CN108573118A - A kind of ship water-jet propulsion flow-passage setting out method - Google Patents
A kind of ship water-jet propulsion flow-passage setting out method Download PDFInfo
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- CN108573118A CN108573118A CN201810477440.4A CN201810477440A CN108573118A CN 108573118 A CN108573118 A CN 108573118A CN 201810477440 A CN201810477440 A CN 201810477440A CN 108573118 A CN108573118 A CN 108573118A
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention discloses a kind of ship water-jet propulsion flow-passage setting out method comprising following steps：One, runner march face is modeled in Three-dimensional Design Software；Two, section cut processing is carried out to runner model by Three-dimensional Design Software；Three, the runner model after cutting is shown in CAD software with different viewports, respectively obtains the space projection curve view that runner model is projected out in different angle；Four, schemed by whole drop shadow curves that step 3 obtains, according to the drawing practice of the curves of form, the three of drafting runner model regard molded lines in CAD software；Five, it three is imported into step 4 obtains in ship production design software depending on molded lines and carries out 3D fairing and hatching line encryption；Six, it is opened in CAD software according to the runner-type line figure obtained in step 5, to arranging plate stitch at the space line of runner line type figure.The present invention improves oxygen evolution rate and efficiency, and realizes the runner setting out method that do not kept in check by upstream design unit molded lines.
Description
Technical field
The present invention relates to a kind of ship water-jet propulsion flow-passage setting out method.
Background technology
In ship domain, hydro-jet propulsion system often applies to all kinds of high-speed ships, on special boat, and runner is hydraulic jet propulsion
The important component of system.It is sprue curved usually to have the characteristics that line style is complicated, required precision is high, the smoothness of lines of runner
Directly affect the propulsive efficiency of equipment installation and hydraulic propeller；The plate stitch connection and reasonable arrangement of sprue curved plate, directly concerning stream
The accuracy of road curvature panel expansion and the difficulty of Machining of Curved Surface.
Traditional mold lofting technique is by two dimensional surface, i.e. mould loft floor realizes that exist need place usable floor area
Ask the problems such as big, personnel's input is more, oxygen evolution rate is low, and setting-out must rely on the molded lines of upstream design unit offer into
Row can also cause prodigious puzzlement to setting-out work as molded line expression is not accurate enough, become and restrict shipyard setting-out and processing technology
The bottleneck further increased.
Invention content
The object of the present invention is to provide a kind of ship water-jet propulsion flow-passage setting out method, improve oxygen evolution rate and efficiency, and
The runner setting out method that do not kept in check by upstream design unit molded lines.
To achieve the above object, a kind of ship water-jet propulsion flow-passage setting out method provided by the present invention comprising following
Step：Step 1: being modeled to runner march face in Three-dimensional Design Software, the threedimensional model of runner is obtained；Step 2: passing through three
It ties up design software and section cut processing is carried out to runner model, three groups of cutting curves are obtained by cutting；Step 3: by step 2
The runner model after middle cutting is shown in CAD software with different viewports, respectively obtains the runner model in difference
The space projection curve view that Angles Projections go out；Step 4: being schemed by whole drop shadow curves that step 3 obtains, according to shiplines
The drawing practice of figure, three that the runner model is drawn in CAD software regard molded lines；Step 5: the institute that step 4 is obtained
It states three and imported into progress 3D fairing and hatching line encryption in ship production design software depending on molded lines, after finally obtaining fairing
Runner-type line figure；Step 6: being opened in CAD software according to the runner-type line figure obtained in step 5, to the stream
Plate stitch is arranged at the space line of road line illustration, by being postponed with plate stitch cloth, you can runner is divided into deployable, machinable song
Panel piece.
In above-mentioned ship water-jet propulsion flow-passage setting out method, in the step 2, the cutting curve negotiating is to described
Respectively by longitudinally, laterally and horizontal direction sets up three reference planes, opposite three reference planes at a certain distance, carry out runner model
Cutting and the cutting curve formed.
In above-mentioned ship water-jet propulsion flow-passage setting out method, in the step 3, the space projection curve view packet
The runner model is included longitudinally, laterally and the drop shadow curve's view and axonometric drawing of horizontal direction.
In above-mentioned ship water-jet propulsion flow-passage setting out method, in the step 6, to the curved surface with Double curve degree, along it
In a curvature direction splice seam decomposed.
A kind of ship water-jet propulsion flow-passage setting out method that above-mentioned technical proposal is provided has compared with prior art
Beneficial effect includes：By the way that runner is modeled in Three-dimensional Design Software, then by cutting function to longitudinally, laterally and horizontal
Direction carries out cutting and acquires three groups of cutting curves, and three groups of spaces are obtained by being shown with different viewports in CAD software
The drop shadow curve of line draws runner three according to the drawing practice of the curves of form according to the curve of acquisition and regards molded lines, to molded lines
3D fairing is carried out, runner plate stitch is arranged on the molded lines after fairing, runner is divided into one piece of block plane is deployable, can add
The curved panel piece of work, it is easy to process, place is saved, improves oxygen evolution rate and efficiency, and not by upstream design unit molded lines
The runner setting out method kept in check.
Description of the drawings
Fig. 1 is one of the cutting curve graph of ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 2 is the two of the cutting curve graph of the ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 3 is the three of the cutting curve graph of the ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 4 is one of the space projection curve view of ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 5 is the two of the space projection curve view of the ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 6 is the three of the space projection curve view of the ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 7 is the four of the space projection curve view of the ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 8 is one of the runner line illustration of ship water-jet propulsion flow-passage setting out method of the present invention；
Fig. 9 is the two of the runner line illustration of the ship water-jet propulsion flow-passage setting out method of the present invention；
Figure 10 is the three of the runner line illustration of the ship water-jet propulsion flow-passage setting out method of the present invention；
Figure 11 is one of the plate stitch layout drawing of ship water-jet propulsion flow-passage setting out method of the present invention；
Figure 12 is the two of the plate stitch layout drawing of the ship water-jet propulsion flow-passage setting out method of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of ship water-jet propulsion flow-passage setting out method provided by the present invention comprising following steps：Step 1: three
It ties up design software to model runner march face, obtains the threedimensional model of runner；Step 2: refering to attached drawing 1-3, set by three-dimensional
It counts software and section cut processing is carried out to runner model, three groups of cutting curves are obtained by cutting；Step 3: refering to attached drawing 4-7,
The runner model after cutting in step 2 is shown in CAD software with different viewports, the runner mould is respectively obtained
The space projection curve view that type is projected out in different angle；Step 4, refering to attached drawing 8-10, the whole throwings obtained by step 3
Shadow curve graph, according to the drawing practice of the curves of form, drawn in CAD software the runner model three regard molded lines；Step
Rapid five, it described three imported into step 4 obtains in ship production design software depending on molded lines and to carry out 3D fairing and hatching line and add
Close processing finally obtains the runner-type line figure after fairing；Step 6: refering to attached drawing 11-12, according to being obtained in step 5
Runner-type line figure is opened in CAD software, to arranging plate stitch at the space line of the runner line illustration, by being arranged with plate stitch
Afterwards, you can runner is divided into deployable, machinable curved panel piece.
Based on above-mentioned technical characteristic, by modeling runner in Three-dimensional Design Software, then pass through cutting function pair
Longitudinally, laterally and horizontal direction carries out cutting and acquires three groups of cutting curves, by aobvious with different viewports in CAD software
Show to obtain the drop shadow curve of three groups of space lines, drawing runner three according to the drawing practice of the curves of form according to the curve of acquisition regards type
Line chart carries out 3D fairing to molded lines, arranges runner plate stitch on the molded lines after fairing, runner is divided into one piece of block and is put down
Face is deployable, machinable curved panel piece, easy to process, saves place, improves oxygen evolution rate and efficiency, and do not set by upstream
The runner setting out method that meter unit molded lines is kept in check.
In the step 2, the cutting curve negotiating presses longitudinally, laterally and level side the runner model respectively
To setting up three reference planes, opposite three reference planes at a certain distance, carry out cutting and the cutting curve that is formed, by setting
The cutting curve for setting the acquisition of three reference planes is handled convenient for the software in later stage.
In the step 3, the space projection curve view includes the runner model longitudinally, laterally and horizontal
Drop shadow curve's view and axonometric drawing in direction, by the way that several described front views and axonometric drawing is arranged, convenient for being made in step 4
Go out the three-view diagram model.
In the step 6, to the curved surface with Double curve degree, is decomposed, subtracted along one of curvature direction splice seam
The difficulty of processing of few Double curve degree plate.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace and also answer
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of ship water-jet propulsion flow-passage setting out method, which is characterized in that it includes the following steps：
Step 1: being modeled to runner march face in Three-dimensional Design Software, the threedimensional model of runner is obtained；
Step 2: carrying out section cut processing to runner model by Three-dimensional Design Software, it is bent to obtain three groups of cuttings by cutting
Line；
Step 3: the runner model after cutting in step 2 is shown in CAD software with different viewports, respectively obtain
The space projection curve view that the runner model is projected out in different angle；
Step 4: being schemed by whole drop shadow curves that step 3 obtains, according to the drawing practice of the curves of form, in CAD software
Draw the runner model three regard molded lines；
Step 5: by step 4 obtain described three depending on molded lines imported into ship production design software carry out 3D fairing and
Hatching line encryption finally obtains the runner-type line figure after fairing；
Step 6: being opened in CAD software according to the runner-type line figure obtained in step 5, to the runner line illustration
Plate stitch is arranged at space line, by being postponed with plate stitch cloth, you can runner is divided into deployable, machinable curved panel piece.
2. ship water-jet propulsion flow-passage setting out method as described in claim 1, which is characterized in that in the step 2, institute
Cutting curve negotiating is stated to the runner model respectively by longitudinally, laterally and horizontal direction sets up three reference planes, it is three opposite
Reference plane at a certain distance, carries out cutting and the cutting curve that is formed.
3. ship water-jet propulsion flow-passage setting out method as described in claim 1, which is characterized in that in the step 3, institute
It includes the runner model longitudinally, laterally and drop shadow curve's view of horizontal direction is surveyed with axis to state space projection curve view
Figure.
4. ship water-jet propulsion flow-passage setting out method as described in claim 1, which is characterized in that right in the step 6
Curved surface with Double curve degree is decomposed along one of curvature direction splice seam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810477440.4A CN108573118A (en) | 2018-05-18 | 2018-05-18 | A kind of ship water-jet propulsion flow-passage setting out method |
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| CN201810477440.4A CN108573118A (en) | 2018-05-18 | 2018-05-18 | A kind of ship water-jet propulsion flow-passage setting out method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109263798A (en) * | 2018-10-25 | 2019-01-25 | 中船黄埔文冲船舶有限公司 | A kind of sternpost asymmetric ship shiplofting method |
| CN110481703A (en) * | 2019-08-29 | 2019-11-22 | 广州黄船海洋工程有限公司 | A kind of production method of deflector peculiar to vessel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109263798A (en) * | 2018-10-25 | 2019-01-25 | 中船黄埔文冲船舶有限公司 | A kind of sternpost asymmetric ship shiplofting method |
| CN109263798B (en) * | 2018-10-25 | 2020-07-03 | 中船黄埔文冲船舶有限公司 | Method for lofting hull line of stern column asymmetric ship |
| CN110481703A (en) * | 2019-08-29 | 2019-11-22 | 广州黄船海洋工程有限公司 | A kind of production method of deflector peculiar to vessel |
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Application publication date: 20180925 |