CN107301279A - A kind of three-dimensional modeling method of hull kuppe - Google Patents
A kind of three-dimensional modeling method of hull kuppe Download PDFInfo
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- CN107301279A CN107301279A CN201710421879.0A CN201710421879A CN107301279A CN 107301279 A CN107301279 A CN 107301279A CN 201710421879 A CN201710421879 A CN 201710421879A CN 107301279 A CN107301279 A CN 107301279A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000013461 design Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The present invention discloses a kind of three-dimensional modeling method of hull kuppe, including according to the design requirement of kuppe, sets up kuppe two dimensional model sectional view and top view；Kuppe two dimensional model top view is adjusted, the vertical perspective view of kuppe is set up；By some deciles of the vertical perspective view annular of kuppe, the vertical perspective view after decile is positioned in hull model, generation kuppe two dimensional model positioning figure；By kuppe two dimensional model bending, kuppe threedimensional model top view is generated；According to kuppe threedimensional model top view, kuppe and outside plate intersection point are determined；The Along ent of outside plate intersection point and mouth under kuppe is connected respectively, kuppe threedimensional model is generated.The present invention can be with fairing kuppe line style by adjusting model, the data needed for part setting-out are directly measured from model, cut the model sample case needed for part processing, the accurate data of assembling construction is provided, simple, convenient, reliability is high, and versatility is good, production cost can be reduced, operating efficiency is improved.
Description
Technical field
Field, more particularly to a kind of three-dimensional modeling method of hull kuppe are modeled the present invention relates to Ship Structure.
Background technology
The hull tail end of spot ship, which is provided with before rudder plate, rudder plate, is provided with rowlock, and the axle between rowlock and rudder plate is provided with
Propeller.However, the hull tail end of ship is current the most complicated place, ship moves ahead rowlock can be scattered by current four time,
And current accelerate, the propeller being rotated afterwards, which is again speeded up, to be promoted after current direction so that action edge before ship is obtained.Pass through
Kuppe is provided with rowlock, four times dispersing water flows are converged and rush at propeller, the stream of local current can be further improved
Speed so that ship speed is improved.
Existing water conservancy diversion cover structure, is difficult to structural modeling always.So kuppe class formation can only just pass through craft
Setting-out is completed, because setting-out part often places many surpluses to ensure fitted position, the kuppe part obtained by hand
Without sample case is accurately processed, so as to cause part machine-shaping effect poor, difficulty is brought to assembling construction.
In addition, the kuppe part error of manual lofting is big, lacks processing foundation, cause assembly period long, sheet material is utilized
Rate and operating efficiency can all be reduced.
The content of the invention
It is of the invention to realize that the setting-out difficulty for precisely modeling and causing is big, process for water conservancy diversion cover structure in the prior art
The defects such as shaping is poor, assembling long construction period, propose a kind of three-dimensional modeling method of hull kuppe.
The present invention is achieved by the following technical solutions：
A kind of three-dimensional modeling method of hull kuppe, including：
According to the design requirement of kuppe, kuppe two dimensional model sectional view and top view are set up；
Kuppe two dimensional model top view is adjusted, the vertical perspective view of kuppe is set up；
By some deciles of the vertical perspective view annular of kuppe, the vertical perspective view after decile is positioned in hull model,
Generate kuppe two dimensional model positioning figure；
By kuppe two dimensional model bending, kuppe threedimensional model top view is generated；
According to kuppe threedimensional model top view, kuppe and outside plate intersection point are determined；
The Along ent of outside plate intersection point and mouth under kuppe is connected respectively, kuppe threedimensional model is generated.
Preferably, methods described is performed on the computer for be provided with 3 d modeling software, and the 3 d modeling software is
CAD application software.
Preferably, the design requirement of the kuppe is：The vertical hull basal plane BL of the kuppe axis, is longitudinally located at
FR149, laterally away from midship 700mm.
Preferably, the kuppe includes larboard kuppe and starboard kuppe, and the larboard kuppe lower internal diameter is small
In the starboard kuppe lower internal diameter.
Preferably, the larboard kuppe lower internal diameter is 342mm, and the starboard kuppe lower internal diameter is 630mm, institute
It is 680mm to state mouth external diameter under starboard kuppe.
Preferably, the angle of the larboard kuppe and starboard kuppe and vertical direction is 30 °, the larboard water conservancy diversion
Cover and the starboard kuppe and the angle of horizontal direction are 20 °.
Preferably, mouth is circle under mouth and the starboard kuppe under the larboard kuppe, the larboard kuppe
Suitable for reading and described starboard kuppe is suitable for reading to be crossed to form two contour lines with outside plate respectively.
Preferably, the isodisperse of the annular decile of the vertical perspective view of the kuppe can be according to the appropriate increase and decrease of line style change.
The present invention, with reference to hull model, utilizes the three-dimensional of CAD application software according to kuppe design feature and design requirement
Function, realizes kuppe structural modeling.
The present invention has the advantages that：
The present invention proposes a kind of three-dimensional modeling method of hull kuppe, can be with fairing kuppe line by adjusting model
Type, directly measures the data needed for part setting-out from model, and the model sample case needed for cutting part processing is constructed there is provided assembling
Accurate data, simple, convenient, reliability is high, and versatility is good, can reduce production cost, improves operating efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the three-dimensional modeling method for the kuppe that the embodiment of the present invention 1 is provided；
Fig. 2 is the kuppe two dimensional model sectional view that the embodiment of the present invention 1 is provided；
Fig. 3 is the A-A profiles for Fig. 2 that the embodiment of the present invention 1 is provided；
Fig. 4 is the A for Fig. 3 that the embodiment of the present invention 1 is provided to direction view；
Fig. 5 is the vertical perspective view of kuppe that the embodiment of the present invention 1 is provided；
Fig. 6 is that the annular that the embodiment of the present invention 1 is provided waits point kuppe two dimensional model top view；
Fig. 7 is the two dimensional model positioning figure after the kuppe decile that the embodiment of the present invention 1 is provided；
Fig. 8 is the kuppe threedimensional model top view that the embodiment of the present invention 1 is provided；
Fig. 9 is the kuppe threedimensional model axonometric drawing that the embodiment of the present invention 1 is provided；
Figure 10 is the kuppe three-dimensional model diagram that the embodiment of the present invention 1 is provided.
In figure：Mouth, 3- under mouth under 1- larboard kuppes, 11- larboard kuppes, 2- starboard kuppes, 21- starboard kuppes
Outside plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment 1：
The present embodiment discloses a kind of three-dimensional modeling method of hull kuppe, and specifically including following steps, (Fig. 1 is entirely to build
The flow chart of mould method)：
S1：According to the design requirement of kuppe, kuppe two dimensional model sectional view and top view are set up.
CAD application software is embedded in the drawing application software in the terminals such as personal computer.On computer terminals
CAD application software is performed, according to the design requirement of kuppe, kuppe two dimensional model sectional view and top view is set up.
Referring to Fig. 2, Fig. 2 is kuppe two dimensional model sectional view.As shown in Figure 2, the cross section of kuppe is semicircle,
The vertical hull basal plane BL of kuppe axis, longitudinal direction is located at FR149, and laterally away from midship 700mm, kuppe is divided into the He of larboard kuppe 1
Starboard kuppe 2, large and small each one.Preferably, the internal diameter of mouth 11 is 342mm under larboard kuppe, under starboard kuppe in mouth 21
Footpath is 630mm, and the angle of larboard kuppe 1 and starboard kuppe 2 and vertical direction is 30 °.
Refer to Fig. 3 and Fig. 4, Fig. 3 is Fig. 2 A-A profiles, Fig. 4 for Fig. 3 A to the two-dimentional mould of direction view, i.e. kuppe
Type top view.From Fig. 3 and Fig. 4, larboard kuppe 1 and starboard kuppe 2 are connected with outside plate 3 respectively, the He of larboard kuppe 1
The angle of starboard kuppe 2 and horizontal direction is 20 °, and mouth 21 is under circle, starboard kuppe outside mouth 21 under starboard kuppe
Footpath is 680mm.
S2：Kuppe two dimensional model top view is adjusted, the vertical perspective view of kuppe is set up.
Referring to Fig. 5, Fig. 5 is the vertical perspective view of kuppe, require that correspondence adjustment kuppe two dimensional model is overlooked according to Fig. 2
Figure, tentatively sets up the vertical perspective view of kuppe.From figure 5 it can be seen that mouth under mouth 11 and starboard kuppe under larboard kuppe
21 be positive round, and larboard kuppe is suitable for reading and starboard kuppe is suitable for reading is crossed to form two contour lines with outside plate respectively.
S3：By annular 24 deciles of the vertical perspective view of kuppe.
As shown in fig. 6, by annular 24 deciles of the vertical perspective view of kuppe, isodisperse can increase and decrease according to line style change is appropriate,
Isodisperse is more much more accurate.
S4：Vertical perspective view after decile is positioned in hull model, generation kuppe two dimensional model positioning figure.
As shown in fig. 7, extract relevant portion from hull model, the top view of decile is positioned at ship according to design requirement
In body Model.It is outer between the positioning accuracy in hull model, larboard kuppe extraction FR148~FR150 in order to improve
Slab, starboard kuppe extracts the outer Slab between FR147~FR151.
S5：By kuppe two dimensional model bending, kuppe threedimensional model top view is generated.
As shown in figure 8, the two dimensional model of kuppe is bent into threedimensional model is included in CAD application software.
S6：According to kuppe threedimensional model top view, kuppe and outside plate intersection point are determined.
As shown in figure 9, according to the kuppe threedimensional model top view being shown in CAD application software, it may be determined that larboard
Kuppe 1, starboard kuppe 2 and the intersection point of outside plate 3.
S7：The Along ent of outside plate intersection point and mouth under kuppe is connected respectively, kuppe threedimensional model is generated.
As shown in Figure 10, the Along ent correspondence in top view is incident upon on outside plate 3, and with mouth 11 under larboard kuppe,
The Along ent connection of mouth 21, forms kuppe threedimensional model under starboard kuppe.
In the prior art, kuppe class formation can only be completed by manual lofting, because setting-out part is often placed very
Many surpluses are to ensure fitted position, and the kuppe part obtained by hand is without sample case is accurately processed, so as to cause part to add
Work molding effect is poor, and difficulty is brought to assembling construction.In addition, the kuppe part error of manual lofting is big, lack processing according to
According to causing assembly period long, availability ratio of the armor plate and operating efficiency can all be reduced.
The present invention, in the three-dimensional model, can be to kuppe line style by the way that water conservancy diversion cover structure is combined with hull model
Adjustment, reaches fairing requirement.Follow-up part setting-out expansion, processing and fabricating, assembling etc. of ruling can directly be measured from model
The data needed for part setting-out are taken, the model sample case needed for part processing is cut, accurate data is provided for assembling construction.This method
Simple, convenient, reliability is high, and versatility is good, can reduce production cost, improves operating efficiency.
Embodiment 2：
The three-dimensional modeling method for the hull kuppe that the present embodiment is provided, it in place of the difference of embodiment 1 with being：It will lead
Annular 36 deciles of the vertical perspective view of stream cover, remaining step is consistent with embodiment 1, will not be repeated here.
Compared with implementing 1, the present embodiment can further improve the vertical perspective view after decile and be positioned in hull model
Positioning accuracy, reduce subsequent parts setting-outs expansion, processing and fabricating, line assembling therefrom measures the error of data, makes water conservancy diversion
Cover part can accurately process sample case, improve part machine-shaping effect, be offered convenience for assembling construction.
Embodiment 3：
The three-dimensional modeling method for the hull kuppe that the present embodiment is provided, it in place of the difference of embodiment 1 with being：It will lead
Annular 48 deciles of the vertical perspective view of stream cover, remaining step is consistent with embodiment 1, will not be repeated here.
Compared with implementing 1 and embodiment 2, the present embodiment can further improve the vertical perspective view after decile and be positioned at ship
Positioning accuracy in body Model, reduces subsequent parts setting-out expansion, and processing and fabricating, line assembling therefrom measures the mistake of data
Difference, allows kuppe part accurately to process sample case, improves part machine-shaping effect, is offered convenience for assembling construction.
Each step in technical scheme in the present invention can be realized by terminal.The terminal bag
Include processor and memory.The memory is used to store the programmed instruction in the present invention, and the processor is stored by running
Programmed instruction in memory, realizes corresponding function of the present invention.
The invention provides a kind of thinking of the three-dimensional modeling method of hull kuppe, the side of the technical scheme is implemented
Method and approach are a lot, and described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.Each part being not known in the present embodiment can use prior art to be realized.
Claims (8)
1. a kind of three-dimensional modeling method of hull kuppe, it is characterised in that including：
According to the design requirement of kuppe, kuppe two dimensional model sectional view and top view are set up；
Kuppe two dimensional model top view is adjusted, the vertical perspective view of kuppe is set up；
By some deciles of the vertical perspective view annular of kuppe, the vertical perspective view after decile is positioned in hull model, generated
Kuppe two dimensional model positioning figure；
By kuppe two dimensional model bending, kuppe threedimensional model top view is generated；
According to kuppe threedimensional model top view, kuppe and outside plate intersection point are determined；
The Along ent of outside plate intersection point and mouth under kuppe is connected respectively, kuppe threedimensional model is generated.
2. the three-dimensional modeling method of hull kuppe according to claim 1, it is characterised in that methods described is being provided with
Performed on the computer of 3 d modeling software, the 3 d modeling software is CAD application software.
3. the three-dimensional modeling method of hull kuppe according to claim 1, it is characterised in that the design of the kuppe
It is required that being：The vertical hull basal plane BL of the kuppe axis, longitudinal direction is located at FR149, laterally away from midship 700mm.
4. the three-dimensional modeling method of hull kuppe according to claim 3, it is characterised in that the kuppe includes a left side
Side of a ship kuppe and starboard kuppe, the larboard kuppe lower internal diameter are less than the starboard kuppe lower internal diameter.
5. the three-dimensional modeling method of hull kuppe according to claim 4, it is characterised in that under the larboard kuppe
Intraoral footpath is 342mm, and the starboard kuppe lower internal diameter is 630mm, and mouth external diameter is 680mm under the starboard kuppe.
6. the three-dimensional modeling method of the hull kuppe according to claim 4 or 5, it is characterised in that the larboard water conservancy diversion
The angle of cover and starboard kuppe and vertical direction is 30 °, the larboard kuppe and the starboard kuppe and level side
To angle be 20 °.
7. the three-dimensional modeling method of hull kuppe according to claim 4, it is characterised in that under the larboard kuppe
Mouthful and the starboard kuppe under mouth be circle, larboard kuppe starboard kuppe suitable for reading and described it is suitable for reading respectively with outside
Plate is crossed to form two contour lines.
8. the three-dimensional modeling method of hull kuppe according to claim 1, it is characterised in that the vertical throwing of kuppe
The isodisperse of shadow figure annular decile can be according to the appropriate increase and decrease of line style change.
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| CN201710421879.0A CN107301279B (en) | 2017-06-07 | 2017-06-07 | Three-dimensional modeling method for ship body dome |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765552A (en) * | 2018-05-17 | 2018-11-06 | 中船黄埔文冲船舶有限公司 | A kind of method of deploying of runner rebound |
| CN109131739A (en) * | 2018-09-30 | 2019-01-04 | 中船黄埔文冲船舶有限公司 | A kind of setting out method of the stern molded line containing runner |
| CN110254620A (en) * | 2019-06-28 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of production method that side pushes away grid |
| CN110884626A (en) * | 2019-11-15 | 2020-03-17 | 沪东中华造船(集团)有限公司 | Design method of integrated mounting base of navigation equipment underwater sensor |
| 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 |
| CN111805813A (en) * | 2020-06-12 | 2020-10-23 | 陕西飞机工业（集团）有限公司 | Modeling processing method of high-temperature forming male die |
| CN112132621A (en) * | 2020-09-25 | 2020-12-25 | 广船国际有限公司 | Manufacturing cost determination method, manufacturing cost determination device, electronic equipment and storage medium |
| CN113148054A (en) * | 2021-04-26 | 2021-07-23 | 中船黄埔文冲船舶有限公司 | Modeling and lofting method of ship air guide sleeve |
| CN114004014A (en) * | 2021-10-19 | 2022-02-01 | 中船重工奥蓝托无锡软件技术有限公司 | Hull curved surface automatic modeling system based on NURBS |
| CN115556898A (en) * | 2022-10-25 | 2023-01-03 | 沪东中华造船(集团)有限公司 | Rapid carrying and linear control method for titanium alloy air guide sleeve for shipbuilding on inclined slipway |
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| CN108765552B (en) * | 2018-05-17 | 2022-05-10 | 中船黄埔文冲船舶有限公司 | Unfolding method of runner transition plate |
| CN108765552A (en) * | 2018-05-17 | 2018-11-06 | 中船黄埔文冲船舶有限公司 | A kind of method of deploying of runner rebound |
| CN109131739A (en) * | 2018-09-30 | 2019-01-04 | 中船黄埔文冲船舶有限公司 | A kind of setting out method of the stern molded line containing runner |
| CN109131739B (en) * | 2018-09-30 | 2020-04-14 | 中船黄埔文冲船舶有限公司 | Lofting method for stern section line with flow channel |
| CN110254620A (en) * | 2019-06-28 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of production method that side pushes away grid |
| CN110254620B (en) * | 2019-06-28 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Manufacturing method of side-push grating |
| CN110884626A (en) * | 2019-11-15 | 2020-03-17 | 沪东中华造船(集团)有限公司 | Design method of integrated mounting base of navigation equipment underwater sensor |
| CN110884626B (en) * | 2019-11-15 | 2021-12-21 | 沪东中华造船(集团)有限公司 | Design method of integrated mounting base of navigation equipment underwater sensor |
| 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 |
| CN111805813A (en) * | 2020-06-12 | 2020-10-23 | 陕西飞机工业（集团）有限公司 | Modeling processing method of high-temperature forming male die |
| CN112132621A (en) * | 2020-09-25 | 2020-12-25 | 广船国际有限公司 | Manufacturing cost determination method, manufacturing cost determination device, electronic equipment and storage medium |
| CN113148054A (en) * | 2021-04-26 | 2021-07-23 | 中船黄埔文冲船舶有限公司 | Modeling and lofting method of ship air guide sleeve |
| CN114004014A (en) * | 2021-10-19 | 2022-02-01 | 中船重工奥蓝托无锡软件技术有限公司 | Hull curved surface automatic modeling system based on NURBS |
| CN115556898A (en) * | 2022-10-25 | 2023-01-03 | 沪东中华造船(集团)有限公司 | Rapid carrying and linear control method for titanium alloy air guide sleeve for shipbuilding on inclined slipway |
| CN115556898B (en) * | 2022-10-25 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Quick carrying and linear control method for titanium alloy guide cover for shipbuilding by inclined slipway |
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Application publication date: 20171027 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: A 3D modeling method for ship fairings Granted publication date: 20230728 License type: Common License Record date: 20231130 |