CN102501944B - Method for manufacturing and installing inclined curved side port - Google Patents
Method for manufacturing and installing inclined curved side port Download PDFInfo
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- CN102501944B CN102501944B CN201110332437.1A CN201110332437A CN102501944B CN 102501944 B CN102501944 B CN 102501944B CN 201110332437 A CN201110332437 A CN 201110332437A CN 102501944 B CN102501944 B CN 102501944B
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Abstract
The invention relates to a method for manufacturing and installing an inclined curved side port, which comprises the following steps: according to the practical situation of the linear curvature of the side port manufactured and installed in a hull side area, performing subsection division again to enable a new subsection to contain the whole side port, and enabling the new subsection to be named a CS24APS subsection; implementing bodiless manufacturing and integral welding on the structure of the side port and the CS24APS subsection at a time; positioning a hinge and performing preassembly on the side port; after the CS24APS subsection is assembled and unbodied, performing the preassembly on the side port in the CS24APS subsection; when docking final assembly is performed, firstly, installing a locating backer when the side port and the block of the subsection are folded; performing final fine adjustment to determine the position of the hinge by utilizing a large crane and an auxiliary assembly tool when a dock is formally provided with the side port; and then welding. The method for manufacturing and installing the inclined curved side port is capable of ensuring the operation of the dock to be safe and one-time hoisting to be successful, thereby, the production efficiency of assembly is improved, and the production cycle of the dock is shortened.
Description
Technical field
The present invention relates to shipbuilding, particularly a kind of manufacture installation method of tilting shaped form side port of boats and ships.
Technical background
A special purpose ship of building, need to arrange large-scale side port.By the line of centers of this side port hinge of designing requirement, be positioned this ship 56# rib position and hull center angle 1.38 degree, the 54 degree bottom lines that are inclined upwardly apart from base 8640 waterline places perpendicular to side port, side port structure outside plate line style must conform to hull curvature line style.
In the manufacture process of leading ship, the reference technique of being for want of correlated with, in segmentation partition process, consider sheet material specification and division system fabrication technique, adopted traditional segmentation division methods, side port is divided between CG44PS and CS24APS segmentation, side port can only and segment apart making as independent structure, although segmentation and side port are manufactured respectively more for convenience, but later stage dock is installed comparatively trouble, due to can not be through assembled in advance, the hinge through side port hinge and segmentation does not match, at the large-scale crane installation exercise of 700T for dock, lack again positioning anchor, be difficult in place fast, to site operation, brought inconvenience, incur loss through delay dock general assembly and produced node.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned existing technology, a kind of manufacture installation method of the tilting curvature line style side port for boats and ships is provided, the method can guarantee that side port structure and adjacent sectional combine the reasonableness of construction, avoid the blindness of the total group of side port, pre-splicing harness has operability in the segmentation fabrication phase to make side port hinge, can guarantee the correctness of side port dock location and installation, guarantee dock job safety and once lift successfully, improving boats and ships in the production efficiency of dock.
Technical solution of the present invention is as follows:
For a manufacture installation method for the tilting curvature line style side port of boats and ships, its feature is that the method comprises the steps:
1) according to side port, manufacture is arranged on the actual conditions of the line style curvature in ship side region, re-starts segmentation, makes new fragmented packets containing whole side port, and called after CS24APS segmentation;
2) described side port structure and described CS24APS segmentation are carried out with tire manufacture, subsection and side port door-plate be bed board simultaneously, vertical bone framework is synchronizeed with the line of side port framework, mark segmentation hinge and side port hinge position, the curvature line style correctness of CS24APS segmentation and side port is guaranteed, CS24APS segmentation and side port with tire manufacture, welding after stand up respectively again welding;
3) hinge location and side port is assembled in advance:
It is the key that side port is installed that hinge is made, and this hinge scribing position is set in doorframe CS24APS segmentation the base area with side port structure, vertical with described side port line of centers, directly on base plate datum line to the location of ruling, hinge eye plate position;
4) in described CS24APS segmentation welding equipment, finish after tread flaking, described side port is carried out in CS24APS segmentation assembled in advance, distortion during distortion correction by flame welding equipment, line style is revised, realizing aloft work level land does, check side port line style and subsection line style fairing degree, guarantee that revised line style and hull form coincide, then that described side port is separated with described CS24APS segmentation;
5) docking general assembly, described CS24APS segmentation and boats and ships complete cross section are closed up when assembled, the positioning anchor that side port and CS24APS segmentation and complete cross section close up is first installed, during formal installation side port, utilize large-scale crane and auxiliary fitter's tools, hinge position is done to last fine setting and determine rear welding equipment, to guarantee the safety of dock operation and once to lift successfully.
Described CS24APS segmentation is to put a part of structure of CG44PS segmentation under original CS24APS segmentation to form, the side port that former embedding is mended in the middle of segmentation CG44PS and CS24APS segmentation is included in CS24APS segmentation completely, and take the line of centers of described side port and be check line, be positioned 56# rib position vertical to stern the be inclined upwardly normal direction of 54 degree of 1.38 degree and side door base plate line-spacing base 8640 waterlines that tilts, make described CS24APS segmentation and side port structure formation integrated combination.
The invention has the beneficial effects as follows:
1,, by segmentation division methods again, according to side port structure place hull areas particular location, the actual conditions of line style curvature are selected that side port is placed on to CS24APS topside subsection and are manufactured together, line simultaneously, field weld is carried out in the alignment of plate suture simultaneously, guarantees the correctness of line style.
Be characterized in: CG44PS deck construction puts CS24APS segmentation under, side port is placed on assembling in CS24APS side of a ship portion subsection, and its advantage is that plate suture road is connected rationally, and vertical bone framework can be synchronizeed to rule with side door framework and once completed.
2, the two skew moulding beds of side of a ship portion subsection turn to localization method, are characterized in: the base plate 1.7 that turns to that calculates side port structural key is spent angles, is combined into a two skew moulding bed, and the same elements of a fix are set.The committed step of new side door moulding bed line, is that to take the incline hinge line of side door bottom be benchmark, and 56# rib position turns to 1.38 degree line of centerss, and normal direction is perpendicular to hinge baseline, the keystone configuration of side port carry out coordinate setting vertical with hinge lines.
3, hinge line with preframed feature is: scribing position is set in the doorframe base area of CS24APS segmentation and side port structure, and hinge eye plate line of centers is vertical with side port line of centers again, and both are unified.The committed step of hinge line is to revise hull curvature line style, after adopting integrated combination moulding bed, can directly on base plate datum line, to the line of hinge eye plate position, locate, although there is welding deformation in welding equipment process, can adopt distortion correction by flame, eliminate door and subsection deformation phenomenon, hinge bolt eye after machinework is to going up.Before tread flaking, side port and segmentation are carried out assembled in advance, before formal docking, carry out again pre-assembled detection, doorframe line style and pin socket, eye plate inspection fine setting are revised, and side port is hung in to segmentation, locate, install " backer ", guarantee in dock lifting one-time-reach-place.
4. site operation cooperation is characterized in: frock moulding bed is made and coordinated, making all coordinate setting values is all the spatial datas through diversion treatments, to on-the-spot, carried out the explanation of moulding bed key coordinate value application and written chart data is provided for this reason, and need to increase positioning anchor at the knuckle place of line style according to scene, increase doorframe edge locator value.Its innovative point is segmentation and side port textural association region curvature line style, take diclinic to cut and be close to line style face method for slitting, while making site assembly in milder state, twice scene is assembled in advance, observe correction, determine the positioning anchor of Hoisting Security, guarantee that formal installation carries out smoothly.Stipulated work flow, job instruction is provided.
Accompanying drawing explanation
Fig. 1, the former segmentation in side port of the present invention region and side door structure arrangement plan
Arrangement plan after Fig. 2, side port of the present invention region CS24APS and the structure-integrated combination of side port
Fig. 3, moulding bed positioning marking figure
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but should not limit the scope of the invention with this.
First refer to Fig. 2, the manufacture installation method of tilting curvature line style side port of the present invention, comprises the steps:
1) according to side port, manufacture is arranged on the actual conditions of the line style curvature in ship side region, re-starting segmentation divides, make new fragmented packets containing whole side port, and called after CS24APS segmentation, as shown in Figure 2: in the present embodiment, described CS24APS segmentation is to put a part of structure of CG44PS segmentation under original CS24APS segmentation to form, the side port that former embedding is mended in the middle of segmentation CG44PS and CS24APS segmentation is included in CS24APS segmentation completely, and take the line of centers of described side port and be check line, be positioned 56# rib position vertical to stern the be inclined upwardly normal direction of 54 degree of 1.38 degree and side door base plate line-spacing base 8640 waterlines that tilts, make described CS24APS segmentation and side port structure form integrated combination,
2) described side port structure and described CS24APS segmentation are carried out with tire manufacture, strengthen segmental structure intensity, vertical bone framework is synchronizeed with the line of side port framework, mark hinge position and dock backer is installed, the curvature line style correctness of CS24APS segmentation and side port is guaranteed, CS24APS segmentation and side port with tire manufacture, welding after stand up respectively again welding;
3) hinge location and side port is assembled in advance:
It is the key that side port is installed that hinge is made, and this hinge scribing position is set in doorframe CS24APS segmentation the base area with side port structure, vertical with described side port line of centers, directly on base plate datum line to the location of ruling, hinge eye plate position;
4) in described CS24APS segmentation welding equipment, finish after tread flaking, before docking, described side port is carried out in CS24APS segmentation assembled in advance, distortion during distortion correction by flame welding equipment, line style is revised, realized aloft work level land and do, check side port line style and subsection line style fairing degree, guarantee that revised line style and hull form coincide, then that described side port is separated with described CS24APS segmentation;
5) docking general assembly, described CS24APS segmentation and boats and ships complete cross section are closed up when assembled, the positioning anchor that side port and CS24APS segmentation and complete cross section close up is first installed, during formal installation side port, utilize large-scale crane and auxiliary fitter's tools, hinge position is done to last fine setting and determine rear welding equipment, to guarantee the safety of dock operation and once to lift successfully.
The step that specific implementation method is installed in the manufacture of tilting curvature line style side port is as follows:
1, side port structure and CS24APS segmentation are grouped together
1) according to equipment mounting process, weight-lifting equipment, material specification, manufacturing process, working ability, code requirements etc. are divided because usually considering the segmentation of side port structural region, consider that the linking of jointing line and the modular combination in dock stage need.
2) side port is placed on to integrated welding equipment in the little separation structure of CS24APS segmentation side of a ship sidepiece, realization is with tire manufacture: put CG44PS part-structure under CS24APS segmentation, make this segmentation and side port have sufficient intensity, adjusting plate suture road aligns with adjacent sectional, plate suture road is connected rationally, vertical bone framework is synchronizeed and is carried out new line with the line of side door framework, peace side port line of centers due to 56# rib position to stern 1.38 degree that tilt, vertical with the side port base plate line-spacing base 8640 waterline places 54 degree normal direction that are inclined upwardly.(seeing Fig. 1, Fig. 2)
2, side of a ship portion subsection diclinic is cut zooming moulding bed
1) take after integrated combination segmentation, CS24APS segmental structure is corresponding is combined into a two skew moulding bed by original two tangent independence moulding beds, key point is according to the actual moulding bed position base line of making after turning of the curvature line style in side port region, moulding bed base plate orientation angle is 1.7 degree, and using the line of centers of side port structure centre line as the benchmark check of location, at establishment offset coordinate time, must carry out definite value according to the side port one-tenth-value thickness 1/10 different with CS24APS segmentation deduction outside plate simultaneously, segmentation line is sequentially to rule by vertical bone, side port is according to topside line of centers definite value, then be by waterline coordinate, rib position coordinate turns back in side port structure, make side port region consistent with the moulding bed coordinate figure of segmentation.
2) larger because of rib distance at the edge of topside doorframe, the blind spot of formation coordinate figure increases auxiliary separating rib for this reason, and the width value coordinate points at divide line and doorframe edge, is guaranteed the correctness of the curvature line style of CS24APS segmentation and side port.On the basis that completes above-mentioned moulding bed design plan, also needing provides written outside plate locating data table (seeing Fig. 3), has explained the application of location numerical tabular at erecting yard, and segmentation and side port assembling are carried out smoothly.
3, the line of hinge location is with assembled in advance
1) hinge scribing position is set in the doorframe base area of CS24APS segmentation and side port structure, vertical to the stern 1.38 degree side port line of centerss that tilt at be inclined upwardly 54 degree and 56# rib of bottom datum line 8640 waterlines, and socket position is set.
2) the mach requirement of hinge, comprises and inserts shaft diameter size block set bore size, the machinework to hinge precision is controlled, and has stipulated hinge installation exercise program, and the surplus of eye plate is controlled according to the profile of measured data correction hinge.
Hinge base line style is in side port hinge one side, and foreign punch mark is carried out in the line of assembling location, is welded interim hinge eye plate, and configures socket axis with eye plate is welded and fixed, and during interim eye plate installation, axis hole center should be with the center of formal eye plate on same straight line.Positioning welding main hinge.
3) hinge installation exercise diagram of circuit
------------hinge eye plate location welding---is installed hinge annex (critical process)---real side rubber washer plate thickness correction (critical process)---operation location to eye plate root modification of dimension to finishing hull structure line style (critical process) to segmental hoisting in eye plate dimensional measurement.
4) in side port welding equipment, finish to carry out tread flaking assembled in advance, according to welding deformation, distortion correction by flame correction line style, before the lifting that formally lies up, need carry out again assembled in advance, revise side port structure line style and be connected line style with ship hull plate, note the clearance amendment between the side plating of both sides, side port bottom, according to hinge position size and side door thickness of slab fair line type, after the unlatching of assurance side port puts in place, structure is not collided.
4, on-the-spot construction coordinates
1) regroup side port construction technique moulding bed job instruction is provided, hinge installation exercise guiding book, makes some regulations to the characteristic of CS24APS segmentation and the line of side port structure, requires unit in charge of construction's strict implement relevant technological discipline.
2) the vertical bone framework of segmentation adopts steel band line routinely, side port structure is to stern, to tilt its 1.38 degree for side port center line line according to its 56# rib position, with 8460 waterlines be inclined upwardly the side door bottom line water of 54 degree vertical be benchmark, segmentation side port locations of structures zooming coordinate figure is provided.It is according to segmentation and side port textural association region curvature line style that moulding bed is made, take diclinic to cut and be close to line style face method for slitting, and according to the different thickness of side port structure outside plate, determine the locating data of moulding bed pillar, knuckle place in line style, increase tire plate and locate " backer ", increase the locator value in rib space, doorframe edge, to the on-the-spot explanation of carrying out moulding bed crucial steering angle location and coordinate figure application.
3) take in the segmentation stage, side port to be carried out assembled in advance in advance, having realized aloft work level land does, before formal docking, again side port is carried out to pre-assembled detection, side port located to the correction of subsection line style, carry out the positioning anchor of total group, increased the safety of dock operation, guaranteed once to lift successfully.
Experiment shows: the inventive method has been improved working condition, has guaranteed the construction quality that side port welding equipment and dock are installed, and can guarantee the safety of dock operation and once lift successfully, has improved the production efficiency of assembling, has shortened the dock production cycle.
Claims (2)
1. for a manufacture installation method for the tilting curvature line style side port of boats and ships, its feature is that the method comprises the steps:
1) according to side port, manufacture is arranged on the actual conditions of the line style curvature in ship side region, re-starts segmentation, makes new fragmented packets containing whole side port, and called after CS24PS segmentation;
2) described side port structure and described CS24PS segmentation are carried out with tire manufacture, subsection and side port door-plate be bed board simultaneously, vertical bone framework is synchronizeed and is rule with side port framework, mark segmentation hinge and side port hinge position, the curvature line style correctness of CS24PS segmentation and side port is guaranteed, after manufacture that CS24PS segmentation and side port are shipmate, welding, stands up respectively again welding;
3) hinge location and side port is assembled in advance:
It is the key that side port is installed that hinge is made, and this hinge scribing position is set in doorframe CS24PS segmentation the base area with side port structure, vertical with described side port line of centers, directly on base plate datum line to the location of ruling, hinge eye plate position;
4) in described CS24PS segmentation welding equipment, finish after tread flaking, before docking, described side port is carried out in CS24PS segmentation assembled in advance, distortion during distortion correction by flame welding equipment, line style is revised, realized aloft work level land and do, check side port line style and subsection line style fairing degree, guarantee that revised line style and hull form coincide, then that described side port is separated with described CS24PS segmentation;
5) docking general assembly, at described CS24PS segmentation and boats and ships complete cross section, close up when assembled, the positioning anchor that CS24PS segmentation and side port and complete cross section close up is first installed, during formal installation side port, utilize large-scale crane and auxiliary fitter's tools, hinge position is done to last fine setting and determine rear welding equipment, to guarantee the safety of dock operation and once to lift successfully.
2. the manufacture installation method of tilting curvature line style side port according to claim 1, it is characterized in that described CS24PS segmentation is to put a part of structure below of CG44PS segmentation under original CS24PS segmentation to form, the side port that former embedding is mended in the middle of segmentation CG44PS and CS24PS segmentation is included in CS24PS segmentation completely, and take the line of centers of described side port and be check line, be positioned 56# rib position to stern inclination 1.38 degree, vertical with the be inclined upwardly normal direction of 54 degree of side door base plate line-spacing base 8640 waterlines, make described CS24PS segmentation and side port structure form integrated combination.
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| CN201110332437.1A CN102501944B (en) | 2011-10-27 | 2011-10-27 | Method for manufacturing and installing inclined curved side port |
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| CN201110332437.1A CN102501944B (en) | 2011-10-27 | 2011-10-27 | Method for manufacturing and installing inclined curved side port |
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| CN102501944B true CN102501944B (en) | 2014-03-05 |
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| CN110466689B (en) * | 2019-06-14 | 2022-05-31 | 中船桂江造船有限公司 | Method for controlling mounting precision of stern door hinge |
| CN110341878B (en) * | 2019-06-18 | 2021-06-01 | 沪东中华造船(集团)有限公司 | Mounting method of stern sealing plate hinge |
| CN110315234B (en) * | 2019-07-16 | 2021-07-23 | 江南造船(集团)有限责任公司 | Manufacturing method of volute structure of cushion lifting fan for ship |
| CN110758673B (en) * | 2019-09-18 | 2021-11-02 | 沪东中华造船(集团)有限公司 | Ship side door segmented preassembling method |
| CN110802369A (en) * | 2019-09-30 | 2020-02-18 | 广州文冲船厂有限责任公司 | Manufacturing process of steel pile door of dredger |
| CN110877684B (en) * | 2019-11-15 | 2021-06-01 | 沪东中华造船(集团)有限公司 | Positioning and mounting method for ship side door |
| CN113501082A (en) * | 2021-07-21 | 2021-10-15 | 上海外高桥造船有限公司 | Side door and mounting method thereof |
| CN113911285A (en) * | 2021-11-01 | 2022-01-11 | 沪东中华造船(集团)有限公司 | High-precision building method for ship side door |
| CN114735157B (en) * | 2022-04-27 | 2023-07-28 | 广船国际有限公司 | Ship bow door sectional type main hinge eye plate mounting method |
| CN115535173A (en) * | 2022-08-09 | 2022-12-30 | 沪东中华造船(集团)有限公司 | Construction method of double-oblique segmentation section |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357198B1 (en) * | 1998-10-14 | 2002-03-19 | Alstom France S.A. | Method of mounting cladding on a wall of a cabin on a ship |
| CN1751960A (en) * | 2005-09-07 | 2006-03-29 | 广州文冲船厂有限责任公司 | Lengthening reform technology of ship |
| CN101407248A (en) * | 2008-11-14 | 2009-04-15 | 大连船舶重工集团有限公司 | Integrated building method of shipboard subsection in shipbuilding process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018481A (en) * | 1983-07-08 | 1985-01-30 | Hitachi Zosen Corp | Method of building floating dock from two existing tankers |
-
2011
- 2011-10-27 CN CN201110332437.1A patent/CN102501944B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357198B1 (en) * | 1998-10-14 | 2002-03-19 | Alstom France S.A. | Method of mounting cladding on a wall of a cabin on a ship |
| CN1751960A (en) * | 2005-09-07 | 2006-03-29 | 广州文冲船厂有限责任公司 | Lengthening reform technology of ship |
| CN101407248A (en) * | 2008-11-14 | 2009-04-15 | 大连船舶重工集团有限公司 | Integrated building method of shipboard subsection in shipbuilding process |
Non-Patent Citations (2)
| Title |
|---|
| 宋丽萍，刘建峰，马登哲.《启发式遗传算法在分段舾装分道作业计划中的应用研究》.《上海造船》.2008,(第74期), * |
| 翟高进,陈轶锋,郭林.《57000DWT散货船上层建筑水下整体吊装工艺制定与有限元分析》.《造船技术》.2010,(第297期),第22-25页. * |
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