, the surplus of inner side nonretractable fins to first be measured after setting-out by precision personnel, finally enter again
Row mowing；The angle welding back side of inner side nonretractable fins and stern hull should first be examined after requirement installation billet by producer and moving back, then hangs
Welded after being attached to position；
All of bulk parts, the seam of welding mozzle and hull stern is welded after f mozzle positioning；Terminate in fin welding
Afterwards, the cover plate in bulk of erecting and welding fin；
After the completion of g welding, it is inflated testing inside reply mozzle, test pressure is 0.2bar, to weld seam after inflation
Polish and repair damaged coating；
The all interim reinforcement that h removes mozzle on building berth supports, and breakage is polished and paints, thus
Complete whole kuppe to install.
Described hull stern structure and steel-casting welding requirements：Must preheat before weldering, 120 DEG C～150 DEG C of preheating temperature,
Ask preheating temperature uniformly to forbid too high generation of surface temperature to aoxidize or burn-off phenomenon, force assemblage should be avoided in assembling process, dress
When joining fixing, tack welding quality should be identical with the weldquality of welding, defective sting meat, pore, slag inclusion, crackle, arc crater positioning
Weldering should be removed totally before welding；After welding treatment：After the completion of steel-casting welding, reply weld seam takes Insulation so as to slow
Cool down and carry out postwelding temper；Postwelding tempering method for treating：It is heated to 550 DEG C by the range of weld seam and each 100mm in both sides,
Keep this temperature after 30 minutes, encased with insulation material so as to be slowly cooled to room temperature, heat treatment when must not rain or its
Its liquid drop onto the thermal treatment zone and its near.
Described lower bracket part is triangular structure.
Advantages of the present invention：The kuppe of this process Installation, direction is highly consistent with Ship Propeling direction, effectively prevent
Thrust offsets course, should have extensive market prospects.
Brief description
Fig. 1 is the stereogram of bulk freighter kuppe mounting process of the present invention；
Fig. 2 is bulk freighter kuppe mounting process dismounting figure of the present invention；
In figure：1st, upper bracket part 2, lower bracket part 3, mozzle.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
Bulk freighter kuppe mounting process, comprises the following steps：
A first marks mozzle tail end circular mounting datum line by smart control person according to mozzle making figure and marks upper and lower, left
Right center line, is spliced further according to datum line, controls center line and central datum line deviation on mozzle outside plate should control
≤ 2mm, bow stern end radius of circle deviation should control in≤5mm, and bow stern end flatness deviation should control in≤5mm；
B erection sequence distinguishes bracket part 1 and lower bracket part 2 on tack-weld as follows, welds after measurement is errorless；
C closes off bracket and the mounting process perforate of lower bracket attachment, and welding is simultaneously polished to weld seam, to rear end
Face is supported and strengthens, and to keep the rigidity of mozzle 3, and draws the center line of the mozzle rear end face after merging, carries out
Corresponding mark, axis and mozzle center line will use foreign punch mark both sides before and after mozzle outside plate respectively；
Mozzle 3 after positioning merges at the beginning of d, can come according to the measured data of segmentation stern tube shaft steel-casting center line and baseline
Primary Location mozzle 3, according to producer's data, mozzle 3 center line m 500mm directly over stern tube shaft line n, notes during positioning leading
The level of the ocean punching point on flow tube 3 outside plate and stern tube shaft line and coplanar degree；Mozzle 3 center line when mozzle 3 tentatively installs positioning
Should control in≤3mm with stern misalignment of axe, kuppe tail end and stern pipe stern end face length dimension deviation should control≤5mm, water conservancy diversion
Cover stern end face levelness deviation answers≤8mm, and mozzle 3 must carry out once complete accuracy checking, according to internal field after having good positioning
Or the measured data of building berth is to reach and adjustment mozzle 3, adjustment inner side nonretractable fins simultaneously, until mozzle 3 is attached to correctly
Position；
After e checks that on mozzle 3, shaft centre line is alignd with hull shaft centre line, inner side nonretractable fins are docked with stern hull
Place, it should be noted that controlling gap to be not more than 5mm, first will be measured after setting-out by precision personnel to the surplus of inner side nonretractable fins, more finally
Carry out mowing, the angle welding back side of inner side nonretractable fins and stern hull should first be examined after requirement installation billet by producer and moving back, then
Lifting is welded after putting in place；
Weld all of bulk parts, welding mozzle 3 and the seam of hull stern after f mozzle 3 positioning, weld knot in fin
Shu Hou, the cover plate in bulk of erecting and welding fin；
After the completion of g welding, it is inflated testing inside reply mozzle 3, test pressure is 0.2bar, to weld seam after inflation
Polish and repair damaged coating；
The all of interim reinforcement that h removes mozzle 3 on building berth supports, and breakage is polished and paints, this
Sample just completes whole kuppe and installs.
Described structure and steel-casting welding requirements：Must preheat before weldering, 120 DEG C～150 DEG C of preheating temperature is it is desirable to preheating is warm
Degree uniformly forbids too high generation of surface temperature to aoxidize or burn-off phenomenon, should avoid force assemblage, when assembling is fixing in assembling process
Tack welding quality should be identical with the weldquality of welding, and (meat/pore/slag inclusion/crackle/arc crater is stung in inclusion to defective tack welding
Deng) should remove before welding totally；After welding treatment：After the completion of steel-casting welding, reply weld seam takes Insulation so as to slow
Cool down and carry out postwelding temper；Postwelding tempering method for treating：It is heated to 550 DEG C by the range of weld seam and each 100mm in both sides,
Keep this temperature after 30 minutes (concrete condition is depending on thickness of slab and qualification of welding procedure), encased with insulation material so as to slow
Be cooled to room temperature, in heat treatment must not rain or other liquid drop onto the thermal treatment zone and its near.
Described lower bracket part 2 is triangular structure.
The using method of the present invention：This kuppe installs afterwards so that the propulsive force of screw will not dissipate, and has good
Gather effect, direction of propulsion is good, and linearity is good, by the common Andrew's A bulk freighter installed of contrast with after improving
Andrew's B bulk freighter, through the actually detected raising speed of a ship or plane about 1% under Same Efficieney.
Claims (3)
1. bulk freighter kuppe mounting process is it is characterised in that comprise the following steps：
A first by smart control person according to mozzle making figure mark mozzle tail end circular mounting datum line and mark up and down, in left and right
Heart line, is spliced further according to datum line, control center line and central datum line deviation on mozzle outside plate should control≤
2mm, bow stern end radius of circle deviation should control in≤5mm, and bow stern end flatness deviation should control in≤5mm；
B erection sequence distinguishes bracket part on tack-weld as follows（1）With lower bracket part（2）, weld after measurement is errorless；
C closes off bracket and the mounting process perforate of lower bracket attachment, and welding is simultaneously polished to weld seam, and rear end face is entered
Row supports and strengthens, to keep mozzle（3）Rigidity, and draw the mozzle after merging（3）The center line of rear end face, carries out
Corresponding mark, axis and mozzle（3）Center line will use foreign punch mark respectively in mozzle（3）Both sides before and after outside plate；
Mozzle after positioning merges at the beginning of d（3）, according to the measured data of segmentation stern tube shaft steel-casting center line and baseline, come preliminary
Positioning mozzle（3）, according to producer's data, mozzle（3）Center line m 500mm directly over stern tube shaft line n, notes during positioning leading
Flow tube（3）The level of the ocean punching point on outside plate and stern tube shaft line and coplanar degree；Mozzle（3）Mozzle during preliminary installation positioning（3）
Center line and stern misalignment of axe should control in≤3mm, and kuppe tail end and stern pipe stern end face length dimension deviation should control≤
5mm, kuppe stern end face levelness deviation answers≤8mm, mozzle（3）Complete precision inspection must be carried out once after having good positioning
Look into, the measured data according to internal field or building berth is to reach and adjustment mozzle（3）, adjustment inner side nonretractable fins simultaneously, until water conservancy diversion
Pipe（3）It is attached to correct position；
E checks mozzle（3）After upper shaft centre line is alignd with hull shaft centre line, inner side nonretractable fins and stern hull joint
It should be noted that controlling gap to be not more than 5mm, the surplus of inner side nonretractable fins to first be measured after setting-out by precision personnel, finally enter again
Row mowing, the angle welding back side of inner side nonretractable fins and stern hull should first be examined after requirement installation billet by producer and moving back, then hangs
Welded after being attached to position；
F mozzle（3）Weld all of bulk parts after positioning, weld mozzle（3）With the seam of hull stern, weld knot in fin
Shu Hou, the cover plate in bulk of erecting and welding fin；
After the completion of g welding, tackle mozzle（3）Inside is inflated testing, and test pressure is 0.2bar, after inflation, weld seam is beaten
Grind and repair damaged coating；
H removes mozzle on building berth（3）All of interim reinforcement support, and breakage is polished and is painted, so
Just complete whole kuppe to install.
2. bulk freighter kuppe mounting process according to claim 1, is characterized in that：Described hull stern structure and cast steel
Part welding requirements：Must preheat before weldering, 120 DEG C～150 DEG C of preheating temperature is it is desirable to preheating temperature uniformly forbids surface temperature too high
Produce oxidation or burn-off phenomenon, force assemblage should be avoided in assembling process, when assembling is fixing, tack welding quality should be with the weldering of welding
Seam is identical in quality, defective sting meat, pore, slag inclusion, crackle, arc crater tack welding should be removed totally before welding；After welding treatment：
After the completion of steel-casting welding, Insulation should be taken to weld seam so as to Slow cooling carry out postwelding temper；Postwelding is tempered
Processing method：It is heated to 550 DEG C by the range of weld seam and each 100mm in both sides, keep this temperature after 30 minutes, use insulation material bag
Live so as to be slowly cooled to room temperature, in heat treatment must not rain or other liquid drop onto the thermal treatment zone and its near.
3. bulk freighter kuppe mounting process according to claim 1, is characterized in that：Described lower bracket part（2）For three
Angular 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104590521A CN104590521A (en) | 2015-05-06 |
| CN104590521B true CN104590521B (en) | 2017-02-22 |
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ID=53116670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189960B (en) * | 2017-12-20 | 2019-10-11 | 沪东中华造船(集团)有限公司 | A kind of base of steering gear installation method |
| CN108945377B (en) * | 2018-07-27 | 2021-01-12 | 广船国际有限公司 | Air guide sleeve and stern tube mounting method |
| 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 |
| 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 |
| CN115158618B (en) * | 2022-06-06 | 2023-07-25 | 合肥倍豪海洋装备技术有限公司 | Lower shell for marine full-rotation propulsion device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3235772B2 (en) * | 1995-12-22 | 2001-12-04 | 住友重機械工業株式会社 | 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 |
| KR101279099B1 (en) * | 2011-02-28 | 2013-06-26 | 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 |
-
2015
- 2015-01-06 CN CN201510004133.0A patent/CN104590521B/en not_active Expired - Fee Related
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| CN104590521A (en) | 2015-05-06 |
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| TR01 | Transfer of patent right |
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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20220106 |