CN204587219U - A kind of vertical bone passes through hole - Google Patents
A kind of vertical bone passes through hole Download PDFInfo
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- CN204587219U CN204587219U CN201520269157.4U CN201520269157U CN204587219U CN 204587219 U CN204587219 U CN 204587219U CN 201520269157 U CN201520269157 U CN 201520269157U CN 204587219 U CN204587219 U CN 204587219U
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- vertical bone
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Abstract
The utility model discloses a kind of vertical bone and pass through hole, vertical bone is T profile.The utility model passes through hole and limits as follows: from vertical lateral part, bone side, the most downward H1 distance of lower edge starts, and from vertical bone homonymy vertically facade partly, horizontally set length is the first paragraph straight line of T1; Start to be the first arc section from first paragraph linear end, the radial direction of the first arc section end is vertical direction; Start to be the second arc section from the first arc section end; The end of the second arc section seamlessly transits to the second vertical linear portion; The end of the second linear portion is most upper limb height to vertical bone lateral part, and forms the three-arc section that an and radius relative with the second arc section is H1, angle is 90 degree since then; The end of three-arc section is level the 3rd linear portion; Pass through centered by the structure on two sides of hole and be symmetrical arranged.The great advantage of the design is the vertical bone according to different size, and the arc radius of design optimization improves the intensity of structure, maximizes the fatigue life of improving perforate.
Description
Technical field
The present invention relates in ship building, open on horizontal ribbed, can allow the perforate that continuous print longitudinal type aggregate passes through, specifically, the present invention relates to the form of passing through hole and arrange.
Background technology
As shown in Figure 1 and Figure 2, under prior art, antifatigue indulges the pass through hole of bone 2 on floor 1 is by arranging root toe-end, applies circular arc R 1 and one section of straight line L of 90 degree, is connected on profile perforate border R2.This perforate is simple, easily processes, but is generally 90 degree due to the radian being circular arc R 1, and radian is comparatively large, and radius is less, and cause the stress of toe-end position comparatively large, the fatigue life of vertical bone improves not obvious.In figure, A, B, C, D, E represent the intersection point of two line segments.
Summary of the invention
The invention provides a kind of vertical bone becoming radius and pass through hole, apply the designed arc-shaped appearance toe-end of 60 degree, make use of circular arc and circular arc is directly tangent, evenly transmit stress, thus reach improve intensity, the vertical bone that increases anti-fatigue performance passes through hole.
In order to achieve the above object, the invention provides a kind of vertical bone and pass through hole, described vertical bone is T profile, if the outer end of vertical lateral part, bone side to the maximum distance of vertical portion discrete faces is T3, passes through the edge limited as follows of hole:
From lateral part, vertical bone side, the downward H1 distance of most lower edge starts, and from the facade of the vertical part of described vertical bone homonymy, horizontally set length is the first paragraph straight line of T1; Wherein, T1, H1 satisfy condition: as T3≤50mm, H1=35mm, T1=10mm; As T3>50mm, H1=50mm, T1=15mm;
From described first paragraph linear end A point, to start be one section of radius R 1=1.155 × and (T3-T1) millimeter, angle are first arc section of 60 degree, and the radial direction of described first arc section end A point is vertical direction;
From described first arc section end B point the second arc section that to start be one section of radius R 2=H1, angle is 90 degree;
The end C point of described second arc section seamlessly transits to the second vertical linear portion;
The end D point of described second linear portion is most upper limb height to described vertical bone lateral part, and forms the three-arc section that an and radius relative with described second arc section is H1, angle is 90 degree since then;
The end E point of described three-arc section is level the 3rd linear portion;
Described passing through centered by the structure on two sides of hole is symmetrical arranged.
The great advantage of the design is the vertical bone according to different size, and the arc radius of design optimization improves the intensity of structure, maximizes the fatigue life of improving perforate.
Accompanying drawing explanation
Fig. 1 is the structural representation that under prior art, vertical bone passes through hole.
Fig. 2 is the version schematic diagram omitting floor after vertical bone in Fig. 1.
Fig. 3 the present invention is directed to vertical bone to pass through hole and done the schematic diagram of size marking.
Fig. 4 is the schematic diagram that under prior art, vertical bone passes through the toe-end force analysis in hole.
Fig. 5 is the schematic diagram that the present invention indulges the toe-end force analysis that bone passes through.
Detailed description of the invention
Verified in test, and apply for many years on structure design: at position of opening, effective transmission angle of power is 30 degree.That is as shown in Figure 4, the toe-end that bone passes through hole is indulged in existing design, does not have transmitted load in the structure of shadow positions, that is to structural strength without any use.And the important guarantee that the length of the toe-end of structure is structural load effectively to be transmitted.
As shown in Figure 4, it is T2 that the transmitted load length that bone passes through the toe-end structure in hole is indulged in existing design, instead of the scantling length T1 of toe-end reality.So it is that the circular arc of 60 degree is crossing with toe-end that the present invention designs an angle, and the tangential angle at toe-end place is 30 degree, as shown in Fig. 3,5, makes the actual size of structure be fully exploited.
Specifically, the vertical bone of the present invention's one passes through hole, indulges bone for T profile, if the outer end of vertical lateral part, bone side to the maximum distance of vertical portion discrete faces is T3, passes through the edge limited as follows of hole:
From lateral part, vertical bone side, the downward H1 distance of most lower edge starts, and from the facade of the vertical part of described vertical bone homonymy, horizontally set length is the first paragraph straight line of T1; Wherein, T1, H1 satisfy condition: as T3≤50mm, H1=35mm, T1=10mm; As T3>50mm, H1=50mm, T1=15mm;
From described first paragraph linear end A point, to start be one section of radius R 1=1.155 × and (T3-T1) millimeter, angle are first arc section of 60 degree, and the radial direction of described first arc section end A point is vertical direction;
From described first arc section end B point the second arc section that to start be one section of radius R 2=H1, angle is 90 degree;
The end C point of described second arc section seamlessly transits to the second vertical linear portion;
The end D point of described second linear portion is most upper limb height to described vertical bone lateral part, and forms the three-arc section that an and radius relative with described second arc section is H1, angle is 90 degree since then;
The end E point of described three-arc section is level the 3rd linear portion;
Described passing through centered by the structure on two sides of hole is symmetrical arranged.
Test proves, the radius of circular arc R 1 is larger, and the path of abuse loads is longer, and STRESS VARIATION is also more even, and the fatigue of tapping is better.Arc radius in existing design is the less radii fixus R1 of application one, by regulating middle one section of straight line L length, meets the requirement that different size indulges bone.Do not increase radius to greatest extent and improve fatigue life.The present invention increases arc radius to greatest extent, and outer end B point and the distance T4 indulging bone vertical portion discrete faces of circular arc R 1 equal the outer end T3 of vertical bone size.Increase again and just exceed perforate outline R2.
Wherein: as T3≤50mm, H1=35mm;
As T3>50mm, H1=50mm;
H2＝H1；
As T3≤50mm, T1=10mm;
As T3>50mm, T1=15mm;
R2＝H1；
By tan60 ° × R1+T1=T3;
R1＝1.155×(T3-T1)；
The great advantage of the design is the vertical bone according to different size, and the arc radius of design optimization improves the intensity of structure, maximizes the fatigue life of improving perforate.
Hole is passed through below for the T-shaped vertical bone of 320,000 VLCC oil carrier, by utilizing the analysis of finite element model, and the optimum choice to multiple design, illustrate that T-shaped vertical bone that the present invention can improve strength at repeated alternation passes through the advantage in hole: T-shaped vertical bone is of a size of panel width 175mm plate thickness 30mm, web height 660mm, web thickness 15mm.Adopting the T1 of existing design to be 15mm, R1 radius is 50mm, and middle straight line L length is 15mm.Fatigue life is 33 years.The T1 adopting the present invention to design is 15mm, R1 radius is 75mm.Fatigue life is 42 years.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (1)
1. vertical bone passes through a hole, and described vertical bone is T profile, if the outer end of vertical lateral part, bone side to the maximum distance of vertical portion discrete faces is T3, it is characterized in that, passes through the edge limited as follows of hole:
From lateral part, vertical bone side, the downward H1 distance of most lower edge starts, and from the facade of the vertical part of described vertical bone homonymy, horizontally set length is the first paragraph straight line of T1; Wherein, T1, H1 satisfy condition: as T3≤50mm, H1=35mm, T1=10mm; As T3>50mm, H1=50mm, T1=15mm;
From described first paragraph linear end the first arc section that to start be one section of radius R 1=1.155 × (T3-T1) millimeter, angle is 60 degree, the radial direction of described first arc section end is vertical direction;
From described first arc section end the second arc section that to start be one section of radius R 2=H1, angle is 90 degree;
The end of described second arc section seamlessly transits to the second vertical linear portion;
The end of described second linear portion is most upper limb height to described vertical bone lateral part, and forms the three-arc section that an and radius relative with described second arc section is H1, angle is 90 degree since then;
The end of described three-arc section is level the 3rd linear portion;
Described passing through centered by the structure on two sides of hole is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269157.4U CN204587219U (en) | 2015-04-28 | 2015-04-28 | A kind of vertical bone passes through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269157.4U CN204587219U (en) | 2015-04-28 | 2015-04-28 | A kind of vertical bone passes through hole |
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| Publication Number | Publication Date |
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| CN204587219U true CN204587219U (en) | 2015-08-26 |
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| CN201520269157.4U Active CN204587219U (en) | 2015-04-28 | 2015-04-28 | A kind of vertical bone passes through hole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620657A (en) * | 2015-12-09 | 2016-06-01 | 江苏科技大学 | Aggregate through hole pattern structure of ship cabin wall plate |
| CN109204696A (en) * | 2018-08-30 | 2019-01-15 | 广船国际有限公司 | Ship girder web structure and Ship Structure |
| CN114954776A (en) * | 2022-04-28 | 2022-08-30 | 大连船舶重工集团有限公司 | Novel bilge keel suitable for FPSO |
-
2015
- 2015-04-28 CN CN201520269157.4U patent/CN204587219U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620657A (en) * | 2015-12-09 | 2016-06-01 | 江苏科技大学 | Aggregate through hole pattern structure of ship cabin wall plate |
| CN109204696A (en) * | 2018-08-30 | 2019-01-15 | 广船国际有限公司 | Ship girder web structure and Ship Structure |
| CN114954776A (en) * | 2022-04-28 | 2022-08-30 | 大连船舶重工集团有限公司 | Novel bilge keel suitable for FPSO |
| CN114954776B (en) * | 2022-04-28 | 2023-11-17 | 大连船舶重工集团有限公司 | Bilge keels suitable for FPSO |
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