CN104691702B - The method of deploying of bulbous bow contour line - Google Patents
The method of deploying of bulbous bow contour line Download PDFInfo
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- CN104691702B CN104691702B CN201310666858.7A CN201310666858A CN104691702B CN 104691702 B CN104691702 B CN 104691702B CN 201310666858 A CN201310666858 A CN 201310666858A CN 104691702 B CN104691702 B CN 104691702B
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- ball nose
- launches
- contour line
- point
- bow
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Abstract
The present invention provides the method for deploying of a kind of bulbous bow contour line, and it specifically includes following steps: S1, the distance away from baseline of each point on the central fore-and-aft vertical plane figure of bulbous bow is signed on shell expansion plan successively, and ball nose launches horizontal curvature by shell plate development mode, longitudinal curvature is not launched, and on smooth connection shell expansion plan, each point forms the outer contour that ball nose launches；S2, determine the ball nose flex point with adjacent outside plate, this flex point be the top of ball nose a bit；S3, the bow contour line of more than shell expansion plan flex point outside plate be as the criterion with contour line more than bow contour line flex point in central fore-and-aft vertical plane figure, according still further to only launching horizontal curvature, the principle that longitudinal curvature is not launched launches remaining outer panel section.The invention enables ball nose correctly to launch with adjacent outer panel structure, react the shapes and sizes of outside plate, the beneficially determination of outside plate specification strictly according to the facts, instruct the typesetting of later stage outside plate, setting-out, jacking and processing simultaneously.
Description
Technical field
The present invention relates to the method for deploying of a kind of bulbous bow contour line.
Background technology
According to " Ship Graphing " that November nineteen ninety-five, Harbin Engineering University published, in the 6th galley in its March in 2005
This page 134 upper content about drafting head and the tail contour line described: owing to shell expansion plan does not longitudinally launch, only launch horizontal
Curvature, the head and the tail contour shape in shell expansion plan is identical with the head and the tail contour shape in molded lines, can be according in molded lines
The size provided draws.But being as the development of Ship Design, existing most of ship types the most all contain Bulb bows or stern nose (pushes away
Enter device propeller boss), such outside plate, when launching head and the tail contour line, can not launch the reality of ball nose faithfully according to existing method of deploying
Shape, the most also cannot the outside plate typesetting in accurate instruction later stage, setting-out, jacking, processing.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the conventional method of deploying of prior art can not exhibition strictly according to the facts
Kick off nose true form, can not the defect such as the outside plate typesetting of accurate instruction later stage, setting-out, jacking and processing, it is provided that Yi Zhongqiu
The method of deploying of snout nose contour line.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of method of deploying of bulbous bow contour line, its feature is, it specifically includes following steps:
S1, the distance away from baseline of each point on the central fore-and-aft vertical plane figure of bulbous bow is signed on shell expansion plan successively,
And ball nose launches horizontal curvature by shell plate development mode, longitudinal curvature is not launched, and on smooth connection shell expansion plan, each point is formed
The outer contour that ball nose launches；
S2, determine the ball nose flex point with adjacent outside plate, this flex point be the top of ball nose a bit；
S3, more than shell expansion plan flex point outside plate bow contour line with bow contour line flex point in central fore-and-aft vertical plane figure with
On contour line be as the criterion, according still further to only launching horizontal curvature, the principle that longitudinal curvature is not launched launches remaining outer panel section.
In this programme, use above-mentioned method of deploying, it is possible to make the correct expansion of ball nose and adjacent outer panel structure, strictly according to the facts
Reaction outside plate shapes and sizes, the beneficially determination of outside plate specification, instruct simultaneously the typesetting of later stage outside plate, setting-out, jacking and
Processing.
It is also preferred that the left step S1Specifically include following steps:
S11, the distance of frame plan midline each rib distance of positions baseline of bulbous bow signed in successively the outside plate of correspondence
In expanded view, each point that then smooth connection launches in shell expansion plan forms the lower whorl profile that ball nose launches；
S12, the principle of not launching only to launch horizontal curvature according to longitudinal curvature launch bulbous bow, each rib position is opened up successively
Open and sign in shell expansion plan, each point that smooth connection launches in shell expansion plan thus form the upper profile that ball nose launches
Line；
S13, upper contour line and bottom profiled line smoothing connect, form complete ball nose and launch outer contour.
On the basis of meeting common sense in the field, above-mentioned each optimum condition, can combination in any, obtain each preferable reality of the present invention
Example.
The most progressive effect of the present invention is:
The method of deploying of bulbous bow contour line of the present invention makes the correct expansion of ball nose and adjacent outer panel structure, strictly according to the facts
Reaction outside plate shapes and sizes, the beneficially determination of outside plate specification, instruct simultaneously the typesetting of later stage outside plate, setting-out, jacking and
Processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of bulbous bow of the present invention.
Fig. 2 is the central fore-and-aft vertical plane structural representation of the bulbous bow of present pre-ferred embodiments.
Fig. 3 is the frame line structural representation of the bulbous bow of present pre-ferred embodiments.
Fig. 4 is the shell plate development structural representation of the bulbous bow of present pre-ferred embodiments.
Description of reference numerals:
Deck: 1 bow contour line: 2 baselines: 3
Center line: 4 first camber lines: 5 second camber lines: 6
3rd camber line: 7 bow contour line terminals: 8 ball nose terminals: 9
Ball nose starting point: 10 first camber line terminals: 11 first camber line starting points: 12
Second camber line terminal: 13 second camber line starting points: 14 the 3rd camber line terminals: 15
3rd camber line flex point: 16 the 3rd camber line starting points: 17
Deck evolute: 1 ' bow expanding wheel profile: 2 '
Bow contour line expansion terminal: 8 ' ball noses expansion terminals: 9 '
Ball nose expansion starting point: 10 ' first camber lines expansion terminals: 11 '
First camber line expansion starting point: 12 ' second camber lines expansion terminals: 13 '
Second camber line expansion starting point: 14 ' the 3rd camber lines expansion terminals: 15 '
3rd camber line expansion flex point: 16 ' the 3rd camber lines expansion starting points: 17 '
Detailed description of the invention
Name preferred embodiment, and combine accompanying drawing and become apparent from intactly illustrating the present invention.
As shown in figures 1-4, the method for deploying of bulbous bow contour line of the present invention specifically can be divided into the following steps.
Step 100, by the distance away from baseline 3 of each point on the central fore-and-aft vertical plane figure (as shown in Figure 3) of bulbous bow successively
Signing on shell expansion plan (as shown in Figure 4), and ball nose launches horizontal curvature by shell plate development mode, longitudinal curvature is not launched,
On smooth connection shell expansion plan, each point forms the outer contour that ball nose launches.
Step 101, determines the flex point (i.e. ball nose terminal 9) of ball nose and adjacent outside plate, and this flex point is the top of ball nose
A bit.
In the present invention, shell expansion plan (as shown in Figure 4) premier exhibition of going on board is opened the flex point of contour line 2 ' (i.e. ball nose is launched eventually
Point 9 ') and the go on board flex point (i.e. ball nose terminal 9) of first run profile 2 of central fore-and-aft vertical plane figure (as shown in Figure 2) be same point, Qian Zheshi
Position after expansion, the latter be launch before position on real ship, flex point is the separation of ball nose and remaining outer panel structure.
Step 102, the bow contour line of outside plate more than shell expansion plan flex point is with bow contour line in central fore-and-aft vertical plane figure
Contour line more than flex point is as the criterion, and according still further to only launching horizontal curvature, the principle that longitudinal curvature is not launched launches remaining outside plate portion
Point.
In the present invention, above-mentioned method of deploying is used, it is possible to ball nose is correctly launched with adjacent outer panel structure, the most instead
Answer the shapes and sizes of outside plate, the beneficially determination of outside plate specification, instruct the typesetting of later stage outside plate, setting-out, jacking simultaneously and add
Work.
Preferably, step 100 specifically includes following steps:
Step 1000, it is right the distance of rib distance of positions baseline each at the frame plan center line 4 of bulbous bow to be signed in successively
On the shell expansion plan answered, each point that then smooth connection launches in shell expansion plan forms the lower whorl profile that ball nose launches.
Step 1001, the principle not launching only to launch horizontal curvature according to longitudinal curvature launches bulbous bow, each rib position
Launch successively to sign in shell expansion plan, each point that smooth connection launches in shell expansion plan thus form the upper of ball nose expansion
Contour line.
Step 1002, upper contour line and bottom profiled line smoothing connect, and form complete ball nose and launch outer contour.
Below with No. 10 rib positions (#10) in central fore-and-aft vertical plane figure (as shown in Figure 2) and frame plan (as shown in Figure 3) and
Ball nose-shaped ship of the present invention is described as a example by No. 15 rib position (#15) lines, each point obtains each point in shell expansion plan (as shown in Figure 4)
The method of deploying of first run profile.
First, obtain the first camber line according to the distance of the first camber line starting point 12 on Fig. 3 to baseline 3 and launch starting point 12 ', with the
It has been strokes and dots vertical segment that one camber line launches starting point 12 ', and the length of this vertical segment is equal to arc length L of the first camber line 51, obtain
The terminal of this vertical segment that is first camber line launches terminal 11 ' (corresponding with the first camber line terminal 11 in Fig. 2).
Equally, obtain the 3rd camber line according to the distance of the 3rd camber line starting point 17 on Fig. 3 to baseline 3 and launch starting point 17 ', with the
It has been strokes and dots vertical segment that three camber lines launch starting point 17 ', and the length of this vertical segment is equal to arc length L of the 3rd camber line 73, obtain
The terminal of this vertical segment that is the 3rd camber line launches terminal 15 ' (corresponding with the 3rd camber line terminal 15 in Fig. 2), actual mechanical process
In other similitude drafting methods identical.Arc length according to the 3rd camber line flex point 16 to the 3rd camber line starting point 17 is equal to the 3rd camber line
Launching flex point 16 ' and launch the distance vertically of starting point 17 ' to the 3rd camber line, the 3rd camber line flex point 16 is to the 3rd camber line eventually
Point 15 arc length equal to the 3rd camber line launch flex point 16 ' to the 3rd camber line launch terminal 15 ' distance vertically, two
Distance is added arc length L i.e. obtaining the 3rd camber line 73, obtain the 3rd camber line in Fig. 4 and launch the position of flex point 16 '.
Smooth connection ball nose launches starting point 10 ' (corresponding with the ball nose starting point 10 in Fig. 2), the 3rd camber line launches starting point 17 '
And first camber line launch each point between starting point 12 ', form the lower whorl profile that ball nose launches；Smooth connection the first camber line launches terminal
11 ' and the 3rd camber line launch each point between flex point 16 ', form the upper contour line that ball nose launches.Upper contour line and lower whorl profile
Smooth connection, forms the outer contour that complete ball nose launches.
Wherein, the 3rd camber line launches the end points that flex point 16 ' is upper contour line, is also ball nose flex point, and the 3rd camber line launches
Flex point 16 ' (ball nose launches terminal 9 ') launches the straight line of terminal 8 ' by ball nose terminal 9 to bow contour line eventually to bow contour line
Straight line between point 8 directly replicates gained.
The extended line of No. 15 rib position (#15) lines and the 3rd camber line launch flex point 16 ' to bow contour line launch terminal 8 ' it
Between the intersection point of contour line be that the second camber line launches starting point 14 ' (corresponding with the second camber line starting point 14 in Fig. 2), with the second camber line
Launching starting point 14 ' has been strokes and dots vertical segment, and the length of this vertical segment is equal to arc length L of the second camber line 62, obtain this vertical
The terminal of line segment that is second camber line launches terminal 13 ' (corresponding with the second camber line terminal 13 in Fig. 2), smooth connection the 3rd camber line
Launch terminal 15 ', the second camber line launches terminal 13 ' and ball nose launches each point between terminal 8 ', obtains the deck at deck 1 and launches
Line 1 '.Accordingly, each rib position is launched respectively, obtains bulbous bow contour line completely.
Although the foregoing describing the detailed description of the invention of the present invention, it will be appreciated by those of skill in the art that this is only
Being to illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle of the present invention and essence, these embodiments can be made various changes or modifications, but these changes and
Amendment each falls within protection scope of the present invention.
Claims (1)
1. the method for deploying of a bulbous bow contour line, it is characterised in that it specifically includes following steps:
S1, the distance away from baseline of each point on the central fore-and-aft vertical plane figure of bulbous bow is signed on shell expansion plan successively, and ball nose
Launching horizontal curvature by shell plate development mode, longitudinal curvature is not launched, and on smooth connection shell expansion plan, each point forms ball nose exhibition
The outer contour opened；
S2, determine the ball nose flex point with adjacent outside plate, this flex point be the top of ball nose a bit；
S3, more than shell expansion plan flex point outside plate bow contour line with bow contour line flex point in central fore-and-aft vertical plane figure more than
Contour line is as the criterion, and according still further to only launching horizontal curvature, the principle that longitudinal curvature is not launched launches remaining outer panel section；
Wherein, step S1Specifically include following steps:
S11, the distance of frame plan midline each rib distance of positions baseline of bulbous bow signed in successively the shell plate development of correspondence
On figure, each point that then smooth connection launches in shell expansion plan forms the lower whorl profile that ball nose launches；
S12, the principle of not launching only to launch horizontal curvature according to longitudinal curvature launch bulbous bow, each rib position launches picture successively
In shell expansion plan, each point that smooth connection launches in shell expansion plan thus form the upper contour line that ball nose launches；
S13, upper contour line and bottom profiled line smoothing connect, form complete ball nose and launch outer contour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310666858.7A CN104691702B (en) | 2013-12-10 | 2013-12-10 | The method of deploying of bulbous bow contour line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310666858.7A CN104691702B (en) | 2013-12-10 | 2013-12-10 | The method of deploying of bulbous bow contour line |
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| Publication Number | Publication Date |
|---|---|
| CN104691702A CN104691702A (en) | 2015-06-10 |
| CN104691702B true CN104691702B (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310666858.7A Expired - Fee Related CN104691702B (en) | 2013-12-10 | 2013-12-10 | The method of deploying of bulbous bow contour line |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3150123B1 (en) * | 2015-09-29 | 2018-08-29 | Koninklijke Philips N.V. | Improved visualization of projection x-ray image |
| CN105836050B (en) * | 2016-05-18 | 2017-11-24 | 中船黄埔文冲船舶有限公司 | A kind of first column type line smoothing method |
| CN108674577B (en) * | 2018-05-18 | 2020-02-11 | 中船黄埔文冲船舶有限公司 | Lofting method of retractable fin stabilizer outer plate |
| CN112278189B (en) * | 2020-11-02 | 2022-09-02 | 中船黄埔文冲船舶有限公司 | Lofting and unfolding method of irregular bulwark outer plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003079238A1 (en) * | 2002-03-19 | 2003-09-25 | The Cooperative Association Of Japan Shipbuilders | Shell plating developing method, shell plating manufacturing method, computer program for teaching the methods, and image recording medium for teaching the methods |
-
2013
- 2013-12-10 CN CN201310666858.7A patent/CN104691702B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003079238A1 (en) * | 2002-03-19 | 2003-09-25 | The Cooperative Association Of Japan Shipbuilders | Shell plating developing method, shell plating manufacturing method, computer program for teaching the methods, and image recording medium for teaching the methods |
Non-Patent Citations (1)
| Title |
|---|
| "外板展开图程序";蔡云南 等;《船舶》;20001231;58-61 * |
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| CN104691702A (en) | 2015-06-10 |
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