CN102381437A - Side-bend energy absorbing buffer stem - Google Patents
Side-bend energy absorbing buffer stem Download PDFInfo
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- CN102381437A CN102381437A CN2010102699489A CN201010269948A CN102381437A CN 102381437 A CN102381437 A CN 102381437A CN 2010102699489 A CN2010102699489 A CN 2010102699489A CN 201010269948 A CN201010269948 A CN 201010269948A CN 102381437 A CN102381437 A CN 102381437A
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- lateral bending
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Abstract
The invention discloses a side-bend energy absorbing buffer stem, which comprises a hull. A longitudinal structure unit, a transverse structure unit and an advanced collapsing structure are arranged in the hull, wherein the longitudinal structure unit is provided with a horizontal stringer, and the advanced collapsing structure is provided with a plurality of collapsing portions which are arranged at junctions of the horizontal stringer and the hull. When the buffer stem bumps a collided ship, the collapsing portions can collapse in advance and enable the buffer stem to deform in a side-bend manner, accordingly, the contact area of the buffer stem with the collided ship can be increased, impact force can be scattered, and the buffer stem is prevented from puncturing a hull of the collided ship.
Description
Technical field
The present invention relates to the buffer-type stem, particularly a kind of buffer-type stem of lateral bending Debacle possible type.
Background technology
When boats and ships generation bump accident; Puncture the shell of collided ship for fear of the stem of accident ship, cause the inner oil plant of collided ship to leak and environment is produced gross pollution, therefore the design study of at present existing buffer-type stem; See also shown in Figure 1; Be a kind of inner structure scheme drawing of existing buffer-type stem, this existing buffer-type stem has a shell 1, is provided with vertical reinforcing structures such as a line of centers stringers 2, two horizontal stringers 3 in this shell 1; And horizontal reinforcing structure such as a cross rib osseous system 4, a plurality of chest rib 5; In the time should having buffer-type stem generation forward bump now,, and make longitudinal strength lower through this owing to its most of structure 4 of this cross rib osseous systems by horizontally set constitute; Therefore crumple will take place with the absorption Impact energy in this cross rib osseous system 4, and then can reduce the suffered impact injury of collided ship.
Yet this buffer-type stem utilizes the absorbent Impact energy of structure crumple that its limit is arranged; For large-scale or high-revolving boats and ships; The kinetic energy that the energy that only depends on this buffer-type stem structure conquassation to be absorbed possibly be not enough to offset whole bump accident; Therefore some researcher has proposed some can make stem occur the method for lateral bending distortion easily, for example with ball bow lengthening or with the reduced cross-sectional of ball bow root etc., clashes into collided ship with oblique mode through this when this accident ship; Or collided ship is when having speed of advance; Lateral bending distortion will appear because of the drive of side force in the stem of this accident ship, and can significantly increase the area of contact of this accident ship and this collided ship, makes the shell of unlikely this collided ship of puncture of stem of this accident ship; No matter but be to utilize with ball bow lengthening or with the methods such as reduced cross-sectional of ball bow root all can have a strong impact on the hydrodynamic performance of these boats and ships, and be mostly that industry denounces.
Summary of the invention
The purpose of this invention is to provide a kind of hydrodynamic performance that can not influence boats and ships, can reach the lateral bending Debacle possible type buffer-type stem of lateral bending deformation effect simultaneously again.
A kind of lateral bending Debacle possible type buffer-type stem provided by the present invention, it includes a shell, a longitudinal construction unit, a transversary unit and a collapsing structure in advance, wherein; Be provided with a room in this shell, and this shell can be distinguished into one be positioned at front end the chest rib section, and the breeze way that is positioned at after this chest rib section; And this longitudinal construction unit is placed in this room; And have and at least onely be horizontally disposed horizontal stringers, and a plurality of be positioned at this chest rib section and be flat seam stack the chest rib of putting, and this transversary unit is placed in this room; And have a plurality of ring-type strengthening ribs; And these ring-type strengthening ribs are axially set in this breeze way along this shell, and collapsing structure then has at least one crumple face and at least two crumple portions in advance, wherein; This crumple face radially is arranged at this breeze way place along this shell, and these crumple portions then are arranged at the intersection of this horizontal stringers and this shell respectively along this crumple face.
As preferred version, wherein, this crumple portion is a broken line.
As preferred version, wherein, this crumple portion is an impression.
As preferred version, wherein, this crumple portion is a perforate.
As preferred version, wherein, this perforate semicircular in shape, and be arranged on this horizontal stringers.
As preferred version, wherein, this perforate is V-shaped, and is arranged on this horizontal stringers.
A kind of lateral bending Debacle possible type buffer-type stem provided by the present invention; When this buffer-type stem clashed into a collided ship, in advance collapsing structure crumple of will going ahead of the rest let this buffer-type stem produce lateral bending distortion; And can increase the area of contact of this buffer-type stem and this collided ship; Reach the purpose of disperseing bump strength, simultaneously, because the present invention can't change the external form of this stem; Can not influence under the condition of boats and ships hydrodynamic performance so can reach, again the further effect of ship-lifting safety of navigation property.
Description of drawings
Fig. 1 is a kind of inner structure scheme drawing of existing buffer-type stem;
Fig. 2 is the inner structure schematic side view of preferred embodiment of the present invention;
Fig. 3 is for of the present invention along looking scheme drawing on the inner structure of the A-A hatching line among Fig. 2;
Fig. 4 is the front, cross-section view along the B-B hatching line among Fig. 2 of the present invention;
Fig. 5 is the action scheme drawing of preferred embodiment of the present invention.
The specific embodiment
See also Fig. 2, Fig. 3 and shown in Figure 4; For the inner structure schematic side view of preferred embodiment of the present invention, along looking scheme drawing on the inner structure of the A-A hatching line among Fig. 2 and along the cutaway view of the B-B forward sight hatching line among Fig. 2; Its exposure has a kind of lateral bending Debacle possible type buffer-type stem 100, and this lateral bending Debacle possible type buffer-type stem 100 consists predominantly of:
One shell 10 is provided with a room 11 in it, and this shell 10 can be distinguished into one be positioned at front end chest rib section 12, and the breeze way 13 that is positioned at after this chest rib section 12.
One longitudinal construction unit 20, it is placed in this room 11, and has the line of centers stringers 21 that is vertical setting, and two be horizontally disposed horizontal stringers 22, and a plurality of be positioned at this chest rib section 12 and be flat seam stack the chest rib of putting 23.
One transversary unit 30, it is placed in this room 11, and has a plurality of ring-type strengthening ribs 31, and these ring-type strengthening ribs 31 being axially set in this breeze way 13 along this shell 10.
One collapsing structure 40 in advance, it has at least one crumple face 41 and at least two crumple portions 42, in present embodiment; Collapsing structure 40 has a crumple face 41 and four crumple portions 42 in advance; Wherein, this crumple face 41 radially is arranged at this breeze way 13 places along this shell 10, and these crumple portions 42 then are arranged at the intersection of this horizontal stringers 22 and this shell 10 respectively along this crumple face 41; And these crumple portions 42 can be an impression (Swage), a broken line (KnuckleLine) or be a perforate (Cutout) shown in present embodiments; Simultaneously, this perforate can be V-arrangement or shown in present embodiment, is semicircle, and is arranged on this horizontal stringers 22.
The present invention please consults shown in Figure 5ly simultaneously, is the action scheme drawing of preferred embodiment of the present invention, owing to can't change the external form of this stem; So can not influence the hydrodynamic performance of boats and ships, and when this lateral bending Debacle possible type buffer-type stem 100 bumps one collided ship 200, at this moment; The antagonistic force of bump will be passed this lateral bending Debacle possible type buffer-type stem 100 back, and produces stress concentration in crumple portion 42 places of this collapsing structure 40 of going ahead of the rest, and make this horizontal stringers 22 be provided with these crumple portion 42 places crumple takes place; And then let this lateral bending Debacle possible type buffer-type stem 100 produce the lateral bending distortion; To increase the area of contact of this lateral bending Debacle possible type buffer-type stem 100 and this collided ship 200, reach the purpose of disperseing bump strength, prevent that this lateral bending Debacle possible type buffer-type stem 100 from puncturing the shell of these collided ships 200; Simultaneously; This accident ship more can be because of the distortion of the lateral bending of stem, and produces the sliding type side swipes with collided ship 200, and then can reduce the probability that the shell of collided ship 200 breaks; In addition; Because in advance collapsing structure 40 is arranged on this horizontal stringers 22 and can change the external form of this stem, therefore can reach can not influence under the condition of boats and ships hydrodynamic performance, again the further effect of ship-lifting safety of navigation property.
Claims (6)
1. lateral bending Debacle possible type buffer-type stem is characterized in that including:
One shell is provided with a room in it, and this shell be distinguished into one be positioned at front end the chest rib section, and the breeze way that is positioned at after this chest rib section;
One longitudinal construction unit, it is placed in this room, and has and at least onely be horizontally disposed horizontal stringers, and a plurality of be positioned at this chest rib section and be flat seam stack the chest rib of putting;
One transversary unit, it is placed in this room, and has a plurality of ring-type strengthening ribs, and these ring-type strengthening ribs being axially set in this breeze way along this shell;
One collapsing structure in advance; It has at least one crumple face and at least two crumple portions; Wherein, this crumple face radially is arranged at this breeze way place along this shell, and said a plurality of crumple portion then is arranged at the intersection of this horizontal stringers and this shell respectively along this crumple face;
Through this, when this buffer-type stem clashes into a collided ship, in advance collapsing structure crumple of will going ahead of the rest; Let this buffer-type stem produce the lateral bending distortion; And can increase the area of contact of this buffer-type stem and this collided ship, and reach the purpose of disperseing bump strength, prevent that this buffer-type stem from puncturing the shell of this collided ship; Simultaneously; Because the present invention can't change the external form of this stem, can not influence under the condition of boats and ships hydrodynamic performance so can reach, again the further effect of ship-lifting safety of navigation property.
2. according to the described a kind of lateral bending Debacle possible type buffer-type stem of claim 1, it is characterized in that this crumple portion is a broken line.
3. according to the described a kind of lateral bending Debacle possible type buffer-type stem of claim 1, it is characterized in that this crumple portion is an impression.
4. according to the described a kind of lateral bending Debacle possible type buffer-type stem of claim 1, it is characterized in that this crumple portion is a perforate.
5. according to the described a kind of lateral bending Debacle possible type buffer-type stem of claim 4, it is characterized in that, this perforate semicircular in shape, and be arranged on this horizontal stringers.
6. according to the described a kind of lateral bending Debacle possible type buffer-type stem of claim 4, it is characterized in that this perforate is V-shaped, and be arranged on this horizontal stringers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102699489A CN102381437A (en) | 2010-08-30 | 2010-08-30 | Side-bend energy absorbing buffer stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102699489A CN102381437A (en) | 2010-08-30 | 2010-08-30 | Side-bend energy absorbing buffer stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102381437A true CN102381437A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102699489A Pending CN102381437A (en) | 2010-08-30 | 2010-08-30 | Side-bend energy absorbing buffer stem |
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| CN (1) | CN102381437A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029787A (en) * | 2014-06-16 | 2014-09-10 | 桂平市大众船舶修造厂 | Stem of cargo ship |
| CN107054556A (en) * | 2016-12-23 | 2017-08-18 | 中国船舶工业集团公司第七0八研究所 | It is first that one kind reduces the increased novel ball of resistance in waves |
| CN109263791A (en) * | 2018-09-30 | 2019-01-25 | 广船国际有限公司 | A kind of shipping anti-collision structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323026A (en) * | 1979-10-24 | 1982-04-06 | Gallagher John J | Drag reducing structure to minimize vessel collision damage |
| WO2004092004A1 (en) * | 2003-04-17 | 2004-10-28 | National Maritime Research Institute | Marine vessel having lateral bending buffering bow |
| JP2004314824A (en) * | 2003-04-17 | 2004-11-11 | National Maritime Research Institute | Vessel having lateral bending absorption type bow |
| CN101138990A (en) * | 2007-10-18 | 2008-03-12 | 重庆长安汽车股份有限公司 | Closed type back-floor reinforcement beam holder of car |
| CN101186218A (en) * | 2007-09-30 | 2008-05-28 | 重庆长安汽车股份有限公司 | Automobile longitudinal beam front section collision energy-absorbing structure |
| JP2009248731A (en) * | 2008-04-04 | 2009-10-29 | Nippon Steel Corp | Bow structure with superior collision resisting safety |
| JP2009248916A (en) * | 2008-04-10 | 2009-10-29 | Nippon Steel Corp | Bulbous bow excellent in collision energy absorption capacity |
-
2010
- 2010-08-30 CN CN2010102699489A patent/CN102381437A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323026A (en) * | 1979-10-24 | 1982-04-06 | Gallagher John J | Drag reducing structure to minimize vessel collision damage |
| WO2004092004A1 (en) * | 2003-04-17 | 2004-10-28 | National Maritime Research Institute | Marine vessel having lateral bending buffering bow |
| JP2004314824A (en) * | 2003-04-17 | 2004-11-11 | National Maritime Research Institute | Vessel having lateral bending absorption type bow |
| CN101186218A (en) * | 2007-09-30 | 2008-05-28 | 重庆长安汽车股份有限公司 | Automobile longitudinal beam front section collision energy-absorbing structure |
| CN101138990A (en) * | 2007-10-18 | 2008-03-12 | 重庆长安汽车股份有限公司 | Closed type back-floor reinforcement beam holder of car |
| JP2009248731A (en) * | 2008-04-04 | 2009-10-29 | Nippon Steel Corp | Bow structure with superior collision resisting safety |
| JP2009248916A (en) * | 2008-04-10 | 2009-10-29 | Nippon Steel Corp | Bulbous bow excellent in collision energy absorption capacity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029787A (en) * | 2014-06-16 | 2014-09-10 | 桂平市大众船舶修造厂 | Stem of cargo ship |
| CN107054556A (en) * | 2016-12-23 | 2017-08-18 | 中国船舶工业集团公司第七0八研究所 | It is first that one kind reduces the increased novel ball of resistance in waves |
| CN109263791A (en) * | 2018-09-30 | 2019-01-25 | 广船国际有限公司 | A kind of shipping anti-collision structure |
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Application publication date: 20120321 |