Transverse connection structure and method for metal sandwich strong deck and topsides strake
Technical Field
The invention belongs to the field of ship design, and particularly relates to a transverse connection structure and a transverse connection method of a metal sandwich strong deck and a topsides column plate.
Background
The metal sandwich board consists of upper and lower panels and a core board, and has the characteristics of light weight, high rigidity, high bearing capacity and the like compared with the conventional plate bar structure. The application of metal sandwich structures on ship decks, broadsides and other structures is an important direction for ship structural design. The application of metal sandwich structures on ship decks, broadsides and other structures is an important direction for ship structural design. When the metal sandwich strong deck structure and the metal sandwich topsides board of the ship are both metal sandwich boards, a connecting structure between the metal sandwich boards needs to be designed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a transverse connection structure and a transverse connection method of a metal sandwich strong deck and a topboard, which solve the design problem of the transverse connection structure between the metal sandwich strong deck and the metal sandwich topboard of a ship.
The invention aims at realizing the technical scheme that the transverse connection structure of the metal sandwich strong deck and the topsides board comprises a first connection module and a second connection module.
One end of the first connecting module is obliquely connected with one end of the second connecting module.
The other end of the first connecting module is connected with the metal sandwich strength deck.
The other end of the second connecting module is connected with the metal sandwich gangway strake.
Preferably, the first connection module comprises a first connection straight plate and a first opening structure; the first connecting straight plate is of a main body structure of the first connecting module, one end of the first connecting straight plate is obliquely connected with the end part of the second connecting module, and the first opening structure is arranged at the other end of the first connecting straight plate.
Preferably, the second connecting module comprises a second connecting straight plate and a second opening structure; the second connecting straight plate is of a main body structure of the second connecting module, one end of the second connecting straight plate is obliquely connected with the end part of the first connecting straight plate, and the second opening structure is arranged at the other end of the second connecting straight plate.
Preferably, the first opening structure is an inclined L-shaped structure, the inclined long side of the first opening structure is connected with the first connecting straight plate, and the short side of the first opening structure is parallel to the first connecting straight plate; the second opening structure is an inclined L-shaped structure, the inclined long side of the second opening structure is connected with the second connecting straight plate, and the short side of the second opening structure is parallel to the second connecting straight plate.
Preferably, the inclined long-side panel of the first opening structure and the first connecting veneer are the same steel plate, the short-side panel is an angle plate, and the thickness is 3mm-7mm; the inclined long-side panel of the second opening structure and the second connecting veneer are the same steel plate, the short-side panel is an angle plate, and the thickness is 3mm-7mm.
Preferably, the heights of the first opening structure short side panel to the first connecting veneer and the second opening structure short side panel to the second connecting veneer are 60mm-150mm; the lengths of the first connecting veneer and the second connecting veneer are 300mm-500mm.
Preferably, the angle between the inclined long side panel of the first opening structure and the first connecting veneer is 60 degrees, and the angle between the inclined long side panel of the second opening structure and the second connecting veneer is 60 degrees.
Preferably, the distance from the connection point of the first connection single board and the second connection single board to the top end of the second connection single board is greater than 100mm.
The invention provides a transverse connection structure of a metal sandwich strong deck and a topboard, and further provides a connection method of the connection structure, which comprises the following specific steps:
step 1: manufacturing a first connection module and a second connection module according to structures of a metal sandwich strong deck and a metal sandwich topsides board to be connected;
step 2: connecting the first connecting single plate with the first opening structure, the second connecting single plate with the second opening structure and the first connecting single plate with the second connecting single plate in a welding mode;
step 3: connecting the first connecting module with a metal sandwich structure corresponding to the metal sandwich strong deck, specifically, respectively welding the end part of the first connecting single plate and the end part of the short side panel of the first opening structure on the upper and lower panels corresponding to the metal sandwich strong deck; and connecting the second connecting module with a metal sandwich structure corresponding to the metal sandwich gangway strake, and specifically, respectively welding the end part of the second connecting single plate and the end part of the short side panel of the second opening structure on an upper panel and a lower panel corresponding to the metal sandwich gangway strake.
Preferably, the welding mode adopted by the connection of the parts of the transverse connection structure comprises laser welding, submerged arc welding and gas shielded welding.
Compared with the prior art, the invention has the following advantages:
the invention provides a transverse connection structure and a transverse connection method of a metal sandwich strong deck and a topboard. Two special-shaped structures with similar configuration are controlled by the shape and the size of the section width, the height, the thickness and the like, one side of the section is in an opening shape and can be connected with an upper panel and a lower panel of a metal sandwich strong deck or a metal sandwich gangway strake, and the other side is a single plate for connecting the two special-shaped structures to form a transverse connection structure together. The invention is suitable for connecting the metal sandwich strong deck of the ship and the metal sandwich topsides strake transversely, has simple and practical structure, is convenient for welding and has better manufacturability.
Drawings
FIG. 1 is a schematic view of a transverse connection structure between a metal sandwich strength deck and a topside strake in an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a transverse connection structure and a metal sandwich structure in an embodiment of the invention.
In the figure, 1 is a first connection board; 2 is a first opening structure; 3 is a second connecting veneer; 4 is a second opening structure; 5 is a metal sandwich strength deck; and 6 is a metal sandwich gangway roof board.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
The technical scheme of the invention provides a transverse connection structure of a metal sandwich strong deck and a topsides board, which comprises a first connection module and a second connection module.
One end of the first connecting module is obliquely connected with one end of the second connecting module.
The other end of the first connecting module is connected with a metal sandwich strength deck 5.
The other end of the second connecting module is connected with the metal sandwich gangway strake 6.
As shown in fig. 1, in one embodiment of the present invention, the first connection module includes a first connection straight plate 1 and a first opening structure 2; wherein, first connection straight board 1 is the major structure of first connection module, and first connection straight board 1 one end is connected with the slope of second connection module tip, and first opening structure 2 sets up the other end at first connection straight board 1. The second connecting module comprises a second connecting straight plate 3 and a second opening structure 4; the second connecting straight plate 3 is a main body structure of the second connecting module, one end of the second connecting straight plate 4 is obliquely connected with the end part of the first connecting straight plate 1, and the second opening structure 4 is arranged at the other end of the second connecting straight plate 3. In this embodiment, the first opening structure 2 is an inclined "L" structure, and its inclined long side is connected to the first connecting straight plate 1, and its short side is parallel to the first connecting straight plate 1; the second opening structure 4 is an inclined L-shaped structure, the inclined long side of the second opening structure is connected with the second connecting straight plate 3, and the short side of the second opening structure is parallel to the second connecting straight plate 3. The structure sizes of all parts of the transverse connection structure are correspondingly arranged with the sizes of the metal sandwich strong deck and the metal sandwich gangway strake.
In some embodiments of the present invention, the inclined long side panel of the first opening structure 2 and the first connecting single plate 1 are the same steel plate, and the short side panel is a folded angle plate with a thickness T 1 3mm-7mm; the second opening structure 4 is characterized in that the inclined long-side panel and the second connecting veneer 3 are the same steel plate, the short-side panel is a bevel plate, and the thickness T is as follows 2 3mm-7mm. Height H of the short side panel of the first opening structure 2 to the first connection veneer 1 and the short side panel of the second opening structure 4 to the second connection veneer 3 1 And H 2 60mm-150mm; length B of first connection board 1 and second connection board 3 1 And B 3 300mm-500mm. The inclined long side panel of the first opening structure 2 and the first connecting veneer 1 form an included angle of 60 degrees, and the second opening structure 4 is inclinedThe angle between the long side panel and the second connecting veneer 3 is 60 degrees. The short side end of the first opening structure 2 is flush with the end of the first connecting veneer 1, and the short side end of the second opening structure 4 is flush with the end of the second connecting veneer 3.
As a further optimization of the above embodiment, as shown in fig. 1, the distance from the connection point a of the first connection board 1 and the second connection board 3 to the top end of the second connection board 3 is greater than 100mm.
As shown in fig. 2, the present invention further provides a connection method of the above connection structure, in addition to providing a transverse connection structure of a metal sandwich strength deck and a topsides board, which comprises the following specific steps:
step 1: manufacturing a first connection module and a second connection module according to the structures of the metal sandwich strong deck 5 and the metal sandwich topsides column plate 6 to be connected;
step 2: the first connecting single board 1 is connected with the first opening structure 2, the second connecting single board 3 is connected with the second opening structure 4 and the first connecting single board 1 and the second connecting single board 3 in a welding mode;
step 3: connecting the first connecting module with a metal sandwich structure corresponding to the metal sandwich strong deck 5, specifically, respectively welding the end part of the first connecting single plate 1 and the end part of the short side panel of the first opening structure 2 on an upper panel and a lower panel corresponding to the metal sandwich strong deck 5; and the second connecting module is connected with a metal sandwich structure corresponding to the metal sandwich gangway strake 6, and specifically, the end part of the second connecting single plate 3 and the end part of the short side panel of the second opening structure 4 are respectively welded on an upper panel and a lower panel corresponding to the metal sandwich gangway strake 6. In this embodiment, the welding mode adopted for connecting the parts of the transverse connection structure includes laser welding, submerged arc welding and gas shielded welding.
The foregoing is a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention and are intended to be comprehended within the scope of the present invention.