CN113844613A - Hull rib plate structure connecting node - Google Patents
Hull rib plate structure connecting node Download PDFInfo
- Publication number
- CN113844613A CN113844613A CN202111156391.2A CN202111156391A CN113844613A CN 113844613 A CN113844613 A CN 113844613A CN 202111156391 A CN202111156391 A CN 202111156391A CN 113844613 A CN113844613 A CN 113844613A
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- Prior art keywords
- arc
- rib plate
- plate
- reinforcing rib
- shaped section
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of ship construction, and discloses a ship body rib plate structure connecting joint which comprises a ship body structure and a reinforcing rib plate welded with the ship body structure, wherein an angular hole is formed in the angular point position where the reinforcing rib plate is connected with the ship body structure, the angular hole comprises an arc-shaped section and a toe end straight-line section connected with the arc-shaped section, the central angle corresponding to the arc-shaped section is larger than 90 degrees, the toe end straight-line section is connected between the bottom end of the arc-shaped section and the ship body structure, and the toe end straight-line section is perpendicular to the ship body structure. The central angle corresponding to the arc-shaped section of the angle hole is larger than 90 degrees, so that the area of the angle hole is increased, the arc-shaped section has more divergent stress area, the stress is equally distributed to more surfaces, and the stress concentration is reduced; toe end straightway can increase the lifting surface between the bottom of segmental arc and the hull structure, thereby makes the shearing force have more faces of dispersing and improves fatigue strength, avoids causing the damage to the segmental arc in addition, reduces stress, also makes deep floor can not be by cutting more materials and loss strength.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a ship body rib plate structure connecting node.
Background
In the ship building process, a reinforced rib plate structure is usually arranged on a ship body outer plate, a cabin wall plate and a double-layer bottom diaphragm plate so as to improve the structural strength of a ship body and the load performance and the wind and wave resistance of the ship. When reinforcing rib plates are arranged, the reinforcing rib plates are generally vertically welded and fixed on a hull outer plate and a cabin wall plate, most corner points of the reinforcing rib plates are provided with corner holes, and the corner holes are used as water flowing holes to play a role of flowing water and prevent water accumulation; secondly, the air holes are used for ventilation; and thirdly, reducing the stress at the corner points.
As shown in fig. 1, the rib plate structure connecting joint comprises a reinforcing rib plate 1 and a hull structure 2, an angular point position at the joint of the reinforcing rib plate 1 and the hull structure 2 is provided with an angular hole 3, the angular hole structure mainly has a fan-shaped hole, and the fan-shaped hole is a quarter circular arc.
When the existing ship structure is built, the stress at the corner point position of the sharp corner connected with the ship structure by the reinforcing rib plate is very concentrated, and the stress can be well dispersed by the curved surface of the arc corner hole after the corner hole is formed, so that the fatigue strength of the corner point is improved, and the service life of a component is prolonged. However, when the reinforcing rib plate is welded with the ship structure, the stress divergence area of the bottom end of the circular arc is small, a stress concentration point is arranged between the bottom end of the quarter circular arc of the corner hole and the ship structure, meanwhile, the welding seam has a certain height, so that the welding seam can fill part of the fan-shaped hole, and the welding stress further causes the stress concentration of the bottom end of the circular arc at the bottom end of the quarter circular arc.
Disclosure of Invention
The purpose of the invention is: the utility model provides a hull gusset structure connected node to solve the problem of the circular arc bottom stress concentration of deep floor's angular hole among the prior art.
In order to achieve the purpose, the invention provides a ship hull rib plate structure connecting joint which comprises a ship hull structure and a reinforcing rib plate welded with the ship hull structure, wherein an angular hole is formed in the angular point position where the reinforcing rib plate is connected with the ship hull structure, the angular hole comprises an arc-shaped section and a toe end straight-line section connected with the arc-shaped section, the central angle corresponding to the arc-shaped section is larger than 90 degrees, the toe end straight-line section is connected between the bottom end of the arc-shaped section and the ship hull structure, and the toe end straight-line section is perpendicular to the ship hull structure.
Preferably, the height of the toe end straight line segment is 15-25 mm.
Preferably, the height of the toe end straight segment is 15 mm.
Preferably, the central angle corresponding to the arc-shaped section is 180 degrees.
Preferably, the corner hole further comprises a top straight section connected to an end of the arcuate section remote from the toe end straight section.
Preferably, the top linear segment is perpendicular to the toe end linear segment.
Preferably, one side of the reinforcing rib plate, which is far away from the corner hole, is also provided with an enlarged vertical plate or a toggle plate, and one side of the enlarged vertical plate, which is far away from the reinforcing rib plate, is an arc-shaped side.
Preferably, the enlarged vertical plate and the reinforcing rib plate are integrally formed.
Preferably, the elbow plate is provided with an angle hole at the position of the angle point connected with the reinforcing rib plate.
Preferably, the reinforcing rib plate is further provided with a band rib, the band rib is perpendicular to the hull structure, and a gap is formed between the band rib and the corner hole.
Compared with the prior art, the ship body rib plate structure connecting node provided by the embodiment of the invention has the beneficial effects that: the central angle corresponding to the arc-shaped section of the angular hole is larger than 90 degrees, the area of the arc-shaped section is increased, so that the area of the angular hole is increased, the water flow and the air permeability are increased, meanwhile, the arc-shaped section has more divergent stress areas, the stress is evenly distributed on more surfaces, the stress concentration is reduced, and the fatigue strength is improved; in addition, still connect the toe end straightway between the bottom of segmental arc and hull structure, the toe end straightway can increase the bottom of segmental arc and the lifting surface area between the hull structure, thereby make the shearing force have more face of dispersing and improve fatigue strength, reduce stress, also increase the interval between segmental arc and the hull structure in addition, the welding foot that supplies to have the height carries out the cornerite, avoid causing the damage to the segmental arc, reduce stress, also make the deep floor can not be cut more materials and loss strength.
Drawings
FIG. 1 is a schematic structural diagram of a conventional joint for connecting a hull structure with reinforcing ribs;
FIG. 2 is a schematic structural view of a ship hull rib plate structure connecting joint of the invention;
FIG. 3 is a schematic structural view of an enlarged vertical plate arranged at one end of a reinforcing rib plate of the ship hull rib plate structure connecting node of the invention;
FIG. 4 is a schematic structural diagram of an enlarged vertical plate arranged at one end of a reinforcing rib plate of the ship hull rib plate structure connecting node, and a toggle plate arranged at the other end of the reinforcing rib plate;
FIG. 5 is a schematic structural view of enlarged vertical plates arranged at two ends of a reinforcing rib plate of the ship hull rib plate structure connecting node of the invention;
FIG. 6 is a schematic structural view of ribs arranged on reinforcing rib plates of the ship hull rib plate structure connecting node of the invention;
fig. 7 is a schematic structural view of a reinforcing rib plate of the ship hull rib plate structure connecting node of the invention, which is a toggle plate.
In the figure, 1, a reinforcing rib plate; 2. a hull structure; 3. corner holes; 31. an arc-shaped section; 32. a toe end straight line segment; 33. a top straight line segment; 4. enlarging the vertical plate; 5. a toggle plate; 6. carrying out ribbing; 7. and (7) welding feet.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The preferred embodiment of the ship body rib plate structure connecting joint disclosed by the invention comprises a ship body structure 2 and reinforcing rib plates 1, wherein the ship body structure 2 and the reinforcing rib plates 1 are vertically welded, the ship body structure 2 can be a ship outer plate, a cabin partition plate, a deck, a side inner shell plate, a side outer plate and the like, and the reinforcing rib plates 1 can be T-shaped sections, flat bulb steels, ribbed plates, toggle plates and the like.
The corner point position where the reinforcing rib plate 1 is connected with the hull structure 2 is provided with the corner hole 3, the corner hole 3 can be used as a water flowing hole and an air vent to play a role in preventing water accumulation and ventilating, meanwhile, the stress at the corner point of the sharp corner is very concentrated, the fatigue strength of the corner point can be improved after the corner hole 3 is formed, and the stress at the corner point is reduced.
The corner hole 3 comprises an arc-shaped section 31 and a toe end straight-line section 32 connected with the arc-shaped section 31, the central angle corresponding to the arc-shaped section 31 is larger than 90 degrees, the toe end straight-line section 32 is connected between the bottom end of the arc-shaped section 31 and the ship body structure 2, and the toe end straight-line section 32 is perpendicular to the ship body structure 2.
After the central angle corresponding to the arc-shaped section 31 is increased to more than 90 degrees, the area of the arc-shaped section 31 of the angle hole 3 can be increased, the area of the angle hole 3 is further increased, the water flow and the air permeability are increased, meanwhile, the arc-shaped section 31 has more divergent stress areas, the stress is equally distributed to more faces, the stress concentration is reduced, and therefore the fatigue strength is improved.
In addition, toe end straightway 32 can increase the lifting surface between the bottom of segmental arc 31 and hull structure 2, thereby makes the shearing force have more faces of dispersing and improves fatigue strength, reduces stress, also increases the interval between segmental arc 31 and hull structure 2 in addition, supplies to have high fillet 7 to carry out the cornerite, avoids causing the damage to segmental arc 31, reduces stress.
Preferably, the height of the toe end straight segments 32 is 15-25 mm. The smaller the height of the straight line segment 32 at the toe end is, the smaller the cutting of the reinforcing rib plate 1 is, and the strength of the reinforcing rib plate 1 cannot be lost; and simultaneously, the requirement of the wrap angle height of the welding leg 7 is also met.
In other embodiments, the height of the straight toe segment 32 may also be 15, 20, 25mm, depending on the size of the stiffener plate 1.
Preferably, the height of the toe end straight segments 32 is 15 mm.
Typically, the height of the fillet 7 will not exceed 15mm, and the 15mm toe straight segment 32 will meet most fillet requirements for the fillet 7. The height of the toe straight segments 32 may also be 16, 18, 20, 22, 25mm as the height of the fillet 7 increases.
Preferably, the arc segment 31 corresponds to a central angle of 180 degrees. The arc-shaped section 31 with the central angle of 180 degrees has larger divergence stress area and reduces stress concentration, thereby improving the fatigue strength and simultaneously being convenient to set the angle.
In other embodiments, on the premise of meeting the requirement of the ship opening specification, the central angle corresponding to the arc-shaped section 31 may also be 120 degrees, 150 degrees, 200 degrees, or the like, and the arc-shaped section 31 may also be another irregular but smooth curve arc.
Preferably, the corner hole 3 further comprises a top straight section 33, the top straight section 33 being connected to an end of the arc section 31 remote from the toe end straight section 32.
The distance of trompil can be increased to top straightway 33, makes the area increase of corner hole 3, is convenient for increase flowing water and ventilative, also makes the face of weld of deep floor 1 and toe end straightway 32 produce one end distance and stagger each other simultaneously, avoids overlapping from top to bottom, guarantees to weld smoothly, guarantees the leg height.
Preferably, the top straight segments 33 are perpendicular to the toe end straight segments 32.
The top straight line section 33 is perpendicular to the toe end straight line section 32, so that the top straight line section 33 is parallel to the ship body structure 2 and perpendicular to the side edge of the reinforcing rib plate 1, the welding space is increased, and the quality of a welding foot is ensured. In other embodiments, the top straight line segment 33 may be arranged obliquely in order to ensure welding space and welding quality.
As shown in fig. 3 to 5, preferably, an enlarged vertical plate 4 or a toggle plate 5 is further disposed on a side of the reinforcing rib plate 1 away from the corner hole 3, and a side of the enlarged vertical plate away from the reinforcing rib plate 1 is an arc-shaped side.
The enlarged vertical plate 4 and the toggle plate 5 can be arranged at one end of the reinforcing rib plate 1 only, and can also be arranged at two ends of the reinforcing rib plate 1. The structural strength of the reinforcing rib plate 1 can be improved by increasing the vertical plate 4 and the toggle plate 5, the stress dispersion area between the reinforcing rib plate 1 and the hull structure 2 is increased, and the fatigue strength is reduced. In other embodiments, the enlarged vertical plate 4 or the toggle plate 5 can be omitted, so that the material is saved, and the weight of the ship is reduced.
Preferably, the enlarged vertical plate 4 and the reinforcing rib plate 1 are integrally formed.
The integrally formed enlarged vertical plate 4 can increase the connection strength between the two plates, so that the stress is conveniently dispersed.
Preferably, the corner point position of the connection between the toggle plate 5 and the reinforcing rib plate 1 is further provided with a corner hole 3. The corner holes 3 can reduce stress concentration between the toggle plate 5 and the reinforcing rib plate 1, and the corner holes 3 in the application can be adopted as the corner holes 3, and can also be adopted as the corner holes in the prior art.
As shown in fig. 6, the reinforcing rib plate 1 is preferably further provided with a rib 6, the rib 6 is perpendicular to the hull structure 2, and a space is provided between the rib 6 and the corner hole 3. The reinforcing ribs 6 can increase the structural strength of the reinforcing rib plate 1 and improve the fatigue strength.
To sum up, the embodiment of the invention provides a ship body rib plate structure connecting joint, wherein the central angle corresponding to the arc-shaped section of the angular hole is larger than 90 degrees, so that the area of the arc-shaped section is increased, the area of the angular hole is increased, the water flow and the air permeability are increased, meanwhile, the arc-shaped section has more divergent stress areas, the stress is evenly distributed on more surfaces, the stress concentration is reduced, and the fatigue strength is improved; in addition, still connect the toe end straightway between the bottom of segmental arc and hull structure, the toe end straightway can increase the bottom of segmental arc and the lifting surface area between the hull structure, thereby make the shearing force have more face of dispersing and improve fatigue strength, reduce stress, also increase the interval between segmental arc and the hull structure in addition, the welding foot that supplies to have the height carries out the cornerite, avoid causing the damage to the segmental arc, reduce stress, also make the deep floor can not be cut more materials and loss strength.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A ship body rib plate structure connecting joint comprises a ship body structure and a reinforcing rib plate welded with the ship body structure, wherein an angle hole is formed in the position of an angle point where the reinforcing rib plate is connected with the ship body structure, the reinforcing rib plate is characterized in that the angle hole comprises an arc-shaped section and a toe end straight-line section connected with the arc-shaped section, the central angle corresponding to the arc-shaped section is larger than 90 degrees, the toe end straight-line section is connected between the bottom end of the arc-shaped section and the ship body structure, and the toe end straight-line section is perpendicular to the ship body structure.
2. The hull rib structure connecting joint according to claim 1, wherein the height of the toe end straight line segment is 15-25 mm.
3. The hull rib structure connecting joint according to claim 2, wherein the height of the toe end straight line segment is 15 mm.
4. The ship hull rib structure connecting joint according to claim 1, wherein a central angle corresponding to the arc-shaped section is 180 degrees.
5. The hull rib structure connecting joint according to any one of claims 1 to 4, wherein the corner hole further comprises a top straight line section connected to an end of the arc section remote from the toe end straight line section.
6. The hull rib structure connecting joint according to claim 5, wherein the top straight line segment is perpendicular to the toe end straight line segment.
7. The ship hull rib plate structure connecting joint according to any one of claims 1 to 4, wherein one side of the reinforcing rib plate, which is far away from the corner hole, is provided with an enlarged vertical plate or a toggle plate, and one side of the enlarged vertical plate, which is far away from the reinforcing rib plate, is an arc-shaped side.
8. The ship hull rib plate structure connecting joint according to claim 7, wherein the enlarged vertical plate and the reinforcing rib plate are integrally formed.
9. The ship hull rib plate structure connecting joint according to claim 7, wherein an angle hole is further formed at the position of an angle point where the toggle plate is connected with the reinforcing rib plate.
10. The ship hull rib structure connecting joint according to any one of claims 1-4, wherein a rib is further arranged on the reinforcing rib plate, the rib is perpendicular to the ship hull structure, and a space is formed between the rib and the corner hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111156391.2A CN113844613B (en) | 2021-09-29 | 2021-09-29 | Hull gusset structure connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111156391.2A CN113844613B (en) | 2021-09-29 | 2021-09-29 | Hull gusset structure connected node |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113844613A true CN113844613A (en) | 2021-12-28 |
| CN113844613B CN113844613B (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111156391.2A Active CN113844613B (en) | 2021-09-29 | 2021-09-29 | Hull gusset structure connected node |
Country Status (1)
| Country | Link |
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| CN (1) | CN113844613B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005178447A (en) * | 2003-12-17 | 2005-07-07 | Mitsubishi Heavy Ind Ltd | Hull structure |
| JP2012158883A (en) * | 2011-01-31 | 2012-08-23 | Nippon Sharyo Seizo Kaisha Ltd | Out-of-plane gusset for steel bridge |
| CN105620657A (en) * | 2015-12-09 | 2016-06-01 | 江苏科技大学 | Aggregate through hole pattern structure of ship cabin wall plate |
| CN106184608A (en) * | 2016-07-05 | 2016-12-07 | 江苏科技大学 | The aggregate through hole pass of ship cabin wallboard and benefit plate Welding Structure thereof |
| CN109911104A (en) * | 2019-03-29 | 2019-06-21 | 广船国际有限公司 | Ship siding through hole and its open up method and boat segmental building technology |
| CN111268052A (en) * | 2020-02-28 | 2020-06-12 | 广船国际有限公司 | Ship section bar penetration structure |
| CN113135260A (en) * | 2021-05-31 | 2021-07-20 | 广船国际有限公司 | Bracket and ship |
| CN113428315A (en) * | 2021-07-01 | 2021-09-24 | 浙江国际海运职业技术学院 | Positioning and welding method for ship stern pushing equipment |
-
2021
- 2021-09-29 CN CN202111156391.2A patent/CN113844613B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005178447A (en) * | 2003-12-17 | 2005-07-07 | Mitsubishi Heavy Ind Ltd | Hull structure |
| JP2012158883A (en) * | 2011-01-31 | 2012-08-23 | Nippon Sharyo Seizo Kaisha Ltd | Out-of-plane gusset for steel bridge |
| CN105620657A (en) * | 2015-12-09 | 2016-06-01 | 江苏科技大学 | Aggregate through hole pattern structure of ship cabin wall plate |
| CN106184608A (en) * | 2016-07-05 | 2016-12-07 | 江苏科技大学 | The aggregate through hole pass of ship cabin wallboard and benefit plate Welding Structure thereof |
| CN109911104A (en) * | 2019-03-29 | 2019-06-21 | 广船国际有限公司 | Ship siding through hole and its open up method and boat segmental building technology |
| CN111268052A (en) * | 2020-02-28 | 2020-06-12 | 广船国际有限公司 | Ship section bar penetration structure |
| CN113135260A (en) * | 2021-05-31 | 2021-07-20 | 广船国际有限公司 | Bracket and ship |
| CN113428315A (en) * | 2021-07-01 | 2021-09-24 | 浙江国际海运职业技术学院 | Positioning and welding method for ship stern pushing equipment |
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| Publication number | Publication date |
|---|---|
| CN113844613B (en) | 2024-03-26 |
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