CN104118531B - The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter - Google Patents
The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter Download PDFInfo
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- CN104118531B CN104118531B CN201410348329.7A CN201410348329A CN104118531B CN 104118531 B CN104118531 B CN 104118531B CN 201410348329 A CN201410348329 A CN 201410348329A CN 104118531 B CN104118531 B CN 104118531B
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Abstract
The invention discloses the not contour fold method of a kind of oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter. The method includes: one, determine forward terminal and the aft terminal of side stringer; Two, above pier at the bottom of grooved transverse bulkhead 100��150 height places determine before break; Fringence before front break makees the second of one 30 �� of inclination angles, before second, fringence is front summit with the intersection point of barnacle; Three, fringence after aft terminal makees one and 45 �� of inclination angles first, the aft terminal of the lower end with the oblique longitudinal wall of top side tank on default barnacle is prognosis summit at a distance of the point of 1.5��2.1 meters, make the second prognosis fringence at one 30 �� of inclination angles through prognosis summit, after first, the intersection point of fringence and the second prognosis fringence is prognosis break; Four, break after setting according to the downward value of prognosis break, and check. The present invention had both solved the design problem of initial and end cargo hold side of a ship frame timber, turn avoid bottom side tank top and there will be narrow space, it also avoid situation bivalve occur.
Description
Technical field
The present invention relates to shipbuilding field, particularly to not contour fold method and the monoshell bulk freighter of a kind of oblique longitudinal bulkhead of monoshell bulk freighter.
Background technology
At present, in the oblique longitudinal wall design of monoshell bulk freighter bottom side tank, owing to initial and tail sections line style is thinner, margin longitudinal in initial and end cargo hold will be folded in ship, then, the intersection point of the oblique longitudinal wall of bottom side tank in initial and end cargo hold and planking, by along with the trend of margin longitudinal, respectively along initial and end both direction, the oblique longitudinal wall of corresponding top side tank is constantly close with the intersection point of Shell Plate. Particularly at after hold, owing to cross section line style is received terrible to tail, double bottom half-breadth becomes more and more less, and it is more that margin longitudinal is rolled in ship, and at aft bulkhead, namely antetheca place in cabin reaches extreme value. Near aft bulkhead, owing to leaning on nearer bottom bottom side tank oblique longitudinal wall top and the oblique longitudinal wall of top side tank, side of a ship frame timber therebetween is difficult to arrange owing to distance is too little; On the other hand, on the oblique longitudinal bulkhead top of bottom side tank, it is possible to too closely define a narrower space with the spacing of Shell Plate, cause that the constructions such as assembling and welding are very difficult. Therefore, at present for the oblique longitudinal bulkhead of bottom side tank in monoshell bulk cargo hold after hold, all take to carry out waiting the flanging being highly not less than 30 �� at certain height and position.
The flanging of the height such as above-mentioned employing, the monoshell bulk freighter very very thin for line type stern is inapplicable. Because if the height flanging such as employing, near after hold aft bulkhead, bottom side tank oblique longitudinal wall upper end is likely to intersect with the oblique longitudinal wall of top side tank, and so, one is to arrange side of a ship frame timber, and two is be likely to become bivalve, and this is that specification is unallowed.
Summary of the invention
The technical problem to be solved in the present invention be in order to overcome prior art etc. height fold method be not suitable for the defect of the linear very very thin monoshell bulk freighter of afterbody, it is provided that the not contour fold method of a kind of oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter.
The present invention solves above-mentioned technical problem by following technical proposals:
First, definition side stringer end points at close captain center in the double bottom of after hold is forward terminal, and the end points away from captain center is aft terminal; Similar to after hold, definition side stringer end points at close captain center in the double bottom of first cargo hold is forward terminal, and the end points away from captain center is aft terminal.
A kind of not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter, it is characterized in that, it comprises the following steps:
Step one, known side stringer forward terminal in the position in captain direction, it is determined that the aft terminal of the side stringer distance from hull longitudinal centre line;
Fringence before the first of the tendency oblique longitudinal wall direction of top side tank at step 2, process this forward terminal work one and horizontal plane angle at 45 ��, fringence after this aft terminal work one is with the first of the tendency oblique longitudinal wall direction of top side tank at horizontal plane angle at 45 ��, judge this before first fringence and this after first fringence whether intersect with the oblique longitudinal wall of top side tank, if there being at least one to intersect, then enter step 3; If completely non-intersect, then judge this before first fringence and this after first the intersection point of fringence and barnacle whether be respectively less than 1.5 meters to the distance of the outside plate of the oblique longitudinal wall of top side tank, if having at least a place less than 1.5 meters, then enter step 3; If being all not less than 1.5 meters, then process ends;
Step 3, above pier at the bottom of grooved transverse bulkhead, 100��150 height places make a horizontal line, this before first fringence be front break with this horizontal intersection point; Fringence before this front break makees the second of a tendency oblique longitudinal wall direction of top side tank becoming 30 �� of angles with horizontal plane, this before second the intersection point of fringence and barnacle be front summit, broken line before this forward terminal and this front break composition first, this front break and broken line before this front summit composition second;
Step 4, at this, to preset the aft terminal of lower end with the oblique longitudinal wall of top side tank after first on this barnacle of fringence correspondence position at a distance of the point of 1.5��2.1 meters be prognosis summit, make one become 30 �� of angles with horizontal plane through this prognosis summit and be inclined to downwards the second prognosis fringence in this aft terminal direction of side stringer, this after first the intersection point of fringence and this second prognosis fringence be prognosis break;
Step 5, set break after at the lower position of this prognosis break;
Step 6, this front break and this rear break constitute a break straight line, by this before second the straight line at broken line place along this break rectilinear translation, make this second front broken line place after translation pass straight through this rear break and the barnacle with the lower section of the rear end of the oblique longitudinal wall of this top side tank intersects, this intersection point is rear summit, whether check this rear summit distance to the aft terminal of the lower end of the oblique longitudinal wall of this top side tank more than 2 meters, if more than, enter step 7; If being not more than, return step 5;
Step 7, determine this rear break and this rear summit, the line segment that this aft terminal and this rear break are constituted is broken line after first, the line segment that this rear break and this rear summit are constituted is broken line after second, then, cross forward and backward break and these four points of forward and backward summit are the formation of a new tapered plane, and the break line segment crossing front break and the formation of rear break is not contour line segment.
It is preferred that in step 3, above pier at the bottom of grooved transverse bulkhead, 100 height places make a horizontal line.
It is preferred that in step 4, the aft terminal of the lower end with the oblique longitudinal wall of top side tank on this barnacle default is prognosis summit at a distance of the point of 2.0 meters.
A kind of monoshell bulk freighter, it is characterized in that, the not contour oblique longitudinal bulkhead that it not contour fold method including have employed the oblique longitudinal bulkhead of monoshell bulk freighter as above carries out flanging and obtains.
In the present invention, above-mentioned optimum condition meet on the basis of this area general knowledge can combination in any, obtain each preferred embodiment of the present invention.
The actively progressive effect of the present invention is in that: the not contour fold method of this oblique longitudinal bulkhead of monoshell bulk freighter of the present invention is particularly well-suited in the initial and end cargo hold of the initial and end line style of boats and ships monoshell bulk freighter very thin especially the design of the oblique longitudinal bulkhead of bottom side tank, both the design problem of initial and end cargo hold side of a ship frame timber had been solved, turn avoid bottom side tank top and there will be narrow space, it also avoid the situation that bivalve occurs.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a preferred embodiment of the present invention.
Fig. 2 is the structural upright schematic diagram of the after hold of a preferred embodiment of the present invention.
Detailed description of the invention
Enumerate preferred embodiment below, and become apparent from intactly illustrating the present invention in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 2, the not contour fold method of a kind of oblique longitudinal bulkhead of monoshell bulk freighter, it comprises the following steps:
Step 100, known side stringer forward terminal A in the position in captain direction, it is determined that the aft terminal B of the side stringer distance from hull longitudinal centre line;
Fringence before the first of the tendency oblique longitudinal wall direction of top side tank that angle is �� of step 201, process this forward terminal A work one and horizontal plane, angle �� is 45 ��, fringence after the first of the tendency oblique longitudinal wall direction of top side tank that angle is �� of this aft terminal B work one with horizontal plane, angle �� is 45 ��, judge this before first fringence and this after first fringence whether intersect with the oblique longitudinal wall of top side tank, if there being at least one to intersect, then enter step 300; If completely non-intersect, then enter step 202;
Step 202, judge this before first fringence and this intersection point of fringence and barnacle is to whether the distance of the outside plate of the oblique longitudinal wall of top side tank is respectively less than 1.5 meters after first, if having at least a place less than 1.5 meters, then entrance step 300; If being all not less than 1.5 meters, then process ends;
Step 300, above pier at the bottom of grooved transverse bulkhead, 100 height places make a horizontal line, this before first fringence be front break C with this horizontal intersection point; Fringence before the second of the tendency oblique longitudinal wall direction of top side tank that angle is �� of this front break C work one with horizontal plane, angle �� is 30 ��, this before second the intersection point of fringence and barnacle be front summit E, broken line 1 before this forward terminal A and this front break C composition first, broken line 2 before this front break C and this front summit E composition second;
Step 400, through this fringence after first, the aft terminal of the lower end 5 with the oblique longitudinal wall of top side tank on this barnacle default is prognosis summit at a distance of the point of 2.0 meters, making one through this prognosis summit with the angle of horizontal plane is �� and downward the second prognosis fringence being inclined to this side stringer aft terminal B direction, angle �� is 30 ��, this after first the intersection point of fringence and this second prognosis fringence be prognosis break;
Step 500, set break D after at the lower position of this prognosis break;
Step 600, this front break C and this rear break D constitute a break straight line, by this before second the straight line at broken line 2 place along this break rectilinear translation, make this second front broken line 2 place after translation pass straight through rear break D and the barnacle with the lower section of the rear end of the oblique longitudinal wall of this top side tank intersects, this intersection point is rear summit F, whether check this rear summit F distance to the aft terminal of the lower end 5 of the oblique longitudinal wall of this top side tank more than 2 meters, if more than, enter step 700;If being not more than, return step 500;
Step 700, determining that this rear break D and this rear summit F, this aft terminal B and this rear break D line segment constituted are broken line 3 after first, the line segment that this rear break D and this rear summit F is constituted is broken line 4 after second.
It should be noted that in step 300, it is also possible to it is that the arbitrary At The Height in 100 millimeters��150 millimeters makes a horizontal line above pier at the bottom of grooved transverse bulkhead.
Also, it should be noted in step 400, the aft terminal following the example of the lower end 5 with the oblique longitudinal wall of top side tank that can also be such that on this barnacle default of prognosis summit F any point in 1.5 meters��2.1 meters is prognosis summit F.
This first front broken line 1, this end points line segment that broken line 3, this forward terminal A and this aft terminal B are constituted after first and the defined first bias plane of break line segment that this front break C and this rear break D is constituted; This second front broken line 2, this end points line segment that broken line 4, this front summit E and this rear summit F are constituted after second and the defined second bias plane of break line segment that this front break C and this rear break D is constituted; This first inclined broken surface and this second inclined broken surface constitute the oblique longitudinal wall of cargo hold; The line segment crossing front break C and rear break D is not contour line segment.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these are merely illustrative of, protection scope of the present invention is defined by the appended claims. Those skilled in the art is under the premise without departing substantially from principles of the invention and essence, it is possible to these embodiments are made various changes or modifications, but these change and amendment each falls within protection scope of the present invention.
Claims (3)
1. the not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter, it is characterised in that it comprises the following steps:
Step one, known side stringer forward terminal in the position in captain direction, it is determined that the aft terminal B of the side stringer distance from hull longitudinal centre line;
Fringence before the first of the tendency oblique longitudinal wall direction of top side tank at step 2, process this forward terminal work one and horizontal plane angle at 45 ��, fringence after this aft terminal B work one is with the first of the tendency oblique longitudinal wall direction of top side tank at horizontal plane angle at 45 ��, judge this before first fringence and this after first fringence whether intersect with the oblique longitudinal wall of top side tank, if there being at least one to intersect, then enter step 3; If completely non-intersect, then judge this before first fringence and this after first the intersection point of fringence and barnacle whether be respectively less than 1.5 meters to the distance of the outside plate of the oblique longitudinal wall of top side tank, if having at least a place less than 1.5 meters, then enter step 3; If being all not less than 1.5 meters, then process ends;
Step 3, above pier at the bottom of grooved transverse bulkhead, 100��150 height places make a horizontal line, this before first fringence be front break with this horizontal intersection point; Fringence before this front break makees the second of a tendency oblique longitudinal wall direction of top side tank becoming 30 �� of angles with horizontal plane, this before second the intersection point of fringence and barnacle be front summit, broken line before this forward terminal and this front break composition first, this front break and broken line before this front summit composition second;
Step 4, at this, to preset the aft terminal of lower end with the oblique longitudinal wall of top side tank after first on this barnacle of fringence correspondence position at a distance of the point of 1.5��2.1 meters be prognosis summit, make one become 30 �� of angles with horizontal plane through this prognosis summit and be inclined to downwards the second prognosis fringence in this aft terminal direction of side stringer, this after first the intersection point of fringence and this second prognosis fringence be prognosis break;
Step 5, set break after at the lower position of this prognosis break;
Step 6, this front break and this rear break constitute a break straight line, by this before second the straight line at broken line place along this break rectilinear translation, make this second front broken line place after translation pass straight through this rear break and the barnacle with the lower section of the rear end of the oblique longitudinal wall of this top side tank intersects, this intersection point is rear summit, whether check this rear summit distance to the aft terminal of the lower end of the oblique longitudinal wall of this top side tank more than 2 meters, if more than, enter step 7; If being not more than, return step 5;
Step 7, determining this rear break and this rear summit, the line segment that this aft terminal and this rear break are constituted is broken line after first, and the line segment that this rear break and this rear summit are constituted is broken line after second.
2. the not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter as claimed in claim 1, it is characterised in that in step 3,100 height places make a horizontal line above pier at the bottom of grooved transverse bulkhead.
3. the not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter as claimed in claim 1, it is characterised in that the aft terminal of the lower end with the oblique longitudinal wall of top side tank on step 4, this barnacle default is prognosis summit at a distance of the point of 2.0 meters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348329.7A CN104118531B (en) | 2014-07-21 | 2014-07-21 | The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348329.7A CN104118531B (en) | 2014-07-21 | 2014-07-21 | The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter |
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| Publication Number | Publication Date |
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| CN104118531A CN104118531A (en) | 2014-10-29 |
| CN104118531B true CN104118531B (en) | 2016-06-08 |
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| CN201410348329.7A Expired - Fee Related CN104118531B (en) | 2014-07-21 | 2014-07-21 | The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter |
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| CN110877694B (en) * | 2019-11-15 | 2021-09-21 | 沪东中华造船(集团)有限公司 | Shipboard subsection belt bending angle position and trough-type bulkhead subsection butt joint assembly method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657101A (en) * | 2004-02-19 | 2005-08-24 | 中国人民解放军军事医学科学院放射医学研究所 | Application of liver cells growth factor gene modified myeloid interstitial dry cell in treating mgocardial ischemia |
| KR20090083995A (en) * | 2008-01-31 | 2009-08-05 | 현대중공업 주식회사 | Side shell block assemble method of membrane lng by longitudinal bulkhead knuckle |
| CN102556290A (en) * | 2011-12-26 | 2012-07-11 | 上海船舶研究设计院 | Self-unloading cement ship capable of reducing unloading residual quantity |
| CN103661794A (en) * | 2013-11-29 | 2014-03-26 | 大连船舶重工集团有限公司 | Ship with equant oblique double-layer bottoms |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09301266A (en) * | 1996-05-08 | 1997-11-25 | Nkk Corp | Hull structure for bulk carrier |
| JP5438180B2 (en) * | 2012-08-01 | 2014-03-12 | 株式会社新来島どっく | Hatch side combing structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657101A (en) * | 2004-02-19 | 2005-08-24 | 中国人民解放军军事医学科学院放射医学研究所 | Application of liver cells growth factor gene modified myeloid interstitial dry cell in treating mgocardial ischemia |
| KR20090083995A (en) * | 2008-01-31 | 2009-08-05 | 현대중공업 주식회사 | Side shell block assemble method of membrane lng by longitudinal bulkhead knuckle |
| CN102556290A (en) * | 2011-12-26 | 2012-07-11 | 上海船舶研究设计院 | Self-unloading cement ship capable of reducing unloading residual quantity |
| CN103661794A (en) * | 2013-11-29 | 2014-03-26 | 大连船舶重工集团有限公司 | Ship with equant oblique double-layer bottoms |
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