CN102815371B - Ship manufacturing method for pre-mounting steering engine base in segmentation step - Google Patents
Ship manufacturing method for pre-mounting steering engine base in segmentation step Download PDFInfo
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- CN102815371B CN102815371B CN201210311447.1A CN201210311447A CN102815371B CN 102815371 B CN102815371 B CN 102815371B CN 201210311447 A CN201210311447 A CN 201210311447A CN 102815371 B CN102815371 B CN 102815371B
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Abstract
The invention discloses a ship manufacturing method for pre-mounting a steering engine base in a segmentation step. The ship manufacturing method comprises the following steps of: carrying out segmentation on a deck of a steering engine room; drawing a gantry arrangement and reinforcement picture of an upper gantry of the deck of the steering engine room at a positive segmentation state; incorporating the gantry arrangement and reinforcement picture with a segmental fitting-out tray management list so as to ensure that the pre-mounting of the steering engine base is completed in a segmental manufacturing step, and the requirement on installation precision can be met; and conveying the deck of the steering engine room in a segmental manner to a next process in a positive state of the upper gantry. The steering engine base is welded before being coated in a segmental manner, so that the segmental fitting-out integrality can be improved. Therefore, the damage area of a coating layer of a ship stern ballast cabin is reduced, the risk of sand wash on the entire ship stern ballast cabin can be effectively reduced, a coating construction period is shortened, and a PSPC (Performance Standard for Protective Coatings) can be met.
Description
Technical field
The present invention relates to boat segmental construction applications, particularly relate to a kind of shipbuilding method that base of steering gear was pre-installed in the segmentation stage.
Background technology
The 76000t bulge carrier of current undertaking all will meet the requirement of coating protection standard (PSPC), and the base of steering gear in 76000t stern ballast tank region was all installed in building berth/dock stage in the past, this can cause the paint of reverse side ballast tank region, steering engine room deck larger area damaged, carry out painting the work capacity of repairing and not only increasing dock and repairing in building berth/dock stage, and affect painting effect, construction environment is also poor, in addition once ballast tank paints damaged area more than 2%, the sand washing of whole cabin and paint that cause stern ballast tank are repaired, this can bring serious impact to the production cycle of building berth/dock and laid down cost.The welding equipment in main equipment pedestal building berth/dock stage, to the destruction of coating, meets PSPC to coating for watercraft and requires it is all very disadvantageous.If the prepackage of relevant device pedestal on base of steering gear and steering engine room deck can be completed in the segmentation stage, just effectively can reduce the work capacity of stern ballast tank coating damage area and application repairing, improve the integraty of segmentation application, be conducive to the enforcement of application PSPC.Relatively large to the damage area of coating, patching coating work not only can affect the submission progress of cabin application, and also impact reaches the standard of application PSPC.
In order to reduce coating damage and patch work, make coating damage area reach the requirement of application PSPC standard, minimizing base of steering gear and steering engine room deck relevant device pedestal in the destruction of stern ballast tank coating, base of steering gear segmentation prepackage be an important process.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of shipbuilding method that base of steering gear was pre-installed in the segmentation stage, to improve the integraty of segmentation application, thus reduce the coating damage area of ship's space, shorten the coating decoration cycle, meet application PSPC standard.
In order to reach foregoing invention object, technical scheme of the present invention is as follows:
The shipbuilding method that base of steering gear was pre-installed in the segmentation stage, the method comprises the steps:
1. steering engine room deck is divided into multiple width type independent segmented, is called steering engine room deck panel;
2. the door frame drawing door frame in described steering engine room deck panel normal state is arranged and reinforcement figure;
3. base of steering gear is enrolled corresponding ssection fitting-out pallet control table;
4. the described structural completion of steering engine room deck panel, and submit end to;
5. to described steering engine room deck panel distortion correction by flame, require that base of steering gear installation region deck level degree is +/-3mm, limit is +/-5mm;
6. described steering engine room deck panel normal state placed, adjustment segment level degree, make deck level degree≤8mm, limit is≤12mm;
7. base of steering gear manufacturing sector is made into base of steering gear according to detail drawing and is included into corresponding ssection fitting-out pallet;
8. according to base of steering gear detail drawing, segmentation prepackage is carried out to described base of steering gear, after prepackage terminates, the precision of prepackage is tested, meet setting accuracy requirement, concrete location and installation requires: line of centers and segmentation centerline deviation are +/-2mm, limit +/-3mm, foundation level degree is installed as +/-3mm, and limit is +/-5mm;
8. according to base of steering gear detail drawing, segmentation prepackage is carried out to described base of steering gear, after prepackage terminates, the precision of prepackage is tested, meets setting accuracy requirement;
9., after base of steering gear prepackage terminates, in the overall normal state of described steering engine room deck panel, door frame enters sand washing, then paints.
Described tests to the precision of prepackage, and accuracy requirement is described base of steering gear line of centers and steering engine room deck panel segmentation centerline deviation is +/-2mm, and limit +/-3mm, base of steering gear levelness is installed as +/-3mm, and limit is +/-5mm.
Compared with prior art, beneficial effect of the present invention is as follows:
1) segmentation is coated with and takes on board after platform (dock), avoids base of steering gear and the relevant device pedestal double-edged paint in steering engine room deck caused that freezes and polishes and patch work, decrease the relevant working out of secondary application, improve construction environment; Also directly reduce expenditure of time and the coating consumption of unit area application, improve the efficiency of application, effectively shorten the painting cycle.
2) pre-installed by the base of steering gear segmentation stage, the paint decreasing stern ballast tank region is damaged, make stern ballast tank paint breakage to control more to be guaranteed within 2%, reduce the risk of the whole cabin sand washing of stern ballast tank and secondary application, make the enforcement of PSPC drop to minimum to the adverse effect that dock production cycle and laid down cost bring.
3) by the application of base of steering gear segmentation stage pre-packing technique, the practicable of super large, the three-dimensional large segmentation normal state transport of ultra-wide half is demonstrated, for follow-up normal state transport segmentation have accumulated technical experience.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described, but should not limit the scope of the invention with this.
For 76000t bulge carrier, we illustrate that the manufacture method that base of steering gear segmentation is pre-installed comprises the steps:
When 1. determining that segmentation divides, steering engine room deck panel is divided into width type independent segmented;
2., during Production design, the door frame drawing door frame in steering engine room deck panel (AG21 segmentation) normal state is arranged and strengthens figure drawing;
3. 11 pedestals such as steering wheel oil tank pedestal, rudder bearer drier oil station pedestal, 75KW mooring winch pumping plant pedestal, anchor winch 400L oil feeding reservoirs pedestal relevant device pedestal on base of steering gear and steering engine room deck are enrolled steering engine room deck panel (AG21 segmentation) outfitting BOM admin table;
4. AG21 segmental structure completion, and submit end to;
5. carry out distortion correction by flame to AG21 segmentation, guarantee that base of steering gear installation region deck level degree reaches +/-3mm, limit is the accuracy requirement of +/-5mm;
6. AG21 segmentation normal state placed, adjustment segment level degree, make rudder deck level degree≤8mm, the limit is≤12mm;
7. base of steering gear manufacturer is made into base of steering gear according to detail drawing and is included into corresponding ssection fitting-out pallet;
8. by base of steering gear detail drawing, segmentation prepackage is carried out to base of steering gear, after prepackage terminates, the precision of prepackage is tested, meet setting accuracy requirement, concrete location and installation requires: base of steering gear line of centers and AG21 segmentation centerline deviation are +/-2mm, limit +/-3mm, foundation level degree is installed as +/-3mm, and limit is +/-5mm;
9. according to AG21 ssection fitting-out pallet control table, steering wheel oil tank pedestal, rudder bearer drier oil station pedestal, 75KW mooring winch pumping plant pedestal, anchor winch 400L oil feeding reservoirs pedestal, removable upright post base be installed and block water band iron and various pipe holder;
10., after base of steering gear and relevant device pedestal segmentation prepackage terminate, in the overall normal state of AG21 segmentation, door frame enters sand washing, then paints.
The results showed, base of steering gear of the present invention avoids the patch work of steering engine room deck pros and cons weld seam in the shipbuilding method that the segmentation stage pre-installs, and decreases the relevant working out of secondary application on ship, improves construction environment; Directly reduce expenditure of time and the coating consumption of unit area application, solve the situation of vessel coating cycle anxiety, improve the coating quality of ballast tank simultaneously, create favourable condition for ship stern ballast tank area painting reaches PSPC standard.
Claims (2)
1. the shipbuilding method pre-installed in the segmentation stage of base of steering gear, is characterized in that the method comprises the steps:
1. steering engine room deck is divided into multiple width type independent segmented, is called steering engine room deck panel;
2. the door frame drawing door frame in described steering engine room deck panel normal state is arranged and reinforcement figure;
3. base of steering gear is enrolled corresponding ssection fitting-out pallet control table;
4. the described structural completion of steering engine room deck panel, and submit end to;
5. to described steering engine room deck panel distortion correction by flame, require that base of steering gear installation region deck level degree is +/-3mm;
6. described steering engine room deck panel normal state placed, adjustment segment level degree, makes deck level degree≤8mm;
7. base of steering gear manufacturing sector is made into base of steering gear according to detail drawing and is included into corresponding ssection fitting-out pallet;
8. according to base of steering gear detail drawing, segmentation prepackage is carried out to described base of steering gear, after prepackage terminates, the precision of prepackage is tested, meets setting accuracy requirement;
9., after base of steering gear prepackage terminates, in the overall normal state of described steering engine room deck panel, door frame enters sand washing, then paints.
2. the shipbuilding method pre-installed in the segmentation stage of base of steering gear according to claim 1, it is characterized in that the described precision of prepackage is tested, accuracy requirement is described base of steering gear line of centers and steering engine room deck panel segmentation centerline deviation is +/-2mm, and base of steering gear levelness is installed as +/-3mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210311447.1A CN102815371B (en) | 2012-08-29 | 2012-08-29 | Ship manufacturing method for pre-mounting steering engine base in segmentation step |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210311447.1A CN102815371B (en) | 2012-08-29 | 2012-08-29 | Ship manufacturing method for pre-mounting steering engine base in segmentation step |
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| CN102815371A CN102815371A (en) | 2012-12-12 |
| CN102815371B true CN102815371B (en) | 2014-12-31 |
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| CN103625629B (en) * | 2013-12-18 | 2016-04-27 | 中国长江航运集团南京金陵船厂 | The installation and adjustment method of boats and ships full circle swinging electric power rudder oar propulsion system |
| CN107264724A (en) * | 2017-05-15 | 2017-10-20 | 沪东中华造船(集团)有限公司 | It is used for the baseline design method that fitting-out piping is installed in the anti-state segmentation of cabin curved surface |
| CN107284603B (en) * | 2017-05-15 | 2019-04-16 | 沪东中华造船(集团)有限公司 | LNG liquid vault segment is the same as tire manufacture, stage by stage folding method |
| 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 |
| CN109606542B (en) * | 2018-06-15 | 2020-10-30 | 沪东中华造船(集团)有限公司 | Method for controlling positioning and mounting precision of special equipment base on block |
| CN110254622B (en) * | 2019-06-27 | 2021-11-16 | 广船国际有限公司 | Preassembling method of ship outfitting piece |
| CN114379740A (en) * | 2021-12-10 | 2022-04-22 | 沪东中华造船(集团)有限公司 | Method for quickly mounting grid platform in ship |
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