CN210503062U

CN210503062U - Double-layer bottom hull structure

Info

Publication number: CN210503062U
Application number: CN202020460920.2U
Authority: CN
Inventors: 王瑶
Original assignee: Tianjin Desai Offshore Engineering Platform Equipment Co Ltd
Current assignee: Tianjin Desai Offshore Engineering Platform Equipment Co Ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-05-12
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a two-layer bottom hull structure, indulge purlin, hull bottom longitudinal rib, cabin inner board, floor, bracket, arc and prevent the bracket that inclines including outer bottom plate, infrabasal plate, interior hawk, end longitudinal rib, middle bottom purlin and other infrabasal purlin, middle bottom purlin, other infrabasal purlin all set up along boats and ships length direction, the infrabasal plate is formed by the concatenation of a plurality of plate check one and a plurality of plate check two, interior hawk is formed by a plurality of plate check three-piecings, the outer bottom plate up end is equipped with hull bottom longitudinal rib, plate check one plate check two both sides are glass steel sheet about the plate check three, middle packing foam blanket, plate check one plate check two the plate check three middle is thicker, and both ends pass through to thin gradually. The beneficial effects of the utility model are that, alleviate hull weight, practice thrift the cost.

Description

Double-layer bottom hull structure

Technical Field

The utility model relates to a boats and ships spare part field, especially a two-layer bottom hull structure.

Background

The ship bottom can be divided into a single-layer bottom and a double-layer bottom, and can be divided into a transverse framework type and a longitudinal framework type according to the framework type. The single-layer bottom structure only has one layer of bottom plate, the structure is simple, the construction is convenient, but the sinking resistance is poor, and the single-layer bottom structure is mostly used for small naval vessels. The double-layer bottom is provided with a bottom plate and an inner bottom plate, and when the bottom of the ship is damaged under accidental conditions of reef touch, grounding and the like, the safety of the ship can be ensured.

The bottom of the ship is positioned at the lowest part of the ship body and is an important grillage structure for ensuring the total longitudinal strength and the local strength of the ship body. The forces acting on the bottom of the ship are mainly: the total longitudinal bending tension and compression stress, the water pressure at the bottom of the ship, the pressure of water in a liquid tank, goods, machine equipment, gravity, the counterforce of a keel pier during docking of the ship and other local transverse loads; when a ship is stranded or sails on a shallow water channel, the bottom of the ship may be accidentally loaded such as by rubbing against the river bed. The existing ship bottom structure has the problems of complex structure, overweight structure and high cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems, a double-layer bottom hull structure is designed.

The technical proposal of the utility model is that the double-layer bottom hull structure comprises an outer bottom plate, an inner side plate, a bottom longitudinal girder, a ship bottom longitudinal frame, a cabin inner side, a rib plate, a toggle plate and an arc-shaped anti-tilting toggle plate, the bottom longitudinal girders comprise middle bottom girders and side bottom girders, the middle bottom girders are composed of a first steel plate and a second steel plate, the first steel plate and the second steel plate are welded into a T shape, the middle bottom truss is arranged between the inner bottom plate and the outer bottom plate and arranged along the length direction of the ship, the second steel plate is vertical to the outer bottom plate, the side bottom truss is composed of a third steel plate and a fourth steel plate, the third steel plate and the fourth steel plate are welded into a T shape, the side bottom girders are arranged between the inner bottom plate and the outer bottom plate and arranged along the length direction of the ship, the side bottom girders are arranged on two sides of the middle bottom girder, and the fourth steel plate is perpendicular to the outer bottom plate.

Further, the interior bottom plate is formed by the concatenation of a plurality of board check one and a plurality of board check two, the interior topside board is formed by the concatenation of a plurality of board check three, board check one board check two board check three middle relatively thick, both ends transition to thin gradually, outer bottom plate up end is equipped with the hull bottom longitudinal bone.

Further, the inner side plate is connected with the inner side of the cabin.

Further, the ribbed slab is arranged between the inner bottom plate and the outer bottom plate, and the ribbed slab is arranged along the width direction of the ship body.

Furthermore, the outer bottom plate is made of an aluminum plate, the upper side and the lower side of the first plate grid, the upper side and the lower side of the second plate grid and the upper side and the lower side of the third plate grid are made of glass fiber reinforced plastic plates, and foam layers are filled in the middle of the glass fiber reinforced plastic plates.

Further, the toggle plate is connected with the outer bottom plate and the inner side of the cabin.

Furthermore, the splicing mode of a plurality of plate grids I and a plurality of plate grids II of the inner bottom plate is glued, and the splicing mode of a plurality of plate grids III of the inner side plate is glued.

Furthermore, the ship bottom longitudinal bones are uniformly distributed on the outer bottom plate, and the inner bottom plate is not provided with the longitudinal bones.

Further, the rib plate is any one of a main rib plate and a watertight rib plate.

Utilize the utility model discloses a two-layer bottom hull structure of technical scheme preparation, the beneficial effect who reaches: the inner bottom plate is arranged to resist total longitudinal bending and transverse load, so that the sinking resistance of the ship is improved; the outer bottom plate is supported by the dense longitudinal ribs, so that the rigidity and the stability of the ship are improved, and the longitudinal strength of the bottom is improved; the inner bottom plate is formed by combining a glass steel plate and a filling foam layer, so that the weight of the ship is reduced, and the cost is reduced; the middle of the first plate grid, the middle of the second plate grid and the middle of the third plate grid are thicker, and the two ends of the first plate grid and the third plate grid are gradually transited to be thinner, so that the connection is convenient, and the weight of the ship body is reduced.

Drawings

Fig. 1 is a plan view of a double bottom hull construction according to the invention;

fig. 2 is a schematic view of the longitudinal installation of a double bottom hull construction according to the invention;

fig. 3 is a schematic view of the transverse installation of a double bottom hull construction according to the invention;

figure 4 is an enlarged partial view of figure 2 of a double bottom hull construction according to the invention;

fig. 5 is a schematic cross-sectional view of a bottom girder of a double-bottom hull structure according to the present invention;

fig. 6 is a schematic cross-sectional view of a side girder of a double-bottom hull structure according to the present invention;

in the figure, 1, an outer bottom plate; 2. an inner bottom plate; 3. a bottom stringer; 31. a middle bottom truss; 311. a first steel plate; 312. a second steel plate; 32. a side bottom girder; 321. a third steel plate; 322. a fourth steel plate; 4. a bottom longitudinal frame; 5. a first plate grid; 6. a second plate grid; 7. an inner deck; 8. the inboard of the cabin; 9. a rib plate; 10. a toggle plate; 11. an arc-shaped elbow-tilting prevention plate; 12. and (5) a board grid III.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 6, a double-layer bottom hull structure comprises an outer bottom plate 1, an inner bottom plate 2, an inner side plate 7, a bottom stringer 3, a bottom longitudinal frame 4, an inboard 8, a rib plate 9, a toggle plate 10 and an arc-shaped anti-tilt toggle plate 11; the bottom longitudinal girders 3 comprise middle bottom girders 31 and side bottom girders 32, the middle bottom girders 31 are composed of first steel plates 311 and second steel plates 312, the first steel plates 311 and the second steel plates 312 are welded into a T shape, the middle bottom girders 31 are arranged between the inner bottom plate 2 and the outer bottom plate 1 and arranged along the length direction of the ship, the second steel plates 312 are perpendicular to the outer bottom plate 1, the side bottom girders 32 are composed of third steel plates 321 and fourth steel plates 322, the third steel plates 321 and the fourth steel plates 322 are welded into a T shape, the side bottom girders 32 are arranged between the inner bottom plate 2 and the outer bottom plate 1 and arranged along the length direction of the ship, the side bottom girders 32 are arranged at two sides of the middle bottom girders 31, and the fourth steel plates 322 are perpendicular to the outer bottom plate 1; the upper end surface of the outer bottom plate 1 is provided with a ship bottom longitudinal frame 4. The height of the middle bottom truss 31 is the same as the distance between the outer bottom plate 1 and the inner bottom plate 2, the middle bottom truss 31 is arranged on a midline surface and bears the total longitudinal bending tension and compression stress, local transverse loads such as goods, machine equipment and gravity, counterforce of keel piers during docking of ships and accidental loads such as friction between the ship bottom and a river bed. The side bottom girders 32 are uniformly arranged on both sides of the middle bottom girder 31 to prevent the rib plates 9 from tilting and wrinkling.

The inner side plate 7 is connected with the cabin inner side 8.

The ribbed plate 9 is arranged between the inner bottom plate 2 and the outer bottom plate 1, and the ribbed plate 9 is arranged along the width direction of the ship body. A plurality of rib plates 9 are arranged to bear the transverse strength and transfer the bottom load to the side.

The outer bottom plate 1 is made of aluminum plates, the upper sides and the lower sides of the first plate grids 5, the second plate grids 6 and the third plate grids 12 are made of glass fiber reinforced plastic plates, and foam layers are filled in the middle of the glass fiber reinforced plastic plates. The weight of the ship body is reduced. Taking a plate grid with the specification length multiplied by the width of 1125mmx600mm as an example, the weight of the plate grid of the same size, the combination of the glass fiber reinforced plastic plate and the foam layer is 3kg, and the weight of the plate grid of the same size, the aluminum plate bottom plate of 2.5mm and the reinforcing ribs of 40mmx20mmx2mm is 5.3 kg.

The upper side and the lower side of the first plate grid 5, the second plate grid 6 and the third plate grid 12 are glass fiber reinforced plastic plates, and foam layers are filled in the middle. The board check 5 the board check two 6 the board check three 12 middle ratio is thicker, and both ends transition gradually to thin, are convenient for connect, and different specifications are chooseed for use with board check two 6 to board check 5, and the arbitrary combination can be arranged the bottom plate in the hull bottom of different models.

The toggle plate 10 connects the outer bottom plate 1 and the cabin inner side 8. The bracket 10 supports the ship body, and arc-shaped anti-tilting brackets 11 are arranged on two sides of the bottom longitudinal girder 3 to reinforce the ship body.

The splicing mode of a plurality of plate grids 5 and a plurality of plate grids 6 of the inner bottom plate 2 is glued, and the splicing mode of a plurality of plate grids 12 of the inner side plate 7 is glued. The board check 5 board check two 6 board check three 12 is than thicker in the middle of in thickness, and both ends transition to thin gradually, owing to at the splice in-process, if the product thickness of treating the concatenation is too big then can influence the concatenation effect, phenomenons such as fracture appear easily, for avoiding this kind of phenomenons to appear, board check 5, board check two 6, board check three 12 intermediate position are than thicker, and both ends are thinner, when guaranteeing the concatenation effect, have also alleviateed hull weight.

The ship bottom longitudinal ribs 4 are uniformly distributed on the outer bottom plate 1, and the inner bottom plate 2 is not provided with longitudinal ribs. The hull longitudinals 4 support the outer bottom plate 1 and ensure the longitudinal strength of the hull.

The rib plate 9 is any one of a main rib plate and a watertight rib plate.

In fig. 1, the pattern filling of the first panel 5 and the second panel 6 is only used to distinguish two specifications, and is not limited in shape.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred scheme, some changes have probably been made to some parts wherein to the technical field personnel all embody the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A double-layer bottom hull structure is characterized by comprising an outer bottom plate (1), an inner bottom plate (2), an inner side plate (7), a bottom longitudinal girder (3), a ship bottom longitudinal frame (4), a cabin inner side (8), a rib plate (9), a toggle plate (10) and an arc-shaped anti-tilting toggle plate (11);

the bottom longitudinal girder (3) comprises a middle bottom girder (31) and a side bottom girder (32), the middle bottom girder (31) is composed of a first steel plate (311) and a second steel plate (312), the first steel plate (311) and the second steel plate (312) are welded into a T shape, the middle bottom truss (31) is arranged between the inner bottom plate (2) and the outer bottom plate (1) and arranged along the length direction of the ship, the second steel plate (312) is vertical to the outer bottom plate (1), the side bottom truss (32) is composed of a third steel plate (321) and a fourth steel plate (322), the third steel plate (321) and the fourth steel plate (322) are welded into a T shape, the side bottom girders (32) are arranged between the inner bottom plate (2) and the outer bottom plate (1) and arranged along the length direction of the ship, the side bottom girders (32) are arranged at two sides of the middle bottom girder (31), and the fourth steel plate (322) is vertical to the outer bottom plate (1);

the inner bottom plate (2) is formed by splicing a plurality of first plate grids (5) and a plurality of second plate grids (6), the inner side plate (7) is formed by splicing a plurality of third plate grids (12), the middle parts of the first plate grids (5), the second plate grids (6) and the third plate grids (12) are thicker, and the two ends of the first plate grids, the second plate grids and the third plate grids are gradually transited to be thinner;

the upper end surface of the outer bottom plate (1) is provided with a ship bottom longitudinal frame (4).

2. A double bottom hull construction according to claim 1, characterised in that said inboard panels (7) are connected to said cabin inboard (8).

3. A double-bottom hull construction according to claim 1, characterised in that said ribs (9) are arranged between said inner bottom plate (2) and said outer bottom plate (1), said ribs (9) being arranged in the width direction of the hull.

4. A double-bottom hull construction according to claim 1, characterised in that the outer bottom plate (1) is an aluminium plate, the first (5), the second (6) and the third (12) plate are of fibreglass steel plates on both sides, and the middle is filled with a foam layer.

5. A double bottom hull construction according to claim 1, characterised in that said brackets (10) connect said outer bottom plate (1) with said inboard side (8) of the hold.

6. A double-bottom hull construction according to claim 1, characterised in that the joining of the inner bottom plate (2) panels (5) to the inner bottom plate (6) is by gluing and the joining of the inner side plate (7) panels (12) is by gluing.

7. A double bottom hull construction according to claim 1, characterised in that the bottom longitudinals (4) are evenly distributed over the outer bottom plate (1) and no longitudinals are provided on the inner bottom plate (2).

8. A double-bottom hull construction according to claim 1, characterised in that said ribs (9) are any one of a main rib and a watertight rib.