CN113844613B - Hull gusset structure connected node - Google Patents
Hull gusset structure connected node Download PDFInfo
- Publication number
- CN113844613B CN113844613B CN202111156391.2A CN202111156391A CN113844613B CN 113844613 B CN113844613 B CN 113844613B CN 202111156391 A CN202111156391 A CN 202111156391A CN 113844613 B CN113844613 B CN 113844613B
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- China
- Prior art keywords
- hull
- arc
- gusset
- toe end
- section
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- 230000003014 reinforcing effect Effects 0.000 abstract description 46
- 239000000463 material Substances 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003351 stiffener Substances 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 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
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
Landscapes
- 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 rib plate structure connecting node which comprises a ship structure and a reinforcing rib plate welded with the ship structure, wherein an angular hole is formed in the position of an angular point where the reinforcing rib plate is connected with the ship 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 structure, and the toe end straight line section is perpendicular to the ship structure. The central angle corresponding to the arc section of the angle hole is larger than 90 degrees, so that the area of the angle hole is increased, the arc section has more divergent stress areas, the stress is evenly distributed on more surfaces, and the stress concentration is reduced; the toe end straight line segment can increase the stress area between the bottom end of the arc segment and the hull structure, so that the shearing force can have more divergent surfaces to improve the fatigue strength, in addition, the damage to the arc segment is avoided, the stress is reduced, and the reinforcing rib plate cannot be cut by more materials to lose strength.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a ship rib plate structure connecting node.
Background
In the ship building process, reinforcing rib plate structures are generally 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 the ship body and the load performance and the storm resistance of the ship. When the reinforcing rib plates are arranged, the reinforcing rib plates are normally vertically welded and fixed on the ship body outer plate and the cabin wall plate, most corner points of the reinforcing rib plates are provided with corner holes, and the corner holes serve as water flowing holes to prevent water accumulation; secondly, the air holes are also used as ventilation holes for ventilation; and thirdly, reducing stress at the corner points.
As shown in fig. 1, the gusset structure connecting node comprises a reinforcing gusset 1 and a hull structure 2, wherein corner points at the joint of the reinforcing gusset 1 and the hull structure 2 are provided with corner holes 3, the corner holes are mainly sector holes, and the sector holes are quarter arcs.
When the existing hull structure is built, stress is concentrated at the corner point of the connecting sharp angle of the reinforcing rib plate and the hull structure, the arc-shaped corner holes can be used for well dispersing the stress by using the curved surfaces of the arc-shaped corner holes after the corner holes are formed, the fatigue strength of the corner points is improved, and the service life of the component is prolonged. However, when the reinforcing rib plate is welded with the ship body structure, the stress divergence area of the bottom end of the arc is smaller, a stress concentration point is arranged between the bottom end of the quarter arc of the angle hole and the ship body structure, meanwhile, the welding seam has a certain height, the welding seam can fill part of the fan-shaped hole, the welding stress is at the bottom end of the quarter arc, and the stress concentration of the bottom end of the arc is further caused.
Disclosure of Invention
The purpose of the invention is that: the connecting node of the ship body rib plate structure is provided to solve the problem of stress concentration at the bottom end of an arc of a corner hole of a reinforcing rib plate in the prior art.
In order to achieve the above purpose, the invention provides a connecting node of a ship body rib plate structure, which 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 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.
Preferably, the height of the toe end straight line segment is 15-25mm.
Preferably, the height of the toe end straight line segment is 15mm.
Preferably, the central angle corresponding to the arc-shaped section is 180 degrees.
Preferably, the corner hole further comprises a top straight line segment connected with one end of the arc segment away from the toe end straight line segment.
Preferably, the top straight line segment is perpendicular to the toe end straight line segment.
Preferably, an enlarged vertical plate or a toggle plate is further arranged on one side, facing away from the corner hole, of the reinforcing rib plate, and one side, facing away from the reinforcing rib plate, of the enlarged vertical plate is an arc-shaped side.
Preferably, the enlarged vertical plate and the reinforcing rib plate are integrally formed.
Preferably, corner holes are further formed in the corner points where the toggle plates are connected with the reinforcing rib plates.
Preferably, the reinforcing rib plate is further provided with a rib, the rib is perpendicular to the hull structure, and a space is formed between the rib and the corner hole.
Compared with the prior art, the connecting node for the hull rib plate structure has the beneficial effects that: the central angle corresponding to the arc section of the angle hole is larger than 90 degrees, the area of the arc section is increased, so that the area of the angle hole is increased, the water flow and ventilation quantity are increased, and meanwhile, the arc 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 toe end straightway between the bottom of arc section and hull structure, toe end straightway can increase the area of force bearing between the bottom of arc section and the hull structure, thereby make the shearing force have more divergent surfaces improve fatigue strength, reduce stress, in addition increase the interval between arc section and the hull structure, supply the leg that has the height to carry out the cornerite, avoid causing the damage to the arc section, reduce stress, also make deep floor can not cut more materials and lose intensity.
Drawings
FIG. 1 is a schematic view of a prior art hull structure and stiffener connection node;
FIG. 2 is a schematic structural view of a gusset structural connection node of the hull of the present invention;
FIG. 3 is a schematic view of a structure in which an enlarged riser is arranged at one end of a reinforcing rib of a connecting node of a hull rib structure;
FIG. 4 is a schematic diagram of a structure in which an enlarged riser is arranged at one end of a reinforcing rib plate of a connecting node of a ship body rib plate structure and a toggle plate is arranged at the other end of the reinforcing rib plate;
FIG. 5 is a schematic view of the structure of the enlarged riser at both ends of the reinforcing rib plate of the connecting node of the hull rib plate structure of the invention;
FIG. 6 is a schematic view of the structure of the present invention in which a ribbed reinforcing plate is disposed at a gusset structure connection node of the hull;
fig. 7 is a schematic structural view of the reinforcing rib plate of the connecting node of the hull rib plate structure of the present invention when the reinforcing rib plate is a toggle plate.
In the figure, 1, reinforcing rib plates; 2. a hull structure; 3. an angular aperture; 31. an arc section; 32. a toe end straight line segment; 33. a top straight line segment; 4. the vertical plate is enlarged; 5. a toggle plate; 6. a belt rib; 7. and (5) welding pins.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
The preferred embodiment of the connecting node of the hull rib plate structure of the invention, as shown in fig. 2 and 7, comprises a hull structure 2 and a reinforcing rib plate 1, wherein the hull structure 2 and the reinforcing rib plate 1 are vertically welded, the hull 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 plate 1 can be a T-shaped material, flat bulb steel, a rib plate, a toggle plate and the like.
Corner positions where the reinforcing rib plates 1 are connected with the ship body structure 2 are provided with corner holes 3, the corner holes 3 can serve as water flowing holes and air holes, the effects of water accumulation and ventilation are achieved, meanwhile, stress at corner points of the corner angles is concentrated, fatigue strength of the corner points can be improved after the corner holes 3 are formed, and stress at the corner points is reduced.
The angle 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 hull structure 2, and the toe end straight line section 32 is perpendicular to the hull 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 ventilation quantity are increased, and meanwhile, the arc-shaped section 31 is enabled to have more divergent stressed areas, the stress is evenly distributed on more surfaces, the stress concentration is reduced, and therefore the fatigue strength is improved.
In addition, the toe end straight line segment 32 can increase the stress area between the bottom end of the arc segment 31 and the hull structure 2, so that the shearing force can have more divergent surfaces to improve fatigue strength and reduce stress, and in addition, the interval between the arc segment 31 and the hull structure 2 is increased to provide a wrap angle for the welding leg 7 with a height, thereby avoiding damage to the arc segment 31 and reducing stress.
Preferably, the toe end straight section 32 has a height of 15-25mm. The smaller the height of the toe end straight line section 32 is, the smaller the cutting of the reinforcing rib plate 1 is, and the reinforcing rib plate 1 cannot lose strength; meanwhile, the requirements of the wrap angle height of the welding leg 7 are met.
In other embodiments, the height of the toe end straight section 32 may be 15, 20, 25mm, depending on the size of the stiffener plate 1.
Preferably, the toe end straight section 32 has a height of 15mm.
Typically, the height of the fillets 7 does not exceed 15mm, and the toe straight section 32 of 15mm meets most of the fillet requirements of the fillets 7. The height of the toe straight section 32 may also be 16, 18, 20, 22, 25mm as the height of the toe 7 increases.
Preferably, the arcuate 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 fatigue strength and simultaneously facilitating angle setting.
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 be 120 degrees, 150 degrees, 200 degrees, etc., and the arc-shaped section 31 may be other irregular but smooth curve arcs.
Preferably, the angular aperture 3 further comprises a top straight section 33, the top straight section 33 being connected to an end of the arcuate section 31 remote from the toe end straight section 32.
The straight line section 33 at the top can increase the distance of the opening, so that the area of the corner hole 3 is increased, the running water and ventilation are facilitated, and meanwhile, the welding surface of the reinforcing rib plate 1 and the straight line section 32 at the toe end are separated from each other by a certain distance, so that the upper part and the lower part of the welding surface are prevented from being overlapped, the smooth welding is ensured, and the height of the welding leg is ensured.
Preferably, the top straight section 33 is perpendicular to the toe end straight section 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 hull structure 2 and perpendicular to the side edge of the reinforcing rib plate 1, the welding space is increased, and the quality of welding legs is ensured. In other embodiments, the top straight line segment 33 may also be arranged obliquely, while guaranteeing the welding space and welding quality.
As shown in fig. 3 to 5, preferably, the side of the reinforcing plate 1 facing away from the corner hole 3 is further provided with an enlarged vertical plate 4 or a toggle plate 5, and the side of the enlarged vertical plate facing away from the reinforcing 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 or at two ends of the reinforcing rib plate 1. The structural strength of the reinforcing rib plate 1 can be increased by enlarging the vertical plates 4 and the toggle plates 5, and meanwhile, the stress dispersing area between the reinforcing rib plate 1 and the hull structure 2 is increased, so that the fatigue strength is reduced. In other embodiments, the enlargement of the riser 4 or the elimination of the toggle plate 5 can also be reduced, saving material and reducing the weight of the vessel.
Preferably, the enlarged riser 4 is integrally formed with the reinforcing web 1.
The integrally formed enlarged vertical plate 4 can increase the connection strength between the two plates, so that the stress is convenient to spread.
Preferably, the corner points where the toggle plate 5 is connected with the reinforcing rib plate 1 are also provided with corner holes 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 can be adopted in the application, or the corner holes in the prior art can be adopted in the application.
As shown in fig. 6, preferably, the reinforcing rib plate 1 is further provided with a rib 6, the rib 6 is perpendicular to the hull structure 2, and a space is formed between the rib 6 and the corner hole 3. The reinforcing rib plate 1 can be increased in structural strength by the ribs 6, and fatigue strength is improved.
In summary, the embodiment of the invention provides a connecting node of a ship body rib plate structure, wherein the central angle corresponding to the arc section of an angular hole is larger than 90 degrees, the area of the arc section is increased, so that the area of the angular hole is increased, the water flow and ventilation quantity are increased, and meanwhile, the arc 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 toe end straightway between the bottom of arc section and hull structure, toe end straightway can increase the area of force bearing between the bottom of arc section and the hull structure, thereby make the shearing force have more divergent surfaces improve fatigue strength, reduce stress, in addition increase the interval between arc section and the hull structure, supply the leg that has the height to carry out the cornerite, avoid causing the damage to the arc section, reduce stress, also make deep floor can not cut more materials and lose intensity.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. The utility model provides a hull gusset structure connected node, includes hull structure and with hull structure welded connection's deep floor, deep floor with the angular point position department that hull structure connects has seted up the angular hole, its characterized in that, the angular hole include the arc section and with the toe end straightway that the arc section is connected, the central angle that the arc section corresponds is greater than 90 degrees, toe end straightway is connected the bottom of arc section with between the hull structure, toe end straightway with hull structure is perpendicular, the central angle that the arc section corresponds is 180 degrees, the angular hole still includes top straightway, the top straightway with the arc section is kept away from toe end straightway's one end is connected, top straightway is connected with deep floor's welded surface, and deep floor's welded surface has a distance and staggers each other with toe end straightway.
2. The hull gusset structure connection node of claim 1, wherein the toe end straight section has a height of 15-25mm.
3. The hull gusset structure connection node of claim 2, wherein the toe end straight section has a height of 15mm.
4. The hull gusset structure connection node of claim 1, wherein the top straight section is perpendicular to the toe end straight section.
5. The hull gusset structure connection node according to any of claims 1-4, wherein an enlarged riser or toggle plate is further arranged on a side of the gusset facing away from the gusset hole, and a side of the enlarged riser facing away from the gusset plate is an arcuate side.
6. The hull gusset structure connection node of claim 5, wherein the enlarged riser is integrally formed with the gusset.
7. The gusset structure connection node of a hull according to claim 5, wherein corner points of the gusset plate connected to the gusset plate are further provided with corner holes.
8. The hull gusset structure connection node according to any of claims 1-4, wherein a tie bar is further disposed on the gusset, the tie bar being perpendicular to the hull structure, the tie bar being spaced from 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 CN113844613A (en) | 2021-12-28 |
| CN113844613B true 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 |
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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 |
|---|---|
| CN113844613A (en) | 2021-12-28 |
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