CN104029787A - Stem of cargo ship - Google Patents
Stem of cargo ship Download PDFInfo
- Publication number
- CN104029787A CN104029787A CN201410264897.9A CN201410264897A CN104029787A CN 104029787 A CN104029787 A CN 104029787A CN 201410264897 A CN201410264897 A CN 201410264897A CN 104029787 A CN104029787 A CN 104029787A
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- China
- Prior art keywords
- stem
- plate
- deck
- board
- proclined
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Abstract
The invention discloses a stem of a cargo ship. The stem comprises a stem board, a stem deck, an upper deck, a middle inner keel, a plurality of solid floors and a lower deck, wherein the middle inner keel, side longitudinal girder and the solid floor are mounted in the stem board. The stem is characterized in that the upper part of the stem board is connected with the stem deck, the lower part of the stem board is connected with the lower deck, the middle inner keel penetrates through an inner side board of the stem board, the solid floors are horizontally arranged on the middle inner keel, the stem board adopts a forwards inclined type structure, and the stem board with the forwards inclined type structure is in a streamline type parabola or arc structure in the vertical direction; the cross section of the stem board with the forwards inclined type structure is formed in streamline type R shapes with different sizes from top to bottom, and the R shapes are in outwards protruded structures. The stem of the cargo ship has the characteristics of simpleness in processing, low cost and the like. Besides, the stem can bear the greater wave impact force, the water pressure and the longitudinal collision vibration.
Description
Technical field
The present invention relates to a kind of freighter and manufacture field, particularly freighter stem.
Background technology
Freighter stem is foremost part of ship member foremost, is also one of most important member of hull, and the stringers of outside plate, deck, platform and the topside of freighter bow is all to finish at stem place.Stem is a primary structure member, bear the fierceness collision of various External Force Actings, particularly hull and other object.They can strengthen hull bear wave impact force and hydraulic pressure, can also bear the vibrations of longitudinal impact.So stem must have enough Rigidity and strengths, to can bear various external impacts.
For freighter, in order to reduce the wave making resistance of boats and ships bow, what all the bow end shape of several waterlines of design load water line and design load water line annex designed conventionally is very sharp thin, its arc radius is generally all very little, that is to say that stem is very little at its arc radius of section of design annex, this too small arc radius is difficult to processing with steel plate, can not ensure the smoothness of appearance, and the freighter stem the processing vibrations that can not bear larger wave impact force, hydraulic pressure and longitudinal impact, be difficult to carry out; The cost of cast steel ship post is high, and power consumption is large, and the feature of environmental protection is poor, and Heavy Weight is not suitable for concerning having the freighter of weight control.Therefore, how to reduce difficulty of processing and the cost of freighter stem, and improve the vibrations performance that freighter stem bears larger wave impact force, hydraulic pressure and longitudinal impact, become the problem that shipbuilding industry is paid special attention to always.
Summary of the invention
The object of the present invention is to provide a kind of processing simple, cost is low, can bear the feature freighter stem such as vibrations of larger wave impact force, hydraulic pressure and longitudinal impact.
Freighter stem of the present invention, comprise stem plate, forecastle upper deck, center keelson, side stringer, horizontal bracket and forecastle lower deck, in described stem plate, center keelson, side stringer and horizontal bracket are installed, it is characterized in that: the top of described stem plate is connected with forecastle upper deck, bottom is connected with forecastle lower deck, described stem plate adopts proclined structure, and the stem plate of described proclined structure is fleetline R shape in vertical direction; The stem plate bench section direction of described proclined structure is all the R shape that fleetline varies in size from top to bottom, and described R shape is outwardly structure.
The stem plate 1 of the above the proclined structure in the vertical direction R value of plate shape is R1=3500～4500mm.
The stem plate of the above proclined structure is in the R of bench section direction value from top to bottom successively: with the plate shape R2=500～1000mm of forecastle upper deck junction; The plate shape R3=1000～1500mm at waist place; Plate shape R4=300～800mm with forecastle lower deck junction.
Between above-described stem plate and solid floor, be also provided with reinforced rib.
Substantive distinguishing features of the present invention and progress are:
The structure of this freighter stem is more prone to the processing of stem, steady quality, and also stem is except bearing larger wave impact force and hydraulic pressure, can also bear the features such as the vibrations of longitudinal impact.
Brief description of the drawings
Fig. 1 is main TV structure simplified schematic diagram of the present invention.
Fig. 2 is that the A of Fig. 1 is to structural representation sketch.
Fig. 3 is the structural representation sketch that stem of the present invention is arranged on fore peak tank.
Fig. 4 is that the B of Fig. 1 is to structural representation sketch.
Fig. 5 is that the C of Fig. 1 is to structural representation sketch.
Fig. 6 is that the D of Fig. 1 is to structural representation sketch.
Fig. 7 is the spatial structure simplified schematic diagram of Fig. 1.
Parts title in figure:
Stem plate 1, fore castle deck 2, upper deck 3, side stringer 4, center keelson 5, solid floor 6, lower deck 7, reinforced rib 8.
Detailed description of the invention
Below in conjunction with drawings and Examples, enforcement structure of the present invention is described.
Embodiment 1
Shown in Fig. 1～7, freighter stem of the present invention, comprise stem plate 1, fore castle deck 2, upper deck 3, side stringer 4, center keelson 5, solid floor 6, lower deck 7 and reinforced rib 8, in described stem plate 1, center keelson 3 is installed, side stringer 4 and horizontal bracket 5, the top of described stem plate 1 is connected with forecastle upper deck 2, bottom is connected with forecastle lower deck 7, stem plate 1 adopts proclined structure, the stem plate 1 of described proclined structure is fleetline R shape in vertical direction, the stem plate 1 bench section direction of described proclined structure is all the R shape that fleetline varies in size from top to bottom, described R shape is outwardly structure, the stem plate 1 of the described proclined structure in the vertical direction R value of plate shape is R1=3500, the stem plate 1 of described proclined structure is in the R of bench section direction value from top to bottom successively: with the plate shape R2=500 of forecastle upper deck 2 junctions, the plate shape R3=1000mm at waist place, plate shape R4=300 with forecastle lower deck 7 junctions, between the stem plate 1 of stating and solid floor 6, be also provided with reinforced rib 8.
Embodiment 2
Its structure is identical with embodiment 1, the stem plate 1 that difference the is above-mentioned proclined structure in the vertical direction R value of plate shape is R1=4500, the stem plate 1 of described proclined structure is in the R of bench section direction value from top to bottom successively: with the plate shape R2=1000 of forecastle upper deck 2 junctions, the plate shape R3=1500mm at waist place, with the plate shape R4=800 of forecastle lower deck 7 junctions.
Embodiment 3
Its structure is identical with embodiment 1, the stem plate 1 that difference the is above-mentioned proclined structure in the vertical direction R value of plate shape is R1=4000, the stem plate 1 of described proclined structure is in the R of bench section direction value from top to bottom successively: with the plate shape R2=800 of forecastle upper deck 2 junctions, the plate shape R3=1200mm at waist place, with the plate shape R4=500 of forecastle lower deck 7 junctions.
Claims (4)
1. a freighter stem, comprise stem plate (1), fore castle deck (2), upper deck (3), center keelson (5), solid floor (6) and lower deck (7), in described stem plate (1), center keelson (5) is installed, side stringer (4) and solid floor (6), it is characterized in that: the top of described stem plate (1) is connected with fore castle deck (2), bottom is connected with lower deck (7), described center keelson (5) runs through stem plate (1) interior plate, center keelson (5) be laterally provided with some solid floors (6), described stem plate (1) adopts proclined structure, the stem plate (1) of described proclined structure is fleetline parabola or arc structure in vertical direction, stem plate (1) the bench section direction of described proclined structure is all the R shape that fleetline varies in size from top to bottom, and described R shape is outwardly structure.
2. freighter stem according to claim 1, is characterized in that: the stem plate (1) of the described proclined structure in the vertical direction R value of plate shape is R1=3000～4000mm.
3. freighter stem according to claim 1, is characterized in that: the stem plate (1) of described proclined structure in the R of bench section direction value from top to bottom successively: with the circular arc R2=100～600mm of fore castle deck (2) junction; Circular arc R3=300～the 1000mm at waist place; Circular arc R4=100～500mm with forecastle lower deck (7) junction.
4. freighter stem according to claim 1, is characterized in that: between described stem plate (1) and solid floor (6), be also provided with reinforced rib (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264897.9A CN104029787A (en) | 2014-06-16 | 2014-06-16 | Stem of cargo ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264897.9A CN104029787A (en) | 2014-06-16 | 2014-06-16 | Stem of cargo ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104029787A true CN104029787A (en) | 2014-09-10 |
Family
ID=51460841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264897.9A Pending CN104029787A (en) | 2014-06-16 | 2014-06-16 | Stem of cargo ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104029787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018191A (en) * | 2018-07-26 | 2018-12-18 | 桂平市大众船舶修造厂 | A kind of novel freighter stem |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011046341A (en) * | 2009-08-28 | 2011-03-10 | Shin Kurushima Dockyard Co Ltd | Marine vessel bow part lower part block working method |
| CN102381437A (en) * | 2010-08-30 | 2012-03-21 | 联合船舶设计发展中心 | Side-bend energy absorbing buffer stem |
| CN102481969A (en) * | 2009-08-24 | 2012-05-30 | 新日本制铁株式会社 | Bow structure |
| KR20130078003A (en) * | 2011-12-30 | 2013-07-10 | 대우조선해양 주식회사 | Structure for fore body of vessels |
| CN103625601A (en) * | 2012-08-20 | 2014-03-12 | 中集船舶海洋工程设计研究院有限公司 | Head structure of container ship |
-
2014
- 2014-06-16 CN CN201410264897.9A patent/CN104029787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481969A (en) * | 2009-08-24 | 2012-05-30 | 新日本制铁株式会社 | Bow structure |
| JP2011046341A (en) * | 2009-08-28 | 2011-03-10 | Shin Kurushima Dockyard Co Ltd | Marine vessel bow part lower part block working method |
| CN102381437A (en) * | 2010-08-30 | 2012-03-21 | 联合船舶设计发展中心 | Side-bend energy absorbing buffer stem |
| KR20130078003A (en) * | 2011-12-30 | 2013-07-10 | 대우조선해양 주식회사 | Structure for fore body of vessels |
| CN103625601A (en) * | 2012-08-20 | 2014-03-12 | 中集船舶海洋工程设计研究院有限公司 | Head structure of container ship |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018191A (en) * | 2018-07-26 | 2018-12-18 | 桂平市大众船舶修造厂 | A kind of novel freighter stem |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140910 |
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| RJ01 | Rejection of invention patent application after publication |